diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml index fba21f0da..2575fb44f 100644 --- a/.github/workflows/build.yml +++ b/.github/workflows/build.yml @@ -16,128 +16,133 @@ env: CI_COMMIT: ${{ github.sha }} CCACHE_COMPRESS: 1 CCACHE_DIR: ${{ github.workspace }}/.ccache + CCACHE_LIMIT_MULTIPLE: 0.95 + +defaults: + run: + shell: bash + working-directory: repo jobs: - - Matrix: - runs-on: ubuntu-latest - name: Generate Build matrix - outputs: - matrix: ${{ steps.generate.outputs.matrix }} - steps: - - uses: actions/checkout@v2 - - id: generate - name: Run 'generate_matrix.sh' - run: | - if [ '${{ github.event_name }}' = 'pull_request' ]; then - matrix='[ "ubuntu-20.04" ]' - else - matrix='[ "ubuntu-16.04", "ubuntu-18.04", "ubuntu-20.04" ]' - fi - echo "::set-output name=matrix::$matrix" - - - Build: - needs: Matrix + build: strategy: fail-fast: false matrix: - os: ${{ fromJson(needs.Matrix.outputs.matrix) }} - debug: [ opt, dbg ] + os: [ubuntu-20.04, ubuntu-18.04, ubuntu-16.04] compiler: - { cc: clang, cxx: clang++ } - { cc: gcc, cxx: g++ } + m32: [0, 1] + exclude: + # Build pull requests only with ubuntu-20.04 and without m32 + - os: ${{ github.event_name == 'pull_request' && 'ubuntu-18.04' || 'do-not-exclude' }} + - os: ${{ github.event_name == 'pull_request' && 'ubuntu-16.04' || 'do-not-exclude' }} + - m32: ${{ github.event_name == 'pull_request' && 1 || 'do-not-exclude' }} + # Build -m32 only on ubuntu-20.04 + - {os: ubuntu-18.04, m32: 1} + - {os: ubuntu-16.04, m32: 1} runs-on: ${{ matrix.os }} - name: Build | ${{ matrix.os }} | ${{ matrix.compiler.cc }} | ${{ matrix.debug }} + name: Build | ${{ matrix.os }} | ${{ matrix.compiler.cc }} ${{ matrix.m32 && '| -m32' || '' }} env: CI_BUILD_STAGE_NAME: build CI_RUNS_ON: ${{ matrix.os }} - CI_MAKE_SRC_TARGET: ${{ matrix.debug }} + CI_M32: ${{ matrix.m32 }} CC: ${{ matrix.compiler.cc }} CXX: ${{ matrix.compiler.cxx }} - CACHE_KEY: build-${{ matrix.os }}-${{ matrix.compiler.cc }}-${{ matrix.debug }} - CCACHE_MAXSIZE: 256Mi # Per build matrix entry + CACHE_BASE_KEY: build-${{ matrix.os }}-${{ matrix.compiler.cc }}-m32=${{ matrix.m32 }} + CCACHE_MAXSIZE: 250M # Per build matrix entry (2000M in total) + VERILATOR_ARCHIVE: verilator-${{ github.sha }}-${{ matrix.os }}-${{ matrix.compiler.cc }}${{ matrix.m32 && '-m32' || '' }}.tar.gz steps: - name: Checkout uses: actions/checkout@v2 + with: + path: repo - - name: Cache + - name: Cache $CCACHE_DIR uses: actions/cache@v2 env: - cache-name: ccache + CACHE_KEY: ${{ env.CACHE_BASE_KEY }}-ccache with: - path: ${{ github.workspace }}/.ccache - key: ${{ env.CACHE_KEY }}-${{ env.cache-name }}-${{ github.sha }} - restore-keys: ${{ env.CACHE_KEY }}-${{ env.cache-name }} + path: ${{ env.CCACHE_DIR }} + key: ${{ env.CACHE_KEY }}-${{ github.sha }} + restore-keys: | + ${{ env.CACHE_KEY }}- - name: Install packages for build run: ./ci/ci-install.bash - name: Build - run: | - ccache -z - ./ci/ci-script.bash - ccache -s - tar cvzf verilator-${{ matrix.os}}-${CI_COMMIT}-${{ matrix.compiler.cc }}-${{ matrix.debug }}.tgz ./bin + run: ./ci/ci-script.bash - - uses: actions/upload-artifact@v2 + - name: Tar up repository + working-directory: ${{ github.workspace }} + run: tar --posix -c -z -f ${{ env.VERILATOR_ARCHIVE }} repo + + - name: Upload tar archive + uses: actions/upload-artifact@v2 with: - path: verilator-${{ matrix.os}}-${{ env.CI_COMMIT }}-${{ matrix.compiler.cc }}-${{ matrix.debug }}.tgz + path: ${{ github.workspace }}/${{ env.VERILATOR_ARCHIVE }} + name: ${{ env.VERILATOR_ARCHIVE }} - Test: - needs: [ Matrix, Build ] + test: + needs: build strategy: fail-fast: false matrix: - os: ${{ fromJson(needs.Matrix.outputs.matrix) }} + os: [ubuntu-20.04, ubuntu-18.04, ubuntu-16.04] compiler: - { cc: clang, cxx: clang++ } - { cc: gcc, cxx: g++ } - suite: - - dist-vlt-0 - - dist-vlt-1 - - dist-vlt-2 - - vltmt-0 - - vltmt-1 + m32: [0, 1] + suite: [dist-vlt-0, dist-vlt-1, dist-vlt-2, vltmt-0, vltmt-1] + exclude: + # Build pull requests only with ubuntu-20.04 and without m32 + - os: ${{ github.event_name == 'pull_request' && 'ubuntu-18.04' || 'do-not-exclude' }} + - os: ${{ github.event_name == 'pull_request' && 'ubuntu-16.04' || 'do-not-exclude' }} + - m32: ${{ github.event_name == 'pull_request' && 1 || 'do-not-exclude' }} + # Build -m32 only on ubuntu-20.04 + - {os: ubuntu-18.04, m32: 1} + - {os: ubuntu-16.04, m32: 1} runs-on: ${{ matrix.os }} - name: Test | ${{ matrix.os }} | ${{ matrix.compiler.cc }} | ${{ matrix.suite }} + name: Test | ${{ matrix.os }} | ${{ matrix.compiler.cc }} | ${{ matrix.suite }} ${{ matrix.m32 && '| -m32' || '' }} env: CI_BUILD_STAGE_NAME: test CI_RUNS_ON: ${{ matrix.os }} + CI_M32: ${{ matrix.m32 }} CC: ${{ matrix.compiler.cc }} CXX: ${{ matrix.compiler.cxx }} - CACHE_KEY: test-${{ matrix.os }}-${{ matrix.compiler.cc }}-${{ matrix.suite }} - CCACHE_MAXSIZE: 256Mi # Per build matrix entry + CACHE_BASE_KEY: test-${{ matrix.os }}-${{ matrix.compiler.cc }}-m32=${{ matrix.m32 }}-${ matrix.suite }} + CCACHE_MAXSIZE: 64M # Per build matrix entry (2160M in total) + VERILATOR_ARCHIVE: verilator-${{ github.sha }}-${{ matrix.os }}-${{ matrix.compiler.cc }}${{ matrix.m32 && '-m32' || '' }}.tar.gz steps: - - name: Checkout - uses: actions/checkout@v2 + - name: Download tar archive + uses: actions/download-artifact@v2 + with: + name: ${{ env.VERILATOR_ARCHIVE }} + path: ${{ github.workspace }} - - name: Cache + - name: Unpack tar archive + working-directory: ${{ github.workspace }} + run: tar -x -z -f ${{ env.VERILATOR_ARCHIVE }} + + - name: Cache $CCACHE_DIR uses: actions/cache@v2 env: - cache-name: ccache + CACHE_KEY: ${{ env.CACHE_BASE_KEY }}-ccache with: - path: ${{ github.workspace }}/.ccache - key: ${{ env.CACHE_KEY }}-${{ env.cache-name }}-${{ github.sha }} - restore-keys: ${{ env.CACHE_KEY }}-${{ env.cache-name }} + path: ${{ env.CCACHE_DIR }} + key: ${{ env.CACHE_KEY }}-${{ github.sha }} + restore-keys: | + ${{ env.CACHE_KEY }}- - - uses: actions/download-artifact@v2 - - - name: Install Verilator and test dependencies - run: | - tar xvzf artifact/verilator-${{ matrix.os}}-${CI_COMMIT}-${{ matrix.compiler.cc }}-opt.tgz - tar xvzf artifact/verilator-${{ matrix.os}}-${CI_COMMIT}-${{ matrix.compiler.cc }}-dbg.tgz - rm -rf artifact - ./ci/ci-install.bash + - name: Install test dependencies + run: ./ci/ci-install.bash - name: Test env: TESTS: ${{ matrix.suite }} - run: | - ccache -z - ./ci/ci-script.bash - ccache -s + run: ./ci/ci-script.bash diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml index 42c0d40cb..506dd98a1 100644 --- a/.github/workflows/coverage.yml +++ b/.github/workflows/coverage.yml @@ -11,9 +11,14 @@ on: env: CI_OS_NAME: linux CI_COMMIT: ${{ github.sha }} - CCACHE_COMPRESS: 1 - CCACHE_DIR: ${{ github.workspace }}/.ccache + CI_M32: 0 COVERAGE: 1 + VERILATOR_ARCHIVE: verilator-coverage-${{ github.sha }}.tar.gz + +defaults: + run: + shell: bash + working-directory: repo jobs: @@ -23,37 +28,28 @@ jobs: env: CI_BUILD_STAGE_NAME: build CI_RUNS_ON: ubuntu-20.04 - CACHE_KEY: coverage-build - CCACHE_MAXSIZE: 512Mi steps: - name: Checkout uses: actions/checkout@v2 - - - name: Cache - uses: actions/cache@v2 - env: - cache-name: ccache with: - path: ${{ github.workspace }}/.ccache - key: ${{ env.CACHE_KEY }}-${{ env.cache-name }}-${{ github.sha }} - restore-keys: ${{ env.CACHE_KEY }}-${{ env.cache-name }} + path: repo - name: Install packages for build - env: - CI_BUILD_STAGE_NAME: build run: ./ci/ci-install.bash - name: Build - run: | - ccache -z - ./ci/ci-script.bash - ccache -s - tar cvzf verilator-${CI_COMMIT}-coverage.tgz bin src/obj*/*.o src/obj*/*.gcno + run: ./ci/ci-script.bash - - uses: actions/upload-artifact@v2 + - name: Tar up repository + working-directory: ${{ github.workspace }} + run: tar --posix -c -z -f ${{ env.VERILATOR_ARCHIVE }} repo + + - name: Upload tar archive + uses: actions/upload-artifact@v2 with: - path: verilator-${{ env.CI_COMMIT }}-coverage.tgz + path: ${{ github.workspace }}/${{ env.VERILATOR_ARCHIVE }} + name: ${{ env.VERILATOR_ARCHIVE }} Test: @@ -82,34 +78,22 @@ jobs: env: CI_BUILD_STAGE_NAME: test CI_RUNS_ON: ubuntu-20.04 - CACHE_KEY: coverage-test-${{ matrix.test }}${{ matrix.num }} - CCACHE_MAXSIZE: 512Mi # Per build matrix entry steps: - - name: Checkout - uses: actions/checkout@v2 - - - name: Cache - uses: actions/cache@v2 - env: - cache-name: ccache + - name: Download tar archive + uses: actions/download-artifact@v2 with: - path: ${{ github.workspace }}/.ccache - key: ${{ env.CACHE_KEY }}-${{ env.cache-name }}-${{ github.sha }} - restore-keys: ${{ env.CACHE_KEY }}-${{ env.cache-name }} + name: ${{ env.VERILATOR_ARCHIVE }} + path: ${{ github.workspace }} - - uses: actions/download-artifact@v2 + - name: Unpack tar archive + working-directory: ${{ github.workspace }} + run: tar -x -z -f ${{ env.VERILATOR_ARCHIVE }} - - name: Install Verilator and test dependencies - run: | - tar xvzf artifact/verilator-${CI_COMMIT}-coverage.tgz - touch src/obj*/*.o src/obj*/*.gcno - ./ci/ci-install.bash + - name: Install test dependencies + run: ./ci/ci-install.bash - name: Test env: TESTS: coverage-${{ matrix.test }}${{ matrix.num }} - run: | - ccache -z - ./ci/ci-script.bash - ccache -s + run: ./ci/ci-script.bash diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml index 6d6d68887..1b6662ea0 100644 --- a/.github/workflows/format.yml +++ b/.github/workflows/format.yml @@ -16,6 +16,7 @@ jobs: CI_OS_NAME: linux CI_RUNS_ON: ubuntu-20.04 CI_COMMIT: ${{ github.sha }} + CI_M32: 0 steps: - name: Checkout uses: actions/checkout@v2 @@ -26,14 +27,14 @@ jobs: CI_BUILD_STAGE_NAME: build run: | bash ci/ci-install.bash && - sudo apt-get install clang-10 yapf3 && + sudo apt-get install clang-format-11 yapf3 && git config --global user.email "action@example.com" && git config --global user.name "github action" - name: Format code run: | autoconf && ./configure && - make -j 2 format CLANGFORMAT=clang-format-10 && + make -j 2 format CLANGFORMAT=clang-format-11 && git status - name: Push run: | diff --git a/Changes b/Changes index d0d49ab8d..ca5a3183b 100644 --- a/Changes +++ b/Changes @@ -8,6 +8,35 @@ The changes in each Verilator version are described below. The contributors that suggested a given feature are shown in []. Thanks! +Verilator 4.210 2021-07-07 +========================== + +**Major:** + +* Generated code is now emitted as global functions rather than methods. '$c' + contents might need to be updated, see the docs (#3006). [Geza Lore] +* The generated model class instantiated by the user is now an interface + object and no longer the TOP module instance. User code with direct + C++ member access to model internals, including verilator public_flat + items will likely need to be updated. See the manual for instructions: + https://verilator.org/guide/latest/connecting.html#porting-from-pre-4-210 + (#3036). [Geza Lore] + +**Minor:** + +* Add --prof-c to pass profiling to compiler (#3059). [Alexander Grobman] +* Optimize a lot more model variables into function locals (#3027). [Geza Lore] +* Support middle-of-design nested topmodules (#3026). [Dan Petrisko] +* Remove deprecated --no-relative-cfuncs option (#3024). [Geza Lore] +* Remove deprecated --inhibit-sim option (#3035). [Geza Lore] +* Merge const static data globally into a new constant pool (#3013). [Geza Lore] +* Allow configure override of AR program (#2999). [ahouska] +* In XML, show pinIndex information (#2877). [errae233] +* Fix error on unsupported recursive functions (#2957). [Trefor Southwell] +* Fix type parameter specialization when struct names are same (#3055). [7FM] +* Improve speed of table optimization (-OA) pass. [Geza Lore] + + Verilator 4.204 2021-06-12 ========================== diff --git a/Makefile.in b/Makefile.in index fcee49bca..38c73b19d 100644 --- a/Makefile.in +++ b/Makefile.in @@ -230,7 +230,7 @@ all_nomsg: verilator_exe $(VL_INST_MAN_FILES) verilator_exe verilator_bin$(EXEEXT) verilator_bin_dbg$(EXEEXT) verilator_coverage_bin_dbg$(EXEEXT): @echo ------------------------------------------------------------ @echo "making verilator in src" - $(MAKE) -C src $(OBJCACHE_JOBS) $(CI_MAKE_SRC_TARGET) + $(MAKE) -C src $(OBJCACHE_JOBS) .PHONY:msg_test msg_test: all_nomsg @@ -470,13 +470,13 @@ analyzer-include: format: clang-format yapf format-pl-exec -CLANGFORMAT = clang-format +CLANGFORMAT = clang-format-11 CLANGFORMAT_FLAGS = -i CLANGFORMAT_FILES = $(CPPCHECK_CPP) $(CPPCHECK_H) $(CPPCHECK_YL) test_regress/t/*.c* test_regress/t/*.h clang-format: - @$(CLANGFORMAT) --version | egrep 10.0 > /dev/null \ - || echo "*** You are not using clang-format 10.0, indents may differ from master's ***" + @$(CLANGFORMAT) --version | egrep 11.0 > /dev/null \ + || echo "*** You are not using clang-format 11.0, indents may differ from master's ***" $(CLANGFORMAT) $(CLANGFORMAT_FLAGS) $(CLANGFORMAT_FILES) PY_PROGRAMS = \ @@ -492,6 +492,7 @@ PY_PROGRAMS = \ src/cppcheck_filtered \ src/flexfix \ src/vlcovgen \ + test_regress/t/*.pf \ nodist/code_coverage \ nodist/dot_importer \ nodist/fuzzer/actual_fail \ diff --git a/bin/verilator b/bin/verilator index 61064a9b4..b8d272440 100755 --- a/bin/verilator +++ b/bin/verilator @@ -332,7 +332,6 @@ detailed descriptions of these arguments. --gate-stmts Tune gate optimizer depth --if-depth Tune IFDEPTH warning +incdir+ Directory to search for includes - --inhibit-sim Create function to turn off sim --inline-mult Tune module inlining -LDFLAGS Linker pre-object arguments for makefile --l2-name Verilog scope name of the top module @@ -344,6 +343,7 @@ detailed descriptions of these arguments. --MMD Create .d dependency files --MP Create phony dependency targets --Mdir Name of output object directory + --no-merge-const-pool Disable merging of different types in const pool --mod-prefix Name to prepend to lower classes --no-clk Prevent marking specified signal as clock --no-decoration Disable comments and symbol decorations @@ -367,6 +367,7 @@ detailed descriptions of these arguments. --pipe-filter Filter all input through a script --pp-comments Show preprocessor comments with -E --prefix Name of top level class + --prof-c Compile C++ code with profiling --prof-cfuncs Name functions for profiling --prof-threads Enable generating gantt chart data for threads --protect-key Key for symbol protection @@ -378,7 +379,6 @@ detailed descriptions of these arguments. -pvalue+= Overwrite toplevel parameter --quiet-exit Don't print the command on failure --relative-includes Resolve includes relative to current file - --no-relative-cfuncs Disallow 'this->' in generated functions --reloop-limit Minimum iterations for forming loops --report-unoptflat Extra diagnostics for UNOPTFLAT --rr Run Verilator and record with rr diff --git a/bin/verilator_ccache_report b/bin/verilator_ccache_report index 764accd27..dd6d47897 100755 --- a/bin/verilator_ccache_report +++ b/bin/verilator_ccache_report @@ -88,6 +88,7 @@ else: args.o.write("{:{width}}| {}s\n".format(k, v.total_seconds(), width=wnames)) - if i > 4: break + if i > 4: + break args.o.write("#" * 80 + "\n") diff --git a/bin/verilator_profcfunc b/bin/verilator_profcfunc index e0c5340bf..7ee22f54c 100755 --- a/bin/verilator_profcfunc +++ b/bin/verilator_profcfunc @@ -202,7 +202,7 @@ verilator_profcfunc - Read gprof report created with --prof-cfuncs =head1 SYNOPSIS verilator --prof-cfuncs .... - gcc --ggdb -pg .... + gcc .... {run executable} gprof verilator_profcfuncs gprof.out diff --git a/ci/ci-install.bash b/ci/ci-install.bash index ff0719f4e..f258916b4 100755 --- a/ci/ci-install.bash +++ b/ci/ci-install.bash @@ -23,6 +23,12 @@ fatal() { echo "ERROR: $(basename "$0"): $1" >&2; exit 1; } +if [ "$CI_M32" = "0" ]; then + unset CI_M32 +elif [ "$CI_M32" != "1" ]; then + fatal "\$CI_M32 must be '0' or '1'"; +fi + if [ "$CI_OS_NAME" = "linux" ]; then MAKE=make elif [ "$CI_OS_NAME" = "osx" ]; then @@ -36,7 +42,7 @@ fi install-vcddiff() { TMP_DIR="$(mktemp -d)" git clone https://github.com/veripool/vcddiff "$TMP_DIR" - git -C "${TMP_DIR}" checkout 5112f88b7ba8818dce9dfb72619e64a1fc19542c + git -C "${TMP_DIR}" checkout e5664be5fe39d353bf3fcb50aa05214ab7ed4ac4 "$MAKE" -C "${TMP_DIR}" sudo cp "${TMP_DIR}/vcddiff" /usr/local/bin } @@ -55,7 +61,7 @@ if [ "$CI_BUILD_STAGE_NAME" = "build" ]; then if [ "$COVERAGE" = 1 ]; then yes yes | sudo cpan -fi Parallel::Forker fi - if [ "$M32" = 1 ]; then + if [ "$CI_M32" = 1 ]; then sudo apt-get install gcc-multilib g++-multilib fi elif [ "$CI_OS_NAME" = "osx" ]; then @@ -82,7 +88,7 @@ elif [ "$CI_BUILD_STAGE_NAME" = "test" ]; then if [ "$CI_RUNS_ON" = "ubuntu-20.04" ]; then sudo apt-get install libsystemc-dev fi - if [ "$M32" = 1 ]; then + if [ "$CI_M32" = 1 ]; then sudo apt-get install lib32z1-dev gcc-multilib g++-multilib fi elif [ "$CI_OS_NAME" = "osx" ]; then @@ -101,9 +107,6 @@ elif [ "$CI_BUILD_STAGE_NAME" = "test" ]; then fi yes yes | sudo cpan -M $CI_CPAN_REPO -fi Parallel::Forker install-vcddiff - - autoconf - ./configure --enable-longtests --enable-ccwarn else ############################################################################## # Unknown build stage diff --git a/ci/ci-script.bash b/ci/ci-script.bash index 70ded6d2c..0e02a9371 100755 --- a/ci/ci-script.bash +++ b/ci/ci-script.bash @@ -21,6 +21,12 @@ fatal() { echo "ERROR: $(basename "$0"): $1" >&2; exit 1; } +if [ "$CI_M32" = "0" ]; then + unset CI_M32 +elif [ "$CI_M32" != "1" ]; then + fatal "\$CI_M32 must be '0' or '1'"; +fi + if [ "$CI_OS_NAME" = "linux" ]; then export MAKE=make NPROC=$(nproc) @@ -40,8 +46,10 @@ if [ "$CI_BUILD_STAGE_NAME" = "build" ]; then if [ "$COVERAGE" != 1 ]; then autoconf - ./configure --enable-longtests --enable-ccwarn + ./configure --enable-longtests --enable-ccwarn ${CI_M32:+--enable-m32} + ccache -z "$MAKE" -j "$NPROC" -k + ccache -s if [ "$CI_OS_NAME" = "osx" ]; then file bin/verilator_bin file bin/verilator_bin_dbg @@ -61,6 +69,7 @@ elif [ "$CI_BUILD_STAGE_NAME" = "test" ]; then if [ "$CI_OS_NAME" = "osx" ]; then export VERILATOR_TEST_NO_GDB=1 # Pain to get GDB to work on OS X + # TODO below may no longer be requried as configure checks for -pg export VERILATOR_TEST_NO_GPROF=1 # Apple Clang has no -pg # export PATH="/Applications/gtkwave.app/Contents/Resources/bin:$PATH" # fst2vcd file bin/verilator_bin @@ -76,13 +85,15 @@ elif [ "$CI_BUILD_STAGE_NAME" = "test" ]; then "$MAKE" -j "$NPROC" -k elif [ "$CI_OS_NAME" = "freebsd" ]; then export VERILATOR_TEST_NO_GDB=1 # Disable for now, ideally should run + # TODO below may no longer be requried as configure checks for -pg export VERILATOR_TEST_NO_GPROF=1 # gprof is a bit different on FreeBSD, disable fi # Run sanitize on Ubuntu 20.04 only - [ "$CI_RUNS_ON" = 'ubuntu-20.04' ] && sanitize='--sanitize' || sanitize='' + [ "$CI_RUNS_ON" = 'ubuntu-20.04' ] && [ "$CI_M32" = "" ] && sanitize='--sanitize' || sanitize='' # Run the specified test + ccache -z case $TESTS in dist-vlt-0) "$MAKE" -C test_regress SCENARIOS="--dist --vlt $sanitize" DRIVER_HASHSET=--hashset=0/3 @@ -169,6 +180,8 @@ elif [ "$CI_BUILD_STAGE_NAME" = "test" ]; then fatal "Unknown test: $TESTS" ;; esac + ccache -s + # Upload coverage data if [[ $TESTS == coverage-* ]]; then bash <(cat ci/coverage-upload.sh) -f nodist/obj_dir/coverage/app_total.info diff --git a/configure.ac b/configure.ac index ee5043af4..174afb803 100644 --- a/configure.ac +++ b/configure.ac @@ -7,7 +7,7 @@ #AC_INIT([Verilator],[#.### YYYY-MM-DD]) #AC_INIT([Verilator],[#.### devel]) -AC_INIT([Verilator],[4.204 2021-06-12], +AC_INIT([Verilator],[4.210 2021-07-07], [https://verilator.org], [verilator],[https://verilator.org]) # When releasing, also update header of Changes file @@ -35,7 +35,7 @@ AC_ARG_ENABLE([silent-rules], AC_MSG_CHECKING(whether to perform partial static linking of Verilator binary) AC_ARG_ENABLE([partial-static], [AS_HELP_STRING([--disable-partial-static], - [By default, for Verilation peformance, Verilator + [By default, for Verilation performance, Verilator is linked against some of its dependencies statically. Use this to link the Verilator binary fully dynamically.])], @@ -52,7 +52,7 @@ AC_MSG_CHECKING(whether to use tcmalloc) AC_ARG_ENABLE([tcmalloc], [AS_HELP_STRING([--enable-tcmalloc], [Use libtcmalloc_minimal for faster dynamic memory - management in Verilator binary@<:@default=check@:>@])], + management in Verilator binary @<:@default=check@:>@])], [case "${enableval}" in yes) CFG_WITH_TCMALLOC=yes ;; no) CFG_WITH_TCMALLOC=no ;; @@ -61,6 +61,34 @@ AC_ARG_ENABLE([tcmalloc], [CFG_WITH_TCMALLOC=check;]) AC_MSG_RESULT($CFG_WITH_TCMALLOC) +# Flag to enable -m32 build +AC_MSG_CHECKING(whether to use -m32) +AC_ARG_ENABLE([m32], + [AS_HELP_STRING([--enable-m32], + [Use -m32 for all compilation and link, + including Verialtor and generated models.])], + [case "${enableval}" in + yes) CFG_ENABLE_M32=yes ;; + no) CFG_ENABLE_M32=no ;; + *) AC_MSG_ERROR([bad value '${enableval}' for --enable-m32]) ;; + esac], + CFG_ENABLE_M32=no) +AC_MSG_RESULT($CFG_ENABLE_M32) + +# Flag to enable coverage build +AC_MSG_CHECKING(whether to build for coverage collection) +AC_ARG_ENABLE([coverage], + [AS_HELP_STRING([--enable-coverage], + [Build Verilator for code coverage collection. + For developers only.])], + [case "${enableval}" in + yes) CFG_ENABLE_COVERAGE=yes ;; + no) CFG_ENABLE_COVERAGE=no ;; + *) AC_MSG_ERROR([bad value '${enableval}' for --enable-coverage]) ;; + esac], + CFG_ENABLE_COVERAGE=no) +AC_MSG_RESULT($CFG_ENABLE_COVERAGE) + # Special Substitutions - CFG_WITH_DEFENV AC_MSG_CHECKING(whether to use hardcoded paths) AC_ARG_ENABLE([defenv], @@ -135,6 +163,11 @@ AC_RUN_IFELSE( AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]), AC_MSG_RESULT(yes)) +AC_CHECK_PROG(AR,ar,ar) +if test "x$AR" = "x" ; then + AC_MSG_ERROR([Cannot find "ar" in your PATH, please install it]) +fi + AC_PATH_PROG(PERL,perl) if test "x$PERL" = "x" ; then AC_MSG_ERROR([Cannot find "perl" in your PATH, please install it]) @@ -211,24 +244,34 @@ AC_DEFUN([_MY_CXX_CHECK_FLAG], CXXFLAGS="$ACO_SAVE_CXXFLAGS" ]) +AC_DEFUN([_MY_CXX_CHECK_IFELSE], + [# _MY_CXX_CHECK_IFELSE(option,action-if-supported,action-if-not-supported) + # Check if compiler supports specific option. If it does, + # do action-if-supported, otherwise do action-if-not-supported + _MY_CXX_CHECK_FLAG($1) + if test "$_my_result" = "yes" ; then + true + $2 + else + true + $3 + fi + ]) + AC_DEFUN([_MY_CXX_CHECK_SET], - [# _MY_CXX_CHECK_SET(variable,flag) -- Check if compiler supports specific options - # If it does, set variable to flag, only if not previously set + [# _MY_CXX_CHECK_SET(variable,option) + # Check if compiler supports specific option. If it does, + # set variable to option, only if not previously set. if test "$$1" = ""; then - _MY_CXX_CHECK_FLAG($2) - if test "$_my_result" = "yes" ; then - $1="$2" - fi + _MY_CXX_CHECK_IFELSE($2, $1="$2") fi ]) AC_DEFUN([_MY_CXX_CHECK_OPT], - [# _MY_CXX_CHECK_OPT(flag) -- Check if compiler supports specific options - # If it does, append flag to variable - _MY_CXX_CHECK_FLAG($2) - if test "$_my_result" = "yes" ; then - $1="$$1 $2" - fi + [# _MY_CXX_CHECK_OPT(variable,option) + # Check if compiler supports specific option. If it does, + # append option to variable + _MY_CXX_CHECK_IFELSE($2, $1="$$1 $2") ]) AC_DEFUN([_MY_LDLIBS_CHECK_FLAG], @@ -270,6 +313,37 @@ AC_DEFUN([_MY_LDLIBS_CHECK_OPT], _MY_LDLIBS_CHECK_IFELSE($2, $1="$$1 $2") ]) +# When using -m32. Check this first as later checks may fail with the -m32 flag. +if test "$CFG_ENABLE_M32" = "yes"; then + _MY_CXX_CHECK_IFELSE( + -m32, + [CXX="$CXX -m32"], + [AC_MSG_ERROR([--enable-m32 was given but compiler does not support -m32])]) +fi + +# Similarly, add the coverage flags early as they influence later checks. +if test "$CFG_ENABLE_COVERAGE" = "yes"; then + _MY_CXX_CHECK_OPT(CXX,--coverage) + # Otherwise inline may not show as uncovered + # If we use this then e.g. verilated.h functions properly show up + # if unused. + # However, VerilatedSerialize::write then changes from covered + # to uncovered (in G++ 9.3.0) even with all inlining turned off. + # Having false negative coverage is more effort then missing negatives. + # Also this seems to explode the runtime (since a lot more data). + # _MY_CXX_CHECK_OPT(CXX,-fkeep-inline-functions) + # Otherwise static may not show as uncovered + _MY_CXX_CHECK_OPT(CXX,-fkeep-static-functions) + # Exceptions can pollute the branch coverage data + _MY_CXX_CHECK_OPT(CXX,-fno-exceptions) + # Define-out some impossible stuff + _MY_CXX_CHECK_OPT(CXX,-DVL_GCOV) +fi + +# Compiler flags to enable profiling +_MY_CXX_CHECK_OPT(CFG_CXXFLAGS_PROFILE,-pg) +AC_SUBST(CFG_CXXFLAGS_PROFILE) + # Flag to select newest language standard supported # Macros work such that first option that passes is the one we take # Currently enabled gnu++14/c++14 due to packaged SystemC dependency @@ -322,6 +396,18 @@ _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_PARSER,-Wno-parentheses-equality) _MY_CXX_CHECK_OPT(CFG_CXXFLAGS_PARSER,-Wno-unused) AC_SUBST(CFG_CXXFLAGS_PARSER) +# Flags for compiling the debug version of Verilator (in addition to above CFG_CXXFLAGS_SRC) +if test "$CFG_ENABLE_COVERAGE" = "no"; then # Do not optimize for the coverage build +_MY_CXX_CHECK_OPT(CFG_CXXFLAGS_DEBUG,-Og) +fi +_MY_CXX_CHECK_OPT(CFG_CXXFLAGS_DEBUG,-ggdb) +_MY_CXX_CHECK_OPT(CFG_CXXFLAGS_DEBUG,-gz) +AC_SUBST(CFG_CXXFLAGS_DEBUG) + +# Flags for linking the debug version of Verilator (in addition to above CFG_LDFLAGS_SRC) +_MY_LDLIBS_CHECK_OPT(CFG_LDFLAGS_DEBUG,-gz) +AC_SUBST(CFG_LDFLAGS_DEBUG) + # Flags for Verilated makefile # For example, -Wno-div-by-zero isn't in 4.1.2 # Random code often does / 0. Unfortunately VL_DIV_I(0,0) will warn diff --git a/docs/CONTRIBUTORS b/docs/CONTRIBUTORS index 1da70dd75..47c79e2f9 100644 --- a/docs/CONTRIBUTORS +++ b/docs/CONTRIBUTORS @@ -20,6 +20,7 @@ Driss Hafdi Edgar E. Iglesias Eric Rippey Fan Shupei +Felix Yan Garrett Smith Geza Lore Gianfranco Costamagna diff --git a/docs/_static/css/vlt_sphinx.css b/docs/_static/css/vlt_sphinx.css index bb9bc7e1e..8bfb935c4 100644 --- a/docs/_static/css/vlt_sphinx.css +++ b/docs/_static/css/vlt_sphinx.css @@ -1,16 +1,25 @@ -/*Verilator blue #008fd7; set in html*/ +/* Verilator blue #008fd7; set in html */ + .wy-side-nav-search > div.version { - color: #111; + color: #111; } -.fa-github::before, .icon-github::before { - content: ""; + +.fa-github::before, +.icon-github::before { + content: ""; } -.fa-home::before, .icon-home::before { - content: ""; + +.fa-home::before, +.icon-home::before { + content: ""; } -.fa-arrow-circle-right::before, .icon-circle-arrow-right::before { - content: ""; + +.fa-arrow-circle-right::before, +.icon-circle-arrow-right::before { + content: ""; } -.fa-arrow-circle-left::before, .icon-circle-arrow-left::before { - content: ""; + +.fa-arrow-circle-left::before, +.icon-circle-arrow-left::before { + content: ""; } diff --git a/docs/guide/connecting.rst b/docs/guide/connecting.rst index 720ecb8c1..bbe35e5aa 100644 --- a/docs/guide/connecting.rst +++ b/docs/guide/connecting.rst @@ -7,22 +7,86 @@ Connecting to Verilated Models ****************************** +Structure of the Verilated Model +================================ + +Verilator outputs a :file:`{prefix}.h` header file which defines a class +named :code:`{prefix}` which represents the generated model the user is +supposed to instantiate. This model class defines the interface of the +Verilated model. + +Verilator will additionally create a :file:`{prefix}.cpp` file, together +with additional .h and .cpp files for internals. See the :file:`examples` +directory in the kit for examples. See :ref:`Files Read/Written` for +information on all the files Verilator might output. + +The output of Verilator will contain a :file:`{prefix}.mk` file that may be +used with Make to build a :file:`{prefix}__ALL.a` library with all required +objects in it. + +The generated model class file manages all internal state required by the +model, and exposes the following interface that allows interaction with the +model: + +* Top level IO ports are exposed as references to the appropriate internal + equivalents. + +* Public top level module instances are exposed as pointers to allow access + to :code:`/* verilator public */` items. + +* The root of the design hierarchy (as in SystemVerilog :code:`$root`) is + exposed via the :code:`rootp` member pointer to allow access to model + internals, including :code:`/* verilator public_flat */` items. + + +.. _Porting from pre 4.210: + +Model interface changes in version 4.210 +------------------------------------------ + +Starting from version 4.210, the model class is an interface object. + +Up until Verilator version 4.204 inclusive, the generated model class was +also the instance of the top level instance in the design hierarchy (what +you would refer to with :code:`$root` in SystemVerilog). This meant that +all internal variables that were implemented by Verilator in the root scope +were accessible as members of the model class itself. Note there were often +many such variable due to module inlining, including :code:`/* verilator +public_flat */` items. + +This means that user code that accesses internal signals in the model +(likely including :code:`/* verilator public_flat */` signals, as they are +often inlined into the root scope) will need to be updated as follows: + +* No change required for accessing top level IO signals. These are directly + accessible in the model class via references. + +* No change required for accessing :code:`/* verilator public */` items. + These are directly accessible via sub-module pointers in the model class. + +* Accessing any other internal members, including + :code:`/* verilator public_flat */` items requires the following changes: + + * Additionally include :file:`{prefix}___024root.h`. This header defines + type of the :code:`rootp` pointer within the model class. Note the + :code:`__024` substring is the Verilator escape sequence for the + :code:`$` character, i.e.: :code:`rootp` points to the Verilated + SystemVerilog :code:`$root` scope. + + * Replace :code:`modelp->internal->member->lookup` references with + :code:`modelp->rootp->internal->member->lookup` references, which + contain one additional indirection via the :code:`rootp` pointer. + + .. _Connecting to C++: Connecting to C++ ================= -Verilator creates a :file:`{prefix}.h` and :file:`{prefix}.cpp` file for -the top level module, together with additional .h and .cpp files for -internals. See the :file:`examples` directory in the kit for examples. See -:ref:`Files Read/Written` for information on all the files it writes. - -After the model is created, there will be a :file:`{prefix}.mk` file that -may be used with Make to produce a :file:`{prefix}__ALL.a` file with all -required objects in it. - -The user must write a C++ wrapper and main loop for the simulation, to link -with the Verilated model. Here is a simple example: +In C++ output mode (:vlopt:`--cc`), the Verilator generated model class is a +simple C++ class. The user must write a C++ wrapper and main loop for the +simulation, which instantiates the model class, and link with the Verilated +model. Here is a simple example: .. code-block:: C++ @@ -30,7 +94,7 @@ with the Verilated model. Here is a simple example: #include // Need std::cout #include "Vtop.h" // From Verilating "top.v" - Vtop *top; // Instantiation of module + Vtop *top; // Instantiation of model vluint64_t main_time = 0; // Current simulation time // This is a 64-bit integer to reduce wrap over issues and @@ -45,7 +109,7 @@ with the Verilated model. Here is a simple example: int main(int argc, char** argv) { Verilated::commandArgs(argc, argv); // Remember args - top = new Vtop; // Create instance + top = new Vtop; // Create model top->reset_l = 0; // Set some inputs @@ -70,17 +134,18 @@ with the Verilated model. Here is a simple example: } -Note signals are read and written as member variables of the model. You -call the :code:`eval()` method to evaluate the model. When the simulation -is complete call the :code:`final()` method to execute any SystemVerilog -final blocks, and complete any assertions. See :ref:`Evaluation Loop`. +Note top level IO signals are read and written as members of the model. You +call the :code:`eval()` method to evaluate the model. When the simulation is +complete call the :code:`final()` method to execute any SystemVerilog final +blocks, and complete any assertions. See :ref:`Evaluation Loop`. Connecting to SystemC ===================== -Verilator will convert the top level module to a SC_MODULE. This module -will attach directly into a SystemC netlist as an instantiation. +In SystemC output mode (:vlopt:`--sc`), the Verilator generated model class +is a SystemC SC_MODULE. This module will attach directly into a SystemC +netlist as an instantiation. The SC_MODULE gets the same pinout as the Verilog module, with the following type conversions: Pins of a single bit become bool. Pins 2-32 @@ -88,9 +153,9 @@ bits wide become uint32_t's. Pins 33-64 bits wide become sc_bv's or vluint64_t's depending on the :vlopt:`--no-pins64` option. Wider pins become sc_bv's. (Uints simulate the fastest so are used where possible.) -Lower modules are not pure SystemC code. This is a feature, as using the -SystemC pin interconnect scheme everywhere would reduce performance by an -order of magnitude. +Model internals, including lower level sub-modules are not pure SystemC +code. This is a feature, as using the SystemC pin interconnect scheme +everywhere would reduce performance by an order of magnitude. Direct Programming Interface (DPI) diff --git a/docs/guide/deprecations.rst b/docs/guide/deprecations.rst index ddb7546db..aa9fcb5df 100644 --- a/docs/guide/deprecations.rst +++ b/docs/guide/deprecations.rst @@ -11,14 +11,6 @@ C++11 compiler support require C++14 or newer compilers for both compiling Verilator and compiling Verilated models no sooner than January 2022. -No-Relative-Cfuncs Option - The :vlopt:`--no-relative-cfuncs` option is not be required by any C++11 - compliant compiler and is planned for removal no sooner than July 2021. - -Inhibit-Sim Option - The :vlopt:`--inhibit-sim` option is planned for removal no sooner than - July 2021. - Configuration File -msg The :vlopt:`lint_off` "-msg" option has been replaced with the "-rule" option. "-msg" is planned for removal no sooner than January 2021. diff --git a/docs/guide/exe_verilator.rst b/docs/guide/exe_verilator.rst index d7eebe90d..f92024741 100644 --- a/docs/guide/exe_verilator.rst +++ b/docs/guide/exe_verilator.rst @@ -527,14 +527,6 @@ Summary: See :vlopt:`-y`. -.. option:: --inhibit-sim - - Rarely needed and deprecated. Create a :code:`inhibitSim(bool)` - function to enable and disable evaluation. This allows an upper level - testbench to disable modules that are not important in a given - simulation, without needing to recompile or change the SystemC modules - instantiated. - .. option:: --inline-mult Tune the inlining of modules. The default value of 2000 specifies that up @@ -633,6 +625,13 @@ Summary: The directory is created if it does not exist and the parent directories exist; otherwise manually create the Mdir before calling Verilator. +.. option:: --no-merge-const-pool + + Rarely needed. In order to minimize cache footprint, values of different + data type, that are yet emitted identically in C++ are merged in the + constant pool. This option disables this and causes every constant pool + entry with a distinct data type to be emitted separately. + .. option:: --mod-prefix Specifies the name to prepend to all lower level classes. Defaults to @@ -654,10 +653,6 @@ Summary: Backward compatible alias for :vlopt:`--pins-bv 33 <--pins-bv>`. -.. option:: --no-relative-cfuncs - - Deprecated. - .. option:: --no-skip-identical =item --skip-identical Rarely needed. Disables or enables skipping execution of Verilator if @@ -808,6 +803,13 @@ Summary: prepended to the name of the :vlopt:`--top` option, or V prepended to the first Verilog filename passed on the command line. +.. option:: --prof-c + + When compiling the C++ code, enable the compiler's profiling flag + (e.g. :code:`g++ -pg`). See :ref:`Profiling`. + + Using :vlopt:`--prof-cfuncs` also enables :vlopt:`prof-c`. + .. option:: --prof-cfuncs Modify the created C++ functions to support profiling. The functions @@ -818,6 +820,8 @@ Summary: came from. This allows gprof or oprofile reports to be correlated with the original Verilog source statements. See :ref:`Profiling`. + Using :vlopt:`--prof-cfuncs` also enables :vlopt:`prof-c`. + .. option:: --prof-threads Enable gantt chart data collection for threaded builds. See :ref:`Thread diff --git a/docs/guide/extensions.rst b/docs/guide/extensions.rst index 1d0cbf0f7..c82c89adb 100644 --- a/docs/guide/extensions.rst +++ b/docs/guide/extensions.rst @@ -33,7 +33,12 @@ or "`ifdef`"'s may break other tools. that returns up to a 32-bit number (without a trailing ;). This can be used to call C++ functions from your Verilog code. - String arguments will be put directly into the output C++ code. + String arguments will be put directly into the output C++ code, except + the word 'this' (i.e.: the object pointer) might be replaced with a + different pointer as Verilator might implement logic with non-member + functions. For this reason, any references to class members must be made + via an explicit 'this->' pointer dereference. + Expression arguments will have the code to evaluate the expression inserted. Thus to call a C++ function, :code:`$c("func(",a,")")` will result in :code:`func(a)` in the output C++ code. For input arguments, diff --git a/docs/guide/files.rst b/docs/guide/files.rst index cc2dca400..692f3e937 100644 --- a/docs/guide/files.rst +++ b/docs/guide/files.rst @@ -54,32 +54,38 @@ For --cc/--sc, it creates: - Arguments for hierarchical Verilation (from --make gmake) * - *{prefix}*\ _hierCMakeArgs.f - Arguments for hierarchical Verilation (from --make cmake) - * - *{prefix}*\ .cpp - - Top level C++ file - * - *{prefix}{__n}*\ .cpp - - Additional top C++ files (from --output-split) * - *{prefix}*\ .h - - Top level header - * - *{prefix}*\ __Slow\ *{__n}*\ .cpp + - Model header + * - *{prefix}*\ .cpp + - Model C++ file + * - *{prefix}*\ ___024root.h + - Top level (SystemVerilog $root) internal header file + * - *{prefix}*\ ___024root.cpp + - Top level (SystemVerilog $root) internal C++ file + * - *{prefix}*___024root*{__n}*\ .cpp + - Additional top level internal C++ files (from --output-split) + * - *{prefix}*\ ___024root__Slow\ *{__n}*\ .cpp - Infrequent cold routines - * - *{prefix}*\ __Dpi.cpp - - DPI import and export wrappers (from --dpi) + * - *{prefix}*\ ___024root__Trace{__n}*\ .cpp + - Wave file generation code (from --trace) + * - *{prefix}*\ ___024root__Trace__Slow{__n}*\ .cpp + - Wave file generation code (from --trace) * - *{prefix}*\ __Dpi.h - DPI import and export declarations (from --dpi) + * - *{prefix}*\ __Dpi.cpp + - Global DPI export wrappers (from --dpi) + * - *{prefix}*\ __Dpi_Export\ *{__n}\ .cpp + - DPI export wrappers scoped to this particular model (from --dpi) * - *{prefix}*\ __Inlines.h - Inline support functions - * - *{prefix}*\ __Syms.cpp - - Global symbol table C++ * - *{prefix}*\ __Syms.h - Global symbol table header - * - *{prefix}*\ __Trace{__n}*\ .cpp - - Wave file generation code (from --trace) - * - *{prefix}*\ __Trace__Slow{__n}*\ .cpp - - Wave file generation code (from --trace) - * - *{prefix}{each_verilog_module}*\ .cpp - - Lower level internal C++ files + * - *{prefix}*\ __Syms.cpp + - Global symbol table C++ * - *{prefix}{each_verilog_module}*\ .h - Lower level internal header files + * - *{prefix}{each_verilog_module}*\ .cpp + - Lower level internal C++ files * - *{prefix}{each_verilog_module}{__n}*\ .cpp - Additional lower C++ files (from --output-split) diff --git a/docs/guide/install.rst b/docs/guide/install.rst index 7154315ce..5f2c50b12 100644 --- a/docs/guide/install.rst +++ b/docs/guide/install.rst @@ -116,7 +116,7 @@ Those developing Verilator itself may also want these (see internals.rst): :: - sudo apt-get install gdb graphviz cmake clang clang-format gprof lcov + sudo apt-get install gdb graphviz cmake clang clang-format-11 gprof lcov sudo pip3 install sphinx sphinx_rtd_theme breathe cpan install Pod::Perldoc cpan install Parallel::Forker diff --git a/docs/guide/simulating.rst b/docs/guide/simulating.rst index 3033a5c22..19f54f198 100644 --- a/docs/guide/simulating.rst +++ b/docs/guide/simulating.rst @@ -272,8 +272,6 @@ profiled C++ code functions. To use profiling: #. Use Verilator's :vlopt:`--prof-cfuncs`. -#. Use Verilator's :vlopt:`-CFLAGS "-g -pg" <-CFLAGS>` to pass the - profiling flags through to GCC/Clang. #. Build and run the simulation model. #. The model will create gmon.out. #. Run :command:`gprof` to see where in the C++ code the time is spent. diff --git a/docs/internals.rst b/docs/internals.rst index 71eebfb41..39e3d3862 100644 --- a/docs/internals.rst +++ b/docs/internals.rst @@ -502,7 +502,7 @@ Some of the code implementing passes is extremely repetitive, and must be implemented for each sub-class of ``AstNode``. However, while repetitive, there is more variability than can be handled in C++ macros. -In Verilator this is implemented by using a Perl script, ``astgen`` to +In Verilator this is implemented by using a script, ``astgen`` to pre-process the C++ code. For example in ``V3Const.cpp`` this is used to implement the ``visit()`` functions for each binary operation using the ``TREEOP`` macro. @@ -750,8 +750,8 @@ test. For run-time tests, this is followed by a call to the ``execute`` subroutine. Both of these functions can optionally be provided with a hash table as argument specifying additional options. -The test driver assumes by default that the source Verilog file name -matches the PERL driver name. So a test whose driver is +The driver.pl script assumes by default that the source Verilog file name +matches the test script name. So a test whose driver is ``t/t_mytest.pl`` will expect a Verilog source file ``t/t_mytest.v``. This can be changed using the ``top_filename`` subroutine, for example diff --git a/include/verilated.cpp b/include/verilated.cpp index aa4bb49c3..01d31413f 100644 --- a/include/verilated.cpp +++ b/include/verilated.cpp @@ -215,7 +215,7 @@ std::string _vl_string_vprintf(const char* formatp, va_list ap) VL_MT_SAFE { char* bufp = new char[len + 1]; VL_VSNPRINTF(bufp, len + 1, formatp, ap); - std::string out = std::string(bufp, len); + const std::string out = std::string(bufp, len); delete[] bufp; return out; } @@ -246,7 +246,7 @@ void VL_DBG_MSGF(const char* formatp, ...) VL_MT_SAFE { // includes that otherwise would be required in every Verilated module va_list ap; va_start(ap, formatp); - std::string out = _vl_string_vprintf(formatp, ap); + const std::string out = _vl_string_vprintf(formatp, ap); va_end(ap); // printf("-imm-V{t%d,%" VL_PRI64 "d}%s", VL_THREAD_ID(), _vl_dbg_sequence_number(), // out.c_str()); @@ -261,7 +261,7 @@ void VL_DBG_MSGF(const char* formatp, ...) VL_MT_SAFE { void VL_PRINTF_MT(const char* formatp, ...) VL_MT_SAFE { va_list ap; va_start(ap, formatp); - std::string out = _vl_string_vprintf(formatp, ap); + const std::string out = _vl_string_vprintf(formatp, ap); va_end(ap); VerilatedThreadMsgQueue::post(VerilatedMsg([=]() { // VL_PRINTF("%s", out.c_str()); @@ -301,7 +301,7 @@ vluint64_t vl_rand64() VL_MT_SAFE { if (VL_COUNTONES_I(t_state[1]) < 10) t_state[1] = ~t_state[1]; } // Xoroshiro128+ algorithm - vluint64_t result = t_state[0] + t_state[1]; + const vluint64_t result = t_state[0] + t_state[1]; t_state[1] ^= t_state[0]; t_state[0] = (((t_state[0] << 55) | (t_state[0] >> 9)) ^ t_state[1] ^ (t_state[1] << 14)); t_state[1] = (t_state[1] << 36) | (t_state[1] >> 28); @@ -356,7 +356,7 @@ WDataOutP VL_ZERO_RESET_W(int obits, WDataOutP outwp) VL_MT_SAFE { //=========================================================================== // Debug -void _vl_debug_print_w(int lbits, WDataInP iwp) VL_MT_SAFE { +void _vl_debug_print_w(int lbits, const WDataInP iwp) VL_MT_SAFE { VL_PRINTF_MT(" Data: w%d: ", lbits); for (int i = VL_WORDS_I(lbits) - 1; i >= 0; --i) VL_PRINTF_MT("%08x ", iwp[i]); VL_PRINTF_MT("\n"); @@ -365,24 +365,24 @@ void _vl_debug_print_w(int lbits, WDataInP iwp) VL_MT_SAFE { //=========================================================================== // Slow math -WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, +WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, const WDataInP lwp, const WDataInP rwp, bool is_modulus) VL_MT_SAFE { // See Knuth Algorithm D. Computes u/v = q.r // This isn't massively tuned, as wide division is rare // for debug see V3Number version // Requires clean input - int words = VL_WORDS_I(lbits); + const int words = VL_WORDS_I(lbits); for (int i = 0; i < words; ++i) owp[i] = 0; // Find MSB and check for zero. - int umsbp1 = VL_MOSTSETBITP1_W(words, lwp); // dividend - int vmsbp1 = VL_MOSTSETBITP1_W(words, rwp); // divisor + const int umsbp1 = VL_MOSTSETBITP1_W(words, lwp); // dividend + const int vmsbp1 = VL_MOSTSETBITP1_W(words, rwp); // divisor if (VL_UNLIKELY(vmsbp1 == 0) // rwp==0 so division by zero. Return 0. || VL_UNLIKELY(umsbp1 == 0)) { // 0/x so short circuit and return 0 return owp; } - int uw = VL_WORDS_I(umsbp1); // aka "m" in the algorithm - int vw = VL_WORDS_I(vmsbp1); // aka "n" in the algorithm + const int uw = VL_WORDS_I(umsbp1); // aka "m" in the algorithm + const int vw = VL_WORDS_I(vmsbp1); // aka "n" in the algorithm if (vw == 1) { // Single divisor word breaks rest of algorithm vluint64_t k = 0; @@ -408,8 +408,8 @@ WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, // Algorithm requires divisor MSB to be set // Copy and shift to normalize divisor so MSB of vn[vw-1] is set - int s = 31 - VL_BITBIT_I(vmsbp1 - 1); // shift amount (0...31) - vluint32_t shift_mask = s ? 0xffffffff : 0; // otherwise >> 32 won't mask the value + const int s = 31 - VL_BITBIT_I(vmsbp1 - 1); // shift amount (0...31) + const vluint32_t shift_mask = s ? 0xffffffff : 0; // otherwise >> 32 won't mask the value for (int i = vw - 1; i > 0; --i) { vn[i] = (rwp[i] << s) | (shift_mask & (rwp[i - 1] >> (32 - s))); } @@ -429,8 +429,8 @@ WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, // Main loop for (int j = uw - vw; j >= 0; --j) { // Estimate - vluint64_t unw64 = (static_cast(un[j + vw]) << 32ULL - | static_cast(un[j + vw - 1])); + const vluint64_t unw64 = (static_cast(un[j + vw]) << 32ULL + | static_cast(un[j + vw - 1])); vluint64_t qhat = unw64 / static_cast(vn[vw - 1]); vluint64_t rhat = unw64 - qhat * static_cast(vn[vw - 1]); @@ -478,15 +478,15 @@ WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, } } -WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { +WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, const WDataInP lwp, + const WDataInP rwp) VL_MT_SAFE { // obits==lbits, rbits can be different owp[0] = 1; for (int i = 1; i < VL_WORDS_I(obits); i++) owp[i] = 0; // cppcheck-suppress variableScope - WData powstore[VL_MULS_MAX_WORDS]; // Fixed size, as MSVC++ doesn't allow [words] here - WData lastpowstore[VL_MULS_MAX_WORDS]; // Fixed size, as MSVC++ doesn't allow [words] here - WData lastoutstore[VL_MULS_MAX_WORDS]; // Fixed size, as MSVC++ doesn't allow [words] here + VlWide powstore; // Fixed size, as MSVC++ doesn't allow [words] here + VlWide lastpowstore; // Fixed size, as MSVC++ doesn't allow [words] here + VlWide lastoutstore; // Fixed size, as MSVC++ doesn't allow [words] here // cppcheck-suppress variableScope VL_ASSIGN_W(obits, powstore, lwp); for (int bit = 0; bit < rbits; bit++) { @@ -501,13 +501,13 @@ WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, } return owp; } -WDataOutP VL_POW_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, +WDataOutP VL_POW_WWQ(int obits, int lbits, int rbits, WDataOutP owp, const WDataInP lwp, QData rhs) VL_MT_SAFE { - WData rhsw[VL_WQ_WORDS_E]; + VlWide rhsw; VL_SET_WQ(rhsw, rhs); return VL_POW_WWW(obits, lbits, rbits, owp, lwp, rhsw); } -QData VL_POW_QQW(int, int, int rbits, QData lhs, WDataInP rwp) VL_MT_SAFE { +QData VL_POW_QQW(int, int, int rbits, QData lhs, const WDataInP rwp) VL_MT_SAFE { // Skip check for rhs == 0, as short-circuit doesn't save time if (VL_UNLIKELY(lhs == 0)) return 0; QData power = lhs; @@ -519,11 +519,11 @@ QData VL_POW_QQW(int, int, int rbits, QData lhs, WDataInP rwp) VL_MT_SAFE { return out; } -WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, - bool lsign, bool rsign) VL_MT_SAFE { +WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, const WDataInP lwp, + const WDataInP rwp, bool lsign, bool rsign) VL_MT_SAFE { // obits==lbits, rbits can be different if (rsign && VL_SIGN_W(rbits, rwp)) { - int words = VL_WORDS_I(obits); + const int words = VL_WORDS_I(obits); VL_ZERO_W(obits, owp); EData lor = 0; // 0=all zeros, ~0=all ones, else mix for (int i = 1; i < (words - 1); ++i) { lor |= lwp[i]; } @@ -545,13 +545,13 @@ WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, W } return VL_POW_WWW(obits, rbits, rbits, owp, lwp, rwp); } -WDataOutP VL_POWSS_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, QData rhs, - bool lsign, bool rsign) VL_MT_SAFE { - WData rhsw[VL_WQ_WORDS_E]; +WDataOutP VL_POWSS_WWQ(int obits, int lbits, int rbits, WDataOutP owp, const WDataInP lwp, + QData rhs, bool lsign, bool rsign) VL_MT_SAFE { + VlWide rhsw; VL_SET_WQ(rhsw, rhs); return VL_POWSS_WWW(obits, lbits, rbits, owp, lwp, rhsw, lsign, rsign); } -QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp, bool lsign, +QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, const WDataInP rwp, bool lsign, bool rsign) VL_MT_SAFE { // Skip check for rhs == 0, as short-circuit doesn't save time if (rsign && VL_SIGN_W(rbits, rwp)) { @@ -571,23 +571,23 @@ QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp, bool lsig return VL_POW_QQW(obits, rbits, rbits, lhs, rwp); } -double VL_ITOR_D_W(int lbits, WDataInP lwp) VL_PURE { +double VL_ITOR_D_W(int lbits, const WDataInP lwp) VL_PURE { int ms_word = VL_WORDS_I(lbits) - 1; for (; !lwp[ms_word] && ms_word > 0;) --ms_word; if (ms_word == 0) return static_cast(lwp[0]); if (ms_word == 1) return static_cast(VL_SET_QW(lwp)); // We need 53 bits of mantissa, which might mean looking at 3 words // namely ms_word, ms_word-1 and ms_word-2 - EData ihi = lwp[ms_word]; - EData imid = lwp[ms_word - 1]; - EData ilo = lwp[ms_word - 2]; - double hi = static_cast(ihi) * std::exp2(2 * VL_EDATASIZE); - double mid = static_cast(imid) * std::exp2(VL_EDATASIZE); - double lo = static_cast(ilo); - double d = (hi + mid + lo) * std::exp2(VL_EDATASIZE * (ms_word - 2)); + const EData ihi = lwp[ms_word]; + const EData imid = lwp[ms_word - 1]; + const EData ilo = lwp[ms_word - 2]; + const double hi = static_cast(ihi) * std::exp2(2 * VL_EDATASIZE); + const double mid = static_cast(imid) * std::exp2(VL_EDATASIZE); + const double lo = static_cast(ilo); + const double d = (hi + mid + lo) * std::exp2(VL_EDATASIZE * (ms_word - 2)); return d; } -double VL_ISTOR_D_W(int lbits, WDataInP lwp) VL_PURE { +double VL_ISTOR_D_W(int lbits, const WDataInP lwp) VL_PURE { if (!VL_SIGN_W(lbits, lwp)) return VL_ITOR_D_W(lbits, lwp); vluint32_t pos[VL_MULS_MAX_WORDS + 1]; // Fixed size, as MSVC++ doesn't allow [words] here VL_NEGATE_W(VL_WORDS_I(lbits), pos, lwp); @@ -599,13 +599,13 @@ double VL_ISTOR_D_W(int lbits, WDataInP lwp) VL_PURE { // Formatting // Output a string representation of a wide number -std::string VL_DECIMAL_NW(int width, WDataInP lwp) VL_MT_SAFE { - int maxdecwidth = (width + 3) * 4 / 3; +std::string VL_DECIMAL_NW(int width, const WDataInP lwp) VL_MT_SAFE { + const int maxdecwidth = (width + 3) * 4 / 3; // Or (maxdecwidth+7)/8], but can't have more than 4 BCD bits per word - WData bcd[VL_VALUE_STRING_MAX_WIDTH / 4 + 2]; + VlWide bcd; VL_ZERO_RESET_W(maxdecwidth, bcd); - WData tmp[VL_VALUE_STRING_MAX_WIDTH / 4 + 2]; - WData tmp2[VL_VALUE_STRING_MAX_WIDTH / 4 + 2]; + VlWide tmp; + VlWide tmp2; int from_bit = width - 1; // Skip all leading zeros for (; from_bit >= 0 && !(VL_BITRSHIFT_W(lwp, from_bit) & 1); --from_bit) {} @@ -648,25 +648,25 @@ std::string _vl_vsformat_time(char* tmp, T ld, int timeunit, bool left, size_t w if (std::numeric_limits::is_integer) { constexpr int b = 128; constexpr int w = VL_WORDS_I(b); - WData tmp0[w], tmp1[w], tmp2[w], tmp3[w]; + VlWide tmp0, tmp1, tmp2, tmp3; WDataInP shifted = VL_EXTEND_WQ(b, 0, tmp0, static_cast(ld)); if (shift < 0) { - WDataInP pow10 = VL_EXTEND_WQ(b, 0, tmp1, vl_time_pow10(-shift)); + const WDataInP pow10 = VL_EXTEND_WQ(b, 0, tmp1, vl_time_pow10(-shift)); shifted = VL_DIV_WWW(b, tmp2, shifted, pow10); } else { - WDataInP pow10 = VL_EXTEND_WQ(b, 0, tmp1, vl_time_pow10(shift)); + const WDataInP pow10 = VL_EXTEND_WQ(b, 0, tmp1, vl_time_pow10(shift)); shifted = VL_MUL_W(w, tmp2, shifted, pow10); } - WDataInP fracDigitsPow10 = VL_EXTEND_WQ(b, 0, tmp3, vl_time_pow10(fracDigits)); - WDataInP integer = VL_DIV_WWW(b, tmp0, shifted, fracDigitsPow10); - WDataInP frac = VL_MODDIV_WWW(b, tmp1, shifted, fracDigitsPow10); - WDataInP max64Bit + const WDataInP fracDigitsPow10 = VL_EXTEND_WQ(b, 0, tmp3, vl_time_pow10(fracDigits)); + const WDataInP integer = VL_DIV_WWW(b, tmp0, shifted, fracDigitsPow10); + const WDataInP frac = VL_MODDIV_WWW(b, tmp1, shifted, fracDigitsPow10); + const WDataInP max64Bit = VL_EXTEND_WQ(b, 0, tmp2, std::numeric_limits::max()); // breaks shifted if (VL_GT_W(w, integer, max64Bit)) { WDataOutP v = VL_ASSIGN_W(b, tmp3, integer); // breaks fracDigitsPow10 - WData zero[w], ten[w]; + VlWide zero, ten; VL_ZERO_W(b, zero); VL_EXTEND_WI(b, 0, ten, 10); char buf[128]; // 128B is obviously long enough to represent 128bit integer in decimal @@ -674,9 +674,9 @@ std::string _vl_vsformat_time(char* tmp, T ld, int timeunit, bool left, size_t w *ptr = '\0'; while (VL_GT_W(w, v, zero)) { --ptr; - WDataInP mod = VL_MODDIV_WWW(b, tmp2, v, ten); // breaks max64Bit + const WDataInP mod = VL_MODDIV_WWW(b, tmp2, v, ten); // breaks max64Bit *ptr = "0123456789"[VL_SET_QW(mod)]; - WData divided[w]; + VlWide divided; VL_DIV_WWW(b, divided, v, ten); VL_ASSIGN_W(b, v, divided); } @@ -801,7 +801,7 @@ void _vl_vsformat(std::string& output, const char* formatp, va_list ap) VL_MT_SA case 'g': case '^': { // Realtime const int lbits = va_arg(ap, int); - double d = va_arg(ap, double); + const double d = va_arg(ap, double); if (lbits) {} // UNUSED - always 64 if (fmt == '^') { // Realtime if (!widthSet) width = Verilated::threadContextp()->impp()->timeFormatWidth(); @@ -818,7 +818,7 @@ void _vl_vsformat(std::string& output, const char* formatp, va_list ap) VL_MT_SA // Deal with all read-and-print somethings const int lbits = va_arg(ap, int); QData ld = 0; - WData qlwp[VL_WQ_WORDS_E]; + VlWide qlwp; WDataInP lwp = nullptr; if (lbits <= VL_QUADSIZE) { ld = VL_VA_ARG_Q_(ap, lbits); @@ -834,7 +834,7 @@ void _vl_vsformat(std::string& output, const char* formatp, va_list ap) VL_MT_SA } switch (fmt) { case 'c': { - IData charval = ld & 0xff; + const IData charval = ld & 0xff; output += static_cast(charval); break; } @@ -842,7 +842,7 @@ void _vl_vsformat(std::string& output, const char* formatp, va_list ap) VL_MT_SA std::string field; for (; lsb >= 0; --lsb) { lsb = (lsb / 8) * 8; // Next digit - IData charval = VL_BITRSHIFT_W(lwp, lsb) & 0xff; + const IData charval = VL_BITRSHIFT_W(lwp, lsb) & 0xff; field += (charval == 0) ? ' ' : charval; } std::string padding; @@ -860,7 +860,7 @@ void _vl_vsformat(std::string& output, const char* formatp, va_list ap) VL_MT_SA append = t_tmp; } else { if (VL_SIGN_E(lbits, lwp[VL_WORDS_I(lbits) - 1])) { - WData neg[VL_VALUE_STRING_MAX_WIDTH / 4 + 2]; + VlWide neg; VL_NEGATE_W(VL_WORDS_I(lbits), neg, lwp); append = std::string("-") + VL_DECIMAL_NW(lbits, neg); } else { @@ -957,7 +957,7 @@ void _vl_vsformat(std::string& output, const char* formatp, va_list ap) VL_MT_SA } break; default: { // LCOV_EXCL_START - std::string msg = std::string("Unknown _vl_vsformat code: ") + pos[0]; + const std::string msg = std::string("Unknown _vl_vsformat code: ") + pos[0]; VL_FATAL_MT(__FILE__, __LINE__, "", msg.c_str()); break; } // LCOV_EXCL_STOP @@ -982,11 +982,11 @@ static inline void _vl_vsss_advance(FILE* fp, int& floc) VL_MT_SAFE { floc -= 8; } } -static inline int _vl_vsss_peek(FILE* fp, int& floc, WDataInP fromp, +static inline int _vl_vsss_peek(FILE* fp, int& floc, const WDataInP fromp, const std::string& fstr) VL_MT_SAFE { // Get a character without advancing if (fp) { - int data = std::fgetc(fp); + const int data = std::fgetc(fp); if (data == EOF) return EOF; ungetc(data, fp); return data; @@ -1000,16 +1000,17 @@ static inline int _vl_vsss_peek(FILE* fp, int& floc, WDataInP fromp, } } } -static inline void _vl_vsss_skipspace(FILE* fp, int& floc, WDataInP fromp, +static inline void _vl_vsss_skipspace(FILE* fp, int& floc, const WDataInP fromp, const std::string& fstr) VL_MT_SAFE { while (true) { - int c = _vl_vsss_peek(fp, floc, fromp, fstr); + const int c = _vl_vsss_peek(fp, floc, fromp, fstr); if (c == EOF || !std::isspace(c)) return; _vl_vsss_advance(fp, floc); } } -static inline void _vl_vsss_read_str(FILE* fp, int& floc, WDataInP fromp, const std::string& fstr, - char* tmpp, const char* acceptp) VL_MT_SAFE { +static inline void _vl_vsss_read_str(FILE* fp, int& floc, const WDataInP fromp, + const std::string& fstr, char* tmpp, + const char* acceptp) VL_MT_SAFE { // Read into tmp, consisting of characters from acceptp list char* cp = tmpp; while (true) { @@ -1023,8 +1024,9 @@ static inline void _vl_vsss_read_str(FILE* fp, int& floc, WDataInP fromp, const *cp++ = '\0'; // VL_DBG_MSGF(" _read got='"< qowp; VL_SET_WQ(qowp, 0ULL); WDataOutP owp = qowp; if (obits == -1) { // string @@ -1240,7 +1242,7 @@ IData _vl_vsscanf(FILE* fp, // If a fscanf break; } default: { // LCOV_EXCL_START - std::string msg = std::string("Unknown _vl_vsscanf code: ") + pos[0]; + const std::string msg = std::string("Unknown _vl_vsscanf code: ") + pos[0]; VL_FATAL_MT(__FILE__, __LINE__, "", msg.c_str()); break; } // LCOV_EXCL_STOP @@ -1282,7 +1284,7 @@ FILE* VL_CVT_I_FP(IData lhs) VL_MT_SAFE { return Verilated::threadContextp()->impp()->fdToFp(lhs); } -void _vl_vint_to_string(int obits, char* destoutp, WDataInP sourcep) VL_MT_SAFE { +void _vl_vint_to_string(int obits, char* destoutp, const WDataInP sourcep) VL_MT_SAFE { // See also VL_DATA_TO_STRING_NW int lsb = obits - 1; bool start = true; @@ -1303,7 +1305,7 @@ void _vl_vint_to_string(int obits, char* destoutp, WDataInP sourcep) VL_MT_SAFE void _vl_string_to_vint(int obits, void* destp, size_t srclen, const char* srcp) VL_MT_SAFE { // Convert C string to Verilog format - size_t bytes = VL_BYTES_I(obits); + const size_t bytes = VL_BYTES_I(obits); char* op = reinterpret_cast(destp); if (srclen > bytes) srclen = bytes; // Don't overflow destination size_t i = 0; @@ -1315,7 +1317,7 @@ static IData getLine(std::string& str, IData fpi, size_t maxLen) VL_MT_SAFE { str.clear(); // While threadsafe, each thread can only access different file handles - FILE* fp = VL_CVT_I_FP(fpi); + FILE* const fp = VL_CVT_I_FP(fpi); if (VL_UNLIKELY(!fp)) return 0; // We don't use fgets, as we must read \0s. @@ -1331,7 +1333,7 @@ static IData getLine(std::string& str, IData fpi, size_t maxLen) VL_MT_SAFE { IData VL_FGETS_IXI(int obits, void* destp, IData fpi) VL_MT_SAFE { std::string str; const IData bytes = VL_BYTES_I(obits); - IData got = getLine(str, fpi, bytes); + const IData got = getLine(str, fpi, bytes); if (VL_UNLIKELY(str.empty())) return 0; @@ -1351,7 +1353,7 @@ IData VL_FGETS_NI(std::string& dest, IData fpi) VL_MT_SAFE { IData VL_FERROR_IN(IData, std::string& outputr) VL_MT_SAFE { // We ignore lhs/fpi - IEEE says "most recent error" so probably good enough - IData ret = errno; + const IData ret = errno; outputr = std::string(::std::strerror(ret)); return ret; } @@ -1474,47 +1476,47 @@ void VL_FWRITEF(IData fpi, const char* formatp, ...) VL_MT_SAFE { IData VL_FSCANF_IX(IData fpi, const char* formatp, ...) VL_MT_SAFE { // While threadsafe, each thread can only access different file handles - FILE* fp = VL_CVT_I_FP(fpi); + FILE* const fp = VL_CVT_I_FP(fpi); if (VL_UNLIKELY(!fp)) return 0; va_list ap; va_start(ap, formatp); - IData got = _vl_vsscanf(fp, 0, nullptr, "", formatp, ap); + const IData got = _vl_vsscanf(fp, 0, nullptr, "", formatp, ap); va_end(ap); return got; } IData VL_SSCANF_IIX(int lbits, IData ld, const char* formatp, ...) VL_MT_SAFE { - WData fnw[VL_WQ_WORDS_E]; + VlWide fnw; VL_SET_WI(fnw, ld); va_list ap; va_start(ap, formatp); - IData got = _vl_vsscanf(nullptr, lbits, fnw, "", formatp, ap); + const IData got = _vl_vsscanf(nullptr, lbits, fnw, "", formatp, ap); va_end(ap); return got; } IData VL_SSCANF_IQX(int lbits, QData ld, const char* formatp, ...) VL_MT_SAFE { - WData fnw[VL_WQ_WORDS_E]; + VlWide fnw; VL_SET_WQ(fnw, ld); va_list ap; va_start(ap, formatp); - IData got = _vl_vsscanf(nullptr, lbits, fnw, "", formatp, ap); + const IData got = _vl_vsscanf(nullptr, lbits, fnw, "", formatp, ap); va_end(ap); return got; } -IData VL_SSCANF_IWX(int lbits, WDataInP lwp, const char* formatp, ...) VL_MT_SAFE { +IData VL_SSCANF_IWX(int lbits, const WDataInP lwp, const char* formatp, ...) VL_MT_SAFE { va_list ap; va_start(ap, formatp); - IData got = _vl_vsscanf(nullptr, lbits, lwp, "", formatp, ap); + const IData got = _vl_vsscanf(nullptr, lbits, lwp, "", formatp, ap); va_end(ap); return got; } IData VL_SSCANF_INX(int, const std::string& ld, const char* formatp, ...) VL_MT_SAFE { va_list ap; va_start(ap, formatp); - IData got = _vl_vsscanf(nullptr, ld.length() * 8, nullptr, ld, formatp, ap); + const IData got = _vl_vsscanf(nullptr, ld.length() * 8, nullptr, ld, formatp, ap); va_end(ap); return got; } @@ -1522,7 +1524,7 @@ IData VL_SSCANF_INX(int, const std::string& ld, const char* formatp, ...) VL_MT_ IData VL_FREAD_I(int width, int array_lsb, int array_size, void* memp, IData fpi, IData start, IData count) VL_MT_SAFE { // While threadsafe, each thread can only access different file handles - FILE* fp = VL_CVT_I_FP(fpi); + FILE* const fp = VL_CVT_I_FP(fpi); if (VL_UNLIKELY(!fp)) return 0; if (count > (array_size - (start - array_lsb))) count = array_size - (start - array_lsb); // Prep for reading @@ -1572,14 +1574,14 @@ IData VL_FREAD_I(int width, int array_lsb, int array_size, void* memp, IData fpi } IData VL_SYSTEM_IQ(QData lhs) VL_MT_SAFE { - WData lhsw[VL_WQ_WORDS_E]; + VlWide lhsw; VL_SET_WQ(lhsw, lhs); return VL_SYSTEM_IW(VL_WQ_WORDS_E, lhsw); } -IData VL_SYSTEM_IW(int lhswords, WDataInP lhsp) VL_MT_SAFE { +IData VL_SYSTEM_IW(int lhswords, const WDataInP lhsp) VL_MT_SAFE { char filenamez[VL_TO_STRING_MAX_WORDS * VL_EDATASIZE + 1]; _vl_vint_to_string(lhswords * VL_EDATASIZE, filenamez, lhsp); - int code = std::system(filenamez); // Yes, std::system() is threadsafe + const int code = std::system(filenamez); // Yes, std::system() is threadsafe return code >> 8; // Want exit status } @@ -1707,7 +1709,7 @@ std::string VL_TO_STRING(CData lhs) { return VL_SFORMATF_NX("'h%0x", 8, lhs); } std::string VL_TO_STRING(SData lhs) { return VL_SFORMATF_NX("'h%0x", 16, lhs); } std::string VL_TO_STRING(IData lhs) { return VL_SFORMATF_NX("'h%0x", 32, lhs); } std::string VL_TO_STRING(QData lhs) { return VL_SFORMATF_NX("'h%0x", 64, lhs); } -std::string VL_TO_STRING_W(int words, WDataInP obj) { +std::string VL_TO_STRING_W(int words, const WDataInP obj) { return VL_SFORMATF_NX("'h%0x", words * VL_EDATASIZE, obj); } @@ -1722,7 +1724,7 @@ std::string VL_TOUPPER_NN(const std::string& ld) VL_MT_SAFE { return out; } -std::string VL_CVT_PACK_STR_NW(int lwords, WDataInP lwp) VL_MT_SAFE { +std::string VL_CVT_PACK_STR_NW(int lwords, const WDataInP lwp) VL_MT_SAFE { // See also _vl_vint_to_string char destout[VL_TO_STRING_MAX_WORDS * VL_EDATASIZE + 1]; int obits = lwords * VL_EDATASIZE; @@ -1804,7 +1806,7 @@ static const char* formatBinary(int nBits, vluint32_t bits) { static VL_THREAD_LOCAL char t_buf[64]; for (int i = 0; i < nBits; i++) { - bool isOne = bits & (1 << (nBits - 1 - i)); + const bool isOne = bits & (1 << (nBits - 1 - i)); t_buf[i] = (isOne ? '1' : '0'); } t_buf[nBits] = '\0'; @@ -1885,7 +1887,7 @@ bool VlReadMem::get(QData& addrr, std::string& valuer) { // Check for hex or binary digits as file format requests else if (std::isxdigit(c) || (!reading_addr && (c == 'x' || c == 'X'))) { c = std::tolower(c); - int value + const int value = (c >= 'a' ? (c == 'x' ? VL_RAND_RESET_I(4) : (c - 'a' + 10)) : (c - '0')); if (reading_addr) { // Decode @ addresses @@ -1914,12 +1916,13 @@ bool VlReadMem::get(QData& addrr, std::string& valuer) { return false; // EOF } void VlReadMem::setData(void* valuep, const std::string& rhs) { - QData shift = m_hex ? 4ULL : 1ULL; + const QData shift = m_hex ? 4ULL : 1ULL; bool innum = false; // Shift value in for (const auto& i : rhs) { - char c = std::tolower(i); - int value = (c >= 'a' ? (c == 'x' ? VL_RAND_RESET_I(4) : (c - 'a' + 10)) : (c - '0')); + const char c = std::tolower(i); + const int value + = (c >= 'a' ? (c == 'x' ? VL_RAND_RESET_I(4) : (c - 'a' + 10)) : (c - '0')); if (m_bits <= 8) { CData* datap = reinterpret_cast(valuep); if (!innum) *datap = 0; @@ -2001,9 +2004,9 @@ void VlWriteMem::print(QData addr, bool addrstamp, const void* valuep) { } } else if (m_bits <= 64) { const QData* datap = reinterpret_cast(valuep); - vluint64_t value = VL_MASK_Q(m_bits) & *datap; - vluint32_t lo = value & 0xffffffff; - vluint32_t hi = value >> 32; + const vluint64_t value = VL_MASK_Q(m_bits) & *datap; + const vluint32_t lo = value & 0xffffffff; + const vluint32_t hi = value >> 32; if (m_hex) { fprintf(m_fp, memhFormat(m_bits - 32), hi); fprintf(m_fp, "%08x\n", lo); @@ -2012,7 +2015,7 @@ void VlWriteMem::print(QData addr, bool addrstamp, const void* valuep) { fprintf(m_fp, "%s\n", formatBinary(32, lo)); } } else { - WDataInP datap = reinterpret_cast(valuep); + const WDataInP datap = reinterpret_cast(valuep); // output as a sequence of VL_EDATASIZE'd words // from MSB to LSB. Mask off the MSB word which could // contain junk above the top of valid data. @@ -2022,7 +2025,7 @@ void VlWriteMem::print(QData addr, bool addrstamp, const void* valuep) { EData data = datap[word_idx]; if (first) { data &= VL_MASK_E(m_bits); - int top_word_nbits = VL_BITBIT_E(m_bits - 1) + 1; + const int top_word_nbits = VL_BITBIT_E(m_bits - 1) + 1; if (m_hex) { fprintf(m_fp, memhFormat(top_word_nbits), data); } else { @@ -2108,7 +2111,7 @@ void VL_WRITEMEM_N(bool hex, // Hex format, else binary if (VL_UNLIKELY(!wmem.isOpen())) return; for (QData addr = start; addr <= end; ++addr) { - QData row_offset = addr - array_lsb; + const QData row_offset = addr - array_lsb; if (bits <= 8) { const CData* datap = &(reinterpret_cast(memp))[row_offset]; wmem.print(addr, false, datap); @@ -2122,8 +2125,8 @@ void VL_WRITEMEM_N(bool hex, // Hex format, else binary const QData* datap = &(reinterpret_cast(memp))[row_offset]; wmem.print(addr, false, datap); } else { - WDataInP memDatap = reinterpret_cast(memp); - WDataInP datap = &memDatap[row_offset * VL_WORDS_I(bits)]; + const WDataInP memDatap = reinterpret_cast(memp); + const WDataInP datap = &memDatap[row_offset * VL_WORDS_I(bits)]; wmem.print(addr, false, datap); } } @@ -2351,7 +2354,7 @@ void VerilatedContext::timeprecision(int value) VL_MT_SAFE { const VerilatedLockGuard lock(m_mutex); m_s.m_timeprecision = value; #ifdef SYSTEMC_VERSION - sc_time sc_res = sc_get_time_resolution(); + const sc_time sc_res = sc_get_time_resolution(); int sc_prec = 99; if (sc_res == sc_time(1, SC_SEC)) { sc_prec = 0; @@ -2373,7 +2376,7 @@ void VerilatedContext::timeprecision(int value) VL_MT_SAFE { << ". Suggest use 'sc_set_time_resolution(" << vl_time_str(value) << ")', or Verilator '--timescale-override " << vl_time_str(sc_prec) << "/" << vl_time_str(sc_prec) << "'"; - std::string msgs = msg.str(); + const std::string msgs = msg.str(); VL_FATAL_MT("", 0, "", msgs.c_str()); } #endif @@ -2434,7 +2437,7 @@ std::string VerilatedContextImp::argPlusMatch(const char* prefixp) VL_MT_SAFE_EXCLUDES(m_argMutex) { const VerilatedLockGuard lock(m_argMutex); // Note prefixp does not include the leading "+" - size_t len = std::strlen(prefixp); + const size_t len = std::strlen(prefixp); if (VL_UNLIKELY(!m_args.m_argVecLoaded)) { m_args.m_argVecLoaded = true; // Complain only once VL_FATAL_MT("unknown", 0, "", @@ -2511,7 +2514,7 @@ void VerilatedContextImp::commandArgVl(const std::string& arg) { } bool VerilatedContextImp::commandArgVlValue(const std::string& arg, const std::string& prefix, std::string& valuer) { - size_t len = prefix.length(); + const size_t len = prefix.length(); if (0 == std::strncmp(prefix.c_str(), arg.c_str(), len)) { valuer = arg.substr(len); return true; @@ -2528,7 +2531,7 @@ void VerilatedContext::randSeed(int val) VL_MT_SAFE { // and so the rand seed's mutex must also be static const VerilatedLockGuard lock(VerilatedContextImp::s().s_randMutex); m_s.m_randSeed = val; - vluint64_t newEpoch = VerilatedContextImp::s().s_randSeedEpoch + 1; + const vluint64_t newEpoch = VerilatedContextImp::s().s_randSeedEpoch + 1; // Obververs must see new epoch AFTER seed updated #ifdef VL_THREADED std::atomic_signal_fence(std::memory_order_release); @@ -2623,7 +2626,7 @@ const char* Verilated::catName(const char* n1, const char* n2, int scopet, // Used by symbol table creation to make module names static VL_THREAD_LOCAL char* t_strp = nullptr; static VL_THREAD_LOCAL size_t t_len = 0; - size_t newlen + const size_t newlen = std::strlen(n1) + std::strlen(n2) + std::strlen(delimiter) + (scopet > 0 ? 2 : 1); if (VL_UNLIKELY(!t_strp || newlen > t_len)) { if (t_strp) delete[] t_strp; @@ -2726,8 +2729,8 @@ void Verilated::nullPointerError(const char* filename, int linenum) VL_MT_SAFE { void Verilated::overWidthError(const char* signame) VL_MT_SAFE { // Slowpath - Called only when signal sets too high of a bit - std::string msg = (std::string("Testbench C set input '") + signame - + "' to value that overflows what the signal's width can fit"); + const std::string msg = (std::string("Testbench C set input '") + signame + + "' to value that overflows what the signal's width can fit"); VL_FATAL_MT("unknown", 0, "", msg.c_str()); VL_UNREACHABLE } @@ -2889,8 +2892,8 @@ void VerilatedScope::varInsert(int finalize, const char* namep, void* datap, boo va_list ap; va_start(ap, dims); for (int i = 0; i < dims; ++i) { - int msb = va_arg(ap, int); - int lsb = va_arg(ap, int); + const int msb = va_arg(ap, int); + const int lsb = va_arg(ap, int); if (i == 0) { var.m_packed.m_left = msb; var.m_packed.m_right = lsb; @@ -2921,18 +2924,20 @@ VerilatedVar* VerilatedScope::varFind(const char* namep) const VL_MT_SAFE_POSTIN void* VerilatedScope::exportFindNullError(int funcnum) VL_MT_SAFE { // Slowpath - Called only when find has failed - std::string msg = (std::string("Testbench C called '") + VerilatedImp::exportName(funcnum) - + "' but scope wasn't set, perhaps due to dpi import call without " - + "'context', or missing svSetScope. See IEEE 1800-2017 35.5.3."); + const std::string msg + = (std::string("Testbench C called '") + VerilatedImp::exportName(funcnum) + + "' but scope wasn't set, perhaps due to dpi import call without " + + "'context', or missing svSetScope. See IEEE 1800-2017 35.5.3."); VL_FATAL_MT("unknown", 0, "", msg.c_str()); return nullptr; } void* VerilatedScope::exportFindError(int funcnum) const { // Slowpath - Called only when find has failed - std::string msg = (std::string("Testbench C called '") + VerilatedImp::exportName(funcnum) - + "' but this DPI export function exists only in other scopes, not scope '" - + name() + "'"); + const std::string msg + = (std::string("Testbench C called '") + VerilatedImp::exportName(funcnum) + + "' but this DPI export function exists only in other scopes, not scope '" + name() + + "'"); VL_FATAL_MT("unknown", 0, "", msg.c_str()); return nullptr; } diff --git a/include/verilated.h b/include/verilated.h index fcd87fb8d..cb375d27c 100644 --- a/include/verilated.h +++ b/include/verilated.h @@ -283,8 +283,6 @@ public: #define VL_OUT(name, msb, lsb) IData name ///< Declare output signal, 17-32 bits #define VL_OUTW(name, msb, lsb, words) WData name[words] ///< Declare output signal, 65+ bits -#define VL_CELL(instname, type) ///< Declare a cell, ala SP_CELL - ///< Declare a module, ala SC_MODULE #define VL_MODULE(modname) class modname VL_NOT_FINAL : public VerilatedModule // Not class final in VL_MODULE, as users might be abstracting our models (--hierarchical) @@ -972,7 +970,7 @@ inline QData VL_RDTSC_Q() { extern void VL_PRINTTIMESCALE(const char* namep, const char* timeunitp, const VerilatedContext* contextp) VL_MT_SAFE; -extern WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, +extern WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP const lwp, WDataInP const rwp, bool is_modulus); extern IData VL_FGETS_IXI(int obits, void* destp, IData fpi); @@ -991,7 +989,7 @@ extern void VL_FWRITEF(IData fpi, const char* formatp, ...); extern IData VL_FSCANF_IX(IData fpi, const char* formatp, ...); extern IData VL_SSCANF_IIX(int lbits, IData ld, const char* formatp, ...); extern IData VL_SSCANF_IQX(int lbits, QData ld, const char* formatp, ...); -extern IData VL_SSCANF_IWX(int lbits, WDataInP lwp, const char* formatp, ...); +extern IData VL_SSCANF_IWX(int lbits, WDataInP const lwp, const char* formatp, ...); extern void VL_SFORMAT_X(int obits, CData& destr, const char* formatp, ...); extern void VL_SFORMAT_X(int obits, SData& destr, const char* formatp, ...); @@ -999,7 +997,7 @@ extern void VL_SFORMAT_X(int obits, IData& destr, const char* formatp, ...); extern void VL_SFORMAT_X(int obits, QData& destr, const char* formatp, ...); extern void VL_SFORMAT_X(int obits, void* destp, const char* formatp, ...); -extern IData VL_SYSTEM_IW(int lhswords, WDataInP lhsp); +extern IData VL_SYSTEM_IW(int lhswords, WDataInP const lhsp); extern IData VL_SYSTEM_IQ(QData lhs); inline IData VL_SYSTEM_II(IData lhs) VL_MT_SAFE { return VL_SYSTEM_IQ(lhs); } @@ -1069,7 +1067,7 @@ static inline QData VL_CVT_Q_D(double lhs) VL_PURE { // clang-format on // Return double from lhs (numeric) unsigned -double VL_ITOR_D_W(int lbits, WDataInP lwp) VL_PURE; +double VL_ITOR_D_W(int lbits, WDataInP const lwp) VL_PURE; static inline double VL_ITOR_D_I(int, IData lhs) VL_PURE { return static_cast(static_cast(lhs)); } @@ -1077,7 +1075,7 @@ static inline double VL_ITOR_D_Q(int, QData lhs) VL_PURE { return static_cast(static_cast(lhs)); } // Return double from lhs (numeric) signed -double VL_ISTOR_D_W(int lbits, WDataInP lwp) VL_PURE; +double VL_ISTOR_D_W(int lbits, WDataInP const lwp) VL_PURE; static inline double VL_ISTOR_D_I(int lbits, IData lhs) VL_PURE { if (lbits == 32) return static_cast(static_cast(lhs)); WData lwp[VL_WQ_WORDS_E]; @@ -1114,7 +1112,7 @@ static inline QData VL_EXTENDSIGN_Q(int lbits, QData lhs) VL_PURE { } // Debugging prints -extern void _vl_debug_print_w(int lbits, WDataInP iwp); +extern void _vl_debug_print_w(int lbits, WDataInP const iwp); //========================================================================= // Pli macros @@ -1223,23 +1221,23 @@ vluint64_t vl_time_pow10(int n) VL_PURE; // EMIT_RULE: VL_ASSIGNCLEAN: oclean=clean; obits==lbits; #define VL_ASSIGNCLEAN_W(obits, owp, lwp) VL_CLEAN_WW((obits), (obits), (owp), (lwp)) static inline WDataOutP _vl_clean_inplace_w(int obits, WDataOutP owp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); + const int words = VL_WORDS_I(obits); owp[words - 1] &= VL_MASK_E(obits); return owp; } -static inline WDataOutP VL_CLEAN_WW(int obits, int, WDataOutP owp, WDataInP lwp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); +static inline WDataOutP VL_CLEAN_WW(int obits, int, WDataOutP owp, WDataInP const lwp) VL_MT_SAFE { + const int words = VL_WORDS_I(obits); for (int i = 0; (i < (words - 1)); ++i) owp[i] = lwp[i]; owp[words - 1] = lwp[words - 1] & VL_MASK_E(obits); return owp; } static inline WDataOutP VL_ZERO_W(int obits, WDataOutP owp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); + const int words = VL_WORDS_I(obits); for (int i = 0; i < words; ++i) owp[i] = 0; return owp; } static inline WDataOutP VL_ALLONES_W(int obits, WDataOutP owp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); + const int words = VL_WORDS_I(obits); for (int i = 0; i < (words - 1); ++i) owp[i] = ~VL_EUL(0); owp[words - 1] = VL_MASK_E(obits); return owp; @@ -1248,8 +1246,8 @@ static inline WDataOutP VL_ALLONES_W(int obits, WDataOutP owp) VL_MT_SAFE { // EMIT_RULE: VL_ASSIGN: oclean=rclean; obits==lbits; // For now, we always have a clean rhs. // Note: If a ASSIGN isn't clean, use VL_ASSIGNCLEAN instead to do the same thing. -static inline WDataOutP VL_ASSIGN_W(int obits, WDataOutP owp, WDataInP lwp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); +static inline WDataOutP VL_ASSIGN_W(int obits, WDataOutP owp, WDataInP const lwp) VL_MT_SAFE { + const int words = VL_WORDS_I(obits); for (int i = 0; i < words; ++i) owp[i] = lwp[i]; return owp; } @@ -1286,7 +1284,7 @@ static inline void VL_ASSIGNBIT_QO(int, int bit, QData& lhsr, IData) VL_PURE { lhsr = (lhsr | (1ULL << VL_BITBIT_Q(bit))); } static inline void VL_ASSIGNBIT_WO(int, int bit, WDataOutP owp, IData) VL_MT_SAFE { - EData orig = owp[VL_BITWORD_E(bit)]; + const EData orig = owp[VL_BITWORD_E(bit)]; owp[VL_BITWORD_E(bit)] = (orig | (VL_EUL(1) << VL_BITBIT_E(bit))); } @@ -1310,7 +1308,7 @@ static inline void VL_ASSIGNBIT_WO(int, int bit, WDataOutP owp, IData) VL_MT_SAF } #define VL_ASSIGN_WSW(obits, owp, svar) \ { \ - int words = VL_WORDS_I(obits); \ + const int words = VL_WORDS_I(obits); \ for (int i = 0; i < words; ++i) (owp)[i] = (svar).read().get_word(i); \ (owp)[words - 1] &= VL_MASK_E(obits); \ } @@ -1321,7 +1319,7 @@ static inline void VL_ASSIGNBIT_WO(int, int bit, WDataOutP owp, IData) VL_MT_SAF { (vvar) = VL_CLEAN_QQ((obits), (obits), (svar).read().to_uint64()); } #define VL_ASSIGN_WSB(obits, owp, svar) \ { \ - int words = VL_WORDS_I(obits); \ + const int words = VL_WORDS_I(obits); \ sc_biguint<(obits)> _butemp = (svar).read(); \ for (int i = 0; i < words; ++i) { \ int msb = ((i + 1) * VL_IDATASIZE) - 1; \ @@ -1401,7 +1399,7 @@ static inline WDataOutP VL_EXTEND_WQ(int obits, int, WDataOutP owp, QData ld) VL return owp; } static inline WDataOutP VL_EXTEND_WW(int obits, int lbits, WDataOutP owp, - WDataInP lwp) VL_MT_SAFE { + WDataInP const lwp) VL_MT_SAFE { for (int i = 0; i < VL_WORDS_I(lbits); ++i) owp[i] = lwp[i]; for (int i = VL_WORDS_I(lbits); i < VL_WORDS_I(obits); ++i) owp[i] = 0; return owp; @@ -1420,23 +1418,23 @@ static inline QData VL_EXTENDS_QQ(int, int lbits, QData lhs) VL_PURE { } static inline WDataOutP VL_EXTENDS_WI(int obits, int lbits, WDataOutP owp, IData ld) VL_MT_SAFE { - EData sign = VL_SIGNONES_E(lbits, static_cast(ld)); + const EData sign = VL_SIGNONES_E(lbits, static_cast(ld)); owp[0] = ld | (sign & ~VL_MASK_E(lbits)); for (int i = 1; i < VL_WORDS_I(obits); ++i) owp[i] = sign; return owp; } static inline WDataOutP VL_EXTENDS_WQ(int obits, int lbits, WDataOutP owp, QData ld) VL_MT_SAFE { VL_SET_WQ(owp, ld); - EData sign = VL_SIGNONES_E(lbits, owp[1]); + const EData sign = VL_SIGNONES_E(lbits, owp[1]); owp[1] |= sign & ~VL_MASK_E(lbits); for (int i = VL_WQ_WORDS_E; i < VL_WORDS_I(obits); ++i) owp[i] = sign; return owp; } static inline WDataOutP VL_EXTENDS_WW(int obits, int lbits, WDataOutP owp, - WDataInP lwp) VL_MT_SAFE { + WDataInP const lwp) VL_MT_SAFE { for (int i = 0; i < VL_WORDS_I(lbits) - 1; ++i) owp[i] = lwp[i]; - int lmsw = VL_WORDS_I(lbits) - 1; - EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]); + const int lmsw = VL_WORDS_I(lbits) - 1; + const EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]); owp[lmsw] = lwp[lmsw] | (sign & ~VL_MASK_E(lbits)); for (int i = VL_WORDS_I(lbits); i < VL_WORDS_I(obits); ++i) owp[i] = sign; return owp; @@ -1448,8 +1446,8 @@ static inline WDataOutP VL_EXTENDS_WW(int obits, int lbits, WDataOutP owp, // EMIT_RULE: VL_REDAND: oclean=clean; lclean==clean; obits=1; #define VL_REDAND_II(obits, lbits, lhs) ((lhs) == VL_MASK_I(lbits)) #define VL_REDAND_IQ(obits, lbits, lhs) ((lhs) == VL_MASK_Q(lbits)) -static inline IData VL_REDAND_IW(int, int lbits, WDataInP lwp) VL_MT_SAFE { - int words = VL_WORDS_I(lbits); +static inline IData VL_REDAND_IW(int, int lbits, WDataInP const lwp) VL_MT_SAFE { + const int words = VL_WORDS_I(lbits); EData combine = lwp[0]; for (int i = 1; i < words - 1; ++i) combine &= lwp[i]; combine &= ~VL_MASK_E(lbits) | lwp[words - 1]; @@ -1459,7 +1457,7 @@ static inline IData VL_REDAND_IW(int, int lbits, WDataInP lwp) VL_MT_SAFE { // EMIT_RULE: VL_REDOR: oclean=clean; lclean==clean; obits=1; #define VL_REDOR_I(lhs) ((lhs) != 0) #define VL_REDOR_Q(lhs) ((lhs) != 0) -static inline IData VL_REDOR_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_REDOR_W(int words, WDataInP const lwp) VL_MT_SAFE { EData equal = 0; for (int i = 0; i < words; ++i) equal |= lwp[i]; return (equal != 0); @@ -1526,7 +1524,7 @@ static inline IData VL_REDXOR_64(QData r) VL_PURE { return static_cast(r); #endif } -static inline IData VL_REDXOR_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_REDXOR_W(int words, WDataInP const lwp) VL_MT_SAFE { EData r = lwp[0]; for (int i = 1; i < words; ++i) r ^= lwp[i]; return VL_REDXOR_32(r); @@ -1545,7 +1543,7 @@ static inline IData VL_COUNTONES_Q(QData lhs) VL_PURE { return VL_COUNTONES_I(static_cast(lhs)) + VL_COUNTONES_I(static_cast(lhs >> 32)); } #define VL_COUNTONES_E VL_COUNTONES_I -static inline IData VL_COUNTONES_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_COUNTONES_W(int words, WDataInP const lwp) VL_MT_SAFE { EData r = 0; for (int i = 0; i < words; ++i) r += VL_COUNTONES_E(lwp[i]); return r; @@ -1570,8 +1568,8 @@ static inline IData VL_COUNTBITS_Q(int lbits, QData lhs, IData ctrl0, IData ctrl + VL_COUNTBITS_I(lbits - 32, static_cast(lhs >> 32), ctrl0, ctrl1, ctrl2); } #define VL_COUNTBITS_E VL_COUNTBITS_I -static inline IData VL_COUNTBITS_W(int lbits, int words, WDataInP lwp, IData ctrl0, IData ctrl1, - IData ctrl2) VL_MT_SAFE { +static inline IData VL_COUNTBITS_W(int lbits, int words, WDataInP const lwp, IData ctrl0, + IData ctrl1, IData ctrl2) VL_MT_SAFE { EData r = 0; IData wordLbits = 32; for (int i = 0; i < words; ++i) { @@ -1587,7 +1585,7 @@ static inline IData VL_ONEHOT_I(IData lhs) VL_PURE { static inline IData VL_ONEHOT_Q(QData lhs) VL_PURE { return (((lhs & (lhs - 1)) == 0) & (lhs != 0)); } -static inline IData VL_ONEHOT_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_ONEHOT_W(int words, WDataInP const lwp) VL_MT_SAFE { EData one = 0; for (int i = 0; (i < words); ++i) { if (lwp[i]) { @@ -1601,7 +1599,7 @@ static inline IData VL_ONEHOT_W(int words, WDataInP lwp) VL_MT_SAFE { static inline IData VL_ONEHOT0_I(IData lhs) VL_PURE { return ((lhs & (lhs - 1)) == 0); } static inline IData VL_ONEHOT0_Q(QData lhs) VL_PURE { return ((lhs & (lhs - 1)) == 0); } -static inline IData VL_ONEHOT0_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_ONEHOT0_W(int words, WDataInP const lwp) VL_MT_SAFE { bool one = false; for (int i = 0; (i < words); ++i) { if (lwp[i]) { @@ -1628,7 +1626,7 @@ static inline IData VL_CLOG2_Q(QData lhs) VL_PURE { for (; lhs != 0; ++shifts) lhs = lhs >> 1ULL; return shifts; } -static inline IData VL_CLOG2_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_CLOG2_W(int words, WDataInP const lwp) VL_MT_SAFE { EData adjust = (VL_COUNTONES_W(words, lwp) == 1) ? 0 : 1; for (int i = words - 1; i >= 0; --i) { if (VL_UNLIKELY(lwp[i])) { // Shorter worst case if predict not taken @@ -1643,7 +1641,7 @@ static inline IData VL_CLOG2_W(int words, WDataInP lwp) VL_MT_SAFE { return 0; } -static inline IData VL_MOSTSETBITP1_W(int words, WDataInP lwp) VL_MT_SAFE { +static inline IData VL_MOSTSETBITP1_W(int words, WDataInP const lwp) VL_MT_SAFE { // MSB set bit plus one; similar to FLS. 0=value is zero for (int i = words - 1; i >= 0; --i) { if (VL_UNLIKELY(lwp[i])) { // Shorter worst case if predict not taken @@ -1660,28 +1658,31 @@ static inline IData VL_MOSTSETBITP1_W(int words, WDataInP lwp) VL_MT_SAFE { // SIMPLE LOGICAL OPERATORS // EMIT_RULE: VL_AND: oclean=lclean||rclean; obits=lbits; lbits==rbits; -static inline WDataOutP VL_AND_W(int words, WDataOutP owp, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_AND_W(int words, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { for (int i = 0; (i < words); ++i) owp[i] = (lwp[i] & rwp[i]); return owp; } // EMIT_RULE: VL_OR: oclean=lclean&&rclean; obits=lbits; lbits==rbits; -static inline WDataOutP VL_OR_W(int words, WDataOutP owp, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_OR_W(int words, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { for (int i = 0; (i < words); ++i) owp[i] = (lwp[i] | rwp[i]); return owp; } // EMIT_RULE: VL_CHANGEXOR: oclean=1; obits=32; lbits==rbits; -static inline IData VL_CHANGEXOR_W(int words, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline IData VL_CHANGEXOR_W(int words, WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { IData od = 0; for (int i = 0; (i < words); ++i) od |= (lwp[i] ^ rwp[i]); return od; } // EMIT_RULE: VL_XOR: oclean=lclean&&rclean; obits=lbits; lbits==rbits; -static inline WDataOutP VL_XOR_W(int words, WDataOutP owp, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_XOR_W(int words, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { for (int i = 0; (i < words); ++i) owp[i] = (lwp[i] ^ rwp[i]); return owp; } // EMIT_RULE: VL_NOT: oclean=dirty; obits=lbits; -static inline WDataOutP VL_NOT_W(int words, WDataOutP owp, WDataInP lwp) VL_MT_SAFE { +static inline WDataOutP VL_NOT_W(int words, WDataOutP owp, WDataInP const lwp) VL_MT_SAFE { for (int i = 0; i < words; ++i) owp[i] = ~(lwp[i]); return owp; } @@ -1702,14 +1703,14 @@ static inline WDataOutP VL_NOT_W(int words, WDataOutP owp, WDataInP lwp) VL_MT_S #define VL_GTE_W(words, lwp, rwp) (_vl_cmp_w(words, lwp, rwp) >= 0) // Output clean, AND MUST BE CLEAN -static inline IData VL_EQ_W(int words, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline IData VL_EQ_W(int words, WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { EData nequal = 0; for (int i = 0; (i < words); ++i) nequal |= (lwp[i] ^ rwp[i]); return (nequal == 0); } // Internal usage -static inline int _vl_cmp_w(int words, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline int _vl_cmp_w(int words, WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { for (int i = words - 1; i >= 0; --i) { if (lwp[i] > rwp[i]) return 1; if (lwp[i] < rwp[i]) return -1; @@ -1725,55 +1726,55 @@ static inline int _vl_cmp_w(int words, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { static inline IData VL_GTS_III(int, int lbits, int, IData lhs, IData rhs) VL_PURE { // For lbits==32, this becomes just a single instruction, otherwise ~5. // GCC 3.3.4 sign extension bugs on AMD64 architecture force us to use quad logic - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc return lhs_signed > rhs_signed; } static inline IData VL_GTS_IQQ(int, int lbits, int, QData lhs, QData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); return lhs_signed > rhs_signed; } static inline IData VL_GTES_III(int, int lbits, int, IData lhs, IData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc return lhs_signed >= rhs_signed; } static inline IData VL_GTES_IQQ(int, int lbits, int, QData lhs, QData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); return lhs_signed >= rhs_signed; } static inline IData VL_LTS_III(int, int lbits, int, IData lhs, IData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc return lhs_signed < rhs_signed; } static inline IData VL_LTS_IQQ(int, int lbits, int, QData lhs, QData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); return lhs_signed < rhs_signed; } static inline IData VL_LTES_III(int, int lbits, int, IData lhs, IData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); // Q for gcc + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); // Q for gcc return lhs_signed <= rhs_signed; } static inline IData VL_LTES_IQQ(int, int lbits, int, QData lhs, QData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); return lhs_signed <= rhs_signed; } -static inline int _vl_cmps_w(int lbits, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { - int words = VL_WORDS_I(lbits); +static inline int _vl_cmps_w(int lbits, WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { + const int words = VL_WORDS_I(lbits); int i = words - 1; // We need to flip sense if negative comparison - EData lsign = VL_SIGN_E(lbits, lwp[i]); - EData rsign = VL_SIGN_E(lbits, rwp[i]); + const EData lsign = VL_SIGN_E(lbits, lwp[i]); + const EData rsign = VL_SIGN_E(lbits, rwp[i]); if (!lsign && rsign) return 1; // + > - if (lsign && !rsign) return -1; // - < + for (; i >= 0; --i) { @@ -1787,7 +1788,7 @@ static inline int _vl_cmps_w(int lbits, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { // Math // Output NOT clean -static inline WDataOutP VL_NEGATE_W(int words, WDataOutP owp, WDataInP lwp) VL_MT_SAFE { +static inline WDataOutP VL_NEGATE_W(int words, WDataOutP owp, WDataInP const lwp) VL_MT_SAFE { EData carry = 1; for (int i = 0; i < words; ++i) { owp[i] = ~lwp[i] + carry; @@ -1814,7 +1815,8 @@ static inline void VL_NEGATE_INPLACE_W(int words, WDataOutP owp_lwp) VL_MT_SAFE #define VL_MODDIV_QQQ(lbits, lhs, rhs) (((rhs) == 0) ? 0 : (lhs) % (rhs)) #define VL_MODDIV_WWW(lbits, owp, lwp, rwp) (_vl_moddiv_w(lbits, owp, lwp, rwp, 1)) -static inline WDataOutP VL_ADD_W(int words, WDataOutP owp, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_ADD_W(int words, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { QData carry = 0; for (int i = 0; i < words; ++i) { carry = carry + static_cast(lwp[i]) + static_cast(rwp[i]); @@ -1825,7 +1827,8 @@ static inline WDataOutP VL_ADD_W(int words, WDataOutP owp, WDataInP lwp, WDataIn return owp; } -static inline WDataOutP VL_SUB_W(int words, WDataOutP owp, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_SUB_W(int words, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { QData carry = 0; for (int i = 0; i < words; ++i) { carry = (carry + static_cast(lwp[i]) @@ -1838,7 +1841,8 @@ static inline WDataOutP VL_SUB_W(int words, WDataOutP owp, WDataInP lwp, WDataIn return owp; } -static inline WDataOutP VL_MUL_W(int words, WDataOutP owp, WDataInP lwp, WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_MUL_W(int words, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { for (int i = 0; i < words; ++i) owp[i] = 0; for (int lword = 0; lword < words; ++lword) { for (int rword = 0; rword < words; ++rword) { @@ -1855,19 +1859,19 @@ static inline WDataOutP VL_MUL_W(int words, WDataOutP owp, WDataInP lwp, WDataIn } static inline IData VL_MULS_III(int, int lbits, int, IData lhs, IData rhs) VL_PURE { - vlsint32_t lhs_signed = VL_EXTENDS_II(32, lbits, lhs); - vlsint32_t rhs_signed = VL_EXTENDS_II(32, lbits, rhs); + const vlsint32_t lhs_signed = VL_EXTENDS_II(32, lbits, lhs); + const vlsint32_t rhs_signed = VL_EXTENDS_II(32, lbits, rhs); return lhs_signed * rhs_signed; } static inline QData VL_MULS_QQQ(int, int lbits, int, QData lhs, QData rhs) VL_PURE { - vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(64, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(64, lbits, rhs); return lhs_signed * rhs_signed; } -static inline WDataOutP VL_MULS_WWW(int, int lbits, int, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { - int words = VL_WORDS_I(lbits); +static inline WDataOutP VL_MULS_WWW(int, int lbits, int, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { + const int words = VL_WORDS_I(lbits); // cppcheck-suppress variableScope WData lwstore[VL_MULS_MAX_WORDS]; // Fixed size, as MSVC++ doesn't allow [words] here // cppcheck-suppress variableScope @@ -1907,38 +1911,38 @@ static inline IData VL_DIVS_III(int lbits, IData lhs, IData rhs) VL_PURE { if (VL_UNLIKELY(rhs == 0)) return 0; // -MAX / -1 cannot be represented in twos complement, and will cause SIGFPE if (VL_UNLIKELY(lhs == 0x80000000 && rhs == 0xffffffff)) return 0; - vlsint32_t lhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, lhs); - vlsint32_t rhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, rhs); + const vlsint32_t lhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, lhs); + const vlsint32_t rhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, rhs); return lhs_signed / rhs_signed; } static inline QData VL_DIVS_QQQ(int lbits, QData lhs, QData rhs) VL_PURE { if (VL_UNLIKELY(rhs == 0)) return 0; // -MAX / -1 cannot be represented in twos complement, and will cause SIGFPE if (VL_UNLIKELY(lhs == 0x8000000000000000ULL && rhs == 0xffffffffffffffffULL)) return 0; - vlsint64_t lhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, rhs); return lhs_signed / rhs_signed; } static inline IData VL_MODDIVS_III(int lbits, IData lhs, IData rhs) VL_PURE { if (VL_UNLIKELY(rhs == 0)) return 0; if (VL_UNLIKELY(lhs == 0x80000000 && rhs == 0xffffffff)) return 0; - vlsint32_t lhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, lhs); - vlsint32_t rhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, rhs); + const vlsint32_t lhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, lhs); + const vlsint32_t rhs_signed = VL_EXTENDS_II(VL_IDATASIZE, lbits, rhs); return lhs_signed % rhs_signed; } static inline QData VL_MODDIVS_QQQ(int lbits, QData lhs, QData rhs) VL_PURE { if (VL_UNLIKELY(rhs == 0)) return 0; if (VL_UNLIKELY(lhs == 0x8000000000000000ULL && rhs == 0xffffffffffffffffULL)) return 0; - vlsint64_t lhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, lhs); - vlsint64_t rhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, rhs); + const vlsint64_t lhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, lhs); + const vlsint64_t rhs_signed = VL_EXTENDS_QQ(VL_QUADSIZE, lbits, rhs); return lhs_signed % rhs_signed; } -static inline WDataOutP VL_DIVS_WWW(int lbits, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { - int words = VL_WORDS_I(lbits); - EData lsign = VL_SIGN_E(lbits, lwp[words - 1]); - EData rsign = VL_SIGN_E(lbits, rwp[words - 1]); +static inline WDataOutP VL_DIVS_WWW(int lbits, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { + const int words = VL_WORDS_I(lbits); + const EData lsign = VL_SIGN_E(lbits, lwp[words - 1]); + const EData rsign = VL_SIGN_E(lbits, rwp[words - 1]); // cppcheck-suppress variableScope WData lwstore[VL_MULS_MAX_WORDS]; // Fixed size, as MSVC++ doesn't allow [words] here // cppcheck-suppress variableScope @@ -1956,11 +1960,11 @@ static inline WDataOutP VL_DIVS_WWW(int lbits, WDataOutP owp, WDataInP lwp, return VL_DIV_WWW(lbits, owp, ltup, rtup); } } -static inline WDataOutP VL_MODDIVS_WWW(int lbits, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { - int words = VL_WORDS_I(lbits); - EData lsign = VL_SIGN_E(lbits, lwp[words - 1]); - EData rsign = VL_SIGN_E(lbits, rwp[words - 1]); +static inline WDataOutP VL_MODDIVS_WWW(int lbits, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp) VL_MT_SAFE { + const int words = VL_WORDS_I(lbits); + const EData lsign = VL_SIGN_E(lbits, lwp[words - 1]); + const EData rsign = VL_SIGN_E(lbits, rwp[words - 1]); // cppcheck-suppress variableScope WData lwstore[VL_MULS_MAX_WORDS]; // Fixed size, as MSVC++ doesn't allow [words] here // cppcheck-suppress variableScope @@ -2007,9 +2011,10 @@ static inline QData VL_POW_QQQ(int, int, int rbits, QData lhs, QData rhs) VL_PUR } return out; } -WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, WDataInP rwp); -WDataOutP VL_POW_WWQ(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, QData rhs); -QData VL_POW_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp); +WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp); +WDataOutP VL_POW_WWQ(int obits, int, int rbits, WDataOutP owp, WDataInP const lwp, QData rhs); +QData VL_POW_QQW(int obits, int, int rbits, QData lhs, WDataInP const rwp); #define VL_POWSS_IIQ(obits, lbits, rbits, lhs, rhs, lsign, rsign) \ VL_POWSS_QQQ(obits, lbits, rbits, lhs, rhs, lsign, rsign) @@ -2060,11 +2065,12 @@ static inline QData VL_POWSS_QQQ(int obits, int, int rbits, QData lhs, QData rhs } return VL_POW_QQQ(obits, rbits, rbits, lhs, rhs); } -WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, +WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP const lwp, + WDataInP const rwp, bool lsign, bool rsign); +WDataOutP VL_POWSS_WWQ(int obits, int, int rbits, WDataOutP owp, WDataInP const lwp, QData rhs, bool lsign, bool rsign); -WDataOutP VL_POWSS_WWQ(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, QData rhs, - bool lsign, bool rsign); -QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp, bool lsign, bool rsign); +QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, WDataInP const rwp, bool lsign, + bool rsign); //=================================================================== // Concat/replication @@ -2073,52 +2079,52 @@ QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp, bool lsig // ld may be "dirty", output is clean static inline void _vl_insert_II(int, CData& lhsr, IData ld, int hbit, int lbit, int rbits) VL_PURE { - IData cleanmask = VL_MASK_I(rbits); - IData insmask = (VL_MASK_I(hbit - lbit + 1)) << lbit; + const IData cleanmask = VL_MASK_I(rbits); + const IData insmask = (VL_MASK_I(hbit - lbit + 1)) << lbit; lhsr = (lhsr & ~insmask) | ((ld << lbit) & (insmask & cleanmask)); } static inline void _vl_insert_II(int, SData& lhsr, IData ld, int hbit, int lbit, int rbits) VL_PURE { - IData cleanmask = VL_MASK_I(rbits); - IData insmask = (VL_MASK_I(hbit - lbit + 1)) << lbit; + const IData cleanmask = VL_MASK_I(rbits); + const IData insmask = (VL_MASK_I(hbit - lbit + 1)) << lbit; lhsr = (lhsr & ~insmask) | ((ld << lbit) & (insmask & cleanmask)); } static inline void _vl_insert_II(int, IData& lhsr, IData ld, int hbit, int lbit, int rbits) VL_PURE { - IData cleanmask = VL_MASK_I(rbits); - IData insmask = (VL_MASK_I(hbit - lbit + 1)) << lbit; + const IData cleanmask = VL_MASK_I(rbits); + const IData insmask = (VL_MASK_I(hbit - lbit + 1)) << lbit; lhsr = (lhsr & ~insmask) | ((ld << lbit) & (insmask & cleanmask)); } static inline void _vl_insert_QQ(int, QData& lhsr, QData ld, int hbit, int lbit, int rbits) VL_PURE { - QData cleanmask = VL_MASK_Q(rbits); - QData insmask = (VL_MASK_Q(hbit - lbit + 1)) << lbit; + const QData cleanmask = VL_MASK_Q(rbits); + const QData insmask = (VL_MASK_Q(hbit - lbit + 1)) << lbit; lhsr = (lhsr & ~insmask) | ((ld << lbit) & (insmask & cleanmask)); } static inline void _vl_insert_WI(int, WDataOutP owp, IData ld, int hbit, int lbit, int rbits = 0) VL_MT_SAFE { - int hoffset = VL_BITBIT_E(hbit); - int loffset = VL_BITBIT_E(lbit); - int roffset = VL_BITBIT_E(rbits); - int hword = VL_BITWORD_E(hbit); - int lword = VL_BITWORD_E(lbit); - int rword = VL_BITWORD_E(rbits); - EData cleanmask = hword == rword ? VL_MASK_E(roffset) : VL_MASK_E(0); + const int hoffset = VL_BITBIT_E(hbit); + const int loffset = VL_BITBIT_E(lbit); + const int roffset = VL_BITBIT_E(rbits); + const int hword = VL_BITWORD_E(hbit); + const int lword = VL_BITWORD_E(lbit); + const int rword = VL_BITWORD_E(rbits); + const EData cleanmask = hword == rword ? VL_MASK_E(roffset) : VL_MASK_E(0); if (hoffset == VL_SIZEBITS_E && loffset == 0) { // Fast and common case, word based insertion owp[VL_BITWORD_E(lbit)] = ld & cleanmask; } else { - EData lde = static_cast(ld); + const EData lde = static_cast(ld); if (hword == lword) { // know < EData bits because above checks it // Assignment is contained within one word of destination - EData insmask = (VL_MASK_E(hoffset - loffset + 1)) << loffset; + const EData insmask = (VL_MASK_E(hoffset - loffset + 1)) << loffset; owp[lword] = (owp[lword] & ~insmask) | ((lde << loffset) & (insmask & cleanmask)); } else { // Assignment crosses a word boundary in destination - EData hinsmask = (VL_MASK_E(hoffset - 0 + 1)) << 0; - EData linsmask = (VL_MASK_E((VL_EDATASIZE - 1) - loffset + 1)) << loffset; - int nbitsonright = VL_EDATASIZE - loffset; // bits that end up in lword + const EData hinsmask = (VL_MASK_E(hoffset - 0 + 1)) << 0; + const EData linsmask = (VL_MASK_E((VL_EDATASIZE - 1) - loffset + 1)) << loffset; + const int nbitsonright = VL_EDATASIZE - loffset; // bits that end up in lword owp[lword] = (owp[lword] & ~linsmask) | ((lde << loffset) & linsmask); owp[hword] = (owp[hword] & ~hinsmask) | ((lde >> nbitsonright) & (hinsmask & cleanmask)); @@ -2128,18 +2134,18 @@ static inline void _vl_insert_WI(int, WDataOutP owp, IData ld, int hbit, int lbi // INTERNAL: Stuff large LHS bit 0++ into OUTPUT at specified offset // lwp may be "dirty" -static inline void _vl_insert_WW(int, WDataOutP owp, WDataInP lwp, int hbit, int lbit, +static inline void _vl_insert_WW(int, WDataOutP owp, WDataInP const lwp, int hbit, int lbit, int rbits = 0) VL_MT_SAFE { - int hoffset = VL_BITBIT_E(hbit); - int loffset = VL_BITBIT_E(lbit); - int roffset = VL_BITBIT_E(rbits); - int lword = VL_BITWORD_E(lbit); - int hword = VL_BITWORD_E(hbit); - int rword = VL_BITWORD_E(rbits); - int words = VL_WORDS_I(hbit - lbit + 1); + const int hoffset = VL_BITBIT_E(hbit); + const int loffset = VL_BITBIT_E(lbit); + const int roffset = VL_BITBIT_E(rbits); + const int lword = VL_BITWORD_E(lbit); + const int hword = VL_BITWORD_E(hbit); + const int rword = VL_BITWORD_E(rbits); + const int words = VL_WORDS_I(hbit - lbit + 1); // Cleaning mask, only applied to top word of the assignment. Is a no-op // if we don't assign to the top word of the destination. - EData cleanmask = hword == rword ? VL_MASK_E(roffset) : VL_MASK_E(0); + const EData cleanmask = hword == rword ? VL_MASK_E(roffset) : VL_MASK_E(0); if (hoffset == VL_SIZEBITS_E && loffset == 0) { // Fast and common case, word based insertion @@ -2149,18 +2155,19 @@ static inline void _vl_insert_WW(int, WDataOutP owp, WDataInP lwp, int hbit, int // Non-32bit, but nicely aligned, so stuff all but the last word for (int i = 0; i < (words - 1); ++i) owp[lword + i] = lwp[i]; // Know it's not a full word as above fast case handled it - EData hinsmask = (VL_MASK_E(hoffset - 0 + 1)); + const EData hinsmask = (VL_MASK_E(hoffset - 0 + 1)); owp[hword] = (owp[hword] & ~hinsmask) | (lwp[words - 1] & (hinsmask & cleanmask)); } else { - EData hinsmask = (VL_MASK_E(hoffset - 0 + 1)) << 0; - EData linsmask = (VL_MASK_E((VL_EDATASIZE - 1) - loffset + 1)) << loffset; - int nbitsonright = VL_EDATASIZE - loffset; // bits that end up in lword (know loffset!=0) + const EData hinsmask = (VL_MASK_E(hoffset - 0 + 1)) << 0; + const EData linsmask = (VL_MASK_E((VL_EDATASIZE - 1) - loffset + 1)) << loffset; + const int nbitsonright + = VL_EDATASIZE - loffset; // bits that end up in lword (know loffset!=0) // Middle words for (int i = 0; i < words; ++i) { { // Lower word - int oword = lword + i; - EData d = lwp[i] << loffset; - EData od = (owp[oword] & ~linsmask) | (d & linsmask); + const int oword = lword + i; + const EData d = lwp[i] << loffset; + const EData od = (owp[oword] & ~linsmask) | (d & linsmask); if (oword == hword) { owp[oword] = (owp[oword] & ~hinsmask) | (od & (hinsmask & cleanmask)); } else { @@ -2168,10 +2175,10 @@ static inline void _vl_insert_WW(int, WDataOutP owp, WDataInP lwp, int hbit, int } } { // Upper word - int oword = lword + i + 1; + const int oword = lword + i + 1; if (oword <= hword) { - EData d = lwp[i] >> nbitsonright; - EData od = (d & ~linsmask) | (owp[oword] & linsmask); + const EData d = lwp[i] >> nbitsonright; + const EData od = (d & ~linsmask) | (owp[oword] & linsmask); if (oword == hword) { owp[oword] = (owp[oword] & ~hinsmask) | (od & (hinsmask & cleanmask)); } else { @@ -2227,8 +2234,8 @@ static inline WDataOutP VL_REPLICATE_WQI(int obits, int lbits, int, WDataOutP ow } return owp; } -static inline WDataOutP VL_REPLICATE_WWI(int obits, int lbits, int, WDataOutP owp, WDataInP lwp, - IData rep) VL_MT_SAFE { +static inline WDataOutP VL_REPLICATE_WWI(int obits, int lbits, int, WDataOutP owp, + WDataInP const lwp, IData rep) VL_MT_SAFE { for (int i = 0; i < VL_WORDS_I(lbits); ++i) owp[i] = lwp[i]; for (unsigned i = 1; i < rep; ++i) { _vl_insert_WW(obits, owp, lwp, i * lbits + lbits - 1, i * lbits); @@ -2262,9 +2269,9 @@ static inline IData VL_STREAML_FAST_III(int, int lbits, int, IData ld, IData rd_ // ret = 10324--- IData ret = ld; if (rd_log2) { - vluint32_t lbitsFloor = lbits & ~VL_MASK_I(rd_log2); // max multiple of rd <= lbits - vluint32_t lbitsRem = lbits - lbitsFloor; // number of bits in most-sig slice (MSS) - IData msbMask = VL_MASK_I(lbitsRem) << lbitsFloor; // mask to sel only bits in MSS + const vluint32_t lbitsFloor = lbits & ~VL_MASK_I(rd_log2); // max multiple of rd <= lbits + const vluint32_t lbitsRem = lbits - lbitsFloor; // number of bits in most-sig slice (MSS) + const IData msbMask = VL_MASK_I(lbitsRem) << lbitsFloor; // mask to sel only bits in MSS ret = (ret & ~msbMask) | ((ret & msbMask) << ((VL_UL(1) << rd_log2) - lbitsRem)); } switch (rd_log2) { @@ -2282,9 +2289,9 @@ static inline QData VL_STREAML_FAST_QQI(int, int lbits, int, QData ld, IData rd_ // Pre-shift bits in most-significant slice (see comment in VL_STREAML_FAST_III) QData ret = ld; if (rd_log2) { - vluint32_t lbitsFloor = lbits & ~VL_MASK_I(rd_log2); - vluint32_t lbitsRem = lbits - lbitsFloor; - QData msbMask = VL_MASK_Q(lbitsRem) << lbitsFloor; + const vluint32_t lbitsFloor = lbits & ~VL_MASK_I(rd_log2); + const vluint32_t lbitsRem = lbits - lbitsFloor; + const QData msbMask = VL_MASK_Q(lbitsRem) << lbitsFloor; ret = (ret & ~msbMask) | ((ret & msbMask) << ((1ULL << rd_log2) - lbitsRem)); } switch (rd_log2) { @@ -2313,7 +2320,7 @@ static inline QData VL_STREAML_FAST_QQI(int, int lbits, int, QData ld, IData rd_ static inline IData VL_STREAML_III(int, int lbits, int, IData ld, IData rd) VL_PURE { IData ret = 0; // Slice size should never exceed the lhs width - IData mask = VL_MASK_I(rd); + const IData mask = VL_MASK_I(rd); for (int istart = 0; istart < lbits; istart += rd) { int ostart = lbits - rd - istart; ostart = ostart > 0 ? ostart : 0; @@ -2325,7 +2332,7 @@ static inline IData VL_STREAML_III(int, int lbits, int, IData ld, IData rd) VL_P static inline QData VL_STREAML_QQI(int, int lbits, int, QData ld, IData rd) VL_PURE { QData ret = 0; // Slice size should never exceed the lhs width - QData mask = VL_MASK_Q(rd); + const QData mask = VL_MASK_Q(rd); for (int istart = 0; istart < lbits; istart += rd) { int ostart = lbits - rd - istart; ostart = ostart > 0 ? ostart : 0; @@ -2334,11 +2341,11 @@ static inline QData VL_STREAML_QQI(int, int lbits, int, QData ld, IData rd) VL_P return ret; } -static inline WDataOutP VL_STREAML_WWI(int, int lbits, int, WDataOutP owp, WDataInP lwp, +static inline WDataOutP VL_STREAML_WWI(int, int lbits, int, WDataOutP owp, WDataInP const lwp, IData rd) VL_MT_SAFE { VL_ZERO_W(lbits, owp); // Slice size should never exceed the lhs width - int ssize = (rd < static_cast(lbits)) ? rd : (static_cast(lbits)); + const int ssize = (rd < static_cast(lbits)) ? rd : (static_cast(lbits)); for (int istart = 0; istart < lbits; istart += rd) { int ostart = lbits - rd - istart; ostart = ostart > 0 ? ostart : 0; @@ -2374,15 +2381,15 @@ static inline WDataOutP VL_CONCAT_WII(int obits, int lbits, int rbits, WDataOutP _vl_insert_WI(obits, owp, ld, rbits + lbits - 1, rbits); return owp; } -static inline WDataOutP VL_CONCAT_WWI(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - IData rd) VL_MT_SAFE { +static inline WDataOutP VL_CONCAT_WWI(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, IData rd) VL_MT_SAFE { owp[0] = rd; for (int i = 1; i < VL_WORDS_I(obits); ++i) owp[i] = 0; _vl_insert_WW(obits, owp, lwp, rbits + lbits - 1, rbits); return owp; } static inline WDataOutP VL_CONCAT_WIW(int obits, int lbits, int rbits, WDataOutP owp, IData ld, - WDataInP rwp) VL_MT_SAFE { + WDataInP const rwp) VL_MT_SAFE { for (int i = 0; i < VL_WORDS_I(rbits); ++i) owp[i] = rwp[i]; for (int i = VL_WORDS_I(rbits); i < VL_WORDS_I(obits); ++i) owp[i] = 0; _vl_insert_WI(obits, owp, ld, rbits + lbits - 1, rbits); @@ -2409,22 +2416,22 @@ static inline WDataOutP VL_CONCAT_WQQ(int obits, int lbits, int rbits, WDataOutP _vl_insert_WQ(obits, owp, ld, rbits + lbits - 1, rbits); return owp; } -static inline WDataOutP VL_CONCAT_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - QData rd) VL_MT_SAFE { +static inline WDataOutP VL_CONCAT_WWQ(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, QData rd) VL_MT_SAFE { VL_SET_WQ(owp, rd); for (int i = VL_WQ_WORDS_E; i < VL_WORDS_I(obits); ++i) owp[i] = 0; _vl_insert_WW(obits, owp, lwp, rbits + lbits - 1, rbits); return owp; } static inline WDataOutP VL_CONCAT_WQW(int obits, int lbits, int rbits, WDataOutP owp, QData ld, - WDataInP rwp) VL_MT_SAFE { + WDataInP const rwp) VL_MT_SAFE { for (int i = 0; i < VL_WORDS_I(rbits); ++i) owp[i] = rwp[i]; for (int i = VL_WORDS_I(rbits); i < VL_WORDS_I(obits); ++i) owp[i] = 0; _vl_insert_WQ(obits, owp, ld, rbits + lbits - 1, rbits); return owp; } -static inline WDataOutP VL_CONCAT_WWW(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_CONCAT_WWW(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { for (int i = 0; i < VL_WORDS_I(rbits); ++i) owp[i] = rwp[i]; for (int i = VL_WORDS_I(rbits); i < VL_WORDS_I(obits); ++i) owp[i] = 0; _vl_insert_WW(obits, owp, lwp, rbits + lbits - 1, rbits); @@ -2438,8 +2445,8 @@ static inline WDataOutP VL_CONCAT_WWW(int obits, int lbits, int rbits, WDataOutP // The output is the same as the input - it overlaps! static inline void _vl_shiftl_inplace_w(int obits, WDataOutP iowp, IData rd /*1 or 4*/) VL_MT_SAFE { - int words = VL_WORDS_I(obits); - EData linsmask = VL_MASK_E(rd); + const int words = VL_WORDS_I(obits); + const EData linsmask = VL_MASK_E(rd); for (int i = words - 1; i >= 1; --i) { iowp[i] = ((iowp[i] << rd) & ~linsmask) | ((iowp[i - 1] >> (VL_EDATASIZE - rd)) & linsmask); @@ -2451,10 +2458,10 @@ static inline void _vl_shiftl_inplace_w(int obits, WDataOutP iowp, // EMIT_RULE: VL_SHIFTL: oclean=lclean; rclean==clean; // Important: Unlike most other funcs, the shift might well be a computed // expression. Thus consider this when optimizing. (And perhaps have 2 funcs?) -static inline WDataOutP VL_SHIFTL_WWI(int obits, int, int, WDataOutP owp, WDataInP lwp, +static inline WDataOutP VL_SHIFTL_WWI(int obits, int, int, WDataOutP owp, WDataInP const lwp, IData rd) VL_MT_SAFE { - int word_shift = VL_BITWORD_E(rd); - int bit_shift = VL_BITBIT_E(rd); + const int word_shift = VL_BITWORD_E(rd); + const int bit_shift = VL_BITBIT_E(rd); if (rd >= static_cast(obits)) { // rd may be huge with MSB set for (int i = 0; i < VL_WORDS_I(obits); ++i) owp[i] = 0; } else if (bit_shift == 0) { // Aligned word shift (<<0,<<32,<<64 etc) @@ -2466,8 +2473,8 @@ static inline WDataOutP VL_SHIFTL_WWI(int obits, int, int, WDataOutP owp, WDataI } return owp; } -static inline WDataOutP VL_SHIFTL_WWW(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_SHIFTL_WWW(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { for (int i = 1; i < VL_WORDS_I(rbits); ++i) { if (VL_UNLIKELY(rwp[i])) { // Huge shift 1>>32 or more return VL_ZERO_W(obits, owp); @@ -2475,13 +2482,14 @@ static inline WDataOutP VL_SHIFTL_WWW(int obits, int lbits, int rbits, WDataOutP } return VL_SHIFTL_WWI(obits, lbits, 32, owp, lwp, rwp[0]); } -static inline WDataOutP VL_SHIFTL_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - QData rd) VL_MT_SAFE { +static inline WDataOutP VL_SHIFTL_WWQ(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, QData rd) VL_MT_SAFE { WData rwp[VL_WQ_WORDS_E]; VL_SET_WQ(rwp, rd); return VL_SHIFTL_WWW(obits, lbits, rbits, owp, lwp, rwp); } -static inline IData VL_SHIFTL_IIW(int obits, int, int rbits, IData lhs, WDataInP rwp) VL_MT_SAFE { +static inline IData VL_SHIFTL_IIW(int obits, int, int rbits, IData lhs, + WDataInP const rwp) VL_MT_SAFE { for (int i = 1; i < VL_WORDS_I(rbits); ++i) { if (VL_UNLIKELY(rwp[i])) { // Huge shift 1>>32 or more return 0; @@ -2493,7 +2501,8 @@ static inline IData VL_SHIFTL_IIQ(int obits, int, int, IData lhs, QData rhs) VL_ if (VL_UNLIKELY(rhs >= VL_IDATASIZE)) return 0; return VL_CLEAN_II(obits, obits, lhs << rhs); } -static inline QData VL_SHIFTL_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp) VL_MT_SAFE { +static inline QData VL_SHIFTL_QQW(int obits, int, int rbits, QData lhs, + WDataInP const rwp) VL_MT_SAFE { for (int i = 1; i < VL_WORDS_I(rbits); ++i) { if (VL_UNLIKELY(rwp[i])) { // Huge shift 1>>32 or more return 0; @@ -2510,32 +2519,32 @@ static inline QData VL_SHIFTL_QQQ(int obits, int, int, QData lhs, QData rhs) VL_ // EMIT_RULE: VL_SHIFTR: oclean=lclean; rclean==clean; // Important: Unlike most other funcs, the shift might well be a computed // expression. Thus consider this when optimizing. (And perhaps have 2 funcs?) -static inline WDataOutP VL_SHIFTR_WWI(int obits, int, int, WDataOutP owp, WDataInP lwp, +static inline WDataOutP VL_SHIFTR_WWI(int obits, int, int, WDataOutP owp, WDataInP const lwp, IData rd) VL_MT_SAFE { - int word_shift = VL_BITWORD_E(rd); // Maybe 0 - int bit_shift = VL_BITBIT_E(rd); + const int word_shift = VL_BITWORD_E(rd); // Maybe 0 + const int bit_shift = VL_BITBIT_E(rd); if (rd >= static_cast(obits)) { // rd may be huge with MSB set for (int i = 0; i < VL_WORDS_I(obits); ++i) owp[i] = 0; } else if (bit_shift == 0) { // Aligned word shift (>>0,>>32,>>64 etc) - int copy_words = (VL_WORDS_I(obits) - word_shift); + const int copy_words = (VL_WORDS_I(obits) - word_shift); for (int i = 0; i < copy_words; ++i) owp[i] = lwp[i + word_shift]; for (int i = copy_words; i < VL_WORDS_I(obits); ++i) owp[i] = 0; } else { - int loffset = rd & VL_SIZEBITS_E; - int nbitsonright = VL_EDATASIZE - loffset; // bits that end up in lword (know loffset!=0) - // Middle words - int words = VL_WORDS_I(obits - rd); + const int loffset = rd & VL_SIZEBITS_E; + const int nbitsonright = VL_EDATASIZE - loffset; // bits that end up in lword (know + // loffset!=0) Middle words + const int words = VL_WORDS_I(obits - rd); for (int i = 0; i < words; ++i) { owp[i] = lwp[i + word_shift] >> loffset; - int upperword = i + word_shift + 1; + const int upperword = i + word_shift + 1; if (upperword < VL_WORDS_I(obits)) owp[i] |= lwp[upperword] << nbitsonright; } for (int i = words; i < VL_WORDS_I(obits); ++i) owp[i] = 0; } return owp; } -static inline WDataOutP VL_SHIFTR_WWW(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - WDataInP rwp) VL_MT_SAFE { +static inline WDataOutP VL_SHIFTR_WWW(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { for (int i = 1; i < VL_WORDS_I(rbits); ++i) { if (VL_UNLIKELY(rwp[i])) { // Huge shift 1>>32 or more return VL_ZERO_W(obits, owp); @@ -2543,14 +2552,15 @@ static inline WDataOutP VL_SHIFTR_WWW(int obits, int lbits, int rbits, WDataOutP } return VL_SHIFTR_WWI(obits, lbits, 32, owp, lwp, rwp[0]); } -static inline WDataOutP VL_SHIFTR_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, - QData rd) VL_MT_SAFE { +static inline WDataOutP VL_SHIFTR_WWQ(int obits, int lbits, int rbits, WDataOutP owp, + WDataInP const lwp, QData rd) VL_MT_SAFE { WData rwp[VL_WQ_WORDS_E]; VL_SET_WQ(rwp, rd); return VL_SHIFTR_WWW(obits, lbits, rbits, owp, lwp, rwp); } -static inline IData VL_SHIFTR_IIW(int obits, int, int rbits, IData lhs, WDataInP rwp) VL_MT_SAFE { +static inline IData VL_SHIFTR_IIW(int obits, int, int rbits, IData lhs, + WDataInP const rwp) VL_MT_SAFE { for (int i = 1; i < VL_WORDS_I(rbits); ++i) { if (VL_UNLIKELY(rwp[i])) { // Huge shift 1>>32 or more return 0; @@ -2558,7 +2568,8 @@ static inline IData VL_SHIFTR_IIW(int obits, int, int rbits, IData lhs, WDataInP } return VL_CLEAN_II(obits, obits, lhs >> rwp[0]); } -static inline QData VL_SHIFTR_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp) VL_MT_SAFE { +static inline QData VL_SHIFTR_QQW(int obits, int, int rbits, QData lhs, + WDataInP const rwp) VL_MT_SAFE { for (int i = 1; i < VL_WORDS_I(rbits); ++i) { if (VL_UNLIKELY(rwp[i])) { // Huge shift 1>>32 or more return 0; @@ -2582,41 +2593,41 @@ static inline IData VL_SHIFTRS_III(int obits, int lbits, int, IData lhs, IData r // IEEE says signed if output signed, but bit position from lbits; // must use lbits for sign; lbits might != obits, // an EXTEND(SHIFTRS(...)) can became a SHIFTRS(...) within same 32/64 bit word length - IData sign = -(lhs >> (lbits - 1)); // ffff_ffff if negative - IData signext = ~(VL_MASK_I(lbits) >> rhs); // One with bits where we've shifted "past" + const IData sign = -(lhs >> (lbits - 1)); // ffff_ffff if negative + const IData signext = ~(VL_MASK_I(lbits) >> rhs); // One with bits where we've shifted "past" return (lhs >> rhs) | (sign & VL_CLEAN_II(obits, obits, signext)); } static inline QData VL_SHIFTRS_QQI(int obits, int lbits, int, QData lhs, IData rhs) VL_PURE { - QData sign = -(lhs >> (lbits - 1)); - QData signext = ~(VL_MASK_Q(lbits) >> rhs); + const QData sign = -(lhs >> (lbits - 1)); + const QData signext = ~(VL_MASK_Q(lbits) >> rhs); return (lhs >> rhs) | (sign & VL_CLEAN_QQ(obits, obits, signext)); } static inline IData VL_SHIFTRS_IQI(int obits, int lbits, int rbits, QData lhs, IData rhs) VL_PURE { return static_cast(VL_SHIFTRS_QQI(obits, lbits, rbits, lhs, rhs)); } -static inline WDataOutP VL_SHIFTRS_WWI(int obits, int lbits, int, WDataOutP owp, WDataInP lwp, - IData rd) VL_MT_SAFE { - int word_shift = VL_BITWORD_E(rd); - int bit_shift = VL_BITBIT_E(rd); - int lmsw = VL_WORDS_I(obits) - 1; - EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]); +static inline WDataOutP VL_SHIFTRS_WWI(int obits, int lbits, int, WDataOutP owp, + WDataInP const lwp, IData rd) VL_MT_SAFE { + const int word_shift = VL_BITWORD_E(rd); + const int bit_shift = VL_BITBIT_E(rd); + const int lmsw = VL_WORDS_I(obits) - 1; + const EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]); if (rd >= static_cast(obits)) { // Shifting past end, sign in all of lbits for (int i = 0; i <= lmsw; ++i) owp[i] = sign; owp[lmsw] &= VL_MASK_E(lbits); } else if (bit_shift == 0) { // Aligned word shift (>>0,>>32,>>64 etc) - int copy_words = (VL_WORDS_I(obits) - word_shift); + const int copy_words = (VL_WORDS_I(obits) - word_shift); for (int i = 0; i < copy_words; ++i) owp[i] = lwp[i + word_shift]; if (copy_words >= 0) owp[copy_words - 1] |= ~VL_MASK_E(obits) & sign; for (int i = copy_words; i < VL_WORDS_I(obits); ++i) owp[i] = sign; owp[lmsw] &= VL_MASK_E(lbits); } else { - int loffset = rd & VL_SIZEBITS_E; + const int loffset = rd & VL_SIZEBITS_E; int nbitsonright = VL_EDATASIZE - loffset; // bits that end up in lword (know loffset!=0) // Middle words - int words = VL_WORDS_I(obits - rd); + const int words = VL_WORDS_I(obits - rd); for (int i = 0; i < words; ++i) { owp[i] = lwp[i + word_shift] >> loffset; - int upperword = i + word_shift + 1; + const int upperword = i + word_shift + 1; if (upperword < VL_WORDS_I(obits)) owp[i] |= lwp[upperword] << nbitsonright; } if (words) owp[words - 1] |= sign & ~VL_MASK_E(obits - loffset); @@ -2626,12 +2637,12 @@ static inline WDataOutP VL_SHIFTRS_WWI(int obits, int lbits, int, WDataOutP owp, return owp; } static inline WDataOutP VL_SHIFTRS_WWW(int obits, int lbits, int rbits, WDataOutP owp, - WDataInP lwp, WDataInP rwp) VL_MT_SAFE { + WDataInP const lwp, WDataInP const rwp) VL_MT_SAFE { EData overshift = 0; // Huge shift 1>>32 or more for (int i = 1; i < VL_WORDS_I(rbits); ++i) overshift |= rwp[i]; if (VL_UNLIKELY(overshift || rwp[0] >= obits)) { - int lmsw = VL_WORDS_I(obits) - 1; - EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]); + const int lmsw = VL_WORDS_I(obits) - 1; + const EData sign = VL_SIGNONES_E(lbits, lwp[lmsw]); for (int j = 0; j <= lmsw; ++j) owp[j] = sign; owp[lmsw] &= VL_MASK_E(lbits); return owp; @@ -2639,27 +2650,27 @@ static inline WDataOutP VL_SHIFTRS_WWW(int obits, int lbits, int rbits, WDataOut return VL_SHIFTRS_WWI(obits, lbits, 32, owp, lwp, rwp[0]); } static inline WDataOutP VL_SHIFTRS_WWQ(int obits, int lbits, int rbits, WDataOutP owp, - WDataInP lwp, QData rd) VL_MT_SAFE { + WDataInP const lwp, QData rd) VL_MT_SAFE { WData rwp[VL_WQ_WORDS_E]; VL_SET_WQ(rwp, rd); return VL_SHIFTRS_WWW(obits, lbits, rbits, owp, lwp, rwp); } static inline IData VL_SHIFTRS_IIW(int obits, int lbits, int rbits, IData lhs, - WDataInP rwp) VL_MT_SAFE { + WDataInP const rwp) VL_MT_SAFE { EData overshift = 0; // Huge shift 1>>32 or more for (int i = 1; i < VL_WORDS_I(rbits); ++i) overshift |= rwp[i]; if (VL_UNLIKELY(overshift || rwp[0] >= obits)) { - IData sign = -(lhs >> (lbits - 1)); // ffff_ffff if negative + const IData sign = -(lhs >> (lbits - 1)); // ffff_ffff if negative return VL_CLEAN_II(obits, obits, sign); } return VL_SHIFTRS_III(obits, lbits, 32, lhs, rwp[0]); } static inline QData VL_SHIFTRS_QQW(int obits, int lbits, int rbits, QData lhs, - WDataInP rwp) VL_MT_SAFE { + WDataInP const rwp) VL_MT_SAFE { EData overshift = 0; // Huge shift 1>>32 or more for (int i = 1; i < VL_WORDS_I(rbits); ++i) overshift |= rwp[i]; if (VL_UNLIKELY(overshift || rwp[0] >= obits)) { - QData sign = -(lhs >> (lbits - 1)); // ffff_ffff if negative + const QData sign = -(lhs >> (lbits - 1)); // ffff_ffff if negative return VL_CLEAN_QQ(obits, obits, sign); } return VL_SHIFTRS_QQI(obits, lbits, 32, lhs, rwp[0]); @@ -2685,7 +2696,8 @@ static inline QData VL_SHIFTRS_QQQ(int obits, int lbits, int rbits, QData lhs, Q #define VL_BITSEL_QQII(obits, lbits, rbits, zbits, lhs, rhs) ((lhs) >> (rhs)) #define VL_BITSEL_IQII(obits, lbits, rbits, zbits, lhs, rhs) (static_cast((lhs) >> (rhs))) -static inline IData VL_BITSEL_IWII(int, int lbits, int, int, WDataInP lwp, IData rd) VL_MT_SAFE { +static inline IData VL_BITSEL_IWII(int, int lbits, int, int, WDataInP const lwp, + IData rd) VL_MT_SAFE { int word = VL_BITWORD_E(rd); if (VL_UNLIKELY(rd > static_cast(lbits))) { return ~0; // Spec says you can go outside the range of a array. Don't coredump if so. @@ -2702,7 +2714,7 @@ static inline IData VL_BITSEL_IWII(int, int lbits, int, int, WDataInP lwp, IData #define VL_SEL_IQII(obits, lbits, rbits, tbits, lhs, lsb, width) \ (static_cast((lhs) >> (lsb))) -static inline IData VL_SEL_IWII(int, int lbits, int, int, WDataInP lwp, IData lsb, +static inline IData VL_SEL_IWII(int, int lbits, int, int, WDataInP const lwp, IData lsb, IData width) VL_MT_SAFE { int msb = lsb + width - 1; if (VL_UNLIKELY(msb >= lbits)) { @@ -2716,32 +2728,32 @@ static inline IData VL_SEL_IWII(int, int lbits, int, int, WDataInP lwp, IData ls } } -static inline QData VL_SEL_QWII(int, int lbits, int, int, WDataInP lwp, IData lsb, +static inline QData VL_SEL_QWII(int, int lbits, int, int, WDataInP const lwp, IData lsb, IData width) VL_MT_SAFE { - int msb = lsb + width - 1; + const int msb = lsb + width - 1; if (VL_UNLIKELY(msb > lbits)) { return ~0; // Spec says you can go outside the range of a array. Don't coredump if so. } else if (VL_BITWORD_E(msb) == VL_BITWORD_E(static_cast(lsb))) { return VL_BITRSHIFT_W(lwp, lsb); } else if (VL_BITWORD_E(msb) == 1 + VL_BITWORD_E(static_cast(lsb))) { - int nbitsfromlow = VL_EDATASIZE - VL_BITBIT_E(lsb); - QData hi = (lwp[VL_BITWORD_E(msb)]); - QData lo = VL_BITRSHIFT_W(lwp, lsb); + const int nbitsfromlow = VL_EDATASIZE - VL_BITBIT_E(lsb); + const QData hi = (lwp[VL_BITWORD_E(msb)]); + const QData lo = VL_BITRSHIFT_W(lwp, lsb); return (hi << nbitsfromlow) | lo; } else { // 64 bit extraction may span three words int nbitsfromlow = VL_EDATASIZE - VL_BITBIT_E(lsb); - QData hi = (lwp[VL_BITWORD_E(msb)]); - QData mid = (lwp[VL_BITWORD_E(lsb) + 1]); - QData lo = VL_BITRSHIFT_W(lwp, lsb); + const QData hi = (lwp[VL_BITWORD_E(msb)]); + const QData mid = (lwp[VL_BITWORD_E(lsb) + 1]); + const QData lo = VL_BITRSHIFT_W(lwp, lsb); return (hi << (nbitsfromlow + VL_EDATASIZE)) | (mid << nbitsfromlow) | lo; } } -static inline WDataOutP VL_SEL_WWII(int obits, int lbits, int, int, WDataOutP owp, WDataInP lwp, - IData lsb, IData width) VL_MT_SAFE { - int msb = lsb + width - 1; - int word_shift = VL_BITWORD_E(lsb); +static inline WDataOutP VL_SEL_WWII(int obits, int lbits, int, int, WDataOutP owp, + WDataInP const lwp, IData lsb, IData width) VL_MT_SAFE { + const int msb = lsb + width - 1; + const int word_shift = VL_BITWORD_E(lsb); if (VL_UNLIKELY(msb > lbits)) { // Outside bounds, for (int i = 0; i < VL_WORDS_I(obits) - 1; ++i) owp[i] = ~0; owp[VL_WORDS_I(obits) - 1] = VL_MASK_E(obits); @@ -2750,13 +2762,13 @@ static inline WDataOutP VL_SEL_WWII(int obits, int lbits, int, int, WDataOutP ow for (int i = 0; i < VL_WORDS_I(obits); ++i) owp[i] = lwp[i + word_shift]; } else { // Not a _vl_insert because the bits come from any bit number and goto bit 0 - int loffset = lsb & VL_SIZEBITS_E; - int nbitsfromlow = VL_EDATASIZE - loffset; // bits that end up in lword (know loffset!=0) - // Middle words - int words = VL_WORDS_I(msb - lsb + 1); + const int loffset = lsb & VL_SIZEBITS_E; + const int nbitsfromlow = VL_EDATASIZE - loffset; // bits that end up in lword (know + // loffset!=0) Middle words + const int words = VL_WORDS_I(msb - lsb + 1); for (int i = 0; i < words; ++i) { owp[i] = lwp[i + word_shift] >> loffset; - int upperword = i + word_shift + 1; + const int upperword = i + word_shift + 1; if (upperword <= static_cast(VL_BITWORD_E(msb))) { owp[i] |= lwp[upperword] << nbitsfromlow; } @@ -2776,9 +2788,9 @@ static inline QData VL_RTOIROUND_Q_D(int, double lhs) VL_PURE { // This does not need to support subnormals as they are sub-integral lhs = VL_ROUND(lhs); if (lhs == 0.0) return 0; - QData q = VL_CVT_Q_D(lhs); - int lsb = static_cast((q >> 52ULL) & VL_MASK_Q(11)) - 1023 - 52; - vluint64_t mantissa = (q & VL_MASK_Q(52)) | (1ULL << 52); + const QData q = VL_CVT_Q_D(lhs); + const int lsb = static_cast((q >> 52ULL) & VL_MASK_Q(11)) - 1023 - 52; + const vluint64_t mantissa = (q & VL_MASK_Q(52)) | (1ULL << 52); vluint64_t out = 0; if (lsb < 0) { out = mantissa >> -lsb; @@ -2797,9 +2809,9 @@ static inline WDataOutP VL_RTOIROUND_W_D(int obits, WDataOutP owp, double lhs) V lhs = VL_ROUND(lhs); VL_ZERO_W(obits, owp); if (lhs == 0.0) return owp; - QData q = VL_CVT_Q_D(lhs); - int lsb = static_cast((q >> 52ULL) & VL_MASK_Q(11)) - 1023 - 52; - vluint64_t mantissa = (q & VL_MASK_Q(52)) | (1ULL << 52); + const QData q = VL_CVT_Q_D(lhs); + const int lsb = static_cast((q >> 52ULL) & VL_MASK_Q(11)) - 1023 - 52; + const vluint64_t mantissa = (q & VL_MASK_Q(52)) | (1ULL << 52); if (lsb < 0) { VL_SET_WQ(owp, mantissa >> -lsb); } else if (lsb < obits) { @@ -2837,8 +2849,8 @@ static inline void VL_ASSIGNSEL_QIIQ(int rbits, int obits, int lsb, QData& lhsr, QData rhs) VL_PURE { _vl_insert_QQ(obits, lhsr, rhs, lsb + obits - 1, lsb, rbits); } -// static inline void VL_ASSIGNSEL_IIIW(int obits, int lsb, IData& lhsr, WDataInP rwp) VL_MT_SAFE { -// Illegal, as lhs width >= rhs width +// static inline void VL_ASSIGNSEL_IIIW(int obits, int lsb, IData& lhsr, WDataInP const rwp) +// VL_MT_SAFE { Illegal, as lhs width >= rhs width static inline void VL_ASSIGNSEL_WIII(int rbits, int obits, int lsb, WDataOutP owp, IData rhs) VL_MT_SAFE { _vl_insert_WI(obits, owp, rhs, lsb + obits - 1, lsb, rbits); @@ -2848,7 +2860,7 @@ static inline void VL_ASSIGNSEL_WIIQ(int rbits, int obits, int lsb, WDataOutP ow _vl_insert_WQ(obits, owp, rhs, lsb + obits - 1, lsb, rbits); } static inline void VL_ASSIGNSEL_WIIW(int rbits, int obits, int lsb, WDataOutP owp, - WDataInP rwp) VL_MT_SAFE { + WDataInP const rwp) VL_MT_SAFE { _vl_insert_WW(obits, owp, rwp, lsb + obits - 1, lsb, rbits); } @@ -2856,8 +2868,8 @@ static inline void VL_ASSIGNSEL_WIIW(int rbits, int obits, int lsb, WDataOutP ow // Triops static inline WDataOutP VL_COND_WIWW(int obits, int, int, int, WDataOutP owp, int cond, - WDataInP w1p, WDataInP w2p) VL_MT_SAFE { - int words = VL_WORDS_I(obits); + WDataInP const w1p, WDataInP const w2p) VL_MT_SAFE { + const int words = VL_WORDS_I(obits); for (int i = 0; i < words; ++i) owp[i] = cond ? w1p[i] : w2p[i]; return owp; } diff --git a/include/verilated.mk.in b/include/verilated.mk.in index bc543442b..39e263fa3 100644 --- a/include/verilated.mk.in +++ b/include/verilated.mk.in @@ -9,17 +9,18 @@ # SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 ###################################################################### -PERL = @PERL@ -PYTHON3 = @PYTHON3@ +AR = @AR@ CXX = @CXX@ LINK = @CXX@ -AR = ar -RANLIB = ranlib OBJCACHE ?= @OBJCACHE@ +PERL = @PERL@ +PYTHON3 = @PYTHON3@ CFG_WITH_CCWARN = @CFG_WITH_CCWARN@ CFG_WITH_LONGTESTS = @CFG_WITH_LONGTESTS@ +# Compiler flags to enable profiling +CFG_CXXFLAGS_PROFILE = @CFG_CXXFLAGS_PROFILE@ # Select newest language CFG_CXXFLAGS_STD_NEWEST = @CFG_CXXFLAGS_STD_NEWEST@ # Select oldest language (for Verilator internal testing only) @@ -104,6 +105,14 @@ OPT_FAST = -Os # to change this as the library is small, but can have significant speed impact. OPT_GLOBAL = -Os +####################################################################### +##### Profile builds + +ifeq ($(VM_PROFC),1) + CPPFLAGS += $(CFG_CXXFLAGS_PROFILE) + LDFLAGS += $(CFG_CXXFLAGS_PROFILE) +endif + ####################################################################### ##### SystemC builds diff --git a/include/verilated_cov.cpp b/include/verilated_cov.cpp index 3cc223236..1fe14ba8d 100644 --- a/include/verilated_cov.cpp +++ b/include/verilated_cov.cpp @@ -193,7 +193,7 @@ private: // We used to backup and split on only .'s but it seems better to be verbose // and not assume . is the separator - std::string prefix = std::string(a, apre - a); + const std::string prefix = std::string(a, apre - a); // Scan backward to last mismatch const char* apost = a + std::strlen(a) - 1; @@ -251,7 +251,7 @@ private: public: // PUBLIC METHODS - void forcePerInstance(bool flag) VL_MT_SAFE_EXCLUDES(m_mutex) { + void forcePerInstance(const bool flag) VL_MT_SAFE_EXCLUDES(m_mutex) { Verilated::quiesce(); const VerilatedLockGuard lock(m_mutex); m_forcePerInstance = flag; @@ -261,7 +261,7 @@ public: const VerilatedLockGuard lock(m_mutex); clearGuts(); } - void clearNonMatch(const char* matchp) VL_MT_SAFE_EXCLUDES(m_mutex) { + void clearNonMatch(const char* const matchp) VL_MT_SAFE_EXCLUDES(m_mutex) { Verilated::quiesce(); const VerilatedLockGuard lock(m_mutex); if (matchp && matchp[0]) { @@ -288,7 +288,7 @@ public: assert(!m_insertp); m_insertp = itemp; } - void insertf(const char* filenamep, int lineno) VL_MT_SAFE_EXCLUDES(m_mutex) { + void insertf(const char* const filenamep, const int lineno) VL_MT_SAFE_EXCLUDES(m_mutex) { const VerilatedLockGuard lock(m_mutex); m_insertFilenamep = filenamep; m_insertLineno = lineno; diff --git a/include/verilated_dpi.cpp b/include/verilated_dpi.cpp index 47139cd1e..8ec3fc457 100644 --- a/include/verilated_dpi.cpp +++ b/include/verilated_dpi.cpp @@ -79,19 +79,19 @@ void svPutBitselLogic(svLogicVecVal* dp, int bit, svLogic s) { void svGetPartselBit(svBitVecVal* dp, const svBitVecVal* sp, int lsb, int width) { // See also VL_SEL_WWI - int msb = lsb + width - 1; - int word_shift = VL_BITWORD_I(lsb); + const int msb = lsb + width - 1; + const int word_shift = VL_BITWORD_I(lsb); if (VL_BITBIT_I(lsb) == 0) { // Just a word extract for (int i = 0; i < VL_WORDS_I(width); ++i) dp[i] = sp[i + word_shift]; } else { - int loffset = lsb & VL_SIZEBITS_I; - int nbitsfromlow = 32 - loffset; // bits that end up in lword (know loffset!=0) + const int loffset = lsb & VL_SIZEBITS_I; + const int nbitsfromlow = 32 - loffset; // bits that end up in lword (know loffset!=0) // Middle words - int words = VL_WORDS_I(msb - lsb + 1); + const int words = VL_WORDS_I(msb - lsb + 1); for (int i = 0; i < words; ++i) { dp[i] = sp[i + word_shift] >> loffset; - int upperword = i + word_shift + 1; + const int upperword = i + word_shift + 1; if (upperword <= static_cast(VL_BITWORD_I(msb))) { dp[i] |= sp[upperword] << nbitsfromlow; } @@ -101,20 +101,20 @@ void svGetPartselBit(svBitVecVal* dp, const svBitVecVal* sp, int lsb, int width) dp[VL_WORDS_I(width) - 1] &= VL_MASK_I(width); } void svGetPartselLogic(svLogicVecVal* dp, const svLogicVecVal* sp, int lsb, int width) { - int msb = lsb + width - 1; - int word_shift = VL_BITWORD_I(lsb); + const int msb = lsb + width - 1; + const int word_shift = VL_BITWORD_I(lsb); if (VL_BITBIT_I(lsb) == 0) { // Just a word extract for (int i = 0; i < VL_WORDS_I(width); ++i) dp[i] = sp[i + word_shift]; } else { - int loffset = lsb & VL_SIZEBITS_I; - int nbitsfromlow = 32 - loffset; // bits that end up in lword (know loffset!=0) + const int loffset = lsb & VL_SIZEBITS_I; + const int nbitsfromlow = 32 - loffset; // bits that end up in lword (know loffset!=0) // Middle words - int words = VL_WORDS_I(msb - lsb + 1); + const int words = VL_WORDS_I(msb - lsb + 1); for (int i = 0; i < words; ++i) { dp[i].aval = sp[i + word_shift].aval >> loffset; dp[i].bval = sp[i + word_shift].bval >> loffset; - int upperword = i + word_shift + 1; + const int upperword = i + word_shift + 1; if (upperword <= static_cast(VL_BITWORD_I(msb))) { dp[i].aval |= sp[upperword].aval << nbitsfromlow; dp[i].bval |= sp[upperword].bval << nbitsfromlow; @@ -127,22 +127,22 @@ void svGetPartselLogic(svLogicVecVal* dp, const svLogicVecVal* sp, int lsb, int } void svPutPartselBit(svBitVecVal* dp, const svBitVecVal s, int lbit, int width) { // See also _vl_insert_WI - int hbit = lbit + width - 1; - int hoffset = VL_BITBIT_I(hbit); - int loffset = VL_BITBIT_I(lbit); + const int hbit = lbit + width - 1; + const int hoffset = VL_BITBIT_I(hbit); + const int loffset = VL_BITBIT_I(lbit); if (hoffset == VL_SIZEBITS_I && loffset == 0) { // Fast and common case, word based insertion dp[VL_BITWORD_I(lbit)] = s; } else { - int hword = VL_BITWORD_I(hbit); - int lword = VL_BITWORD_I(lbit); + const int hword = VL_BITWORD_I(hbit); + const int lword = VL_BITWORD_I(lbit); if (hword == lword) { // know < 32 bits because above checks it - IData insmask = (VL_MASK_I(hoffset - loffset + 1)) << loffset; + const IData insmask = (VL_MASK_I(hoffset - loffset + 1)) << loffset; dp[lword] = (dp[lword] & ~insmask) | ((s << loffset) & insmask); } else { - IData hinsmask = (VL_MASK_I(hoffset - 0 + 1)) << 0; - IData linsmask = (VL_MASK_I(31 - loffset + 1)) << loffset; - int nbitsonright = 32 - loffset; // bits that end up in lword + const IData hinsmask = (VL_MASK_I(hoffset - 0 + 1)) << 0; + const IData linsmask = (VL_MASK_I(31 - loffset + 1)) << loffset; + const int nbitsonright = 32 - loffset; // bits that end up in lword dp[lword] = (dp[lword] & ~linsmask) | ((s << loffset) & linsmask); dp[hword] = (dp[hword] & ~hinsmask) | ((s >> nbitsonright) & hinsmask); } @@ -150,24 +150,24 @@ void svPutPartselBit(svBitVecVal* dp, const svBitVecVal s, int lbit, int width) } // cppcheck-suppress passedByValue void svPutPartselLogic(svLogicVecVal* dp, const svLogicVecVal s, int lbit, int width) { - int hbit = lbit + width - 1; - int hoffset = VL_BITBIT_I(hbit); - int loffset = VL_BITBIT_I(lbit); + const int hbit = lbit + width - 1; + const int hoffset = VL_BITBIT_I(hbit); + const int loffset = VL_BITBIT_I(lbit); if (hoffset == VL_SIZEBITS_I && loffset == 0) { // Fast and common case, word based insertion dp[VL_BITWORD_I(lbit)].aval = s.aval; dp[VL_BITWORD_I(lbit)].bval = s.bval; } else { - int hword = VL_BITWORD_I(hbit); - int lword = VL_BITWORD_I(lbit); + const int hword = VL_BITWORD_I(hbit); + const int lword = VL_BITWORD_I(lbit); if (hword == lword) { // know < 32 bits because above checks it - IData insmask = (VL_MASK_I(hoffset - loffset + 1)) << loffset; + const IData insmask = (VL_MASK_I(hoffset - loffset + 1)) << loffset; dp[lword].aval = (dp[lword].aval & ~insmask) | ((s.aval << loffset) & insmask); dp[lword].bval = (dp[lword].bval & ~insmask) | ((s.bval << loffset) & insmask); } else { - IData hinsmask = (VL_MASK_I(hoffset - 0 + 1)) << 0; - IData linsmask = (VL_MASK_I(31 - loffset + 1)) << loffset; - int nbitsonright = 32 - loffset; // bits that end up in lword + const IData hinsmask = (VL_MASK_I(hoffset - 0 + 1)) << 0; + const IData linsmask = (VL_MASK_I(31 - loffset + 1)) << loffset; + const int nbitsonright = 32 - loffset; // bits that end up in lword dp[lword].aval = (dp[lword].aval & ~linsmask) | ((s.aval << loffset) & linsmask); dp[lword].bval = (dp[lword].bval & ~linsmask) | ((s.bval << loffset) & linsmask); dp[hword].aval = (dp[hword].aval & ~hinsmask) | ((s.aval >> nbitsonright) & hinsmask); @@ -279,7 +279,7 @@ static void _vl_svGetBitArrElemVecVal(svBitVecVal* d, const svOpenArrayHandle s, case VLVT_UINT16: d[0] = *(reinterpret_cast(datap)); return; case VLVT_UINT32: d[0] = *(reinterpret_cast(datap)); return; case VLVT_UINT64: { - WData lwp[2]; + VlWide<2> lwp; VL_SET_WQ(lwp, *(reinterpret_cast(datap))); d[0] = lwp[0]; d[1] = lwp[1]; @@ -316,7 +316,7 @@ static void _vl_svGetLogicArrElemVecVal(svLogicVecVal* d, const svOpenArrayHandl d[0].bval = 0; return; case VLVT_UINT64: { - WData lwp[2]; + VlWide<2> lwp; VL_SET_WQ(lwp, *(reinterpret_cast(datap))); d[0].aval = lwp[0]; d[0].bval = 0; @@ -460,13 +460,13 @@ void svPutBitArrElemVecVal(const svOpenArrayHandle d, const svBitVecVal* s, int switch (varp->udims()) { case 1: _vl_svPutBitArrElemVecVal(d, s, 1, indx1, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); _vl_svPutBitArrElemVecVal(d, s, 2, indx1, indx2, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); _vl_svPutBitArrElemVecVal(d, s, 3, indx1, indx2, indx3); break; } @@ -492,13 +492,13 @@ void svPutLogicArrElemVecVal(const svOpenArrayHandle d, const svLogicVecVal* s, switch (varp->udims()) { case 1: _vl_svPutLogicArrElemVecVal(d, s, 1, indx1, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); _vl_svPutLogicArrElemVecVal(d, s, 2, indx1, indx2, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); _vl_svPutLogicArrElemVecVal(d, s, 3, indx1, indx2, indx3); break; } @@ -528,13 +528,13 @@ void svGetBitArrElemVecVal(svBitVecVal* d, const svOpenArrayHandle s, int indx1, switch (varp->udims()) { case 1: _vl_svGetBitArrElemVecVal(d, s, 1, indx1, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); _vl_svGetBitArrElemVecVal(d, s, 2, indx1, indx2, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); _vl_svGetBitArrElemVecVal(d, s, 3, indx1, indx2, indx3); break; } @@ -559,13 +559,13 @@ void svGetLogicArrElemVecVal(svLogicVecVal* d, const svOpenArrayHandle s, int in switch (varp->udims()) { case 1: _vl_svGetLogicArrElemVecVal(d, s, 1, indx1, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); _vl_svGetLogicArrElemVecVal(d, s, 2, indx1, indx2, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); _vl_svGetLogicArrElemVecVal(d, s, 3, indx1, indx2, indx3); break; } @@ -592,13 +592,13 @@ svBit svGetBitArrElem(const svOpenArrayHandle s, int indx1, ...) { switch (varp->udims()) { case 1: out = _vl_svGetBitArrElem(s, 1, indx1, 0, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); out = _vl_svGetBitArrElem(s, 2, indx1, indx2, 0, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); out = _vl_svGetBitArrElem(s, 3, indx1, indx2, indx3, 0); break; } @@ -625,13 +625,13 @@ svLogic svGetLogicArrElem(const svOpenArrayHandle s, int indx1, ...) { switch (varp->udims()) { case 1: out = _vl_svGetBitArrElem(s, 1, indx1, 0, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); out = _vl_svGetBitArrElem(s, 2, indx1, indx2, 0, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); out = _vl_svGetBitArrElem(s, 3, indx1, indx2, indx3, 0); break; } @@ -660,13 +660,13 @@ void svPutBitArrElem(const svOpenArrayHandle d, svBit value, int indx1, ...) { switch (varp->udims()) { case 1: _vl_svPutBitArrElem(d, value, 1, indx1, 0, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); _vl_svPutBitArrElem(d, value, 2, indx1, indx2, 0, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); _vl_svPutBitArrElem(d, value, 3, indx1, indx2, indx3, 0); break; } @@ -691,13 +691,13 @@ void svPutLogicArrElem(const svOpenArrayHandle d, svLogic value, int indx1, ...) switch (varp->udims()) { case 1: _vl_svPutBitArrElem(d, value, 1, indx1, 0, 0, 0); break; case 2: { - int indx2 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); _vl_svPutBitArrElem(d, value, 2, indx1, indx2, 0, 0); break; } case 3: { - int indx2 = va_arg(ap, int); - int indx3 = va_arg(ap, int); + const int indx2 = va_arg(ap, int); + const int indx3 = va_arg(ap, int); _vl_svPutBitArrElem(d, value, 3, indx1, indx2, indx3, 0); break; } diff --git a/include/verilated_dpi.h b/include/verilated_dpi.h index 8ad748e6a..d86e741fa 100644 --- a/include/verilated_dpi.h +++ b/include/verilated_dpi.h @@ -28,6 +28,7 @@ #include "verilatedos.h" #include "verilated.h" // Also presumably included by caller +#include "verilated_heavy.h" // Also presumably included by caller #include "verilated_sym_props.h" #include "svdpi.h" @@ -37,7 +38,7 @@ // Convert svBitVecVal to Verilator internal data static inline void VL_SET_W_SVBV(int obits, WDataOutP owp, const svBitVecVal* lwp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); + const int words = VL_WORDS_I(obits); for (int i = 0; i < words - 1; ++i) owp[i] = lwp[i]; owp[words - 1] = lwp[words - 1] & VL_MASK_I(obits); } @@ -47,20 +48,20 @@ static inline QData VL_SET_Q_SVBV(const svBitVecVal* lwp) VL_MT_SAFE { static inline IData VL_SET_I_SVBV(const svBitVecVal* lwp) VL_MT_SAFE { return lwp[0]; } // Convert Verilator internal data to svBitVecVal -static inline void VL_SET_SVBV_W(int obits, svBitVecVal* owp, WDataInP lwp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); +static inline void VL_SET_SVBV_W(int obits, svBitVecVal* owp, const WDataInP lwp) VL_MT_SAFE { + const int words = VL_WORDS_I(obits); for (int i = 0; i < words - 1; ++i) owp[i] = lwp[i]; owp[words - 1] = lwp[words - 1] & VL_MASK_I(obits); } -static inline void VL_SET_SVBV_I(int, svBitVecVal* owp, IData ld) VL_MT_SAFE { owp[0] = ld; } -static inline void VL_SET_SVBV_Q(int, svBitVecVal* owp, QData ld) VL_MT_SAFE { +static inline void VL_SET_SVBV_I(int, svBitVecVal* owp, const IData ld) VL_MT_SAFE { owp[0] = ld; } +static inline void VL_SET_SVBV_Q(int, svBitVecVal* owp, const QData ld) VL_MT_SAFE { VL_SET_WQ(owp, ld); } // Convert svLogicVecVal to Verilator internal data // Note these functions ignore X/Z in svLogicVecVal static inline void VL_SET_W_SVLV(int obits, WDataOutP owp, const svLogicVecVal* lwp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); + const int words = VL_WORDS_I(obits); for (int i = 0; i < words - 1; ++i) owp[i] = lwp[i].aval; owp[words - 1] = lwp[words - 1].aval & VL_MASK_I(obits); } @@ -71,18 +72,18 @@ static inline IData VL_SET_I_SVLV(const svLogicVecVal* lwp) VL_MT_SAFE { return // Convert Verilator internal data to svLogicVecVal // Note these functions never create X/Z in svLogicVecVal -static inline void VL_SET_SVLV_W(int obits, svLogicVecVal* owp, WDataInP lwp) VL_MT_SAFE { - int words = VL_WORDS_I(obits); +static inline void VL_SET_SVLV_W(int obits, svLogicVecVal* owp, const WDataInP lwp) VL_MT_SAFE { + const int words = VL_WORDS_I(obits); for (int i = 0; i < words; ++i) owp[i].bval = 0; for (int i = 0; i < words - 1; ++i) owp[i].aval = lwp[i]; owp[words - 1].aval = lwp[words - 1] & VL_MASK_I(obits); } -static inline void VL_SET_SVLV_I(int, svLogicVecVal* owp, IData ld) VL_MT_SAFE { +static inline void VL_SET_SVLV_I(int, svLogicVecVal* owp, const IData ld) VL_MT_SAFE { owp[0].aval = ld; owp[0].bval = 0; } -static inline void VL_SET_SVLV_Q(int, svLogicVecVal* owp, QData ld) VL_MT_SAFE { - WData lwp[2]; +static inline void VL_SET_SVLV_Q(int, svLogicVecVal* owp, const QData ld) VL_MT_SAFE { + VlWide<2> lwp; VL_SET_WQ(lwp, ld); owp[0].aval = lwp[0]; owp[0].bval = 0; diff --git a/include/verilated_fst_c.cpp b/include/verilated_fst_c.cpp index 0fccee988..9d91029de 100644 --- a/include/verilated_fst_c.cpp +++ b/include/verilated_fst_c.cpp @@ -150,7 +150,7 @@ void VerilatedFst::emitTimeChange(vluint64_t timeui) { fstWriterEmitTimeChange(m void VerilatedFst::declDTypeEnum(int dtypenum, const char* name, vluint32_t elements, unsigned int minValbits, const char** itemNamesp, const char** itemValuesp) { - fstEnumHandle enumNum + const fstEnumHandle enumNum = fstWriterCreateEnumTable(m_fst, name, elements, minValbits, itemNamesp, itemValuesp); m_local2fstdtype[dtypenum] = enumNum; } @@ -206,7 +206,7 @@ void VerilatedFst::declare(vluint32_t code, const char* name, int dtypenum, fstV std::string name_str = name_ss.str(); if (dtypenum > 0) { - fstEnumHandle enumNum = m_local2fstdtype[dtypenum]; + const fstEnumHandle enumNum = m_local2fstdtype[dtypenum]; fstWriterEmitEnumTableRef(m_fst, enumNum); } diff --git a/include/verilated_fst_sc.h b/include/verilated_fst_sc.h index b58e98fe7..c9ad874d7 100644 --- a/include/verilated_fst_sc.h +++ b/include/verilated_fst_sc.h @@ -42,9 +42,9 @@ public: // We want to avoid a depreciated warning, but still be back compatible. // Turning off the message just for this still results in an // annoying "to turn off" message. - sc_time t1sec(1, SC_SEC); + const sc_time t1sec(1, SC_SEC); if (t1sec.to_default_time_units() != 0) { - sc_time tunits(1.0 / t1sec.to_default_time_units(), SC_SEC); + const sc_time tunits(1.0 / t1sec.to_default_time_units(), SC_SEC); spTrace()->set_time_unit(tunits.to_string()); } spTrace()->set_time_resolution(sc_get_time_resolution().to_string()); diff --git a/include/verilated_heavy.h b/include/verilated_heavy.h index 95622b4ad..a0f8107bd 100644 --- a/include/verilated_heavy.h +++ b/include/verilated_heavy.h @@ -43,7 +43,7 @@ extern std::string VL_TO_STRING(SData lhs); extern std::string VL_TO_STRING(IData lhs); extern std::string VL_TO_STRING(QData lhs); inline std::string VL_TO_STRING(const std::string& obj) { return "\"" + obj + "\""; } -extern std::string VL_TO_STRING_W(int words, WDataInP obj); +extern std::string VL_TO_STRING_W(int words, const WDataInP obj); //=================================================================== // Shuffle RNG @@ -89,19 +89,24 @@ public: }; //=================================================================== -/// Verilog wide unpacked bit container. +/// Verilog wide packed bit container. /// Similar to std::array, but lighter weight, only methods needed /// by Verilator, to help compile time. /// +/// A 'struct' as we want this to be an aggregate type that allows +/// static aggregate initialization. Consider data members private. +/// /// For example a Verilog "bit [94:0]" will become a VlWide<3> because 3*32 /// bits are needed to hold the 95 bits. The MSB (bit 96) must always be /// zero in memory, but during intermediate operations in the Verilated /// internals is unpredictable. -template class VlWide final { - EData m_storage[T_Words]; +template struct VlWide final { + // MEMBERS + // This should be the only data member, otherwise generated static initializers need updating + EData m_storage[T_Words]; // Contents of the packed array -public: + // CONSTRUCTORS // cppcheck-suppress uninitVar VlWide() = default; ~VlWide() = default; @@ -111,10 +116,8 @@ public: // OPERATOR METHODS VlWide& operator=(const VlWide&) = default; VlWide& operator=(VlWide&&) = default; - const EData& operator[](size_t index) const { return m_storage[index]; }; - EData& operator[](size_t index) { return m_storage[index]; }; - operator WDataOutP() { return &m_storage[0]; } - operator WDataInP() const { return &m_storage[0]; } + operator WDataOutP() { return &m_storage[0]; } // This also allows [] + operator WDataInP() const { return &m_storage[0]; } // This also allows [] // METHODS const EData& at(size_t index) const { return m_storage[index]; } @@ -128,7 +131,8 @@ public: // Convert a C array to std::array reference by pointer magic, without copy. // Data type (second argument) is so the function template can automatically generate. -template VlWide& VL_CVT_W_A(WDataInP inp, const VlWide&) { +template +VlWide& VL_CVT_W_A(const WDataInP inp, const VlWide&) { return *((VlWide*)inp); } @@ -792,32 +796,27 @@ void VL_WRITEMEM_N(bool hex, int bits, const std::string& filename, VlWriteMem wmem(hex, bits, filename, start, end); if (VL_UNLIKELY(!wmem.isOpen())) return; for (const auto& i : obj) { - QData addr = i.first; + const QData addr = i.first; if (addr >= start && addr <= end) wmem.print(addr, true, &(i.second)); } } //=================================================================== -/// Verilog packed array container +/// Verilog unpacked array container /// For when a standard C++[] array is not sufficient, e.g. an /// array under a queue, or methods operating on the array. /// +/// A 'struct' as we want this to be an aggregate type that allows +/// static aggregate initialization. Consider data members private. +/// /// This class may get exposed to a Verilated Model's top I/O, if the top /// IO has an unpacked array. -template class VlUnpacked final { -private: - // TYPES - using Array = std::array; - -public: - using const_iterator = typename Array::const_iterator; - -private: +template struct VlUnpacked final { // MEMBERS - Array m_array; // Contents of the packed array + // This should be the only data member, otherwise generated static initializers need updating + T_Value m_storage[T_Depth]; // Contents of the unpacked array -public: // CONSTRUCTORS VlUnpacked() = default; ~VlUnpacked() = default; @@ -828,18 +827,18 @@ public: // METHODS // Raw access - WData* data() { return &m_array[0]; } - const WData* data() const { return &m_array[0]; } + WData* data() { return &m_storage[0]; } + const WData* data() const { return &m_storage[0]; } - T_Value& operator[](size_t index) { return m_array[index]; }; - const T_Value& operator[](size_t index) const { return m_array[index]; }; + T_Value& operator[](size_t index) { return m_storage[index]; }; + const T_Value& operator[](size_t index) const { return m_storage[index]; }; // Dumping. Verilog: str = $sformatf("%p", assoc) std::string to_string() const { std::string out = "'{"; std::string comma; for (int i = 0; i < T_Depth; ++i) { - out += comma + VL_TO_STRING(m_array[i]); + out += comma + VL_TO_STRING(m_storage[i]); comma = ", "; } return out + "} "; @@ -878,16 +877,16 @@ static inline bool VL_CAST_DYNAMIC(VlClassRef in, VlClassRef& outr) { //====================================================================== // Conversion functions -extern std::string VL_CVT_PACK_STR_NW(int lwords, WDataInP lwp) VL_MT_SAFE; +extern std::string VL_CVT_PACK_STR_NW(int lwords, const WDataInP lwp) VL_MT_SAFE; inline std::string VL_CVT_PACK_STR_NQ(QData lhs) VL_PURE { - WData lw[VL_WQ_WORDS_E]; + VlWide lw; VL_SET_WQ(lw, lhs); return VL_CVT_PACK_STR_NW(VL_WQ_WORDS_E, lw); } inline std::string VL_CVT_PACK_STR_NN(const std::string& lhs) VL_PURE { return lhs; } inline std::string& VL_CVT_PACK_STR_NN(std::string& lhs) VL_PURE { return lhs; } inline std::string VL_CVT_PACK_STR_NI(IData lhs) VL_PURE { - WData lw[VL_WQ_WORDS_E]; + VlWide lw; VL_SET_WI(lw, lhs); return VL_CVT_PACK_STR_NW(1, lw); } @@ -926,31 +925,31 @@ extern void VL_TIMEFORMAT_IINI(int units, int precision, const std::string& suff VerilatedContext* contextp) VL_MT_SAFE; extern IData VL_VALUEPLUSARGS_INW(int rbits, const std::string& ld, WDataOutP rwp) VL_MT_SAFE; inline IData VL_VALUEPLUSARGS_INI(int rbits, const std::string& ld, CData& rdr) VL_MT_SAFE { - WData rwp[2]; // WData must always be at least 2 + VlWide<2> rwp; // WData must always be at least 2 IData got = VL_VALUEPLUSARGS_INW(rbits, ld, rwp); if (got) rdr = rwp[0]; return got; } inline IData VL_VALUEPLUSARGS_INI(int rbits, const std::string& ld, SData& rdr) VL_MT_SAFE { - WData rwp[2]; // WData must always be at least 2 + VlWide<2> rwp; // WData must always be at least 2 IData got = VL_VALUEPLUSARGS_INW(rbits, ld, rwp); if (got) rdr = rwp[0]; return got; } inline IData VL_VALUEPLUSARGS_INI(int rbits, const std::string& ld, IData& rdr) VL_MT_SAFE { - WData rwp[2]; + VlWide<2> rwp; IData got = VL_VALUEPLUSARGS_INW(rbits, ld, rwp); if (got) rdr = rwp[0]; return got; } inline IData VL_VALUEPLUSARGS_INQ(int rbits, const std::string& ld, QData& rdr) VL_MT_SAFE { - WData rwp[2]; + VlWide<2> rwp; IData got = VL_VALUEPLUSARGS_INW(rbits, ld, rwp); if (got) rdr = VL_SET_QW(rwp); return got; } inline IData VL_VALUEPLUSARGS_INQ(int rbits, const std::string& ld, double& rdr) VL_MT_SAFE { - WData rwp[2]; + VlWide<2> rwp; IData got = VL_VALUEPLUSARGS_INW(rbits, ld, rwp); if (got) rdr = VL_CVT_D_Q(VL_SET_QW(rwp)); return got; diff --git a/include/verilated_save.cpp b/include/verilated_save.cpp index df5ada28c..0c07022ea 100644 --- a/include/verilated_save.cpp +++ b/include/verilated_save.cpp @@ -72,9 +72,10 @@ bool VerilatedDeserialize::readDiffers(const void* __restrict datap, VerilatedDeserialize& VerilatedDeserialize::readAssert(const void* __restrict datap, size_t size) VL_MT_UNSAFE_ONE { if (VL_UNLIKELY(readDiffers(datap, size))) { - std::string fn = filename(); - std::string msg = "Can't deserialize save-restore file as was made from different model: " - + filename(); + const std::string fn = filename(); + const std::string msg + = "Can't deserialize save-restore file as was made from different model: " + + filename(); VL_FATAL_MT(fn.c_str(), 0, "", msg.c_str()); // Die before we close() as close would infinite loop } @@ -90,8 +91,8 @@ void VerilatedSerialize::header() VL_MT_UNSAFE_ONE { void VerilatedDeserialize::header() VL_MT_UNSAFE_ONE { VerilatedDeserialize& os = *this; // So can cut and paste standard >> code below if (VL_UNLIKELY(os.readDiffers(VLTSAVE_HEADER_STR, std::strlen(VLTSAVE_HEADER_STR)))) { - std::string fn = filename(); - std::string msg + const std::string fn = filename(); + const std::string msg = std::string( "Can't deserialize; file has wrong header signature, or file not found: ") + filename(); @@ -109,9 +110,10 @@ void VerilatedSerialize::trailer() VL_MT_UNSAFE_ONE { void VerilatedDeserialize::trailer() VL_MT_UNSAFE_ONE { VerilatedDeserialize& os = *this; // So can cut and paste standard >> code below if (VL_UNLIKELY(os.readDiffers(VLTSAVE_TRAILER_STR, std::strlen(VLTSAVE_TRAILER_STR)))) { - std::string fn = filename(); - std::string msg = std::string("Can't deserialize; file has wrong end-of-file signature: ") - + filename(); + const std::string fn = filename(); + const std::string msg + = std::string("Can't deserialize; file has wrong end-of-file signature: ") + + filename(); VL_FATAL_MT(fn.c_str(), 0, "", msg.c_str()); // Die before we close() as close would infinite loop } @@ -192,10 +194,10 @@ void VerilatedSave::flush() VL_MT_UNSAFE_ONE { if (VL_UNLIKELY(!isOpen())) return; vluint8_t* wp = m_bufp; while (true) { - ssize_t remaining = (m_cp - wp); + const ssize_t remaining = (m_cp - wp); if (remaining == 0) break; errno = 0; - ssize_t got = ::write(m_fd, wp, remaining); + const ssize_t got = ::write(m_fd, wp, remaining); if (got > 0) { wp += got; } else if (VL_UNCOVERABLE(got < 0)) { @@ -223,17 +225,17 @@ void VerilatedRestore::fill() VL_MT_UNSAFE_ONE { m_cp = m_bufp; // Reset buffer // Read into buffer starting at m_endp while (true) { - ssize_t remaining = (m_bufp + bufferSize() - m_endp); + const ssize_t remaining = (m_bufp + bufferSize() - m_endp); if (remaining == 0) break; errno = 0; - ssize_t got = ::read(m_fd, m_endp, remaining); + const ssize_t got = ::read(m_fd, m_endp, remaining); if (got > 0) { m_endp += got; } else if (VL_UNCOVERABLE(got < 0)) { if (VL_UNCOVERABLE(errno != EAGAIN && errno != EINTR)) { // LCOV_EXCL_START // write failed, presume error (perhaps out of disk space) - std::string msg = std::string(__FUNCTION__) + ": " + std::strerror(errno); + const std::string msg = std::string(__FUNCTION__) + ": " + std::strerror(errno); VL_FATAL_MT("", 0, "", msg.c_str()); close(); break; diff --git a/include/verilated_save.h b/include/verilated_save.h index 937e59524..1a6c14e13 100644 --- a/include/verilated_save.h +++ b/include/verilated_save.h @@ -236,43 +236,43 @@ public: //============================================================================= -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, vluint64_t& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const vluint64_t& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, vluint64_t& rhs) { return os.read(&rhs, sizeof(rhs)); } -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, vluint32_t& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const vluint32_t& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, vluint32_t& rhs) { return os.read(&rhs, sizeof(rhs)); } -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, vluint16_t& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const vluint16_t& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, vluint16_t& rhs) { return os.read(&rhs, sizeof(rhs)); } -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, vluint8_t& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const vluint8_t& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, vluint8_t& rhs) { return os.read(&rhs, sizeof(rhs)); } -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, bool& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const bool& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, bool& rhs) { return os.read(&rhs, sizeof(rhs)); } -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, double& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const double& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, double& rhs) { return os.read(&rhs, sizeof(rhs)); } -inline VerilatedSerialize& operator<<(VerilatedSerialize& os, float& rhs) { +inline VerilatedSerialize& operator<<(VerilatedSerialize& os, const float& rhs) { return os.write(&rhs, sizeof(rhs)); } inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, float& rhs) { @@ -295,11 +295,11 @@ VerilatedDeserialize& operator>>(VerilatedDeserialize& os, VerilatedContext* rhs template VerilatedSerialize& operator<<(VerilatedSerialize& os, VlAssocArray& rhs) { os << rhs.atDefault(); - vluint32_t len = rhs.size(); + const vluint32_t len = rhs.size(); os << len; for (const auto& i : rhs) { - T_Key index = i.first; // Copy to get around const_iterator - T_Value value = i.second; + const T_Key index = i.first; // Copy to get around const_iterator + const T_Value value = i.second; os << index << value; } return os; diff --git a/include/verilated_sym_props.h b/include/verilated_sym_props.h index 4294aa0c6..2373760e0 100644 --- a/include/verilated_sym_props.h +++ b/include/verilated_sym_props.h @@ -152,30 +152,34 @@ public: const VerilatedRange& unpacked() const { return m_unpacked[0]; } // DPI accessors int left(int dim) const { - return dim == 0 ? m_packed.left() - : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].left() : 0; + return dim == 0 ? m_packed.left() + : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].left() + : 0; } int right(int dim) const { - return dim == 0 ? m_packed.right() - : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].right() : 0; + return dim == 0 ? m_packed.right() + : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].right() + : 0; } int low(int dim) const { - return dim == 0 ? m_packed.low() - : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].low() : 0; + return dim == 0 ? m_packed.low() + : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].low() + : 0; } int high(int dim) const { - return dim == 0 ? m_packed.high() - : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].high() : 0; + return dim == 0 ? m_packed.high() + : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].high() + : 0; } int increment(int dim) const { - return dim == 0 - ? m_packed.increment() - : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].increment() : 0; + return dim == 0 ? m_packed.increment() + : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].increment() + : 0; } int elements(int dim) const { - return dim == 0 - ? m_packed.elements() - : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].elements() : 0; + return dim == 0 ? m_packed.elements() + : VL_LIKELY(dim >= 1 && dim <= udims()) ? m_unpacked[dim - 1].elements() + : 0; } // Total size in bytes (note DPI limited to 4GB) size_t totalSize() const; diff --git a/include/verilated_threads.cpp b/include/verilated_threads.cpp index 49e2f2624..8d3480540 100644 --- a/include/verilated_threads.cpp +++ b/include/verilated_threads.cpp @@ -74,7 +74,7 @@ void VlWorkerThread::workerLoop() { if (VL_UNLIKELY(m_exiting.load(std::memory_order_acquire))) break; if (VL_LIKELY(work.m_fnp)) { - work.m_fnp(work.m_evenCycle, work.m_sym); + work.m_fnp(work.m_selfp, work.m_evenCycle); work.m_fnp = nullptr; } } @@ -93,7 +93,7 @@ void VlWorkerThread::startWorker(VlWorkerThread* workerp) { VlThreadPool::VlThreadPool(VerilatedContext* contextp, int nThreads, bool profiling) : m_profiling{profiling} { // --threads N passes nThreads=N-1, as the "main" threads counts as 1 - unsigned cpus = std::thread::hardware_concurrency(); + const unsigned cpus = std::thread::hardware_concurrency(); if (cpus < nThreads + 1) { static int warnedOnce = 0; if (!warnedOnce++) { @@ -149,7 +149,7 @@ void VlThreadPool::profileDump(const char* filenamep, vluint64_t ticksElapsed) const VerilatedLockGuard lk(m_mutex); VL_DEBUG_IF(VL_DBG_MSGF("+prof+threads writing to '%s'\n", filenamep);); - FILE* fp = std::fopen(filenamep, "w"); + FILE* const fp = std::fopen(filenamep, "w"); if (VL_UNLIKELY(!fp)) { VL_FATAL_MT(filenamep, 0, "", "+prof+threads+file file not writable"); // cppcheck-suppress resourceLeak // bug, doesn't realize fp is nullptr diff --git a/include/verilated_threads.h b/include/verilated_threads.h index 3416ae965..b6163477b 100644 --- a/include/verilated_threads.h +++ b/include/verilated_threads.h @@ -48,12 +48,12 @@ #endif // clang-format on -// VlMTaskVertex and VlThreadpool will work with multiple symbol table types. +// VlMTaskVertex and VlThreadpool will work with multiple model class types. // Since the type is opaque to VlMTaskVertex and VlThreadPool, represent it // as a void* here. -using VlThrSymTab = void*; +using VlSelfP = void*; -using VlExecFnp = void (*)(bool, VlThrSymTab); +using VlExecFnp = void (*)(VlSelfP, bool); // Track dependencies for a single MTask. class VlMTaskVertex final { @@ -99,19 +99,19 @@ public: // false while it's still waiting on more dependencies. inline bool signalUpstreamDone(bool evenCycle) { if (evenCycle) { - vluint32_t upstreamDepsDone + const vluint32_t upstreamDepsDone = 1 + m_upstreamDepsDone.fetch_add(1, std::memory_order_release); assert(upstreamDepsDone <= m_upstreamDepCount); return (upstreamDepsDone == m_upstreamDepCount); } else { - vluint32_t upstreamDepsDone_prev + const vluint32_t upstreamDepsDone_prev = m_upstreamDepsDone.fetch_sub(1, std::memory_order_release); assert(upstreamDepsDone_prev > 0); return (upstreamDepsDone_prev == 1); } } inline bool areUpstreamDepsDone(bool evenCycle) const { - vluint32_t target = evenCycle ? m_upstreamDepCount : 0; + const vluint32_t target = evenCycle ? m_upstreamDepCount : 0; return m_upstreamDepsDone.load(std::memory_order_acquire) == target; } inline void waitUntilUpstreamDone(bool evenCycle) const { @@ -177,15 +177,15 @@ private: // TYPES struct ExecRec { VlExecFnp m_fnp; // Function to execute - VlThrSymTab m_sym; // Symbol table to execute + VlSelfP m_selfp; // Symbol table to execute bool m_evenCycle; // Even/odd for flag alternation ExecRec() : m_fnp{nullptr} - , m_sym{nullptr} + , m_selfp{nullptr} , m_evenCycle{false} {} - ExecRec(VlExecFnp fnp, bool evenCycle, VlThrSymTab sym) + ExecRec(VlExecFnp fnp, VlSelfP selfp, bool evenCycle) : m_fnp{fnp} - , m_sym{sym} + , m_selfp{selfp} , m_evenCycle{evenCycle} {} }; @@ -237,13 +237,13 @@ public: m_ready.erase(m_ready.begin()); m_ready_size.fetch_sub(1, std::memory_order_relaxed); } - inline void wakeUp() { addTask(nullptr, false, nullptr); } - inline void addTask(VlExecFnp fnp, bool evenCycle, VlThrSymTab sym) + inline void wakeUp() { addTask(nullptr, nullptr, false); } + inline void addTask(VlExecFnp fnp, VlSelfP selfp, bool evenCycle) VL_MT_SAFE_EXCLUDES(m_mutex) { bool notify; { const VerilatedLockGuard lk(m_mutex); - m_ready.emplace_back(fnp, evenCycle, sym); + m_ready.emplace_back(fnp, selfp, evenCycle); m_ready_size.fetch_add(1, std::memory_order_relaxed); notify = m_waiting; } diff --git a/include/verilated_vcd_c.cpp b/include/verilated_vcd_c.cpp index ccbccde8e..798618643 100644 --- a/include/verilated_vcd_c.cpp +++ b/include/verilated_vcd_c.cpp @@ -129,7 +129,7 @@ void VerilatedVcd::openNextImp(bool incFilename) { if (incFilename) { // Find _0000.{ext} in filename std::string name = m_filename; - size_t pos = name.rfind('.'); + const size_t pos = name.rfind('.'); if (pos > 8 && 0 == std::strncmp("_cat", name.c_str() + pos - 8, 4) && std::isdigit(name.c_str()[pos - 4]) && std::isdigit(name.c_str()[pos - 3]) && std::isdigit(name.c_str()[pos - 2]) && std::isdigit(name.c_str()[pos - 1])) { @@ -299,10 +299,10 @@ void VerilatedVcd::bufferFlush() VL_MT_UNSAFE_ONE { if (VL_UNLIKELY(!isOpen())) return; char* wp = m_wrBufp; while (true) { - ssize_t remaining = (m_writep - wp); + const ssize_t remaining = (m_writep - wp); if (remaining == 0) break; errno = 0; - ssize_t got = m_filep->write(wp, remaining); + const ssize_t got = m_filep->write(wp, remaining); if (got > 0) { wp += got; m_wroteBytes += got; @@ -352,7 +352,7 @@ void VerilatedVcd::dumpHeader() { printStr("$version Generated by VerilatedVcd $end\n"); printStr("$date "); { - time_t tick = time(nullptr); + const time_t tick = time(nullptr); tm ticktm; VL_LOCALTIME_R(&tick, &ticktm); constexpr int bufsize = 50; diff --git a/include/verilated_vcd_c.h b/include/verilated_vcd_c.h index d167d3977..6eb3f1d6b 100644 --- a/include/verilated_vcd_c.h +++ b/include/verilated_vcd_c.h @@ -233,11 +233,11 @@ public: // Inside dumping routines, dump one signal if it has changed. // We do want to inline these to avoid calls when the value did not change. inline void chgBit(vluint32_t code, const vluint32_t newval) { - vluint32_t diff = oldp(code)[0] ^ newval; + const vluint32_t diff = oldp(code)[0] ^ newval; if (VL_UNLIKELY(diff)) fullBit(code, newval); } inline void chgBus(vluint32_t code, const vluint32_t newval, int bits) { - vluint32_t diff = oldp(code)[0] ^ newval; + const vluint32_t diff = oldp(code)[0] ^ newval; if (VL_UNLIKELY(diff)) { if (VL_UNLIKELY(bits == 32 || (diff & ((1U << bits) - 1)))) { fullBus(code, newval, bits); @@ -245,7 +245,7 @@ public: } } inline void chgQuad(vluint32_t code, const vluint64_t newval, int bits) { - vluint64_t diff = (*(reinterpret_cast(oldp(code)))) ^ newval; + const vluint64_t diff = (*(reinterpret_cast(oldp(code)))) ^ newval; if (VL_UNLIKELY(diff)) { if (VL_UNLIKELY(bits == 64 || (diff & ((1ULL << bits) - 1)))) { fullQuad(code, newval, bits); @@ -270,7 +270,7 @@ public: } } inline void chgTriBit(vluint32_t code, const vluint32_t newval, const vluint32_t newtri) { - vluint32_t diff = ((oldp(code)[0] ^ newval) | (oldp(code)[1] ^ newtri)); + const vluint32_t diff = ((oldp(code)[0] ^ newval) | (oldp(code)[1] ^ newtri)); if (VL_UNLIKELY(diff)) { // Verilator 3.510 and newer provide clean input, so the below // is only for back compatibility @@ -281,7 +281,7 @@ public: } inline void chgTriBus(vluint32_t code, const vluint32_t newval, const vluint32_t newtri, int bits) { - vluint32_t diff = ((oldp(code)[0] ^ newval) | (oldp(code)[1] ^ newtri)); + const vluint32_t diff = ((oldp(code)[0] ^ newval) | (oldp(code)[1] ^ newtri)); if (VL_UNLIKELY(diff)) { if (VL_UNLIKELY(bits == 32 || (diff & ((1U << bits) - 1)))) { fullTriBus(code, newval, newtri, bits); @@ -290,8 +290,8 @@ public: } inline void chgTriQuad(vluint32_t code, const vluint64_t newval, const vluint64_t newtri, int bits) { - vluint64_t diff = (((*(reinterpret_cast(oldp(code)))) ^ newval) - | ((*(reinterpret_cast(oldp(code + 1)))) ^ newtri)); + const vluint64_t diff = (((*(reinterpret_cast(oldp(code)))) ^ newval) + | ((*(reinterpret_cast(oldp(code + 1)))) ^ newtri)); if (VL_UNLIKELY(diff)) { if (VL_UNLIKELY(bits == 64 || (diff & ((1ULL << bits) - 1)))) { fullTriQuad(code, newval, newtri, bits); diff --git a/include/verilated_vcd_sc.h b/include/verilated_vcd_sc.h index 415f1911c..de6e6d943 100644 --- a/include/verilated_vcd_sc.h +++ b/include/verilated_vcd_sc.h @@ -44,9 +44,9 @@ public: // We want to avoid a depreciated warning, but still be back compatible. // Turning off the message just for this still results in an // annoying "to turn off" message. - sc_time t1sec(1, SC_SEC); + const sc_time t1sec(1, SC_SEC); if (t1sec.to_default_time_units() != 0) { - sc_time tunits(1.0 / t1sec.to_default_time_units(), SC_SEC); + const sc_time tunits(1.0 / t1sec.to_default_time_units(), SC_SEC); spTrace()->set_time_unit(tunits.to_string()); } spTrace()->set_time_resolution(sc_get_time_resolution().to_string()); diff --git a/include/verilated_vpi.cpp b/include/verilated_vpi.cpp index c3346429e..eb9e254a3 100644 --- a/include/verilated_vpi.cpp +++ b/include/verilated_vpi.cpp @@ -310,7 +310,7 @@ public: return dynamic_cast(reinterpret_cast(h)); } vluint32_t mask() const { return m_mask.u32; } - vluint8_t mask_byte(int idx) { return m_mask.u8[idx & 3]; } + vluint8_t mask_byte(int idx) const { return m_mask.u8[idx & 3]; } vluint32_t entSize() const { return m_entSize; } vluint32_t index() const { return m_index; } virtual vluint32_t type() const override { @@ -365,7 +365,7 @@ public: virtual vluint32_t type() const override { return vpiIterator; } virtual vpiHandle dovpi_scan() override { if (VL_LIKELY(m_scopep->varsp())) { - VerilatedVarNameMap* varsp = m_scopep->varsp(); + const VerilatedVarNameMap* const varsp = m_scopep->varsp(); if (VL_UNLIKELY(!m_started)) { m_it = varsp->begin(); m_started = true; @@ -564,7 +564,7 @@ public: } static void callTimedCbs() VL_MT_UNSAFE_ONE { assertOneCheck(); - QData time = VL_TIME_Q(); + const QData time = VL_TIME_Q(); for (auto it = s().m_timedCbs.begin(); it != s().m_timedCbs.end();) { if (VL_UNLIKELY(it->first.first <= time)) { VerilatedVpiCbHolder& ho = it->second; @@ -587,7 +587,7 @@ public: if (VL_LIKELY(it != s().m_timedCbs.cend())) return it->first.first; return ~0ULL; // maxquad } - static bool callCbs(vluint32_t reason) VL_MT_UNSAFE_ONE { + static bool callCbs(const vluint32_t reason) VL_MT_UNSAFE_ONE { VpioCbList& cbObjList = s().m_cbObjLists[reason]; bool called = false; if (cbObjList.empty()) return called; @@ -619,7 +619,7 @@ public: const auto last = std::prev(cbObjList.end()); // prevent looping over newly added elements for (auto it = cbObjList.begin(); true;) { // cbReasonRemove sets to nullptr, so we know on removal the old end() will still exist - bool was_last = it == last; + const bool was_last = it == last; if (VL_UNLIKELY(it->invalid())) { // Deleted earlier, cleanup it = cbObjList.erase(it); if (was_last) break; @@ -715,7 +715,7 @@ public: void resetError() { m_flag = false; } static void vpi_unsupported() { // Not supported yet - p_vpi_error_info error_info_p = VerilatedVpiImp::error_info()->getError(); + const p_vpi_error_info error_info_p = VerilatedVpiImp::error_info()->getError(); if (error_info_p) { VL_FATAL_MT(error_info_p->file, error_info_p->line, "", error_info_p->message); return; @@ -1300,9 +1300,9 @@ vpiHandle vpi_register_cb(p_cb_data cb_data_p) { case cbAfterDelay: { QData time = 0; if (cb_data_p->time) time = VL_SET_QII(cb_data_p->time->high, cb_data_p->time->low); - QData abstime = VL_TIME_Q() + time; + const QData abstime = VL_TIME_Q() + time; vluint64_t id = VerilatedVpiImp::nextCallbackId(); - VerilatedVpioTimedCb* vop = new VerilatedVpioTimedCb{id, abstime}; + VerilatedVpioTimedCb* const vop = new VerilatedVpioTimedCb{id, abstime}; VerilatedVpiImp::cbTimedAdd(id, cb_data_p, abstime); return vop->castVpiHandle(); } @@ -1316,8 +1316,8 @@ vpiHandle vpi_register_cb(p_cb_data cb_data_p) { case cbEnterInteractive: // FALLTHRU // NOP, but need to return handle, so make object case cbExitInteractive: // FALLTHRU // NOP, but need to return handle, so make object case cbInteractiveScopeChange: { // FALLTHRU // NOP, but need to return handle, so make object - vluint64_t id = VerilatedVpiImp::nextCallbackId(); - VerilatedVpioReasonCb* vop = new VerilatedVpioReasonCb{id, cb_data_p->reason}; + const vluint64_t id = VerilatedVpiImp::nextCallbackId(); + VerilatedVpioReasonCb* const vop = new VerilatedVpioReasonCb{id, cb_data_p->reason}; VerilatedVpiImp::cbReasonAdd(id, cb_data_p); return vop->castVpiHandle(); } @@ -1332,7 +1332,7 @@ PLI_INT32 vpi_remove_cb(vpiHandle cb_obj) { VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_remove_cb %p\n", cb_obj);); VerilatedVpiImp::assertOneCheck(); VL_VPI_ERROR_RESET_(); - VerilatedVpio* vop = VerilatedVpio::castp(cb_obj); + VerilatedVpio* const vop = VerilatedVpio::castp(cb_obj); if (VL_UNLIKELY(!vop)) return 0; return vop->dovpi_remove_cb(); } @@ -1355,7 +1355,7 @@ vpiHandle vpi_handle_by_name(PLI_BYTE8* namep, vpiHandle scope) { VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_handle_by_name %s %p\n", namep, scope);); const VerilatedVar* varp = nullptr; const VerilatedScope* scopep; - VerilatedVpioScope* voScopep = VerilatedVpioScope::castp(scope); + const VerilatedVpioScope* const voScopep = VerilatedVpioScope::castp(scope); std::string scopeAndName = namep; if (voScopep) { scopeAndName = std::string(voScopep->fullname()) + "." + namep; @@ -1373,7 +1373,7 @@ vpiHandle vpi_handle_by_name(PLI_BYTE8* namep, vpiHandle scope) { } const char* baseNamep = scopeAndName.c_str(); std::string scopename; - const char* dotp = std::strrchr(namep, '.'); + const char* const dotp = std::strrchr(namep, '.'); if (VL_LIKELY(dotp)) { baseNamep = dotp + 1; scopename = std::string(namep, dotp - namep); @@ -1407,7 +1407,7 @@ vpiHandle vpi_handle_by_index(vpiHandle object, PLI_INT32 indx) { // Memory words are not indexable VerilatedVpioMemoryWord* vop = VerilatedVpioMemoryWord::castp(object); if (VL_UNLIKELY(vop)) return nullptr; - VerilatedVpioVar* varop = VerilatedVpioVar::castp(object); + const VerilatedVpioVar* const varop = VerilatedVpioVar::castp(object); if (VL_LIKELY(varop)) { if (varop->varp()->dims() < 2) return nullptr; if (VL_LIKELY(varop->varp()->unpacked().left() >= varop->varp()->unpacked().right())) { @@ -1496,7 +1496,7 @@ vpiHandle vpi_iterate(PLI_INT32 type, vpiHandle object) { VL_VPI_ERROR_RESET_(); switch (type) { case vpiMemoryWord: { - VerilatedVpioVar* vop = VerilatedVpioVar::castp(object); + const VerilatedVpioVar* const vop = VerilatedVpioVar::castp(object); if (VL_UNLIKELY(!vop)) return nullptr; if (vop->varp()->dims() < 2) return nullptr; if (vop->varp()->dims() > 2) { @@ -1508,7 +1508,7 @@ vpiHandle vpi_iterate(PLI_INT32 type, vpiHandle object) { return (new VerilatedVpioMemoryWordIter(object, vop->varp()))->castVpiHandle(); } case vpiRange: { - VerilatedVpioVar* vop = VerilatedVpioVar::castp(object); + const VerilatedVpioVar* const vop = VerilatedVpioVar::castp(object); if (VL_UNLIKELY(!vop)) return nullptr; if (vop->varp()->dims() < 2) return nullptr; // Unsupported is multidim list @@ -1521,15 +1521,15 @@ vpiHandle vpi_iterate(PLI_INT32 type, vpiHandle object) { return ((new VerilatedVpioRangeIter(vop->rangep()))->castVpiHandle()); } case vpiReg: { - VerilatedVpioScope* vop = VerilatedVpioScope::castp(object); + const VerilatedVpioScope* const vop = VerilatedVpioScope::castp(object); if (VL_UNLIKELY(!vop)) return nullptr; return ((new VerilatedVpioVarIter(vop->scopep()))->castVpiHandle()); } case vpiModule: { - VerilatedVpioModule* vop = VerilatedVpioModule::castp(object); - const VerilatedHierarchyMap* map = VerilatedImp::hierarchyMap(); - const VerilatedScope* mod = vop ? vop->scopep() : nullptr; - const auto it = vlstd::as_const(map)->find(const_cast(mod)); + const VerilatedVpioModule* const vop = VerilatedVpioModule::castp(object); + const VerilatedHierarchyMap* const map = VerilatedImp::hierarchyMap(); + const VerilatedScope* const modp = vop ? vop->scopep() : nullptr; + const auto it = vlstd::as_const(map)->find(const_cast(modp)); if (it == map->end()) return nullptr; return ((new VerilatedVpioModuleIter(it->second))->castVpiHandle()); } @@ -1560,30 +1560,30 @@ PLI_INT32 vpi_get(PLI_INT32 property, vpiHandle object) { return Verilated::threadContextp()->timeprecision(); } case vpiTimeUnit: { - VerilatedVpioScope* vop = VerilatedVpioScope::castp(object); + const VerilatedVpioScope* const vop = VerilatedVpioScope::castp(object); if (!vop) return Verilated::threadContextp()->timeunit(); // Null asks for global, not unlikely return vop->scopep()->timeunit(); } case vpiType: { - VerilatedVpio* vop = VerilatedVpio::castp(object); + const VerilatedVpio* const vop = VerilatedVpio::castp(object); if (VL_UNLIKELY(!vop)) return 0; return vop->type(); } case vpiDirection: { // By forthought, the directions already are vpi enumerated - VerilatedVpioVarBase* vop = VerilatedVpioVarBase::castp(object); + const VerilatedVpioVarBase* const vop = VerilatedVpioVarBase::castp(object); if (VL_UNLIKELY(!vop)) return 0; return vop->varp()->vldir(); } case vpiScalar: // FALLTHRU case vpiVector: { - VerilatedVpioVarBase* vop = VerilatedVpioVarBase::castp(object); + const VerilatedVpioVarBase* const vop = VerilatedVpioVarBase::castp(object); if (VL_UNLIKELY(!vop)) return 0; return (property == vpiVector) ^ (vop->varp()->dims() == 0); } case vpiSize: { - VerilatedVpioVarBase* vop = VerilatedVpioVarBase::castp(object); + const VerilatedVpioVarBase* const vop = VerilatedVpioVarBase::castp(object); if (VL_UNLIKELY(!vop)) return 0; return vop->size(); } @@ -1602,7 +1602,7 @@ PLI_INT64 vpi_get64(PLI_INT32 /*property*/, vpiHandle /*object*/) { PLI_BYTE8* vpi_get_str(PLI_INT32 property, vpiHandle object) { VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_get_str %d %p\n", property, object);); VerilatedVpiImp::assertOneCheck(); - VerilatedVpio* vop = VerilatedVpio::castp(object); + const VerilatedVpio* const vop = VerilatedVpio::castp(object); VL_VPI_ERROR_RESET_(); if (VL_UNLIKELY(!vop)) return nullptr; switch (property) { @@ -1725,7 +1725,7 @@ void vl_get_value(const VerilatedVar* varp, void* varDatap, p_vpi_value valuep, __FILE__, __LINE__, "", "vpi_get_value with more than VL_MULS_MAX_WORDS; increase and recompile"); } - WDataInP datap = (reinterpret_cast(varDatap)); + const WDataInP datap = (reinterpret_cast(varDatap)); for (int i = 0; i < words; ++i) { t_out[i].aval = datap[i]; t_out[i].bval = 0; @@ -1756,7 +1756,7 @@ void vl_get_value(const VerilatedVar* varp, void* varDatap, p_vpi_value valuep, } else if (valuep->format == vpiOctStrVal) { valuep->value.str = t_outStr; int chars = (varp->packed().elements() + 2) / 3; - int bytes = VL_BYTES_I(varp->packed().elements()); + const int bytes = VL_BYTES_I(varp->packed().elements()); CData* datap = (reinterpret_cast(varDatap)); int i; if (chars > t_outStrSz) { @@ -1770,7 +1770,7 @@ void vl_get_value(const VerilatedVar* varp, void* varDatap, p_vpi_value valuep, chars = t_outStrSz; } for (i = 0; i < chars; ++i) { - div_t idx = div(i * 3, 8); + const div_t idx = div(i * 3, 8); int val = datap[idx.quot]; if ((idx.quot + 1) < bytes) { // if the next byte is valid or that in @@ -1832,7 +1832,7 @@ void vl_get_value(const VerilatedVar* varp, void* varDatap, p_vpi_value valuep, if (i == (chars - 1)) { // most signifcant char, mask off non existant bits when vector // size is not a multiple of 4 - unsigned int rem = varp->packed().elements() & 3; + const unsigned int rem = varp->packed().elements() & 3; if (rem) { // generate bit mask & zero non existant bits val &= (1 << rem) - 1; @@ -1862,7 +1862,7 @@ void vl_get_value(const VerilatedVar* varp, void* varDatap, p_vpi_value valuep, bytes = t_outStrSz; } for (i = 0; i < bytes; ++i) { - char val = datap[bytes - i - 1]; + const char val = datap[bytes - i - 1]; // other simulators replace [leading?] zero chars with spaces, replicate here. t_outStr[i] = val ? val : ' '; } @@ -1896,7 +1896,7 @@ void vpi_get_value(vpiHandle object, p_vpi_value valuep) { if (VerilatedVpioVar* vop = VerilatedVpioVar::castp(object)) { vl_get_value(vop->varp(), vop->varDatap(), valuep, vop->fullname()); return; - } else if (VerilatedVpioParam* vop = VerilatedVpioParam::castp(object)) { + } else if (const VerilatedVpioParam* const vop = VerilatedVpioParam::castp(object)) { vl_get_value(vop->varp(), vop->varDatap(), valuep, vop->fullname()); return; } else if (VerilatedVpioConst* vop = VerilatedVpioConst::castp(object)) { @@ -1920,7 +1920,7 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ VL_VPI_WARNING_(__FILE__, __LINE__, "Ignoring vpi_put_value with nullptr value pointer"); return nullptr; } - if (VerilatedVpioVar* vop = VerilatedVpioVar::castp(object)) { + if (const VerilatedVpioVar* const vop = VerilatedVpioVar::castp(object)) { VL_DEBUG_IF_PLI( VL_DBG_MSGF("- vpi: vpi_put_value name=%s fmt=%d vali=%d\n", vop->fullname(), valuep->format, valuep->value.integer); @@ -1953,7 +1953,7 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ valuep->value.vector[1].aval & vop->mask(), valuep->value.vector[0].aval); return object; } else if (vop->varp()->vltype() == VLVT_WDATA) { - int words = VL_WORDS_I(vop->varp()->packed().elements()); + const int words = VL_WORDS_I(vop->varp()->packed().elements()); WDataOutP datap = (reinterpret_cast(vop->varDatap())); for (int i = 0; i < words; ++i) { datap[i] = valuep->value.vector[i].aval; @@ -1962,8 +1962,8 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ return object; } } else if (valuep->format == vpiBinStrVal) { - int bits = vop->varp()->packed().elements(); - int len = std::strlen(valuep->value.str); + const int bits = vop->varp()->packed().elements(); + const int len = std::strlen(valuep->value.str); CData* datap = (reinterpret_cast(vop->varDatap())); for (int i = 0; i < bits; ++i) { char set = (i < len) ? (valuep->value.str[len - i - 1] == '1') : 0; @@ -1977,9 +1977,9 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ } return object; } else if (valuep->format == vpiOctStrVal) { - int chars = (vop->varp()->packed().elements() + 2) / 3; - int bytes = VL_BYTES_I(vop->varp()->packed().elements()); - int len = std::strlen(valuep->value.str); + const int chars = (vop->varp()->packed().elements() + 2) / 3; + const int bytes = VL_BYTES_I(vop->varp()->packed().elements()); + const int len = std::strlen(valuep->value.str); CData* datap = (reinterpret_cast(vop->varDatap())); div_t idx; datap[0] = 0; // reset zero'th byte @@ -2029,7 +2029,7 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ } else if (valuep->format == vpiDecStrVal) { char remainder[16]; unsigned long long val; - int success = std::sscanf(valuep->value.str, "%30llu%15s", &val, remainder); + const int success = std::sscanf(valuep->value.str, "%30llu%15s", &val, remainder); if (success < 1) { VL_VPI_ERROR_(__FILE__, __LINE__, "%s: Parsing failed for '%s' as value %s for %s", __func__, valuep->value.str, @@ -2057,12 +2057,12 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ return object; } } else if (valuep->format == vpiHexStrVal) { - int chars = (vop->varp()->packed().elements() + 3) >> 2; + const int chars = (vop->varp()->packed().elements() + 3) >> 2; CData* datap = (reinterpret_cast(vop->varDatap())); char* val = valuep->value.str; // skip hex ident if one is detected at the start of the string if (val[0] == '0' && (val[1] == 'x' || val[1] == 'X')) val += 2; - int len = std::strlen(val); + const int len = std::strlen(val); for (int i = 0; i < chars; ++i) { char hex; // compute hex digit value @@ -2097,8 +2097,8 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ datap[(chars - 1) >> 1] &= vop->mask_byte((chars - 1) >> 1); return object; } else if (valuep->format == vpiStringVal) { - int bytes = VL_BYTES_I(vop->varp()->packed().elements()); - int len = std::strlen(valuep->value.str); + const int bytes = VL_BYTES_I(vop->varp()->packed().elements()); + const int len = std::strlen(valuep->value.str); CData* datap = (reinterpret_cast(vop->varDatap())); for (int i = 0; i < bytes; ++i) { // prepend with 0 values before placing string the least significant bytes @@ -2120,11 +2120,11 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_ VL_VPI_ERROR_(__FILE__, __LINE__, "%s: Unsupported format (%s) as requested for %s", __func__, VerilatedVpiError::strFromVpiVal(valuep->format), vop->fullname()); return nullptr; - } else if (VerilatedVpioParam* vop = VerilatedVpioParam::castp(object)) { + } else if (const VerilatedVpioParam* const vop = VerilatedVpioParam::castp(object)) { VL_VPI_WARNING_(__FILE__, __LINE__, "%s: Ignoring vpi_put_value to vpiParameter: %s", __func__, vop->fullname()); return nullptr; - } else if (VerilatedVpioConst* vop = VerilatedVpioConst::castp(object)) { + } else if (const VerilatedVpioConst* const vop = VerilatedVpioConst::castp(object)) { VL_VPI_WARNING_(__FILE__, __LINE__, "%s: Ignoring vpi_put_value to vpiConstant: %s", __func__, vop->fullname()); return nullptr; @@ -2153,8 +2153,8 @@ void vpi_get_time(vpiHandle object, p_vpi_time time_p) { return; } if (time_p->type == vpiSimTime) { - QData qtime = VL_TIME_Q(); - WData itime[2]; + const QData qtime = VL_TIME_Q(); + VlWide<2> itime; VL_SET_WQ(itime, qtime); time_p->low = itime[0]; time_p->high = itime[1]; @@ -2162,9 +2162,9 @@ void vpi_get_time(vpiHandle object, p_vpi_time time_p) { } else if (time_p->type == vpiScaledRealTime) { double dtime = VL_TIME_D(); if (VerilatedVpioScope* vop = VerilatedVpioScope::castp(object)) { - int scalePow10 + const int scalePow10 = Verilated::threadContextp()->timeprecision() - vop->scopep()->timeunit(); - double scale = vl_time_multiplier(scalePow10); // e.g. 0.0001 + const double scale = vl_time_multiplier(scalePow10); // e.g. 0.0001 dtime *= scale; } time_p->real = dtime; @@ -2198,7 +2198,7 @@ PLI_INT32 vpi_mcd_printf(PLI_UINT32 mcd, PLI_BYTE8* formatp, ...) { VL_VPI_ERROR_RESET_(); va_list ap; va_start(ap, formatp); - int chars = vpi_mcd_vprintf(mcd, formatp, ap); + const int chars = vpi_mcd_vprintf(mcd, formatp, ap); va_end(ap); return chars; } @@ -2208,7 +2208,7 @@ PLI_INT32 vpi_printf(PLI_BYTE8* formatp, ...) { VL_VPI_ERROR_RESET_(); va_list ap; va_start(ap, formatp); - int chars = vpi_vprintf(formatp, ap); + const int chars = vpi_vprintf(formatp, ap); va_end(ap); return chars; } @@ -2221,11 +2221,11 @@ PLI_INT32 vpi_vprintf(PLI_BYTE8* formatp, va_list ap) { PLI_INT32 vpi_mcd_vprintf(PLI_UINT32 mcd, PLI_BYTE8* format, va_list ap) { VerilatedVpiImp::assertOneCheck(); - FILE* fp = VL_CVT_I_FP(mcd); + FILE* const fp = VL_CVT_I_FP(mcd); VL_VPI_ERROR_RESET_(); // cppcheck-suppress nullPointer if (VL_UNLIKELY(!fp)) return 0; - int chars = vfprintf(fp, format, ap); + const int chars = vfprintf(fp, format, ap); return chars; } @@ -2238,7 +2238,7 @@ PLI_INT32 vpi_flush(void) { PLI_INT32 vpi_mcd_flush(PLI_UINT32 mcd) { VerilatedVpiImp::assertOneCheck(); - FILE* fp = VL_CVT_I_FP(mcd); + FILE* const fp = VL_CVT_I_FP(mcd); VL_VPI_ERROR_RESET_(); if (VL_UNLIKELY(!fp)) return 1; std::fflush(fp); @@ -2255,7 +2255,7 @@ PLI_INT32 vpi_chk_error(p_vpi_error_info error_info_p) { // executing vpi_chk_error does not reset error // error_info_p can be nullptr, so only return level in that case VerilatedVpiImp::assertOneCheck(); - p_vpi_error_info _error_info_p = VerilatedVpiImp::error_info()->getError(); + p_vpi_error_info const _error_info_p = VerilatedVpiImp::error_info()->getError(); if (error_info_p && _error_info_p) *error_info_p = *_error_info_p; if (!_error_info_p) return 0; // no error occured return _error_info_p->level; // return error severity level diff --git a/include/verilated_vpi.h b/include/verilated_vpi.h index 1d1e9d4ce..9f8f8f90d 100644 --- a/include/verilated_vpi.h +++ b/include/verilated_vpi.h @@ -47,7 +47,7 @@ public: static bool callValueCbs() VL_MT_UNSAFE_ONE; /// Call callbacks of arbitrary types. /// User wrapper code should call this from their main loops. - static bool callCbs(vluint32_t reason) VL_MT_UNSAFE_ONE; + static bool callCbs(const vluint32_t reason) VL_MT_UNSAFE_ONE; /// Returns time of the next registered VPI callback, or /// ~(0ULL) if none are registered static QData cbNextDeadline() VL_MT_UNSAFE_ONE; diff --git a/nodist/code_coverage b/nodist/code_coverage index 0a3cc0e08..ffddfa585 100755 --- a/nodist/code_coverage +++ b/nodist/code_coverage @@ -38,23 +38,7 @@ def test(): ci_fold_start("configure") print("Stage 1: configure (coverage on)") run("autoconf") - cxx_flags = ( - "--coverage" - # Otherwise inline may not show as uncovered - # If we use this then e.g. verilated.h functions properly show up - # if unused. - # However, VerilatedSerialize::write then changes from covered - # to uncovered (in G++ 9.3.0) even with all inlining turned off. - # Having false negative coverage is more effort then missing negatives. - # Also this seems to explode the runtime (since a lot more data). - # + " -fkeep-inline-functions" - # Otherwise static may not show as uncovered - + " -fkeep-static-functions" - # Exceptions can pollute the branch coverage data - + " -fno-exceptions" - # Define-out some impossible stuff - + " -DVL_GCOV") - run("./configure --enable-longtests CXX='g++ " + cxx_flags + "'") + run("./configure --enable-longtests --enable-coverage CXX=g++") ci_fold_end() if Args.stage_enabled[2]: diff --git a/src/Makefile_obj.in b/src/Makefile_obj.in index fcd977e14..47288dec6 100644 --- a/src/Makefile_obj.in +++ b/src/Makefile_obj.in @@ -77,13 +77,11 @@ TGT = ../../verilator_bin$(EXEEXT) ################# ifeq ($(VL_DEBUG),) # Optimize -COPT = -O2 +CPPFLAGS += -O2 else # Debug -COPT = -ggdb -DVL_DEBUG -D_GLIBCXX_DEBUG -# Debug & Profile: -#LDFLAGS += -pg -g -#COPT = -ggdb -pg -g +CPPFLAGS += @CFG_CXXFLAGS_DEBUG@ -DVL_DEBUG -D_GLIBCXX_DEBUG +LDFLAGS += @CFG_LDFLAGS_DEBUG@ endif ################# @@ -96,7 +94,6 @@ LIBS = $(CFG_LIBS) -lm CPPFLAGS += -MMD CPPFLAGS += -I. -I$(bldsrc) -I$(srcdir) -I$(incdir) -I../../include #CPPFLAGS += -DVL_LEAK_CHECKS # If running valgrind or other hunting tool -CPPFLAGS += $(COPT) CPPFLAGS += -MP # Only works on recent GCC versions ifeq ($(CFG_WITH_CCWARN),yes) # Local... Else don't burden users CPPFLAGS += -W -Wall $(CFG_CXXFLAGS_WEXTRA) $(CFG_CXXFLAGS_SRC) -Werror @@ -183,10 +180,14 @@ RAW_OBJS = \ V3Descope.o \ V3DupFinder.o \ V3EmitC.o \ + V3EmitCBase.o \ + V3EmitCConstPool.o \ + V3EmitCFunc.o \ V3EmitCInlines.o \ - V3EmitCSyms.o \ - V3EmitCMake.o \ V3EmitCMain.o \ + V3EmitCMake.o \ + V3EmitCModel.o \ + V3EmitCSyms.o \ V3EmitMk.o \ V3EmitV.o \ V3EmitXml.o \ diff --git a/src/V3Active.cpp b/src/V3Active.cpp index 3e9ee98ad..ee7debb29 100644 --- a/src/V3Active.cpp +++ b/src/V3Active.cpp @@ -474,11 +474,10 @@ private: if (!m_scopeFinalp) { m_scopeFinalp = new AstCFunc( nodep->fileline(), "_final_" + m_namer.scopep()->nameDotless(), m_namer.scopep()); - m_scopeFinalp->argTypes(EmitCBaseVisitor::symClassVar()); - m_scopeFinalp->addInitsp( - new AstCStmt(nodep->fileline(), EmitCBaseVisitor::symTopAssign() + "\n")); m_scopeFinalp->dontCombine(true); m_scopeFinalp->formCallTree(true); + m_scopeFinalp->isStatic(false); + m_scopeFinalp->isLoose(true); m_scopeFinalp->slow(true); m_namer.scopep()->addActivep(m_scopeFinalp); } diff --git a/src/V3Assert.cpp b/src/V3Assert.cpp index 8b53adf95..22ae310ba 100644 --- a/src/V3Assert.cpp +++ b/src/V3Assert.cpp @@ -163,7 +163,7 @@ private: } else { ++m_statAsNotImm; } - bool force = VN_IS(nodep, AssertIntrinsic); + const bool force = VN_IS(nodep, AssertIntrinsic); if (passsp) passsp = newIfAssertOn(passsp, force); if (failsp) failsp = newIfAssertOn(failsp, force); if (!failsp) failsp = newFireAssertUnchecked(nodep, "'assert' failed."); @@ -231,7 +231,7 @@ private: } while (ifp); AstNode* newifp = nodep->cloneTree(false); - bool allow_none = nodep->unique0Pragma(); + const bool allow_none = nodep->unique0Pragma(); // Empty case means no property if (!propp) propp = new AstConst(nodep->fileline(), AstConst::BitFalse()); @@ -305,7 +305,7 @@ private: // Empty case means no property if (!propp) propp = new AstConst(nodep->fileline(), AstConst::BitFalse()); - bool allow_none = has_default || nodep->unique0Pragma(); + const bool allow_none = has_default || nodep->unique0Pragma(); AstNode* ohot = (allow_none ? static_cast(new AstOneHot0(nodep->fileline(), propp)) diff --git a/src/V3Ast.cpp b/src/V3Ast.cpp index 4329c7633..e4d36cb60 100644 --- a/src/V3Ast.cpp +++ b/src/V3Ast.cpp @@ -119,7 +119,7 @@ string AstNode::encodeName(const string& namein) { // a user identifier nor a temp we create in Verilator. // We also do *NOT* use __DOT__ etc, as we search for those // in some replacements, and don't want to mangle the user's names. - unsigned val = pos[0] & 0xff; // Mask to avoid sign extension + const unsigned val = pos[0] & 0xff; // Mask to avoid sign extension std::stringstream hex; hex << std::setfill('0') << std::setw(2) << std::hex << val; out += "__0" + hex.str(); @@ -932,7 +932,9 @@ AstNode* AstNode::iterateSubtreeReturnEdits(AstNVisitor& v) { void AstNode::cloneRelinkTree() { // private: Cleanup clone() operation on whole tree. Publicly call cloneTree() instead. for (AstNode* nodep = this; nodep; nodep = nodep->m_nextp) { - if (m_dtypep && m_dtypep->clonep()) m_dtypep = m_dtypep->clonep(); + if (nodep->m_dtypep && nodep->m_dtypep->clonep()) { + nodep->m_dtypep = nodep->m_dtypep->clonep(); + } nodep->cloneRelink(); if (nodep->m_op1p) nodep->m_op1p->cloneRelinkTree(); if (nodep->m_op2p) nodep->m_op2p->cloneRelinkTree(); @@ -1045,7 +1047,7 @@ void AstNode::dumpTreeFileGdb(const AstNode* nodep, // LCOV_EXCL_START cout << "" << endl; return; } - string filename = filenamep ? filenamep : v3Global.debugFilename("debug.tree", 98); + const string filename = filenamep ? filenamep : v3Global.debugFilename("debug.tree", 98); v3Global.rootp()->dumpTreeFile(filename); } // LCOV_EXCL_STOP @@ -1178,7 +1180,7 @@ string AstNode::locationStr() const { str += modp->hierName(); return str; } else if ((nvrp = VN_CAST_CONST(backp, NodeVarRef))) { - string prettyName = nvrp->prettyName(); + const string prettyName = nvrp->prettyName(); // VarRefs have not been flattened yet and do not contain location information if (prettyName != nvrp->name()) { str += prettyName; diff --git a/src/V3Ast.h b/src/V3Ast.h index 1753b7075..afa26f75d 100644 --- a/src/V3Ast.h +++ b/src/V3Ast.h @@ -26,6 +26,7 @@ #include "V3Global.h" #include +#include #include #include "V3Ast__gen_classes.h" // From ./astgen @@ -155,6 +156,7 @@ public: return (m_e == READWRITE) ? VAccess(m_e) : (m_e == WRITE ? VAccess(READ) : VAccess(WRITE)); } bool isReadOnly() const { return m_e == READ; } // False with READWRITE + bool isWriteOnly() const { return m_e == WRITE; } // False with READWRITE bool isReadOrRW() const { return m_e == READ || m_e == READWRITE; } bool isWriteOrRW() const { return m_e == WRITE || m_e == READWRITE; } bool isRW() const { return m_e == READWRITE; } @@ -457,6 +459,7 @@ public: // Internal types for mid-steps SCOPEPTR, CHARPTR, + MTASKSTATE, // Unsigned and two state; fundamental types UINT32, UINT64, @@ -467,18 +470,19 @@ public: }; enum en m_e; const char* ascii() const { - static const char* const names[] = { - "%E-unk", "bit", "byte", "chandle", "event", "int", "integer", - "logic", "longint", "real", "shortint", "time", "string", "VerilatedScope*", - "char*", "IData", "QData", "LOGIC_IMPLICIT", " MAX"}; + static const char* const names[] + = {"%E-unk", "bit", "byte", "chandle", "event", + "int", "integer", "logic", "longint", "real", + "shortint", "time", "string", "VerilatedScope*", "char*", + "VlMTaskState", "IData", "QData", "LOGIC_IMPLICIT", " MAX"}; return names[m_e]; } const char* dpiType() const { static const char* const names[] - = {"%E-unk", "svBit", "char", "void*", "char", "int", - "%E-integer", "svLogic", "long long", "double", "short", "%E-time", - "const char*", "dpiScope", "const char*", "IData", "QData", "%E-logic-implicit", - " MAX"}; + = {"%E-unk", "svBit", "char", "void*", "char", + "int", "%E-integer", "svLogic", "long long", "double", + "short", "%E-time", "const char*", "dpiScope", "const char*", + "%E-mtaskstate", "IData", "QData", "%E-logic-implct", " MAX"}; return names[m_e]; } static void selfTest() { @@ -511,6 +515,7 @@ public: case STRING: return 64; // opaque // Just the pointer, for today case SCOPEPTR: return 0; // opaque case CHARPTR: return 0; // opaque + case MTASKSTATE: return 0; // opaque case UINT32: return 32; case UINT64: return 64; default: return 0; @@ -549,11 +554,13 @@ public: || m_e == DOUBLE || m_e == SHORTINT || m_e == UINT32 || m_e == UINT64); } bool isOpaque() const { // IE not a simple number we can bit optimize - return (m_e == STRING || m_e == SCOPEPTR || m_e == CHARPTR || m_e == DOUBLE); + return (m_e == STRING || m_e == SCOPEPTR || m_e == CHARPTR || m_e == MTASKSTATE + || m_e == DOUBLE); } bool isDouble() const { return m_e == DOUBLE; } bool isEventValue() const { return m_e == EVENTVALUE; } bool isString() const { return m_e == STRING; } + bool isMTaskState() const { return m_e == MTASKSTATE; } }; inline bool operator==(const AstBasicDTypeKwd& lhs, const AstBasicDTypeKwd& rhs) { return lhs.m_e == rhs.m_e; @@ -1136,10 +1143,14 @@ public: explicit VNUser(void* p) { m_u.up = p; } ~VNUser() = default; // Casters - WidthVP* c() const { return reinterpret_cast(m_u.up); } - VSymEnt* toSymEnt() const { return reinterpret_cast(m_u.up); } - AstNode* toNodep() const { return reinterpret_cast(m_u.up); } - V3GraphVertex* toGraphVertex() const { return reinterpret_cast(m_u.up); } + template // + typename std::enable_if::value, T>::type to() const { + return reinterpret_cast(m_u.up); + } + WidthVP* c() const { return to(); } + VSymEnt* toSymEnt() const { return to(); } + AstNode* toNodep() const { return to(); } + V3GraphVertex* toGraphVertex() const { return to(); } int toInt() const { return m_u.ui; } static VNUser fromInt(int i) { return VNUser(i); } }; @@ -1687,6 +1698,7 @@ public: AstNodeDType* findSigned32DType() { return findBasicDType(AstBasicDTypeKwd::INTEGER); } AstNodeDType* findUInt32DType() { return findBasicDType(AstBasicDTypeKwd::UINT32); } AstNodeDType* findUInt64DType() { return findBasicDType(AstBasicDTypeKwd::UINT64); } + AstNodeDType* findCHandleDType() { return findBasicDType(AstBasicDTypeKwd::CHANDLE); } AstNodeDType* findVoidDType() const; AstNodeDType* findQueueIndexDType() const; AstNodeDType* findBitDType(int width, int widthMin, VSigning numeric) const; @@ -1868,7 +1880,7 @@ public: virtual void dump(std::ostream& str) const override; virtual bool hasDType() const override { return true; } virtual string emitVerilog() = 0; /// Format string for verilog writing; see V3EmitV - // For documentation on emitC format see EmitCStmts::emitOpName + // For documentation on emitC format see EmitCFunc::emitOpName virtual string emitC() = 0; virtual string emitSimpleOperator() { return ""; } // "" means not ok to use virtual bool emitCheckMaxWords() { return false; } // Check VL_MULS_MAX_WORDS @@ -2272,9 +2284,7 @@ private: AstVarScope* m_varScopep = nullptr; // Varscope for hierarchy AstNodeModule* m_classOrPackagep = nullptr; // Package hierarchy string m_name; // Name of variable - string m_hiernameToProt; // Scope converted into name-> for emitting - string m_hiernameToUnprot; // Scope converted into name-> for emitting - bool m_hierThis = false; // Hiername points to "this" function + string m_selfPointer; // Output code object pointer (e.g.: 'this') protected: AstNodeVarRef(AstType t, FileLine* fl, const string& name, const VAccess& access) @@ -2306,13 +2316,9 @@ public: void varp(AstVar* varp); AstVarScope* varScopep() const { return m_varScopep; } void varScopep(AstVarScope* varscp) { m_varScopep = varscp; } - string hiernameToProt() const { return m_hiernameToProt; } - void hiernameToProt(const string& hn) { m_hiernameToProt = hn; } - string hiernameToUnprot() const { return m_hiernameToUnprot; } - void hiernameToUnprot(const string& hn) { m_hiernameToUnprot = hn; } - string hiernameProtect() const; - bool hierThis() const { return m_hierThis; } - void hierThis(bool flag) { m_hierThis = flag; } + string selfPointer() const { return m_selfPointer; } + void selfPointer(const string& value) { m_selfPointer = value; } + string selfPointerProtect(bool useSelfForThis) const; AstNodeModule* classOrPackagep() const { return m_classOrPackagep; } void classOrPackagep(AstNodeModule* nodep) { m_classOrPackagep = nodep; } // Know no children, and hot function, so skip iterator for speed @@ -2615,8 +2621,7 @@ class AstNodeCCall VL_NOT_FINAL : public AstNodeStmt { // A call of a C++ function, perhaps a AstCFunc or perhaps globally named // Functions are not statements, while tasks are. AstNodeStmt needs isStatement() to deal. AstCFunc* m_funcp; - string m_hiernameToProt; - string m_hiernameToUnprot; + string m_selfPointer; // Output code object pointer (e.g.: 'this') string m_argTypes; protected: @@ -2642,11 +2647,9 @@ public: virtual bool isPure() const override; virtual bool isOutputter() const override { return !isPure(); } AstCFunc* funcp() const { return m_funcp; } - string hiernameToProt() const { return m_hiernameToProt; } - void hiernameToProt(const string& hn) { m_hiernameToProt = hn; } - string hiernameToUnprot() const { return m_hiernameToUnprot; } - void hiernameToUnprot(const string& hn) { m_hiernameToUnprot = hn; } - string hiernameProtect() const; + string selfPointer() const { return m_selfPointer; } + void selfPointer(const string& value) { m_selfPointer = value; } + string selfPointerProtect(bool useSelfForThis) const; void argTypes(const string& str) { m_argTypes = str; } string argTypes() const { return m_argTypes; } // op1p reserved for AstCMethodCall diff --git a/src/V3AstNodes.cpp b/src/V3AstNodes.cpp index 4a6f99d6d..d878aa615 100644 --- a/src/V3AstNodes.cpp +++ b/src/V3AstNodes.cpp @@ -18,16 +18,18 @@ #include "verilatedos.h" #include "V3Ast.h" +#include "V3EmitCBase.h" #include "V3File.h" #include "V3Global.h" #include "V3Graph.h" +#include "V3Hasher.h" #include "V3PartitionGraph.h" // Just for mtask dumping #include "V3String.h" -#include "V3EmitCBase.h" #include "V3AstNodes__gen_macros.h" // Generated by 'astgen' #include +#include #include //====================================================================== @@ -55,8 +57,19 @@ void AstNodeVarRef::cloneRelink() { if (m_varp && m_varp->clonep()) m_varp = m_varp->clonep(); } -string AstNodeVarRef::hiernameProtect() const { - return hiernameToUnprot() + VIdProtect::protectWordsIf(hiernameToProt(), protect()); +string AstNodeVarRef::selfPointerProtect(bool useSelfForThis) const { + const string& sp + = useSelfForThis ? VString::replaceWord(selfPointer(), "this", "vlSelf") : selfPointer(); + return VIdProtect::protectWordsIf(sp, protect()); +} + +void AstAddrOfCFunc::cloneRelink() { + if (m_funcp && m_funcp->clonep()) m_funcp = m_funcp->clonep(); +} + +const char* AstAddrOfCFunc::broken() const { + BROKEN_RTN(m_funcp && !m_funcp->brokeExists()); + return nullptr; } int AstNodeSel::bitConst() const { @@ -108,8 +121,10 @@ const char* AstNodeCCall::broken() const { return nullptr; } bool AstNodeCCall::isPure() const { return funcp()->pure(); } -string AstNodeCCall::hiernameProtect() const { - return hiernameToUnprot() + VIdProtect::protectWordsIf(hiernameToProt(), protect()); +string AstNodeCCall::selfPointerProtect(bool useSelfForThis) const { + const string& sp + = useSelfForThis ? VString::replaceWord(selfPointer(), "this", "vlSelf") : selfPointer(); + return VIdProtect::protectWordsIf(sp, protect()); } void AstNodeCond::numberOperate(V3Number& out, const V3Number& lhs, const V3Number& rhs, @@ -216,9 +231,9 @@ AstNodeBiop* AstEqWild::newTyped(FileLine* fl, AstNode* lhsp, AstNode* rhsp) { } AstExecGraph::AstExecGraph(FileLine* fileline) - : ASTGEN_SUPER_ExecGraph(fileline) { - m_depGraphp = new V3Graph; -} + : ASTGEN_SUPER_ExecGraph(fileline) + , m_depGraphp{new V3Graph} {} + AstExecGraph::~AstExecGraph() { VL_DO_DANGLING(delete m_depGraphp, m_depGraphp); } AstNode* AstInsideRange::newAndFromInside(AstNode* exprp, AstNode* lhsp, AstNode* rhsp) { @@ -260,8 +275,16 @@ AstConst* AstConst::parseParamLiteral(FileLine* fl, const string& literal) { return nullptr; } +AstNetlist::AstNetlist() + : ASTGEN_SUPER_Netlist(new FileLine(FileLine::builtInFilename())) + , m_typeTablep{new AstTypeTable(fileline())} + , m_constPoolp{new AstConstPool(fileline())} { + addMiscsp(m_typeTablep); + addMiscsp(m_constPoolp); +} + void AstNetlist::timeprecisionMerge(FileLine*, const VTimescale& value) { - VTimescale prec = v3Global.opt.timeComputePrec(value); + const VTimescale prec = v3Global.opt.timeComputePrec(value); if (prec.isNone() || prec == m_timeprecision) { } else if (m_timeprecision.isNone()) { m_timeprecision = prec; @@ -314,13 +337,15 @@ string AstVar::verilogKwd() const { } } -string AstVar::vlArgType(bool named, bool forReturn, bool forFunc, const string& namespc) const { +string AstVar::vlArgType(bool named, bool forReturn, bool forFunc, const string& namespc, + bool asRef) const { UASSERT_OBJ(!forReturn, this, "Internal data is never passed as return, but as first argument"); string ostatic; if (isStatic() && namespc.empty()) ostatic = "static "; - bool isRef = isDpiOpenArray() || (forFunc && (isWritable() || direction().isRefOrConstRef())); + const bool isRef = isDpiOpenArray() + || (forFunc && (isWritable() || direction().isRefOrConstRef())) || asRef; if (forFunc && isReadOnly() && isRef) ostatic = ostatic + "const "; @@ -335,7 +360,7 @@ string AstVar::vlArgType(bool named, bool forReturn, bool forFunc, const string& string AstVar::vlEnumType() const { string arg; AstBasicDType* bdtypep = basicp(); - bool strtype = bdtypep && bdtypep->keyword() == AstBasicDTypeKwd::STRING; + const bool strtype = bdtypep && bdtypep->keyword() == AstBasicDTypeKwd::STRING; if (bdtypep && bdtypep->keyword() == AstBasicDTypeKwd::CHARPTR) { return "VLVT_PTR"; } else if (bdtypep && bdtypep->keyword() == AstBasicDTypeKwd::SCOPEPTR) { @@ -610,13 +635,6 @@ AstVar* AstVar::scVarRecurse(AstNode* nodep) { return nullptr; } -string AstVar::mtasksString() const { - std::ostringstream os; - os << "all: "; - for (const auto& id : m_mtaskIds) os << id << " "; - return os.str(); -} - class AstNodeDType::CTypeRecursed final { public: string m_type; // The base type, e.g.: "Foo_t"s @@ -624,15 +642,22 @@ public: string render(const string& name, bool isRef) const { string out; out += m_type; - if (name != "") out += " "; - out += isRef ? "(&" + name + ")" : name; + if (!name.empty()) out += " "; + if (isRef) { + if (!m_dims.empty()) out += "("; + out += "&"; + out += name; + if (!m_dims.empty()) out += ")"; + } else { + out += name; + } out += m_dims; return out; } }; string AstNodeDType::cType(const string& name, bool forFunc, bool isRef) const { - CTypeRecursed info = cTypeRecurse(false); + const CTypeRecursed info = cTypeRecurse(false); return info.render(name, isRef); } @@ -672,10 +697,12 @@ AstNodeDType::CTypeRecursed AstNodeDType::cTypeRecurse(bool compound) const { info.m_type = "const char*"; } else if (bdtypep->keyword() == AstBasicDTypeKwd::SCOPEPTR) { info.m_type = "const VerilatedScope*"; - } else if (bdtypep->keyword() == AstBasicDTypeKwd::DOUBLE) { + } else if (bdtypep->keyword().isDouble()) { info.m_type = "double"; - } else if (bdtypep->keyword() == AstBasicDTypeKwd::STRING) { + } else if (bdtypep->keyword().isString()) { info.m_type = "std::string"; + } else if (bdtypep->keyword().isMTaskState()) { + info.m_type = "VlMTaskVertex"; } else if (dtypep->widthMin() <= 8) { // Handle unpacked arrays; not bdtypep->width info.m_type = "CData" + bitvec; } else if (dtypep->widthMin() <= 16) { @@ -864,6 +891,11 @@ bool AstSenTree::hasCombo() const { return false; } +AstTypeTable::AstTypeTable(FileLine* fl) + : ASTGEN_SUPER_TypeTable(fl) { + for (int i = 0; i < AstBasicDTypeKwd::_ENUM_MAX; ++i) m_basicps[i] = nullptr; +} + void AstTypeTable::clearCache() { // When we mass-change widthMin in V3WidthCommit, we need to correct the table. // Just clear out the maps; the search functions will be used to rebuild the map @@ -958,6 +990,115 @@ AstBasicDType* AstTypeTable::findInsertSameDType(AstBasicDType* nodep) { return nodep; } +AstConstPool::AstConstPool(FileLine* fl) + : ASTGEN_SUPER_ConstPool(fl) + , m_modp{new AstModule(fl, "@CONST-POOL@")} + , m_scopep{new AstScope(fl, m_modp, "@CONST-POOL@", nullptr, nullptr)} { + addOp1p(m_modp); + m_modp->addStmtp(m_scopep); +} + +AstVarScope* AstConstPool::createNewEntry(const string& name, AstNode* initp) { + FileLine* const fl = initp->fileline(); + AstVar* const varp = new AstVar(fl, AstVarType::MODULETEMP, name, initp->dtypep()); + varp->isConst(true); + varp->isStatic(true); + varp->valuep(initp->cloneTree(false)); + m_modp->addStmtp(varp); + AstVarScope* const varScopep = new AstVarScope(fl, m_scopep, varp); + m_scopep->addVarp(varScopep); + return varScopep; +} + +static bool sameInit(const AstInitArray* ap, const AstInitArray* bp) { + // Unpacked array initializers must have equivalent values + // Note, sadly we can't just call ap->sameTree(pb), because both: + // - the dtypes might be different instances + // - the default/inititem children might be in different order yet still yield the same table + // See note in AstInitArray::same about the same. This function instead compares by initializer + // value, rather than by tree structure. + const AstUnpackArrayDType* const aDTypep = VN_CAST(ap->dtypep(), UnpackArrayDType); + const AstUnpackArrayDType* const bDTypep = VN_CAST(bp->dtypep(), UnpackArrayDType); + UASSERT_STATIC(aDTypep, "Bad type in array initializer"); + UASSERT_STATIC(bDTypep, "Bad type in array initializer"); + if (!aDTypep->subDTypep()->sameTree(bDTypep->subDTypep())) { // Element types differ + return false; + } + if (!aDTypep->rangep()->sameTree(bDTypep->rangep())) { // Ranges differ + return false; + } + // Compare initializer arrays by value. Note this is only called when they hash the same, + // so they likely run at most once per call to 'AstConstPool::findTable'. + const uint32_t size = aDTypep->elementsConst(); + for (uint32_t n = 0; n < size; ++n) { + const AstNode* const valAp = ap->getIndexDefaultedValuep(n); + const AstNode* const valBp = bp->getIndexDefaultedValuep(n); + if (!valAp->sameTree(valBp)) { return false; } + } + return true; +} + +AstVarScope* AstConstPool::findTable(AstInitArray* initp) { + AstNode* const defaultp = initp->defaultp(); + // Verify initializer is well formed + UASSERT_OBJ(VN_IS(initp->dtypep(), UnpackArrayDType), initp, + "Const pool table must have AstUnpackArrayDType dtype"); + UASSERT_OBJ(!defaultp || VN_IS(defaultp, Const), initp, + "Const pool table default must be Const"); + for (AstNode* nodep = initp->initsp(); nodep; nodep = nodep->nextp()) { + AstNode* const valuep = VN_CAST(nodep, InitItem)->valuep(); + UASSERT_OBJ(VN_IS(valuep, Const), valuep, "Const pool table entry must be Const"); + } + // Try to find an existing table with the same content + const uint32_t hash = V3Hasher::uncachedHash(initp).value(); + const auto& er = m_tables.equal_range(hash); + for (auto it = er.first; it != er.second; ++it) { + AstVarScope* const varScopep = it->second; + const AstInitArray* const init2p = VN_CAST(varScopep->varp()->valuep(), InitArray); + if (sameInit(initp, init2p)) { + return varScopep; // Found identical table + } + } + // No such table yet, create it. + string name = "TABLE_"; + name += cvtToHex(hash); + name += "_"; + name += cvtToStr(std::distance(er.first, er.second)); + AstVarScope* const varScopep = createNewEntry(name, initp); + m_tables.emplace(hash, varScopep); + return varScopep; +} + +static bool sameInit(const AstConst* ap, const AstConst* bp) { + // Similarly to the AstInitArray comparison, we ignore the dtype instance, so long as they + // are compatible. For now, we assume the dtype is not relevant, as we only call this from + // V3Prelim which is a late pass. + // Compare initializers by value. This checks widths as well. + return ap->num().isCaseEq(bp->num()); +} + +AstVarScope* AstConstPool::findConst(AstConst* initp, bool mergeDType) { + // Try to find an existing constant with the same value + const uint32_t hash = initp->num().toHash().value(); + const auto& er = m_consts.equal_range(hash); + for (auto it = er.first; it != er.second; ++it) { + AstVarScope* const varScopep = it->second; + const AstConst* const init2p = VN_CAST(varScopep->varp()->valuep(), Const); + if (sameInit(initp, init2p) + && (mergeDType || varScopep->dtypep()->sameTree(initp->dtypep()))) { + return varScopep; // Found identical constant + } + } + // No such constant yet, create it. + string name = "CONST_"; + name += cvtToHex(hash); + name += "_"; + name += cvtToStr(std::distance(er.first, er.second)); + AstVarScope* const varScopep = createNewEntry(name, initp); + m_consts.emplace(hash, varScopep); + return varScopep; +} + //====================================================================== // Special walking tree inserters @@ -1119,8 +1260,9 @@ const char* AstClassPackage::broken() const { return nullptr; } void AstClass::insertCache(AstNode* nodep) { - bool doit = (VN_IS(nodep, Var) || VN_IS(nodep, EnumItemRef) - || (VN_IS(nodep, NodeFTask) && !VN_CAST(nodep, NodeFTask)->isExternProto())); + const bool doit + = (VN_IS(nodep, Var) || VN_IS(nodep, EnumItemRef) + || (VN_IS(nodep, NodeFTask) && !VN_CAST(nodep, NodeFTask)->isExternProto())); if (doit) { if (m_members.find(nodep->name()) != m_members.end()) { nodep->v3error("Duplicate declaration of member name: " << nodep->prettyNameQ()); @@ -1316,10 +1458,10 @@ void AstRefDType::dump(std::ostream& str) const { if (!s_recursing) { // Prevent infinite dump if circular typedefs s_recursing = true; str << " -> "; - if (typedefp()) { - typedefp()->dump(str); - } else if (subDTypep()) { - subDTypep()->dump(str); + if (const auto subp = typedefp()) { + subp->dump(str); + } else if (const auto subp = subDTypep()) { + subp->dump(str); } s_recursing = false; } @@ -1364,7 +1506,8 @@ void AstNodeArrayDType::dump(std::ostream& str) const { } string AstPackArrayDType::prettyDTypeName() const { std::ostringstream os; - os << subDTypep()->prettyDTypeName() << declRange(); + if (const auto subp = subDTypep()) os << subp->prettyDTypeName(); + os << declRange(); return os.str(); } string AstUnpackArrayDType::prettyDTypeName() const { @@ -1679,14 +1822,11 @@ void AstCFunc::dump(std::ostream& str) const { this->AstNode::dump(str); if (slow()) str << " [SLOW]"; if (pure()) str << " [PURE]"; - if (isStatic().unknown()) { - str << " [STATICU]"; - } else if (isStatic().trueUnknown()) { - str << " [STATIC]"; - } - if (dpiImport()) str << " [DPII]"; - if (dpiExport()) str << " [DPIX]"; - if (dpiExportWrapper()) str << " [DPIXWR]"; + if (isStatic()) str << " [STATIC]"; + if (dpiExportDispatcher()) str << " [DPIED]"; + if (dpiExportImpl()) str << " [DPIEI]"; + if (dpiImportPrototype()) str << " [DPIIP]"; + if (dpiImportWrapper()) str << " [DPIIW]"; if (isConstructor()) str << " [CTOR]"; if (isDestructor()) str << " [DTOR]"; if (isVirtual()) str << " [VIRT]"; diff --git a/src/V3AstNodes.h b/src/V3AstNodes.h index deba4c885..731bcc1dc 100644 --- a/src/V3AstNodes.h +++ b/src/V3AstNodes.h @@ -685,7 +685,7 @@ public: refDTypep(nullptr); setOp2p(rangep); dtypep(nullptr); // V3Width will resolve - int width = subDTypep()->width() * rangep->elementsConst(); + const int width = subDTypep()->width() * rangep->elementsConst(); widthForce(width, width); } AstPackArrayDType(FileLine* fl, AstNodeDType* dtp, AstRange* rangep) @@ -693,7 +693,7 @@ public: refDTypep(dtp); setOp2p(rangep); dtypep(this); - int width = subDTypep()->width() * rangep->elementsConst(); + const int width = subDTypep()->width() * rangep->elementsConst(); widthForce(width, width); } ASTNODE_NODE_FUNCS(PackArrayDType) @@ -848,7 +848,7 @@ private: numeric(numer); if (!rangep && (wantwidth || wantwidthmin >= 0)) { // Constant width if (wantwidth > 1) m.m_nrange.init(wantwidth - 1, 0, false); - int wmin = wantwidthmin >= 0 ? wantwidthmin : wantwidth; + const int wmin = wantwidthmin >= 0 ? wantwidthmin : wantwidth; widthForce(wantwidth, wmin); } else if (!rangep) { // Set based on keyword properties // V3Width will pull from this width @@ -1889,6 +1889,10 @@ private: VDirection m_direction; // Direction input/output etc VDirection m_declDirection; // Declared direction input/output etc AstBasicDTypeKwd m_declKwd; // Keyword at declaration time + VLifetime m_lifetime; // Lifetime + VVarAttrClocker m_attrClocker; + MTaskIdSet m_mtaskIds; // MTaskID's that read or write this var + int m_pinNum = 0; // For XML, if non-zero the connection pin number bool m_ansi : 1; // ANSI port list variable (for dedup check) bool m_declTyped : 1; // Declared as type (for dedup check) bool m_tristate : 1; // Inout or triwire or trireg @@ -1925,9 +1929,6 @@ private: bool m_overridenParam : 1; // Overridden parameter by #(...) or defparam bool m_trace : 1; // Trace this variable bool m_isLatched : 1; // Not assigned in all control paths of combo always - VLifetime m_lifetime; // Lifetime - VVarAttrClocker m_attrClocker; - MTaskIdSet m_mtaskIds; // MTaskID's that read or write this var void init() { m_ansi = false; @@ -2058,7 +2059,8 @@ public: string dpiArgType(bool named, bool forReturn) const; // Return DPI-C type for argument string dpiTmpVarType(const string& varName) const; // Return Verilator internal type for argument: CData, SData, IData, WData - string vlArgType(bool named, bool forReturn, bool forFunc, const string& namespc = "") const; + string vlArgType(bool named, bool forReturn, bool forFunc, const string& namespc = "", + bool asRef = false) const; string vlEnumType() const; // Return VerilatorVarType: VLVT_UINT32, etc string vlEnumDir() const; // Return VerilatorVarDir: VLVD_INOUT, etc string vlPropDecl(const string& propName) const; // Return VerilatorVarProps declaration @@ -2070,7 +2072,8 @@ public: // (Slow) recurse down to find basic data type (Note don't need virtual - // AstVar isn't a NodeDType) AstBasicDType* basicp() const { return subDTypep()->basicp(); } - // op3 = Initial value that never changes (static const) + // op3 = Initial value that never changes (static const), or constructor argument for + // MTASKSTATE variables AstNode* valuep() const { return op3p(); } // It's valuep(), not constp(), as may be more complicated than an AstConst void valuep(AstNode* nodep) { setOp3p(nodep); } @@ -2149,7 +2152,6 @@ public: } bool isClassMember() const { return varType() == AstVarType::MEMBER; } bool isStatementTemp() const { return (varType() == AstVarType::STMTTEMP); } - bool isMovableToBlock() const { return (varType() == AstVarType::BLOCKTEMP || isFuncLocal()); } bool isXTemp() const { return (varType() == AstVarType::XTEMP); } bool isParam() const { return (varType() == AstVarType::LPARAM || varType() == AstVarType::GPARAM); @@ -2226,7 +2228,8 @@ public: void addProducingMTaskId(int id) { m_mtaskIds.insert(id); } void addConsumingMTaskId(int id) { m_mtaskIds.insert(id); } const MTaskIdSet& mtaskIds() const { return m_mtaskIds; } - string mtasksString() const; + void pinNum(int id) { m_pinNum = id; } + int pinNum() const { return m_pinNum; } }; class AstDefParam final : public AstNode { @@ -2388,8 +2391,7 @@ public: if (varScopep()) { return (varScopep() == samep->varScopep() && access() == samep->access()); } else { - return (hiernameToProt() == samep->hiernameToProt() - && hiernameToUnprot() == samep->hiernameToUnprot() + return (selfPointer() == samep->selfPointer() && varp()->name() == samep->varp()->name() && access() == samep->access()); } } @@ -2397,9 +2399,8 @@ public: if (varScopep()) { return (varScopep() == samep->varScopep()); } else { - return (hiernameToProt() == samep->hiernameToProt() - && hiernameToUnprot() == samep->hiernameToUnprot() - && (!hiernameToProt().empty() || !samep->hiernameToProt().empty()) + return (selfPointer() == samep->selfPointer() + && (!selfPointer().empty() || !samep->selfPointer().empty()) && varp()->name() == samep->varp()->name()); } } @@ -2439,12 +2440,33 @@ public: virtual int instrCount() const override { return widthInstrs(); } virtual bool same(const AstNode* samep) const override { const AstVarXRef* asamep = static_cast(samep); - return (hiernameToProt() == asamep->hiernameToProt() - && hiernameToUnprot() == asamep->hiernameToUnprot() && varp() == asamep->varp() + return (selfPointer() == asamep->selfPointer() && varp() == asamep->varp() && name() == asamep->name() && dotted() == asamep->dotted()); } }; +class AstAddrOfCFunc final : public AstNodeMath { + // Get address of CFunc +private: + AstCFunc* m_funcp; // Pointer to function itself + +public: + AstAddrOfCFunc(FileLine* fl, AstCFunc* funcp) + : ASTGEN_SUPER_AddrOfCFunc(fl) + , m_funcp{funcp} { + dtypep(findCHandleDType()); + } + +public: + ASTNODE_NODE_FUNCS(AddrOfCFunc) + virtual void cloneRelink() override; + virtual const char* broken() const override; + virtual string emitVerilog() override { V3ERROR_NA_RETURN(""); } + virtual string emitC() override { V3ERROR_NA_RETURN(""); } + virtual bool cleanOut() const override { return true; } + AstCFunc* funcp() const { return m_funcp; } +}; + class AstPin final : public AstNode { // A pin on a cell private: @@ -5409,9 +5431,9 @@ public: : (m_urandom ? "%f$urandom()" : "%f$random()"); } virtual string emitC() override { - return m_reset - ? "VL_RAND_RESET_%nq(%nw, %P)" - : seedp() ? "VL_RANDOM_SEEDED_%nq%lq(%nw, %P, %li)" : "VL_RANDOM_%nq(%nw, %P)"; + return m_reset ? "VL_RAND_RESET_%nq(%nw, %P)" + : seedp() ? "VL_RANDOM_SEEDED_%nq%lq(%nw, %P, %li)" + : "VL_RANDOM_%nq(%nw, %P)"; } virtual bool cleanOut() const override { return true; } virtual bool isGateOptimizable() const override { return false; } @@ -8715,9 +8737,8 @@ private: string m_ctorInits; // Constructor sub-class inits string m_ifdef; // #ifdef symbol around this function VBoolOrUnknown m_isConst; // Function is declared const (*this not changed) - VBoolOrUnknown m_isStatic; // Function is declared static (no this) + bool m_isStatic : 1; // Function is static (no need for a 'this' pointer) bool m_dontCombine : 1; // V3Combine shouldn't compare this func tree, it's special - bool m_skipDecl : 1; // Don't declare it bool m_declPrivate : 1; // Declare it private bool m_formCallTree : 1; // Make a global function to call entire tree of functions bool m_slow : 1; // Slow routine, called once or just at init time @@ -8725,26 +8746,26 @@ private: bool m_isConstructor : 1; // Is C class constructor bool m_isDestructor : 1; // Is C class destructor bool m_isMethod : 1; // Is inside a class definition + bool m_isLoose : 1; // Semantically this is a method, but is implemented as a function + // with an explicitly passed 'self' pointer as the first argument bool m_isInline : 1; // Inline function bool m_isVirtual : 1; // Virtual function - bool m_symProlog : 1; // Setup symbol table for later instructions bool m_entryPoint : 1; // User may call into this top level function bool m_pure : 1; // Pure function - bool m_dpiExport : 1; // From dpi export - bool m_dpiExportWrapper : 1; // From dpi export; static function with dispatch table - bool m_dpiImport : 1; // From dpi import - bool m_dpiImportWrapper : 1; // Wrapper from dpi import + bool m_dpiExportDispatcher : 1; // This is the DPI export entry point (i.e.: called by user) + bool m_dpiExportImpl : 1; // DPI export implementation (called from DPI dispatcher via lookup) + bool m_dpiImportPrototype : 1; // This is the DPI import prototype (i.e.: provided by user) + bool m_dpiImportWrapper : 1; // Wrapper for invoking DPI import prototype from generated code public: AstCFunc(FileLine* fl, const string& name, AstScope* scopep, const string& rtnType = "") : ASTGEN_SUPER_CFunc(fl) { m_funcType = AstCFuncType::FT_NORMAL; m_isConst = VBoolOrUnknown::BU_UNKNOWN; // Unknown until analyzed - m_isStatic = VBoolOrUnknown::BU_UNKNOWN; // Unknown until see where thisp needed m_scopep = scopep; m_name = name; m_rtnType = rtnType; + m_isStatic = false; m_dontCombine = false; - m_skipDecl = false; m_declPrivate = false; m_formCallTree = false; m_slow = false; @@ -8752,14 +8773,14 @@ public: m_isConstructor = false; m_isDestructor = false; m_isMethod = true; + m_isLoose = false; m_isInline = false; m_isVirtual = false; - m_symProlog = false; m_entryPoint = false; m_pure = false; - m_dpiExport = false; - m_dpiExportWrapper = false; - m_dpiImport = false; + m_dpiExportDispatcher = false; + m_dpiExportImpl = false; + m_dpiImportPrototype = false; m_dpiImportWrapper = false; } ASTNODE_NODE_FUNCS(CFunc) @@ -8774,17 +8795,17 @@ public: const AstCFunc* asamep = static_cast(samep); return ((funcType() == asamep->funcType()) && (rtnTypeVoid() == asamep->rtnTypeVoid()) && (argTypes() == asamep->argTypes()) && (ctorInits() == asamep->ctorInits()) - && (!(dpiImport() || dpiExport()) || name() == asamep->name())); + && isLoose() == asamep->isLoose() + && (!(dpiImportPrototype() || dpiExportImpl()) || name() == asamep->name())); } // virtual void name(const string& name) override { m_name = name; } - virtual int instrCount() const override { return dpiImport() ? instrCountDpi() : 0; } + virtual int instrCount() const override { return dpiImportPrototype() ? instrCountDpi() : 0; } VBoolOrUnknown isConst() const { return m_isConst; } void isConst(bool flag) { m_isConst.setTrueOrFalse(flag); } void isConst(VBoolOrUnknown flag) { m_isConst = flag; } - VBoolOrUnknown isStatic() const { return m_isStatic; } - void isStatic(bool flag) { m_isStatic.setTrueOrFalse(flag); } - void isStatic(VBoolOrUnknown flag) { m_isStatic = flag; } + bool isStatic() const { return m_isStatic; } + void isStatic(bool flag) { m_isStatic = flag; } void cname(const string& name) { m_cname = name; } string cname() const { return m_cname; } AstScope* scopep() const { return m_scopep; } @@ -8792,9 +8813,7 @@ public: string rtnTypeVoid() const { return ((m_rtnType == "") ? "void" : m_rtnType); } bool dontCombine() const { return m_dontCombine || funcType() != AstCFuncType::FT_NORMAL; } void dontCombine(bool flag) { m_dontCombine = flag; } - bool dontInline() const { return dontCombine() || slow() || skipDecl() || funcPublic(); } - bool skipDecl() const { return m_skipDecl; } - void skipDecl(bool flag) { m_skipDecl = flag; } + bool dontInline() const { return dontCombine() || slow() || funcPublic(); } bool declPrivate() const { return m_declPrivate; } void declPrivate(bool flag) { m_declPrivate = flag; } bool formCallTree() const { return m_formCallTree; } @@ -8817,22 +8836,23 @@ public: void isDestructor(bool flag) { m_isDestructor = flag; } bool isMethod() const { return m_isMethod; } void isMethod(bool flag) { m_isMethod = flag; } + bool isLoose() const { return m_isLoose; } + void isLoose(bool flag) { m_isLoose = flag; } + bool isProperMethod() const { return isMethod() && !isLoose(); } bool isInline() const { return m_isInline; } void isInline(bool flag) { m_isInline = flag; } bool isVirtual() const { return m_isVirtual; } void isVirtual(bool flag) { m_isVirtual = flag; } - bool symProlog() const { return m_symProlog; } - void symProlog(bool flag) { m_symProlog = flag; } bool entryPoint() const { return m_entryPoint; } void entryPoint(bool flag) { m_entryPoint = flag; } bool pure() const { return m_pure; } void pure(bool flag) { m_pure = flag; } - bool dpiExport() const { return m_dpiExport; } - void dpiExport(bool flag) { m_dpiExport = flag; } - bool dpiExportWrapper() const { return m_dpiExportWrapper; } - void dpiExportWrapper(bool flag) { m_dpiExportWrapper = flag; } - bool dpiImport() const { return m_dpiImport; } - void dpiImport(bool flag) { m_dpiImport = flag; } + bool dpiExportDispatcher() const { return m_dpiExportDispatcher; } + void dpiExportDispatcher(bool flag) { m_dpiExportDispatcher = flag; } + bool dpiExportImpl() const { return m_dpiExportImpl; } + void dpiExportImpl(bool flag) { m_dpiExportImpl = flag; } + bool dpiImportPrototype() const { return m_dpiImportPrototype; } + void dpiImportPrototype(bool flag) { m_dpiImportPrototype = flag; } bool dpiImportWrapper() const { return m_dpiImportWrapper; } void dpiImportWrapper(bool flag) { m_dpiImportWrapper = flag; } // @@ -9027,7 +9047,8 @@ class AstExecGraph final : public AstNode { // them without traversing the graph (it's not always needed to // traverse the graph.) private: - V3Graph* m_depGraphp; // contains ExecMTask's + V3Graph* const m_depGraphp; // contains ExecMTask's + public: explicit AstExecGraph(FileLine* fl); ASTNODE_NODE_FUNCS_NO_DTOR(ExecGraph) @@ -9039,6 +9060,7 @@ public: const V3Graph* depGraphp() const { return m_depGraphp; } V3Graph* mutableDepGraphp() { return m_depGraphp; } void addMTaskBody(AstMTaskBody* bodyp) { addOp1p(bodyp); } + void addStmtsp(AstNode* stmtp) { addOp2p(stmtp); } }; class AstSplitPlaceholder final : public AstNode { @@ -9063,10 +9085,7 @@ class AstTypeTable final : public AstNode { DetailedMap m_detailedMap; public: - explicit AstTypeTable(FileLine* fl) - : ASTGEN_SUPER_TypeTable(fl) { - for (int i = 0; i < AstBasicDTypeKwd::_ENUM_MAX; ++i) m_basicps[i] = nullptr; - } + explicit AstTypeTable(FileLine* fl); ASTNODE_NODE_FUNCS(TypeTable) AstNodeDType* typesp() const { return VN_CAST(op1p(), NodeDType); } // op1 = List of dtypes void addTypesp(AstNodeDType* nodep) { addOp1p(nodep); } @@ -9083,6 +9102,34 @@ public: virtual void dump(std::ostream& str = std::cout) const override; }; +class AstConstPool final : public AstNode { + // Container for const static data + std::unordered_multimap m_tables; // Constant tables (unpacked arrays) + std::unordered_multimap m_consts; // Constant tables (scalars) + AstModule* const m_modp; // The Module holding the Scope below ... + AstScope* const m_scopep; // Scope holding the constant variables + + AstVarScope* createNewEntry(const string& name, AstNode* initp); + +public: + explicit AstConstPool(FileLine* fl); + ASTNODE_NODE_FUNCS(ConstPool) + AstModule* modp() const { return m_modp; } + + // Find a table (unpacked array) within the constant pool which is initialized with the + // given value, or create one if one does not already exists. The returned VarScope *might* + // have a different dtype than the given initp->dtypep(), including a different element type, + // but it will always have the same size and element width. In contexts where this matters, + // the caller must handle the dtype difference as appropriate. + AstVarScope* findTable(AstInitArray* initp); + // Find a constant within the constant pool which is initialized with the given value, or + // create one if one does not already exists. If 'mergeDType' is true, then the returned + // VarScope *might* have a different type than the given initp->dtypep(). In contexts where + // this matters, the caller must handle the dtype difference as appropriate. If 'mergeDType' is + // false, the returned VarScope will have _->dtypep()->sameTree(initp->dtypep()) return true. + AstVarScope* findConst(AstConst* initp, bool mergeDType); +}; + //###################################################################### // Top @@ -9091,7 +9138,8 @@ class AstNetlist final : public AstNode { // Parents: none // Children: MODULEs & CFILEs private: - AstTypeTable* m_typeTablep = nullptr; // Reference to top type table, for faster lookup + AstTypeTable* const m_typeTablep; // Reference to top type table, for faster lookup + AstConstPool* const m_constPoolp; // Reference to constant pool, for faster lookup AstPackage* m_dollarUnitPkgp = nullptr; // $unit AstCFunc* m_evalp = nullptr; // The '_eval' function AstExecGraph* m_execGraphp = nullptr; // Execution MTask graph for threads>1 mode @@ -9099,8 +9147,7 @@ private: VTimescale m_timeprecision; // Global time precision bool m_timescaleSpecified = false; // Input HDL specified timescale public: - AstNetlist() - : ASTGEN_SUPER_Netlist(new FileLine(FileLine::builtInFilename())) {} + AstNetlist(); ASTNODE_NODE_FUNCS(Netlist) virtual const char* broken() const override { BROKEN_RTN(m_dollarUnitPkgp && !m_dollarUnitPkgp->brokeExists()); @@ -9121,10 +9168,7 @@ public: AstNode* miscsp() const { return op3p(); } // op3 = List of dtypes etc void addMiscsp(AstNode* nodep) { addOp3p(nodep); } AstTypeTable* typeTablep() { return m_typeTablep; } - void addTypeTablep(AstTypeTable* nodep) { - m_typeTablep = nodep; - addMiscsp(nodep); - } + AstConstPool* constPoolp() { return m_constPoolp; } AstPackage* dollarUnitPkgp() const { return m_dollarUnitPkgp; } AstPackage* dollarUnitPkgAddp() { if (!m_dollarUnitPkgp) { diff --git a/src/V3AstUserAllocator.h b/src/V3AstUserAllocator.h new file mode 100644 index 000000000..f00e35550 --- /dev/null +++ b/src/V3AstUserAllocator.h @@ -0,0 +1,119 @@ +// -*- mode: C++; c-file-style: "cc-mode" -*- +//************************************************************************* +// DESCRIPTION: Verilator: Utility to hang advanced data structures of +// AstNode::user*p() pointers with automatic memory management. +// +// Code available from: https://verilator.org +// +//************************************************************************* +// +// Copyright 2003-2021 by Wilson Snyder. This program is free software; you +// can redistribute it and/or modify it under the terms of either the GNU +// Lesser General Public License Version 3 or the Perl Artistic License +// Version 2.0. +// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 +// +//************************************************************************* + +#ifndef VERILATOR_V3ASTUSERALLOCATOR_H_ +#define VERILATOR_V3ASTUSERALLOCATOR_H_ + +#include "config_build.h" +#include "verilatedos.h" + +#include "V3Ast.h" + +#include +#include + +template class AstUserAllocatorBase VL_NOT_FINAL { + static_assert(1 <= T_UserN && T_UserN <= 5, "Wrong user pointer number"); + static_assert(std::is_base_of::value, "T_Node must be an AstNode type"); + +private: + std::vector m_allocated; + + inline T_Data* getUserp(T_Node* nodep) const { + // This simplifies statically as T_UserN is constant. In C++17, use 'if constexpr'. + if (T_UserN == 1) { + const VNUser user = nodep->user1u(); + return user.to(); + } else if (T_UserN == 2) { + const VNUser user = nodep->user2u(); + return user.to(); + } else if (T_UserN == 3) { + const VNUser user = nodep->user3u(); + return user.to(); + } else if (T_UserN == 4) { + const VNUser user = nodep->user4u(); + return user.to(); + } else { + const VNUser user = nodep->user5u(); + return user.to(); + } + } + + inline void setUserp(T_Node* nodep, T_Data* userp) const { + // This simplifies statically as T_UserN is constant. In C++17, use 'if constexpr'. + if (T_UserN == 1) { + nodep->user1u(VNUser(userp)); + } else if (T_UserN == 2) { + nodep->user2u(VNUser(userp)); + } else if (T_UserN == 3) { + nodep->user3u(VNUser(userp)); + } else if (T_UserN == 4) { + nodep->user4u(VNUser(userp)); + } else { + nodep->user5u(VNUser(userp)); + } + } + +protected: + AstUserAllocatorBase() { + // This simplifies statically as T_UserN is constant. In C++17, use 'if constexpr'. + if (T_UserN == 1) { + AstUser1InUse::check(); + } else if (T_UserN == 2) { + AstUser2InUse::check(); + } else if (T_UserN == 3) { + AstUser3InUse::check(); + } else if (T_UserN == 4) { + AstUser4InUse::check(); + } else { + AstUser5InUse::check(); + } + } + + virtual ~AstUserAllocatorBase() { + // Delete all allocated data structures + for (T_Data* const p : m_allocated) { delete p; } + } + +public: + // Get a reference to the user data + T_Data& operator()(T_Node* nodep) { + T_Data* userp = getUserp(nodep); + if (!userp) { + userp = new T_Data; + m_allocated.push_back(userp); + setUserp(nodep, userp); + } + return *userp; + } +}; + +// User pointer allocator classes. T_Node is the type of node the allocator should be applied to +// and is simply there for a bit of extra type safety. T_Data is the type of the data structure +// managed by the allocator. +template +class AstUser1Allocator final : public AstUserAllocatorBase {}; +template +class AstUser2Allocator final : public AstUserAllocatorBase {}; +template +class AstUser3Allocator final : public AstUserAllocatorBase {}; +template +class AstUser4Allocator final : public AstUserAllocatorBase {}; +template +class AstUser5Allocator final : public AstUserAllocatorBase {}; + +#endif // Guard diff --git a/src/V3Begin.cpp b/src/V3Begin.cpp index 8a9f2943c..9c1e3674a 100644 --- a/src/V3Begin.cpp +++ b/src/V3Begin.cpp @@ -117,7 +117,7 @@ private: string dottedname = nodep->name() + "__DOT__"; // So always found string::size_type pos; while ((pos = dottedname.find("__DOT__")) != string::npos) { - string ident = dottedname.substr(0, pos); + const string ident = dottedname.substr(0, pos); dottedname = dottedname.substr(pos + strlen("__DOT__")); if (nodep->name() != "") m_namedScope = dot(m_namedScope, ident); m_unnamedScope = dot(m_unnamedScope, ident); diff --git a/src/V3Branch.cpp b/src/V3Branch.cpp index 30560fb8e..b1a5de551 100644 --- a/src/V3Branch.cpp +++ b/src/V3Branch.cpp @@ -70,15 +70,15 @@ private: // Do if reset(); iterateAndNextNull(nodep->ifsp()); - int ifLikely = m_likely; - int ifUnlikely = m_unlikely; + const int ifLikely = m_likely; + const int ifUnlikely = m_unlikely; // Do else reset(); iterateAndNextNull(nodep->elsesp()); - int elseLikely = m_likely; - int elseUnlikely = m_unlikely; + const int elseLikely = m_likely; + const int elseUnlikely = m_unlikely; // Compute - int likeness = ifLikely - ifUnlikely - (elseLikely - elseUnlikely); + const int likeness = ifLikely - ifUnlikely - (elseLikely - elseUnlikely); if (likeness > 0) { nodep->branchPred(VBranchPred::BP_LIKELY); } else if (likeness < 0) { diff --git a/src/V3Broken.cpp b/src/V3Broken.cpp index 613b4cf2f..3205ce912 100644 --- a/src/V3Broken.cpp +++ b/src/V3Broken.cpp @@ -72,7 +72,7 @@ public: UASSERT_OBJ(!(iter != s_nodes.end() && (iter->second & FLAG_ALLOCATED)), nodep, "Newing AstNode object that is already allocated"); if (iter == s_nodes.end()) { - int flags = FLAG_ALLOCATED; // This int needed to appease GCC 4.1.2 + const int flags = FLAG_ALLOCATED; // This int needed to appease GCC 4.1.2 s_nodes.emplace(nodep, flags); } } @@ -103,7 +103,7 @@ public: UASSERT_OBJ(!(iter->second & FLAG_IN_TREE), nodep, "AstNode is already in tree at another location"); } - int or_flags = FLAG_IN_TREE | (linkable ? FLAG_LINKABLE : 0); + const int or_flags = FLAG_IN_TREE | (linkable ? FLAG_LINKABLE : 0); if (iter == s_nodes.end()) { s_nodes.emplace(nodep, or_flags); } else { diff --git a/src/V3CCtors.cpp b/src/V3CCtors.cpp index b8b989aeb..2becaa25d 100644 --- a/src/V3CCtors.cpp +++ b/src/V3CCtors.cpp @@ -61,23 +61,21 @@ private: const int funcNum = m_newFunctions.size(); const string funcName = m_basename + "_" + cvtToStr(funcNum); AstCFunc* const funcp = new AstCFunc(m_modp->fileline(), funcName, nullptr, "void"); - funcp->isStatic(!m_type.isClass()); // Class constructors are non static + funcp->isStatic(false); + funcp->isLoose(!m_type.isClass()); funcp->declPrivate(true); funcp->slow(!m_type.isClass()); // Only classes construct on fast path string preventUnusedStmt; if (m_type.isClass()) { funcp->argTypes(EmitCBaseVisitor::symClassVar()); - preventUnusedStmt = "if (false && vlSymsp) {}"; + preventUnusedStmt = "if (false && vlSymsp) {} // Prevent unused\n"; } else if (m_type.isCoverage()) { - funcp->argTypes(EmitCBaseVisitor::prefixNameProtect(m_modp) + "* self, " - + EmitCBaseVisitor::symClassVar() + ", bool first"); - preventUnusedStmt = "if (false && self && vlSymsp && first) {}"; - } else { // Module - funcp->argTypes(EmitCBaseVisitor::prefixNameProtect(m_modp) + "* self"); - preventUnusedStmt = "if (false && self) {}"; + funcp->argTypes("bool first"); + preventUnusedStmt = "if (false && first) {} // Prevent unused\n"; + } + if (!preventUnusedStmt.empty()) { + funcp->addStmtsp(new AstCStmt(m_modp->fileline(), preventUnusedStmt)); } - preventUnusedStmt += " // Prevent unused\n"; - funcp->addStmtsp(new AstCStmt(m_modp->fileline(), preventUnusedStmt)); m_modp->addStmtp(funcp); m_numStmts = 0; return funcp; @@ -113,10 +111,9 @@ public: AstCCall* const callp = new AstCCall(m_modp->fileline(), funcp); if (m_type.isClass()) { callp->argTypes("vlSymsp"); - } else if (m_type.isCoverage()) { - callp->argTypes("self, vlSymsp, first"); - } else { // Module - callp->argTypes("self"); + } else { + if (m_type.isCoverage()) callp->argTypes("first"); + callp->selfPointer("this"); } rootFuncp->addStmtsp(callp); } @@ -134,6 +131,7 @@ void V3CCtors::evalAsserts() { AstCFunc* funcp = new AstCFunc(modp->fileline(), "_eval_debug_assertions", nullptr, "void"); funcp->declPrivate(true); funcp->isStatic(false); + funcp->isLoose(true); funcp->slow(false); funcp->ifdef("VL_DEBUG"); modp->addStmtp(funcp); @@ -141,11 +139,14 @@ void V3CCtors::evalAsserts() { if (AstVar* varp = VN_CAST(np, Var)) { if (varp->isPrimaryInish() && !varp->isSc()) { if (AstBasicDType* basicp = VN_CAST(varp->dtypeSkipRefp(), BasicDType)) { - int storedWidth = basicp->widthAlignBytes() * 8; - int lastWordWidth = varp->width() % storedWidth; + const int storedWidth = basicp->widthAlignBytes() * 8; + const int lastWordWidth = varp->width() % storedWidth; if (lastWordWidth != 0) { // if (signal & CONST(upper_non_clean_mask)) { fail; } - AstNode* newp = new AstVarRef(varp->fileline(), varp, VAccess::READ); + AstVarRef* const vrefp + = new AstVarRef(varp->fileline(), varp, VAccess::READ); + vrefp->selfPointer("this"); + AstNode* newp = vrefp; if (varp->isWide()) { newp = new AstWordSel( varp->fileline(), newp, diff --git a/src/V3Cdc.cpp b/src/V3Cdc.cpp index 29e3114b0..22d2d0333 100644 --- a/src/V3Cdc.cpp +++ b/src/V3Cdc.cpp @@ -151,7 +151,7 @@ private: *m_ofp << " "; } *m_ofp << nodep->prettyTypeName() << "\n"; - string lastPrefix = m_prefix; + const string lastPrefix = m_prefix; m_prefix = lastPrefix + "1:"; iterateAndNextNull(nodep->op1p()); m_prefix = lastPrefix + "2:"; @@ -449,7 +449,7 @@ private: if (!vertexp->asyncPath() && level != 0) return false; // Not part of path // Other logic in the path - string cont = prefix + sep; + const string cont = prefix + sep; string nextsep = " "; for (V3GraphEdge* edgep = vertexp->inBeginp(); edgep; edgep = edgep->inNextp()) { CdcEitherVertex* eFromVertexp = static_cast(edgep->fromp()); @@ -506,7 +506,8 @@ private: } } - string filename = v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + "__cdc_edges.txt"; + const string filename + = v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + "__cdc_edges.txt"; const std::unique_ptr ofp(V3File::new_ofstream(filename)); if (ofp->fail()) v3fatal("Can't write " << filename); *ofp << "Edge Report for " << v3Global.opt.prefix() << '\n'; @@ -523,7 +524,7 @@ private: os.setf(std::ios::left); // Module name - doesn't work due to flattening having lost the original // so we assume the modulename matches the filebasename - string fname = vvertexp->varScp()->fileline()->filebasename() + ":"; + const string fname = vvertexp->varScp()->fileline()->filebasename() + ":"; os << " " << std::setw(20) << fname; os << " " << std::setw(8) << what; os << " " << std::setw(40) << vvertexp->varScp()->prettyName(); @@ -727,7 +728,7 @@ public: // CONSTRUCTORS explicit CdcVisitor(AstNode* nodep) { // Make report of all signal names and what clock edges they have - string filename = v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + "__cdc.txt"; + const string filename = v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + "__cdc.txt"; m_ofp = V3File::new_ofstream(filename); if (m_ofp->fail()) v3fatal("Can't write " << filename); m_ofFilename = filename; diff --git a/src/V3Changed.cpp b/src/V3Changed.cpp index 6bd904099..79e2ad14d 100644 --- a/src/V3Changed.cpp +++ b/src/V3Changed.cpp @@ -61,14 +61,13 @@ public: m_chgFuncp = new AstCFunc(m_scopetopp->fileline(), "_change_request_" + cvtToStr(++m_funcNum), m_scopetopp, "QData"); - m_chgFuncp->argTypes(EmitCBaseVisitor::symClassVar()); - m_chgFuncp->symProlog(true); + m_chgFuncp->isStatic(false); + m_chgFuncp->isLoose(true); m_chgFuncp->declPrivate(true); m_scopetopp->addActivep(m_chgFuncp); // Add a top call to it AstCCall* callp = new AstCCall(m_scopetopp->fileline(), m_chgFuncp); - callp->argTypes("vlSymsp"); if (!m_tlChgFuncp->stmtsp()) { m_tlChgFuncp->addStmtsp(new AstCReturn(m_scopetopp->fileline(), callp)); @@ -251,8 +250,8 @@ private: // Create a wrapper change detection function that calls each change detection function m_statep->m_tlChgFuncp = new AstCFunc(nodep->fileline(), "_change_request", scopep, "QData"); - m_statep->m_tlChgFuncp->argTypes(EmitCBaseVisitor::symClassVar()); - m_statep->m_tlChgFuncp->symProlog(true); + m_statep->m_tlChgFuncp->isStatic(false); + m_statep->m_tlChgFuncp->isLoose(true); m_statep->m_tlChgFuncp->declPrivate(true); m_statep->m_scopetopp->addActivep(m_statep->m_tlChgFuncp); // Each change detection function needs at least one AstChangeDet diff --git a/src/V3Clean.cpp b/src/V3Clean.cpp index ba0b91d6c..c9087bab7 100644 --- a/src/V3Clean.cpp +++ b/src/V3Clean.cpp @@ -68,7 +68,7 @@ private: void setCppWidth(AstNode* nodep) { nodep->user2(true); // Don't resize it again AstNodeDType* old_dtypep = nodep->dtypep(); - int width = cppWidth(nodep); // widthMin is unchanged + const int width = cppWidth(nodep); // widthMin is unchanged if (old_dtypep->width() != width) { // Since any given dtype's cppWidth() is the same, we can just // remember one conversion for each, and reuse it @@ -103,7 +103,7 @@ private: void setCleanState(AstNode* nodep, CleanState clean) { nodep->user1(clean); } CleanState getCleanState(AstNode* nodep) { return static_cast(nodep->user1()); } bool isClean(AstNode* nodep) { - CleanState clstate = getCleanState(nodep); + const CleanState clstate = getCleanState(nodep); if (clstate == CS_CLEAN) return true; if (clstate == CS_DIRTY) return false; nodep->v3fatalSrc("Unknown clean state on node: " + nodep->prettyTypeName()); @@ -111,8 +111,9 @@ private: } void setClean(AstNode* nodep, bool isClean) { computeCppWidth(nodep); // Just to be sure it's in widthMin - bool wholeUint = (nodep->widthMin() == VL_IDATASIZE || nodep->widthMin() == VL_QUADSIZE - || (nodep->widthMin() % VL_EDATASIZE) == 0); + const bool wholeUint + = (nodep->widthMin() == VL_IDATASIZE || nodep->widthMin() == VL_QUADSIZE + || (nodep->widthMin() % VL_EDATASIZE) == 0); setCleanState(nodep, ((isClean || wholeUint) ? CS_CLEAN : CS_DIRTY)); } diff --git a/src/V3Clock.cpp b/src/V3Clock.cpp index 05620b081..ddb20dec0 100644 --- a/src/V3Clock.cpp +++ b/src/V3Clock.cpp @@ -37,6 +37,34 @@ #include +//###################################################################### +// Convert every WRITE AstVarRef to a READ ref + +class ConvertWriteRefsToRead final : public AstNVisitor { +private: + // MEMBERS + AstNode* m_result = nullptr; + + // CONSTRUCTORS + explicit ConvertWriteRefsToRead(AstNode* nodep) { + m_result = iterateSubtreeReturnEdits(nodep); + } + + // VISITORS + void visit(AstVarRef* nodep) override { + UASSERT_OBJ(!nodep->access().isRW(), nodep, "Cannot handle a READWRITE reference"); + if (nodep->access().isWriteOnly()) { + nodep->replaceWith( + new AstVarRef(nodep->fileline(), nodep->varScopep(), VAccess::READ)); + } + } + + void visit(AstNode* nodep) override { iterateChildren(nodep); } + +public: + static AstNode* main(AstNode* nodep) { return ConvertWriteRefsToRead(nodep).m_result; } +}; + //###################################################################### // Clock state, as a visitor of each AstNode @@ -164,6 +192,18 @@ private: m_lastSenp = nullptr; m_lastIfp = nullptr; } + AstCFunc* makeTopFunction(const string& name, bool slow = false) { + AstCFunc* const funcp = new AstCFunc{m_topScopep->fileline(), name, m_topScopep->scopep()}; + funcp->dontCombine(true); + funcp->isStatic(false); + funcp->isLoose(true); + funcp->entryPoint(true); + funcp->slow(slow); + funcp->isConst(false); + funcp->declPrivate(true); + m_topScopep->scopep()->addActivep(funcp); + return funcp; + } void splitCheck(AstCFunc* ofuncp) { if (!v3Global.opt.outputSplitCFuncs() || !ofuncp->stmtsp()) return; if (EmitCBaseCounterVisitor(ofuncp->stmtsp()).count() < v3Global.opt.outputSplitCFuncs()) @@ -179,20 +219,18 @@ private: if (ofuncp->finalsp()) tempp->addStmtsp(ofuncp->finalsp()->unlinkFrBackWithNext()); while (tempp->stmtsp()) { AstNode* itemp = tempp->stmtsp()->unlinkFrBack(); - int stmts = EmitCBaseCounterVisitor(itemp).count(); + const int stmts = EmitCBaseCounterVisitor(itemp).count(); if (!funcp || (func_stmts + stmts) > v3Global.opt.outputSplitCFuncs()) { // Make a new function funcp = new AstCFunc{ofuncp->fileline(), ofuncp->name() + cvtToStr(++funcnum), m_topScopep->scopep()}; - funcp->argTypes(EmitCBaseVisitor::symClassVar()); funcp->dontCombine(true); - funcp->symProlog(true); - funcp->isStatic(true); + funcp->isStatic(false); + funcp->isLoose(true); funcp->slow(ofuncp->slow()); m_topScopep->scopep()->addActivep(funcp); // AstCCall* callp = new AstCCall{funcp->fileline(), funcp}; - callp->argTypes("vlSymsp"); ofuncp->addStmtsp(callp); func_stmts = 0; } @@ -212,55 +250,10 @@ private: // VV***** We reset all user1p() AstNode::user1ClearTree(); // Make top functions - { - AstCFunc* funcp = new AstCFunc{nodep->fileline(), "_eval", m_topScopep->scopep()}; - funcp->argTypes(EmitCBaseVisitor::symClassVar()); - funcp->dontCombine(true); - funcp->symProlog(true); - funcp->isStatic(true); - funcp->entryPoint(true); - m_topScopep->scopep()->addActivep(funcp); - m_evalFuncp = funcp; - } - { - AstCFunc* funcp - = new AstCFunc{nodep->fileline(), "_eval_initial", m_topScopep->scopep()}; - funcp->argTypes(EmitCBaseVisitor::symClassVar()); - funcp->dontCombine(true); - funcp->slow(true); - funcp->symProlog(true); - funcp->isStatic(true); - funcp->entryPoint(true); - m_topScopep->scopep()->addActivep(funcp); - m_initFuncp = funcp; - } - { - AstCFunc* funcp = new AstCFunc{nodep->fileline(), "final", m_topScopep->scopep()}; - funcp->skipDecl(true); - funcp->dontCombine(true); - funcp->slow(true); - funcp->isStatic(false); - funcp->entryPoint(true); - funcp->protect(false); - funcp->addInitsp(new AstCStmt(nodep->fileline(), EmitCBaseVisitor::symClassVar() - + " = this->__VlSymsp;\n")); - funcp->addInitsp( - new AstCStmt(nodep->fileline(), EmitCBaseVisitor::symTopAssign() + "\n")); - m_topScopep->scopep()->addActivep(funcp); - m_finalFuncp = funcp; - } - { - AstCFunc* funcp - = new AstCFunc{nodep->fileline(), "_eval_settle", m_topScopep->scopep()}; - funcp->argTypes(EmitCBaseVisitor::symClassVar()); - funcp->dontCombine(true); - funcp->slow(true); - funcp->isStatic(true); - funcp->symProlog(true); - funcp->entryPoint(true); - m_topScopep->scopep()->addActivep(funcp); - m_settleFuncp = funcp; - } + m_evalFuncp = makeTopFunction("_eval"); + m_initFuncp = makeTopFunction("_eval_initial", /* slow: */ true); + m_settleFuncp = makeTopFunction("_eval_settle", /* slow: */ true); + m_finalFuncp = makeTopFunction("_final", /* slow: */ true); // Process the activates iterateChildren(nodep); UINFO(4, " TOPSCOPE iter done " << nodep << endl); @@ -307,14 +300,14 @@ private: // IF(ORIG ^ CHANGE) { INC; CHANGE = ORIG; } AstNode* incp = nodep->incp()->unlinkFrBack(); AstNode* origp = nodep->origp()->unlinkFrBack(); - AstNode* changep = nodep->changep()->unlinkFrBack(); - AstIf* newp = new AstIf(nodep->fileline(), new AstXor(nodep->fileline(), origp, changep), + AstNode* changeWrp = nodep->changep()->unlinkFrBack(); + AstNode* changeRdp = ConvertWriteRefsToRead::main(changeWrp->cloneTree(false)); + AstIf* newp = new AstIf(nodep->fileline(), new AstXor(nodep->fileline(), origp, changeRdp), incp, nullptr); // We could add another IF to detect posedges, and only increment if so. // It's another whole branch though versus a potential memory miss. // We'll go with the miss. - newp->addIfsp( - new AstAssign(nodep->fileline(), changep->cloneTree(false), origp->cloneTree(false))); + newp->addIfsp(new AstAssign(nodep->fileline(), changeWrp, origp->cloneTree(false))); nodep->replaceWith(newp); VL_DO_DANGLING(nodep->deleteTree(), nodep); } @@ -324,7 +317,6 @@ private: if (nodep->formCallTree()) { UINFO(4, " formCallTree " << nodep << endl); AstCCall* callp = new AstCCall(nodep->fileline(), nodep); - callp->argTypes("vlSymsp"); m_finalFuncp->addStmtsp(callp); } } diff --git a/src/V3Combine.cpp b/src/V3Combine.cpp index b859b455c..b5cd7ff20 100644 --- a/src/V3Combine.cpp +++ b/src/V3Combine.cpp @@ -72,8 +72,7 @@ public: AstNode* const argsp = oldp->argsp() ? oldp->argsp()->unlinkFrBackWithNext() : nullptr; AstCCall* const newp = new AstCCall(oldp->fileline(), newfuncp, argsp); - newp->hiernameToProt(oldp->hiernameToProt()); - newp->hiernameToUnprot(oldp->hiernameToUnprot()); + newp->selfPointer(oldp->selfPointer()); newp->argTypes(oldp->argTypes()); addCall(newp); // Fix the table, in case the newfuncp itself gets replaced oldp->replaceWith(newp); @@ -86,14 +85,23 @@ public: } } // METHODS - void addCall(AstCCall* nodep) { - if (nodep->funcp()->dontCombine()) return; - m_callMmap.emplace(nodep->funcp(), nodep); - } + void addCall(AstCCall* nodep) { m_callMmap.emplace(nodep->funcp(), nodep); } private: // VISITORS - virtual void visit(AstCCall* nodep) override { addCall(nodep); } + virtual void visit(AstCCall* nodep) override { + if (nodep->funcp()->dontCombine()) return; + addCall(nodep); + } + // LCOV_EXCL_START + virtual void visit(AstAddrOfCFunc* nodep) override { + // We cannot yet handle references via AstAddrOfCFunc, but currently those are + // only used in tracing functions, which are not combined. Blow up in case this changes. + if (nodep->funcp()->dontCombine()) return; + nodep->v3fatalSrc( + "Don't know how to combine functions that are referenced via AstAddrOfCFunc"); + } + // LCOV_EXCL_END // Speed things up virtual void visit(AstNodeAssign*) override {} virtual void visit(AstNodeMath*) override {} diff --git a/src/V3Config.cpp b/src/V3Config.cpp index eb02a0a72..6b511b6c7 100644 --- a/src/V3Config.cpp +++ b/src/V3Config.cpp @@ -201,7 +201,7 @@ public: } void applyBlock(AstNodeBlock* nodep) { - AstPragmaType pragma = AstPragmaType::COVERAGE_BLOCK_OFF; + const AstPragmaType pragma = AstPragmaType::COVERAGE_BLOCK_OFF; if (!nodep->unnamed()) { for (const string& i : m_coverageOffBlocks) { if (VString::wildmatch(nodep->name(), i)) { @@ -297,14 +297,14 @@ public: void applyBlock(AstNodeBlock* nodep) { // Apply to block at this line - AstPragmaType pragma = AstPragmaType::COVERAGE_BLOCK_OFF; + const AstPragmaType pragma = AstPragmaType::COVERAGE_BLOCK_OFF; if (lineMatch(nodep->fileline()->lineno(), pragma)) { nodep->addStmtsp(new AstPragma(nodep->fileline(), pragma)); } } void applyCase(AstCase* nodep) { // Apply to this case at this line - int lineno = nodep->fileline()->lineno(); + const int lineno = nodep->fileline()->lineno(); if (lineMatch(lineno, AstPragmaType::FULL_CASE)) nodep->fullPragma(true); if (lineMatch(lineno, AstPragmaType::PARALLEL_CASE)) nodep->parallelPragma(true); } @@ -313,7 +313,7 @@ public: if (m_lastIgnore.lineno != filelinep->lineno()) { // UINFO(9, " ApplyIgnores for " << filelinep->ascii() << endl); // Process all on/offs for lines up to and including the current line - int curlineno = filelinep->lastLineno(); + const int curlineno = filelinep->lastLineno(); for (; m_lastIgnore.it != m_ignLines.end(); ++m_lastIgnore.it) { if (m_lastIgnore.it->m_lineno > curlineno) break; // UINFO(9, " Hit " << *m_lastIt << endl); diff --git a/src/V3Const.cpp b/src/V3Const.cpp index 7c78cb314..49dc1a377 100644 --- a/src/V3Const.cpp +++ b/src/V3Const.cpp @@ -82,13 +82,58 @@ public: class ConstBitOpTreeVisitor final : public AstNVisitor { // TYPES - struct LeafInfo { // Leaf node (either AstConst or AstVarRef) + struct LeafInfo final { // Leaf node (either AstConst or AstVarRef) bool m_polarity = true; int m_lsb = 0; int m_wordIdx = -1; // -1 means AstWordSel is not used. AstVarRef* m_refp = nullptr; AstConst* m_constp = nullptr; }; + + struct BitPolarityEntry final { // Found bit polarity during iterate() + LeafInfo m_info; + bool m_polarity; + int m_bit; + BitPolarityEntry(const LeafInfo& info, bool pol, int bit) + : m_info(info) + , m_polarity(pol) + , m_bit(bit) {} + BitPolarityEntry() = default; + }; + + class Restorer final { // Restore the original state unless disableRestore() is called + ConstBitOpTreeVisitor& m_visitor; + const size_t m_polaritiesSize; + const size_t m_frozenSize; + const int m_ops; + const bool m_polarity; + bool m_restore; + + public: + explicit Restorer(ConstBitOpTreeVisitor& visitor) + : m_visitor(visitor) + , m_polaritiesSize(visitor.m_bitPolarities.size()) + , m_frozenSize(visitor.m_frozenNodes.size()) + , m_ops(visitor.m_ops) + , m_polarity(visitor.m_polarity) + , m_restore(true) {} + ~Restorer() { + UASSERT(m_visitor.m_bitPolarities.size() >= m_polaritiesSize, + "m_bitPolarities must grow monotorilaclly"); + UASSERT(m_visitor.m_frozenNodes.size() >= m_frozenSize, + "m_frozenNodes must grow monotorilaclly"); + if (m_restore) restoreNow(); + } + void disableRestore() { m_restore = false; } + void restoreNow() { + UASSERT(m_restore, "Can be called just once"); + m_visitor.m_bitPolarities.resize(m_polaritiesSize); + m_visitor.m_frozenNodes.resize(m_frozenSize); + m_visitor.m_ops = m_ops; + m_visitor.m_polarity = m_polarity; + m_restore = false; + } + }; // Collect information for each Variable to transform as below class VarInfo final { // MEMBERS @@ -195,7 +240,8 @@ class ConstBitOpTreeVisitor final : public AstNVisitor { AstUser4InUse m_inuser4; std::vector m_frozenNodes; // Nodes that cannot be optimized - std::vector m_varInfos; // VarInfo for each variable, [0] is nullptr + std::vector m_bitPolarities; // Polarity of bits found during iterate() + std::vector> m_varInfos; // VarInfo for each variable, [0] is nullptr // NODE STATE // AstVarRef::user4u -> Base index of m_varInfos that points VarInfo @@ -235,14 +281,14 @@ class ConstBitOpTreeVisitor final : public AstNVisitor { baseIdx = m_varInfos.size(); const int numWords = ref.m_refp->dtypep()->isWide() ? ref.m_refp->dtypep()->widthWords() : 1; - m_varInfos.resize(m_varInfos.size() + numWords, nullptr); + m_varInfos.resize(m_varInfos.size() + numWords); nodep->user4(baseIdx); } const size_t idx = baseIdx + std::max(0, ref.m_wordIdx); - VarInfo* varInfop = m_varInfos[idx]; + VarInfo* varInfop = m_varInfos[idx].get(); if (!varInfop) { varInfop = new VarInfo{this, ref.m_refp}; - m_varInfos[idx] = varInfop; + m_varInfos[idx].reset(varInfop); } else { if (!varInfop->sameVarAs(ref.m_refp)) CONST_BITOP_SET_FAILED("different var (scope?)", ref.m_refp); @@ -325,28 +371,30 @@ class ConstBitOpTreeVisitor final : public AstNVisitor { } virtual void visit(AstRedXor* nodep) override { // Expect '^(mask & v)' + Restorer restorer{*this}; CONST_BITOP_RETURN_IF(!VN_IS(m_rootp, Xor), nodep); AstAnd* andp = VN_CAST(nodep->lhsp(), And); CONST_BITOP_RETURN_IF(!andp, nodep->lhsp()); - auto mask = findLeaf(andp->lhsp(), true); + const auto mask = findLeaf(andp->lhsp(), true); CONST_BITOP_RETURN_IF(!mask.m_constp || mask.m_lsb != 0, andp->lhsp()); - LeafInfo leaf = findLeaf(andp->rhsp(), false); + const LeafInfo leaf = findLeaf(andp->rhsp(), false); CONST_BITOP_RETURN_IF(!leaf.m_refp, andp->rhsp()); + restorer.disableRestore(); // Now all subtree succeeded + incrOps(nodep, __LINE__); incrOps(andp, __LINE__); const V3Number& maskNum = mask.m_constp->num(); - VarInfo& varInfo = getVarInfo(leaf); for (int i = 0; i < maskNum.width(); ++i) { // Set true, m_treePolarity takes care of the entire parity - if (maskNum.bitIs1(i)) varInfo.setPolarity(true, i + leaf.m_lsb); + if (maskNum.bitIs1(i)) m_bitPolarities.emplace_back(leaf, true, i + leaf.m_lsb); } } virtual void visit(AstNodeBiop* nodep) override { - auto isConst = [](AstNode* nodep, vluint64_t v) -> bool { + const auto isConst = [](AstNode* nodep, vluint64_t v) -> bool { AstConst* constp = VN_CAST(nodep, Const); return constp && constp->toUQuad() == v; }; @@ -357,29 +405,28 @@ class ConstBitOpTreeVisitor final : public AstNVisitor { VL_RESTORER(m_leafp); for (int i = 0; i < 2; ++i) { + Restorer restorer{*this}; LeafInfo leafInfo; m_leafp = &leafInfo; m_curOpp = i == 0 ? nodep->lhsp() : nodep->rhsp(); - const size_t origFrozens = m_frozenNodes.size(); - const int origOps = m_ops; const bool origFailed = m_failed; iterate(m_curOpp); if (leafInfo.m_constp || m_failed) { // Rvert changes in leaf - if (m_frozenNodes.size() > origFrozens) m_frozenNodes.resize(origFrozens); + restorer.restoreNow(); m_frozenNodes.push_back(m_curOpp); - m_ops = origOps; m_failed = origFailed; - } else if (leafInfo.m_refp) { - VarInfo& varInfo = getVarInfo(leafInfo); - if (!varInfo.hasConstantResult()) { - varInfo.setPolarity(isXorTree() || leafInfo.m_polarity, leafInfo.m_lsb); - } + continue; } + restorer.disableRestore(); // Now all checks passed + if (leafInfo.m_refp) + m_bitPolarities.emplace_back(leafInfo, isXorTree() || leafInfo.m_polarity, + leafInfo.m_lsb); } return; } else if (VN_IS(m_rootp, Xor) && VN_IS(nodep, Eq) && isConst(nodep->lhsp(), 0) && VN_IS(nodep->rhsp(), And)) { // 0 == (1 & RedXor) + Restorer restorer{*this}; AstAnd* andp = static_cast(nodep->rhsp()); // already checked above CONST_BITOP_RETURN_IF(!isConst(andp->lhsp(), 1), andp->lhsp()); AstRedXor* redXorp = VN_CAST(andp->rhsp(), RedXor); @@ -388,36 +435,43 @@ class ConstBitOpTreeVisitor final : public AstNVisitor { incrOps(andp, __LINE__); m_polarity = !m_polarity; iterate(redXorp); + CONST_BITOP_RETURN_IF(m_failed, redXorp); + + restorer.disableRestore(); // Now all checks passed return; } else if (VN_IS(m_rootp, Xor) && VN_IS(nodep, And) && isConst(nodep->lhsp(), 1) && (VN_IS(nodep->rhsp(), Xor) || VN_IS(nodep->rhsp(), RedXor))) { // 1 & (v[3] ^ v[2]) + Restorer restorer{*this}; incrOps(nodep, __LINE__); iterate(nodep->rhsp()); + CONST_BITOP_RETURN_IF(m_failed, nodep->rhsp()); + restorer.disableRestore(); // Now all checks passed return; } else if ((isAndTree() && VN_IS(nodep, Eq)) || (isOrTree() && VN_IS(nodep, Neq))) { + Restorer restorer{*this}; CONST_BITOP_RETURN_IF(!m_polarity, nodep); const bool maskFlip = isOrTree(); - LeafInfo comp = findLeaf(nodep->lhsp(), true); + const LeafInfo comp = findLeaf(nodep->lhsp(), true); CONST_BITOP_RETURN_IF(!comp.m_constp || comp.m_lsb != 0, nodep->lhsp()); AstAnd* andp = VN_CAST(nodep->rhsp(), And); // comp == (mask & v) CONST_BITOP_RETURN_IF(!andp, nodep->rhsp()); - LeafInfo mask = findLeaf(andp->lhsp(), true); + const LeafInfo mask = findLeaf(andp->lhsp(), true); CONST_BITOP_RETURN_IF(!mask.m_constp || mask.m_lsb != 0, andp->lhsp()); - LeafInfo ref = findLeaf(andp->rhsp(), false); + const LeafInfo ref = findLeaf(andp->rhsp(), false); CONST_BITOP_RETURN_IF(!ref.m_refp, andp->rhsp()); - VarInfo& varInfo = getVarInfo(ref); + restorer.disableRestore(); // Now all checks passed const V3Number maskNum = mask.m_constp->num(); const V3Number compNum = comp.m_constp->num(); - for (int i = 0; i < maskNum.width() && !varInfo.hasConstantResult(); ++i) { + for (int i = 0; i < maskNum.width(); ++i) { const int bit = i + ref.m_lsb; if (maskNum.bitIs0(i)) continue; - varInfo.setPolarity(compNum.bitIs1(i) ^ maskFlip, bit); + m_bitPolarities.emplace_back(ref, compNum.bitIs1(i) != maskFlip, bit); } incrOps(nodep, __LINE__); incrOps(andp, __LINE__); @@ -440,13 +494,14 @@ class ConstBitOpTreeVisitor final : public AstNVisitor { incrOps(nodep, __LINE__); iterateChildren(nodep); } + for (auto&& entry : m_bitPolarities) { + VarInfo& info = getVarInfo(entry.m_info); + if (info.hasConstantResult()) continue; + info.setPolarity(entry.m_polarity, entry.m_bit); + } UASSERT_OBJ(isXorTree() || m_polarity, nodep, "must be the original polarity"); } - virtual ~ConstBitOpTreeVisitor() { - for (size_t i = 0; i < m_varInfos.size(); ++i) { - VL_DO_DANGLING(delete m_varInfos[i], m_varInfos[i]); - } - } + virtual ~ConstBitOpTreeVisitor() = default; #undef CONST_BITOP_RETURN_IF #undef CONST_BITOP_SET_FAILED @@ -466,7 +521,7 @@ public: // Two ops for each varInfo. (And and Eq) const int vars = visitor.m_varInfos.size() - 1; int constTerms = 0; - for (const VarInfo* v : visitor.m_varInfos) { + for (auto&& v : visitor.m_varInfos) { if (v && v->hasConstantResult()) ++constTerms; } // Expected number of ops after this simplification @@ -486,7 +541,7 @@ public: AstNode* resultp = nullptr; // VarInfo in visitor.m_varInfos appears in deterministic order, // so the optimized AST is deterministic too. - for (const VarInfo* varinfop : visitor.m_varInfos) { + for (auto&& varinfop : visitor.m_varInfos) { if (!varinfop) continue; AstNode* partialresultp = varinfop->getResult(); resultp = visitor.combineTree(resultp, partialresultp); @@ -710,6 +765,86 @@ private: VL_DO_DANGLING(nodep->deleteTree(), nodep); return true; } + bool matchMaskedOr(AstAnd* nodep) { + // Masking an OR with terms that have no bits set under the mask is replaced with masking + // only the remaining terms. Canonical example as generated by V3Expand is: + // 0xff & (a << 8 | b >> 24) --> 0xff & (b >> 24) + + // Compute how many significant bits are in the mask + const AstConst* const constp = VN_CAST(nodep->lhsp(), Const); + const uint32_t significantBits = constp->num().widthMin(); + + AstOr* const orp = VN_CAST(nodep->rhsp(), Or); + + // Predicate for checking whether the bottom 'significantBits' bits of the given expression + // are all zeroes. + const auto checkBottomClear = [=](const AstNode* nodep) -> bool { + if (const AstShiftL* const shiftp = VN_CAST_CONST(nodep, ShiftL)) { + if (const AstConst* const scp = VN_CAST_CONST(shiftp->rhsp(), Const)) { + return scp->num().toUInt() >= significantBits; + } + } + return false; + }; + + const bool orLIsRedundant = checkBottomClear(orp->lhsp()); + const bool orRIsRedundant = checkBottomClear(orp->rhsp()); + + if (orLIsRedundant && orRIsRedundant) { + nodep->replaceWith( + new AstConst(nodep->fileline(), AstConst::DtypedValue(), nodep->dtypep(), 0)); + VL_DO_DANGLING(nodep->deleteTree(), nodep); + return true; + } else if (orLIsRedundant) { + orp->replaceWith(orp->rhsp()->unlinkFrBack()); + VL_DO_DANGLING(orp->deleteTree(), orp); + return false; // input node is still valid, keep going + } else if (orRIsRedundant) { + orp->replaceWith(orp->lhsp()->unlinkFrBack()); + VL_DO_DANGLING(orp->deleteTree(), orp); + return false; // input node is still valid, keep going + } else { + return false; + } + } + bool matchMaskedShift(AstAnd* nodep) { + // Drop redundant masking of right shift result. E.g: 0xff & ((uint32_t)a >> 24). This + // commonly appears after V3Expand and the simplification in matchMaskedOr. Similarly, + // drop redundant masking of left shift result. E.g.: 0xff000000 & ((uint32_t)a << 24). + + const auto checkMask = [=](const V3Number& mask) -> bool { + const AstConst* const constp = VN_CAST(nodep->lhsp(), Const); + if (constp->num().isCaseEq(mask)) { + AstNode* const rhsp = nodep->rhsp(); + rhsp->unlinkFrBack(); + nodep->replaceWith(rhsp); + rhsp->dtypeFrom(nodep); + VL_DO_DANGLING(nodep->deleteTree(), nodep); + return true; + } + return false; + }; + + // Check if masking is redundant + if (AstShiftR* const shiftp = VN_CAST(nodep->rhsp(), ShiftR)) { + if (const AstConst* scp = VN_CAST_CONST(shiftp->rhsp(), Const)) { + // Check if mask is full over the non-zero bits + V3Number maskLo(nodep, nodep->width()); + maskLo.setMask(nodep->width() - scp->num().toUInt()); + return checkMask(maskLo); + } + } else if (AstShiftL* const shiftp = VN_CAST(nodep->rhsp(), ShiftL)) { + if (const AstConst* scp = VN_CAST_CONST(shiftp->rhsp(), Const)) { + // Check if mask is full over the non-zero bits + V3Number maskLo(nodep, nodep->width()), maskHi(nodep, nodep->width()); + maskLo.setMask(nodep->width() - scp->num().toUInt()); + maskHi.opShiftL(maskLo, scp->num()); + return checkMask(maskHi); + } + } + return false; + } + bool matchBitOpTree(AstNode* nodep) { if (!v3Global.opt.oConstBitOpTree()) return false; @@ -868,7 +1003,7 @@ private: || lp->num().isFourState() || lp->num().isNegative()) { return false; } - int newLsb = lp->toSInt() + bp->toSInt(); + const int newLsb = lp->toSInt() + bp->toSInt(); if (newLsb + nodep->widthConst() > ap->width()) return false; // UINFO(9, "SEL(SHIFTR(a,b),l,w) -> SEL(a,l+b,w)\n"); @@ -889,7 +1024,7 @@ private: AstExtend* extendp = VN_CAST(nodep->rhsp(), Extend); if (!extendp) return false; AstNode* smallerp = extendp->lhsp(); - int subsize = smallerp->width(); + const int subsize = smallerp->width(); AstConst* constp = VN_CAST(nodep->lhsp(), Const); if (!constp) return false; if (!constp->num().isBitsZero(constp->width() - 1, subsize)) return false; @@ -914,7 +1049,7 @@ private: const AstExtend* extendp = VN_CAST_CONST(nodep->rhsp(), Extend); if (!extendp) return false; AstNode* smallerp = extendp->lhsp(); - int subsize = smallerp->width(); + const int subsize = smallerp->width(); const AstConst* constp = VN_CAST_CONST(nodep->lhsp(), Const); if (!constp) return false; if (constp->num().isBitsZero(constp->width() - 1, subsize)) return false; @@ -945,10 +1080,10 @@ private: } // Find range of dtype we are selecting from // Similar code in V3Unknown::AstSel - bool doit = true; + const bool doit = true; if (m_warn && VN_IS(nodep->lsbp(), Const) && VN_IS(nodep->widthp(), Const) && doit) { - int maxDeclBit = nodep->declRange().hiMaxSelect() * nodep->declElWidth() - + (nodep->declElWidth() - 1); + const int maxDeclBit = nodep->declRange().hiMaxSelect() * nodep->declElWidth() + + (nodep->declElWidth() - 1); if (VN_CAST(nodep->lsbp(), Const)->num().isFourState() || VN_CAST(nodep->widthp(), Const)->num().isFourState()) { nodep->v3error("Selection index is constantly unknown or tristated: " @@ -1023,7 +1158,7 @@ private: const AstConst* lwidth = VN_CAST_CONST(lhsp->widthp(), Const); const AstConst* rwidth = VN_CAST_CONST(rhsp->widthp(), Const); if (!lstart || !rstart || !lwidth || !rwidth) return false; // too complicated - int rend = (rstart->toSInt() + rwidth->toSInt()); + const int rend = (rstart->toSInt() + rwidth->toSInt()); return (rend == lstart->toSInt()); } bool ifMergeAdjacent(AstNode* lhsp, AstNode* rhsp) { @@ -1056,7 +1191,7 @@ private: AstConst* lwidth = VN_CAST(lselp->widthp(), Const); AstConst* rwidth = VN_CAST(rselp->widthp(), Const); if (!lstart || !rstart || !lwidth || !rwidth) return false; // too complicated - int rend = (rstart->toSInt() + rwidth->toSInt()); + const int rend = (rstart->toSInt() + rwidth->toSInt()); // a[i:j] a[j-1:k] if (rend == lstart->toSInt()) return true; // a[i:0] a[msb:j] @@ -1073,8 +1208,8 @@ private: const AstNodeBiop* rp = VN_CAST_CONST(rhsp, NodeBiop); if (!lp || !rp) return false; // {a[]&b[], a[]&b[]} - bool lad = ifMergeAdjacent(lp->lhsp(), rp->lhsp()); - bool rad = ifMergeAdjacent(lp->rhsp(), rp->rhsp()); + const bool lad = ifMergeAdjacent(lp->lhsp(), rp->lhsp()); + const bool rad = ifMergeAdjacent(lp->rhsp(), rp->rhsp()); if (lad && rad) return true; // {a[] & b[]&c[], a[] & b[]&c[]} if (lad && concatMergeable(lp->rhsp(), rp->rhsp())) return true; @@ -1315,10 +1450,10 @@ private: // {a[1], a[0]} -> a[1:0] AstSel* lselp = VN_CAST(nodep->lhsp()->unlinkFrBack(), Sel); AstSel* rselp = VN_CAST(nodep->rhsp()->unlinkFrBack(), Sel); - int lstart = lselp->lsbConst(); - int lwidth = lselp->widthConst(); - int rstart = rselp->lsbConst(); - int rwidth = rselp->widthConst(); + const int lstart = lselp->lsbConst(); + const int lwidth = lselp->widthConst(); + const int rstart = rselp->lsbConst(); + const int rwidth = rselp->widthConst(); UASSERT_OBJ((rstart + rwidth) == lstart, nodep, "tried to merge two selects which are not adjacent"); @@ -1379,7 +1514,7 @@ private: } void replaceMulShift(AstMul* nodep) { // Mul, but not MulS as not simple shift UINFO(5, "MUL(2^n,b)->SHIFTL(b,n) " << nodep << endl); - int amount = VN_CAST(nodep->lhsp(), Const)->num().mostSetBitP1() - 1; // 2^n->n+1 + const int amount = VN_CAST(nodep->lhsp(), Const)->num().mostSetBitP1() - 1; // 2^n->n+1 AstNode* opp = nodep->rhsp()->unlinkFrBack(); AstShiftL* newp = new AstShiftL(nodep->fileline(), opp, new AstConst(nodep->fileline(), amount)); @@ -1389,7 +1524,7 @@ private: } void replaceDivShift(AstDiv* nodep) { // Mul, but not MulS as not simple shift UINFO(5, "DIV(b,2^n)->SHIFTR(b,n) " << nodep << endl); - int amount = VN_CAST(nodep->rhsp(), Const)->num().mostSetBitP1() - 1; // 2^n->n+1 + const int amount = VN_CAST(nodep->rhsp(), Const)->num().mostSetBitP1() - 1; // 2^n->n+1 AstNode* opp = nodep->lhsp()->unlinkFrBack(); AstShiftR* newp = new AstShiftR(nodep->fileline(), opp, new AstConst(nodep->fileline(), amount)); @@ -1399,7 +1534,7 @@ private: } void replaceModAnd(AstModDiv* nodep) { // Mod, but not ModS as not simple shift UINFO(5, "MOD(b,2^n)->AND(b,2^n-1) " << nodep << endl); - int amount = VN_CAST(nodep->rhsp(), Const)->num().mostSetBitP1() - 1; // 2^n->n+1 + const int amount = VN_CAST(nodep->rhsp(), Const)->num().mostSetBitP1() - 1; // 2^n->n+1 V3Number mask(nodep, nodep->width()); mask.setMask(amount); AstNode* opp = nodep->lhsp()->unlinkFrBack(); @@ -1442,7 +1577,7 @@ private: if (nodep->type() == lhsp->type()) { int shift1 = VN_CAST(shift1p, Const)->toUInt(); int shift2 = VN_CAST(shift2p, Const)->toUInt(); - int newshift = shift1 + shift2; + const int newshift = shift1 + shift2; VL_DO_DANGLING(shift1p->deleteTree(), shift1p); VL_DO_DANGLING(shift2p->deleteTree(), shift2p); nodep->lhsp(ap); @@ -1454,7 +1589,7 @@ private: if (VN_IS(lhsp, ShiftR)) shift1 = -shift1; int shift2 = VN_CAST(shift2p, Const)->toUInt(); if (VN_IS(nodep, ShiftR)) shift2 = -shift2; - int newshift = shift1 + shift2; + const int newshift = shift1 + shift2; VL_DO_DANGLING(shift1p->deleteTree(), shift1p); VL_DO_DANGLING(shift2p->deleteTree(), shift2p); AstNode* newp; @@ -1522,7 +1657,7 @@ private: && (con2p->toSInt() != con1p->toSInt() + sel1p->width())) { return false; } - bool lsbFirstAssign = (con1p->toUInt() < con2p->toUInt()); + const bool lsbFirstAssign = (con1p->toUInt() < con2p->toUInt()); UINFO(4, "replaceAssignMultiSel " << nodep << endl); UINFO(4, " && " << nextp << endl); // nodep->dumpTree(cout, "comb1: "); @@ -1681,8 +1816,8 @@ private: return true; } else if (m_doV && VN_IS(nodep->lhsp(), StreamL)) { // Push the stream operator to the rhs of the assignment statement - int dWidth = VN_CAST(nodep->lhsp(), StreamL)->lhsp()->width(); - int sWidth = nodep->rhsp()->width(); + const int dWidth = VN_CAST(nodep->lhsp(), StreamL)->lhsp()->width(); + const int sWidth = nodep->rhsp()->width(); // Unlink the stuff AstNode* dstp = VN_CAST(nodep->lhsp(), StreamL)->lhsp()->unlinkFrBack(); AstNode* streamp = VN_CAST(nodep->lhsp(), StreamL)->unlinkFrBack(); @@ -1702,8 +1837,8 @@ private: // The right stream operator on lhs of assignment statement does // not reorder bits. However, if the rhs is wider than the lhs, // then we select bits from the left-most, not the right-most. - int dWidth = VN_CAST(nodep->lhsp(), StreamR)->lhsp()->width(); - int sWidth = nodep->rhsp()->width(); + const int dWidth = VN_CAST(nodep->lhsp(), StreamR)->lhsp()->width(); + const int sWidth = nodep->rhsp()->width(); // Unlink the stuff AstNode* dstp = VN_CAST(nodep->lhsp(), StreamR)->lhsp()->unlinkFrBack(); AstNode* sizep = VN_CAST(nodep->lhsp(), StreamR)->rhsp()->unlinkFrBack(); @@ -2532,7 +2667,7 @@ private: string fmt; bool inPct = false; AstNode* argp = nodep->exprsp(); - string text = nodep->text(); + const string text = nodep->text(); for (const char ch : text) { if (!inPct && ch == '%') { inPct = true; @@ -2554,7 +2689,8 @@ private: if (argp) { AstNode* nextp = argp->nextp(); if (VN_IS(argp, Const)) { // Convert it - string out = VN_CAST(argp, Const)->num().displayed(nodep, fmt); + const string out + = VN_CAST(argp, Const)->num().displayed(nodep, fmt); UINFO(9, " DispConst: " << fmt << " -> " << out << " for " << argp << endl); // fmt = out w/ replace % with %% as it must be literal. @@ -2592,10 +2728,10 @@ private: iterateChildren(nodep); } virtual void visit(AstWhile* nodep) override { - bool oldHasJumpDelay = m_hasJumpDelay; + const bool oldHasJumpDelay = m_hasJumpDelay; m_hasJumpDelay = false; { iterateChildren(nodep); } - bool thisWhileHasJumpDelay = m_hasJumpDelay; + const bool thisWhileHasJumpDelay = m_hasJumpDelay; m_hasJumpDelay = thisWhileHasJumpDelay || oldHasJumpDelay; if (m_doNConst) { if (nodep->condp()->isZero()) { @@ -2964,9 +3100,11 @@ private: TREEOPV("AstConcat{$lhsp.castSel, $rhsp.castSel, ifAdjacentSel(VN_CAST($lhsp,,Sel),,VN_CAST($rhsp,,Sel))}", "replaceConcatSel(nodep)"); TREEOPV("AstConcat{ifConcatMergeableBiop($lhsp), concatMergeable($lhsp,,$rhsp)}", "replaceConcatMerge(nodep)"); // Common two-level operations that can be simplified - TREEOP ("AstAnd {$lhsp.castConst,matchAndCond(nodep)}", "DONE"); - TREEOP ("AstAnd {$lhsp.castOr, $rhsp.castOr, operandAndOrSame(nodep)}", "replaceAndOr(nodep)"); - TREEOP ("AstOr {$lhsp.castAnd,$rhsp.castAnd,operandAndOrSame(nodep)}", "replaceAndOr(nodep)"); + TREEOP ("AstAnd {$lhsp.castConst,matchAndCond(nodep)}", "DONE"); + TREEOP ("AstAnd {$lhsp.castConst, $rhsp.castOr, matchMaskedOr(nodep)}", "DONE"); + TREEOPC("AstAnd {$lhsp.castConst, matchMaskedShift(nodep)}", "DONE"); + TREEOP ("AstAnd {$lhsp.castOr, $rhsp.castOr, operandAndOrSame(nodep)}", "replaceAndOr(nodep)"); + TREEOP ("AstOr {$lhsp.castAnd,$rhsp.castAnd,operandAndOrSame(nodep)}", "replaceAndOr(nodep)"); TREEOP ("AstOr {matchOrAndNot(nodep)}", "DONE"); TREEOP ("AstAnd {operandShiftSame(nodep)}", "replaceShiftSame(nodep)"); TREEOP ("AstOr {operandShiftSame(nodep)}", "replaceShiftSame(nodep)"); diff --git a/src/V3Coverage.cpp b/src/V3Coverage.cpp index b2fa737d3..2f9524df8 100644 --- a/src/V3Coverage.cpp +++ b/src/V3Coverage.cpp @@ -92,7 +92,7 @@ private: // See also similar rule in V3TraceDecl::varIgnoreTrace if (!nodep->isToggleCoverable()) return "Not relevant signal type"; if (!v3Global.opt.coverageUnderscore()) { - string prettyName = nodep->prettyName(); + const string prettyName = nodep->prettyName(); if (prettyName[0] == '_') return "Leading underscore"; if (prettyName.find("._") != string::npos) return "Inlined leading underscore"; } @@ -114,7 +114,7 @@ private: // Note the module name could have parameters appended, we'll consider this // a feature as it allows for each parameterized block to be counted separately. // Someday the user might be allowed to specify a different page suffix - string page = page_prefix + "/" + m_modp->prettyName(); + const string page = page_prefix + "/" + m_modp->prettyName(); AstCoverDecl* declp = new AstCoverDecl(fl, page, comment, linescov, offset); declp->hier(hier); @@ -144,7 +144,7 @@ private: if (it == m_varnames.end()) { m_varnames.emplace(name, 1); } else { - int suffix = (it->second)++; + const int suffix = (it->second)++; name += "_" + cvtToStr(suffix); } return name; @@ -278,7 +278,7 @@ private: // We'll do this, and make the if(...) coverinc later. // Add signal to hold the old value - string newvarname = string("__Vtogcov__") + nodep->shortName(); + const string newvarname = string("__Vtogcov__") + nodep->shortName(); AstVar* chgVarp = new AstVar(nodep->fileline(), AstVarType::MODULETEMP, newvarname, nodep); chgVarp->fileline()->modifyWarnOff(V3ErrorCode::UNUSED, true); @@ -312,7 +312,7 @@ private: if (bdtypep->isRanged()) { for (int index_docs = bdtypep->lo(); index_docs < bdtypep->hi() + 1; ++index_docs) { - int index_code = index_docs - bdtypep->lo(); + const int index_code = index_docs - bdtypep->lo(); ToggleEnt newent(above.m_comment + string("[") + cvtToStr(index_docs) + "]", new AstSel(varp->fileline(), above.m_varRefp->cloneTree(true), index_code, 1), @@ -326,7 +326,7 @@ private: } } else if (AstUnpackArrayDType* adtypep = VN_CAST(dtypep, UnpackArrayDType)) { for (int index_docs = adtypep->lo(); index_docs <= adtypep->hi(); ++index_docs) { - int index_code = index_docs - adtypep->lo(); + const int index_code = index_docs - adtypep->lo(); ToggleEnt newent(above.m_comment + string("[") + cvtToStr(index_docs) + "]", new AstArraySel(varp->fileline(), above.m_varRefp->cloneTree(true), index_code), @@ -339,7 +339,7 @@ private: } else if (AstPackArrayDType* adtypep = VN_CAST(dtypep, PackArrayDType)) { for (int index_docs = adtypep->lo(); index_docs <= adtypep->hi(); ++index_docs) { AstNodeDType* subtypep = adtypep->subDTypep()->skipRefp(); - int index_code = index_docs - adtypep->lo(); + const int index_code = index_docs - adtypep->lo(); ToggleEnt newent(above.m_comment + string("[") + cvtToStr(index_docs) + "]", new AstSel(varp->fileline(), above.m_varRefp->cloneTree(true), index_code * subtypep->width(), subtypep->width()), @@ -354,7 +354,7 @@ private: for (AstMemberDType* itemp = adtypep->membersp(); itemp; itemp = VN_CAST(itemp->nextp(), MemberDType)) { AstNodeDType* subtypep = itemp->subDTypep()->skipRefp(); - int index_code = itemp->lsb(); + const int index_code = itemp->lsb(); ToggleEnt newent(above.m_comment + string(".") + itemp->name(), new AstSel(varp->fileline(), above.m_varRefp->cloneTree(true), index_code, subtypep->width()), @@ -385,17 +385,18 @@ private: UINFO(4, " IF: " << nodep << endl); if (m_state.m_on) { // An else-if. When we iterate the if, use "elsif" marking - bool elsif = nodep->ifsp() && VN_IS(nodep->elsesp(), If) && !nodep->elsesp()->nextp(); + const bool elsif + = nodep->ifsp() && VN_IS(nodep->elsesp(), If) && !nodep->elsesp()->nextp(); if (elsif) VN_CAST(nodep->elsesp(), If)->user1(true); - bool first_elsif = !nodep->user1() && elsif; - bool cont_elsif = nodep->user1() && elsif; - bool final_elsif = nodep->user1() && !elsif && nodep->elsesp(); + const bool first_elsif = !nodep->user1() && elsif; + const bool cont_elsif = nodep->user1() && elsif; + const bool final_elsif = nodep->user1() && !elsif && nodep->elsesp(); // // Considered: If conditional is on a different line from if/else then we // can show it as part of line coverage of the statement // above. Otherwise show it based on what is inside. // But: Seemed too complicated, and fragile. - CheckState lastState = m_state; + const CheckState lastState = m_state; CheckState ifState; CheckState elseState; { diff --git a/src/V3Delayed.cpp b/src/V3Delayed.cpp index 66d1ff33e..3e3cd280f 100644 --- a/src/V3Delayed.cpp +++ b/src/V3Delayed.cpp @@ -110,7 +110,7 @@ private: if (!lastrefp) { vscp->user5p(nodep); } else { - bool last_was_blocking = lastrefp->user5(); + const bool last_was_blocking = lastrefp->user5(); if (last_was_blocking != blocking) { AstNode* nonblockingp = blocking ? nodep : lastrefp; AstNode* blockingp = blocking ? lastrefp : nodep; @@ -228,7 +228,7 @@ private: UASSERT_OBJ(varrefp->varScopep(), varrefp, "Var didn't get varscoped in V3Scope.cpp"); varrefp->unlinkFrBack(); AstVar* oldvarp = varrefp->varp(); - int modVecNum = m_scopeVecMap[varrefp->varScopep()]++; + const int modVecNum = m_scopeVecMap[varrefp->varScopep()]++; // std::deque dimreadps; // Read value for each dimension of assignment for (unsigned dimension = 0; dimension < dimvalp.size(); dimension++) { @@ -236,8 +236,8 @@ private: if (VN_IS(dimp, Const)) { // bit = const, can just use it dimreadps.push_front(dimp); } else { - string bitvarname = (string("__Vdlyvdim") + cvtToStr(dimension) + "__" - + oldvarp->shortName() + "__v" + cvtToStr(modVecNum)); + const string bitvarname = (string("__Vdlyvdim") + cvtToStr(dimension) + "__" + + oldvarp->shortName() + "__v" + cvtToStr(modVecNum)); AstVarScope* bitvscp = createVarSc(varrefp->varScopep(), bitvarname, dimp->width(), nullptr); AstAssign* bitassignp = new AstAssign( @@ -256,8 +256,8 @@ private: // vlsb = constant, can just push constant into where we use it bitreadp = lsbvaluep; } else { - string bitvarname = (string("__Vdlyvlsb__") + oldvarp->shortName() + "__v" - + cvtToStr(modVecNum)); + const string bitvarname = (string("__Vdlyvlsb__") + oldvarp->shortName() + "__v" + + cvtToStr(modVecNum)); AstVarScope* bitvscp = createVarSc(varrefp->varScopep(), bitvarname, lsbvaluep->width(), nullptr); AstAssign* bitassignp = new AstAssign( @@ -440,7 +440,7 @@ private: checkActivePost(nodep, oldactivep); } if (!dlyvscp) { // First use of this delayed variable - string newvarname = (string("__Vdly__") + nodep->varp()->shortName()); + const string newvarname = (string("__Vdly__") + nodep->varp()->shortName()); dlyvscp = createVarSc(oldvscp, newvarname, 0, nullptr); AstNodeAssign* prep; AstBasicDType* basicp = oldvscp->dtypep()->basicp(); diff --git a/src/V3Depth.cpp b/src/V3Depth.cpp index 5ff517a62..9aef1f3b6 100644 --- a/src/V3Depth.cpp +++ b/src/V3Depth.cpp @@ -52,7 +52,7 @@ private: UINFO(6, " Deep " << nodep << endl); // if (debug() >= 9) nodep->dumpTree(cout, "deep:"); - string newvarname = (string("__Vdeeptemp") + cvtToStr(m_modp->varNumGetInc())); + const string newvarname = (string("__Vdeeptemp") + cvtToStr(m_modp->varNumGetInc())); AstVar* varp = new AstVar(nodep->fileline(), AstVarType::STMTTEMP, newvarname, nodep->dtypep()); UASSERT_OBJ(m_cfuncp, nodep, "Deep expression not under a function"); @@ -128,7 +128,7 @@ private: // (Here instead of new visitor after V3Descope just to avoid another visitor) void needNonStaticFunc(AstNode* nodep) { UASSERT_OBJ(m_cfuncp, nodep, "Non-static accessor not under a function"); - if (m_cfuncp->isStatic().trueUnknown()) { + if (m_cfuncp->isStatic()) { UINFO(5, "Mark non-public due to " << nodep << endl); m_cfuncp->isStatic(false); } diff --git a/src/V3DepthBlock.cpp b/src/V3DepthBlock.cpp index 36924db42..54a131a75 100644 --- a/src/V3DepthBlock.cpp +++ b/src/V3DepthBlock.cpp @@ -48,20 +48,24 @@ private: AstCFunc* createDeepFunc(AstNode* nodep) { AstNRelinker relinkHandle; nodep->unlinkFrBack(&relinkHandle); - // Create function - string name = m_cfuncp->name() + "__deep" + cvtToStr(++m_deepNum); - AstCFunc* funcp = new AstCFunc(nodep->fileline(), name, nullptr); - funcp->argTypes(EmitCBaseVisitor::symClassVar()); - funcp->symProlog(true); + // Create sub function + AstScope* const scopep = m_cfuncp->scopep(); + const string name = m_cfuncp->name() + "__deep" + cvtToStr(++m_deepNum); + AstCFunc* const funcp = new AstCFunc(nodep->fileline(), name, scopep); funcp->slow(m_cfuncp->slow()); + funcp->isStatic(m_cfuncp->isStatic()); + funcp->isLoose(m_cfuncp->isLoose()); funcp->addStmtsp(nodep); - m_modp->addStmtp(funcp); - // Call it at the point where the body was removed from - AstCCall* callp = new AstCCall(nodep->fileline(), funcp); - callp->argTypes("vlSymsp"); + scopep->addActivep(funcp); + // Call sub function at the point where the body was removed from + AstCCall* const callp = new AstCCall(nodep->fileline(), funcp); + if (VN_IS(m_modp, Class)) { + funcp->argTypes(EmitCBaseVisitor::symClassVar()); + callp->argTypes("vlSymsp"); + } UINFO(6, " New " << callp << endl); - // relinkHandle.relink(callp); + // Done return funcp; } diff --git a/src/V3Descope.cpp b/src/V3Descope.cpp index 3e40fa3ee..9b2e2cf76 100644 --- a/src/V3Descope.cpp +++ b/src/V3Descope.cpp @@ -46,17 +46,17 @@ private: // STATE AstNodeModule* m_modp = nullptr; // Current module - AstScope* m_scopep = nullptr; // Current scope - bool m_modSingleton = false; // m_modp is only instanced once - bool m_allowThis = false; // Allow function non-static - bool m_needThis = false; // Make function non-static + const AstScope* m_scopep = nullptr; // Current scope + const AstCFunc* m_funcp = nullptr; // Current function + bool m_modSingleton = false; // m_modp is only instantiated once FuncMmap m_modFuncs; // Name of public functions added // METHODS VL_DEBUG_FUNC; // Declare debug() static bool modIsSingleton(AstNodeModule* modp) { - // True iff there's exactly one instance of this module in the design. + // True iff there's exactly one instance of this module in the design (including top). + if (modp->isTop()) return true; int instances = 0; for (AstNode* stmtp = modp->stmtsp(); stmtp; stmtp = stmtp->nextp()) { if (VN_IS(stmtp, Scope)) { @@ -66,82 +66,39 @@ private: return (instances == 1); } - // Construct the best prefix to reference an object in 'scopep' - // from a CFunc in 'm_scopep'. Result may be relative - // ("this->[...]") or absolute ("vlTOPp->[...]"). + // Construct the best self pointer to reference an object in 'scopep' from a CFunc in + // 'm_scopep'. Result may be relative ("this->[...]") or absolute ("vlSyms->[...]"). // - // Using relative references allows V3Combine'ing - // code across multiple instances of the same module. - // - // Sets 'hierThisr' true if the object is local to this scope - // (and could be made into a function-local later in V3Localize), - // false if the object is in another scope. - string descopedName(bool& hierThisr, string& hierUnprot, const AstScope* scopep, - const AstVar* varp) { + // Using relative references allows V3Combine'ing code across multiple instances of the same + // module. + string descopedSelfPointer(const AstScope* scopep) { UASSERT(scopep, "Var/Func not scoped"); - hierThisr = (scopep == m_scopep); - // It's possible to disable relative references. This is a concession - // to older compilers (gcc < 4.5.x) that don't understand __restrict__ - // well and emit extra ld/st to guard against pointer aliasing - // when this-> and vlTOPp-> are mixed in the same function. - // - // "vlTOPp" is declared "restrict" so better compilers understand - // that it won't alias with "this". - bool relativeRefOk = v3Global.opt.relativeCFuncs(); - // - // Static functions can't use this - if (!m_allowThis) relativeRefOk = false; - // - // Use absolute refs in top-scoped routines, keep them static. - // The DPI callback registration depends on representing top-level - // static routines as plain function pointers. That breaks if those - // become true OO routines. - // - // V3Combine wouldn't likely be able to combine top-level - // routines anyway, so there's no harm in keeping these static. - UASSERT_OBJ(m_modp, scopep, "Scope not under module"); - if (m_modp->isTop()) relativeRefOk = false; - // - // Use absolute refs if this scope is the only instance of the module. - // Saves a bit of overhead on passing the 'this' pointer, and there's no - // need to be nice to V3Combine when we have only a single instance. - // The risk that this prevents combining identical logic from differently- - // named but identical modules seems low. - if (m_modSingleton) relativeRefOk = false; - // - // Class methods need relative - if (m_modp && VN_IS(m_modp, Class)) relativeRefOk = true; + // Static functions can't use relative references via 'this->' + const bool relativeRefOk = !m_funcp->isStatic(); - if (varp && varp->isFuncLocal()) { - hierThisr = true; - return ""; // Relative to function, not in this - } else if (relativeRefOk && scopep == m_scopep) { - m_needThis = true; - return "this->"; + UINFO(8, " Descope ref under " << m_scopep << endl); + UINFO(8, " ref to " << scopep << endl); + UINFO(8, " aboveScope " << scopep->aboveScopep() << endl); + + if (relativeRefOk && scopep == m_scopep) { + return "this"; } else if (VN_IS(scopep->modp(), Class)) { - hierUnprot = v3Global.opt.modPrefix() + "_"; // Prefix before protected part - return scopep->modp()->name() + "::"; - } else if (relativeRefOk && scopep->aboveScopep() && scopep->aboveScopep() == m_scopep) { - // Reference to scope of instance directly under this module, can just "cell->" + return "this"; + } else if (!m_modSingleton && relativeRefOk && scopep->aboveScopep() == m_scopep + && VN_IS(scopep->modp(), Module)) { + // Reference to scope of instance directly under this module, can just "this->cell", + // which can potentially be V3Combined, but note this requires one extra pointer + // dereference which is slower, so we only use it if the source scope is not a + // singleton. string name = scopep->name(); string::size_type pos; if ((pos = name.rfind('.')) != string::npos) name.erase(0, pos + 1); - m_needThis = true; - return name + "->"; + return "this->" + name; } else { - // Reference to something elsewhere, or relative references - // are disabled. Use global variable - UINFO(8, " Descope " << scopep << endl); - UINFO(8, " to " << scopep->name() << endl); - UINFO(8, " under " << m_scopep->name() << endl); - if (!scopep->aboveScopep()) { // Top - // We could also return "vlSymsp->TOPp->" here, but GCC would - // suspect aliases. - return "vlTOPp->"; - } else { - return scopep->nameVlSym() + "."; - } + // Reference to something elsewhere, or relative references are disabled. Use global + // variable + return "(&" + scopep->nameVlSym() + ")"; } } @@ -150,7 +107,7 @@ private: // If for any given name only one function exists, we can use that function directly. // If multiple functions exist, we need to select the appropriate scope. for (FuncMmap::iterator it = m_modFuncs.begin(); it != m_modFuncs.end(); ++it) { - string name = it->first; + const string name = it->first; AstCFunc* topFuncp = it->second; auto nextIt1 = it; ++nextIt1; @@ -164,11 +121,6 @@ private: if (newfuncp->finalsp()) newfuncp->finalsp()->unlinkFrBackWithNext()->deleteTree(); newfuncp->name(name); newfuncp->isStatic(false); - newfuncp->addInitsp( - new AstCStmt(newfuncp->fileline(), - EmitCBaseVisitor::symClassVar() + " = this->__VlSymsp;\n")); - newfuncp->addInitsp( - new AstCStmt(newfuncp->fileline(), EmitCBaseVisitor::symTopAssign() + "\n")); topFuncp->addNextHere(newfuncp); // In the body, call each function if it matches the given scope for (FuncMmap::iterator eachIt = it; @@ -177,7 +129,8 @@ private: AstCFunc* funcp = eachIt->second; auto nextIt2 = eachIt; ++nextIt2; - bool moreOfSame = (nextIt2 != m_modFuncs.end() && nextIt2->first == name); + const bool moreOfSame + = (nextIt2 != m_modFuncs.end() && nextIt2->first == name); UASSERT_OBJ(funcp->scopep(), funcp, "Not scoped"); UINFO(6, " Wrapping " << name << " " << funcp << endl); @@ -252,16 +205,17 @@ private: } virtual void visit(AstNodeVarRef* nodep) override { iterateChildren(nodep); + if (!nodep->varScopep()) { + UASSERT_OBJ(nodep->varp()->isFuncLocal(), nodep, + "unscoped reference can only appear to function locals at this point"); + return; + } // Convert the hierch name UINFO(9, " ref-in " << nodep << endl); UASSERT_OBJ(m_scopep, nodep, "Node not under scope"); - bool hierThis; - string hierUnprot; - nodep->hiernameToProt(descopedName(hierThis /*ref*/, hierUnprot /*ref*/, - nodep->varScopep()->scopep(), - nodep->varScopep()->varp())); - nodep->hiernameToUnprot(hierUnprot); - nodep->hierThis(hierThis); + const AstVar* const varp = nodep->varScopep()->varp(); + const AstScope* const scopep = nodep->varScopep()->scopep(); + if (!varp->isFuncLocal()) { nodep->selfPointer(descopedSelfPointer(scopep)); } nodep->varScopep(nullptr); UINFO(9, " refout " << nodep << endl); } @@ -270,24 +224,20 @@ private: iterateChildren(nodep); // Convert the hierch name UASSERT_OBJ(m_scopep, nodep, "Node not under scope"); - UASSERT_OBJ(nodep->funcp()->scopep(), nodep, "CFunc not under scope"); - bool hierThis; - string hierUnprot; - nodep->hiernameToProt( - descopedName(hierThis /*ref*/, hierUnprot /*ref*/, nodep->funcp()->scopep(), nullptr)); - nodep->hiernameToUnprot(hierUnprot); + const AstScope* const scopep = nodep->funcp()->scopep(); + nodep->selfPointer(descopedSelfPointer(scopep)); // Can't do this, as we may have more calls later // nodep->funcp()->scopep(nullptr); } virtual void visit(AstCFunc* nodep) override { - VL_RESTORER(m_needThis); - VL_RESTORER(m_allowThis); + VL_RESTORER(m_funcp); if (!nodep->user1()) { - m_needThis = false; - m_allowThis = nodep->isStatic().falseUnknown(); // Non-static or unknown if static + // Static functions should have been moved under the corresponding AstClassPackage + UASSERT(!(nodep->isStatic() && VN_IS(m_modp, Class)), + "Static function under AstClass"); + m_funcp = nodep; iterateChildren(nodep); nodep->user1(true); - if (m_needThis) nodep->isStatic(false); // If it's under a scope, move it up to the top if (m_scopep) { nodep->unlinkFrBack(); @@ -316,7 +266,6 @@ public: void V3Descope::descopeAll(AstNetlist* nodep) { UINFO(2, __FUNCTION__ << ": " << endl); - v3Global.assertScoped(false); { DescopeVisitor visitor(nodep); } // Destruct before checking V3Global::dumpCheckGlobalTree("descope", 0, v3Global.opt.dumpTreeLevel(__FILE__) >= 3); } diff --git a/src/V3EmitC.cpp b/src/V3EmitC.cpp index d71fdd96b..fc8cb08fa 100644 --- a/src/V3EmitC.cpp +++ b/src/V3EmitC.cpp @@ -18,115 +18,77 @@ #include "verilatedos.h" #include "V3Global.h" -#include "V3String.h" #include "V3EmitC.h" -#include "V3EmitCBase.h" -#include "V3Number.h" -#include "V3PartitionGraph.h" -#include "V3Task.h" -#include "V3TSP.h" +#include "V3EmitCFunc.h" -#include -#include #include #include -constexpr int VL_VALUE_STRING_MAX_WIDTH = 8192; // We use a static char array in VL_VALUE_STRING - -constexpr int EMITC_NUM_CONSTW - = 8; // Number of VL_CONST_W_*X's in verilated.h (IE VL_CONST_W_8X is last) - //###################################################################### -// Emit statements and math operators +// Internal EmitC implementation -class EmitCStmts VL_NOT_FINAL : public EmitCBaseVisitor { -private: - using VarVec = std::vector; - using VarSortMap = std::map; // Map size class to VarVec +class EmitCImp final : EmitCFunc { + // MEMBERS + AstNodeModule* m_fileModp = nullptr; // Files (names, headers) constructed using this module + bool m_slow = false; // Creating __Slow file + bool m_fast = false; // Creating non __Slow file (or both) - bool m_suppressSemi; - AstVarRef* m_wideTempRefp; // Variable that _WW macros should be setting - VarVec m_ctorVarsVec; // All variables in constructor order - int m_labelNum; // Next label number - int m_splitSize; // # of cfunc nodes placed into output file - int m_splitFilenum; // File number being created, 0 = primary - -public: + //--------------------------------------- // METHODS - VL_DEBUG_FUNC; // Declare debug() + V3OutCFile* newOutCFile(bool slow, bool source, int filenum = 0) { + m_lazyDecls.reset(); // Need to emit new lazy declarations + + string filenameNoExt = v3Global.opt.makeDir() + "/" + prefixNameProtect(m_fileModp); + if (filenum) filenameNoExt += "__" + cvtToStr(filenum); + filenameNoExt += (slow ? "__Slow" : ""); + V3OutCFile* ofp = nullptr; + if (v3Global.opt.lintOnly()) { + // Unfortunately we have some lint checks here, so we can't just skip processing. + // We should move them to a different stage. + const string filename = VL_DEV_NULL; + newCFile(filename, slow, source); + ofp = new V3OutCFile(filename); + } else if (optSystemC()) { + const string filename = filenameNoExt + (source ? ".cpp" : ".h"); + newCFile(filename, slow, source); + ofp = new V3OutScFile(filename); + } else { + const string filename = filenameNoExt + (source ? ".cpp" : ".h"); + newCFile(filename, slow, source); + ofp = new V3OutCFile(filename); + } + + ofp->putsHeader(); + if (source) { + ofp->puts("// DESCRIPTION: Verilator output: Design implementation internals\n"); + } else { + ofp->puts("// DESCRIPTION: Verilator output: Design internal header\n"); + } + ofp->puts("// See " + topClassName() + ".h for the primary calling header\n"); + return ofp; + } + + //--------------------------------------- + // VISITORS + using EmitCFunc::visit; // Suppress hidden overloaded virtual function warning + virtual void visit(AstCFunc* nodep) override { + // TRACE_* and DPI handled elsewhere + if (nodep->funcType().isTrace()) return; + if (nodep->dpiImportPrototype()) return; + if (nodep->dpiExportDispatcher()) return; + if (!(nodep->slow() ? m_slow : m_fast)) return; + + maybeSplit(); + + EmitCFunc::visit(nodep); + } + + //--------------------------------------- // ACCESSORS - int splitFilenum() const { return m_splitFilenum; } - int splitFilenumInc() { - m_splitSize = 0; - return ++m_splitFilenum; - } - int splitSize() const { return m_splitSize; } - void splitSizeInc(int count) { m_splitSize += count; } - void splitSizeInc(AstNode* nodep) { splitSizeInc(EmitCBaseCounterVisitor(nodep).count()); } - bool splitNeeded() const { - return (splitSize() && v3Global.opt.outputSplit() - && v3Global.opt.outputSplit() < splitSize()); - } // METHODS - void displayNode(AstNode* nodep, AstScopeName* scopenamep, const string& vformat, - AstNode* exprsp, bool isScan); - void displayEmit(AstNode* nodep, bool isScan); - void displayArg(AstNode* dispp, AstNode** elistp, bool isScan, const string& vfmt, bool ignore, - char fmtLetter); - - void emitVarDecl(const AstVar* nodep, const string& prefixIfImp); - enum EisWhich : uint8_t { - EVL_CLASS_IO, - EVL_CLASS_SIG, - EVL_CLASS_TEMP, - EVL_CLASS_PAR, - EVL_CLASS_ALL, - EVL_FUNC_ALL - }; - void emitVarList(AstNode* firstp, EisWhich which, const string& prefixIfImp, string& sectionr); - static void emitVarSort(const VarSortMap& vmap, VarVec* sortedp); - void emitSortedVarList(const VarVec& anons, const VarVec& nonanons, const string& prefixIfImp); - void emitVarCtors(bool* firstp); - void emitCtorSep(bool* firstp); - bool emitSimpleOk(AstNodeMath* nodep); - void emitIQW(AstNode* nodep) { - // Other abbrevs: "C"har, "S"hort, "F"loat, "D"ouble, stri"N"g - puts(nodep->dtypep()->charIQWN()); - } - void emitScIQW(AstVar* nodep) { - UASSERT_OBJ(nodep->isSc(), nodep, "emitting SystemC operator on non-SC variable"); - // clang-format off - puts(nodep->isScBigUint() ? "SB" - : nodep->isScUint() ? "SU" - : nodep->isScBv() ? "SW" - : (nodep->isScQuad() ? "SQ" : "SI")); - // clang-format on - } - void emitDatap(AstNode* nodep) { - // When passing to a function with va_args the compiler doesn't - // know need a pointer so when wide, need to look inside VlWide - if (nodep->isWide()) puts(".data()"); - } - - void emitOpName(AstNode* nodep, const string& format, AstNode* lhsp, AstNode* rhsp, - AstNode* thsp); - void emitDeclArrayBrackets(const AstVar* nodep) { - // This isn't very robust and may need cleanup for other data types - for (const AstUnpackArrayDType* arrayp - = VN_CAST_CONST(nodep->dtypeSkipRefp(), UnpackArrayDType); - arrayp; arrayp = VN_CAST_CONST(arrayp->subDTypep()->skipRefp(), UnpackArrayDType)) { - puts("[" + cvtToStr(arrayp->elementsConst()) + "]"); - } - } - void emitVarCmtChg(const AstVar* varp, string* curVarCmtp) { - string newVarCmt = varp->mtasksString(); - if (*curVarCmtp != newVarCmt) { - *curVarCmtp = newVarCmt; - if (v3Global.opt.threads()) puts("// Begin mtask footprint " + *curVarCmtp + "\n"); - } - } + // Low level void emitTypedefs(AstNode* firstp) { bool first = true; for (AstNode* loopp = firstp; loopp; loopp = loopp->nextp()) { @@ -161,7 +123,6 @@ public: } } } - void emitParams(AstNodeModule* modp, bool init, bool* firstp, string& sectionr) { bool anyi = false; for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { @@ -220,1653 +181,33 @@ public: } if (anyi) puts("\n"); } - - struct CmpName { - bool operator()(const AstNode* lhsp, const AstNode* rhsp) const { - return lhsp->name() < rhsp->name(); - } - }; - void emitIntFuncDecls(AstNodeModule* modp, bool methodFuncs) { + void emitIntFuncDecls(AstNodeModule* modp, bool inClassBody) { std::vector funcsp; for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { if (const AstCFunc* funcp = VN_CAST(nodep, CFunc)) { - if (!funcp->skipDecl() && funcp->isMethod() == methodFuncs - && !funcp->dpiImport()) { // DPI is prototyped in __Dpi.h - funcsp.push_back(funcp); - } + if (funcp->dpiImportPrototype()) // Declared in __Dpi.h + continue; + if (funcp->dpiExportDispatcher()) // Declared in __Dpi.h + continue; + if (funcp->isMethod() != inClassBody) // Only methods go inside class + continue; + if (funcp->isMethod() && funcp->isLoose()) // Loose methods are declared lazily + continue; + funcsp.push_back(funcp); } } - stable_sort(funcsp.begin(), funcsp.end(), CmpName()); + stable_sort(funcsp.begin(), funcsp.end(), [](const AstNode* ap, const AstNode* bp) { // + return ap->name() < bp->name(); + }); for (const AstCFunc* funcp : funcsp) { - ofp()->putsPrivate(funcp->declPrivate()); - if (!funcp->ifdef().empty()) puts("#ifdef " + funcp->ifdef() + "\n"); - if (funcp->isStatic().trueUnknown()) puts("static "); - if (funcp->isVirtual()) puts("virtual "); - if (!funcp->isConstructor() && !funcp->isDestructor()) { - puts(funcp->rtnTypeVoid()); - puts(" "); - } - puts(funcNameProtect(funcp, modp)); - puts("(" + cFuncArgs(funcp) + ")"); - if (funcp->isConst().trueKnown()) puts(" const"); - if (funcp->slow()) puts(" VL_ATTR_COLD"); - puts(";\n"); - if (!funcp->ifdef().empty()) puts("#endif // " + funcp->ifdef() + "\n"); - } - - if (methodFuncs && modp->isTop() && v3Global.opt.mtasks()) { - // Emit the mtask func prototypes. - AstExecGraph* execGraphp = v3Global.rootp()->execGraphp(); - UASSERT_OBJ(execGraphp, v3Global.rootp(), "Root should have an execGraphp"); - const V3Graph* depGraphp = execGraphp->depGraphp(); - for (const V3GraphVertex* vxp = depGraphp->verticesBeginp(); vxp; - vxp = vxp->verticesNextp()) { - const ExecMTask* mtp = dynamic_cast(vxp); - if (mtp->threadRoot()) { - // Emit function declaration for this mtask - ofp()->putsPrivate(true); - puts("static void "); - puts(protect(mtp->cFuncName())); - puts("(bool even_cycle, void* symtab);\n"); - } - } - // No AstCFunc for this one, as it's synthetic. Just write it: - puts("static void __Vmtask__final(bool even_cycle, void* symtab);\n"); - } - } - void ccallIterateArgs(AstNodeCCall* nodep) { - puts(nodep->argTypes()); - bool comma = (nodep->argTypes() != ""); - for (AstNode* subnodep = nodep->argsp(); subnodep; subnodep = subnodep->nextp()) { - if (comma) puts(", "); - iterate(subnodep); - comma = true; + if (inClassBody) ofp()->putsPrivate(funcp->declPrivate()); + emitCFuncDecl(funcp, modp); } } - // VISITORS - virtual void visit(AstNodeAssign* nodep) override { - bool paren = true; - bool decind = false; - if (AstSel* selp = VN_CAST(nodep->lhsp(), Sel)) { - if (selp->widthMin() == 1) { - putbs("VL_ASSIGNBIT_"); - emitIQW(selp->fromp()); - if (nodep->rhsp()->isAllOnesV()) { - puts("O("); - } else { - puts("I("); - } - puts(cvtToStr(nodep->widthMin()) + ","); - iterateAndNextNull(selp->lsbp()); - puts(", "); - iterateAndNextNull(selp->fromp()); - puts(", "); - } else { - putbs("VL_ASSIGNSEL_"); - emitIQW(selp->fromp()); - puts("II"); - emitIQW(nodep->rhsp()); - puts("("); - puts(cvtToStr(selp->fromp()->widthMin()) + ","); - puts(cvtToStr(nodep->widthMin()) + ","); - iterateAndNextNull(selp->lsbp()); - puts(", "); - iterateAndNextNull(selp->fromp()); - puts(", "); - } - } else if (AstGetcRefN* selp = VN_CAST(nodep->lhsp(), GetcRefN)) { - iterateAndNextNull(selp->lhsp()); - puts(" = "); - putbs("VL_PUTC_N("); - iterateAndNextNull(selp->lhsp()); - puts(", "); - iterateAndNextNull(selp->rhsp()); - puts(", "); - } else if (AstVar* varp = AstVar::scVarRecurse(nodep->lhsp())) { - putbs("VL_ASSIGN_"); // Set a systemC variable - emitScIQW(varp); - emitIQW(nodep); - puts("("); - puts(cvtToStr(nodep->widthMin()) + ","); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - } else if (AstVar* varp = AstVar::scVarRecurse(nodep->rhsp())) { - putbs("VL_ASSIGN_"); // Get a systemC variable - emitIQW(nodep); - emitScIQW(varp); - puts("("); - puts(cvtToStr(nodep->widthMin()) + ","); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - } else if (nodep->isWide() && VN_IS(nodep->lhsp(), VarRef) // - && !VN_IS(nodep->rhsp(), CMath) // - && !VN_IS(nodep->rhsp(), CMethodHard) // - && !VN_IS(nodep->rhsp(), VarRef) // - && !VN_IS(nodep->rhsp(), AssocSel) // - && !VN_IS(nodep->rhsp(), ArraySel)) { - // Wide functions assign into the array directly, don't need separate assign statement - m_wideTempRefp = VN_CAST(nodep->lhsp(), VarRef); - paren = false; - } else if (nodep->isWide()) { - putbs("VL_ASSIGN_W("); - puts(cvtToStr(nodep->widthMin()) + ","); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - } else { - paren = false; - iterateAndNextNull(nodep->lhsp()); - puts(" "); - ofp()->blockInc(); - decind = true; - if (!VN_IS(nodep->rhsp(), Const)) ofp()->putBreak(); - puts("= "); - } - iterateAndNextNull(nodep->rhsp()); - if (paren) puts(")"); - if (decind) ofp()->blockDec(); - if (!m_suppressSemi) puts(";\n"); - } - virtual void visit(AstAlwaysPublic*) override {} - virtual void visit(AstAssocSel* nodep) override { - iterateAndNextNull(nodep->fromp()); - putbs(".at("); - AstAssocArrayDType* adtypep = VN_CAST(nodep->fromp()->dtypep(), AssocArrayDType); - UASSERT_OBJ(adtypep, nodep, "Associative select on non-associative type"); - if (adtypep->keyDTypep()->isWide()) { - emitCvtWideArray(nodep->bitp(), nodep->fromp()); - } else { - iterateAndNextNull(nodep->bitp()); - } - puts(")"); - } - virtual void visit(AstNodeCCall* nodep) override { - if (AstCMethodCall* ccallp = VN_CAST(nodep, CMethodCall)) { - // make this a Ast type for future opt - iterate(ccallp->fromp()); - putbs("->"); - } else { - puts(nodep->hiernameProtect()); - } - puts(nodep->funcp()->nameProtect()); - puts("("); - ccallIterateArgs(nodep); - if (VN_IS(nodep->backp(), NodeMath) || VN_IS(nodep->backp(), CReturn)) { - // We should have a separate CCall for math and statement usage, but... - puts(")"); - } else { - puts(");\n"); - } - } - virtual void visit(AstCMethodHard* nodep) override { - iterate(nodep->fromp()); - puts("."); - puts(nodep->nameProtect()); - puts("("); - bool comma = false; - for (AstNode* subnodep = nodep->pinsp(); subnodep; subnodep = subnodep->nextp()) { - if (comma) puts(", "); - // handle wide arguments to the queues - if (VN_IS(nodep->fromp()->dtypep(), QueueDType) && subnodep->dtypep()->isWide()) { - emitCvtWideArray(subnodep, nodep->fromp()); - } else { - iterate(subnodep); - } - comma = true; - } - puts(")"); - // Some are statements some are math. - if (nodep->isStatement()) puts(";\n"); - UASSERT_OBJ(!nodep->isStatement() || VN_IS(nodep->dtypep(), VoidDType), nodep, - "Statement of non-void data type"); - } - virtual void visit(AstLambdaArgRef* nodep) override { putbs(nodep->nameProtect()); } - virtual void visit(AstWith* nodep) override { - // With uses a C++11 lambda - putbs("[=]("); - if (auto* argrefp = nodep->indexArgRefp()) { - putbs(argrefp->dtypep()->cType(argrefp->nameProtect(), false, false)); - puts(","); - } - if (auto* argrefp = nodep->valueArgRefp()) { - putbs(argrefp->dtypep()->cType(argrefp->nameProtect(), false, false)); - } - // Probably fragile, V3Task may need to convert to a AstCReturn - puts(") { return "); - iterateAndNextNull(nodep->exprp()); - puts("; }\n"); - } - virtual void visit(AstIntfRef* nodep) override { - putsQuoted(VIdProtect::protectWordsIf(AstNode::vcdName(nodep->name()), nodep->protect())); - } - virtual void visit(AstNodeCase* nodep) override { // LCOV_EXCL_LINE - // In V3Case... - nodep->v3fatalSrc("Case statements should have been reduced out"); - } - virtual void visit(AstComment* nodep) override { - string at; - if (nodep->showAt()) { - at = " at " + nodep->fileline()->ascii(); - // If protecting, passthru less information about the design - if (!v3Global.opt.protectIds()) return; - } - if (!(nodep->protect() && v3Global.opt.protectIds())) { - putsDecoration(string("// ") + nodep->name() + at + "\n"); - } - iterateChildren(nodep); - } - virtual void visit(AstCoverDecl* nodep) override { - puts("self->__vlCoverInsert("); // As Declared in emitCoverageDecl - puts("&(vlSymsp->__Vcoverage["); - puts(cvtToStr(nodep->dataDeclThisp()->binNum())); - puts("])"); - // If this isn't the first instantiation of this module under this - // design, don't really count the bucket, and rely on verilator_cov to - // aggregate counts. This is because Verilator combines all - // hierarchies itself, and if verilator_cov also did it, you'd end up - // with (number-of-instant) times too many counts in this bin. - puts(", first"); // Enable, passed from __Vconfigure parameter - puts(", "); - putsQuoted(protect(nodep->fileline()->filename())); - puts(", "); - puts(cvtToStr(nodep->fileline()->lineno())); - puts(", "); - puts(cvtToStr(nodep->offset() + nodep->fileline()->firstColumn())); - puts(", "); - putsQuoted((!nodep->hier().empty() ? "." : "") - + protectWordsIf(nodep->hier(), nodep->protect())); - puts(", "); - putsQuoted(protectWordsIf(nodep->page(), nodep->protect())); - puts(", "); - putsQuoted(protectWordsIf(nodep->comment(), nodep->protect())); - puts(", "); - putsQuoted(nodep->linescov()); - puts(");\n"); - } - virtual void visit(AstCoverInc* nodep) override { - if (v3Global.opt.threads()) { - puts("vlSymsp->__Vcoverage["); - puts(cvtToStr(nodep->declp()->dataDeclThisp()->binNum())); - puts("].fetch_add(1, std::memory_order_relaxed);\n"); - } else { - puts("++(vlSymsp->__Vcoverage["); - puts(cvtToStr(nodep->declp()->dataDeclThisp()->binNum())); - puts("]);\n"); - } - } - virtual void visit(AstCReturn* nodep) override { - puts("return ("); - iterateAndNextNull(nodep->lhsp()); - puts(");\n"); - } - virtual void visit(AstDisplay* nodep) override { - string text = nodep->fmtp()->text(); - if (nodep->addNewline()) text += "\n"; - displayNode(nodep, nodep->fmtp()->scopeNamep(), text, nodep->fmtp()->exprsp(), false); - } - virtual void visit(AstDumpCtl* nodep) override { - switch (nodep->ctlType()) { - case VDumpCtlType::FILE: - puts("vlSymsp->_vm_contextp__->dumpfile("); - emitCvtPackStr(nodep->exprp()); - puts(");\n"); - break; - case VDumpCtlType::VARS: - // We ignore number of levels to dump in exprp() - if (v3Global.opt.trace()) { - puts("vlSymsp->TOPp->_traceDumpOpen();\n"); - } else { - puts("VL_PRINTF_MT(\"-Info: "); - puts(protect(nodep->fileline()->filename())); - puts(":"); - puts(cvtToStr(nodep->fileline()->lineno())); - puts(": $dumpvar ignored, as Verilated without --trace"); - puts("\\n\");\n"); - } - break; - case VDumpCtlType::ALL: - // $dumpall currently ignored - break; - case VDumpCtlType::FLUSH: - // $dumpall currently ignored; would need rework of VCD single thread, - // or flag we pass-through to next eval() iteration - break; - case VDumpCtlType::LIMIT: - // $dumplimit currently ignored - break; - case VDumpCtlType::OFF: - // Currently ignored as both Vcd and Fst do not support them, as would need "X" dump - break; - case VDumpCtlType::ON: - // Currently ignored as $dumpoff is also ignored - break; - default: nodep->v3fatalSrc("Bad case, unexpected " << nodep->ctlType().ascii()); - } - } - virtual void visit(AstScopeName* nodep) override { - // For use under AstCCalls for dpiImports. ScopeNames under - // displays are handled in AstDisplay - if (!nodep->dpiExport()) { - // this is where the DPI import context scope is set - string scope = nodep->scopeDpiName(); - putbs("(&(vlSymsp->" + protect("__Vscope_" + scope) + "))"); - } - } - virtual void visit(AstSFormat* nodep) override { - displayNode(nodep, nodep->fmtp()->scopeNamep(), nodep->fmtp()->text(), - nodep->fmtp()->exprsp(), false); - } - virtual void visit(AstSFormatF* nodep) override { - displayNode(nodep, nodep->scopeNamep(), nodep->text(), nodep->exprsp(), false); - } - virtual void visit(AstFScanF* nodep) override { - displayNode(nodep, nullptr, nodep->text(), nodep->exprsp(), true); - } - virtual void visit(AstSScanF* nodep) override { - displayNode(nodep, nullptr, nodep->text(), nodep->exprsp(), true); - } - virtual void visit(AstValuePlusArgs* nodep) override { - puts("VL_VALUEPLUSARGS_IN"); - emitIQW(nodep->outp()); - puts("("); - puts(cvtToStr(nodep->outp()->widthMin())); - puts(", "); - emitCvtPackStr(nodep->searchp()); - puts(", "); - putbs(""); - iterateAndNextNull(nodep->outp()); - puts(")"); - } - virtual void visit(AstTestPlusArgs* nodep) override { - puts("VL_TESTPLUSARGS_I("); - putsQuoted(nodep->text()); - puts(")"); - } - virtual void visit(AstFError* nodep) override { - puts("VL_FERROR_IN("); - iterateAndNextNull(nodep->filep()); - putbs(", "); - iterateAndNextNull(nodep->strp()); - puts(")"); - } - virtual void visit(AstFGetS* nodep) override { - checkMaxWords(nodep); - emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nullptr); - } - - void checkMaxWords(AstNode* nodep) { - if (nodep->widthWords() > VL_TO_STRING_MAX_WORDS) { - nodep->v3error( - "String of " - << nodep->width() - << " bits exceeds hardcoded limit VL_TO_STRING_MAX_WORDS in verilatedos.h"); - } - } - virtual void visit(AstFOpen* nodep) override { - iterateAndNextNull(nodep->filep()); - puts(" = VL_FOPEN_NN("); - emitCvtPackStr(nodep->filenamep()); - putbs(", "); - if (nodep->modep()->width() > 4 * 8) - nodep->modep()->v3error("$fopen mode should be <= 4 characters"); - emitCvtPackStr(nodep->modep()); - puts(");\n"); - } - virtual void visit(AstFOpenMcd* nodep) override { - iterateAndNextNull(nodep->filep()); - puts(" = VL_FOPEN_MCD_N("); - emitCvtPackStr(nodep->filenamep()); - puts(");\n"); - } - virtual void visit(AstNodeReadWriteMem* nodep) override { - puts(nodep->cFuncPrefixp()); - puts("N("); - puts(nodep->isHex() ? "true" : "false"); - putbs(", "); - // Need real storage width - puts(cvtToStr(nodep->memp()->dtypep()->subDTypep()->widthMin())); - uint32_t array_lo = 0; - { - const AstVarRef* varrefp = VN_CAST(nodep->memp(), VarRef); - if (!varrefp) { - nodep->v3error(nodep->verilogKwd() << " loading non-variable"); - } else if (VN_IS(varrefp->varp()->dtypeSkipRefp(), AssocArrayDType)) { - // nodep->memp() below will when verilated code is compiled create a C++ template - } else if (const AstUnpackArrayDType* adtypep - = VN_CAST(varrefp->varp()->dtypeSkipRefp(), UnpackArrayDType)) { - putbs(", "); - puts(cvtToStr(varrefp->varp()->dtypep()->arrayUnpackedElements())); - array_lo = adtypep->lo(); - putbs(", "); - puts(cvtToStr(array_lo)); - } else { - nodep->v3error(nodep->verilogKwd() - << " loading other than unpacked/associative-array variable"); - } - } - putbs(", "); - emitCvtPackStr(nodep->filenamep()); - putbs(", "); - { - const bool need_ptr = !VN_IS(nodep->memp()->dtypep(), AssocArrayDType); - if (need_ptr) puts(" &("); - iterateAndNextNull(nodep->memp()); - if (need_ptr) puts(")"); - } - putbs(", "); - if (nodep->lsbp()) { - iterateAndNextNull(nodep->lsbp()); - } else { - puts(cvtToStr(array_lo)); - } - putbs(", "); - if (nodep->msbp()) { - iterateAndNextNull(nodep->msbp()); - } else { - puts("~0ULL"); - } - puts(");\n"); - } - virtual void visit(AstFClose* nodep) override { - puts("VL_FCLOSE_I("); - iterateAndNextNull(nodep->filep()); - puts("); "); - iterateAndNextNull(nodep->filep()); // For safety, so user doesn't later WRITE with it. - puts(" = 0;\n"); - } - virtual void visit(AstFFlush* nodep) override { - if (!nodep->filep()) { - puts("Verilated::runFlushCallbacks();\n"); - } else { - puts("if ("); - iterateAndNextNull(nodep->filep()); - puts(") { VL_FFLUSH_I("); - iterateAndNextNull(nodep->filep()); - puts("); }\n"); - } - } - virtual void visit(AstFSeek* nodep) override { - puts("(VL_FSEEK_I("); - iterateAndNextNull(nodep->filep()); - puts(","); - iterateAndNextNull(nodep->offset()); - puts(","); - iterateAndNextNull(nodep->operation()); - puts(") == -1 ? -1 : 0)"); - } - virtual void visit(AstFTell* nodep) override { - puts("VL_FTELL_I("); - iterateAndNextNull(nodep->filep()); - puts(")"); - } - virtual void visit(AstFRewind* nodep) override { - puts("(VL_FSEEK_I("); - iterateAndNextNull(nodep->filep()); - puts(", 0, 0) == -1 ? -1 : 0)"); - } - virtual void visit(AstFRead* nodep) override { - puts("VL_FREAD_I("); - puts(cvtToStr(nodep->memp()->widthMin())); // Need real storage width - putbs(","); - uint32_t array_lo = 0; - uint32_t array_size = 0; - { - const AstVarRef* varrefp = VN_CAST(nodep->memp(), VarRef); - if (!varrefp) { - nodep->v3error(nodep->verilogKwd() << " loading non-variable"); - } else if (VN_CAST(varrefp->varp()->dtypeSkipRefp(), BasicDType)) { - } else if (const AstUnpackArrayDType* adtypep - = VN_CAST(varrefp->varp()->dtypeSkipRefp(), UnpackArrayDType)) { - array_lo = adtypep->lo(); - array_size = adtypep->elementsConst(); - } else { - nodep->v3error(nodep->verilogKwd() - << " loading other than unpacked-array variable"); - } - } - puts(cvtToStr(array_lo)); - putbs(","); - puts(cvtToStr(array_size)); - putbs(", "); - puts("&("); - iterateAndNextNull(nodep->memp()); - puts(")"); - putbs(", "); - iterateAndNextNull(nodep->filep()); - putbs(", "); - if (nodep->startp()) { - iterateAndNextNull(nodep->startp()); - } else { - puts(cvtToStr(array_lo)); - } - putbs(", "); - if (nodep->countp()) { - iterateAndNextNull(nodep->countp()); - } else { - puts(cvtToStr(array_size)); - } - puts(")"); - } - virtual void visit(AstSysFuncAsTask* nodep) override { - if (!nodep->lhsp()->isWide()) puts("(void)"); - iterateAndNextNull(nodep->lhsp()); - if (!nodep->lhsp()->isWide()) puts(";"); - } - virtual void visit(AstSystemT* nodep) override { - puts("(void)VL_SYSTEM_I"); - emitIQW(nodep->lhsp()); - puts("("); - if (nodep->lhsp()->isWide()) { - puts(cvtToStr(nodep->lhsp()->widthWords())); - putbs(", "); - } - checkMaxWords(nodep->lhsp()); - iterateAndNextNull(nodep->lhsp()); - puts(");\n"); - } - virtual void visit(AstSystemF* nodep) override { - puts("VL_SYSTEM_I"); - emitIQW(nodep->lhsp()); - puts("("); - if (nodep->lhsp()->isWide()) { - puts(cvtToStr(nodep->lhsp()->widthWords())); - putbs(", "); - } - checkMaxWords(nodep->lhsp()); - iterateAndNextNull(nodep->lhsp()); - puts(")"); - } - virtual void visit(AstJumpBlock* nodep) override { - nodep->labelNum(++m_labelNum); - puts("{\n"); // Make it visually obvious label jumps outside these - iterateAndNextNull(nodep->stmtsp()); - iterateAndNextNull(nodep->endStmtsp()); - puts("}\n"); - } - virtual void visit(AstJumpGo* nodep) override { - puts("goto __Vlabel" + cvtToStr(nodep->labelp()->blockp()->labelNum()) + ";\n"); - } - virtual void visit(AstJumpLabel* nodep) override { - puts("__Vlabel" + cvtToStr(nodep->blockp()->labelNum()) + ": ;\n"); - } - virtual void visit(AstWhile* nodep) override { - iterateAndNextNull(nodep->precondsp()); - puts("while ("); - iterateAndNextNull(nodep->condp()); - puts(") {\n"); - iterateAndNextNull(nodep->bodysp()); - iterateAndNextNull(nodep->incsp()); - iterateAndNextNull(nodep->precondsp()); // Need to recompute before next loop - puts("}\n"); - } - virtual void visit(AstNodeIf* nodep) override { - puts("if ("); - if (!nodep->branchPred().unknown()) { - puts(nodep->branchPred().ascii()); - puts("("); - } - iterateAndNextNull(nodep->condp()); - if (!nodep->branchPred().unknown()) puts(")"); - puts(") {\n"); - iterateAndNextNull(nodep->ifsp()); - puts("}"); - if (!nodep->elsesp()) { - puts("\n"); - } else { - if (VN_IS(nodep->elsesp(), NodeIf) && !nodep->elsesp()->nextp()) { - puts(" else "); - iterateAndNextNull(nodep->elsesp()); - } else { - puts(" else {\n"); - iterateAndNextNull(nodep->elsesp()); - puts("}\n"); - } - } - } - virtual void visit(AstExprStmt* nodep) override { - // GCC allows compound statements in expressions, but this is not standard. - // So we use an immediate-evaluation lambda and comma operator - putbs("([&]() {\n"); - iterateAndNextNull(nodep->stmtsp()); - puts("}(), "); - iterateAndNextNull(nodep->resultp()); - puts(")"); - } - virtual void visit(AstStop* nodep) override { - puts("VL_STOP_MT("); - putsQuoted(protect(nodep->fileline()->filename())); - puts(", "); - puts(cvtToStr(nodep->fileline()->lineno())); - puts(", \"\""); - puts(");\n"); - } - virtual void visit(AstFinish* nodep) override { - puts("VL_FINISH_MT("); - putsQuoted(protect(nodep->fileline()->filename())); - puts(", "); - puts(cvtToStr(nodep->fileline()->lineno())); - puts(", \"\");\n"); - } - virtual void visit(AstPrintTimeScale* nodep) override { - puts("VL_PRINTTIMESCALE("); - putsQuoted(protect(nodep->name())); - puts(", "); - putsQuoted(nodep->timeunit().ascii()); - puts(", vlSymsp->_vm_contextp__);\n"); - } - virtual void visit(AstRand* nodep) override { - emitOpName(nodep, nodep->emitC(), nodep->seedp(), nullptr, nullptr); - } - virtual void visit(AstTime* nodep) override { - puts("VL_TIME_UNITED_Q("); - if (nodep->timeunit().isNone()) nodep->v3fatalSrc("$time has no units"); - puts(cvtToStr(nodep->timeunit().multiplier() - / v3Global.rootp()->timeprecision().multiplier())); - puts(")"); - } - virtual void visit(AstTimeD* nodep) override { - puts("VL_TIME_UNITED_D("); - if (nodep->timeunit().isNone()) nodep->v3fatalSrc("$realtime has no units"); - puts(cvtToStr(nodep->timeunit().multiplier() - / v3Global.rootp()->timeprecision().multiplier())); - puts(")"); - } - virtual void visit(AstTimeFormat* nodep) override { - puts("VL_TIMEFORMAT_IINI("); - iterateAndNextNull(nodep->unitsp()); - puts(", "); - iterateAndNextNull(nodep->precisionp()); - puts(", "); - emitCvtPackStr(nodep->suffixp()); - puts(", "); - iterateAndNextNull(nodep->widthp()); - puts(", vlSymsp->_vm_contextp__);\n"); - } - virtual void visit(AstNodeSimpleText* nodep) override { - if (nodep->tracking() || m_trackText) { - puts(nodep->text()); - } else { - ofp()->putsNoTracking(nodep->text()); - } - } - virtual void visit(AstTextBlock* nodep) override { - visit(VN_CAST(nodep, NodeSimpleText)); - for (AstNode* childp = nodep->nodesp(); childp; childp = childp->nextp()) { - iterate(childp); - if (nodep->commas() && childp->nextp()) puts(", "); - } - } - virtual void visit(AstCStmt* nodep) override { - putbs(""); - iterateAndNextNull(nodep->bodysp()); - } - virtual void visit(AstCMath* nodep) override { - putbs(""); - iterateAndNextNull(nodep->bodysp()); - } - virtual void visit(AstUCStmt* nodep) override { - putsDecoration(ifNoProtect("// $c statement at " + nodep->fileline()->ascii() + "\n")); - iterateAndNextNull(nodep->bodysp()); - puts("\n"); - } - virtual void visit(AstUCFunc* nodep) override { - puts("\n"); - putsDecoration(ifNoProtect("// $c function at " + nodep->fileline()->ascii() + "\n")); - iterateAndNextNull(nodep->bodysp()); - puts("\n"); - } - - // Operators - virtual void visit(AstNodeTermop* nodep) override { - emitOpName(nodep, nodep->emitC(), nullptr, nullptr, nullptr); - } - virtual void visit(AstNodeUniop* nodep) override { - if (nodep->emitCheckMaxWords() - && (nodep->widthWords() > VL_MULS_MAX_WORDS - || nodep->lhsp()->widthWords() > VL_MULS_MAX_WORDS)) { - nodep->v3warn( - E_UNSUPPORTED, - "Unsupported: " - << nodep->prettyOperatorName() << " operator of " << nodep->width() - << " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h"); - } - if (emitSimpleOk(nodep)) { - putbs("("); - puts(nodep->emitSimpleOperator()); - puts(" "); - iterateAndNextNull(nodep->lhsp()); - puts(")"); - } else { - emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nullptr, nullptr); - } - } - virtual void visit(AstNodeBiop* nodep) override { - if (nodep->emitCheckMaxWords() && nodep->widthWords() > VL_MULS_MAX_WORDS) { - nodep->v3warn( - E_UNSUPPORTED, - "Unsupported: " - << nodep->prettyOperatorName() << " operator of " << nodep->width() - << " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h"); - } - if (emitSimpleOk(nodep)) { - putbs("("); - iterateAndNextNull(nodep->lhsp()); - puts(" "); - putbs(nodep->emitSimpleOperator()); - puts(" "); - iterateAndNextNull(nodep->rhsp()); - puts(")"); - } else { - emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nullptr); - } - } - virtual void visit(AstNodeTriop* nodep) override { - UASSERT_OBJ(!emitSimpleOk(nodep), nodep, "Triop cannot be described in a simple way"); - emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nodep->thsp()); - } - virtual void visit(AstRedXor* nodep) override { - if (nodep->lhsp()->isWide()) { - visit(VN_CAST(nodep, NodeUniop)); - } else { - putbs("VL_REDXOR_"); - puts(cvtToStr(nodep->lhsp()->dtypep()->widthPow2())); - puts("("); - iterateAndNextNull(nodep->lhsp()); - puts(")"); - } - } - virtual void visit(AstCCast* nodep) override { - // Extending a value of the same word width is just a NOP. - if (nodep->size() <= VL_IDATASIZE) { - puts("(IData)("); - } else { - puts("(QData)("); - } - iterateAndNextNull(nodep->lhsp()); - puts(")"); - } - virtual void visit(AstNodeCond* nodep) override { - // Widths match up already, so we'll just use C++'s operator w/o any temps. - if (nodep->expr1p()->isWide()) { - emitOpName(nodep, nodep->emitC(), nodep->condp(), nodep->expr1p(), nodep->expr2p()); - } else { - putbs("("); - iterateAndNextNull(nodep->condp()); - putbs(" ? "); - iterateAndNextNull(nodep->expr1p()); - putbs(" : "); - iterateAndNextNull(nodep->expr2p()); - puts(")"); - } - } - virtual void visit(AstMemberSel* nodep) override { - iterateAndNextNull(nodep->fromp()); - putbs("->"); - puts(nodep->varp()->nameProtect()); - } - virtual void visit(AstNullCheck* nodep) override { - puts("VL_NULL_CHECK("); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - putsQuoted(protect(nodep->fileline()->filename())); - puts(", "); - puts(cvtToStr(nodep->fileline()->lineno())); - puts(")"); - } - virtual void visit(AstCNew* nodep) override { - puts("std::make_shared<" + prefixNameProtect(nodep->dtypep()) + ">("); - puts("vlSymsp"); // TODO make this part of argsp, and eliminate when unnecessary - if (nodep->argsp()) puts(", "); - iterateAndNextNull(nodep->argsp()); - puts(")"); - } - virtual void visit(AstNewCopy* nodep) override { - puts("std::make_shared<" + prefixNameProtect(nodep->dtypep()) + ">("); - puts("*"); // i.e. make into a reference - iterateAndNextNull(nodep->rhsp()); - puts(")"); - } - virtual void visit(AstSel* nodep) override { - // Note ASSIGN checks for this on a LHS - emitOpName(nodep, nodep->emitC(), nodep->fromp(), nodep->lsbp(), nodep->thsp()); - } - virtual void visit(AstReplicate* nodep) override { - if (nodep->lhsp()->widthMin() == 1 && !nodep->isWide()) { - UASSERT_OBJ((static_cast(VN_CAST(nodep->rhsp(), Const)->toUInt()) - * nodep->lhsp()->widthMin()) - == nodep->widthMin(), - nodep, "Replicate non-constant or width miscomputed"); - puts("VL_REPLICATE_"); - emitIQW(nodep); - puts("OI("); - puts(cvtToStr(nodep->widthMin())); - if (nodep->lhsp()) puts("," + cvtToStr(nodep->lhsp()->widthMin())); - if (nodep->rhsp()) puts("," + cvtToStr(nodep->rhsp()->widthMin())); - puts(","); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - iterateAndNextNull(nodep->rhsp()); - puts(")"); - } else { - emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nullptr); - } - } - virtual void visit(AstStreamL* nodep) override { - // Attempt to use a "fast" stream function for slice size = power of 2 - if (!nodep->isWide()) { - uint32_t isPow2 = VN_CAST(nodep->rhsp(), Const)->num().countOnes() == 1; - uint32_t sliceSize = VN_CAST(nodep->rhsp(), Const)->toUInt(); - if (isPow2 && sliceSize <= (nodep->isQuad() ? sizeof(uint64_t) : sizeof(uint32_t))) { - puts("VL_STREAML_FAST_"); - emitIQW(nodep); - emitIQW(nodep->lhsp()); - puts("I("); - puts(cvtToStr(nodep->widthMin())); - puts("," + cvtToStr(nodep->lhsp()->widthMin())); - puts("," + cvtToStr(nodep->rhsp()->widthMin())); - puts(","); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - uint32_t rd_log2 = V3Number::log2b(VN_CAST(nodep->rhsp(), Const)->toUInt()); - puts(cvtToStr(rd_log2) + ")"); - return; - } - } - emitOpName(nodep, "VL_STREAML_%nq%lq%rq(%nw,%lw,%rw, %P, %li, %ri)", nodep->lhsp(), - nodep->rhsp(), nullptr); - } - virtual void visit(AstCastDynamic* nodep) override { - putbs("VL_CAST_DYNAMIC("); - iterateAndNextNull(nodep->lhsp()); - puts(", "); - iterateAndNextNull(nodep->rhsp()); - puts(")"); - } - virtual void visit(AstCountBits* nodep) override { - putbs("VL_COUNTBITS_"); - emitIQW(nodep->lhsp()); - puts("("); - puts(cvtToStr(nodep->lhsp()->widthMin())); - puts(", "); - if (nodep->lhsp()->isWide()) { - puts(cvtToStr(nodep->lhsp()->widthWords())); // Note argument width, not node width - // (which is always 32) - puts(", "); - } - iterateAndNextNull(nodep->lhsp()); - puts(", "); - iterateAndNextNull(nodep->rhsp()); - puts(", "); - iterateAndNextNull(nodep->thsp()); - puts(", "); - iterateAndNextNull(nodep->fhsp()); - puts(")"); - } - virtual void visit(AstInitItem* nodep) override { iterateChildren(nodep); } - // Terminals - virtual void visit(AstVarRef* nodep) override { - puts(nodep->hiernameProtect()); - puts(nodep->varp()->nameProtect()); - } - void emitCvtPackStr(AstNode* nodep) { - if (const AstConst* constp = VN_CAST(nodep, Const)) { - putbs("std::string("); - putsQuoted(constp->num().toString()); - puts(")"); - } else { - putbs("VL_CVT_PACK_STR_N"); - emitIQW(nodep); - puts("("); - if (nodep->isWide()) { - // Note argument width, not node width (which is always 32) - puts(cvtToStr(nodep->widthWords())); - puts(", "); - } - iterateAndNextNull(nodep); - puts(")"); - } - } - void emitCvtWideArray(AstNode* nodep, AstNode* fromp) { - putbs("VL_CVT_W_A("); - iterate(nodep); - puts(", "); - iterate(fromp); - putbs(".atDefault()"); // Not accessed; only to get the proper type of values - puts(")"); - } - void emitConstant(AstConst* nodep, AstVarRef* assigntop, const string& assignString) { - // Put out constant set to the specified variable, or given variable in a string - if (nodep->num().isFourState()) { - nodep->v3warn(E_UNSUPPORTED, "Unsupported: 4-state numbers in this context"); - } else if (nodep->num().isString()) { - putbs("std::string("); - putsQuoted(nodep->num().toString()); - puts(")"); - } else if (nodep->isWide()) { - int upWidth = nodep->num().widthMin(); - int chunks = 0; - if (upWidth > EMITC_NUM_CONSTW * VL_EDATASIZE) { - // Output e.g. 8 words in groups of e.g. 8 - chunks = (upWidth - 1) / (EMITC_NUM_CONSTW * VL_EDATASIZE); - upWidth %= (EMITC_NUM_CONSTW * VL_EDATASIZE); - if (upWidth == 0) upWidth = (EMITC_NUM_CONSTW * VL_EDATASIZE); - } - { // Upper e.g. 8 words - if (chunks) { - putbs("VL_CONSTHI_W_"); - puts(cvtToStr(VL_WORDS_I(upWidth))); - puts("X("); - puts(cvtToStr(nodep->widthMin())); - puts(","); - puts(cvtToStr(chunks * EMITC_NUM_CONSTW * VL_EDATASIZE)); - } else { - putbs("VL_CONST_W_"); - puts(cvtToStr(VL_WORDS_I(upWidth))); - puts("X("); - puts(cvtToStr(nodep->widthMin())); - } - puts(","); - if (!assigntop) { - puts(assignString); - } else if (VN_IS(assigntop, VarRef)) { - puts(assigntop->hiernameProtect()); - puts(assigntop->varp()->nameProtect()); - } else { - iterateAndNextNull(assigntop); - } - for (int word = VL_WORDS_I(upWidth) - 1; word >= 0; word--) { - // Only 32 bits - llx + long long here just to appease CPP format warning - ofp()->printf(",0x%08" VL_PRI64 "x", - static_cast( - nodep->num().edataWord(word + chunks * EMITC_NUM_CONSTW))); - } - puts(")"); - } - for (chunks--; chunks >= 0; chunks--) { - puts(";\n"); - putbs("VL_CONSTLO_W_"); - puts(cvtToStr(EMITC_NUM_CONSTW)); - puts("X("); - puts(cvtToStr(chunks * EMITC_NUM_CONSTW * VL_EDATASIZE)); - puts(","); - if (!assigntop) { - puts(assignString); - } else if (VN_IS(assigntop, VarRef)) { - puts(assigntop->hiernameProtect()); - puts(assigntop->varp()->nameProtect()); - } else { - iterateAndNextNull(assigntop); - } - for (int word = EMITC_NUM_CONSTW - 1; word >= 0; word--) { - // Only 32 bits - llx + long long here just to appease CPP format warning - ofp()->printf(",0x%08" VL_PRI64 "x", - static_cast( - nodep->num().edataWord(word + chunks * EMITC_NUM_CONSTW))); - } - puts(")"); - } - } else if (nodep->isDouble()) { - if (int(nodep->num().toDouble()) == nodep->num().toDouble() - && nodep->num().toDouble() < 1000 && nodep->num().toDouble() > -1000) { - ofp()->printf("%3.1f", nodep->num().toDouble()); // Force decimal point - } else { - // Not %g as will not always put in decimal point, so not obvious to compiler - // is a real number - ofp()->printf("%.17e", nodep->num().toDouble()); - } - } else if (nodep->isQuad()) { - vluint64_t num = nodep->toUQuad(); - if (num < 10) { - ofp()->printf("%" VL_PRI64 "uULL", num); - } else { - ofp()->printf("0x%" VL_PRI64 "xULL", num); - } - } else { - uint32_t num = nodep->toUInt(); - // Only 32 bits - llx + long long here just to appease CPP format warning - if (num < 10) { - puts(cvtToStr(num)); - } else { - ofp()->printf("0x%" VL_PRI64 "x", static_cast(num)); - } - // If signed, we'll do our own functions - // But must be here, or <= comparisons etc may end up signed - puts("U"); - } - } - void emitSetVarConstant(const string& assignString, AstConst* constp) { - if (!constp->isWide()) { - puts(assignString); - puts(" = "); - } - emitConstant(constp, nullptr, assignString); - puts(";\n"); - } - virtual void visit(AstConst* nodep) override { - if (nodep->isWide()) { - UASSERT_OBJ(m_wideTempRefp, nodep, "Wide Constant w/ no temp"); - emitConstant(nodep, m_wideTempRefp, ""); - m_wideTempRefp = nullptr; // We used it, barf if set it a second time - } else { - emitConstant(nodep, nullptr, ""); - } - } - - // Just iterate - virtual void visit(AstNetlist* nodep) override { iterateChildren(nodep); } - virtual void visit(AstTopScope* nodep) override { iterateChildren(nodep); } - virtual void visit(AstScope* nodep) override { iterateChildren(nodep); } - // NOPs - virtual void visit(AstTypedef*) override {} - virtual void visit(AstPragma*) override {} - virtual void visit(AstCell*) override {} // Handled outside the Visit class - virtual void visit(AstVar*) override {} // Handled outside the Visit class - virtual void visit(AstNodeText*) override {} // Handled outside the Visit class - virtual void visit(AstTraceDecl*) override {} // Handled outside the Visit class - virtual void visit(AstTraceInc*) override {} // Handled outside the Visit class - virtual void visit(AstCFile*) override {} // Handled outside the Visit class - virtual void visit(AstCellInline*) override {} // Handled outside visit (in EmitCSyms) - virtual void visit(AstCUse*) override {} // Handled outside the Visit class - // Default - virtual void visit(AstNode* nodep) override { - puts(string("\n???? // ") + nodep->prettyTypeName() + "\n"); - iterateChildren(nodep); - if (!v3Global.opt.lintOnly()) { // An internal problem, so suppress - nodep->v3fatalSrc("Unknown node type reached emitter: " << nodep->prettyTypeName()); - } - } - - EmitCStmts() { - m_suppressSemi = false; - m_wideTempRefp = nullptr; - m_labelNum = 0; - m_splitSize = 0; - m_splitFilenum = 0; - } - EmitCStmts(AstNode* nodep, V3OutCFile* ofp, bool trackText = false) - : EmitCStmts{} { - m_ofp = ofp; - m_trackText = trackText; - iterate(nodep); - } - virtual ~EmitCStmts() override = default; -}; - -//###################################################################### -// Establish mtask variable sort order in mtasks mode - -class EmitVarTspSorter final : public V3TSP::TspStateBase { -private: - // MEMBERS - const MTaskIdSet& m_mtaskIds; // Mtask we're ordering - static unsigned s_serialNext; // Unique ID to establish serial order - unsigned m_serial; // Serial ordering -public: - // CONSTRUCTORS - explicit EmitVarTspSorter(const MTaskIdSet& mtaskIds) - : m_mtaskIds(mtaskIds) { // Cannot be {} or GCC 4.8 false warning - m_serial = ++s_serialNext; // Cannot be ()/{} or GCC 4.8 false warning - } - virtual ~EmitVarTspSorter() = default; - // METHODS - virtual bool operator<(const TspStateBase& other) const override { - return operator<(dynamic_cast(other)); - } - bool operator<(const EmitVarTspSorter& other) const { return m_serial < other.m_serial; } - const MTaskIdSet& mtaskIds() const { return m_mtaskIds; } - virtual int cost(const TspStateBase* otherp) const override { - return cost(dynamic_cast(otherp)); - } - virtual int cost(const EmitVarTspSorter* otherp) const { - int cost = diffs(m_mtaskIds, otherp->m_mtaskIds); - cost += diffs(otherp->m_mtaskIds, m_mtaskIds); - return cost; - } - // Returns the number of elements in set_a that don't appear in set_b - static int diffs(const MTaskIdSet& set_a, const MTaskIdSet& set_b) { - int diffs = 0; - for (int i : set_a) { - if (set_b.find(i) == set_b.end()) ++diffs; - } - return diffs; - } -}; - -unsigned EmitVarTspSorter::s_serialNext = 0; - -//###################################################################### -// Internal EmitC implementation - -class EmitCImp final : EmitCStmts { - // MEMBERS - AstNodeModule* m_modp = nullptr; - AstNodeModule* m_fileModp = nullptr; // Files (names, headers) constructed using this module - std::vector m_blkChangeDetVec; // All encountered changes in block - bool m_slow = false; // Creating __Slow file - bool m_fast = false; // Creating non __Slow file (or both) - - //--------------------------------------- - // METHODS - - void doubleOrDetect(AstChangeDet* changep, bool& gotOne) { - // cppcheck-suppress variableScope - static int s_addDoubleOr = 10; // Determined experimentally as best - if (!changep->rhsp()) { - if (!gotOne) { - gotOne = true; - } else { - puts(" | "); - } - iterateAndNextNull(changep->lhsp()); - } else { - AstNode* lhsp = changep->lhsp(); - AstNode* rhsp = changep->rhsp(); - UASSERT_OBJ(VN_IS(lhsp, VarRef) || VN_IS(lhsp, ArraySel), changep, "Not ref?"); - UASSERT_OBJ(VN_IS(rhsp, VarRef) || VN_IS(rhsp, ArraySel), changep, "Not ref?"); - for (int word = 0; - word < (changep->lhsp()->isWide() ? changep->lhsp()->widthWords() : 1); ++word) { - if (!gotOne) { - gotOne = true; - s_addDoubleOr = 10; - puts("("); - } else if (--s_addDoubleOr == 0) { - puts("|| ("); - s_addDoubleOr = 10; - } else { - puts(" | ("); - } - iterateAndNextNull(changep->lhsp()); - if (changep->lhsp()->isWide()) puts("[" + cvtToStr(word) + "]"); - if (changep->lhsp()->isDouble()) { - puts(" != "); - } else { - puts(" ^ "); - } - iterateAndNextNull(changep->rhsp()); - if (changep->lhsp()->isWide()) puts("[" + cvtToStr(word) + "]"); - puts(")"); - } - } - } - - V3OutCFile* newOutCFile(bool slow, bool source, int filenum = 0) { - string filenameNoExt = v3Global.opt.makeDir() + "/" + prefixNameProtect(m_fileModp); - if (filenum) filenameNoExt += "__" + cvtToStr(filenum); - filenameNoExt += (slow ? "__Slow" : ""); - V3OutCFile* ofp = nullptr; - if (v3Global.opt.lintOnly()) { - // Unfortunately we have some lint checks here, so we can't just skip processing. - // We should move them to a different stage. - string filename = VL_DEV_NULL; - newCFile(filename, slow, source); - ofp = new V3OutCFile(filename); - } else if (optSystemC()) { - string filename = filenameNoExt + (source ? ".cpp" : ".h"); - newCFile(filename, slow, source); - ofp = new V3OutScFile(filename); - } else { - string filename = filenameNoExt + (source ? ".cpp" : ".h"); - newCFile(filename, slow, source); - ofp = new V3OutCFile(filename); - } - - ofp->putsHeader(); - if (m_fileModp->isTop() && !source) { - ofp->puts("// DESCR" - "IPTION: Verilator output: Primary design header\n"); - ofp->puts("//\n"); - ofp->puts("// This header should be included by all source files instantiating the " - "design.\n"); - ofp->puts("// The class here is then constructed to instantiate the design.\n"); - ofp->puts("// See the Verilator manual for examples.\n"); - } else { - if (source) { - ofp->puts("// DESCR" - "IPTION: Verilator output: Design implementation internals\n"); - } else { - ofp->puts("// DESCR" - "IPTION: Verilator output: Design internal header\n"); - } - ofp->puts("// See " + v3Global.opt.prefix() + ".h for the primary calling header\n"); - } - return ofp; - } - - // Returns the number of cross-thread dependencies into mtaskp. - // If >0, mtaskp must test whether its prereqs are done before starting, - // and may need to block. - static uint32_t packedMTaskMayBlock(const ExecMTask* mtaskp) { - uint32_t result = 0; - for (V3GraphEdge* edgep = mtaskp->inBeginp(); edgep; edgep = edgep->inNextp()) { - const ExecMTask* prevp = dynamic_cast(edgep->fromp()); - if (prevp->thread() != mtaskp->thread()) ++result; - } - return result; - } - - void emitMTaskBody(AstMTaskBody* nodep) { - ExecMTask* curExecMTaskp = nodep->execMTaskp(); - if (packedMTaskMayBlock(curExecMTaskp)) { - puts("vlTOPp->__Vm_mt_" + cvtToStr(curExecMTaskp->id()) - + ".waitUntilUpstreamDone(even_cycle);\n"); - } - - string recName; - if (v3Global.opt.profThreads()) { - recName = "__Vprfthr_" + cvtToStr(curExecMTaskp->id()); - puts("VlProfileRec* " + recName + " = nullptr;\n"); - // Leave this if() here, as don't want to call VL_RDTSC_Q unless profiling - puts("if (VL_UNLIKELY(vlTOPp->__Vm_profile_cycle_start)) {\n"); - puts(recName + " = vlTOPp->__Vm_threadPoolp->profileAppend();\n"); - puts(recName + "->startRecord(VL_RDTSC_Q() - vlTOPp->__Vm_profile_cycle_start,"); - puts(" " + cvtToStr(curExecMTaskp->id()) + ","); - puts(" " + cvtToStr(curExecMTaskp->cost()) + ");\n"); - puts("}\n"); - } - puts("Verilated::mtaskId(" + cvtToStr(curExecMTaskp->id()) + ");\n"); - - // The actual body of calls to leaf functions - iterateAndNextNull(nodep->stmtsp()); - - if (v3Global.opt.profThreads()) { - // Leave this if() here, as don't want to call VL_RDTSC_Q unless profiling - puts("if (VL_UNLIKELY(" + recName + ")) {\n"); - puts(recName + "->endRecord(VL_RDTSC_Q() - vlTOPp->__Vm_profile_cycle_start);\n"); - puts("}\n"); - } - - // Flush message queue - puts("Verilated::endOfThreadMTask(vlSymsp->__Vm_evalMsgQp);\n"); - - // For any downstream mtask that's on another thread, bump its - // counter and maybe notify it. - for (V3GraphEdge* edgep = curExecMTaskp->outBeginp(); edgep; edgep = edgep->outNextp()) { - const ExecMTask* nextp = dynamic_cast(edgep->top()); - if (nextp->thread() != curExecMTaskp->thread()) { - puts("vlTOPp->__Vm_mt_" + cvtToStr(nextp->id()) - + ".signalUpstreamDone(even_cycle);\n"); - } - } - - // Run the next mtask inline - const ExecMTask* nextp = curExecMTaskp->packNextp(); - if (nextp) { - emitMTaskBody(nextp->bodyp()); - } else { - // Unblock the fake "final" mtask - puts("vlTOPp->__Vm_mt_final.signalUpstreamDone(even_cycle);\n"); - } - } - - virtual void visit(AstMTaskBody* nodep) override { - maybeSplit(); - splitSizeInc(10); - - const ExecMTask* const mtp = nodep->execMTaskp(); - puts("\n"); - puts("void "); - puts(prefixNameProtect(m_modp) + "::" + protect(mtp->cFuncName())); - puts("(bool even_cycle, void* symtab) {\n"); - - // Declare and set vlSymsp - puts(EmitCBaseVisitor::symClassVar() + " = (" + EmitCBaseVisitor::symClassName() - + "*)symtab;\n"); - puts(EmitCBaseVisitor::symTopAssign() + "\n"); - - emitMTaskBody(nodep); - puts("}\n"); - } - - //--------------------------------------- - // VISITORS - using EmitCStmts::visit; // Suppress hidden overloaded virtual function warning - virtual void visit(AstCFunc* nodep) override { - // TRACE_* and DPI handled elsewhere - if (nodep->funcType().isTrace()) return; - if (nodep->dpiImport()) return; - if (!(nodep->slow() ? m_slow : m_fast)) return; - - maybeSplit(); - - m_blkChangeDetVec.clear(); - - splitSizeInc(nodep); - - puts("\n"); - if (nodep->ifdef() != "") puts("#ifdef " + nodep->ifdef() + "\n"); - if (nodep->isInline()) puts("VL_INLINE_OPT "); - if (!nodep->isConstructor() && !nodep->isDestructor()) { - puts(nodep->rtnTypeVoid()); - puts(" "); - } - - if (nodep->isMethod()) puts(prefixNameProtect(m_modp) + "::"); - puts(funcNameProtect(nodep, m_modp)); - puts("(" + cFuncArgs(nodep) + ")"); - if (nodep->isConst().trueKnown()) puts(" const"); - - // TODO perhaps better to have a new AstCCtorInit so we can pass arguments - // rather than requiring a string here - if (!nodep->ctorInits().empty()) { - puts(": "); - puts(nodep->ctorInits()); - } - puts(" {\n"); - - // "+" in the debug indicates a print from the model - puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+ "); - for (int i = 0; i < m_modp->level(); ++i) { puts(" "); } - puts(prefixNameProtect(m_modp) + "::" + nodep->nameProtect() + "\\n\"); );\n"); - - // Declare and set vlTOPp - if (nodep->symProlog()) puts(EmitCBaseVisitor::symTopAssign() + "\n"); - - if (nodep->initsp()) putsDecoration("// Variables\n"); - for (AstNode* subnodep = nodep->argsp(); subnodep; subnodep = subnodep->nextp()) { - if (AstVar* varp = VN_CAST(subnodep, Var)) { - if (varp->isFuncReturn()) emitVarDecl(varp, ""); - } - } - string section; - emitVarList(nodep->initsp(), EVL_FUNC_ALL, "", section /*ref*/); - emitVarList(nodep->stmtsp(), EVL_FUNC_ALL, "", section /*ref*/); - - iterateAndNextNull(nodep->initsp()); - - if (nodep->stmtsp()) putsDecoration("// Body\n"); - iterateAndNextNull(nodep->stmtsp()); - if (!m_blkChangeDetVec.empty()) emitChangeDet(); - - if (nodep->finalsp()) putsDecoration("// Final\n"); - iterateAndNextNull(nodep->finalsp()); - // - - if (!m_blkChangeDetVec.empty()) puts("return __req;\n"); - - // puts("__Vm_activity = true;\n"); - puts("}\n"); - if (nodep->ifdef() != "") puts("#endif // " + nodep->ifdef() + "\n"); - } - - void emitChangeDet() { - putsDecoration("// Change detection\n"); - puts("QData __req = false; // Logically a bool\n"); // But not because it results in - // faster code - bool gotOne = false; - for (AstChangeDet* changep : m_blkChangeDetVec) { - if (changep->lhsp()) { - if (!gotOne) { // Not a clocked block - puts("__req |= ("); - } else { - puts("\n"); - } - doubleOrDetect(changep, gotOne); - } - } - if (gotOne) puts(");\n"); - if (gotOne && !v3Global.opt.protectIds()) { - // puts("VL_DEBUG_IF( if (__req) cout<<\"- CLOCKREQ );"); - for (AstChangeDet* nodep : m_blkChangeDetVec) { - if (nodep->lhsp()) { - puts("VL_DEBUG_IF( if(__req && ("); - bool gotOneIgnore = false; - doubleOrDetect(nodep, gotOneIgnore); - string varname; - if (VN_IS(nodep->lhsp(), VarRef)) { - varname = ": " + VN_CAST(nodep->lhsp(), VarRef)->varp()->prettyName(); - } - puts(")) VL_DBG_MSGF(\" CHANGE: "); - puts(protect(nodep->fileline()->filename())); - puts(":" + cvtToStr(nodep->fileline()->lineno())); - puts(varname + "\\n\"); );\n"); - } - } - } - } - - virtual void visit(AstConsAssoc* nodep) override { - putbs(nodep->dtypep()->cType("", false, false)); - puts("()"); - if (nodep->defaultp()) { - putbs(".setDefault("); - iterateAndNextNull(nodep->defaultp()); - puts(")"); - } - } - virtual void visit(AstSetAssoc* nodep) override { - iterateAndNextNull(nodep->lhsp()); - putbs(".set("); - iterateAndNextNull(nodep->keyp()); - puts(", "); - putbs(""); - iterateAndNextNull(nodep->valuep()); - puts(")"); - } - virtual void visit(AstConsDynArray* nodep) override { - putbs(nodep->dtypep()->cType("", false, false)); - if (!nodep->lhsp()) { - puts("()"); - } else { - puts("::cons("); - iterateAndNextNull(nodep->lhsp()); - if (nodep->rhsp()) { - puts(", "); - putbs(""); - } - iterateAndNextNull(nodep->rhsp()); - puts(")"); - } - } - virtual void visit(AstConsQueue* nodep) override { - putbs(nodep->dtypep()->cType("", false, false)); - if (!nodep->lhsp()) { - puts("()"); - } else { - puts("::cons("); - iterateAndNextNull(nodep->lhsp()); - if (nodep->rhsp()) { - puts(", "); - putbs(""); - } - iterateAndNextNull(nodep->rhsp()); - puts(")"); - } - } - - virtual void visit(AstChangeDet* nodep) override { // - m_blkChangeDetVec.push_back(nodep); - } - - virtual void visit(AstCReset* nodep) override { - AstVar* varp = nodep->varrefp()->varp(); - emitVarReset(varp); - } - - virtual void visit(AstExecGraph* nodep) override { - UASSERT_OBJ(nodep == v3Global.rootp()->execGraphp(), nodep, - "ExecGraph should be a singleton!"); - // The location of the AstExecGraph within the containing _eval() - // function is where we want to invoke the graph and wait for it to - // complete. Do that now. - // - // Don't recurse to children -- this isn't the place to emit - // function definitions for the nested CFuncs. We'll do that at the - // end. - puts("vlTOPp->__Vm_even_cycle = !vlTOPp->__Vm_even_cycle;\n"); - - // Build the list of initial mtasks to start - std::vector execMTasks; - - // Start each root mtask - for (const V3GraphVertex* vxp = nodep->depGraphp()->verticesBeginp(); vxp; - vxp = vxp->verticesNextp()) { - const ExecMTask* etp = dynamic_cast(vxp); - if (etp->threadRoot()) execMTasks.push_back(etp); - } - UASSERT_OBJ(execMTasks.size() <= static_cast(v3Global.opt.threads()), nodep, - "More root mtasks than available threads"); - - if (!execMTasks.empty()) { - for (uint32_t i = 0; i < execMTasks.size(); ++i) { - bool runInline = (i == execMTasks.size() - 1); - if (runInline) { - // The thread calling eval() will run this mtask inline, - // along with its packed successors. - puts(protect(execMTasks[i]->cFuncName()) - + "(vlTOPp->__Vm_even_cycle, vlSymsp);\n"); - puts("Verilated::mtaskId(0);\n"); - } else { - // The other N-1 go to the thread pool. - puts("vlTOPp->__Vm_threadPoolp->workerp(" + cvtToStr(i) + ")->addTask(" - + protect(execMTasks[i]->cFuncName()) - + ", vlTOPp->__Vm_even_cycle, vlSymsp);\n"); - } - } - puts("vlTOPp->__Vm_mt_final.waitUntilUpstreamDone(vlTOPp->__Vm_even_cycle);\n"); - } - } - - //--------------------------------------- - // ACCESSORS - - // METHODS - // Low level - void emitModCUse(AstNodeModule* modp, VUseType useType) { - string nl; - for (AstNode* itemp = modp->stmtsp(); itemp; itemp = itemp->nextp()) { - if (AstCUse* usep = VN_CAST(itemp, CUse)) { - if (usep->useType() == useType) { - if (usep->useType().isInclude()) { - puts("#include \"" + prefixNameProtect(usep) + ".h\"\n"); - } - if (usep->useType().isFwdClass()) { - puts("class " + prefixNameProtect(usep) + ";\n"); - } - nl = "\n"; - } - } - } - puts(nl); - } - - void emitVarReset(AstVar* varp) { - AstNodeDType* const dtypep = varp->dtypep()->skipRefp(); - const string varNameProtected - = VN_IS(m_modp, Class) ? varp->nameProtect() : "self->" + varp->nameProtect(); - if (varp->isIO() && m_modp->isTop() && optSystemC()) { - // System C top I/O doesn't need loading, as the lower level subinst code does it.} - } else if (varp->isParam()) { - UASSERT_OBJ(varp->valuep(), varp, "No init for a param?"); - // If a simple CONST value we initialize it using an enum - // If an ARRAYINIT we initialize it using an initial block similar to a signal - // puts("// parameter "+varp->nameProtect()+" = "+varp->valuep()->name()+"\n"); - } else if (AstInitArray* initarp = VN_CAST(varp->valuep(), InitArray)) { - if (AstUnpackArrayDType* adtypep = VN_CAST(dtypep, UnpackArrayDType)) { - if (initarp->defaultp()) { - puts("for (int __Vi=0; __Vi<" + cvtToStr(adtypep->elementsConst())); - puts("; ++__Vi) {\n"); - emitSetVarConstant(varNameProtected + "[__Vi]", - VN_CAST(initarp->defaultp(), Const)); - puts("}\n"); - } - const AstInitArray::KeyItemMap& mapr = initarp->map(); - for (const auto& itr : mapr) { - AstNode* valuep = itr.second->valuep(); - emitSetVarConstant(varNameProtected + "[" + cvtToStr(itr.first) + "]", - VN_CAST(valuep, Const)); - } - } else { - varp->v3fatalSrc("InitArray under non-arrayed var"); - } - } else { - puts(emitVarResetRecurse(varp, varNameProtected, dtypep, 0, "")); - } - } - string emitVarResetRecurse(const AstVar* varp, const string& varNameProtected, - AstNodeDType* dtypep, int depth, const string& suffix) { - dtypep = dtypep->skipRefp(); - AstBasicDType* basicp = dtypep->basicp(); - // Returns string to do resetting, empty to do nothing (which caller should handle) - if (AstAssocArrayDType* adtypep = VN_CAST(dtypep, AssocArrayDType)) { - // Access std::array as C array - string cvtarray = (adtypep->subDTypep()->isWide() ? ".data()" : ""); - return emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), depth + 1, - suffix + ".atDefault()" + cvtarray); - } else if (VN_IS(dtypep, ClassRefDType)) { - return ""; // Constructor does it - } else if (AstDynArrayDType* adtypep = VN_CAST(dtypep, DynArrayDType)) { - // Access std::array as C array - string cvtarray = (adtypep->subDTypep()->isWide() ? ".data()" : ""); - return emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), depth + 1, - suffix + ".atDefault()" + cvtarray); - } else if (AstQueueDType* adtypep = VN_CAST(dtypep, QueueDType)) { - // Access std::array as C array - string cvtarray = (adtypep->subDTypep()->isWide() ? ".data()" : ""); - return emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), depth + 1, - suffix + ".atDefault()" + cvtarray); - } else if (AstUnpackArrayDType* adtypep = VN_CAST(dtypep, UnpackArrayDType)) { - UASSERT_OBJ(adtypep->hi() >= adtypep->lo(), varp, - "Should have swapped msb & lsb earlier."); - string ivar = string("__Vi") + cvtToStr(depth); - string pre = ("for (int " + ivar + "=" + cvtToStr(0) + "; " + ivar + "<" - + cvtToStr(adtypep->elementsConst()) + "; ++" + ivar + ") {\n"); - string below = emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), - depth + 1, suffix + "[" + ivar + "]"); - string post = "}\n"; - return below.empty() ? "" : pre + below + post; - } else if (basicp && basicp->keyword() == AstBasicDTypeKwd::STRING) { - // String's constructor deals with it - return ""; - } else if (basicp) { - bool zeroit - = (varp->attrFileDescr() // Zero so we don't core dump if never $fopen - || (basicp && basicp->isZeroInit()) - || (v3Global.opt.underlineZero() && !varp->name().empty() - && varp->name()[0] == '_') - || (v3Global.opt.xInitial() == "fast" || v3Global.opt.xInitial() == "0")); - splitSizeInc(1); - if (dtypep->isWide()) { // Handle unpacked; not basicp->isWide - string out; - if (varp->valuep()) { - AstConst* const constp = VN_CAST(varp->valuep(), Const); - if (!constp) varp->v3fatalSrc("non-const initializer for variable"); - for (int w = 0; w < varp->widthWords(); ++w) { - out += varNameProtected + suffix + "[" + cvtToStr(w) + "] = "; - out += cvtToStr(constp->num().edataWord(w)) + "U;\n"; - } - } else { - out += zeroit ? "VL_ZERO_RESET_W(" : "VL_RAND_RESET_W("; - out += cvtToStr(dtypep->widthMin()); - out += ", " + varNameProtected + suffix + ");\n"; - } - return out; - } else { - string out = varNameProtected + suffix; - // If --x-initial-edge is set, we want to force an initial - // edge on uninitialized clocks (from 'X' to whatever the - // first value is). Since the class is instantiated before - // initial blocks are evaluated, this should not clash - // with any initial block settings. - if (zeroit || (v3Global.opt.xInitialEdge() && varp->isUsedClock())) { - out += " = 0;\n"; - } else { - out += " = VL_RAND_RESET_"; - out += dtypep->charIQWN(); - out += "(" + cvtToStr(dtypep->widthMin()) + ");\n"; - } - return out; - } - } else { - v3fatalSrc("Unknown node type in reset generator: " << varp->prettyTypeName()); - } - return ""; - } - - void emitCellCtors(AstNodeModule* modp); - void emitSensitives(); // Medium level void emitCtorImp(AstNodeModule* modp); void emitConfigureImp(AstNodeModule* modp); @@ -1878,537 +219,24 @@ class EmitCImp final : EmitCStmts { // High level void emitImpTop(); void emitImp(AstNodeModule* modp); - void emitSettleLoop(const std::string& eval_call, bool initial); - void emitWrapEval(AstNodeModule* modp); - void emitWrapFast(AstNodeModule* modp); - void emitMTaskState(); - void emitMTaskVertexCtors(bool* firstp); - void emitIntTop(AstNodeModule* modp); + void emitIntTop(const AstNodeModule* modp); void emitInt(AstNodeModule* modp); void maybeSplit(); public: - EmitCImp() = default; + EmitCImp() {} virtual ~EmitCImp() override = default; void mainImp(AstNodeModule* modp, bool slow); void mainInt(AstNodeModule* modp); void mainDoFunc(AstCFunc* nodep) { iterate(nodep); } }; -//###################################################################### -// Internal EmitCStmts - -void EmitCStmts::emitVarDecl(const AstVar* nodep, const string& prefixIfImp) { - AstBasicDType* basicp = nodep->basicp(); - if (nodep->isIO() && nodep->isSc()) { - UASSERT_OBJ(basicp, nodep, "Unimplemented: Outputting this data type"); - m_ctorVarsVec.push_back(nodep); - if (nodep->attrScClocked() && nodep->isReadOnly()) { - puts("sc_in_clk "); - } else { - if (nodep->isInoutish()) { - puts("sc_inout<"); - } else if (nodep->isWritable()) { - puts("sc_out<"); - } else if (nodep->isNonOutput()) { - puts("sc_in<"); - } else { - nodep->v3fatalSrc("Unknown type"); - } - puts(nodep->scType()); - puts("> "); - } - puts(nodep->nameProtect()); - emitDeclArrayBrackets(nodep); - puts(";\n"); - } else if (nodep->isIO() && basicp && !basicp->isOpaque()) { - if (nodep->isInoutish()) { - puts("VL_INOUT"); - } else if (nodep->isWritable()) { - puts("VL_OUT"); - } else if (nodep->isNonOutput()) { - puts("VL_IN"); - } else { - nodep->v3fatalSrc("Unknown type"); - } - - if (nodep->isQuad()) { - puts("64"); - } else if (nodep->widthMin() <= 8) { - puts("8"); - } else if (nodep->widthMin() <= 16) { - puts("16"); - } else if (nodep->isWide()) { - puts("W"); - } - - puts("(" + nodep->nameProtect()); - emitDeclArrayBrackets(nodep); - // If it's a packed struct/array then nodep->width is the whole - // thing, msb/lsb is just lowest dimension - puts("," + cvtToStr(basicp->lo() + nodep->width() - 1) + "," + cvtToStr(basicp->lo())); - if (nodep->isWide()) puts("," + cvtToStr(nodep->widthWords())); - puts(");\n"); - } else { - // strings and other fundamental c types - if (nodep->isFuncLocal() && nodep->isString()) { - const string name = nodep->name(); - const string suffix = V3Task::dpiTemporaryVarSuffix(); - // string temporary variable for DPI-C needs to be static because c_str() will be - // passed to C code and the lifetime of the variable must be long enough. See also - // Issue 2622. - const bool beStatic = name.size() >= suffix.size() - && name.substr(name.size() - suffix.size()) == suffix; - if (beStatic) puts("static VL_THREAD_LOCAL "); - } - puts(nodep->vlArgType(true, false, false, prefixIfImp)); - puts(";\n"); - } -} - -void EmitCStmts::emitCtorSep(bool* firstp) { - if (*firstp) { - puts(" : "); - *firstp = false; - } else { - puts(", "); - } - if (ofp()->exceededWidth()) puts("\n "); -} - -void EmitCStmts::emitVarCtors(bool* firstp) { - if (!m_ctorVarsVec.empty()) { - ofp()->indentInc(); - puts("\n"); - for (const AstVar* varp : m_ctorVarsVec) { - bool isArray = !VN_CAST(varp->dtypeSkipRefp(), BasicDType); - if (isArray) { - puts("// Skipping array: "); - puts(varp->nameProtect()); - puts("\n"); - } else { - emitCtorSep(firstp); - puts(varp->nameProtect()); - puts("("); - putsQuoted(varp->nameProtect()); - puts(")"); - } - } - puts("\n"); - ofp()->indentDec(); - } -} - -bool EmitCStmts::emitSimpleOk(AstNodeMath* nodep) { - // Can we put out a simple (A + B) instead of VL_ADD_III(A,B)? - if (nodep->emitSimpleOperator() == "") return false; - if (nodep->isWide()) return false; - if (nodep->op1p()) { - if (nodep->op1p()->isWide()) return false; - } - if (nodep->op2p()) { - if (nodep->op2p()->isWide()) return false; - } - if (nodep->op3p()) { - if (nodep->op3p()->isWide()) return false; - } - return true; -} - -void EmitCStmts::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp, AstNode* rhsp, - AstNode* thsp) { - // Look at emitOperator() format for term/uni/dual/triops, - // and write out appropriate text. - // %n* node - // %nq emitIQW on the [node] - // %nw width in bits - // %nW width in words - // %ni iterate - // %l* lhsp - if appropriate, then second char as above - // %r* rhsp - if appropriate, then second char as above - // %t* thsp - if appropriate, then second char as above - // %k Potential line break - // %P Wide temporary name - // , Commas suppressed if the previous field is suppressed - string nextComma; - bool needComma = false; -#define COMMA \ - do { \ - if (!nextComma.empty()) { \ - puts(nextComma); \ - nextComma = ""; \ - } \ - } while (false) - - putbs(""); - for (string::const_iterator pos = format.begin(); pos != format.end(); ++pos) { - if (pos[0] == ',') { - // Remember we need to add one, but don't do yet to avoid ",)" - if (needComma) { - if (pos[1] == ' ') { - nextComma = ", "; - } else - nextComma = ","; - needComma = false; - } - if (pos[1] == ' ') ++pos; // Must do even if no nextComma - } else if (pos[0] == '%') { - ++pos; - bool detail = false; - AstNode* detailp = nullptr; - switch (pos[0]) { - case '%': puts("%"); break; - case 'k': putbs(""); break; - case 'n': - detail = true; - detailp = nodep; - break; - case 'l': - detail = true; - detailp = lhsp; - break; - case 'r': - detail = true; - detailp = rhsp; - break; - case 't': - detail = true; - detailp = thsp; - break; - case 'P': - if (nodep->isWide()) { - UASSERT_OBJ(m_wideTempRefp, nodep, - "Wide Op w/ no temp, perhaps missing op in V3EmitC?"); - COMMA; - puts(m_wideTempRefp->hiernameProtect()); - puts(m_wideTempRefp->varp()->nameProtect()); - m_wideTempRefp = nullptr; - needComma = true; - } - break; - default: nodep->v3fatalSrc("Unknown emitOperator format code: %" << pos[0]); break; - } - if (detail) { - // Get next letter of %[nlrt] - ++pos; - switch (pos[0]) { - case 'q': emitIQW(detailp); break; - case 'w': - COMMA; - puts(cvtToStr(detailp->widthMin())); - needComma = true; - break; - case 'W': - if (lhsp->isWide()) { - COMMA; - puts(cvtToStr(lhsp->widthWords())); - needComma = true; - } - break; - case 'i': - COMMA; - UASSERT_OBJ(detailp, nodep, "emitOperator() references undef node"); - iterateAndNextNull(detailp); - needComma = true; - break; - default: - nodep->v3fatalSrc("Unknown emitOperator format code: %[nlrt]" << pos[0]); - break; - } - } - } else if (pos[0] == ')') { - nextComma = ""; - puts(")"); - } else if (pos[0] == '(') { - COMMA; - needComma = false; - puts("("); - } else { - // Normal text - if (isalnum(pos[0])) needComma = true; - COMMA; - string s; - s += pos[0]; - puts(s); - } - } -} - -//---------------------------------------------------------------------- -// Mid level - VISITS - -// We only do one display at once, so can just use static state - -struct EmitDispState { - string m_format; // "%s" and text from user - std::vector m_argsChar; // Format of each argument to be printed - std::vector m_argsp; // Each argument to be printed - std::vector m_argsFunc; // Function before each argument to be printed - EmitDispState() { clear(); } - void clear() { - m_format = ""; - m_argsChar.clear(); - m_argsp.clear(); - m_argsFunc.clear(); - } - void pushFormat(const string& fmt) { m_format += fmt; } - void pushFormat(char fmt) { m_format += fmt; } - void pushArg(char fmtChar, AstNode* nodep, const string& func) { - m_argsChar.push_back(fmtChar); - m_argsp.push_back(nodep); - m_argsFunc.push_back(func); - } -} emitDispState; - -void EmitCStmts::displayEmit(AstNode* nodep, bool isScan) { - if (emitDispState.m_format == "" - && VN_IS(nodep, Display)) { // not fscanf etc, as they need to return value - // NOP - } else { - // Format - bool isStmt = false; - if (const AstFScanF* dispp = VN_CAST(nodep, FScanF)) { - isStmt = false; - puts("VL_FSCANF_IX("); - iterate(dispp->filep()); - puts(","); - } else if (const AstSScanF* dispp = VN_CAST(nodep, SScanF)) { - isStmt = false; - checkMaxWords(dispp->fromp()); - puts("VL_SSCANF_I"); - emitIQW(dispp->fromp()); - puts("X("); - puts(cvtToStr(dispp->fromp()->widthMin())); - puts(","); - iterate(dispp->fromp()); - puts(","); - } else if (const AstDisplay* dispp = VN_CAST(nodep, Display)) { - isStmt = true; - if (dispp->filep()) { - puts("VL_FWRITEF("); - iterate(dispp->filep()); - puts(","); - } else { - puts("VL_WRITEF("); - } - } else if (const AstSFormat* dispp = VN_CAST(nodep, SFormat)) { - isStmt = true; - puts("VL_SFORMAT_X("); - puts(cvtToStr(dispp->lhsp()->widthMin())); - putbs(","); - iterate(dispp->lhsp()); - putbs(","); - } else if (VN_IS(nodep, SFormatF)) { - isStmt = false; - puts("VL_SFORMATF_NX("); - } else { - nodep->v3fatalSrc("Unknown displayEmit node type"); - } - ofp()->putsQuoted(emitDispState.m_format); - // Arguments - for (unsigned i = 0; i < emitDispState.m_argsp.size(); i++) { - char fmt = emitDispState.m_argsChar[i]; - AstNode* argp = emitDispState.m_argsp[i]; - string func = emitDispState.m_argsFunc[i]; - if (func != "" || argp) { - puts(","); - ofp()->indentInc(); - ofp()->putbs(""); - if (func != "") { - puts(func); - } else if (argp) { - bool addrof = isScan || (fmt == '@'); - if (addrof) puts("&("); - iterate(argp); - if (!addrof) emitDatap(argp); - if (addrof) puts(")"); - } - ofp()->indentDec(); - } - } - // End - puts(")"); - if (isStmt) { - puts(";\n"); - } else { - puts(" "); - } - // Prep for next - emitDispState.clear(); - } -} - -void EmitCStmts::displayArg(AstNode* dispp, AstNode** elistp, bool isScan, const string& vfmt, - bool ignore, char fmtLetter) { - // Print display argument, edits elistp - AstNode* argp = nullptr; - if (!ignore) { - argp = *elistp; - // Prep for next parameter - *elistp = (*elistp)->nextp(); - if (VL_UNCOVERABLE(!argp)) { - // expectDisplay() checks this first, so internal error if found here - dispp->v3error( - "Internal: Missing arguments for $display-like format"); // LCOV_EXCL_LINE - return; // LCOV_EXCL_LINE - } - if (argp->widthMin() > VL_VALUE_STRING_MAX_WIDTH) { - dispp->v3error("Exceeded limit of " + cvtToStr(VL_VALUE_STRING_MAX_WIDTH) - + " bits for any $display-like arguments"); - } - if (argp->widthMin() > 8 && fmtLetter == 'c') { - // Technically legal, but surely not what the user intended. - argp->v3warn(WIDTH, dispp->verilogKwd() << "of %c format of > 8 bit value"); - } - } - // string pfmt = "%"+displayFormat(argp, vfmt, fmtLetter)+fmtLetter; - string pfmt; - if ((fmtLetter == '#' || fmtLetter == 'd') && !isScan - && vfmt == "") { // Size decimal output. Spec says leading spaces, not zeros - const double mantissabits = ignore ? 0 : (argp->widthMin() - ((fmtLetter == 'd') ? 1 : 0)); - // This is log10(2**mantissabits) as log2(2**mantissabits)/log2(10), - // + 1.0 rounding bias. - double dchars = mantissabits / 3.321928094887362 + 1.0; - if (fmtLetter == 'd') dchars++; // space for sign - int nchars = int(dchars); - pfmt = string("%") + cvtToStr(nchars) + fmtLetter; - } else { - pfmt = string("%") + vfmt + fmtLetter; - } - emitDispState.pushFormat(pfmt); - if (!ignore) { - if (argp->dtypep()->basicp()->keyword() == AstBasicDTypeKwd::STRING) { - // string in SystemVerilog is std::string in C++ which is not POD - emitDispState.pushArg(' ', nullptr, "-1"); - } else { - emitDispState.pushArg(' ', nullptr, cvtToStr(argp->widthMin())); - } - emitDispState.pushArg(fmtLetter, argp, ""); - if (fmtLetter == 't' || fmtLetter == '^') { - AstSFormatF* fmtp = nullptr; - if (AstDisplay* nodep = VN_CAST(dispp, Display)) - fmtp = nodep->fmtp(); - else if (AstSFormat* nodep = VN_CAST(dispp, SFormat)) - fmtp = nodep->fmtp(); - else - fmtp = VN_CAST(dispp, SFormatF); - UASSERT_OBJ(fmtp, dispp, - "Use of %t must be under AstDisplay, AstSFormat, or AstSFormatF"); - UASSERT_OBJ(!fmtp->timeunit().isNone(), fmtp, "timenunit must be set"); - emitDispState.pushArg(' ', nullptr, cvtToStr((int)fmtp->timeunit().powerOfTen())); - } - } else { - emitDispState.pushArg(fmtLetter, nullptr, ""); - } -} - -void EmitCStmts::displayNode(AstNode* nodep, AstScopeName* scopenamep, const string& vformat, - AstNode* exprsp, bool isScan) { - AstNode* elistp = exprsp; - - // Convert Verilog display to C printf formats - // "%0t" becomes "%d" - emitDispState.clear(); - string vfmt; - string::const_iterator pos = vformat.begin(); - bool inPct = false; - bool ignore = false; - for (; pos != vformat.end(); ++pos) { - // UINFO(1, "Parse '" << *pos << "' IP" << inPct << " List " << cvtToHex(elistp) << endl); - if (!inPct && pos[0] == '%') { - inPct = true; - ignore = false; - vfmt = ""; - } else if (!inPct) { // Normal text - emitDispState.pushFormat(*pos); - } else { // Format character - inPct = false; - switch (tolower(pos[0])) { - case '0': // FALLTHRU - case '1': // FALLTHRU - case '2': // FALLTHRU - case '3': // FALLTHRU - case '4': // FALLTHRU - case '5': // FALLTHRU - case '6': // FALLTHRU - case '7': // FALLTHRU - case '8': // FALLTHRU - case '9': // FALLTHRU - case '.': // FALLTHRU - case '-': - // Digits, like %5d, etc. - vfmt += pos[0]; - inPct = true; // Get more digits - break; - case '%': - emitDispState.pushFormat("%%"); // We're printf'ing it, so need to quote the % - break; - case '*': - vfmt += pos[0]; - inPct = true; // Get more digits - ignore = true; - break; - // Special codes - case '~': - displayArg(nodep, &elistp, isScan, vfmt, ignore, 'd'); - break; // Signed decimal - case '@': - displayArg(nodep, &elistp, isScan, vfmt, ignore, '@'); - break; // Packed string - // Spec: h d o b c l - case 'b': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'b'); break; - case 'c': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'c'); break; - case 't': displayArg(nodep, &elistp, isScan, vfmt, ignore, 't'); break; - case 'd': - displayArg(nodep, &elistp, isScan, vfmt, ignore, '#'); - break; // Unsigned decimal - case 'o': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'o'); break; - case 'h': // FALLTHRU - case 'x': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'x'); break; - case 's': displayArg(nodep, &elistp, isScan, vfmt, ignore, 's'); break; - case 'e': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'e'); break; - case 'f': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'f'); break; - case 'g': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'g'); break; - case '^': displayArg(nodep, &elistp, isScan, vfmt, ignore, '^'); break; // Realtime - case 'v': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'v'); break; - case 'u': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'u'); break; - case 'z': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'z'); break; - case 'm': { - UASSERT_OBJ(scopenamep, nodep, "Display with %m but no AstScopeName"); - string suffix = scopenamep->scopePrettySymName(); - if (suffix == "") { - emitDispState.pushFormat("%S"); - } else { - emitDispState.pushFormat("%N"); // Add a . when needed - } - emitDispState.pushArg(' ', nullptr, "vlSymsp->name()"); - emitDispState.pushFormat(suffix); - break; - } - case 'l': { - // Better than not compiling - emitDispState.pushFormat("----"); - break; - } - default: - nodep->v3error("Unknown $display-like format code: '%" << pos[0] << "'"); - break; - } - } - } - if (VL_UNCOVERABLE(elistp)) { - // expectFormat also checks this, and should have found it first, so internal - elistp->v3error("Internal: Extra arguments for $display-like format"); // LCOV_EXCL_LINE - } - displayEmit(nodep, isScan); -} - //###################################################################### // Internal EmitC void EmitCImp::emitCoverageDecl(AstNodeModule*) { if (v3Global.opt.coverage()) { - ofp()->putsPrivate(true); + ofp()->putsPrivate(false); // Accessed from loose methods putsDecoration("// Coverage\n"); puts("void __vlCoverInsert("); puts(v3Global.opt.threads() ? "std::atomic" : "uint32_t"); @@ -2418,124 +246,52 @@ void EmitCImp::emitCoverageDecl(AstNodeModule*) { } } -void EmitCImp::emitMTaskVertexCtors(bool* firstp) { - AstExecGraph* execGraphp = v3Global.rootp()->execGraphp(); - UASSERT_OBJ(execGraphp, v3Global.rootp(), "Root should have an execGraphp"); - const V3Graph* depGraphp = execGraphp->depGraphp(); - - unsigned finalEdgesInCt = 0; - for (const V3GraphVertex* vxp = depGraphp->verticesBeginp(); vxp; vxp = vxp->verticesNextp()) { - const ExecMTask* mtp = dynamic_cast(vxp); - unsigned edgesInCt = packedMTaskMayBlock(mtp); - if (packedMTaskMayBlock(mtp) > 0) { - emitCtorSep(firstp); - puts("__Vm_mt_" + cvtToStr(mtp->id()) + "(" + cvtToStr(edgesInCt) + ")"); - } - // Each mtask with no packed successor will become a dependency - // for the final node: - if (!mtp->packNextp()) ++finalEdgesInCt; - } - - emitCtorSep(firstp); - puts("__Vm_mt_final(" + cvtToStr(finalEdgesInCt) + ")"); - - // This will flip to 'true' before the start of the 0th cycle. - emitCtorSep(firstp); - puts("__Vm_threadPoolp(nullptr)"); - if (v3Global.opt.profThreads()) { - emitCtorSep(firstp); - puts("__Vm_profile_cycle_start(0)"); - } - emitCtorSep(firstp); - puts("__Vm_even_cycle(false)"); -} - void EmitCImp::emitCtorImp(AstNodeModule* modp) { puts("\n"); bool first = true; string section; emitParams(modp, true, &first, section /*ref*/); + const string modName = prefixNameProtect(modp); + + puts("\n"); + m_lazyDecls.emit("void " + modName + "__", protect("_ctor_var_reset"), + "(" + modName + "* vlSelf);"); + puts("\n"); + if (VN_IS(modp, Class)) { modp->v3fatalSrc("constructors should be AstCFuncs instead"); - } else if (optSystemC() && modp->isTop()) { - puts(prefixNameProtect(modp) + "::" + prefixNameProtect(modp) + "(sc_module_name)"); - } else if (modp->isTop()) { - puts(prefixNameProtect(modp) + "::" + prefixNameProtect(modp) - + "(VerilatedContext* _vcontextp__, const char* _vcname__)\n"); - puts(" : VerilatedModule{_vcname__}\n"); - first = false; // printed the first ':' } else { - puts(prefixNameProtect(modp) + "::" + prefixNameProtect(modp) - + "(const char* _vcname__)\n"); + puts(modName + "::" + modName + "(const char* _vcname__)\n"); puts(" : VerilatedModule(_vcname__)\n"); + first = false; // printed the first ':' } emitVarCtors(&first); - if (modp->isTop() && v3Global.opt.mtasks()) emitMTaskVertexCtors(&first); puts(" {\n"); - emitCellCtors(modp); - emitSensitives(); - putsDecoration("// Reset internal values\n"); - if (modp->isTop()) { - if (v3Global.opt.inhibitSim()) puts("__Vm_inhibitSim = false;\n"); - puts("\n"); - } putsDecoration("// Reset structure values\n"); - puts(protect("_ctor_var_reset") + "(this);\n"); + puts(modName + "__" + protect("_ctor_var_reset") + "(this);\n"); emitTextSection(AstType::atScCtor); - if (modp->isTop() && v3Global.opt.mtasks()) { - // TODO-- For now each top module creates its own ThreadPool here, - // and deletes it in the destructor. If A and B are each top level - // modules, each creates a separate thread pool. This allows - // A.eval() and B.eval() to run concurrently without any - // interference -- so long as the physical machine has enough cores - // to support both pools and all testbench threads. - // - // In the future, we might want to let the client provide a - // threadpool to the constructor. This would allow two or more - // models to share a single threadpool. - // - // For example: suppose models A and B are each compiled to run on - // 4 threads. The client might create a single thread pool with 3 - // threads and pass it to both models. If the client can ensure that - // A.eval() and B.eval() do NOT run concurrently, there will be no - // contention for the threads. This mode is missing for now. (Is - // there demand for such a setup?) - puts("__Vm_threadPoolp = new VlThreadPool(" - // Note we create N-1 threads in the thread pool. The thread - // that calls eval() becomes the final Nth thread for the - // duration of the eval call. - + string("vlSymsp->_vm_contextp__, ") + cvtToStr(v3Global.opt.threads() - 1) + ", " - + cvtToStr(v3Global.opt.profThreads()) + ");\n"); - - if (v3Global.opt.profThreads()) { - puts("__Vm_profile_cycle_start = 0;\n"); - puts("__Vm_profile_time_finished = 0;\n"); - puts("__Vm_profile_window_ct = 0;"); - } - } puts("}\n"); } void EmitCImp::emitConfigureImp(AstNodeModule* modp) { - puts("\nvoid " + prefixNameProtect(modp) + "::" + protect("__Vconfigure") + "(" - + symClassName() + "* vlSymsp, bool first) {\n"); - puts("if (false && first) {} // Prevent unused\n"); - puts("this->__VlSymsp = vlSymsp;\n"); // First, as later stuff needs it. - puts("if (false && this->__VlSymsp) {} // Prevent unused\n"); + const string modName = prefixNameProtect(modp); + if (v3Global.opt.coverage()) { - puts(protect("_configure_coverage") + "(this, vlSymsp, first);\n"); + puts("\n"); + m_lazyDecls.emit("void " + modName + "__", protect("_configure_coverage"), + "(" + modName + "* vlSelf, bool first);"); } - if (modp->isTop() && !v3Global.rootp()->timeunit().isNone()) { - puts("vlSymsp->_vm_contextp__->timeunit(" - + cvtToStr(v3Global.rootp()->timeunit().powerOfTen()) + ");\n"); - } - if (modp->isTop() && !v3Global.rootp()->timeprecision().isNone()) { - puts("vlSymsp->_vm_contextp__->timeprecision(" - + cvtToStr(v3Global.rootp()->timeprecision().powerOfTen()) + ");\n"); + + puts("\nvoid " + modName + "::" + protect("__Vconfigure") + "(" + symClassName() + + "* _vlSymsp, bool first) {\n"); + puts("if (false && first) {} // Prevent unused\n"); + puts("this->vlSymsp = _vlSymsp;\n"); // First, as later stuff needs it. + if (v3Global.opt.coverage()) { + puts(modName + "__" + protect("_configure_coverage") + "(this, first);\n"); } puts("}\n"); splitSizeInc(10); @@ -2562,12 +318,12 @@ void EmitCImp::emitCoverageImp(AstNodeModule*) { // Used for second++ instantiation of identical bin puts("if (!enable) count32p = &fake_zero_count;\n"); puts("*count32p = 0;\n"); - puts("VL_COVER_INSERT(__VlSymsp->_vm_contextp__->coveragep(), count32p,"); + puts("VL_COVER_INSERT(vlSymsp->_vm_contextp__->coveragep(), count32p,"); puts(" \"filename\",filenamep,"); puts(" \"lineno\",lineno,"); puts(" \"column\",column,\n"); // Need to move hier into scopes and back out if do this - // puts( "\"hier\",std::string(__VlSymsp->name())+hierp,"); + // puts( "\"hier\",std::string(vlSymsp->name())+hierp,"); puts("\"hier\",std::string(name())+hierp,"); puts(" \"page\",pagep,"); puts(" \"comment\",commentp,"); @@ -2580,19 +336,7 @@ void EmitCImp::emitCoverageImp(AstNodeModule*) { void EmitCImp::emitDestructorImp(AstNodeModule* modp) { puts("\n"); puts(prefixNameProtect(modp) + "::~" + prefixNameProtect(modp) + "() {\n"); - if (modp->isTop()) { - if (v3Global.opt.mtasks()) { - puts("VL_DO_CLEAR(delete __Vm_threadPoolp, __Vm_threadPoolp = nullptr);\n"); - } - // Call via function in __Trace.cpp as this .cpp file does not have trace header - if (v3Global.needTraceDumper()) { - puts("#ifdef VM_TRACE\n"); - puts("if (VL_UNLIKELY(__VlSymsp->__Vm_dumping)) _traceDumpClose();\n"); - puts("#endif // VM_TRACE\n"); - } - } emitTextSection(AstType::atScDtor); - if (modp->isTop()) puts("VL_DO_CLEAR(delete __VlSymsp, __VlSymsp = nullptr);\n"); puts("}\n"); splitSizeInc(10); } @@ -2601,9 +345,9 @@ void EmitCImp::emitSavableImp(AstNodeModule* modp) { if (v3Global.opt.savable()) { puts("\n// Savable\n"); for (int de = 0; de < 2; ++de) { - string classname = de ? "VerilatedDeserialize" : "VerilatedSerialize"; - string funcname = de ? "__Vdeserialize" : "__Vserialize"; - string op = de ? ">>" : "<<"; + const string classname = de ? "VerilatedDeserialize" : "VerilatedSerialize"; + const string funcname = de ? "__Vdeserialize" : "__Vserialize"; + const string op = de ? ">>" : "<<"; // NOLINTNEXTLINE(performance-inefficient-string-concatenation) puts("void " + prefixNameProtect(modp) + "::" + protect(funcname) + "(" + classname + "& os) {\n"); @@ -2629,10 +373,9 @@ void EmitCImp::emitSavableImp(AstNodeModule* modp) { // If multiple models save the same context we'll save it multiple // times, but is harmless, and doing it otherwise would break // backwards compatibility. - puts("os " + op + " __VlSymsp->_vm_contextp__;\n"); + puts("os " + op + " vlSymsp->_vm_contextp__;\n"); // Save all members - if (v3Global.opt.inhibitSim()) puts("os" + op + "__Vm_inhibitSim;\n"); for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { if (const AstVar* varp = VN_CAST(nodep, Var)) { if (varp->isIO() && modp->isTop() && optSystemC()) { @@ -2645,22 +388,24 @@ void EmitCImp::emitSavableImp(AstNodeModule* modp) { AstNodeDType* elementp = varp->dtypeSkipRefp(); for (AstUnpackArrayDType* arrayp = VN_CAST(elementp, UnpackArrayDType); arrayp; arrayp = VN_CAST(elementp, UnpackArrayDType)) { - int vecnum = vects++; + const int vecnum = vects++; UASSERT_OBJ(arrayp->hi() >= arrayp->lo(), varp, "Should have swapped msb & lsb earlier."); - string ivar = string("__Vi") + cvtToStr(vecnum); + const string ivar = string("__Vi") + cvtToStr(vecnum); puts("for (int __Vi" + cvtToStr(vecnum) + "=" + cvtToStr(0)); puts("; " + ivar + "<" + cvtToStr(arrayp->elementsConst())); puts("; ++" + ivar + ") {\n"); elementp = arrayp->subDTypep()->skipRefp(); } + const AstBasicDType* const basicp = elementp->basicp(); + // Do not save MTask state, only matters within an evaluation + if (basicp && basicp->keyword().isMTaskState()) continue; // Want to detect types that are represented as arrays // (i.e. packed types of more than 64 bits). - AstBasicDType* basicp = elementp->basicp(); if (elementp->isWide() && !(basicp && basicp->keyword() == AstBasicDTypeKwd::STRING)) { - int vecnum = vects++; - string ivar = string("__Vi") + cvtToStr(vecnum); + const int vecnum = vects++; + const string ivar = string("__Vi") + cvtToStr(vecnum); puts("for (int __Vi" + cvtToStr(vecnum) + "=" + cvtToStr(0)); puts("; " + ivar + "<" + cvtToStr(elementp->widthWords())); puts("; ++" + ivar + ") {\n"); @@ -2673,9 +418,6 @@ void EmitCImp::emitSavableImp(AstNodeModule* modp) { } } - if (modp->isTop()) { // Save the children - puts("__VlSymsp->" + protect(funcname) + "(os);\n"); - } puts("}\n"); } } @@ -2702,434 +444,16 @@ void EmitCImp::emitTextSection(AstType type) { if (last_line > 0) puts("//*** Above code from `systemc in Verilog file\n\n"); } -void EmitCImp::emitCellCtors(AstNodeModule* modp) { - if (modp->isTop()) { - // Must be before other constructors, as __vlCoverInsert calls it - // Note _vcontextp__ may be nullptr, VerilatedSyms::VerilatedSyms cleans it up - puts(EmitCBaseVisitor::symClassVar() + " = __VlSymsp = new " + symClassName() + "(" - + (optSystemC() ? "nullptr" : "_vcontextp__") + ", this, name());\n"); - puts(EmitCBaseVisitor::symTopAssign() + "\n"); - } - for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { - if (AstCell* cellp = VN_CAST(nodep, Cell)) { - puts("VL_CELL(" + cellp->nameProtect() + ", " + prefixNameProtect(cellp->modp()) - + ");\n"); - } - } -} - -void EmitCImp::emitSensitives() { - // Create sensitivity list for when to evaluate the model. - // If C++ code, the user must call this routine themself. - if (m_modp->isTop() && optSystemC()) { - putsDecoration("// Sensitivities on all clocks and combo inputs\n"); - puts("SC_METHOD(eval);\n"); - for (AstNode* nodep = m_modp->stmtsp(); nodep; nodep = nodep->nextp()) { - if (const AstVar* varp = VN_CAST(nodep, Var)) { - if (varp->isNonOutput() && (varp->isScSensitive() || varp->isUsedClock())) { - int vects = 0; - // This isn't very robust and may need cleanup for other data types - for (AstUnpackArrayDType* arrayp - = VN_CAST(varp->dtypeSkipRefp(), UnpackArrayDType); - arrayp; - arrayp = VN_CAST(arrayp->subDTypep()->skipRefp(), UnpackArrayDType)) { - int vecnum = vects++; - UASSERT_OBJ(arrayp->hi() >= arrayp->lo(), varp, - "Should have swapped msb & lsb earlier."); - string ivar = string("__Vi") + cvtToStr(vecnum); - puts("for (int __Vi" + cvtToStr(vecnum) + "=" + cvtToStr(arrayp->lo())); - puts("; " + ivar + "<=" + cvtToStr(arrayp->hi())); - puts("; ++" + ivar + ") {\n"); - } - puts("sensitive << " + varp->nameProtect()); - for (int v = 0; v < vects; ++v) puts("[__Vi" + cvtToStr(v) + "]"); - puts(";\n"); - for (int v = 0; v < vects; ++v) puts("}\n"); - } - } - } - puts("\n"); - } -} - -void EmitCImp::emitSettleLoop(const std::string& eval_call, bool initial) { - putsDecoration("// Evaluate till stable\n"); - puts("int __VclockLoop = 0;\n"); - puts("QData __Vchange = 1;\n"); - puts("do {\n"); - puts(eval_call + "\n"); - puts("if (VL_UNLIKELY(++__VclockLoop > " + cvtToStr(v3Global.opt.convergeLimit()) + ")) {\n"); - puts("// About to fail, so enable debug to see what's not settling.\n"); - puts("// Note you must run make with OPT=-DVL_DEBUG for debug prints.\n"); - puts("int __Vsaved_debug = Verilated::debug();\n"); - puts("Verilated::debug(1);\n"); - puts("__Vchange = " + protect("_change_request") + "(vlSymsp);\n"); - puts("Verilated::debug(__Vsaved_debug);\n"); - puts("VL_FATAL_MT("); - putsQuoted(protect(m_modp->fileline()->filename())); - puts(", "); - puts(cvtToStr(m_modp->fileline()->lineno())); - puts(", \"\",\n"); - puts("\"Verilated model didn't "); - if (initial) puts("DC "); - puts("converge\\n\"\n"); - puts("\"- See https://verilator.org/warn/DIDNOTCONVERGE\");\n"); - puts("} else {\n"); - puts("__Vchange = " + protect("_change_request") + "(vlSymsp);\n"); - puts("}\n"); - puts("} while (VL_UNLIKELY(__Vchange));\n"); -} - -void EmitCImp::emitWrapFast(AstNodeModule* modp) { - puts("\nVerilatedContext* " + prefixNameProtect(modp) + "::contextp() {\n"); - puts(/**/ "return __VlSymsp->_vm_contextp__;\n"); - puts("}\n"); -} - -void EmitCImp::emitWrapEval(AstNodeModule* modp) { - puts("\nvoid " + prefixNameProtect(modp) + "::eval_step() {\n"); - puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+++++TOP Evaluate " + prefixNameProtect(modp) - + "::eval\\n\"); );\n"); - puts(EmitCBaseVisitor::symClassVar() + " = this->__VlSymsp; // Setup global symbol table\n"); - puts(EmitCBaseVisitor::symTopAssign() + "\n"); - puts("#ifdef VL_DEBUG\n"); - putsDecoration("// Debug assertions\n"); - puts(protect("_eval_debug_assertions") + "();\n"); - puts("#endif // VL_DEBUG\n"); - putsDecoration("// Initialize\n"); - puts("if (VL_UNLIKELY(!vlSymsp->__Vm_didInit)) " + protect("_eval_initial_loop") - + "(vlSymsp);\n"); - if (v3Global.opt.inhibitSim()) puts("if (VL_UNLIKELY(__Vm_inhibitSim)) return;\n"); - - if (v3Global.opt.threads() == 1) { - uint32_t mtaskId = 0; - putsDecoration("// MTask " + cvtToStr(mtaskId) + " start\n"); - puts("VL_DEBUG_IF(VL_DBG_MSGF(\"MTask" + cvtToStr(mtaskId) + " starting\\n\"););\n"); - puts("Verilated::mtaskId(" + cvtToStr(mtaskId) + ");\n"); - } - - if (v3Global.opt.mtasks() && v3Global.opt.profThreads()) { - puts("if (VL_UNLIKELY((vlSymsp->_vm_contextp__->profThreadsStart() != " - "__Vm_profile_time_finished)\n"); - puts(" && (VL_TIME_Q() > vlSymsp->_vm_contextp__->profThreadsStart())\n"); - puts(" && (vlSymsp->_vm_contextp__->profThreadsWindow() >= 1))) {\n"); - // Within a profile (either starting, middle, or end) - puts("if (vlTOPp->__Vm_profile_window_ct == 0) {\n"); // Opening file? - // Start profile on this cycle. We'll capture a window worth, then - // only analyze the next window worth. The idea is that the first window - // capture will hit some cache-cold stuff (eg printf) but it'll be warm - // by the time we hit the second window, we hope. - puts("vlTOPp->__Vm_profile_cycle_start = VL_RDTSC_Q();\n"); - // "* 2" as first half is warmup, second half is collection - puts("vlTOPp->__Vm_profile_window_ct = vlSymsp->_vm_contextp__->profThreadsWindow() * 2 + " - "1;\n"); - puts("}\n"); - puts("--vlTOPp->__Vm_profile_window_ct;\n"); - puts("if (vlTOPp->__Vm_profile_window_ct == " - "(vlSymsp->_vm_contextp__->profThreadsWindow())) {\n"); - // This barrier record in every threads' profile demarcates the - // cache-warm-up cycles before the barrier from the actual profile - // cycles afterward. - puts("vlTOPp->__Vm_threadPoolp->profileAppendAll("); - puts("VlProfileRec(VlProfileRec::Barrier()));\n"); - puts("vlTOPp->__Vm_profile_cycle_start = VL_RDTSC_Q();\n"); - puts("}\n"); - puts("else if (vlTOPp->__Vm_profile_window_ct == 0) {\n"); - // Ending file. - puts("vluint64_t elapsed = VL_RDTSC_Q() - vlTOPp->__Vm_profile_cycle_start;\n"); - puts( - "vlTOPp->__Vm_threadPoolp->profileDump(vlSymsp->_vm_contextp__->profThreadsFilename()." - "c_str(), elapsed);\n"); - // This turns off the test to enter the profiling code, but still - // allows the user to collect another profile by changing - // profThreadsStart - puts("__Vm_profile_time_finished = vlSymsp->_vm_contextp__->profThreadsStart();\n"); - puts("vlTOPp->__Vm_profile_cycle_start = 0;\n"); - puts("}\n"); - puts("}\n"); - } - - emitSettleLoop((string("VL_DEBUG_IF(VL_DBG_MSGF(\"+ Clock loop\\n\"););\n") - + (v3Global.opt.trace() ? "vlSymsp->__Vm_activity = true;\n" : "") - + protect("_eval") + "(vlSymsp);"), - false); - if (v3Global.opt.threads() == 1) { - puts("Verilated::endOfThreadMTask(vlSymsp->__Vm_evalMsgQp);\n"); - } - if (v3Global.opt.threads()) puts("Verilated::endOfEval(vlSymsp->__Vm_evalMsgQp);\n"); - puts("}\n"); - splitSizeInc(10); - - // - if (v3Global.needTraceDumper() && !optSystemC()) { - puts("\nvoid " + prefixNameProtect(modp) + "::eval_end_step() {\n"); - puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+eval_end_step " + prefixNameProtect(modp) - + "::eval_end_step\\n\"); );\n"); - puts("#ifdef VM_TRACE\n"); - puts(EmitCBaseVisitor::symClassVar() - + " = this->__VlSymsp; // Setup global symbol table\n"); - puts(EmitCBaseVisitor::symTopAssign() + "\n"); - putsDecoration("// Tracing\n"); - // SystemC's eval loop deals with calling trace, not us - puts("if (VL_UNLIKELY(vlSymsp->__Vm_dumping)) _traceDump();\n"); - puts("#endif // VM_TRACE\n"); - puts("}\n"); - } - - // - puts("\nvoid " + prefixNameProtect(modp) + "::" + protect("_eval_initial_loop") + "(" - + EmitCBaseVisitor::symClassVar() + ") {\n"); - puts("vlSymsp->__Vm_didInit = true;\n"); - puts(protect("_eval_initial") + "(vlSymsp);\n"); - if (v3Global.opt.trace()) puts("vlSymsp->__Vm_activity = true;\n"); - emitSettleLoop((protect("_eval_settle") + "(vlSymsp);\n" // - + protect("_eval") + "(vlSymsp);"), - true); - puts("}\n"); - splitSizeInc(10); -} - -//---------------------------------------------------------------------- -// Top interface/ implementation - -void EmitCStmts::emitVarList(AstNode* firstp, EisWhich which, const string& prefixIfImp, - string& sectionr) { - // Put out a list of signal declarations - // in order of 0:clocks, 1:vluint8, 2:vluint16, 4:vluint32, 5:vluint64, 6:wide, 7:arrays - // This aids cache packing and locality - // - // Largest->smallest reduces the number of pad variables. Also - // experimented with alternating between large->small and small->large - // on successive Mtask groups, but then when a new mtask gets added may - // cause a huge delta. - // - // TODO: Move this sort to an earlier visitor stage. - VarSortMap varAnonMap; - VarSortMap varNonanonMap; - - for (int isstatic = 1; isstatic >= 0; isstatic--) { - if (prefixIfImp != "" && !isstatic) continue; - for (AstNode* nodep = firstp; nodep; nodep = nodep->nextp()) { - if (const AstVar* varp = VN_CAST(nodep, Var)) { - bool doit = true; - switch (which) { - case EVL_CLASS_IO: doit = varp->isIO(); break; - case EVL_CLASS_SIG: - doit = ((varp->isSignal() || varp->isClassMember()) && !varp->isIO()); - break; - case EVL_CLASS_TEMP: doit = (varp->isTemp() && !varp->isIO()); break; - case EVL_CLASS_PAR: - doit = (varp->isParam() && !VN_IS(varp->valuep(), Const)); - break; - case EVL_CLASS_ALL: doit = true; break; - case EVL_FUNC_ALL: doit = true; break; - default: v3fatalSrc("Bad Case"); - } - if (varp->isStatic() ? !isstatic : isstatic) doit = false; - if (doit) { - int sigbytes = varp->dtypeSkipRefp()->widthAlignBytes(); - int sortbytes = 9; - if (varp->isUsedClock() && varp->widthMin() == 1) { - sortbytes = 0; - } else if (VN_IS(varp->dtypeSkipRefp(), UnpackArrayDType)) { - sortbytes = 8; - } else if (varp->basicp() && varp->basicp()->isOpaque()) { - sortbytes = 7; - } else if (varp->isScBv() || varp->isScBigUint()) { - sortbytes = 6; - } else if (sigbytes == 8) { - sortbytes = 5; - } else if (sigbytes == 4) { - sortbytes = 4; - } else if (sigbytes == 2) { - sortbytes = 2; - } else if (sigbytes == 1) { - sortbytes = 1; - } - bool anonOk = (v3Global.opt.compLimitMembers() != 0 // Enabled - && !varp->isStatic() && !varp->isIO() // Confusing to user - && !varp->isSc() // Aggregates can't be anon - && (varp->basicp() - && !varp->basicp()->isOpaque()) // Aggregates can't be anon - && which != EVL_FUNC_ALL); // Anon not legal in funcs, and gcc - // bug free there anyhow - if (anonOk) { - varAnonMap[sortbytes].push_back(varp); - } else { - varNonanonMap[sortbytes].push_back(varp); - } - } - } - } - } - - if (!varAnonMap.empty() || !varNonanonMap.empty()) { - if (!sectionr.empty()) { - puts(sectionr); - sectionr = ""; - } - VarVec anons; - VarVec nonanons; - emitVarSort(varAnonMap, &anons); - emitVarSort(varNonanonMap, &nonanons); - emitSortedVarList(anons, nonanons, prefixIfImp); - } -} - -void EmitCStmts::emitVarSort(const VarSortMap& vmap, VarVec* sortedp) { - UASSERT(sortedp->empty(), "Sorted should be initially empty"); - if (!v3Global.opt.mtasks()) { - // Plain old serial mode. Sort by size, from small to large, - // to optimize for both packing and small offsets in code. - for (const auto& itr : vmap) { - for (VarVec::const_iterator jt = itr.second.begin(); jt != itr.second.end(); ++jt) { - sortedp->push_back(*jt); - } - } - return; - } - - // MacroTask mode. Sort by MTask-affinity group first, size second. - using MTaskVarSortMap = std::map; - MTaskVarSortMap m2v; - for (VarSortMap::const_iterator it = vmap.begin(); it != vmap.end(); ++it) { - int size_class = it->first; - const VarVec& vec = it->second; - for (const AstVar* varp : vec) { m2v[varp->mtaskIds()][size_class].push_back(varp); } - } - - // Create a TSP sort state for each MTaskIdSet footprint - V3TSP::StateVec states; - for (MTaskVarSortMap::iterator it = m2v.begin(); it != m2v.end(); ++it) { - states.push_back(new EmitVarTspSorter(it->first)); - } - - // Do the TSP sort - V3TSP::StateVec sorted_states; - V3TSP::tspSort(states, &sorted_states); - - for (V3TSP::StateVec::iterator it = sorted_states.begin(); it != sorted_states.end(); ++it) { - const EmitVarTspSorter* statep = dynamic_cast(*it); - const VarSortMap& localVmap = m2v[statep->mtaskIds()]; - // use rbegin/rend to sort size large->small - for (VarSortMap::const_reverse_iterator jt = localVmap.rbegin(); jt != localVmap.rend(); - ++jt) { - const VarVec& vec = jt->second; - for (VarVec::const_iterator kt = vec.begin(); kt != vec.end(); ++kt) { - sortedp->push_back(*kt); - } - } - VL_DO_DANGLING(delete statep, statep); - } -} - -void EmitCStmts::emitSortedVarList(const VarVec& anons, const VarVec& nonanons, - const string& prefixIfImp) { - string curVarCmt; - // Output anons - { - int anonMembers = anons.size(); - int lim = v3Global.opt.compLimitMembers(); - int anonL3s = 1; - int anonL2s = 1; - int anonL1s = 1; - if (anonMembers > (lim * lim * lim)) { - anonL3s = (anonMembers + (lim * lim * lim) - 1) / (lim * lim * lim); - anonL2s = lim; - anonL1s = lim; - } else if (anonMembers > (lim * lim)) { - anonL2s = (anonMembers + (lim * lim) - 1) / (lim * lim); - anonL1s = lim; - } else if (anonMembers > lim) { - anonL1s = (anonMembers + lim - 1) / lim; - } - if (anonL1s != 1) - puts("// Anonymous structures to workaround compiler member-count bugs\n"); - auto it = anons.cbegin(); - for (int l3 = 0; l3 < anonL3s && it != anons.cend(); ++l3) { - if (anonL3s != 1) puts("struct {\n"); - for (int l2 = 0; l2 < anonL2s && it != anons.cend(); ++l2) { - if (anonL2s != 1) puts("struct {\n"); - for (int l1 = 0; l1 < anonL1s && it != anons.cend(); ++l1) { - if (anonL1s != 1) puts("struct {\n"); - for (int l0 = 0; l0 < lim && it != anons.cend(); ++l0) { - const AstVar* varp = *it; - emitVarCmtChg(varp, &curVarCmt); - emitVarDecl(varp, prefixIfImp); - ++it; - } - if (anonL1s != 1) puts("};\n"); - } - if (anonL2s != 1) puts("};\n"); - } - if (anonL3s != 1) puts("};\n"); - } - // Leftovers, just in case off by one error somewhere above - for (; it != anons.end(); ++it) { - const AstVar* varp = *it; - emitVarCmtChg(varp, &curVarCmt); - emitVarDecl(varp, prefixIfImp); - } - } - // Output nonanons - for (const AstVar* varp : nonanons) { - emitVarCmtChg(varp, &curVarCmt); - emitVarDecl(varp, prefixIfImp); - } -} - -void EmitCImp::emitMTaskState() { - ofp()->putsPrivate(true); - AstExecGraph* execGraphp = v3Global.rootp()->execGraphp(); - UASSERT_OBJ(execGraphp, v3Global.rootp(), "Root should have an execGraphp"); - - const V3Graph* depGraphp = execGraphp->depGraphp(); - for (const V3GraphVertex* vxp = depGraphp->verticesBeginp(); vxp; vxp = vxp->verticesNextp()) { - const ExecMTask* mtp = dynamic_cast(vxp); - if (packedMTaskMayBlock(mtp) > 0) { - puts("VlMTaskVertex __Vm_mt_" + cvtToStr(mtp->id()) + ";\n"); - } - } - // This fake mtask depends on all the real ones. We use it to block - // eval() until all mtasks are done. - // - // In the future we might allow _eval() to return before the graph is - // fully done executing, for "half wave" scheduling. For now we wait - // for all mtasks though. - puts("VlMTaskVertex __Vm_mt_final;\n"); - puts("VlThreadPool* __Vm_threadPoolp;\n"); - - if (v3Global.opt.profThreads()) { - // rdtsc() at current cycle start - puts("vluint64_t __Vm_profile_cycle_start;\n"); - // Time we finished analysis - puts("vluint64_t __Vm_profile_time_finished;\n"); - // Track our position in the cache warmup and actual profile window - puts("vluint32_t __Vm_profile_window_ct;\n"); - } - - puts("bool __Vm_even_cycle;\n"); -} - -void EmitCImp::emitIntTop(AstNodeModule*) { +void EmitCImp::emitIntTop(const AstNodeModule* modp) { // Always have this first; gcc has short circuiting if #ifdef is first in a file ofp()->putsGuard(); puts("\n"); ofp()->putsIntTopInclude(); - if (v3Global.needHeavy()) { - puts("#include \"verilated_heavy.h\"\n"); - } else { - puts("#include \"verilated.h\"\n"); - } + puts("#include \"verilated_heavy.h\"\n"); if (v3Global.opt.mtasks()) puts("#include \"verilated_threads.h\"\n"); if (v3Global.opt.savable()) puts("#include \"verilated_save.h\"\n"); if (v3Global.opt.coverage()) puts("#include \"verilated_cov.h\"\n"); - if (v3Global.dpi()) { - // do this before including our main .h file so that any references to - // types defined in svdpi.h are available - puts("#include \"" + topClassName() + "__Dpi.h\"\n"); - } } void EmitCImp::emitInt(AstNodeModule* modp) { @@ -3155,8 +479,6 @@ void EmitCImp::emitInt(AstNodeModule* modp) { if (classp->extendsp()) puts(" : public " + prefixNameProtect(classp->extendsp()->classp())); puts(" {\n"); - } else if (optSystemC() && modp->isTop()) { - puts("SC_MODULE(" + prefixNameProtect(modp) + ") {\n"); } else { puts("VL_MODULE(" + prefixNameProtect(modp) + ") {\n"); } @@ -3170,10 +492,6 @@ void EmitCImp::emitInt(AstNodeModule* modp) { if (!did) { did = true; putsDecoration("// CELLS\n"); - if (modp->isTop()) { - puts("// Public to allow access to /*verilator_public*/ items;\n"); - puts("// otherwise the application code can consider these internals.\n"); - } } puts(prefixNameProtect(cellp->modp()) + "* " + cellp->nameProtect() + ";\n"); } @@ -3184,38 +502,23 @@ void EmitCImp::emitInt(AstNodeModule* modp) { string section; section = "\n// PORTS\n"; - if (modp->isTop()) { - section += ("// The application code writes and reads these signals to\n" - "// propagate new values into/out from the Verilated model.\n"); - } emitVarList(modp->stmtsp(), EVL_CLASS_IO, "", section /*ref*/); section = "\n// LOCAL SIGNALS\n"; - if (modp->isTop()) section += "// Internals; generally not touched by application code\n"; emitVarList(modp->stmtsp(), EVL_CLASS_SIG, "", section /*ref*/); section = "\n// LOCAL VARIABLES\n"; - if (modp->isTop()) section += "// Internals; generally not touched by application code\n"; emitVarList(modp->stmtsp(), EVL_CLASS_TEMP, "", section /*ref*/); puts("\n// INTERNAL VARIABLES\n"); - if (modp->isTop()) puts("// Internals; generally not touched by application code\n"); if (!VN_IS(modp, Class)) { // Avoid clang unused error (& don't want in every object) - ofp()->putsPrivate(!modp->isTop()); // private: unless top - puts(symClassName() + "* __VlSymsp; // Symbol table\n"); + ofp()->putsPrivate(false); // public: so loose methods can pick it up + puts(symClassName() + "* vlSymsp; // Symbol table\n"); } ofp()->putsPrivate(false); // public: - if (modp->isTop()) { - if (v3Global.opt.inhibitSim()) { - puts("bool __Vm_inhibitSim; ///< Set true to disable evaluation of module\n"); - } - if (v3Global.opt.mtasks()) emitMTaskState(); - } emitCoverageDecl(modp); // may flip public/private section = "\n// PARAMETERS\n"; - if (modp->isTop()) - section += "// Parameters marked /*verilator public*/ for use by application code\n"; ofp()->putsPrivate(false); // public: emitVarList(modp->stmtsp(), EVL_CLASS_PAR, "", section /*ref*/); // Only those that are non-CONST @@ -3232,104 +535,15 @@ void EmitCImp::emitInt(AstNodeModule* modp) { if (VN_IS(modp, Class)) { // CFuncs with isConstructor/isDestructor used instead - } else if (optSystemC() && modp->isTop()) { - ofp()->putsPrivate(false); // public: - puts("SC_CTOR(" + prefixNameProtect(modp) + ");\n"); - puts("virtual ~" + prefixNameProtect(modp) + "();\n"); - } else if (optSystemC()) { - ofp()->putsPrivate(false); // public: - puts(prefixNameProtect(modp) + "(const char* __VCname = \"\");\n"); - puts("~" + prefixNameProtect(modp) + "();\n"); } else { ofp()->putsPrivate(false); // public: - if (modp->isTop()) { - puts("/// Construct the model; called by application code\n"); - puts("/// If contextp is null, then the model will use the default global context\n"); - puts("/// If name is \"\", then makes a wrapper with a\n"); - puts("/// single model invisible with respect to DPI scope names.\n"); - puts(prefixNameProtect(modp) + "(VerilatedContext* contextp," - + " const char* name = \"TOP\");\n"); - puts(prefixNameProtect(modp) + "(const char* name = \"TOP\")\n"); - puts(" : " + prefixNameProtect(modp) + "(nullptr, name) {}\n"); - } else { - if (VN_IS(modp, Class)) { - // TODO move all constructor definition to e.g. V3CUse - puts(prefixNameProtect(modp) + "();\n"); - } else { - puts(prefixNameProtect(modp) + "(const char* name = \"TOP\");\n"); - } - } - if (modp->isTop()) { - puts("/// Destroy the model; called (often implicitly) by application code\n"); - } + puts(prefixNameProtect(modp) + "(const char* name);\n"); puts("~" + prefixNameProtect(modp) + "();\n"); } - if (v3Global.opt.trace() && modp->isTop()) { - puts("/// Trace signals in the model; called by application code\n"); - puts("void trace(" + v3Global.opt.traceClassBase() - + "C* tfp, int levels, int options = 0);\n"); - if (optSystemC()) { - puts("/// SC tracing; avoid overloaded virtual function lint warning\n"); - puts("virtual void trace(sc_trace_file* tfp) const override { " - "::sc_core::sc_module::trace(tfp); }\n"); - } - } - emitTextSection(AstType::atScInt); - if (modp->isTop()) { - puts("\n// API METHODS\n"); - puts("/// Return current simulation context for this model.\n"); - puts("/// Used to get to e.g. simulation time via contextp()->time()\n"); - puts("VerilatedContext* contextp();\n"); - - string callEvalEndStep - = (v3Global.needTraceDumper() && !optSystemC()) ? "eval_end_step(); " : ""; - if (optSystemC()) { - ofp()->putsPrivate(true); ///< eval() is invoked by our sensitive() calls. - } - if (!optSystemC()) { - puts("/// Evaluate the model. Application must call when inputs change.\n"); - } - puts("void eval() { eval_step(); " + callEvalEndStep + "}\n"); - if (!optSystemC()) { - puts("/// Evaluate when calling multiple units/models per time step.\n"); - } - puts("void eval_step();\n"); - if (!optSystemC()) { - puts("/// Evaluate at end of a timestep for tracing, when using eval_step().\n"); - puts("/// Application must call after all eval() and before time changes.\n"); - puts("void eval_end_step()"); - if (callEvalEndStep == "") { - puts(" {}\n"); - } else { - puts(";\n"); - } - } - ofp()->putsPrivate(false); // public: - if (!optSystemC()) { - puts("/// Simulation complete, run final blocks. Application " - "must call on completion.\n"); - } - puts("void final();\n"); - if (v3Global.opt.inhibitSim()) { - puts("/// Disable evaluation of module (e.g. turn off)\n"); - puts("void inhibitSim(bool flag) { __Vm_inhibitSim = flag; }\n"); - } - } - puts("\n// INTERNAL METHODS\n"); - if (modp->isTop()) { - ofp()->putsPrivate(false); // public: as accessed by another VL_MODULE - puts("static void " + protect("_eval_initial_loop") + "(" + EmitCBaseVisitor::symClassVar() - + ");\n"); - if (v3Global.needTraceDumper()) { - if (!optSystemC()) puts("void _traceDump();\n"); - puts("void _traceDumpOpen();\n"); - puts("void _traceDumpClose();\n"); - } - } if (!VN_IS(modp, Class)) { ofp()->putsPrivate(false); // public: @@ -3339,11 +553,6 @@ void EmitCImp::emitInt(AstNodeModule* modp) { ofp()->putsPrivate(false); // public: emitIntFuncDecls(modp, true); - if (v3Global.opt.trace() && !VN_IS(modp, Class)) { - ofp()->putsPrivate(true); // private: - puts("static void " + protect("traceInit") + "(void* userp, " - + v3Global.opt.traceClassBase() + "* tracep, uint32_t code) VL_ATTR_COLD;\n"); - } if (v3Global.opt.savable()) { ofp()->putsPrivate(false); // public: puts("void " + protect("__Vserialize") + "(VerilatedSerialize& os);\n"); @@ -3356,17 +565,6 @@ void EmitCImp::emitInt(AstNodeModule* modp) { puts("\n//----------\n\n"); emitIntFuncDecls(modp, false); - - // Save/restore - if (v3Global.opt.savable() && modp->isTop()) { - puts("\n"); - puts("inline VerilatedSerialize& operator<<(VerilatedSerialize& os, " - + prefixNameProtect(modp) + "& rhs) {\n" // - + "Verilated::quiesce(); rhs." + protect("__Vserialize") + "(os); return os; }\n"); - puts("inline VerilatedDeserialize& operator>>(VerilatedDeserialize& os, " - + prefixNameProtect(modp) + "& rhs) {\n" // - + "Verilated::quiesce(); rhs." + protect("__Vdeserialize") + "(os); return os; }\n"); - } } //---------------------------------------------------------------------- @@ -3399,13 +597,7 @@ void EmitCImp::emitImp(AstNodeModule* modp) { emitCoverageImp(modp); } - if (m_fast) { - emitTextSection(AstType::atScImp); - if (modp->isTop()) { - emitWrapFast(modp); - emitWrapEval(modp); - } - } + if (m_fast) { emitTextSection(AstType::atScImp); } // Blocks for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { @@ -3470,33 +662,16 @@ void EmitCImp::mainImp(AstNodeModule* modp, bool slow) { m_modp = modp; } - if (m_fast && modp->isTop() && v3Global.opt.mtasks()) { - // Make a final pass and emit function definitions for the mtasks - // in the ExecGraph - AstExecGraph* execGraphp = v3Global.rootp()->execGraphp(); - const V3Graph* depGraphp = execGraphp->depGraphp(); - for (const V3GraphVertex* vxp = depGraphp->verticesBeginp(); vxp; - vxp = vxp->verticesNextp()) { - const ExecMTask* mtaskp = dynamic_cast(vxp); - if (mtaskp->threadRoot()) { - // Only define one function for all the mtasks packed on - // a given thread. We'll name this function after the - // root mtask though it contains multiple mtasks' worth - // of logic. - iterate(mtaskp->bodyp()); - } - } - } VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); } //###################################################################### // Tracing routines -class EmitCTrace final : EmitCStmts { +class EmitCTrace final : EmitCFunc { // NODE STATE/TYPES // Cleared on netlist - // AstNode::user1() -> int. Enum number + // AstNode::user1() -> int. Enum number AstUser1InUse m_inuser1; // MEMBERS @@ -3507,6 +682,8 @@ class EmitCTrace final : EmitCStmts { // METHODS void newOutCFile(int filenum) { + m_lazyDecls.reset(); // Need to emit new lazy declarations + string filename = (v3Global.opt.makeDir() + "/" + topClassName() + "_" + protect("_Trace")); if (filenum) filename += "__" + cvtToStr(filenum); @@ -3536,68 +713,6 @@ class EmitCTrace final : EmitCStmts { puts("\n"); } - void emitTraceSlow() { - puts("\n//======================\n\n"); - - if (v3Global.needTraceDumper() && !optSystemC()) { - puts("void " + topClassName() + "::_traceDump() {\n"); - // Caller checked for __Vm_dumperp non-nullptr - puts("const VerilatedLockGuard lock(__VlSymsp->__Vm_dumperMutex);\n"); - puts("__VlSymsp->__Vm_dumperp->dump(VL_TIME_Q());\n"); - puts("}\n"); - splitSizeInc(10); - } - - if (v3Global.needTraceDumper()) { - puts("void " + topClassName() + "::_traceDumpOpen() {\n"); - puts("const VerilatedLockGuard lock(__VlSymsp->__Vm_dumperMutex);\n"); - puts("if (VL_UNLIKELY(!__VlSymsp->__Vm_dumperp)) {\n"); - puts("__VlSymsp->__Vm_dumperp = new " + v3Global.opt.traceClassLang() + "();\n"); - puts("trace(__VlSymsp->__Vm_dumperp, 0, 0);\n"); - puts("std::string dumpfile = __VlSymsp->_vm_contextp__->dumpfileCheck();\n"); - puts("__VlSymsp->__Vm_dumperp->open(dumpfile.c_str());\n"); - puts("__VlSymsp->__Vm_dumping = true;\n"); - puts("}\n"); - puts("}\n"); - splitSizeInc(10); - - puts("void " + topClassName() + "::_traceDumpClose() {\n"); - puts("const VerilatedLockGuard lock(__VlSymsp->__Vm_dumperMutex);\n"); - puts("__VlSymsp->__Vm_dumping = false;\n"); - puts("VL_DO_CLEAR(delete __VlSymsp->__Vm_dumperp, __VlSymsp->__Vm_dumperp = " - "nullptr);\n"); - puts("}\n"); - splitSizeInc(10); - } - - puts("void " + topClassName() + "::trace("); - puts(v3Global.opt.traceClassBase() + "C* tfp, int, int) {\n"); - puts("tfp->spTrace()->addInitCb(&" + protect("traceInit") + ", __VlSymsp);\n"); - puts(protect("traceRegister") + "(tfp->spTrace());\n"); - puts("}\n"); - puts("\n"); - splitSizeInc(10); - - puts("void " + topClassName() + "::" + protect("traceInit") + "(void* userp, " - + v3Global.opt.traceClassBase() + "* tracep, uint32_t code) {\n"); - putsDecoration("// Callback from tracep->open()\n"); - puts(symClassVar() + " = static_cast<" + symClassName() + "*>(userp);\n"); - puts("if (!vlSymsp->_vm_contextp__->calcUnusedSigs()) {\n"); - puts("VL_FATAL_MT(__FILE__, __LINE__, __FILE__,\n"); - puts(" \"Turning on wave traces requires Verilated::traceEverOn(true) call " - "before time 0.\");\n"); - puts("}\n"); - puts("vlSymsp->__Vm_baseCode = code;\n"); - puts("tracep->module(vlSymsp->name());\n"); - puts("tracep->scopeEscape(' ');\n"); - puts(topClassName() + "::" + protect("traceInitTop") + "(vlSymsp, tracep);\n"); - puts("tracep->scopeEscape('.');\n"); // Restore so later traced files won't break - puts("}\n"); - splitSizeInc(10); - - puts("\n//======================\n\n"); - } - bool emitTraceIsScBv(AstTraceInc* nodep) { const AstVarRef* varrefp = VN_CAST(nodep->declp()->valuep(), VarRef); if (!varrefp) return false; @@ -3653,8 +768,8 @@ class EmitCTrace final : EmitCStmts { } // // fstVarType - AstVarType vartype = nodep->varType(); - AstBasicDTypeKwd kwd = nodep->declKwd(); + const AstVarType vartype = nodep->varType(); + const AstBasicDTypeKwd kwd = nodep->declKwd(); string fstvt; // Doubles have special decoding properties, so must indicate if a double if (nodep->dtypep()->basicp()->isDouble()) { @@ -3823,15 +938,20 @@ class EmitCTrace final : EmitCStmts { } // VISITORS - using EmitCStmts::visit; // Suppress hidden overloaded virtual function warning + using EmitCFunc::visit; // Suppress hidden overloaded virtual function warning virtual void visit(AstNetlist* nodep) override { // Top module only iterate(nodep->topModulep()); } - virtual void visit(AstNodeModule* nodep) override { iterateChildren(nodep); } + virtual void visit(AstNodeModule* nodep) override { + m_modp = nodep; + iterateChildren(nodep); + m_modp = nullptr; + } virtual void visit(AstCFunc* nodep) override { if (nodep->slow() != m_slow) return; VL_RESTORER(m_cfuncp); + VL_RESTORER(m_useSelfForThis); if (nodep->funcType().isTrace()) { // TRACE_* m_cfuncp = nodep; @@ -3847,15 +967,24 @@ class EmitCTrace final : EmitCStmts { splitSizeInc(nodep); puts("\n"); - puts(nodep->rtnTypeVoid()); - puts(" "); - puts(topClassName() + "::" + nodep->nameProtect() + "(" + cFuncArgs(nodep) + ") {\n"); + m_lazyDecls.emit(nodep); + emitCFuncHeader(nodep, m_modp, /* withScope: */ true); + puts(" {\n"); - if (nodep->funcType() != AstCFuncType::TRACE_REGISTER) { - puts(symClassVar() + " = static_cast<" + symClassName() + "*>(userp);\n"); + if (nodep->isLoose()) { + m_lazyDecls.declared(nodep); // Defined here, so no longer needs declaration + if (!nodep->isStatic()) { // Standard prologue + puts("if (false && vlSelf) {} // Prevent unused\n"); + m_useSelfForThis = true; + puts(symClassAssign()); + } } - if (nodep->symProlog()) puts(symTopAssign() + "\n"); + if (nodep->initsp()) { + string section; + emitVarList(nodep->initsp(), EVL_FUNC_ALL, "", section /*ref*/); + iterateAndNextNull(nodep->initsp()); + } m_baseCode = -1; @@ -3884,13 +1013,6 @@ class EmitCTrace final : EmitCStmts { puts("if (false && tracep && c) {} // Prevent unused\n"); } - if (nodep->initsp()) { - string section; - putsDecoration("// Variables\n"); - emitVarList(nodep->initsp(), EVL_FUNC_ALL, "", section /*ref*/); - iterateAndNextNull(nodep->initsp()); - } - if (nodep->stmtsp()) { putsDecoration("// Body\n"); puts("{\n"); @@ -3905,7 +1027,7 @@ class EmitCTrace final : EmitCStmts { } } virtual void visit(AstTraceDecl* nodep) override { - int enumNum = emitTraceDeclDType(nodep->dtypep()); + const int enumNum = emitTraceDeclDType(nodep->dtypep()); if (nodep->arrayRange().ranged()) { puts("{int i; for (i=0; i<" + cvtToStr(nodep->arrayRange().elements()) + "; i++) {\n"); emitTraceInitOne(nodep, enumNum); @@ -3936,8 +1058,6 @@ public: // Put out the file newOutCFile(0); - if (m_slow) emitTraceSlow(); - iterate(v3Global.rootp()); VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); @@ -3947,8 +1067,24 @@ public: //###################################################################### // EmitC class functions +static void setParentClassPointers() { + // Set user4p in all CFunc and Var to point to the containing AstNodeModule + const auto setAll = [](AstNodeModule* modp) -> void { + for (AstNode* nodep = VN_CAST(modp, NodeModule)->stmtsp(); nodep; nodep = nodep->nextp()) { + if (VN_IS(nodep, CFunc) || VN_IS(nodep, Var)) nodep->user4p(modp); + } + }; + for (AstNode* modp = v3Global.rootp()->modulesp(); modp; modp = modp->nextp()) { + setAll(VN_CAST(modp, NodeModule)); + } + setAll(v3Global.rootp()->constPoolp()->modp()); +} + void V3EmitC::emitc() { UINFO(2, __FUNCTION__ << ": " << endl); + // Set user4 to parent module + AstUser4InUse user4InUse; + setParentClassPointers(); // Process each module in turn for (AstNodeModule* nodep = v3Global.rootp()->modulesp(); nodep; nodep = VN_CAST(nodep->nextp(), NodeModule)) { @@ -3968,6 +1104,9 @@ void V3EmitC::emitc() { void V3EmitC::emitcTrace() { UINFO(2, __FUNCTION__ << ": " << endl); if (v3Global.opt.trace()) { + // Set user4 to parent module + AstUser4InUse user4InUse; + setParentClassPointers(); { EmitCTrace slow(true); slow.main(); @@ -3988,7 +1127,7 @@ void V3EmitC::emitcFiles() { V3OutCFile of(cfilep->name()); of.puts("// DESCR" "IPTION: Verilator generated C++\n"); - EmitCStmts visitor(cfilep->tblockp(), &of, true); + EmitCFunc visitor(cfilep->tblockp(), &of, true); } } } diff --git a/src/V3EmitC.h b/src/V3EmitC.h index 0e4207c6a..406a00429 100644 --- a/src/V3EmitC.h +++ b/src/V3EmitC.h @@ -28,7 +28,9 @@ class V3EmitC final { public: static void emitc(); + static void emitcConstPool(); static void emitcInlines(); + static void emitcModel(); static void emitcSyms(bool dpiHdrOnly = false); static void emitcTrace(); static void emitcFiles(); diff --git a/src/V3EmitCBase.cpp b/src/V3EmitCBase.cpp new file mode 100644 index 000000000..f955f99dc --- /dev/null +++ b/src/V3EmitCBase.cpp @@ -0,0 +1,223 @@ +// -*- mode: C++; c-file-style: "cc-mode" -*- +//************************************************************************* +// DESCRIPTION: Verilator: Emit C++ for tree +// +// Code available from: https://verilator.org +// +//************************************************************************* +// +// Copyright 2003-2021 by Wilson Snyder. This program is free software; you +// can redistribute it and/or modify it under the terms of either the GNU +// Lesser General Public License Version 3 or the Perl Artistic License +// Version 2.0. +// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 +// +//************************************************************************* + +#include "config_build.h" +#include "verilatedos.h" + +#include "V3EmitCBase.h" +#include "V3Task.h" + +//###################################################################### +// EmitCBaseVisitor implementation + +string EmitCBaseVisitor::funcNameProtect(const AstCFunc* nodep, const AstNodeModule* modp) { + modp = modp ? modp : VN_CAST(nodep->user4p(), NodeModule); + string name; + if (nodep->isConstructor()) { + name += prefixNameProtect(modp); + } else if (nodep->isDestructor()) { + name += "~"; + name += prefixNameProtect(modp); + } else { + if (nodep->isLoose()) { + name += prefixNameProtect(modp); + name += "__"; + } + name += nodep->nameProtect(); + } + return name; +} + +AstCFile* EmitCBaseVisitor::newCFile(const string& filename, bool slow, bool source) { + AstCFile* cfilep = new AstCFile(v3Global.rootp()->fileline(), filename); + cfilep->slow(slow); + cfilep->source(source); + v3Global.rootp()->addFilesp(cfilep); + return cfilep; +} + +string EmitCBaseVisitor::cFuncArgs(const AstCFunc* nodep) { + // Return argument list for given C function + string args; + if (nodep->isLoose() && !nodep->isStatic()) { + if (nodep->isConst().trueKnown()) args += "const "; + AstNodeModule* modp = VN_CAST(nodep->user4p(), NodeModule); + args += prefixNameProtect(modp); + args += "* vlSelf"; + } + if (!nodep->argTypes().empty()) { + if (!args.empty()) args += ", "; + args += nodep->argTypes(); + } + // Might be a user function with argument list. + for (const AstNode* stmtp = nodep->argsp(); stmtp; stmtp = stmtp->nextp()) { + if (const AstVar* portp = VN_CAST_CONST(stmtp, Var)) { + if (portp->isIO() && !portp->isFuncReturn()) { + if (args != "") args += ", "; + if (nodep->dpiImportPrototype() || nodep->dpiExportDispatcher()) { + args += portp->dpiArgType(true, false); + } else if (nodep->funcPublic()) { + args += portp->cPubArgType(true, false); + } else { + args += portp->vlArgType(true, false, true); + } + } + } + } + return args; +} + +void EmitCBaseVisitor::emitCFuncHeader(const AstCFunc* funcp, const AstNodeModule* modp, + bool withScope) { + if (!funcp->isConstructor() && !funcp->isDestructor()) { + puts(funcp->rtnTypeVoid()); + puts(" "); + } + if (withScope) { + if (funcp->dpiExportDispatcher()) { + puts(topClassName() + "::"); + } else if (funcp->isProperMethod()) { + puts(prefixNameProtect(modp) + "::"); + } + } + puts(funcNameProtect(funcp, modp)); + puts("(" + cFuncArgs(funcp) + ")"); + if (funcp->isConst().trueKnown() && funcp->isProperMethod()) puts(" const"); +} + +void EmitCBaseVisitor::emitCFuncDecl(const AstCFunc* funcp, const AstNodeModule* modp, + bool cLinkage) { + ensureNewLine(); + if (!funcp->ifdef().empty()) puts("#ifdef " + funcp->ifdef() + "\n"); + if (cLinkage) puts("extern \"C\" "); + if (funcp->isStatic() && funcp->isProperMethod()) puts("static "); + if (funcp->isVirtual()) { + UASSERT_OBJ(funcp->isProperMethod(), funcp, "Virtual function is not a proper method"); + puts("virtual "); + } + emitCFuncHeader(funcp, modp, /* withScope: */ false); + if (funcp->slow()) puts(" VL_ATTR_COLD"); + puts(";\n"); + if (!funcp->ifdef().empty()) puts("#endif // " + funcp->ifdef() + "\n"); +} + +void EmitCBaseVisitor::emitVarDecl(const AstVar* nodep, const string& prefixIfImp, bool asRef) { + const AstBasicDType* const basicp = nodep->basicp(); + bool refNeedParens = VN_IS(nodep->dtypeSkipRefp(), UnpackArrayDType); + + const auto emitDeclArrayBrackets = [this](const AstVar* nodep) -> void { + // This isn't very robust and may need cleanup for other data types + for (const AstUnpackArrayDType* arrayp + = VN_CAST_CONST(nodep->dtypeSkipRefp(), UnpackArrayDType); + arrayp; arrayp = VN_CAST_CONST(arrayp->subDTypep()->skipRefp(), UnpackArrayDType)) { + puts("[" + cvtToStr(arrayp->elementsConst()) + "]"); + } + }; + + if (nodep->isIO() && nodep->isSc()) { + UASSERT_OBJ(basicp, nodep, "Unimplemented: Outputting this data type"); + if (nodep->attrScClocked() && nodep->isReadOnly()) { + puts("sc_in_clk "); + } else { + if (nodep->isInoutish()) { + puts("sc_inout<"); + } else if (nodep->isWritable()) { + puts("sc_out<"); + } else if (nodep->isNonOutput()) { + puts("sc_in<"); + } else { + nodep->v3fatalSrc("Unknown type"); + } + puts(nodep->scType()); + puts("> "); + } + if (asRef) { + if (refNeedParens) puts("("); + puts("&"); + } + puts(nodep->nameProtect()); + if (asRef && refNeedParens) { puts(")"); } + emitDeclArrayBrackets(nodep); + puts(";\n"); + } else if (nodep->isIO() && basicp && !basicp->isOpaque()) { + if (nodep->isInoutish()) { + puts("VL_INOUT"); + } else if (nodep->isWritable()) { + puts("VL_OUT"); + } else if (nodep->isNonOutput()) { + puts("VL_IN"); + } else { + nodep->v3fatalSrc("Unknown type"); + } + + if (nodep->isQuad()) { + puts("64"); + } else if (nodep->widthMin() <= 8) { + puts("8"); + } else if (nodep->widthMin() <= 16) { + puts("16"); + } else if (nodep->isWide()) { + puts("W"); + refNeedParens = true; + } + + puts("("); + if (asRef) { + if (refNeedParens) puts("("); + puts("&"); + } + puts(nodep->nameProtect()); + if (asRef && refNeedParens) { puts(")"); } + emitDeclArrayBrackets(nodep); + // If it's a packed struct/array then nodep->width is the whole + // thing, msb/lsb is just lowest dimension + puts("," + cvtToStr(basicp->lo() + nodep->width() - 1) + "," + cvtToStr(basicp->lo())); + if (nodep->isWide()) puts("," + cvtToStr(nodep->widthWords())); + puts(");\n"); + } else { + // strings and other fundamental c types + if (nodep->isFuncLocal() && nodep->isString()) { + const string name = nodep->name(); + const string suffix = V3Task::dpiTemporaryVarSuffix(); + // string temporary variable for DPI-C needs to be static because c_str() will be + // passed to C code and the lifetime of the variable must be long enough. See also + // Issue 2622. + const bool beStatic = name.size() >= suffix.size() + && name.substr(name.size() - suffix.size()) == suffix; + if (beStatic) puts("static VL_THREAD_LOCAL "); + } + puts(nodep->vlArgType(true, false, false, prefixIfImp, asRef)); + puts(";\n"); + } +} + +void EmitCBaseVisitor::emitModCUse(AstNodeModule* modp, VUseType useType) { + string nl; + for (AstNode* itemp = modp->stmtsp(); itemp; itemp = itemp->nextp()) { + if (AstCUse* usep = VN_CAST(itemp, CUse)) { + if (usep->useType() == useType) { + if (usep->useType().isInclude()) { + puts("#include \"" + prefixNameProtect(usep) + ".h\"\n"); + } + if (usep->useType().isFwdClass()) { + puts("class " + prefixNameProtect(usep) + ";\n"); + } + nl = "\n"; + } + } + } + puts(nl); +} diff --git a/src/V3EmitCBase.h b/src/V3EmitCBase.h index 6b448916a..b9362991c 100644 --- a/src/V3EmitCBase.h +++ b/src/V3EmitCBase.h @@ -43,6 +43,7 @@ public: if (v3Global.opt.decoration()) puts(str); } void putsQuoted(const string& str) { ofp()->putsQuoted(str); } + void ensureNewLine() { ofp()->ensureNewLine(); } bool optSystemC() { return v3Global.opt.systemC(); } static string protect(const string& name) { return VIdProtect::protectIf(name, true); } static string protectIf(const string& name, bool doIt) { @@ -52,59 +53,35 @@ public: return VIdProtect::protectWordsIf(name, doIt); } static string ifNoProtect(const string& in) { return v3Global.opt.protectIds() ? "" : in; } + static string voidSelfAssign(const AstNodeModule* modp) { + const string className = prefixNameProtect(modp); + return className + "* const __restrict vlSelf VL_ATTR_UNUSED = static_cast<" + className + + "*>(voidSelf);\n"; + } static string symClassName() { return v3Global.opt.prefix() + "_" + protect("_Syms"); } static string symClassVar() { return symClassName() + "* __restrict vlSymsp"; } - static string symTopAssign() { - return v3Global.opt.prefix() + "* const __restrict vlTOPp VL_ATTR_UNUSED = vlSymsp->TOPp;"; - } - static string funcNameProtect(const AstCFunc* nodep, const AstNodeModule* modp) { - if (nodep->isConstructor()) { - return prefixNameProtect(modp); - } else if (nodep->isDestructor()) { - return string("~") + prefixNameProtect(modp); - } else { - return nodep->nameProtect(); - } + static string symClassAssign() { + return symClassName() + "* const __restrict vlSymsp VL_ATTR_UNUSED = vlSelf->vlSymsp;\n"; } + static string funcNameProtect(const AstCFunc* nodep, const AstNodeModule* modp = nullptr); static string prefixNameProtect(const AstNode* nodep) { // C++ name with prefix - const AstNodeModule* modp = VN_CAST_CONST(nodep, NodeModule); - if (modp && modp->isTop()) { - return v3Global.opt.prefix(); - } else { - return v3Global.opt.modPrefix() + "_" + protect(nodep->name()); - } + return v3Global.opt.modPrefix() + "_" + protect(nodep->name()); } static string topClassName() { // Return name of top wrapper module return v3Global.opt.prefix(); } - static AstCFile* newCFile(const string& filename, bool slow, bool source) { - AstCFile* cfilep = new AstCFile(v3Global.rootp()->fileline(), filename); - cfilep->slow(slow); - cfilep->source(source); - v3Global.rootp()->addFilesp(cfilep); - return cfilep; - } - string cFuncArgs(const AstCFunc* nodep) { - // Return argument list for given C function - string args = nodep->argTypes(); - // Might be a user function with argument list. - for (const AstNode* stmtp = nodep->argsp(); stmtp; stmtp = stmtp->nextp()) { - if (const AstVar* portp = VN_CAST_CONST(stmtp, Var)) { - if (portp->isIO() && !portp->isFuncReturn()) { - if (args != "") args += ", "; - if (nodep->dpiImport() || nodep->dpiExportWrapper()) { - args += portp->dpiArgType(true, false); - } else if (nodep->funcPublic()) { - args += portp->cPubArgType(true, false); - } else { - args += portp->vlArgType(true, false, true); - } - } - } - } - return args; + + static bool isConstPoolMod(AstNode* modp) { + return modp == v3Global.rootp()->constPoolp()->modp(); } + static AstCFile* newCFile(const string& filename, bool slow, bool source); + string cFuncArgs(const AstCFunc* nodep); + void emitCFuncHeader(const AstCFunc* funcp, const AstNodeModule* modp, bool withScope); + void emitCFuncDecl(const AstCFunc* funcp, const AstNodeModule* modp, bool cLinkage = false); + void emitVarDecl(const AstVar* nodep, const string& prefixIfImp, bool asRef = false); + void emitModCUse(AstNodeModule* modp, VUseType useType); + // CONSTRUCTORS EmitCBaseVisitor() = default; virtual ~EmitCBaseVisitor() override = default; diff --git a/src/V3EmitCConstPool.cpp b/src/V3EmitCConstPool.cpp new file mode 100644 index 000000000..589914a6e --- /dev/null +++ b/src/V3EmitCConstPool.cpp @@ -0,0 +1,192 @@ +// -*- mode: C++; c-file-style: "cc-mode" -*- +//************************************************************************* +// DESCRIPTION: Verilator: Emit C++ for tree +// +// Code available from: https://verilator.org +// +//************************************************************************* +// +// Copyright 2003-2021 by Wilson Snyder. This program is free software; you +// can redistribute it and/or modify it under the terms of either the GNU +// Lesser General Public License Version 3 or the Perl Artistic License +// Version 2.0. +// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 +// +//************************************************************************* + +#include "config_build.h" +#include "verilatedos.h" + +#include "V3EmitC.h" +#include "V3EmitCBase.h" +#include "V3File.h" +#include "V3Global.h" +#include "V3String.h" +#include "V3Stats.h" + +#include +#include + +//###################################################################### +// Const pool emitter + +class EmitCConstPool final : EmitCBaseVisitor { + // MEMBERS + bool m_inUnpacked = false; + uint32_t m_unpackedWord = 0; + uint32_t m_outFileCount = 0; + int m_outFileSize = 0; + VDouble0 m_tablesEmitted; + VDouble0 m_constsEmitted; + + // METHODS + VL_DEBUG_FUNC; // Declare debug() + + V3OutCFile* newOutCFile() const { + const string fileName = v3Global.opt.makeDir() + "/" + topClassName() + "__ConstPool_" + + cvtToStr(m_outFileCount) + ".cpp"; + newCFile(fileName, /* slow: */ true, /* source: */ true); + V3OutCFile* const ofp = new V3OutCFile(fileName); + ofp->putsHeader(); + ofp->puts("// DESCRIPTION: Verilator output: Constant pool\n"); + ofp->puts("//\n"); + ofp->puts("\n"); + ofp->puts("#include \"verilated_heavy.h\"\n"); + return ofp; + } + + void maybeSplitCFile() { + if (v3Global.opt.outputSplit() && m_outFileSize < v3Global.opt.outputSplit()) return; + // Splitting file, so using parallel build. + v3Global.useParallelBuild(true); + // Close current file + VL_DO_DANGLING(delete m_ofp, m_ofp); + // Open next file + m_outFileSize = 0; + ++m_outFileCount; + m_ofp = newOutCFile(); + } + + void emitVars(const AstConstPool* poolp) { + std::vector varps; + for (AstNode* nodep = poolp->modp()->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstVar* const varp = VN_CAST_CONST(nodep, Var)) { varps.push_back(varp); } + } + + if (varps.empty()) return; // Constant pool is empty, so we are done + + stable_sort(varps.begin(), varps.end(), [](const AstVar* ap, const AstVar* bp) { // + return ap->name() < bp->name(); + }); + + m_ofp = newOutCFile(); + + for (const AstVar* varp : varps) { + maybeSplitCFile(); + const string nameProtect = topClassName() + "__ConstPool__" + varp->nameProtect(); + puts("\n"); + puts("extern const "); + puts(varp->dtypep()->cType(nameProtect, false, false)); + puts(" = "); + iterate(varp->valuep()); + puts(";\n"); + // Keep track of stats + if (VN_IS(varp->dtypep(), UnpackArrayDType)) { + ++m_tablesEmitted; + } else { + ++m_constsEmitted; + } + } + + VL_DO_DANGLING(delete m_ofp, m_ofp); + } + + // VISITORS + virtual void visit(AstNode* nodep) override { iterateChildrenConst(nodep); } + + virtual void visit(AstInitArray* nodep) override { + const AstUnpackArrayDType* const dtypep + = VN_CAST(nodep->dtypep()->skipRefp(), UnpackArrayDType); + UASSERT_OBJ(dtypep, nodep, "Array initializer has non-array dtype"); + const uint32_t size = dtypep->elementsConst(); + const uint32_t elemBytes = dtypep->subDTypep()->widthTotalBytes(); + const uint32_t tabMod = dtypep->subDTypep()->isString() ? 1 // String + : elemBytes <= 2 ? 8 // CData, SData + : elemBytes <= 4 ? 4 // IData + : elemBytes <= 8 ? 2 // QData + : 1; + VL_RESTORER(m_inUnpacked); + VL_RESTORER(m_unpackedWord); + m_inUnpacked = true; + // Note the double {{ initializer. The first { starts the initializer of the VlUnpacked, + // and the second starts the initializer of m_storage within the VlUnpacked. + puts("{"); + ofp()->putsNoTracking("{"); + puts("\n"); + for (uint32_t n = 0; n < size; ++n) { + m_unpackedWord = n; + if (n) puts(n % tabMod ? ", " : ",\n"); + iterate(nodep->getIndexDefaultedValuep(n)); + } + puts("\n"); + puts("}"); + ofp()->putsNoTracking("}"); + } + + virtual void visit(AstInitItem* nodep) override { // LCOV_EXCL_START + nodep->v3fatal("Handled by AstInitArray"); + } // LCOV_EXCL_END + + virtual void visit(AstConst* nodep) override { + const V3Number& num = nodep->num(); + UASSERT_OBJ(!num.isFourState(), nodep, "4-state value in constant pool"); + AstNodeDType* const dtypep = nodep->dtypep(); + m_outFileSize += 1; + if (num.isString()) { + // Note: putsQuoted does not track indentation, so we use this instead + puts("\""); + puts(num.toString()); + puts("\""); + m_outFileSize += 9; + } else if (dtypep->isWide()) { + const uint32_t size = dtypep->widthWords(); + m_outFileSize += size - 1; + // Note the double {{ initializer. The first { starts the initializer of the VlWide, + // and the second starts the initializer of m_storage within the VlWide. + puts("{"); + ofp()->putsNoTracking("{"); + if (m_inUnpacked) puts(" // VlWide " + cvtToStr(m_unpackedWord)); + puts("\n"); + for (uint32_t n = 0; n < size; ++n) { + if (n) puts(n % 4 ? ", " : ",\n"); + ofp()->printf("0x%08" PRIx32, num.edataWord(n)); + } + puts("\n"); + puts("}"); + ofp()->putsNoTracking("}"); + } else if (dtypep->isQuad()) { + ofp()->printf("0x%016" PRIx64, static_cast(num.toUQuad())); + } else if (dtypep->widthMin() > 16) { + ofp()->printf("0x%08" PRIx32, num.toUInt()); + } else if (dtypep->widthMin() > 8) { + ofp()->printf("0x%04" PRIx32, num.toUInt()); + } else { + ofp()->printf("0x%02" PRIx32, num.toUInt()); + } + } + +public: + explicit EmitCConstPool(AstConstPool* poolp) { + emitVars(poolp); + V3Stats::addStatSum("ConstPool, Tables emitted", m_tablesEmitted); + V3Stats::addStatSum("ConstPool, Constants emitted", m_constsEmitted); + } +}; + +//###################################################################### +// EmitC static functions + +void V3EmitC::emitcConstPool() { + UINFO(2, __FUNCTION__ << ": " << endl); + EmitCConstPool(v3Global.rootp()->constPoolp()); +} diff --git a/src/V3EmitCFunc.cpp b/src/V3EmitCFunc.cpp new file mode 100644 index 000000000..5a5613981 --- /dev/null +++ b/src/V3EmitCFunc.cpp @@ -0,0 +1,1066 @@ +// -*- mode: C++; c-file-style: "cc-mode" -*- +//************************************************************************* +// DESCRIPTION: Verilator: Emit C++ for tree +// +// Code available from: https://verilator.org +// +//************************************************************************* +// +// Copyright 2003-2021 by Wilson Snyder. This program is free software; you +// can redistribute it and/or modify it under the terms of either the GNU +// Lesser General Public License Version 3 or the Perl Artistic License +// Version 2.0. +// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 +// +//************************************************************************* + +#include "config_build.h" +#include "verilatedos.h" + +#include "V3Global.h" +#include "V3String.h" +#include "V3EmitCFunc.h" +#include "V3TSP.h" + +#include +#include + +// We use a static char array in VL_VALUE_STRING +constexpr int VL_VALUE_STRING_MAX_WIDTH = 8192; + +//###################################################################### +// Establish mtask variable sort order in mtasks mode + +class EmitVarTspSorter final : public V3TSP::TspStateBase { +private: + // MEMBERS + const MTaskIdSet& m_mtaskIds; // Mtask we're ordering + static unsigned s_serialNext; // Unique ID to establish serial order + unsigned m_serial; // Serial ordering +public: + // CONSTRUCTORS + explicit EmitVarTspSorter(const MTaskIdSet& mtaskIds) + : m_mtaskIds(mtaskIds) { // Cannot be {} or GCC 4.8 false warning + m_serial = ++s_serialNext; // Cannot be ()/{} or GCC 4.8 false warning + } + virtual ~EmitVarTspSorter() = default; + // METHODS + virtual bool operator<(const TspStateBase& other) const override { + return operator<(dynamic_cast(other)); + } + bool operator<(const EmitVarTspSorter& other) const { return m_serial < other.m_serial; } + const MTaskIdSet& mtaskIds() const { return m_mtaskIds; } + virtual int cost(const TspStateBase* otherp) const override { + return cost(dynamic_cast(otherp)); + } + virtual int cost(const EmitVarTspSorter* otherp) const { + int cost = diffs(m_mtaskIds, otherp->m_mtaskIds); + cost += diffs(otherp->m_mtaskIds, m_mtaskIds); + return cost; + } + // Returns the number of elements in set_a that don't appear in set_b + static int diffs(const MTaskIdSet& set_a, const MTaskIdSet& set_b) { + int diffs = 0; + for (int i : set_a) { + if (set_b.find(i) == set_b.end()) ++diffs; + } + return diffs; + } +}; + +unsigned EmitVarTspSorter::s_serialNext = 0; + +//###################################################################### +// EmitCFunc + +void EmitCFunc::emitCtorSep(bool* firstp) { + if (*firstp) { + puts(" : "); + *firstp = false; + } else { + puts(", "); + } + if (ofp()->exceededWidth()) puts("\n "); +} + +void EmitCFunc::emitVarCtors(bool* firstp) { + if (!m_ctorVarsVec.empty()) { + ofp()->indentInc(); + if (*firstp) puts("\n"); + for (const AstVar* varp : m_ctorVarsVec) { + const AstBasicDType* const dtypep = VN_CAST(varp->dtypeSkipRefp(), BasicDType); + if (!dtypep) { + puts("// Skipping array: "); + puts(varp->nameProtect()); + puts("\n"); + } else if (dtypep->keyword().isMTaskState()) { + emitCtorSep(firstp); + puts(varp->nameProtect()); + puts("("); + iterate(varp->valuep()); + puts(")"); + } else { + emitCtorSep(firstp); + puts(varp->nameProtect()); + puts("("); + putsQuoted(varp->nameProtect()); + puts(")"); + } + } + puts("\n"); + ofp()->indentDec(); + } +} + +bool EmitCFunc::emitSimpleOk(AstNodeMath* nodep) { + // Can we put out a simple (A + B) instead of VL_ADD_III(A,B)? + if (nodep->emitSimpleOperator() == "") return false; + if (nodep->isWide()) return false; + if (nodep->op1p()) { + if (nodep->op1p()->isWide()) return false; + } + if (nodep->op2p()) { + if (nodep->op2p()->isWide()) return false; + } + if (nodep->op3p()) { + if (nodep->op3p()->isWide()) return false; + } + return true; +} + +void EmitCFunc::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp, AstNode* rhsp, + AstNode* thsp) { + // Look at emitOperator() format for term/uni/dual/triops, + // and write out appropriate text. + // %n* node + // %nq emitIQW on the [node] + // %nw width in bits + // %nW width in words + // %ni iterate + // %l* lhsp - if appropriate, then second char as above + // %r* rhsp - if appropriate, then second char as above + // %t* thsp - if appropriate, then second char as above + // %k Potential line break + // %P Wide temporary name + // , Commas suppressed if the previous field is suppressed + string nextComma; + bool needComma = false; +#define COMMA \ + do { \ + if (!nextComma.empty()) { \ + puts(nextComma); \ + nextComma = ""; \ + } \ + } while (false) + + putbs(""); + for (string::const_iterator pos = format.begin(); pos != format.end(); ++pos) { + if (pos[0] == ',') { + // Remember we need to add one, but don't do yet to avoid ",)" + if (needComma) { + if (pos[1] == ' ') { + nextComma = ", "; + } else + nextComma = ","; + needComma = false; + } + if (pos[1] == ' ') ++pos; // Must do even if no nextComma + } else if (pos[0] == '%') { + ++pos; + bool detail = false; + AstNode* detailp = nullptr; + switch (pos[0]) { + case '%': puts("%"); break; + case 'k': putbs(""); break; + case 'n': + detail = true; + detailp = nodep; + break; + case 'l': + detail = true; + detailp = lhsp; + break; + case 'r': + detail = true; + detailp = rhsp; + break; + case 't': + detail = true; + detailp = thsp; + break; + case 'P': + if (nodep->isWide()) { + UASSERT_OBJ(m_wideTempRefp, nodep, + "Wide Op w/ no temp, perhaps missing op in V3EmitC?"); + COMMA; + if (!m_wideTempRefp->selfPointer().empty()) { + emitDereference(m_wideTempRefp->selfPointerProtect(m_useSelfForThis)); + } + puts(m_wideTempRefp->varp()->nameProtect()); + m_wideTempRefp = nullptr; + needComma = true; + } + break; + default: nodep->v3fatalSrc("Unknown emitOperator format code: %" << pos[0]); break; + } + if (detail) { + // Get next letter of %[nlrt] + ++pos; + switch (pos[0]) { + case 'q': emitIQW(detailp); break; + case 'w': + COMMA; + puts(cvtToStr(detailp->widthMin())); + needComma = true; + break; + case 'W': + if (lhsp->isWide()) { + COMMA; + puts(cvtToStr(lhsp->widthWords())); + needComma = true; + } + break; + case 'i': + COMMA; + UASSERT_OBJ(detailp, nodep, "emitOperator() references undef node"); + iterateAndNextNull(detailp); + needComma = true; + break; + default: + nodep->v3fatalSrc("Unknown emitOperator format code: %[nlrt]" << pos[0]); + break; + } + } + } else if (pos[0] == ')') { + nextComma = ""; + puts(")"); + } else if (pos[0] == '(') { + COMMA; + needComma = false; + puts("("); + } else { + // Normal text + if (isalnum(pos[0])) needComma = true; + COMMA; + string s; + s += pos[0]; + puts(s); + } + } +} + +// We only do one display at once, so can just use static state +static struct EmitDispState { + string m_format; // "%s" and text from user + std::vector m_argsChar; // Format of each argument to be printed + std::vector m_argsp; // Each argument to be printed + std::vector m_argsFunc; // Function before each argument to be printed + EmitDispState() { clear(); } + void clear() { + m_format = ""; + m_argsChar.clear(); + m_argsp.clear(); + m_argsFunc.clear(); + } + void pushFormat(const string& fmt) { m_format += fmt; } + void pushFormat(char fmt) { m_format += fmt; } + void pushArg(char fmtChar, AstNode* nodep, const string& func) { + m_argsChar.push_back(fmtChar); + m_argsp.push_back(nodep); + m_argsFunc.push_back(func); + } +} emitDispState; + +void EmitCFunc::displayEmit(AstNode* nodep, bool isScan) { + if (emitDispState.m_format == "" + && VN_IS(nodep, Display)) { // not fscanf etc, as they need to return value + // NOP + } else { + // Format + bool isStmt = false; + if (const AstFScanF* dispp = VN_CAST(nodep, FScanF)) { + isStmt = false; + puts("VL_FSCANF_IX("); + iterate(dispp->filep()); + puts(","); + } else if (const AstSScanF* dispp = VN_CAST(nodep, SScanF)) { + isStmt = false; + checkMaxWords(dispp->fromp()); + puts("VL_SSCANF_I"); + emitIQW(dispp->fromp()); + puts("X("); + puts(cvtToStr(dispp->fromp()->widthMin())); + puts(","); + iterate(dispp->fromp()); + puts(","); + } else if (const AstDisplay* dispp = VN_CAST(nodep, Display)) { + isStmt = true; + if (dispp->filep()) { + puts("VL_FWRITEF("); + iterate(dispp->filep()); + puts(","); + } else { + puts("VL_WRITEF("); + } + } else if (const AstSFormat* dispp = VN_CAST(nodep, SFormat)) { + isStmt = true; + puts("VL_SFORMAT_X("); + puts(cvtToStr(dispp->lhsp()->widthMin())); + putbs(","); + iterate(dispp->lhsp()); + putbs(","); + } else if (VN_IS(nodep, SFormatF)) { + isStmt = false; + puts("VL_SFORMATF_NX("); + } else { + nodep->v3fatalSrc("Unknown displayEmit node type"); + } + ofp()->putsQuoted(emitDispState.m_format); + // Arguments + for (unsigned i = 0; i < emitDispState.m_argsp.size(); i++) { + const char fmt = emitDispState.m_argsChar[i]; + AstNode* argp = emitDispState.m_argsp[i]; + const string func = emitDispState.m_argsFunc[i]; + if (func != "" || argp) { + puts(","); + ofp()->indentInc(); + ofp()->putbs(""); + if (func != "") { + puts(func); + } else if (argp) { + const bool addrof = isScan || (fmt == '@'); + if (addrof) puts("&("); + iterate(argp); + if (!addrof) emitDatap(argp); + if (addrof) puts(")"); + } + ofp()->indentDec(); + } + } + // End + puts(")"); + if (isStmt) { + puts(";\n"); + } else { + puts(" "); + } + // Prep for next + emitDispState.clear(); + } +} + +void EmitCFunc::displayArg(AstNode* dispp, AstNode** elistp, bool isScan, const string& vfmt, + bool ignore, char fmtLetter) { + // Print display argument, edits elistp + AstNode* argp = nullptr; + if (!ignore) { + argp = *elistp; + // Prep for next parameter + *elistp = (*elistp)->nextp(); + if (VL_UNCOVERABLE(!argp)) { + // expectDisplay() checks this first, so internal error if found here + dispp->v3error( + "Internal: Missing arguments for $display-like format"); // LCOV_EXCL_LINE + return; // LCOV_EXCL_LINE + } + if (argp->widthMin() > VL_VALUE_STRING_MAX_WIDTH) { + dispp->v3error("Exceeded limit of " + cvtToStr(VL_VALUE_STRING_MAX_WIDTH) + + " bits for any $display-like arguments"); + } + if (argp->widthMin() > 8 && fmtLetter == 'c') { + // Technically legal, but surely not what the user intended. + argp->v3warn(WIDTH, dispp->verilogKwd() << "of %c format of > 8 bit value"); + } + } + // string pfmt = "%"+displayFormat(argp, vfmt, fmtLetter)+fmtLetter; + string pfmt; + if ((fmtLetter == '#' || fmtLetter == 'd') && !isScan + && vfmt == "") { // Size decimal output. Spec says leading spaces, not zeros + const double mantissabits = ignore ? 0 : (argp->widthMin() - ((fmtLetter == 'd') ? 1 : 0)); + // This is log10(2**mantissabits) as log2(2**mantissabits)/log2(10), + // + 1.0 rounding bias. + double dchars = mantissabits / 3.321928094887362 + 1.0; + if (fmtLetter == 'd') dchars++; // space for sign + const int nchars = int(dchars); + pfmt = string("%") + cvtToStr(nchars) + fmtLetter; + } else { + pfmt = string("%") + vfmt + fmtLetter; + } + emitDispState.pushFormat(pfmt); + if (!ignore) { + if (argp->dtypep()->basicp()->keyword() == AstBasicDTypeKwd::STRING) { + // string in SystemVerilog is std::string in C++ which is not POD + emitDispState.pushArg(' ', nullptr, "-1"); + } else { + emitDispState.pushArg(' ', nullptr, cvtToStr(argp->widthMin())); + } + emitDispState.pushArg(fmtLetter, argp, ""); + if (fmtLetter == 't' || fmtLetter == '^') { + AstSFormatF* fmtp = nullptr; + if (AstDisplay* nodep = VN_CAST(dispp, Display)) + fmtp = nodep->fmtp(); + else if (AstSFormat* nodep = VN_CAST(dispp, SFormat)) + fmtp = nodep->fmtp(); + else + fmtp = VN_CAST(dispp, SFormatF); + UASSERT_OBJ(fmtp, dispp, + "Use of %t must be under AstDisplay, AstSFormat, or AstSFormatF"); + UASSERT_OBJ(!fmtp->timeunit().isNone(), fmtp, "timenunit must be set"); + emitDispState.pushArg(' ', nullptr, cvtToStr((int)fmtp->timeunit().powerOfTen())); + } + } else { + emitDispState.pushArg(fmtLetter, nullptr, ""); + } +} + +void EmitCFunc::displayNode(AstNode* nodep, AstScopeName* scopenamep, const string& vformat, + AstNode* exprsp, bool isScan) { + AstNode* elistp = exprsp; + + // Convert Verilog display to C printf formats + // "%0t" becomes "%d" + emitDispState.clear(); + string vfmt; + string::const_iterator pos = vformat.begin(); + bool inPct = false; + bool ignore = false; + for (; pos != vformat.end(); ++pos) { + // UINFO(1, "Parse '" << *pos << "' IP" << inPct << " List " << cvtToHex(elistp) << endl); + if (!inPct && pos[0] == '%') { + inPct = true; + ignore = false; + vfmt = ""; + } else if (!inPct) { // Normal text + emitDispState.pushFormat(*pos); + } else { // Format character + inPct = false; + switch (tolower(pos[0])) { + case '0': // FALLTHRU + case '1': // FALLTHRU + case '2': // FALLTHRU + case '3': // FALLTHRU + case '4': // FALLTHRU + case '5': // FALLTHRU + case '6': // FALLTHRU + case '7': // FALLTHRU + case '8': // FALLTHRU + case '9': // FALLTHRU + case '.': // FALLTHRU + case '-': + // Digits, like %5d, etc. + vfmt += pos[0]; + inPct = true; // Get more digits + break; + case '%': + emitDispState.pushFormat("%%"); // We're printf'ing it, so need to quote the % + break; + case '*': + vfmt += pos[0]; + inPct = true; // Get more digits + ignore = true; + break; + // Special codes + case '~': + displayArg(nodep, &elistp, isScan, vfmt, ignore, 'd'); + break; // Signed decimal + case '@': + displayArg(nodep, &elistp, isScan, vfmt, ignore, '@'); + break; // Packed string + // Spec: h d o b c l + case 'b': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'b'); break; + case 'c': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'c'); break; + case 't': displayArg(nodep, &elistp, isScan, vfmt, ignore, 't'); break; + case 'd': + displayArg(nodep, &elistp, isScan, vfmt, ignore, '#'); + break; // Unsigned decimal + case 'o': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'o'); break; + case 'h': // FALLTHRU + case 'x': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'x'); break; + case 's': displayArg(nodep, &elistp, isScan, vfmt, ignore, 's'); break; + case 'e': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'e'); break; + case 'f': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'f'); break; + case 'g': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'g'); break; + case '^': displayArg(nodep, &elistp, isScan, vfmt, ignore, '^'); break; // Realtime + case 'v': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'v'); break; + case 'u': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'u'); break; + case 'z': displayArg(nodep, &elistp, isScan, vfmt, ignore, 'z'); break; + case 'm': { + UASSERT_OBJ(scopenamep, nodep, "Display with %m but no AstScopeName"); + const string suffix = scopenamep->scopePrettySymName(); + if (suffix == "") { + emitDispState.pushFormat("%S"); + } else { + emitDispState.pushFormat("%N"); // Add a . when needed + } + emitDispState.pushArg(' ', nullptr, "vlSymsp->name()"); + emitDispState.pushFormat(suffix); + break; + } + case 'l': { + // Better than not compiling + emitDispState.pushFormat("----"); + break; + } + default: + nodep->v3error("Unknown $display-like format code: '%" << pos[0] << "'"); + break; + } + } + } + if (VL_UNCOVERABLE(elistp)) { + // expectFormat also checks this, and should have found it first, so internal + elistp->v3error("Internal: Extra arguments for $display-like format"); // LCOV_EXCL_LINE + } + displayEmit(nodep, isScan); +} + +void EmitCFunc::emitVarList(AstNode* firstp, EisWhich which, const string& prefixIfImp, + string& sectionr) { + // Put out a list of signal declarations + // in order of 0:clocks, 1:vluint8, 2:vluint16, 4:vluint32, 5:vluint64, 6:wide, 7:arrays + // This aids cache packing and locality + // + // Largest->smallest reduces the number of pad variables. Also + // experimented with alternating between large->small and small->large + // on successive Mtask groups, but then when a new mtask gets added may + // cause a huge delta. + // + // TODO: Move this sort to an earlier visitor stage. + VarSortMap varAnonMap; + VarSortMap varNonanonMap; + + for (int isstatic = 1; isstatic >= 0; isstatic--) { + if (prefixIfImp != "" && !isstatic) continue; + for (AstNode* nodep = firstp; nodep; nodep = nodep->nextp()) { + if (const AstVar* varp = VN_CAST(nodep, Var)) { + bool doit = true; + switch (which) { + case EVL_CLASS_IO: doit = varp->isIO(); break; + case EVL_CLASS_SIG: + doit = ((varp->isSignal() || varp->isClassMember()) && !varp->isIO()); + break; + case EVL_CLASS_TEMP: doit = (varp->isTemp() && !varp->isIO()); break; + case EVL_CLASS_PAR: + doit = (varp->isParam() && !VN_IS(varp->valuep(), Const)); + break; + case EVL_CLASS_ALL: doit = true; break; + case EVL_FUNC_ALL: doit = true; break; + default: v3fatalSrc("Bad Case"); + } + if (varp->isStatic() ? !isstatic : isstatic) doit = false; + if (doit) { + const int sigbytes = varp->dtypeSkipRefp()->widthAlignBytes(); + int sortbytes = 9; + if (varp->isUsedClock() && varp->widthMin() == 1) { + sortbytes = 0; + } else if (VN_IS(varp->dtypeSkipRefp(), UnpackArrayDType)) { + sortbytes = 8; + } else if (varp->basicp() && varp->basicp()->isOpaque()) { + sortbytes = 7; + } else if (varp->isScBv() || varp->isScBigUint()) { + sortbytes = 6; + } else if (sigbytes == 8) { + sortbytes = 5; + } else if (sigbytes == 4) { + sortbytes = 4; + } else if (sigbytes == 2) { + sortbytes = 2; + } else if (sigbytes == 1) { + sortbytes = 1; + } + const bool anonOk + = (v3Global.opt.compLimitMembers() != 0 // Enabled + && !varp->isStatic() && !varp->isIO() // Confusing to user + && !varp->isSc() // Aggregates can't be anon + && (varp->basicp() + && !varp->basicp()->isOpaque()) // Aggregates can't be anon + && which != EVL_FUNC_ALL); // Anon not legal in funcs, and gcc + // bug free there anyhow + if (anonOk) { + varAnonMap[sortbytes].push_back(varp); + } else { + varNonanonMap[sortbytes].push_back(varp); + } + } + } + } + } + + if (!varAnonMap.empty() || !varNonanonMap.empty()) { + if (!sectionr.empty()) { + puts(sectionr); + sectionr = ""; + } + VarVec anons; + VarVec nonanons; + emitVarSort(varAnonMap, &anons); + emitVarSort(varNonanonMap, &nonanons); + emitSortedVarList(anons, nonanons, prefixIfImp); + } +} + +void EmitCFunc::emitVarSort(const VarSortMap& vmap, VarVec* sortedp) { + UASSERT(sortedp->empty(), "Sorted should be initially empty"); + if (!v3Global.opt.mtasks()) { + // Plain old serial mode. Sort by size, from small to large, + // to optimize for both packing and small offsets in code. + for (const auto& itr : vmap) { + for (VarVec::const_iterator jt = itr.second.begin(); jt != itr.second.end(); ++jt) { + sortedp->push_back(*jt); + } + } + return; + } + + // MacroTask mode. Sort by MTask-affinity group first, size second. + using MTaskVarSortMap = std::map; + MTaskVarSortMap m2v; + for (VarSortMap::const_iterator it = vmap.begin(); it != vmap.end(); ++it) { + const int size_class = it->first; + const VarVec& vec = it->second; + for (const AstVar* varp : vec) { m2v[varp->mtaskIds()][size_class].push_back(varp); } + } + + // Create a TSP sort state for each MTaskIdSet footprint + V3TSP::StateVec states; + for (MTaskVarSortMap::iterator it = m2v.begin(); it != m2v.end(); ++it) { + states.push_back(new EmitVarTspSorter(it->first)); + } + + // Do the TSP sort + V3TSP::StateVec sorted_states; + V3TSP::tspSort(states, &sorted_states); + + for (V3TSP::StateVec::iterator it = sorted_states.begin(); it != sorted_states.end(); ++it) { + const EmitVarTspSorter* statep = dynamic_cast(*it); + const VarSortMap& localVmap = m2v[statep->mtaskIds()]; + // use rbegin/rend to sort size large->small + for (VarSortMap::const_reverse_iterator jt = localVmap.rbegin(); jt != localVmap.rend(); + ++jt) { + const VarVec& vec = jt->second; + for (VarVec::const_iterator kt = vec.begin(); kt != vec.end(); ++kt) { + sortedp->push_back(*kt); + } + } + VL_DO_DANGLING(delete statep, statep); + } +} + +void EmitCFunc::emitSortedVarList(const VarVec& anons, const VarVec& nonanons, + const string& prefixIfImp) { + string curVarCmt; + // Output anons + { + const int anonMembers = anons.size(); + const int lim = v3Global.opt.compLimitMembers(); + int anonL3s = 1; + int anonL2s = 1; + int anonL1s = 1; + if (anonMembers > (lim * lim * lim)) { + anonL3s = (anonMembers + (lim * lim * lim) - 1) / (lim * lim * lim); + anonL2s = lim; + anonL1s = lim; + } else if (anonMembers > (lim * lim)) { + anonL2s = (anonMembers + (lim * lim) - 1) / (lim * lim); + anonL1s = lim; + } else if (anonMembers > lim) { + anonL1s = (anonMembers + lim - 1) / lim; + } + if (anonL1s != 1) + puts("// Anonymous structures to workaround compiler member-count bugs\n"); + auto it = anons.cbegin(); + for (int l3 = 0; l3 < anonL3s && it != anons.cend(); ++l3) { + if (anonL3s != 1) puts("struct {\n"); + for (int l2 = 0; l2 < anonL2s && it != anons.cend(); ++l2) { + if (anonL2s != 1) puts("struct {\n"); + for (int l1 = 0; l1 < anonL1s && it != anons.cend(); ++l1) { + if (anonL1s != 1) puts("struct {\n"); + for (int l0 = 0; l0 < lim && it != anons.cend(); ++l0) { + const AstVar* varp = *it; + emitVarDecl(varp, prefixIfImp); + ++it; + } + if (anonL1s != 1) puts("};\n"); + } + if (anonL2s != 1) puts("};\n"); + } + if (anonL3s != 1) puts("};\n"); + } + // Leftovers, just in case off by one error somewhere above + for (; it != anons.end(); ++it) { + const AstVar* varp = *it; + emitVarDecl(varp, prefixIfImp); + } + } + // Output nonanons + for (const AstVar* varp : nonanons) { + if (varp->isIO() && varp->isSc()) { m_ctorVarsVec.push_back(varp); } + AstBasicDType* const basicp = varp->basicp(); + if (basicp && basicp->keyword().isMTaskState()) { m_ctorVarsVec.push_back(varp); } + emitVarDecl(varp, prefixIfImp); + } +} + +void EmitCFunc::emitCCallArgs(AstNodeCCall* nodep) { + bool comma = false; + if (nodep->funcp()->isLoose() && !nodep->funcp()->isStatic()) { + UASSERT_OBJ(!nodep->selfPointer().empty(), nodep, + "Call to loose method without self pointer"); + puts(nodep->selfPointerProtect(m_useSelfForThis)); + comma = true; + } + if (!nodep->argTypes().empty()) { + if (comma) puts(", "); + puts(nodep->argTypes()); + comma = true; + } + for (AstNode* subnodep = nodep->argsp(); subnodep; subnodep = subnodep->nextp()) { + if (comma) puts(", "); + iterate(subnodep); + comma = true; + } +} + +void EmitCFunc::emitDereference(const string& pointer) { + if (pointer[0] == '(' && pointer[1] == '&') { + // remove "address of" followed by immediate dereference + // Note: this relies on only the form '(&OBJECT)' being used by Verilator + puts(pointer.substr(2, pointer.length() - 3)); + puts("."); + } else { + puts(pointer); + puts("->"); + } +} + +void EmitCFunc::emitCvtPackStr(AstNode* nodep) { + if (const AstConst* constp = VN_CAST(nodep, Const)) { + putbs("std::string("); + putsQuoted(constp->num().toString()); + puts(")"); + } else { + putbs("VL_CVT_PACK_STR_N"); + emitIQW(nodep); + puts("("); + if (nodep->isWide()) { + // Note argument width, not node width (which is always 32) + puts(cvtToStr(nodep->widthWords())); + puts(", "); + } + iterateAndNextNull(nodep); + puts(")"); + } +} + +void EmitCFunc::emitCvtWideArray(AstNode* nodep, AstNode* fromp) { + putbs("VL_CVT_W_A("); + iterate(nodep); + puts(", "); + iterate(fromp); + putbs(".atDefault()"); // Not accessed; only to get the proper type of values + puts(")"); +} + +void EmitCFunc::emitConstant(AstConst* nodep, AstVarRef* assigntop, const string& assignString) { + // Put out constant set to the specified variable, or given variable in a string + if (nodep->num().isFourState()) { + nodep->v3warn(E_UNSUPPORTED, "Unsupported: 4-state numbers in this context"); + } else if (nodep->num().isString()) { + putbs("std::string("); + putsQuoted(nodep->num().toString()); + puts(")"); + } else if (nodep->isWide()) { + int upWidth = nodep->num().widthMin(); + int chunks = 0; + if (upWidth > EMITC_NUM_CONSTW * VL_EDATASIZE) { + // Output e.g. 8 words in groups of e.g. 8 + chunks = (upWidth - 1) / (EMITC_NUM_CONSTW * VL_EDATASIZE); + upWidth %= (EMITC_NUM_CONSTW * VL_EDATASIZE); + if (upWidth == 0) upWidth = (EMITC_NUM_CONSTW * VL_EDATASIZE); + } + { // Upper e.g. 8 words + if (chunks) { + putbs("VL_CONSTHI_W_"); + puts(cvtToStr(VL_WORDS_I(upWidth))); + puts("X("); + puts(cvtToStr(nodep->widthMin())); + puts(","); + puts(cvtToStr(chunks * EMITC_NUM_CONSTW * VL_EDATASIZE)); + } else { + putbs("VL_CONST_W_"); + puts(cvtToStr(VL_WORDS_I(upWidth))); + puts("X("); + puts(cvtToStr(nodep->widthMin())); + } + puts(","); + if (!assigntop) { + puts(assignString); + } else if (VN_IS(assigntop, VarRef)) { + if (!assigntop->selfPointer().empty()) { + emitDereference(assigntop->selfPointerProtect(m_useSelfForThis)); + } + puts(assigntop->varp()->nameProtect()); + } else { + iterateAndNextNull(assigntop); + } + for (int word = VL_WORDS_I(upWidth) - 1; word >= 0; word--) { + // Only 32 bits - llx + long long here just to appease CPP format warning + ofp()->printf(",0x%08" VL_PRI64 "x", + static_cast( + nodep->num().edataWord(word + chunks * EMITC_NUM_CONSTW))); + } + puts(")"); + } + for (chunks--; chunks >= 0; chunks--) { + puts(";\n"); + putbs("VL_CONSTLO_W_"); + puts(cvtToStr(EMITC_NUM_CONSTW)); + puts("X("); + puts(cvtToStr(chunks * EMITC_NUM_CONSTW * VL_EDATASIZE)); + puts(","); + if (!assigntop) { + puts(assignString); + } else if (VN_IS(assigntop, VarRef)) { + if (!assigntop->selfPointer().empty()) { + emitDereference(assigntop->selfPointerProtect(m_useSelfForThis)); + } + puts(assigntop->varp()->nameProtect()); + } else { + iterateAndNextNull(assigntop); + } + for (int word = EMITC_NUM_CONSTW - 1; word >= 0; word--) { + // Only 32 bits - llx + long long here just to appease CPP format warning + ofp()->printf(",0x%08" VL_PRI64 "x", + static_cast( + nodep->num().edataWord(word + chunks * EMITC_NUM_CONSTW))); + } + puts(")"); + } + } else if (nodep->isDouble()) { + if (int(nodep->num().toDouble()) == nodep->num().toDouble() + && nodep->num().toDouble() < 1000 && nodep->num().toDouble() > -1000) { + ofp()->printf("%3.1f", nodep->num().toDouble()); // Force decimal point + } else { + // Not %g as will not always put in decimal point, so not obvious to compiler + // is a real number + ofp()->printf("%.17e", nodep->num().toDouble()); + } + } else if (nodep->isQuad()) { + vluint64_t num = nodep->toUQuad(); + if (num < 10) { + ofp()->printf("%" VL_PRI64 "uULL", num); + } else { + ofp()->printf("0x%" VL_PRI64 "xULL", num); + } + } else { + uint32_t num = nodep->toUInt(); + // Only 32 bits - llx + long long here just to appease CPP format warning + if (num < 10) { + puts(cvtToStr(num)); + } else { + ofp()->printf("0x%" VL_PRI64 "x", static_cast(num)); + } + // If signed, we'll do our own functions + // But must be here, or <= comparisons etc may end up signed + puts("U"); + } +} + +void EmitCFunc::emitSetVarConstant(const string& assignString, AstConst* constp) { + if (!constp->isWide()) { + puts(assignString); + puts(" = "); + } + emitConstant(constp, nullptr, assignString); + puts(";\n"); +} + +void EmitCFunc::emitVarReset(AstVar* varp) { + AstNodeDType* const dtypep = varp->dtypep()->skipRefp(); + const string varNameProtected + = VN_IS(m_modp, Class) ? varp->nameProtect() : "vlSelf->" + varp->nameProtect(); + if (varp->isIO() && m_modp->isTop() && optSystemC()) { + // System C top I/O doesn't need loading, as the lower level subinst code does it.} + } else if (varp->isParam()) { + UASSERT_OBJ(varp->valuep(), varp, "No init for a param?"); + // If a simple CONST value we initialize it using an enum + // If an ARRAYINIT we initialize it using an initial block similar to a signal + // puts("// parameter "+varp->nameProtect()+" = "+varp->valuep()->name()+"\n"); + } else if (AstInitArray* initarp = VN_CAST(varp->valuep(), InitArray)) { + if (AstUnpackArrayDType* adtypep = VN_CAST(dtypep, UnpackArrayDType)) { + if (initarp->defaultp()) { + puts("for (int __Vi=0; __Vi<" + cvtToStr(adtypep->elementsConst())); + puts("; ++__Vi) {\n"); + emitSetVarConstant(varNameProtected + "[__Vi]", + VN_CAST(initarp->defaultp(), Const)); + puts("}\n"); + } + const AstInitArray::KeyItemMap& mapr = initarp->map(); + for (const auto& itr : mapr) { + AstNode* valuep = itr.second->valuep(); + emitSetVarConstant(varNameProtected + "[" + cvtToStr(itr.first) + "]", + VN_CAST(valuep, Const)); + } + } else { + varp->v3fatalSrc("InitArray under non-arrayed var"); + } + } else { + puts(emitVarResetRecurse(varp, varNameProtected, dtypep, 0, "")); + } +} + +string EmitCFunc::emitVarResetRecurse(const AstVar* varp, const string& varNameProtected, + AstNodeDType* dtypep, int depth, const string& suffix) { + dtypep = dtypep->skipRefp(); + AstBasicDType* basicp = dtypep->basicp(); + // Returns string to do resetting, empty to do nothing (which caller should handle) + if (AstAssocArrayDType* adtypep = VN_CAST(dtypep, AssocArrayDType)) { + // Access std::array as C array + const string cvtarray = (adtypep->subDTypep()->isWide() ? ".data()" : ""); + return emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), depth + 1, + suffix + ".atDefault()" + cvtarray); + } else if (VN_IS(dtypep, ClassRefDType)) { + return ""; // Constructor does it + } else if (AstDynArrayDType* adtypep = VN_CAST(dtypep, DynArrayDType)) { + // Access std::array as C array + const string cvtarray = (adtypep->subDTypep()->isWide() ? ".data()" : ""); + return emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), depth + 1, + suffix + ".atDefault()" + cvtarray); + } else if (AstQueueDType* adtypep = VN_CAST(dtypep, QueueDType)) { + // Access std::array as C array + const string cvtarray = (adtypep->subDTypep()->isWide() ? ".data()" : ""); + return emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), depth + 1, + suffix + ".atDefault()" + cvtarray); + } else if (AstUnpackArrayDType* adtypep = VN_CAST(dtypep, UnpackArrayDType)) { + UASSERT_OBJ(adtypep->hi() >= adtypep->lo(), varp, + "Should have swapped msb & lsb earlier."); + const string ivar = string("__Vi") + cvtToStr(depth); + const string pre = ("for (int " + ivar + "=" + cvtToStr(0) + "; " + ivar + "<" + + cvtToStr(adtypep->elementsConst()) + "; ++" + ivar + ") {\n"); + const string below = emitVarResetRecurse(varp, varNameProtected, adtypep->subDTypep(), + depth + 1, suffix + "[" + ivar + "]"); + const string post = "}\n"; + return below.empty() ? "" : pre + below + post; + } else if (basicp && basicp->keyword() == AstBasicDTypeKwd::STRING) { + // String's constructor deals with it + return ""; + } else if (basicp) { + bool zeroit + = (varp->attrFileDescr() // Zero so we don't core dump if never $fopen + || (basicp && basicp->isZeroInit()) + || (v3Global.opt.underlineZero() && !varp->name().empty() && varp->name()[0] == '_') + || (v3Global.opt.xInitial() == "fast" || v3Global.opt.xInitial() == "0")); + splitSizeInc(1); + if (dtypep->isWide()) { // Handle unpacked; not basicp->isWide + string out; + if (varp->valuep()) { + AstConst* const constp = VN_CAST(varp->valuep(), Const); + if (!constp) varp->v3fatalSrc("non-const initializer for variable"); + for (int w = 0; w < varp->widthWords(); ++w) { + out += varNameProtected + suffix + "[" + cvtToStr(w) + "] = "; + out += cvtToStr(constp->num().edataWord(w)) + "U;\n"; + } + } else { + out += zeroit ? "VL_ZERO_RESET_W(" : "VL_RAND_RESET_W("; + out += cvtToStr(dtypep->widthMin()); + out += ", " + varNameProtected + suffix + ");\n"; + } + return out; + } else { + string out = varNameProtected + suffix; + // If --x-initial-edge is set, we want to force an initial + // edge on uninitialized clocks (from 'X' to whatever the + // first value is). Since the class is instantiated before + // initial blocks are evaluated, this should not clash + // with any initial block settings. + if (zeroit || (v3Global.opt.xInitialEdge() && varp->isUsedClock())) { + out += " = 0;\n"; + } else { + out += " = VL_RAND_RESET_"; + out += dtypep->charIQWN(); + out += "(" + cvtToStr(dtypep->widthMin()) + ");\n"; + } + return out; + } + } else { + v3fatalSrc("Unknown node type in reset generator: " << varp->prettyTypeName()); + } + return ""; +} + +void EmitCFunc::doubleOrDetect(AstChangeDet* changep, bool& gotOne) { + // cppcheck-suppress variableScope + static int s_addDoubleOr = 10; // Determined experimentally as best + if (!changep->rhsp()) { + if (!gotOne) { + gotOne = true; + } else { + puts(" | "); + } + iterateAndNextNull(changep->lhsp()); + } else { + AstNode* lhsp = changep->lhsp(); + AstNode* rhsp = changep->rhsp(); + UASSERT_OBJ(VN_IS(lhsp, VarRef) || VN_IS(lhsp, ArraySel), changep, "Not ref?"); + UASSERT_OBJ(VN_IS(rhsp, VarRef) || VN_IS(rhsp, ArraySel), changep, "Not ref?"); + for (int word = 0; word < (changep->lhsp()->isWide() ? changep->lhsp()->widthWords() : 1); + ++word) { + if (!gotOne) { + gotOne = true; + s_addDoubleOr = 10; + puts("("); + } else if (--s_addDoubleOr == 0) { + puts("|| ("); + s_addDoubleOr = 10; + } else { + puts(" | ("); + } + iterateAndNextNull(changep->lhsp()); + if (changep->lhsp()->isWide()) puts("[" + cvtToStr(word) + "]"); + if (changep->lhsp()->isDouble()) { + puts(" != "); + } else { + puts(" ^ "); + } + iterateAndNextNull(changep->rhsp()); + if (changep->lhsp()->isWide()) puts("[" + cvtToStr(word) + "]"); + puts(")"); + } + } +} + +void EmitCFunc::emitChangeDet() { + putsDecoration("// Change detection\n"); + puts("QData __req = false; // Logically a bool\n"); // But not because it results in + // faster code + bool gotOne = false; + for (AstChangeDet* changep : m_blkChangeDetVec) { + if (changep->lhsp()) { + if (!gotOne) { // Not a clocked block + puts("__req |= ("); + } else { + puts("\n"); + } + doubleOrDetect(changep, gotOne); + } + } + if (gotOne) puts(");\n"); + if (gotOne && !v3Global.opt.protectIds()) { + // puts("VL_DEBUG_IF( if (__req) cout<<\"- CLOCKREQ );"); + for (AstChangeDet* nodep : m_blkChangeDetVec) { + if (nodep->lhsp()) { + puts("VL_DEBUG_IF( if(__req && ("); + bool gotOneIgnore = false; + doubleOrDetect(nodep, gotOneIgnore); + string varname; + if (VN_IS(nodep->lhsp(), VarRef)) { + varname = ": " + VN_CAST(nodep->lhsp(), VarRef)->varp()->prettyName(); + } + puts(")) VL_DBG_MSGF(\" CHANGE: "); + puts(protect(nodep->fileline()->filename())); + puts(":" + cvtToStr(nodep->fileline()->lineno())); + puts(varname + "\\n\"); );\n"); + } + } + } +} diff --git a/src/V3EmitCFunc.h b/src/V3EmitCFunc.h new file mode 100644 index 000000000..bee0293a4 --- /dev/null +++ b/src/V3EmitCFunc.h @@ -0,0 +1,1257 @@ +// -*- mode: C++; c-file-style: "cc-mode" -*- +//************************************************************************* +// DESCRIPTION: Verilator: Emit C++ for tree +// +// Code available from: https://verilator.org +// +//************************************************************************* +// +// Copyright 2003-2021 by Wilson Snyder. This program is free software; you +// can redistribute it and/or modify it under the terms of either the GNU +// Lesser General Public License Version 3 or the Perl Artistic License +// Version 2.0. +// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 +// +//************************************************************************* + +#ifndef VERILATOR_V3EMITCFUNC_H_ +#define VERILATOR_V3EMITCFUNC_H_ + +#include "config_build.h" +#include "verilatedos.h" + +#include "V3Global.h" +#include "V3EmitCBase.h" + +#include +#include +#include +#include + +// Number of VL_CONST_W_*X's in verilated.h (IE VL_CONST_W_8X is last) +constexpr int EMITC_NUM_CONSTW = 8; + +//###################################################################### +// Emit lazy forward declarations + +class EmitCLazyDecls final : public AstNVisitor { + // NODE STATE/TYPES + // AstNode::user2() -> bool. Already emitted decl for symbols. + AstUser2InUse m_inuser2; + + // MEMBERS + std::unordered_set m_emittedManually; // Set of names already declared manually. + EmitCBaseVisitor& m_emitter; // For access to file output + bool m_needsBlankLine = false; // Emit blank line if any declarations were emitted (cosmetic) + + // METHODS + void lazyDeclare(AstCFunc* funcp) { + // Already declared in this compilation unit + if (funcp->user2SetOnce()) return; + // Check if this kind of function is lazily declared + if (!(funcp->isMethod() && funcp->isLoose()) && !funcp->dpiImportPrototype()) return; + // Already declared manually + if (m_emittedManually.count(funcp->nameProtect())) return; + // Needs lazy declaration, emit one + m_emitter.emitCFuncDecl(funcp, VN_CAST_CONST(funcp->user4p(), NodeModule), + funcp->dpiImportPrototype()); + m_needsBlankLine = true; + } + + void lazyDeclareConstPoolVar(AstVar* varp) { + if (varp->user2SetOnce()) return; // Already declared + const string nameProtect + = m_emitter.topClassName() + "__ConstPool__" + varp->nameProtect(); + m_emitter.puts("extern const "); + m_emitter.puts(varp->dtypep()->cType(nameProtect, false, false)); + m_emitter.puts(";\n"); + m_needsBlankLine = true; + } + + // VISITORS + virtual void visit(AstNodeCCall* nodep) override { + lazyDeclare(nodep->funcp()); + iterateChildren(nodep); + } + + virtual void visit(AstAddrOfCFunc* nodep) override { + lazyDeclare(nodep->funcp()); + iterateChildren(nodep); + } + + virtual void visit(AstVarRef* nodep) override { + AstVar* const varp = nodep->varp(); + // Only constant pool symbols are lazy declared for now ... + if (EmitCBaseVisitor::isConstPoolMod(varp->user4p())) { lazyDeclareConstPoolVar(varp); } + } + + virtual void visit(AstNode* nodep) override { iterateChildrenConst(nodep); } + + VL_DEBUG_FUNC; + +public: + EmitCLazyDecls(EmitCBaseVisitor& emitter) + : m_emitter(emitter) {} + void emit(AstNode* nodep) { + m_needsBlankLine = false; + iterateChildrenConst(nodep); + if (m_needsBlankLine) m_emitter.puts("\n"); + } + void emit(const string& prefix, const string& name, const string& suffix) { + m_emittedManually.insert(name); + m_emitter.ensureNewLine(); + m_emitter.puts(prefix); + m_emitter.puts(name); + m_emitter.puts(suffix); + m_emitter.ensureNewLine(); + } + void declared(AstCFunc* nodep) { nodep->user2SetOnce(); } + void reset() { AstNode::user2ClearTree(); } +}; + +//###################################################################### +// Emit statements and math operators + +class EmitCFunc VL_NOT_FINAL : public EmitCBaseVisitor { +private: + using VarVec = std::vector; + using VarSortMap = std::map; // Map size class to VarVec + + bool m_suppressSemi; + AstVarRef* m_wideTempRefp; // Variable that _WW macros should be setting + VarVec m_ctorVarsVec; // All variables in constructor order + int m_labelNum; // Next label number + int m_splitSize; // # of cfunc nodes placed into output file + int m_splitFilenum; // File number being created, 0 = primary + bool m_inUC = false; // Inside an AstUCStmt or AstUCMath + std::vector m_blkChangeDetVec; // All encountered changes in block + +protected: + EmitCLazyDecls m_lazyDecls; // Visitor for emitting lazy declarations + bool m_useSelfForThis = false; // Replace "this" with "vlSelf" + AstNodeModule* m_modp = nullptr; // Current module being emitted + +public: + // METHODS + VL_DEBUG_FUNC; // Declare debug() + + // ACCESSORS + int splitFilenumInc() { + m_splitSize = 0; + return ++m_splitFilenum; + } + int splitSize() const { return m_splitSize; } + void splitSizeInc(int count) { m_splitSize += count; } + void splitSizeInc(AstNode* nodep) { splitSizeInc(EmitCBaseCounterVisitor(nodep).count()); } + bool splitNeeded() const { + return v3Global.opt.outputSplit() && splitSize() >= v3Global.opt.outputSplit(); + } + + // METHODS + void displayNode(AstNode* nodep, AstScopeName* scopenamep, const string& vformat, + AstNode* exprsp, bool isScan); + void displayEmit(AstNode* nodep, bool isScan); + void displayArg(AstNode* dispp, AstNode** elistp, bool isScan, const string& vfmt, bool ignore, + char fmtLetter); + + enum EisWhich : uint8_t { + EVL_CLASS_IO, + EVL_CLASS_SIG, + EVL_CLASS_TEMP, + EVL_CLASS_PAR, + EVL_CLASS_ALL, + EVL_FUNC_ALL + }; + void emitVarList(AstNode* firstp, EisWhich which, const string& prefixIfImp, string& sectionr); + static void emitVarSort(const VarSortMap& vmap, VarVec* sortedp); + void emitSortedVarList(const VarVec& anons, const VarVec& nonanons, const string& prefixIfImp); + void emitVarCtors(bool* firstp); + void emitCtorSep(bool* firstp); + bool emitSimpleOk(AstNodeMath* nodep); + void emitIQW(AstNode* nodep) { + // Other abbrevs: "C"har, "S"hort, "F"loat, "D"ouble, stri"N"g + puts(nodep->dtypep()->charIQWN()); + } + void emitScIQW(AstVar* nodep) { + UASSERT_OBJ(nodep->isSc(), nodep, "emitting SystemC operator on non-SC variable"); + // clang-format off + puts(nodep->isScBigUint() ? "SB" + : nodep->isScUint() ? "SU" + : nodep->isScBv() ? "SW" + : (nodep->isScQuad() ? "SQ" : "SI")); + // clang-format on + } + void emitDatap(AstNode* nodep) { + // When passing to a function with va_args the compiler doesn't + // know need a pointer so when wide, need to look inside VlWide + if (nodep->isWide()) puts(".data()"); + } + void emitOpName(AstNode* nodep, const string& format, AstNode* lhsp, AstNode* rhsp, + AstNode* thsp); + void emitCCallArgs(AstNodeCCall* nodep); + void emitDereference(const string& pointer); + void emitCvtPackStr(AstNode* nodep); + void emitCvtWideArray(AstNode* nodep, AstNode* fromp); + void emitConstant(AstConst* nodep, AstVarRef* assigntop, const string& assignString); + void emitSetVarConstant(const string& assignString, AstConst* constp); + void emitVarReset(AstVar* varp); + string emitVarResetRecurse(const AstVar* varp, const string& varNameProtected, + AstNodeDType* dtypep, int depth, const string& suffix); + void doubleOrDetect(AstChangeDet* changep, bool& gotOne); + void emitChangeDet(); + + // VISITORS + virtual void visit(AstCFunc* nodep) override { + VL_RESTORER(m_useSelfForThis); + + m_blkChangeDetVec.clear(); + + splitSizeInc(nodep); + + puts("\n"); + m_lazyDecls.emit(nodep); + if (nodep->ifdef() != "") puts("#ifdef " + nodep->ifdef() + "\n"); + if (nodep->isInline()) puts("VL_INLINE_OPT "); + emitCFuncHeader(nodep, m_modp, /* withScope: */ true); + + // TODO perhaps better to have a new AstCCtorInit so we can pass arguments + // rather than requiring a string here + if (!nodep->ctorInits().empty()) { + puts(": "); + puts(nodep->ctorInits()); + } + puts(" {\n"); + + if (nodep->isLoose()) { + m_lazyDecls.declared(nodep); // Defined here, so no longer needs declaration + if (!nodep->isStatic()) { // Standard prologue + m_useSelfForThis = true; + puts("if (false && vlSelf) {} // Prevent unused\n"); + if (!VN_IS(m_modp, Class)) puts(symClassAssign()); + } + } + + // "+" in the debug indicates a print from the model + puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+ "); + for (int i = 0; i < m_modp->level(); ++i) { puts(" "); } + puts(prefixNameProtect(m_modp)); + puts(nodep->isLoose() ? "__" : "::"); + puts(nodep->nameProtect() + "\\n\"); );\n"); + + if (nodep->initsp()) putsDecoration("// Variables\n"); + for (AstNode* subnodep = nodep->argsp(); subnodep; subnodep = subnodep->nextp()) { + if (AstVar* varp = VN_CAST(subnodep, Var)) { + if (varp->isFuncReturn()) emitVarDecl(varp, ""); + } + } + string section; + emitVarList(nodep->initsp(), EVL_FUNC_ALL, "", section /*ref*/); + emitVarList(nodep->stmtsp(), EVL_FUNC_ALL, "", section /*ref*/); + + iterateAndNextNull(nodep->initsp()); + + if (nodep->stmtsp()) putsDecoration("// Body\n"); + iterateAndNextNull(nodep->stmtsp()); + if (!m_blkChangeDetVec.empty()) emitChangeDet(); + + if (nodep->finalsp()) putsDecoration("// Final\n"); + iterateAndNextNull(nodep->finalsp()); + // + + if (!m_blkChangeDetVec.empty()) puts("return __req;\n"); + + puts("}\n"); + if (nodep->ifdef() != "") puts("#endif // " + nodep->ifdef() + "\n"); + } + + virtual void visit(AstNodeAssign* nodep) override { + bool paren = true; + bool decind = false; + if (AstSel* selp = VN_CAST(nodep->lhsp(), Sel)) { + if (selp->widthMin() == 1) { + putbs("VL_ASSIGNBIT_"); + emitIQW(selp->fromp()); + if (nodep->rhsp()->isAllOnesV()) { + puts("O("); + } else { + puts("I("); + } + puts(cvtToStr(nodep->widthMin()) + ","); + iterateAndNextNull(selp->lsbp()); + puts(", "); + iterateAndNextNull(selp->fromp()); + puts(", "); + } else { + putbs("VL_ASSIGNSEL_"); + emitIQW(selp->fromp()); + puts("II"); + emitIQW(nodep->rhsp()); + puts("("); + puts(cvtToStr(selp->fromp()->widthMin()) + ","); + puts(cvtToStr(nodep->widthMin()) + ","); + iterateAndNextNull(selp->lsbp()); + puts(", "); + iterateAndNextNull(selp->fromp()); + puts(", "); + } + } else if (AstGetcRefN* selp = VN_CAST(nodep->lhsp(), GetcRefN)) { + iterateAndNextNull(selp->lhsp()); + puts(" = "); + putbs("VL_PUTC_N("); + iterateAndNextNull(selp->lhsp()); + puts(", "); + iterateAndNextNull(selp->rhsp()); + puts(", "); + } else if (AstVar* varp = AstVar::scVarRecurse(nodep->lhsp())) { + putbs("VL_ASSIGN_"); // Set a systemC variable + emitScIQW(varp); + emitIQW(nodep); + puts("("); + puts(cvtToStr(nodep->widthMin()) + ","); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + } else if (AstVar* varp = AstVar::scVarRecurse(nodep->rhsp())) { + putbs("VL_ASSIGN_"); // Get a systemC variable + emitIQW(nodep); + emitScIQW(varp); + puts("("); + puts(cvtToStr(nodep->widthMin()) + ","); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + } else if (nodep->isWide() && VN_IS(nodep->lhsp(), VarRef) // + && !VN_IS(nodep->rhsp(), CMath) // + && !VN_IS(nodep->rhsp(), CMethodHard) // + && !VN_IS(nodep->rhsp(), VarRef) // + && !VN_IS(nodep->rhsp(), AssocSel) // + && !VN_IS(nodep->rhsp(), ArraySel)) { + // Wide functions assign into the array directly, don't need separate assign statement + m_wideTempRefp = VN_CAST(nodep->lhsp(), VarRef); + paren = false; + } else if (nodep->isWide()) { + putbs("VL_ASSIGN_W("); + puts(cvtToStr(nodep->widthMin()) + ","); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + } else { + paren = false; + iterateAndNextNull(nodep->lhsp()); + puts(" "); + ofp()->blockInc(); + decind = true; + if (!VN_IS(nodep->rhsp(), Const)) ofp()->putBreak(); + puts("= "); + } + iterateAndNextNull(nodep->rhsp()); + if (paren) puts(")"); + if (decind) ofp()->blockDec(); + if (!m_suppressSemi) puts(";\n"); + } + virtual void visit(AstAlwaysPublic*) override {} + virtual void visit(AstAssocSel* nodep) override { + iterateAndNextNull(nodep->fromp()); + putbs(".at("); + AstAssocArrayDType* adtypep = VN_CAST(nodep->fromp()->dtypep(), AssocArrayDType); + UASSERT_OBJ(adtypep, nodep, "Associative select on non-associative type"); + if (adtypep->keyDTypep()->isWide()) { + emitCvtWideArray(nodep->bitp(), nodep->fromp()); + } else { + iterateAndNextNull(nodep->bitp()); + } + puts(")"); + } + virtual void visit(AstNodeCCall* nodep) override { + const AstCFunc* const funcp = nodep->funcp(); + if (AstCMethodCall* ccallp = VN_CAST(nodep, CMethodCall)) { + UASSERT_OBJ(!funcp->isLoose(), nodep, "Loose method called via AstCMethodCall"); + // make this a Ast type for future opt + iterate(ccallp->fromp()); + putbs("->"); + puts(funcp->nameProtect()); + } else if (funcp->dpiImportPrototype()) { + // Calling DPI import + puts(funcp->name()); + } else if (funcp->isProperMethod() && funcp->isStatic()) { + // Call static method via the containing class + puts(prefixNameProtect(funcp->user4p()) + "::"); + puts(funcp->nameProtect()); + } else if (VN_IS(funcp->user4p(), Class) && funcp->user4p() != m_modp) { + // Calling superclass method + puts(prefixNameProtect(funcp->user4p()) + "::"); + puts(funcp->nameProtect()); + } else if (funcp->isLoose()) { + // Calling loose method + puts(funcNameProtect(funcp)); + } else { + // Calling regular method/function + if (!nodep->selfPointer().empty()) { + emitDereference(nodep->selfPointerProtect(m_useSelfForThis)); + } + puts(funcp->nameProtect()); + } + puts("("); + emitCCallArgs(nodep); + if (VN_IS(nodep->backp(), NodeMath) || VN_IS(nodep->backp(), CReturn)) { + // We should have a separate CCall for math and statement usage, but... + puts(")"); + } else { + puts(");\n"); + } + } + virtual void visit(AstCMethodHard* nodep) override { + iterate(nodep->fromp()); + puts("."); + puts(nodep->nameProtect()); + puts("("); + bool comma = false; + for (AstNode* subnodep = nodep->pinsp(); subnodep; subnodep = subnodep->nextp()) { + if (comma) puts(", "); + // handle wide arguments to the queues + if (VN_IS(nodep->fromp()->dtypep(), QueueDType) && subnodep->dtypep()->isWide()) { + emitCvtWideArray(subnodep, nodep->fromp()); + } else { + iterate(subnodep); + } + comma = true; + } + puts(")"); + // Some are statements some are math. + if (nodep->isStatement()) puts(";\n"); + UASSERT_OBJ(!nodep->isStatement() || VN_IS(nodep->dtypep(), VoidDType), nodep, + "Statement of non-void data type"); + } + virtual void visit(AstLambdaArgRef* nodep) override { putbs(nodep->nameProtect()); } + virtual void visit(AstWith* nodep) override { + // With uses a C++11 lambda + putbs("[=]("); + if (auto* argrefp = nodep->indexArgRefp()) { + putbs(argrefp->dtypep()->cType(argrefp->nameProtect(), false, false)); + puts(","); + } + if (auto* argrefp = nodep->valueArgRefp()) { + putbs(argrefp->dtypep()->cType(argrefp->nameProtect(), false, false)); + } + // Probably fragile, V3Task may need to convert to a AstCReturn + puts(") { return "); + iterateAndNextNull(nodep->exprp()); + puts("; }\n"); + } + virtual void visit(AstIntfRef* nodep) override { + putsQuoted(VIdProtect::protectWordsIf(AstNode::vcdName(nodep->name()), nodep->protect())); + } + virtual void visit(AstNodeCase* nodep) override { // LCOV_EXCL_LINE + // In V3Case... + nodep->v3fatalSrc("Case statements should have been reduced out"); + } + virtual void visit(AstComment* nodep) override { + string at; + if (nodep->showAt()) { + at = " at " + nodep->fileline()->ascii(); + // If protecting, passthru less information about the design + if (!v3Global.opt.protectIds()) return; + } + if (!(nodep->protect() && v3Global.opt.protectIds())) { + putsDecoration(string("// ") + nodep->name() + at + "\n"); + } + iterateChildren(nodep); + } + virtual void visit(AstCoverDecl* nodep) override { + puts("vlSelf->__vlCoverInsert("); // As Declared in emitCoverageDecl + puts("&(vlSymsp->__Vcoverage["); + puts(cvtToStr(nodep->dataDeclThisp()->binNum())); + puts("])"); + // If this isn't the first instantiation of this module under this + // design, don't really count the bucket, and rely on verilator_cov to + // aggregate counts. This is because Verilator combines all + // hierarchies itself, and if verilator_cov also did it, you'd end up + // with (number-of-instant) times too many counts in this bin. + puts(", first"); // Enable, passed from __Vconfigure parameter + puts(", "); + putsQuoted(protect(nodep->fileline()->filename())); + puts(", "); + puts(cvtToStr(nodep->fileline()->lineno())); + puts(", "); + puts(cvtToStr(nodep->offset() + nodep->fileline()->firstColumn())); + puts(", "); + putsQuoted((!nodep->hier().empty() ? "." : "") + + protectWordsIf(nodep->hier(), nodep->protect())); + puts(", "); + putsQuoted(protectWordsIf(nodep->page(), nodep->protect())); + puts(", "); + putsQuoted(protectWordsIf(nodep->comment(), nodep->protect())); + puts(", "); + putsQuoted(nodep->linescov()); + puts(");\n"); + } + virtual void visit(AstCoverInc* nodep) override { + if (v3Global.opt.threads()) { + puts("vlSymsp->__Vcoverage["); + puts(cvtToStr(nodep->declp()->dataDeclThisp()->binNum())); + puts("].fetch_add(1, std::memory_order_relaxed);\n"); + } else { + puts("++(vlSymsp->__Vcoverage["); + puts(cvtToStr(nodep->declp()->dataDeclThisp()->binNum())); + puts("]);\n"); + } + } + virtual void visit(AstCReturn* nodep) override { + puts("return ("); + iterateAndNextNull(nodep->lhsp()); + puts(");\n"); + } + virtual void visit(AstDisplay* nodep) override { + string text = nodep->fmtp()->text(); + if (nodep->addNewline()) text += "\n"; + displayNode(nodep, nodep->fmtp()->scopeNamep(), text, nodep->fmtp()->exprsp(), false); + } + virtual void visit(AstDumpCtl* nodep) override { + switch (nodep->ctlType()) { + case VDumpCtlType::FILE: + puts("vlSymsp->_vm_contextp__->dumpfile("); + emitCvtPackStr(nodep->exprp()); + puts(");\n"); + break; + case VDumpCtlType::VARS: + // We ignore number of levels to dump in exprp() + if (v3Global.opt.trace()) { + puts("vlSymsp->_traceDumpOpen();\n"); + } else { + puts("VL_PRINTF_MT(\"-Info: "); + puts(protect(nodep->fileline()->filename())); + puts(":"); + puts(cvtToStr(nodep->fileline()->lineno())); + puts(": $dumpvar ignored, as Verilated without --trace"); + puts("\\n\");\n"); + } + break; + case VDumpCtlType::ALL: + // $dumpall currently ignored + break; + case VDumpCtlType::FLUSH: + // $dumpall currently ignored; would need rework of VCD single thread, + // or flag we pass-through to next eval() iteration + break; + case VDumpCtlType::LIMIT: + // $dumplimit currently ignored + break; + case VDumpCtlType::OFF: + // Currently ignored as both Vcd and Fst do not support them, as would need "X" dump + break; + case VDumpCtlType::ON: + // Currently ignored as $dumpoff is also ignored + break; + default: nodep->v3fatalSrc("Bad case, unexpected " << nodep->ctlType().ascii()); + } + } + virtual void visit(AstScopeName* nodep) override { + // For use under AstCCalls for dpiImports. ScopeNames under + // displays are handled in AstDisplay + if (!nodep->dpiExport()) { + // this is where the DPI import context scope is set + const string scope = nodep->scopeDpiName(); + putbs("(&(vlSymsp->" + protect("__Vscope_" + scope) + "))"); + } + } + virtual void visit(AstSFormat* nodep) override { + displayNode(nodep, nodep->fmtp()->scopeNamep(), nodep->fmtp()->text(), + nodep->fmtp()->exprsp(), false); + } + virtual void visit(AstSFormatF* nodep) override { + displayNode(nodep, nodep->scopeNamep(), nodep->text(), nodep->exprsp(), false); + } + virtual void visit(AstFScanF* nodep) override { + displayNode(nodep, nullptr, nodep->text(), nodep->exprsp(), true); + } + virtual void visit(AstSScanF* nodep) override { + displayNode(nodep, nullptr, nodep->text(), nodep->exprsp(), true); + } + virtual void visit(AstValuePlusArgs* nodep) override { + puts("VL_VALUEPLUSARGS_IN"); + emitIQW(nodep->outp()); + puts("("); + puts(cvtToStr(nodep->outp()->widthMin())); + puts(", "); + emitCvtPackStr(nodep->searchp()); + puts(", "); + putbs(""); + iterateAndNextNull(nodep->outp()); + puts(")"); + } + virtual void visit(AstTestPlusArgs* nodep) override { + puts("VL_TESTPLUSARGS_I("); + putsQuoted(nodep->text()); + puts(")"); + } + virtual void visit(AstFError* nodep) override { + puts("VL_FERROR_IN("); + iterateAndNextNull(nodep->filep()); + putbs(", "); + iterateAndNextNull(nodep->strp()); + puts(")"); + } + virtual void visit(AstFGetS* nodep) override { + checkMaxWords(nodep); + emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nullptr); + } + + void checkMaxWords(AstNode* nodep) { + if (nodep->widthWords() > VL_TO_STRING_MAX_WORDS) { + nodep->v3error( + "String of " + << nodep->width() + << " bits exceeds hardcoded limit VL_TO_STRING_MAX_WORDS in verilatedos.h"); + } + } + virtual void visit(AstFOpen* nodep) override { + iterateAndNextNull(nodep->filep()); + puts(" = VL_FOPEN_NN("); + emitCvtPackStr(nodep->filenamep()); + putbs(", "); + if (nodep->modep()->width() > 4 * 8) + nodep->modep()->v3error("$fopen mode should be <= 4 characters"); + emitCvtPackStr(nodep->modep()); + puts(");\n"); + } + virtual void visit(AstFOpenMcd* nodep) override { + iterateAndNextNull(nodep->filep()); + puts(" = VL_FOPEN_MCD_N("); + emitCvtPackStr(nodep->filenamep()); + puts(");\n"); + } + virtual void visit(AstNodeReadWriteMem* nodep) override { + puts(nodep->cFuncPrefixp()); + puts("N("); + puts(nodep->isHex() ? "true" : "false"); + putbs(", "); + // Need real storage width + puts(cvtToStr(nodep->memp()->dtypep()->subDTypep()->widthMin())); + uint32_t array_lo = 0; + { + const AstVarRef* varrefp = VN_CAST(nodep->memp(), VarRef); + if (!varrefp) { + nodep->v3error(nodep->verilogKwd() << " loading non-variable"); + } else if (VN_IS(varrefp->varp()->dtypeSkipRefp(), AssocArrayDType)) { + // nodep->memp() below will when verilated code is compiled create a C++ template + } else if (const AstUnpackArrayDType* adtypep + = VN_CAST(varrefp->varp()->dtypeSkipRefp(), UnpackArrayDType)) { + putbs(", "); + puts(cvtToStr(varrefp->varp()->dtypep()->arrayUnpackedElements())); + array_lo = adtypep->lo(); + putbs(", "); + puts(cvtToStr(array_lo)); + } else { + nodep->v3error(nodep->verilogKwd() + << " loading other than unpacked/associative-array variable"); + } + } + putbs(", "); + emitCvtPackStr(nodep->filenamep()); + putbs(", "); + { + const bool need_ptr = !VN_IS(nodep->memp()->dtypep(), AssocArrayDType); + if (need_ptr) puts(" &("); + iterateAndNextNull(nodep->memp()); + if (need_ptr) puts(")"); + } + putbs(", "); + if (nodep->lsbp()) { + iterateAndNextNull(nodep->lsbp()); + } else { + puts(cvtToStr(array_lo)); + } + putbs(", "); + if (nodep->msbp()) { + iterateAndNextNull(nodep->msbp()); + } else { + puts("~0ULL"); + } + puts(");\n"); + } + virtual void visit(AstFClose* nodep) override { + puts("VL_FCLOSE_I("); + iterateAndNextNull(nodep->filep()); + puts("); "); + iterateAndNextNull(nodep->filep()); // For safety, so user doesn't later WRITE with it. + puts(" = 0;\n"); + } + virtual void visit(AstFFlush* nodep) override { + if (!nodep->filep()) { + puts("Verilated::runFlushCallbacks();\n"); + } else { + puts("if ("); + iterateAndNextNull(nodep->filep()); + puts(") { VL_FFLUSH_I("); + iterateAndNextNull(nodep->filep()); + puts("); }\n"); + } + } + virtual void visit(AstFSeek* nodep) override { + puts("(VL_FSEEK_I("); + iterateAndNextNull(nodep->filep()); + puts(","); + iterateAndNextNull(nodep->offset()); + puts(","); + iterateAndNextNull(nodep->operation()); + puts(") == -1 ? -1 : 0)"); + } + virtual void visit(AstFTell* nodep) override { + puts("VL_FTELL_I("); + iterateAndNextNull(nodep->filep()); + puts(")"); + } + virtual void visit(AstFRewind* nodep) override { + puts("(VL_FSEEK_I("); + iterateAndNextNull(nodep->filep()); + puts(", 0, 0) == -1 ? -1 : 0)"); + } + virtual void visit(AstFRead* nodep) override { + puts("VL_FREAD_I("); + puts(cvtToStr(nodep->memp()->widthMin())); // Need real storage width + putbs(","); + uint32_t array_lo = 0; + uint32_t array_size = 0; + { + const AstVarRef* varrefp = VN_CAST(nodep->memp(), VarRef); + if (!varrefp) { + nodep->v3error(nodep->verilogKwd() << " loading non-variable"); + } else if (VN_CAST(varrefp->varp()->dtypeSkipRefp(), BasicDType)) { + } else if (const AstUnpackArrayDType* adtypep + = VN_CAST(varrefp->varp()->dtypeSkipRefp(), UnpackArrayDType)) { + array_lo = adtypep->lo(); + array_size = adtypep->elementsConst(); + } else { + nodep->v3error(nodep->verilogKwd() + << " loading other than unpacked-array variable"); + } + } + puts(cvtToStr(array_lo)); + putbs(","); + puts(cvtToStr(array_size)); + putbs(", "); + puts("&("); + iterateAndNextNull(nodep->memp()); + puts(")"); + putbs(", "); + iterateAndNextNull(nodep->filep()); + putbs(", "); + if (nodep->startp()) { + iterateAndNextNull(nodep->startp()); + } else { + puts(cvtToStr(array_lo)); + } + putbs(", "); + if (nodep->countp()) { + iterateAndNextNull(nodep->countp()); + } else { + puts(cvtToStr(array_size)); + } + puts(")"); + } + virtual void visit(AstSysFuncAsTask* nodep) override { + if (!nodep->lhsp()->isWide()) puts("(void)"); + iterateAndNextNull(nodep->lhsp()); + if (!nodep->lhsp()->isWide()) puts(";"); + } + virtual void visit(AstSystemT* nodep) override { + puts("(void)VL_SYSTEM_I"); + emitIQW(nodep->lhsp()); + puts("("); + if (nodep->lhsp()->isWide()) { + puts(cvtToStr(nodep->lhsp()->widthWords())); + putbs(", "); + } + checkMaxWords(nodep->lhsp()); + iterateAndNextNull(nodep->lhsp()); + puts(");\n"); + } + virtual void visit(AstSystemF* nodep) override { + puts("VL_SYSTEM_I"); + emitIQW(nodep->lhsp()); + puts("("); + if (nodep->lhsp()->isWide()) { + puts(cvtToStr(nodep->lhsp()->widthWords())); + putbs(", "); + } + checkMaxWords(nodep->lhsp()); + iterateAndNextNull(nodep->lhsp()); + puts(")"); + } + virtual void visit(AstJumpBlock* nodep) override { + nodep->labelNum(++m_labelNum); + puts("{\n"); // Make it visually obvious label jumps outside these + iterateAndNextNull(nodep->stmtsp()); + iterateAndNextNull(nodep->endStmtsp()); + puts("}\n"); + } + virtual void visit(AstJumpGo* nodep) override { + puts("goto __Vlabel" + cvtToStr(nodep->labelp()->blockp()->labelNum()) + ";\n"); + } + virtual void visit(AstJumpLabel* nodep) override { + puts("__Vlabel" + cvtToStr(nodep->blockp()->labelNum()) + ": ;\n"); + } + virtual void visit(AstWhile* nodep) override { + iterateAndNextNull(nodep->precondsp()); + puts("while ("); + iterateAndNextNull(nodep->condp()); + puts(") {\n"); + iterateAndNextNull(nodep->bodysp()); + iterateAndNextNull(nodep->incsp()); + iterateAndNextNull(nodep->precondsp()); // Need to recompute before next loop + puts("}\n"); + } + virtual void visit(AstNodeIf* nodep) override { + puts("if ("); + if (!nodep->branchPred().unknown()) { + puts(nodep->branchPred().ascii()); + puts("("); + } + iterateAndNextNull(nodep->condp()); + if (!nodep->branchPred().unknown()) puts(")"); + puts(") {\n"); + iterateAndNextNull(nodep->ifsp()); + puts("}"); + if (!nodep->elsesp()) { + puts("\n"); + } else { + if (VN_IS(nodep->elsesp(), NodeIf) && !nodep->elsesp()->nextp()) { + puts(" else "); + iterateAndNextNull(nodep->elsesp()); + } else { + puts(" else {\n"); + iterateAndNextNull(nodep->elsesp()); + puts("}\n"); + } + } + } + virtual void visit(AstExprStmt* nodep) override { + // GCC allows compound statements in expressions, but this is not standard. + // So we use an immediate-evaluation lambda and comma operator + putbs("([&]() {\n"); + iterateAndNextNull(nodep->stmtsp()); + puts("}(), "); + iterateAndNextNull(nodep->resultp()); + puts(")"); + } + virtual void visit(AstStop* nodep) override { + puts("VL_STOP_MT("); + putsQuoted(protect(nodep->fileline()->filename())); + puts(", "); + puts(cvtToStr(nodep->fileline()->lineno())); + puts(", \"\""); + puts(");\n"); + } + virtual void visit(AstFinish* nodep) override { + puts("VL_FINISH_MT("); + putsQuoted(protect(nodep->fileline()->filename())); + puts(", "); + puts(cvtToStr(nodep->fileline()->lineno())); + puts(", \"\");\n"); + } + virtual void visit(AstPrintTimeScale* nodep) override { + puts("VL_PRINTTIMESCALE("); + putsQuoted(protect(nodep->name())); + puts(", "); + putsQuoted(nodep->timeunit().ascii()); + puts(", vlSymsp->_vm_contextp__);\n"); + } + virtual void visit(AstRand* nodep) override { + emitOpName(nodep, nodep->emitC(), nodep->seedp(), nullptr, nullptr); + } + virtual void visit(AstTime* nodep) override { + puts("VL_TIME_UNITED_Q("); + if (nodep->timeunit().isNone()) nodep->v3fatalSrc("$time has no units"); + puts(cvtToStr(nodep->timeunit().multiplier() + / v3Global.rootp()->timeprecision().multiplier())); + puts(")"); + } + virtual void visit(AstTimeD* nodep) override { + puts("VL_TIME_UNITED_D("); + if (nodep->timeunit().isNone()) nodep->v3fatalSrc("$realtime has no units"); + puts(cvtToStr(nodep->timeunit().multiplier() + / v3Global.rootp()->timeprecision().multiplier())); + puts(")"); + } + virtual void visit(AstTimeFormat* nodep) override { + puts("VL_TIMEFORMAT_IINI("); + iterateAndNextNull(nodep->unitsp()); + puts(", "); + iterateAndNextNull(nodep->precisionp()); + puts(", "); + emitCvtPackStr(nodep->suffixp()); + puts(", "); + iterateAndNextNull(nodep->widthp()); + puts(", vlSymsp->_vm_contextp__);\n"); + } + virtual void visit(AstNodeSimpleText* nodep) override { + const string text = m_inUC && m_useSelfForThis + ? VString::replaceWord(nodep->text(), "this", "vlSelf") + : nodep->text(); + if (nodep->tracking() || m_trackText) { + puts(text); + } else { + ofp()->putsNoTracking(text); + } + } + virtual void visit(AstTextBlock* nodep) override { + visit(VN_CAST(nodep, NodeSimpleText)); + for (AstNode* childp = nodep->nodesp(); childp; childp = childp->nextp()) { + iterate(childp); + if (nodep->commas() && childp->nextp()) puts(", "); + } + } + virtual void visit(AstCStmt* nodep) override { + putbs(""); + iterateAndNextNull(nodep->bodysp()); + } + virtual void visit(AstCMath* nodep) override { + putbs(""); + iterateAndNextNull(nodep->bodysp()); + } + virtual void visit(AstUCStmt* nodep) override { + VL_RESTORER(m_inUC); + m_inUC = true; + putsDecoration(ifNoProtect("// $c statement at " + nodep->fileline()->ascii() + "\n")); + iterateAndNextNull(nodep->bodysp()); + puts("\n"); + } + virtual void visit(AstUCFunc* nodep) override { + VL_RESTORER(m_inUC); + m_inUC = true; + puts("\n"); + putsDecoration(ifNoProtect("// $c function at " + nodep->fileline()->ascii() + "\n")); + iterateAndNextNull(nodep->bodysp()); + puts("\n"); + } + + // Operators + virtual void visit(AstNodeTermop* nodep) override { + emitOpName(nodep, nodep->emitC(), nullptr, nullptr, nullptr); + } + virtual void visit(AstNodeUniop* nodep) override { + if (nodep->emitCheckMaxWords() + && (nodep->widthWords() > VL_MULS_MAX_WORDS + || nodep->lhsp()->widthWords() > VL_MULS_MAX_WORDS)) { + nodep->v3warn( + E_UNSUPPORTED, + "Unsupported: " + << nodep->prettyOperatorName() << " operator of " << nodep->width() + << " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h"); + } + if (emitSimpleOk(nodep)) { + putbs("("); + puts(nodep->emitSimpleOperator()); + puts(" "); + iterateAndNextNull(nodep->lhsp()); + puts(")"); + } else { + emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nullptr, nullptr); + } + } + virtual void visit(AstNodeBiop* nodep) override { + if (nodep->emitCheckMaxWords() && nodep->widthWords() > VL_MULS_MAX_WORDS) { + nodep->v3warn( + E_UNSUPPORTED, + "Unsupported: " + << nodep->prettyOperatorName() << " operator of " << nodep->width() + << " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h"); + } + if (emitSimpleOk(nodep)) { + putbs("("); + iterateAndNextNull(nodep->lhsp()); + puts(" "); + putbs(nodep->emitSimpleOperator()); + puts(" "); + iterateAndNextNull(nodep->rhsp()); + puts(")"); + } else { + emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nullptr); + } + } + virtual void visit(AstNodeTriop* nodep) override { + UASSERT_OBJ(!emitSimpleOk(nodep), nodep, "Triop cannot be described in a simple way"); + emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nodep->thsp()); + } + virtual void visit(AstRedXor* nodep) override { + if (nodep->lhsp()->isWide()) { + visit(VN_CAST(nodep, NodeUniop)); + } else { + putbs("VL_REDXOR_"); + puts(cvtToStr(nodep->lhsp()->dtypep()->widthPow2())); + puts("("); + iterateAndNextNull(nodep->lhsp()); + puts(")"); + } + } + virtual void visit(AstCCast* nodep) override { + // Extending a value of the same word width is just a NOP. + if (nodep->size() <= VL_IDATASIZE) { + puts("(IData)("); + } else { + puts("(QData)("); + } + iterateAndNextNull(nodep->lhsp()); + puts(")"); + } + virtual void visit(AstNodeCond* nodep) override { + // Widths match up already, so we'll just use C++'s operator w/o any temps. + if (nodep->expr1p()->isWide()) { + emitOpName(nodep, nodep->emitC(), nodep->condp(), nodep->expr1p(), nodep->expr2p()); + } else { + putbs("("); + iterateAndNextNull(nodep->condp()); + putbs(" ? "); + iterateAndNextNull(nodep->expr1p()); + putbs(" : "); + iterateAndNextNull(nodep->expr2p()); + puts(")"); + } + } + virtual void visit(AstMemberSel* nodep) override { + iterateAndNextNull(nodep->fromp()); + putbs("->"); + puts(nodep->varp()->nameProtect()); + } + virtual void visit(AstNullCheck* nodep) override { + puts("VL_NULL_CHECK("); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + putsQuoted(protect(nodep->fileline()->filename())); + puts(", "); + puts(cvtToStr(nodep->fileline()->lineno())); + puts(")"); + } + virtual void visit(AstCNew* nodep) override { + puts("std::make_shared<" + prefixNameProtect(nodep->dtypep()) + ">("); + puts("vlSymsp"); // TODO make this part of argsp, and eliminate when unnecessary + if (nodep->argsp()) puts(", "); + iterateAndNextNull(nodep->argsp()); + puts(")"); + } + virtual void visit(AstNewCopy* nodep) override { + puts("std::make_shared<" + prefixNameProtect(nodep->dtypep()) + ">("); + puts("*"); // i.e. make into a reference + iterateAndNextNull(nodep->rhsp()); + puts(")"); + } + virtual void visit(AstSel* nodep) override { + // Note ASSIGN checks for this on a LHS + emitOpName(nodep, nodep->emitC(), nodep->fromp(), nodep->lsbp(), nodep->thsp()); + } + virtual void visit(AstReplicate* nodep) override { + if (nodep->lhsp()->widthMin() == 1 && !nodep->isWide()) { + UASSERT_OBJ((static_cast(VN_CAST(nodep->rhsp(), Const)->toUInt()) + * nodep->lhsp()->widthMin()) + == nodep->widthMin(), + nodep, "Replicate non-constant or width miscomputed"); + puts("VL_REPLICATE_"); + emitIQW(nodep); + puts("OI("); + puts(cvtToStr(nodep->widthMin())); + if (nodep->lhsp()) puts("," + cvtToStr(nodep->lhsp()->widthMin())); + if (nodep->rhsp()) puts("," + cvtToStr(nodep->rhsp()->widthMin())); + puts(","); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + iterateAndNextNull(nodep->rhsp()); + puts(")"); + } else { + emitOpName(nodep, nodep->emitC(), nodep->lhsp(), nodep->rhsp(), nullptr); + } + } + virtual void visit(AstStreamL* nodep) override { + // Attempt to use a "fast" stream function for slice size = power of 2 + if (!nodep->isWide()) { + uint32_t isPow2 = VN_CAST(nodep->rhsp(), Const)->num().countOnes() == 1; + uint32_t sliceSize = VN_CAST(nodep->rhsp(), Const)->toUInt(); + if (isPow2 && sliceSize <= (nodep->isQuad() ? sizeof(uint64_t) : sizeof(uint32_t))) { + puts("VL_STREAML_FAST_"); + emitIQW(nodep); + emitIQW(nodep->lhsp()); + puts("I("); + puts(cvtToStr(nodep->widthMin())); + puts("," + cvtToStr(nodep->lhsp()->widthMin())); + puts("," + cvtToStr(nodep->rhsp()->widthMin())); + puts(","); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + uint32_t rd_log2 = V3Number::log2b(VN_CAST(nodep->rhsp(), Const)->toUInt()); + puts(cvtToStr(rd_log2) + ")"); + return; + } + } + emitOpName(nodep, "VL_STREAML_%nq%lq%rq(%nw,%lw,%rw, %P, %li, %ri)", nodep->lhsp(), + nodep->rhsp(), nullptr); + } + virtual void visit(AstCastDynamic* nodep) override { + putbs("VL_CAST_DYNAMIC("); + iterateAndNextNull(nodep->lhsp()); + puts(", "); + iterateAndNextNull(nodep->rhsp()); + puts(")"); + } + virtual void visit(AstCountBits* nodep) override { + putbs("VL_COUNTBITS_"); + emitIQW(nodep->lhsp()); + puts("("); + puts(cvtToStr(nodep->lhsp()->widthMin())); + puts(", "); + if (nodep->lhsp()->isWide()) { + puts(cvtToStr(nodep->lhsp()->widthWords())); // Note argument width, not node width + // (which is always 32) + puts(", "); + } + iterateAndNextNull(nodep->lhsp()); + puts(", "); + iterateAndNextNull(nodep->rhsp()); + puts(", "); + iterateAndNextNull(nodep->thsp()); + puts(", "); + iterateAndNextNull(nodep->fhsp()); + puts(")"); + } + virtual void visit(AstInitItem* nodep) override { iterateChildren(nodep); } + // Terminals + virtual void visit(AstVarRef* nodep) override { + const AstVar* const varp = nodep->varp(); + if (isConstPoolMod(varp->user4p())) { + // Reference to constant pool variable + puts(topClassName() + "__ConstPool__"); + } else if (varp->isStatic()) { + // Access static variable via the containing class + puts(prefixNameProtect(varp->user4p()) + "::"); + } else if (VN_IS(varp->user4p(), Class) && varp->user4p() != m_modp) { + // Superclass member reference + puts(prefixNameProtect(varp->user4p()) + "::"); + } else if (!nodep->selfPointer().empty()) { + emitDereference(nodep->selfPointerProtect(m_useSelfForThis)); + } + puts(nodep->varp()->nameProtect()); + } + virtual void visit(AstAddrOfCFunc* nodep) override { + // Note: Can be thought to handle more, but this is all that is needed right now + AstCFunc* const funcp = nodep->funcp(); + UASSERT_OBJ(funcp->isLoose(), nodep, "Cannot take address of non-loose method"); + puts("&"); + puts(funcNameProtect(funcp)); + } + virtual void visit(AstConst* nodep) override { + if (nodep->isWide()) { + UASSERT_OBJ(m_wideTempRefp, nodep, "Wide Constant w/ no temp"); + emitConstant(nodep, m_wideTempRefp, ""); + m_wideTempRefp = nullptr; // We used it, barf if set it a second time + } else { + emitConstant(nodep, nullptr, ""); + } + } + + // + virtual void visit(AstMTaskBody* nodep) override { + VL_RESTORER(m_useSelfForThis); + m_useSelfForThis = true; + iterateChildrenConst(nodep); + } + virtual void visit(AstConsAssoc* nodep) override { + putbs(nodep->dtypep()->cType("", false, false)); + puts("()"); + if (nodep->defaultp()) { + putbs(".setDefault("); + iterateAndNextNull(nodep->defaultp()); + puts(")"); + } + } + virtual void visit(AstSetAssoc* nodep) override { + iterateAndNextNull(nodep->lhsp()); + putbs(".set("); + iterateAndNextNull(nodep->keyp()); + puts(", "); + putbs(""); + iterateAndNextNull(nodep->valuep()); + puts(")"); + } + virtual void visit(AstConsDynArray* nodep) override { + putbs(nodep->dtypep()->cType("", false, false)); + if (!nodep->lhsp()) { + puts("()"); + } else { + puts("::cons("); + iterateAndNextNull(nodep->lhsp()); + if (nodep->rhsp()) { + puts(", "); + putbs(""); + } + iterateAndNextNull(nodep->rhsp()); + puts(")"); + } + } + virtual void visit(AstConsQueue* nodep) override { + putbs(nodep->dtypep()->cType("", false, false)); + if (!nodep->lhsp()) { + puts("()"); + } else { + puts("::cons("); + iterateAndNextNull(nodep->lhsp()); + if (nodep->rhsp()) { + puts(", "); + putbs(""); + } + iterateAndNextNull(nodep->rhsp()); + puts(")"); + } + } + virtual void visit(AstCReset* nodep) override { + AstVar* varp = nodep->varrefp()->varp(); + emitVarReset(varp); + } + virtual void visit(AstExecGraph* nodep) override { + UASSERT_OBJ(nodep == v3Global.rootp()->execGraphp(), nodep, + "ExecGraph should be a singleton!"); + // The location of the AstExecGraph within the containing _eval() + // function is where we want to invoke the graph and wait for it to + // complete. Emitting the children does just that. + iterateChildrenConst(nodep); + } + virtual void visit(AstChangeDet* nodep) override { // + m_blkChangeDetVec.push_back(nodep); + } + + // Just iterate + virtual void visit(AstNetlist* nodep) override { iterateChildren(nodep); } + virtual void visit(AstTopScope* nodep) override { iterateChildren(nodep); } + virtual void visit(AstScope* nodep) override { iterateChildren(nodep); } + // NOPs + virtual void visit(AstTypedef*) override {} + virtual void visit(AstPragma*) override {} + virtual void visit(AstCell*) override {} // Handled outside the Visit class + virtual void visit(AstVar*) override {} // Handled outside the Visit class + virtual void visit(AstNodeText*) override {} // Handled outside the Visit class + virtual void visit(AstTraceDecl*) override {} // Handled outside the Visit class + virtual void visit(AstTraceInc*) override {} // Handled outside the Visit class + virtual void visit(AstCFile*) override {} // Handled outside the Visit class + virtual void visit(AstCellInline*) override {} // Handled outside visit (in EmitCSyms) + virtual void visit(AstCUse*) override {} // Handled outside the Visit class + // Default + virtual void visit(AstNode* nodep) override { + puts(string("\n???? // ") + nodep->prettyTypeName() + "\n"); + iterateChildren(nodep); + if (!v3Global.opt.lintOnly()) { // An internal problem, so suppress + nodep->v3fatalSrc("Unknown node type reached emitter: " << nodep->prettyTypeName()); + } + } + + EmitCFunc() + : m_lazyDecls(*this) { + m_suppressSemi = false; + m_wideTempRefp = nullptr; + m_labelNum = 0; + m_splitSize = 0; + m_splitFilenum = 0; + } + EmitCFunc(AstNode* nodep, V3OutCFile* ofp, bool trackText = false) + : EmitCFunc{} { + m_ofp = ofp; + m_trackText = trackText; + iterate(nodep); + } + virtual ~EmitCFunc() override = default; +}; + +#endif // guard diff --git a/src/V3EmitCInlines.cpp b/src/V3EmitCInlines.cpp index 0fd7450d9..2b68ac16f 100644 --- a/src/V3EmitCInlines.cpp +++ b/src/V3EmitCInlines.cpp @@ -30,32 +30,20 @@ class EmitCInlines final : EmitCBaseVisitor { // STATE // METHODS - void checkHeavy(AstNode* nodep) { - if (nodep->isHeavy()) v3Global.needHeavy(true); - } // VISITORS - virtual void visit(AstClass* nodep) override { - checkHeavy(nodep); - iterateChildren(nodep); - } virtual void visit(AstCNew* nodep) override { - checkHeavy(nodep); if (v3Global.opt.savable()) v3warn(E_UNSUPPORTED, "Unsupported: --savable with dynamic new"); iterateChildren(nodep); } virtual void visit(AstDumpCtl* nodep) override { - checkHeavy(nodep); if (v3Global.opt.trace()) v3Global.needTraceDumper(true); iterateChildren(nodep); } //--------------------------------------- - virtual void visit(AstNode* nodep) override { - checkHeavy(nodep); - iterateChildren(nodep); - } + virtual void visit(AstNode* nodep) override { iterateChildren(nodep); } public: explicit EmitCInlines(AstNetlist* nodep) { iterate(nodep); } diff --git a/src/V3EmitCMain.cpp b/src/V3EmitCMain.cpp index a7260fb8f..493aca407 100644 --- a/src/V3EmitCMain.cpp +++ b/src/V3EmitCMain.cpp @@ -40,7 +40,7 @@ public: private: // MAIN METHOD void emitInt() { - string filename = v3Global.opt.makeDir() + "/" + topClassName() + "__main.cpp"; + const string filename = v3Global.opt.makeDir() + "/" + topClassName() + "__main.cpp"; newCFile(filename, false /*slow*/, true /*source*/); V3OutCFile cf(filename); m_ofp = &cf; diff --git a/src/V3EmitCMake.cpp b/src/V3EmitCMake.cpp index a2aa6bd78..82ea3c1f8 100644 --- a/src/V3EmitCMake.cpp +++ b/src/V3EmitCMake.cpp @@ -64,7 +64,7 @@ class CMakeEmitter final { static void cmake_set(std::ofstream& of, const string& name, const string& value, const string& cache_type = "", const string& docstring = "") { - string raw_value = "\"" + value + "\""; + const string raw_value = "\"" + value + "\""; cmake_set_raw(of, name, raw_value, cache_type, docstring); } @@ -80,7 +80,7 @@ class CMakeEmitter final { static void emitOverallCMake() { const std::unique_ptr of( V3File::new_ofstream(v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + ".cmake")); - string name = v3Global.opt.prefix(); + const string name = v3Global.opt.prefix(); *of << "# Verilated -*- CMake -*-\n"; *of << "# DESCR" diff --git a/src/V3EmitCModel.cpp b/src/V3EmitCModel.cpp new file mode 100644 index 000000000..6b67f6fad --- /dev/null +++ b/src/V3EmitCModel.cpp @@ -0,0 +1,629 @@ +// -*- mode: C++; c-file-style: "cc-mode" -*- +//************************************************************************* +// DESCRIPTION: Verilator: Emit C++ for model entry point class +// +// Code available from: https://verilator.org +// +//************************************************************************* +// +// Copyright 2003-2021 by Wilson Snyder. This program is free software; you +// can redistribute it and/or modify it under the terms of either the GNU +// Lesser General Public License Version 3 or the Perl Artistic License +// Version 2.0. +// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 +// +//************************************************************************* + +#include "config_build.h" +#include "verilatedos.h" + +#include "V3Global.h" +#include "V3EmitC.h" +#include "V3EmitCFunc.h" + +#include +#include + +class EmitCModel final : public EmitCFunc { + + // METHODS + VL_DEBUG_FUNC; + + void putSectionDelimiter(const string& name) { + puts("\n"); + puts("//============================================================\n"); + puts("// " + name + "\n"); + } + + void emitHeader(AstNodeModule* modp) { + UASSERT(!m_ofp, "Output file should not be open"); + + const string filename = v3Global.opt.makeDir() + "/" + topClassName() + ".h"; + newCFile(filename, /* slow: */ false, /* source: */ false); + m_ofp = v3Global.opt.systemC() ? new V3OutScFile(filename) : new V3OutCFile(filename); + + ofp()->putsHeader(); + puts("// DESCRIPTION: Verilator output: Primary model header\n"); + puts("//\n"); + puts("// This header should be included by all source files instantiating the design.\n"); + puts("// The class here is then constructed to instantiate the design.\n"); + puts("// See the Verilator manual for examples.\n"); + + ofp()->putsGuard(); + + // Include files + puts("\n"); + ofp()->putsIntTopInclude(); + puts("#include \"verilated_heavy.h\"\n"); + if (v3Global.opt.mtasks()) puts("#include \"verilated_threads.h\"\n"); + if (v3Global.opt.savable()) puts("#include \"verilated_save.h\"\n"); + if (v3Global.opt.coverage()) puts("#include \"verilated_cov.h\"\n"); + if (v3Global.dpi()) puts("#include \"svdpi.h\"\n"); + + // Declare foreign instances up front to make C++ happy + puts("\n"); + puts("class " + symClassName() + ";\n"); + puts("class " + prefixNameProtect(modp) + ";\n"); // For rootp pointer only + if (v3Global.opt.trace()) puts("class " + v3Global.opt.traceClassLang() + ";\n"); + emitModCUse(modp, VUseType::INT_FWD_CLASS); // Note: This is needed for cell forwarding + + puts("\n"); + + puts("// This class is the main interface to the Verilated model\n"); + if (optSystemC()) { + puts("SC_MODULE(" + topClassName() + ") {\n"); + } else { + puts("class " + topClassName() + " VL_NOT_FINAL {\n"); + } + ofp()->resetPrivate(); + ofp()->putsPrivate(true); // private: + + puts("// Symbol table holding complete model state (owned by this class)\n"); + puts(symClassName() + "* const vlSymsp;\n"); + + puts("\n"); + ofp()->putsPrivate(false); // public: + // User accessible IO + puts("\n// PORTS\n" + "// The application code writes and reads these signals to\n" + "// propagate new values into/out from the Verilated model.\n"); + for (const AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstVar* const varp = VN_CAST_CONST(nodep, Var)) { + if (varp->isPrimaryIO()) { // + emitVarDecl(varp, "", /* asRef: */ true); + } + } + } + + // Cells instantiated by the top level (for access to /* verilator public */) + puts("\n// CELLS\n" + "// Public to allow access to /* verilator public */ items.\n" + "// Otherwise the application code can consider these internals.\n"); + for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstCell* const cellp = VN_CAST_CONST(nodep, Cell)) { + puts(prefixNameProtect(cellp->modp()) + "* const " + cellp->nameProtect() + ";\n"); + } + } + + // root instance pointer (for access to internals, including public_flat items). + puts("\n// Root instance pointer to allow access to model internals,\n" + "// including inlined /* verilator public_flat_* */ items.\n"); + puts(prefixNameProtect(modp) + "* const rootp;\n"); + + puts("\n"); + ofp()->putsPrivate(false); // public: + puts("// CONSTRUCTORS\n"); + if (optSystemC()) { + puts("SC_CTOR(" + topClassName() + ");\n"); + puts("virtual ~" + topClassName() + "();\n"); + } else { + puts("/// Construct the model; called by application code\n"); + puts("/// If contextp is null, then the model will use the default global " + "context\n"); + puts("/// If name is \"\", then makes a wrapper with a\n"); + puts("/// single model invisible with respect to DPI scope names.\n"); + puts("explicit " + topClassName() + "(VerilatedContext* contextp," + + " const char* name = \"TOP\");\n"); + puts("explicit " + topClassName() + "(const char* name = \"TOP\");\n"); + puts("/// Destroy the model; called (often implicitly) by application code\n"); + puts("virtual ~" + topClassName() + "();\n"); + } + ofp()->putsPrivate(true); + puts("VL_UNCOPYABLE(" + topClassName() + "); ///< Copying not allowed\n"); + + puts("\n"); + ofp()->putsPrivate(false); // public: + puts("// API METHODS\n"); + string callEvalEndStep + = (v3Global.needTraceDumper() && !optSystemC()) ? "eval_end_step(); " : ""; + if (optSystemC()) { + ofp()->putsPrivate(true); ///< eval() is invoked by our sensitive() calls. + } + if (!optSystemC()) { + puts("/// Evaluate the model. Application must call when inputs change.\n"); + } + puts("void eval() { eval_step(); " + callEvalEndStep + "}\n"); + if (!optSystemC()) { + puts("/// Evaluate when calling multiple units/models per time step.\n"); + } + puts("void eval_step();\n"); + if (!optSystemC()) { + puts("/// Evaluate at end of a timestep for tracing, when using eval_step().\n"); + puts("/// Application must call after all eval() and before time changes.\n"); + puts("void eval_end_step()"); + if (callEvalEndStep == "") { + puts(" {}\n"); + } else { + puts(";\n"); + } + } + if (!optSystemC()) { + puts("/// Simulation complete, run final blocks. Application " + "must call on completion.\n"); + } + ofp()->putsPrivate(false); // public: + puts("void final();\n"); + + if (v3Global.opt.trace()) { + puts("/// Trace signals in the model; called by application code\n"); + puts("void trace(" + v3Global.opt.traceClassBase() + + "C* tfp, int levels, int options = 0);\n"); + if (optSystemC()) { + puts("/// SC tracing; avoid overloaded virtual function lint warning\n"); + puts("virtual void trace(sc_trace_file* tfp) const override { " + "::sc_core::sc_module::trace(tfp); }\n"); + } + } + + puts("/// Return current simulation context for this model.\n"); + puts("/// Used to get to e.g. simulation time via contextp()->time()\n"); + puts("VerilatedContext* contextp() const;\n"); + if (!optSystemC()) { + puts("/// Retrieve name of this model instance (as passed to constructor).\n"); + puts("const char* name() const;\n"); + } + + // Emit DPI export dispatcher declarations + { + std::vector funcps; + + for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstCFunc* funcp = VN_CAST(nodep, CFunc)) { + if (!funcp->dpiExportDispatcher()) continue; + funcps.push_back(funcp); + } + } + + stable_sort(funcps.begin(), funcps.end(), [](const AstNode* ap, const AstNode* bp) { + return ap->name() < bp->name(); + }); + + if (!funcps.empty()) { + puts("\n/// DPI Export functions\n"); + for (const AstCFunc* funcp : funcps) { emitCFuncDecl(funcp, modp); } + } + } + + if (v3Global.opt.savable()) { + puts("\n"); + puts("// Serialization functions\n"); + puts("friend VerilatedSerialize& operator<<(VerilatedSerialize& os, " // + + topClassName() + "& rhs);\n"); + puts("friend VerilatedDeserialize& operator>>(VerilatedDeserialize& os, " + + topClassName() + "& rhs);\n"); + } + + puts("} VL_ATTR_ALIGNED(VL_CACHE_LINE_BYTES);\n"); + + ofp()->putsEndGuard(); + + VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); + } + + void emitConstructorImplementation(AstNodeModule* modp) { + putSectionDelimiter("Constructors"); + + puts("\n"); + puts(topClassName() + "::" + topClassName()); + if (optSystemC()) { + puts("(sc_module_name /* unused */)\n"); + puts(" : vlSymsp{new " + symClassName() + "(nullptr, name(), this)}\n"); + } else { + puts(+"(VerilatedContext* _vcontextp__, const char* _vcname__)\n"); + puts(" : vlSymsp{new " + symClassName() + "(_vcontextp__, _vcname__, this)}\n"); + } + + // Set up IO references + for (const AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstVar* const varp = VN_CAST_CONST(nodep, Var)) { + if (varp->isPrimaryIO()) { + const string protName = varp->nameProtect(); + puts(" , " + protName + "{vlSymsp->TOP." + protName + "}\n"); + } + } + } + + // Setup cell pointers + for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstCell* const cellp = VN_CAST_CONST(nodep, Cell)) { + const string protName = cellp->nameProtect(); + puts(" , " + protName + "{vlSymsp->TOP." + protName + "}\n"); + } + } + + // Setup rootp root instance pointer, + puts(" , rootp{&(vlSymsp->TOP)}\n"); + + puts("{\n"); + + if (optSystemC()) { + // Create sensitivity list for when to evaluate the model. + putsDecoration("// Sensitivities on all clocks and combinational inputs\n"); + puts("SC_METHOD(eval);\n"); + for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + if (const AstVar* const varp = VN_CAST(nodep, Var)) { + if (varp->isNonOutput() && (varp->isScSensitive() || varp->isUsedClock())) { + int vects = 0; + // This isn't very robust and may need cleanup for other data types + for (AstUnpackArrayDType* arrayp + = VN_CAST(varp->dtypeSkipRefp(), UnpackArrayDType); + arrayp; + arrayp = VN_CAST(arrayp->subDTypep()->skipRefp(), UnpackArrayDType)) { + const int vecnum = vects++; + UASSERT_OBJ(arrayp->hi() >= arrayp->lo(), varp, + "Should have swapped msb & lsb earlier."); + const string ivar = string("__Vi") + cvtToStr(vecnum); + puts("for (int __Vi" + cvtToStr(vecnum) + "=" + + cvtToStr(arrayp->lo())); + puts("; " + ivar + "<=" + cvtToStr(arrayp->hi())); + puts("; ++" + ivar + ") {\n"); + } + puts("sensitive << " + varp->nameProtect()); + for (int v = 0; v < vects; ++v) puts("[__Vi" + cvtToStr(v) + "]"); + puts(";\n"); + for (int v = 0; v < vects; ++v) puts("}\n"); + } + } + } + puts("\n"); + } + + puts("}\n"); + + if (!optSystemC()) { + puts("\n"); + puts(topClassName() + "::" + topClassName() + "(const char* _vcname__)\n"); + puts(" : " + topClassName() + "(nullptr, _vcname__)\n{\n}\n"); + } + } + + void emitDestructorImplementation() { + putSectionDelimiter("Destructor"); + + puts("\n"); + puts(topClassName() + "::~" + topClassName() + "() {\n"); + puts("delete vlSymsp;\n"); + puts("}\n"); + } + + void emitSettleLoop(AstNodeModule* modp, bool initial) { + const string topModNameProtected = prefixNameProtect(modp); + + putsDecoration("// Evaluate till stable\n"); + puts("int __VclockLoop = 0;\n"); + puts("QData __Vchange = 1;\n"); + if (v3Global.opt.trace()) puts("vlSymsp->__Vm_activity = true;\n"); + puts("do {\n"); + puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+ "); + puts(initial ? "Initial" : "Clock"); + puts(" loop\\n\"););\n"); + if (initial) + puts(topModNameProtected + "__" + protect("_eval_settle") + "(&(vlSymsp->TOP));\n"); + puts(topModNameProtected + "__" + protect("_eval") + "(&(vlSymsp->TOP));\n"); + puts("if (VL_UNLIKELY(++__VclockLoop > " + cvtToStr(v3Global.opt.convergeLimit()) + + ")) {\n"); + puts("// About to fail, so enable debug to see what's not settling.\n"); + puts("// Note you must run make with OPT=-DVL_DEBUG for debug prints.\n"); + puts("int __Vsaved_debug = Verilated::debug();\n"); + puts("Verilated::debug(1);\n"); + puts("__Vchange = " + topModNameProtected + "__" + protect("_change_request") + + "(&(vlSymsp->TOP));\n"); + puts("Verilated::debug(__Vsaved_debug);\n"); + puts("VL_FATAL_MT("); + putsQuoted(protect(modp->fileline()->filename())); + puts(", "); + puts(cvtToStr(modp->fileline()->lineno())); + puts(", \"\",\n"); + puts("\"Verilated model didn't "); + if (initial) puts("DC "); + puts("converge\\n\"\n"); + puts("\"- See https://verilator.org/warn/DIDNOTCONVERGE\");\n"); + puts("} else {\n"); + puts("__Vchange = " + topModNameProtected + "__" + protect("_change_request") + + "(&(vlSymsp->TOP));\n"); + puts("}\n"); + puts("} while (VL_UNLIKELY(__Vchange));\n"); + } + + void emitStandardMethods(AstNodeModule* modp) { + UASSERT_OBJ(modp->isTop(), modp, "Attempting to emitWrapEval for non-top class"); + + const string topModNameProtected = prefixNameProtect(modp); + const string selfDecl = "(" + topModNameProtected + "* vlSelf)"; + + putSectionDelimiter("Evaluation loop"); + + // Forward declarations + puts("\n"); + puts("void " + topModNameProtected + "__" + protect("_eval_initial") + selfDecl + ";\n"); + puts("void " + topModNameProtected + "__" + protect("_eval_settle") + selfDecl + ";\n"); + puts("void " + topModNameProtected + "__" + protect("_eval") + selfDecl + ";\n"); + puts("QData " + topModNameProtected + "__" + protect("_change_request") + selfDecl + + ";\n"); + puts("#ifdef VL_DEBUG\n"); + puts("void " + topModNameProtected + "__" + protect("_eval_debug_assertions") + selfDecl + + ";\n"); + puts("#endif // VL_DEBUG\n"); + puts("void " + topModNameProtected + "__" + protect("_final") + selfDecl + ";\n"); + + // _eval_initial_loop + puts("\nstatic void " + protect("_eval_initial_loop") + "(" + symClassVar() + ")" + + " {\n"); + puts("vlSymsp->__Vm_didInit = true;\n"); + puts(topModNameProtected + "__" + protect("_eval_initial") + "(&(vlSymsp->TOP));\n"); + emitSettleLoop(modp, /* initial: */ true); + ensureNewLine(); + puts("}\n"); + + // ::eval_step + puts("\nvoid " + topClassName() + "::eval_step() {\n"); + puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+++++TOP Evaluate " + topClassName() + + "::eval_step\\n\"); );\n"); + puts("#ifdef VL_DEBUG\n"); + putsDecoration("// Debug assertions\n"); + puts(topModNameProtected + "__" + protect("_eval_debug_assertions") + + "(&(vlSymsp->TOP));\n"); + puts("#endif // VL_DEBUG\n"); + putsDecoration("// Initialize\n"); + puts("if (VL_UNLIKELY(!vlSymsp->__Vm_didInit)) " + protect("_eval_initial_loop") + + "(vlSymsp);\n"); + + if (v3Global.opt.threads() == 1) { + uint32_t mtaskId = 0; + putsDecoration("// MTask " + cvtToStr(mtaskId) + " start\n"); + puts("VL_DEBUG_IF(VL_DBG_MSGF(\"MTask" + cvtToStr(mtaskId) + " starting\\n\"););\n"); + puts("Verilated::mtaskId(" + cvtToStr(mtaskId) + ");\n"); + } + + if (v3Global.opt.mtasks() && v3Global.opt.profThreads()) { + puts("if (VL_UNLIKELY((vlSymsp->_vm_contextp__->profThreadsStart() != " + "vlSymsp->__Vm_profile_time_finished)\n"); + puts(" && (VL_TIME_Q() > vlSymsp->_vm_contextp__->profThreadsStart())\n"); + puts(" && (vlSymsp->_vm_contextp__->profThreadsWindow() >= 1))) {\n"); + // Within a profile (either starting, middle, or end) + puts("if (vlSymsp->__Vm_profile_window_ct == 0) {\n"); // Opening file? + // Start profile on this cycle. We'll capture a window worth, then + // only analyze the next window worth. The idea is that the first window + // capture will hit some cache-cold stuff (eg printf) but it'll be warm + // by the time we hit the second window, we hope. + puts("vlSymsp->__Vm_profile_cycle_start = VL_RDTSC_Q();\n"); + // "* 2" as first half is warmup, second half is collection + puts("vlSymsp->__Vm_profile_window_ct = vlSymsp->_vm_contextp__->profThreadsWindow() " + "* 2 " + "+ " + "1;\n"); + puts("}\n"); + puts("--(vlSymsp->__Vm_profile_window_ct);\n"); + puts("if (vlSymsp->__Vm_profile_window_ct == " + "vlSymsp->_vm_contextp__->profThreadsWindow()) {\n"); + // This barrier record in every threads' profile demarcates the + // cache-warm-up cycles before the barrier from the actual profile + // cycles afterward. + puts("vlSymsp->__Vm_threadPoolp->profileAppendAll("); + puts("VlProfileRec(VlProfileRec::Barrier()));\n"); + puts("vlSymsp->__Vm_profile_cycle_start = VL_RDTSC_Q();\n"); + puts("}\n"); + puts("else if (vlSymsp->__Vm_profile_window_ct == 0) {\n"); + // Ending file. + puts("vluint64_t elapsed = VL_RDTSC_Q() - vlSymsp->__Vm_profile_cycle_start;\n"); + puts("vlSymsp->__Vm_threadPoolp->profileDump(vlSymsp->_vm_contextp__->" + "profThreadsFilename().c_str(), elapsed);\n"); + // This turns off the test to enter the profiling code, but still + // allows the user to collect another profile by changing + // profThreadsStart + puts("vlSymsp->__Vm_profile_time_finished = " + "vlSymsp->_vm_contextp__->profThreadsStart();\n"); + puts("vlSymsp->__Vm_profile_cycle_start = 0;\n"); + puts("}\n"); + puts("}\n"); + } + + emitSettleLoop(modp, /* initial: */ false); + if (v3Global.opt.threads() == 1) { + puts("Verilated::endOfThreadMTask(vlSymsp->__Vm_evalMsgQp);\n"); + } + if (v3Global.opt.threads()) puts("Verilated::endOfEval(vlSymsp->__Vm_evalMsgQp);\n"); + puts("}\n"); + + // ::eval_end_step + if (v3Global.needTraceDumper() && !optSystemC()) { + puts("\nvoid " + topClassName() + "::eval_end_step() {\n"); + puts("VL_DEBUG_IF(VL_DBG_MSGF(\"+eval_end_step " + topClassName() + + "::eval_end_step\\n\"); );\n"); + puts("#ifdef VM_TRACE\n"); + putsDecoration("// Tracing\n"); + // SystemC's eval loop deals with calling trace, not us + puts("if (VL_UNLIKELY(vlSymsp->__Vm_dumping)) vlSymsp->_traceDump();\n"); + puts("#endif // VM_TRACE\n"); + puts("}\n"); + } + + putSectionDelimiter("Invoke final blocks"); + // ::final + puts("\nvoid " + topClassName() + "::final() {\n"); + puts(topModNameProtected + "__" + protect("_final") + "(&(vlSymsp->TOP));\n"); + puts("}\n"); + + putSectionDelimiter("Utilities"); + // ::contextp + puts("\nVerilatedContext* " + topClassName() + "::contextp() const {\n"); + puts(/**/ "return vlSymsp->_vm_contextp__;\n"); + puts("}\n"); + + if (!optSystemC()) { + // ::name + puts("\nconst char* " + topClassName() + "::name() const {\n"); + puts(/**/ "return vlSymsp->name();\n"); + puts("}\n"); + } + } + + void emitTraceMethods(AstNodeModule* modp) { + const string topModNameProtected = prefixNameProtect(modp); + + putSectionDelimiter("Trace configuration"); + + // Forward declaration + puts("\nvoid " + topModNameProtected + "__" + protect("traceInitTop") + "(" + + topModNameProtected + "* vlSelf, " + v3Global.opt.traceClassBase() + + "* tracep);\n"); + + // Static helper function + puts("\nstatic void " + protect("traceInit") + "(void* voidSelf, " + + v3Global.opt.traceClassBase() + "* tracep, uint32_t code) {\n"); + putsDecoration("// Callback from tracep->open()\n"); + puts(voidSelfAssign(modp)); + puts(symClassAssign()); + puts("if (!vlSymsp->_vm_contextp__->calcUnusedSigs()) {\n"); + puts("VL_FATAL_MT(__FILE__, __LINE__, __FILE__,\n"); + puts("\"Turning on wave traces requires Verilated::traceEverOn(true) call before time " + "0.\");\n"); + puts("}\n"); + puts("vlSymsp->__Vm_baseCode = code;\n"); + puts("tracep->module(vlSymsp->name());\n"); + puts("tracep->scopeEscape(' ');\n"); + puts(topModNameProtected + "__" + protect("traceInitTop") + "(vlSelf, tracep);\n"); + puts("tracep->scopeEscape('.');\n"); // Restore so later traced files won't break + puts("}\n"); + + // Forward declaration + puts("\nvoid " + topModNameProtected + "__" + protect("traceRegister") + "(" + + topModNameProtected + "* vlSelf, " + v3Global.opt.traceClassBase() + + "* tracep);\n"); + + // ::trace + puts("\nvoid " + topClassName() + "::trace("); + puts(v3Global.opt.traceClassBase() + "C* tfp, int, int) {\n"); + puts("tfp->spTrace()->addInitCb(&" + protect("traceInit") + ", &(vlSymsp->TOP));\n"); + puts(topModNameProtected + "__" + protect("traceRegister") + + "(&(vlSymsp->TOP), tfp->spTrace());\n"); + puts("}\n"); + } + + void emitSerializationFunctions() { + putSectionDelimiter("Model serialization"); + + puts("\nVerilatedSerialize& operator<<(VerilatedSerialize& os, " + topClassName() + + "& rhs) {\n"); + puts("Verilated::quiesce();\n"); + puts("rhs.vlSymsp->" + protect("__Vserialize") + "(os);\n"); + puts("return os;\n"); + puts("}\n"); + + puts("\nVerilatedDeserialize& operator>>(VerilatedDeserialize& os, " + topClassName() + + "& rhs) {\n"); + puts("Verilated::quiesce();\n"); + puts("rhs.vlSymsp->" + protect("__Vdeserialize") + "(os);\n"); + puts("return os;\n"); + puts("}\n"); + } + + void emitImplementation(AstNodeModule* modp) { + UASSERT(!m_ofp, "Output file should not be open"); + + const string filename = v3Global.opt.makeDir() + "/" + topClassName() + ".cpp"; + newCFile(filename, /* slow: */ false, /* source: */ true); + m_ofp = v3Global.opt.systemC() ? new V3OutScFile(filename) : new V3OutCFile(filename); + + ofp()->putsHeader(); + puts("// DESCRIPTION: Verilator output: " + "Model implementation (design independent parts)\n"); + + puts("\n"); + puts("#include \"" + topClassName() + ".h\"\n"); + puts("#include \"" + symClassName() + ".h\"\n"); + if (v3Global.opt.trace()) { + puts("#include \"" + v3Global.opt.traceSourceLang() + ".h\"\n"); + } + if (v3Global.dpi()) { // + puts("#include \"verilated_dpi.h\"\n"); + } + + emitConstructorImplementation(modp); + emitDestructorImplementation(); + emitStandardMethods(modp); + if (v3Global.opt.trace()) { emitTraceMethods(modp); } + if (v3Global.opt.savable()) { emitSerializationFunctions(); } + + VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); + } + + void emitDpiExportDispatchers(AstNodeModule* modp) { + UASSERT(!m_ofp, "Output file should not be open"); + + // Emit DPI Export dispatchers + for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) { + AstCFunc* const funcp = VN_CAST(nodep, CFunc); + if (!funcp || !funcp->dpiExportDispatcher()) continue; + + if (splitNeeded()) { + // Splitting file, so using parallel build. + v3Global.useParallelBuild(true); + // Close old file + VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); + } + + if (!m_ofp) { + const string filename = v3Global.opt.makeDir() + "/" + topClassName() + + "__Dpi_Export_" + cvtToStr(splitFilenumInc() - 1) + + ".cpp"; + newCFile(filename, /* slow: */ false, /* source: */ true); + m_ofp = v3Global.opt.systemC() ? new V3OutScFile(filename) + : new V3OutCFile(filename); + m_lazyDecls.reset(); + m_ofp->putsHeader(); + puts( + "// DESCRIPTION: Verilator output: Implementation of DPI export functions.\n"); + puts("//\n"); + puts("#include \"" + topClassName() + ".h\"\n"); + puts("#include \"" + symClassName() + ".h\"\n"); + puts("#include \"verilated_dpi.h\"\n"); + puts("\n"); + } + + iterate(funcp); + } + + if (m_ofp) { VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); } + } + + void main(AstNodeModule* modp) { + m_modp = modp; + emitHeader(modp); + emitImplementation(modp); + if (v3Global.dpi()) { emitDpiExportDispatchers(modp); } + } + + // VISITORS + +public: + explicit EmitCModel(AstNetlist* netlistp) { main(netlistp->topModulep()); } +}; + +//###################################################################### +// EmitC class functions + +void V3EmitC::emitcModel() { + UINFO(2, __FUNCTION__ << ": " << endl); + { EmitCModel emit(v3Global.rootp()); } +} diff --git a/src/V3EmitCSyms.cpp b/src/V3EmitCSyms.cpp index a04288b68..412773feb 100644 --- a/src/V3EmitCSyms.cpp +++ b/src/V3EmitCSyms.cpp @@ -83,9 +83,9 @@ class EmitCSyms final : EmitCBaseVisitor { }; struct CmpDpi { bool operator()(const AstCFunc* lhsp, const AstCFunc* rhsp) const { - if (lhsp->dpiImport() != rhsp->dpiImport()) { + if (lhsp->dpiImportPrototype() != rhsp->dpiImportPrototype()) { // cppcheck-suppress comparisonOfFuncReturningBoolError - return lhsp->dpiImport() < rhsp->dpiImport(); + return lhsp->dpiImportPrototype() < rhsp->dpiImportPrototype(); } return lhsp->name() < rhsp->name(); } @@ -125,7 +125,7 @@ class EmitCSyms final : EmitCBaseVisitor { && !(VN_IS(nodep, CFunc) && (VN_CAST(nodep, CFunc)->isConstructor() || VN_CAST(nodep, CFunc)->isDestructor()))) { - string rsvd = V3LanguageWords::isKeyword(nodep->name()); + const string rsvd = V3LanguageWords::isKeyword(nodep->name()); if (rsvd != "") { // Generally V3Name should find all of these and throw SYMRSVDWORD. // We'll still check here because the compiler errors @@ -170,7 +170,7 @@ class EmitCSyms final : EmitCBaseVisitor { const auto scpit = m_vpiScopeCandidates.find(scp); if ((scpit != m_vpiScopeCandidates.end()) && (m_scopeNames.find(scp) == m_scopeNames.end())) { - auto scopeNameit = m_scopeNames.find(scpit->second.m_symName); + const auto scopeNameit = m_scopeNames.find(scpit->second.m_symName); if (scopeNameit == m_scopeNames.end()) { m_scopeNames.emplace(scpit->second.m_symName, scpit->second); } else { @@ -216,9 +216,9 @@ class EmitCSyms final : EmitCBaseVisitor { } // UINFO(9,"For "<name()<<" - "<name()<<" Scp "<second.m_type != "SCOPE_MODULE") continue; - string symName = it->second.m_symName; + const string symName = it->second.m_symName; string above = symName; if (above.substr(0, 4) == "TOP.") above.replace(0, 4, ""); @@ -278,6 +278,7 @@ class EmitCSyms final : EmitCBaseVisitor { if (!m_dpiHdrOnly) emitDpiImp(); } } + virtual void visit(AstConstPool* nodep) override {} // Ignore virtual void visit(AstNodeModule* nodep) override { nameCheck(nodep); VL_RESTORER(m_modp); @@ -288,10 +289,11 @@ class EmitCSyms final : EmitCBaseVisitor { } virtual void visit(AstCellInline* nodep) override { if (v3Global.opt.vpi()) { - string type = (nodep->origModName() == "__BEGIN__") ? "SCOPE_OTHER" : "SCOPE_MODULE"; - string name = nodep->scopep()->name() + "__DOT__" + nodep->name(); - string name_dedot = AstNode::dedotName(name); - int timeunit = m_modp->timeunit().powerOfTen(); + const string type + = (nodep->origModName() == "__BEGIN__") ? "SCOPE_OTHER" : "SCOPE_MODULE"; + const string name = nodep->scopep()->name() + "__DOT__" + nodep->name(); + const string name_dedot = AstNode::dedotName(name); + const int timeunit = m_modp->timeunit().powerOfTen(); m_vpiScopeCandidates.insert( std::make_pair(name, ScopeData(scopeSymString(name), name_dedot, timeunit, type))); } @@ -303,19 +305,19 @@ class EmitCSyms final : EmitCBaseVisitor { m_scopes.emplace_back(std::make_pair(nodep, m_modp)); if (v3Global.opt.vpi() && !nodep->isTop()) { - string type = VN_IS(nodep->modp(), Package) ? "SCOPE_OTHER" : "SCOPE_MODULE"; - string name_dedot = AstNode::dedotName(nodep->shortName()); - int timeunit = m_modp->timeunit().powerOfTen(); + const string type = VN_IS(nodep->modp(), Package) ? "SCOPE_OTHER" : "SCOPE_MODULE"; + const string name_dedot = AstNode::dedotName(nodep->shortName()); + const int timeunit = m_modp->timeunit().powerOfTen(); m_vpiScopeCandidates.insert( std::make_pair(nodep->name(), ScopeData(scopeSymString(nodep->name()), name_dedot, timeunit, type))); } } virtual void visit(AstScopeName* nodep) override { - string name = nodep->scopeSymName(); + const string name = nodep->scopeSymName(); // UINFO(9,"scnameins sp "<name()<<" sp "<scopePrettySymName() // <<" ss"<timeunit().powerOfTen() : 0; + const int timeunit = m_modp ? m_modp->timeunit().powerOfTen() : 0; if (m_scopeNames.find(name) == m_scopeNames.end()) { m_scopeNames.emplace( name, ScopeData(name, nodep->scopePrettySymName(), timeunit, "SCOPE_OTHER")); @@ -347,7 +349,7 @@ class EmitCSyms final : EmitCBaseVisitor { } virtual void visit(AstCFunc* nodep) override { nameCheck(nodep); - if (nodep->dpiImport() || nodep->dpiExportWrapper()) m_dpis.push_back(nodep); + if (nodep->dpiImportPrototype() || nodep->dpiExportDispatcher()) m_dpis.push_back(nodep); VL_RESTORER(m_cfuncp); { m_cfuncp = nodep; @@ -368,7 +370,7 @@ public: void EmitCSyms::emitSymHdr() { UINFO(6, __FUNCTION__ << ": " << endl); - string filename = v3Global.opt.makeDir() + "/" + symClassName() + ".h"; + const string filename = v3Global.opt.makeDir() + "/" + symClassName() + ".h"; newCFile(filename, true /*slow*/, false /*source*/); if (v3Global.opt.systemC()) { @@ -378,8 +380,7 @@ void EmitCSyms::emitSymHdr() { } ofp()->putsHeader(); - puts("// DESCR" - "IPTION: Verilator output: Symbol table internal header\n"); + puts("// DESCRIPTION: Verilator output: Symbol table internal header\n"); puts("//\n"); puts("// Internal details; most calling programs do not need this header,\n"); puts("// unless using verilator public meta comments.\n"); @@ -388,12 +389,14 @@ void EmitCSyms::emitSymHdr() { puts("\n"); ofp()->putsIntTopInclude(); - if (v3Global.needHeavy()) { - puts("#include \"verilated_heavy.h\"\n"); - } else { - puts("#include \"verilated.h\"\n"); + puts("#include \"verilated_heavy.h\"\n"); + if (v3Global.needTraceDumper()) { + puts("#include \"" + v3Global.opt.traceSourceLang() + ".h\"\n"); } + puts("\n// INCLUDE MODEL CLASS\n"); + puts("\n#include \"" + topClassName() + ".h\"\n"); + puts("\n// INCLUDE MODULE CLASSES\n"); for (AstNodeModule* nodep = v3Global.rootp()->modulesp(); nodep; nodep = VN_CAST(nodep->nextp(), NodeModule)) { @@ -406,49 +409,61 @@ void EmitCSyms::emitSymHdr() { std::map types; // Remove duplicates and sort for (const auto& itr : m_scopeFuncs) { AstCFunc* funcp = itr.second.m_cfuncp; - if (funcp->dpiExport()) { - string cbtype = protect(v3Global.opt.prefix() + "__Vcb_" + funcp->cname() + "_t"); + if (funcp->dpiExportImpl()) { + const string cbtype + = protect(v3Global.opt.prefix() + "__Vcb_" + funcp->cname() + "_t"); types["using " + cbtype + " = void (*) (" + cFuncArgs(funcp) + ");\n"] = 1; } } for (const auto& i : types) puts(i.first); } - puts("\n// SYMS CLASS\n"); - puts(string("class ") + symClassName() + " : public VerilatedSyms {\n"); + puts("\n// SYMS CLASS (contains all model state)\n"); + puts("class " + symClassName() + " final : public VerilatedSyms {\n"); ofp()->putsPrivate(false); // public: - puts("\n// LOCAL STATE\n"); - // Must be before subcells, as constructor order needed before _vlCoverInsert. - puts("const char* __Vm_namep;\n"); + puts("// INTERNAL STATE\n"); + puts(topClassName() + "* const __Vm_modelp;\n"); if (v3Global.needTraceDumper()) { // __Vm_dumperp is local, otherwise we wouldn't know what design's eval() // should call a global dumpperp - puts("bool __Vm_dumping; // Dumping is active\n"); + puts("bool __Vm_dumping = false; // Dumping is active\n"); puts("VerilatedMutex __Vm_dumperMutex; // Protect __Vm_dumperp\n"); puts(v3Global.opt.traceClassLang() - + "* __Vm_dumperp VL_GUARDED_BY(__Vm_dumperMutex); /// Trace class for $dump*\n"); + + "* __Vm_dumperp VL_GUARDED_BY(__Vm_dumperMutex) = nullptr;" + " /// Trace class for $dump*\n"); } if (v3Global.opt.trace()) { - puts("bool __Vm_activity; ///< Used by trace routines to determine change occurred\n"); - puts("uint32_t __Vm_baseCode; " - "///< Used by trace routines when tracing multiple models\n"); + puts("bool __Vm_activity = false;" + " ///< Used by trace routines to determine change occurred\n"); + puts("uint32_t __Vm_baseCode = 0;" + " ///< Used by trace routines when tracing multiple models\n"); } - puts("bool __Vm_didInit;\n"); + puts("bool __Vm_didInit = false;\n"); - puts("\n// SUBCELL STATE\n"); + if (v3Global.opt.mtasks()) { + puts("VlThreadPool* const __Vm_threadPoolp;\n"); + puts("bool __Vm_even_cycle = false;\n"); + + if (v3Global.opt.profThreads()) { + // rdtsc() at current cycle start + puts("vluint64_t __Vm_profile_cycle_start = 0;\n"); + // Time we finished analysis + puts("vluint64_t __Vm_profile_time_finished = 0;\n"); + // Track our position in the cache warmup and actual profile window + puts("vluint32_t __Vm_profile_window_ct = 0;\n"); + } + } + + puts("\n// MODULE INSTANCE STATE\n"); for (const auto& i : m_scopes) { AstScope* scopep = i.first; AstNodeModule* modp = i.second; if (VN_IS(modp, Class)) continue; - if (modp->isTop()) { - ofp()->printf("%-30s ", (prefixNameProtect(modp) + "*").c_str()); - puts(protectIf(scopep->nameDotless() + "p", scopep->protect()) + ";\n"); - } else { - ofp()->printf("%-30s ", (prefixNameProtect(modp) + "").c_str()); - puts(protectIf(scopep->nameDotless(), scopep->protect()) + ";\n"); - } + const string name = prefixNameProtect(modp); + ofp()->printf("%-30s ", name.c_str()); + puts(protectIf(scopep->nameDotless(), scopep->protect()) + ";\n"); } if (m_coverBins) { @@ -471,28 +486,30 @@ void EmitCSyms::emitSymHdr() { puts("VerilatedHierarchy __Vhier;\n"); } - puts("\n// CREATORS\n"); - puts(symClassName() + "(VerilatedContext* contextp, " + topClassName() - + "* topp, const char* namep);\n"); + puts("\n// CONSTRUCTORS\n"); + puts(symClassName() + "(VerilatedContext* contextp, const char* namep, " + topClassName() + + "* modelp);\n"); puts(string("~") + symClassName() + "();\n"); for (const auto& i : m_usesVfinal) { puts("void " + symClassName() + "_" + cvtToStr(i.first) + "("); - if (i.second) { - puts("int __Vfinal"); - } else { - puts(topClassName() + "* topp"); - } + if (i.second) { puts("int __Vfinal"); } puts(");\n"); } puts("\n// METHODS\n"); - puts("inline const char* name() { return __Vm_namep; }\n"); + puts("const char* name() { return TOP.name(); }\n"); + + if (v3Global.needTraceDumper()) { + if (!optSystemC()) puts("void _traceDump();\n"); + puts("void _traceDumpOpen();\n"); + puts("void _traceDumpClose();\n"); + } + if (v3Global.opt.savable()) { puts("void " + protect("__Vserialize") + "(VerilatedSerialize& os);\n"); puts("void " + protect("__Vdeserialize") + "(VerilatedDeserialize& os);\n"); } - puts("\n"); puts("} VL_ATTR_ALIGNED(VL_CACHE_LINE_BYTES);\n"); ofp()->putsEndGuard(); @@ -530,20 +547,12 @@ void EmitCSyms::checkSplit(bool usesVfinal) { } m_ofpBase->puts(symClassName() + "_" + cvtToStr(m_funcNum) + "("); - if (usesVfinal) { - m_ofpBase->puts("__Vfinal"); - } else { - m_ofpBase->puts("topp"); - } + if (usesVfinal) { m_ofpBase->puts("__Vfinal"); } m_ofpBase->puts(");\n"); emitSymImpPreamble(); puts("void " + symClassName() + "::" + symClassName() + "_" + cvtToStr(m_funcNum) + "("); - if (usesVfinal) { - puts("int __Vfinal"); - } else { - puts(topClassName() + "* topp"); - } + if (usesVfinal) { puts("int __Vfinal"); } puts(") {\n"); } @@ -555,21 +564,32 @@ void EmitCSyms::emitSymImpPreamble() { // Includes puts("#include \"" + symClassName() + ".h\"\n"); + puts("#include \"" + topClassName() + ".h\"\n"); for (AstNodeModule* nodep = v3Global.rootp()->modulesp(); nodep; nodep = VN_CAST(nodep->nextp(), NodeModule)) { if (VN_IS(nodep, Class)) continue; // Class included earlier puts("#include \"" + prefixNameProtect(nodep) + ".h\"\n"); } + puts("\n"); + // Declarations for DPI Export implementation functions + bool needsNewLine = false; + for (const auto& pair : m_scopeFuncs) { + const AstCFunc* const funcp = pair.second.m_cfuncp; + if (!funcp->dpiExportImpl()) continue; + emitCFuncDecl(funcp, pair.second.m_modp); + needsNewLine = true; + } + if (needsNewLine) puts("\n"); } void EmitCSyms::emitScopeHier(bool destroy) { if (v3Global.opt.vpi()) { - string verb = destroy ? "Tear down" : "Set up"; - string method = destroy ? "remove" : "add"; + const string verb = destroy ? "Tear down" : "Set up"; + const string method = destroy ? "remove" : "add"; puts("\n// " + verb + " scope hierarchy\n"); for (ScopeNames::const_iterator it = m_scopeNames.begin(); it != m_scopeNames.end(); ++it) { - string name = it->second.m_prettyName; + const string name = it->second.m_prettyName; if (it->first == "TOP") continue; if ((name.find('.') == string::npos) && (it->second.m_type == "SCOPE_MODULE")) { puts("__Vhier." + method + "(0, &" + protect("__Vscope_" + it->second.m_symName) @@ -580,8 +600,8 @@ void EmitCSyms::emitScopeHier(bool destroy) { for (auto it = m_vpiScopeHierarchy.cbegin(); it != m_vpiScopeHierarchy.cend(); ++it) { for (ScopeNameList::const_iterator lit = it->second.begin(); lit != it->second.end(); ++lit) { - string fromname = scopeSymString(it->first); - string toname = scopeSymString(*lit); + const string fromname = scopeSymString(it->first); + const string toname = scopeSymString(*lit); const auto from = vlstd::as_const(m_scopeNames).find(fromname); const auto to = vlstd::as_const(m_scopeNames).find(toname); UASSERT(from != m_scopeNames.end(), fromname + " not in m_scopeNames"); @@ -597,7 +617,7 @@ void EmitCSyms::emitScopeHier(bool destroy) { void EmitCSyms::emitSymImp() { UINFO(6, __FUNCTION__ << ": " << endl); - string filename = v3Global.opt.makeDir() + "/" + symClassName() + ".cpp"; + const string filename = v3Global.opt.makeDir() + "/" + symClassName() + ".cpp"; AstCFile* cfilep = newCFile(filename, true /*slow*/, true /*source*/); cfilep->support(true); @@ -610,89 +630,120 @@ void EmitCSyms::emitSymImp() { m_ofpBase = m_ofp; emitSymImpPreamble(); - // puts("\n// GLOBALS\n"); - - puts("\n"); - if (v3Global.opt.savable()) { - puts("\n"); for (int de = 0; de < 2; ++de) { - string classname = de ? "VerilatedDeserialize" : "VerilatedSerialize"; - string funcname = de ? "__Vdeserialize" : "__Vserialize"; - string op = de ? ">>" : "<<"; + const string classname = de ? "VerilatedDeserialize" : "VerilatedSerialize"; + const string funcname = de ? "__Vdeserialize" : "__Vserialize"; + const string op = de ? ">>" : "<<"; // NOLINTNEXTLINE(performance-inefficient-string-concatenation) puts("void " + symClassName() + "::" + protect(funcname) + "(" + classname + "& os) {\n"); - puts("// LOCAL STATE\n"); - // __Vm_namep presumably already correct + puts("// Internal state\n"); if (v3Global.opt.trace()) puts("os" + op + "__Vm_activity;\n"); - puts("os" + op + "__Vm_didInit;\n"); - puts("// SUBCELL STATE\n"); - for (std::vector::iterator it = m_scopes.begin(); it != m_scopes.end(); - ++it) { - AstScope* scopep = it->first; - AstNodeModule* modp = it->second; - if (!modp->isTop()) { - puts(protectIf(scopep->nameDotless(), scopep->protect()) + "." - + protect(funcname) + "(os);\n"); - } + puts("os " + op + " __Vm_didInit;\n"); + puts("// Module instance state\n"); + for (const auto& pair : m_scopes) { + const AstScope* const scopep = pair.first; + puts(protectIf(scopep->nameDotless(), scopep->protect()) + "." + protect(funcname) + + "(os);\n"); } puts("}\n"); } + puts("\n"); } - puts("\n"); - - puts("\n// FUNCTIONS\n"); + puts("// FUNCTIONS\n"); + // Destructor puts(symClassName() + "::~" + symClassName() + "()\n"); puts("{\n"); emitScopeHier(true); - puts("}\n\n"); - puts(symClassName() + "::" + symClassName() + "(VerilatedContext* contextp, " + topClassName() - + "* topp, const char* namep)\n"); - puts(" // Setup locals\n"); - puts(" : VerilatedSyms{contextp}\n"); - puts(" , __Vm_namep(namep)\n"); // No leak, as gets destroyed when the top is destroyed if (v3Global.needTraceDumper()) { - puts(" , __Vm_dumping(false)\n"); - puts(" , __Vm_dumperp(nullptr)\n"); + puts("#ifdef VM_TRACE\n"); + puts("if (__Vm_dumping) _traceDumpClose();\n"); + puts("#endif // VM_TRACE\n"); } - if (v3Global.opt.trace()) { - puts(" , __Vm_activity(false)\n"); - puts(" , __Vm_baseCode(0)\n"); + if (v3Global.opt.mtasks()) { puts("delete __Vm_threadPoolp;\n"); } + puts("}\n\n"); + + // Constructor + puts(symClassName() + "::" + symClassName() + "(VerilatedContext* contextp, const char* namep," + + topClassName() + "* modelp)\n"); + puts(" : VerilatedSyms{contextp}\n"); + puts(" // Setup internal state of the Syms class\n"); + puts(" , __Vm_modelp(modelp)\n"); + + if (v3Global.opt.mtasks()) { + // TODO -- For now each model creates its own ThreadPool here, + // and deletes it in the destructor. If A and B are each top level + // modules, each creates a separate thread pool. This allows + // A.eval() and B.eval() to run concurrently without any + // interference -- so long as the physical machine has enough cores + // to support both pools and all testbench threads. + // + // In the future, we might want to let the client provide a + // threadpool to the constructor. This would allow two or more + // models to share a single threadpool. + // + // For example: suppose models A and B are each compiled to run on + // 4 threads. The client might create a single thread pool with 3 + // threads and pass it to both models. If the client can ensure that + // A.eval() and B.eval() do NOT run concurrently, there will be no + // contention for the threads. This mode is missing for now. (Is + // there demand for such a setup?) + // + // Note we create N-1 threads in the thread pool. The thread + // that calls eval() becomes the final Nth thread for the + // duration of the eval call. + puts(" , __Vm_threadPoolp(new VlThreadPool(_vm_contextp__, " + + cvtToStr(v3Global.opt.threads() - 1) + ", " + cvtToStr(v3Global.opt.profThreads()) + + "))\n"); } - puts(" , __Vm_didInit(false)\n"); - puts(" // Setup submodule names\n"); - char comma = ','; + + puts(" // Setup module instances\n"); for (const auto& i : m_scopes) { - AstScope* scopep = i.first; - AstNodeModule* modp = i.second; + const AstScope* const scopep = i.first; + const AstNodeModule* const modp = i.second; + puts(" , "); + puts(protect(scopep->nameDotless())); if (modp->isTop()) { + puts("(namep)\n"); } else { - puts(string(" ") + comma + " " + protect(scopep->nameDotless())); - puts("(Verilated::catName(topp->name(), "); // The "." is added by catName + puts("(Verilated::catName(namep, "); putsQuoted(protectWordsIf(scopep->prettyName(), scopep->protect())); puts("))\n"); - comma = ','; - ++m_numStmts; } + ++m_numStmts; } puts("{\n"); - puts("// Pointer to top level\n"); - puts("TOPp = topp;\n"); + puts("// Configure time unit / time precision\n"); + if (!v3Global.rootp()->timeunit().isNone()) { + puts("_vm_contextp__->timeunit("); + puts(cvtToStr(v3Global.rootp()->timeunit().powerOfTen())); + puts(");\n"); + } + if (!v3Global.rootp()->timeprecision().isNone()) { + puts("_vm_contextp__->timeprecision("); + puts(cvtToStr(v3Global.rootp()->timeprecision().powerOfTen())); + puts(");\n"); + } + puts("// Setup each module's pointers to their submodules\n"); for (const auto& i : m_scopes) { - AstScope* scopep = i.first; - AstNodeModule* modp = i.second; - if (!modp->isTop()) { + const AstScope* const scopep = i.first; + const AstNodeModule* const modp = i.second; + if (const AstScope* const aboveScopep = scopep->aboveScopep()) { checkSplit(false); - string arrow = scopep->name(); - string::size_type pos; - while ((pos = arrow.find('.')) != string::npos) arrow.replace(pos, 1, "->"); - if (arrow.substr(0, 5) == "TOP->") arrow.replace(0, 5, "TOPp->"); - ofp()->puts(protectWordsIf(arrow, scopep->protect())); + const string protName = protectWordsIf(scopep->name(), scopep->protect()); + if (VN_IS(modp, ClassPackage)) { + // ClassPackage modules seem to be a bit out of place, so hard code... + puts("TOP"); + } else { + puts(protectIf(aboveScopep->nameDotless(), aboveScopep->protect())); + } + puts("."); + puts(protName.substr(protName.rfind(".") + 1)); puts(" = &"); puts(protectIf(scopep->nameDotless(), scopep->protect()) + ";\n"); ++m_numStmts; @@ -700,19 +751,16 @@ void EmitCSyms::emitSymImp() { } puts("// Setup each module's pointer back to symbol table (for public functions)\n"); - puts("TOPp->" + protect("__Vconfigure") + "(this, true);\n"); for (const auto& i : m_scopes) { AstScope* scopep = i.first; AstNodeModule* modp = i.second; - if (!modp->isTop()) { - checkSplit(false); - // first is used by AstCoverDecl's call to __vlCoverInsert - bool first = !modp->user1(); - modp->user1(true); - puts(protectIf(scopep->nameDotless(), scopep->protect()) + "." - + protect("__Vconfigure") + "(this, " + (first ? "true" : "false") + ");\n"); - ++m_numStmts; - } + checkSplit(false); + // first is used by AstCoverDecl's call to __vlCoverInsert + const bool first = !modp->user1(); + modp->user1(true); + puts(protectIf(scopep->nameDotless(), scopep->protect()) + "." + protect("__Vconfigure") + + "(this, " + (first ? "true" : "false") + ");\n"); + ++m_numStmts; } if (!m_scopeNames.empty()) { // Setup scope names @@ -742,13 +790,13 @@ void EmitCSyms::emitSymImp() { AstScopeName* scopep = it->second.m_scopep; AstCFunc* funcp = it->second.m_cfuncp; AstNodeModule* modp = it->second.m_modp; - if (funcp->dpiExport()) { + if (funcp->dpiExportImpl()) { checkSplit(true); puts(protect("__Vscope_" + scopep->scopeSymName()) + ".exportInsert(__Vfinal, "); putsQuoted(funcp->cname()); // Not protected - user asked for import/export puts(", (void*)(&"); puts(prefixNameProtect(modp)); - puts("::"); + puts("__"); puts(funcp->nameProtect()); puts("));\n"); ++m_numStmts; @@ -758,7 +806,6 @@ void EmitCSyms::emitSymImp() { // Someday. For now public isn't common. for (auto it = m_scopeVars.begin(); it != m_scopeVars.end(); ++it) { checkSplit(true); - AstNodeModule* modp = it->second.m_modp; AstScope* scopep = it->second.m_scopep; AstVar* varp = it->second.m_varp; // @@ -810,11 +857,7 @@ void EmitCSyms::emitSymImp() { putsQuoted(protect(it->second.m_varBasePretty)); std::string varName; - if (modp->isTop()) { - varName += (protectIf(scopep->nameDotless() + "p", scopep->protect()) + "->"); - } else { - varName += (protectIf(scopep->nameDotless(), scopep->protect()) + "."); - } + varName += (protectIf(scopep->nameDotless(), scopep->protect()) + "."); if (varp->isParam()) { varName += protect("var_" + varp->name()); @@ -853,6 +896,34 @@ void EmitCSyms::emitSymImp() { } m_ofpBase->puts("}\n"); + + if (v3Global.needTraceDumper()) { + if (!optSystemC()) { + puts("\nvoid " + symClassName() + "::_traceDump() {\n"); + // Caller checked for __Vm_dumperp non-nullptr + puts("const VerilatedLockGuard lock(__Vm_dumperMutex);\n"); + puts("__Vm_dumperp->dump(VL_TIME_Q());\n"); + puts("}\n"); + } + + puts("\nvoid " + symClassName() + "::_traceDumpOpen() {\n"); + puts("const VerilatedLockGuard lock(__Vm_dumperMutex);\n"); + puts("if (VL_UNLIKELY(!__Vm_dumperp)) {\n"); + puts("__Vm_dumperp = new " + v3Global.opt.traceClassLang() + "();\n"); + puts("__Vm_modelp->trace(__Vm_dumperp, 0, 0);\n"); + puts("std::string dumpfile = _vm_contextp__->dumpfileCheck();\n"); + puts("__Vm_dumperp->open(dumpfile.c_str());\n"); + puts("__Vm_dumping = true;\n"); + puts("}\n"); + puts("}\n"); + + puts("\nvoid " + symClassName() + "::_traceDumpClose() {\n"); + puts("const VerilatedLockGuard lock(__Vm_dumperMutex);\n"); + puts("__Vm_dumping = false;\n"); + puts("VL_DO_CLEAR(delete __Vm_dumperp, __Vm_dumperp = nullptr);\n"); + puts("}\n"); + } + closeSplit(); VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr); } @@ -861,7 +932,7 @@ void EmitCSyms::emitSymImp() { void EmitCSyms::emitDpiHdr() { UINFO(6, __FUNCTION__ << ": " << endl); - string filename = v3Global.opt.makeDir() + "/" + topClassName() + "__Dpi.h"; + const string filename = v3Global.opt.makeDir() + "/" + topClassName() + "__Dpi.h"; AstCFile* cfilep = newCFile(filename, false /*slow*/, false /*source*/); cfilep->support(true); V3OutCFile hf(filename); @@ -885,13 +956,13 @@ void EmitCSyms::emitDpiHdr() { int firstExp = 0; int firstImp = 0; for (AstCFunc* nodep : m_dpis) { - if (nodep->dpiExportWrapper()) { + if (nodep->dpiExportDispatcher()) { if (!firstExp++) puts("\n// DPI EXPORTS\n"); putsDecoration("// DPI export" + ifNoProtect(" at " + nodep->fileline()->ascii()) + "\n"); puts("extern " + nodep->rtnTypeVoid() + " " + nodep->nameProtect() + "(" + cFuncArgs(nodep) + ");\n"); - } else if (nodep->dpiImport()) { + } else if (nodep->dpiImportPrototype()) { if (!firstImp++) puts("\n// DPI IMPORTS\n"); putsDecoration("// DPI import" + ifNoProtect(" at " + nodep->fileline()->ascii()) + "\n"); @@ -910,7 +981,7 @@ void EmitCSyms::emitDpiHdr() { void EmitCSyms::emitDpiImp() { UINFO(6, __FUNCTION__ << ": " << endl); - string filename = v3Global.opt.makeDir() + "/" + topClassName() + "__Dpi.cpp"; + const string filename = v3Global.opt.makeDir() + "/" + topClassName() + "__Dpi.cpp"; AstCFile* cfilep = newCFile(filename, false /*slow*/, true /*source*/); cfilep->support(true); V3OutCFile hf(filename); @@ -936,7 +1007,7 @@ void EmitCSyms::emitDpiImp() { puts("\n"); for (AstCFunc* nodep : m_dpis) { - if (nodep->dpiExportWrapper()) { + if (nodep->dpiExportDispatcher()) { // Prevent multi-definition if used by multiple models puts("#ifndef VL_DPIDECL_" + nodep->name() + "_\n"); puts("#define VL_DPIDECL_" + nodep->name() + "_\n"); diff --git a/src/V3EmitMk.cpp b/src/V3EmitMk.cpp index dc8b932c7..23e89fea8 100644 --- a/src/V3EmitMk.cpp +++ b/src/V3EmitMk.cpp @@ -168,6 +168,8 @@ public: } of.puts("\n### Switches...\n"); + of.puts("# C++ code coverage 0/1 (from --prof-c)\n"); + of.puts(string("VM_PROFC = ") + ((v3Global.opt.profC()) ? "1" : "0") + "\n"); of.puts("# SystemC output mode? 0/1 (from --sc)\n"); of.puts(string("VM_SC = ") + ((v3Global.opt.systemC()) ? "1" : "0") + "\n"); of.puts("# Legacy or SystemC output mode? 0/1 (from --sc)\n"); @@ -203,7 +205,7 @@ public: const V3StringSet& cppFiles = v3Global.opt.cppFiles(); for (const auto& cppfile : cppFiles) { of.puts("\t" + V3Os::filenameNonExt(cppfile) + " \\\n"); - string dir = V3Os::filenameDir(cppfile); + const string dir = V3Os::filenameDir(cppfile); dirs.insert(dir); } of.puts("\n"); @@ -228,7 +230,7 @@ public: of.puts("VPATH += $(VM_USER_DIR)\n"); of.puts("\n"); for (const string& cppfile : cppFiles) { - string basename = V3Os::filenameNonExt(cppfile); + const string basename = V3Os::filenameNonExt(cppfile); // NOLINTNEXTLINE(performance-inefficient-string-concatenation) of.puts(basename + ".o: " + cppfile + "\n"); of.puts("\t$(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_FAST) -c -o $@ $<\n"); diff --git a/src/V3EmitV.cpp b/src/V3EmitV.cpp index a79cb32d4..aad3f2348 100644 --- a/src/V3EmitV.cpp +++ b/src/V3EmitV.cpp @@ -624,9 +624,12 @@ class EmitVBaseVisitor VL_NOT_FINAL : public EmitCBaseVisitor { if (nodep->varScopep()) { putfs(nodep, nodep->varScopep()->prettyName()); } else { - putfs(nodep, nodep->hiernameToUnprot()); - puts(nodep->hiernameToProt()); - puts(nodep->varp()->prettyName()); + if (nodep->selfPointer().empty()) { + putfs(nodep, nodep->varp()->prettyName()); + } else { + putfs(nodep, nodep->selfPointer() + "->"); + puts(nodep->varp()->prettyName()); + } } } virtual void visit(AstVarXRef* nodep) override { @@ -847,7 +850,8 @@ void V3EmitV::emitvFiles() { void V3EmitV::debugEmitV(const string& stage) { UINFO(2, __FUNCTION__ << ": " << endl); - string filename = v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + "__" + stage + ".v"; + const string filename + = v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + "__" + stage + ".v"; V3OutVFile of(filename); EmitVFileVisitor visitor(v3Global.rootp(), &of, true, true); } diff --git a/src/V3EmitXml.cpp b/src/V3EmitXml.cpp index e02173e09..1e38e5552 100644 --- a/src/V3EmitXml.cpp +++ b/src/V3EmitXml.cpp @@ -117,6 +117,7 @@ class EmitXmlFileVisitor final : public AstNVisitor { iterateChildren(nodep); puts("\n"); } + virtual void visit(AstConstPool*) override {} virtual void visit(AstNodeModule* nodep) override { outputTag(nodep, ""); puts(" origName="); @@ -128,13 +129,14 @@ class EmitXmlFileVisitor final : public AstNVisitor { outputChildrenEnd(nodep, ""); } virtual void visit(AstVar* nodep) override { - AstVarType typ = nodep->varType(); - string kw = nodep->verilogKwd(); - string vt = nodep->dtypep()->name(); + const AstVarType typ = nodep->varType(); + const string kw = nodep->verilogKwd(); + const string vt = nodep->dtypep()->name(); outputTag(nodep, ""); if (nodep->isIO()) { puts(" dir="); putsQuoted(kw); + if (nodep->pinNum() != 0) puts(" pinIndex=\"" + cvtToStr(nodep->pinNum()) + "\""); puts(" vartype="); putsQuoted(!vt.empty() ? vt : typ == AstVarType::PORT ? "port" : "unknown"); } else { @@ -181,7 +183,7 @@ class EmitXmlFileVisitor final : public AstNVisitor { } virtual void visit(AstModportVarRef* nodep) override { // Dump direction for Modport references - string kw = nodep->direction().xmlKwd(); + const string kw = nodep->direction().xmlKwd(); outputTag(nodep, ""); puts(" direction="); putsQuoted(kw); @@ -316,15 +318,17 @@ private: VL_DEBUG_FUNC; // Declare debug() // VISITORS + virtual void visit(AstConstPool*) override {} virtual void visit(AstNodeModule* nodep) override { if (nodep->level() >= 0 && nodep->level() <= 2) { // ==2 because we don't add wrapper when in XML mode m_os << "\n"; m_os << "fileline()->xml() << " " - << nodep->fileline()->xmlDetailedLocation() << " name=\"" << nodep->name() << "\"" - << " submodname=\"" << nodep->name() << "\"" - << " hier=\"" << nodep->name() << "\""; - m_hier = nodep->name() + "."; + << nodep->fileline()->xmlDetailedLocation() // + << " name=\"" << nodep->prettyName() << "\"" + << " submodname=\"" << nodep->prettyName() << "\"" + << " hier=\"" << nodep->prettyName() << "\""; + m_hier = nodep->prettyName() + "."; m_hasChildren = false; iterateChildren(nodep); if (m_hasChildren) { @@ -373,9 +377,9 @@ public: void V3EmitXml::emitxml() { UINFO(2, __FUNCTION__ << ": " << endl); // All-in-one file - string filename = (v3Global.opt.xmlOutput().empty() - ? v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + ".xml" - : v3Global.opt.xmlOutput()); + const string filename = (v3Global.opt.xmlOutput().empty() + ? v3Global.opt.makeDir() + "/" + v3Global.opt.prefix() + ".xml" + : v3Global.opt.xmlOutput()); V3OutXmlFile of(filename); of.putsHeader(); of.puts(" + - + @@ -29,6 +30,7 @@ + @@ -38,6 +40,6 @@ + - diff --git a/test_regress/t/t_source_sync.out b/test_regress/t/t_source_sync.out new file mode 100644 index 000000000..92dd48e27 --- /dev/null +++ b/test_regress/t/t_source_sync.out @@ -0,0 +1,7 @@ +%Error: t/t_source_sync.v:8:14: syntax error, unexpected /*verilator clocker*/, expecting ',' or ';' + 8 | logic clk /*verilator clocker*/ ; + | ^~~~~~~~~~~~~~~~~~~~~ +%Error: t/t_source_sync.v:10:1: syntax error, unexpected '}' + 10 | } ss_s; + | ^ +%Error: Exiting due to diff --git a/test_regress/t/t_flag_topmod2_bad.pl b/test_regress/t/t_source_sync.pl similarity index 82% rename from test_regress/t/t_flag_topmod2_bad.pl rename to test_regress/t/t_source_sync.pl index 8835ebd9c..f34ef865a 100755 --- a/test_regress/t/t_flag_topmod2_bad.pl +++ b/test_regress/t/t_source_sync.pl @@ -2,7 +2,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; } # DESCRIPTION: Verilator: Verilog Test driver/expect definition # -# Copyright 2008 by Wilson Snyder. This program is free software; you +# Copyright 2019 by Wilson Snyder. This program is free software; you # can redistribute it and/or modify it under the terms of either the GNU # Lesser General Public License Version 3 or the Perl Artistic License # Version 2.0. @@ -10,8 +10,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di scenarios(vlt => 1); -lint( - v_flags2 => ["--top-module a "], +compile( fails => 1, expect_filename => $Self->{golden_filename}, ); diff --git a/test_regress/t/t_source_sync.v b/test_regress/t/t_source_sync.v new file mode 100644 index 000000000..2ca3a7282 --- /dev/null +++ b/test_regress/t/t_source_sync.v @@ -0,0 +1,12 @@ +// DESCRIPTION: Verilator: Verilog Test module +// +// This file ONLY is placed under the Creative Commons Public Domain, for +// any use, without warranty, 2020 by Dan Petrisko. +// SPDX-License-Identifier: CC0-1.0 + +typedef struct packed { + logic clk /*verilator clocker*/; + logic data; +} ss_s; + +endmodule diff --git a/test_regress/t/t_threads_crazy.pl b/test_regress/t/t_threads_crazy.pl index 1d54c9e0a..54641105d 100755 --- a/test_regress/t/t_threads_crazy.pl +++ b/test_regress/t/t_threads_crazy.pl @@ -10,6 +10,10 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di scenarios(vltmt => 1); +if ($Self->cfg_with_m32) { + skip("Does not work with -m32 (resource unavailable)"); +} + compile( verilator_flags2 => ['--cc --threads 1024'], ); diff --git a/test_regress/t/t_trace_array.out b/test_regress/t/t_trace_array.out new file mode 100644 index 000000000..4791912ee --- /dev/null +++ b/test_regress/t/t_trace_array.out @@ -0,0 +1,55 @@ +$version Generated by VerilatedVcd $end +$date Thu Jul 1 22:52:39 2021 $end +$timescale 1ps $end + + $scope module top $end + $var wire 1 ]b# clk $end + $scope module t $end + $var wire 1 ]b# clk $end + $var wire 32 # cyc [31:0] $end + $scope struct biggie $end + $var wire 1048577 $ d [1048576:0] $end + $upscope $end + $upscope $end + $upscope $end +$enddefinitions $end + + 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$ +1]b# diff --git a/test_regress/t/t_trace_array.pl b/test_regress/t/t_trace_array.pl index 63bf5c2b6..ff327974a 100755 --- a/test_regress/t/t_trace_array.pl +++ b/test_regress/t/t_trace_array.pl @@ -18,7 +18,7 @@ execute( check_finished => 1, ); -file_grep("$Self->{obj_dir}/simx.vcd", qr/\$enddefinitions/x); +vcd_identical($Self->trace_filename, $Self->{golden_filename}); ok(1); 1; diff --git a/test_regress/t/t_trace_array_fst.out b/test_regress/t/t_trace_array_fst.out index 9c1c6afd6..030701a44 100644 --- a/test_regress/t/t_trace_array_fst.out +++ b/test_regress/t/t_trace_array_fst.out @@ -1,5 +1,5 @@ $date - Sun Apr 19 04:15:23 2020 + Thu Jul 1 22:53:18 2021 $end $version @@ -19,41 +19,43 @@ $upscope $end $upscope $end $upscope $end $enddefinitions $end +#0 $dumpvars -0! -b00000000000000000000000000000000 " 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# diff --git a/test_regress/t/t_trace_array_threads_1.pl b/test_regress/t/t_trace_array_threads_1.pl index 618053e42..9f4332d28 100755 --- a/test_regress/t/t_trace_array_threads_1.pl +++ b/test_regress/t/t_trace_array_threads_1.pl @@ -11,6 +11,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di scenarios(vlt => 1); top_filename("t/t_trace_array.v"); +golden_filename("t/t_trace_array.out"); compile( verilator_flags2 => ['--cc --trace --trace-threads 1 --trace-structs'], @@ -20,7 +21,7 @@ execute( check_finished => 1, ); -file_grep("$Self->{obj_dir}/simx.vcd", qr/\$enddefinitions/x); +vcd_identical($Self->trace_filename, $Self->{golden_filename}); ok(1); 1; diff --git a/test_regress/t/t_trace_two_cc.cpp b/test_regress/t/t_trace_two_cc.cpp index 4b445b8ed..02c639418 100644 --- a/test_regress/t/t_trace_two_cc.cpp +++ b/test_regress/t/t_trace_two_cc.cpp @@ -22,8 +22,9 @@ // Compile in place #include "Vt_trace_two_b.cpp" -#include "Vt_trace_two_b__Slow.cpp" #include "Vt_trace_two_b__Syms.cpp" +#include "Vt_trace_two_b___024root.cpp" +#include "Vt_trace_two_b___024root__Slow.cpp" #include "Vt_trace_two_b__Trace.cpp" #include "Vt_trace_two_b__Trace__Slow.cpp" diff --git a/test_regress/t/t_trace_two_sc.cpp b/test_regress/t/t_trace_two_sc.cpp index 6d0c0e125..7547853d5 100644 --- a/test_regress/t/t_trace_two_sc.cpp +++ b/test_regress/t/t_trace_two_sc.cpp @@ -18,7 +18,8 @@ // Compile in place #include "Vt_trace_two_b.cpp" -#include "Vt_trace_two_b__Slow.cpp" +#include "Vt_trace_two_b___024root.cpp" +#include "Vt_trace_two_b___024root__Slow.cpp" #include "Vt_trace_two_b__Syms.cpp" #include "Vt_trace_two_b__Trace.cpp" #include "Vt_trace_two_b__Trace__Slow.cpp" diff --git a/test_regress/t/t_tri_inz.cpp b/test_regress/t/t_tri_inz.cpp index c9393b5f3..fb0934859 100644 --- a/test_regress/t/t_tri_inz.cpp +++ b/test_regress/t/t_tri_inz.cpp @@ -4,6 +4,7 @@ // SPDX-License-Identifier: CC0-1.0 #include "Vt_tri_inz.h" +#include "Vt_tri_inz___024root.h" VM_PREFIX* tb = nullptr; bool pass = true; @@ -19,7 +20,7 @@ void checkone(const char* name, int got, int exp) { void check(int d, int en, int exp0, int exp1, int expx, int expz) { tb->d = d; - tb->d__en0 = en; + tb->rootp->d__en0 = en; tb->eval(); #ifdef TEST_VERBOSE printf("Drive d=%d en=%d got0=%d/1=%d/x=%d/z=%d exp0=%d/1=%d/x=%d/z=%d\n", d, en, tb->ext0, diff --git a/test_regress/t/t_tri_select.cpp b/test_regress/t/t_tri_select.cpp index c33f2c7cf..0db6f19ef 100644 --- a/test_regress/t/t_tri_select.cpp +++ b/test_regress/t/t_tri_select.cpp @@ -17,11 +17,10 @@ bool check() { bool verbose = false; #endif - int Y = ((tb->OE1) & (!tb->OE2)) - ? tb->A1 - : ((!tb->OE1) & (tb->OE2)) - ? tb->A2 - : ((tb->OE1) & (tb->OE2)) ? (tb->A1 | tb->A2) : 3; // pullup + int Y = ((tb->OE1) & (!tb->OE2)) ? tb->A1 + : ((!tb->OE1) & (tb->OE2)) ? tb->A2 + : ((tb->OE1) & (tb->OE2)) ? (tb->A1 | tb->A2) + : 3; // pullup int W = (((tb->OE2) ? (tb->A2 & 0x1) : 0) << tb->A1) | (((tb->OE1) ? (tb->A2 >> 1) & 0x1 : 0) << tb->A2); diff --git a/test_regress/t/t_unopt_converge_initial_run_bad.out b/test_regress/t/t_unopt_converge_initial_run_bad.out index 56c0369a6..a410304f6 100644 --- a/test_regress/t/t_unopt_converge_initial_run_bad.out +++ b/test_regress/t/t_unopt_converge_initial_run_bad.out @@ -1,5 +1,5 @@ -V{t#,#}- Verilated::debug is on. Message prefix indicates {,}. --V{t#,#}+ Vt_unopt_converge_initial_run_bad::_change_request +-V{t#,#}+ Vt_unopt_converge_initial_run_bad___024root___change_request -V{t#,#} CHANGE: t/t_unopt_converge_initial.v:19: x %Error: t/t_unopt_converge_initial.v:7: Verilated model didn't DC converge Aborting... diff --git a/test_regress/t/t_unopt_converge_print_bad.out b/test_regress/t/t_unopt_converge_print_bad.out index 328c68219..800401d79 100644 --- a/test_regress/t/t_unopt_converge_print_bad.out +++ b/test_regress/t/t_unopt_converge_print_bad.out @@ -1,5 +1,5 @@ -V{t#,#}- Verilated::debug is on. Message prefix indicates {,}. --V{t#,#}+ Vt_unopt_converge_print_bad::_change_request +-V{t#,#}+ Vt_unopt_converge_print_bad___024root___change_request -V{t#,#} CHANGE: t/t_unopt_converge.v:19: x %Error: t/t_unopt_converge.v:7: Verilated model didn't converge Aborting... diff --git a/test_regress/t/t_unopt_converge_run_bad.out b/test_regress/t/t_unopt_converge_run_bad.out index 6f057f8d1..123a3e718 100644 --- a/test_regress/t/t_unopt_converge_run_bad.out +++ b/test_regress/t/t_unopt_converge_run_bad.out @@ -1,5 +1,5 @@ -V{t#,#}- Verilated::debug is on. Message prefix indicates {,}. --V{t#,#}+ Vt_unopt_converge_run_bad::_change_request +-V{t#,#}+ Vt_unopt_converge_run_bad___024root___change_request -V{t#,#} CHANGE: t/t_unopt_converge.v:19: x %Error: t/t_unopt_converge.v:7: Verilated model didn't converge Aborting... diff --git a/test_regress/t/t_var_pins_cc.pl b/test_regress/t/t_var_pins_cc.pl index cdbb061e8..6c48aeee9 100755 --- a/test_regress/t/t_var_pins_cc.pl +++ b/test_regress/t/t_var_pins_cc.pl @@ -20,19 +20,19 @@ compile( ); { - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN8 \(i1,0,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN8 \(i8,7,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN16 \(i16,15,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN \(i32,31,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN64 \(i64,63,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_INW \(i65,64,0,3\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN8 \(&i1,0,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN8 \(&i8,7,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN16 \(&i16,15,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN \(&i32,31,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_IN64 \(&i64,63,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_INW \(\(&i65\),64,0,3\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT8 \(o1,0,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT8 \(o8,7,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT16\(o16,15,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT \(o32,31,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT64\(o64,63,0\);/x); - file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUTW \(o65,64,0,3\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT8 \(&o1,0,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT8 \(&o8,7,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT16\(&o16,15,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT \(&o32,31,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUT64\(&o64,63,0\);/x); + file_grep("$Self->{obj_dir}/Vt_var_pins_cc.h", qr/VL_OUTW \(\(&o65\),64,0,3\);/x); } ok(1); diff --git a/test_regress/t/t_var_pins_sc1.pl b/test_regress/t/t_var_pins_sc1.pl index 920eb8807..6e7485b34 100755 --- a/test_regress/t/t_var_pins_sc1.pl +++ b/test_regress/t/t_var_pins_sc1.pl @@ -18,27 +18,27 @@ compile( ); if ($Self->{vlt_all}) { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16_vlt;/x); } execute(); diff --git a/test_regress/t/t_var_pins_sc2.pl b/test_regress/t/t_var_pins_sc2.pl index c37403933..8edb72dbd 100755 --- a/test_regress/t/t_var_pins_sc2.pl +++ b/test_regress/t/t_var_pins_sc2.pl @@ -18,27 +18,27 @@ compile( ); { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16_vlt;/x); } execute(); diff --git a/test_regress/t/t_var_pins_sc32.pl b/test_regress/t/t_var_pins_sc32.pl index ed6db0cb3..6f202e8b5 100755 --- a/test_regress/t/t_var_pins_sc32.pl +++ b/test_regress/t/t_var_pins_sc32.pl @@ -18,27 +18,27 @@ compile( ); { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16_vlt;/x); } execute(); diff --git a/test_regress/t/t_var_pins_sc64.pl b/test_regress/t/t_var_pins_sc64.pl index cedf0208e..ec4a48b94 100755 --- a/test_regress/t/t_var_pins_sc64.pl +++ b/test_regress/t/t_var_pins_sc64.pl @@ -18,27 +18,27 @@ compile( ); if ($Self->{vlt_all}) { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1_vlt;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1_vlt;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16_vlt;/x); } execute(); diff --git a/test_regress/t/t_var_pins_sc_biguint.pl b/test_regress/t/t_var_pins_sc_biguint.pl index 42b06c465..bb64269ce 100755 --- a/test_regress/t/t_var_pins_sc_biguint.pl +++ b/test_regress/t/t_var_pins_sc_biguint.pl @@ -18,27 +18,27 @@ compile( ); if ($Self->{vlt_all}) { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i128;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i513;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i128;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i513;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o128;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o513;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o128;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o513;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); } execute(); diff --git a/test_regress/t/t_var_pins_sc_uint.pl b/test_regress/t/t_var_pins_sc_uint.pl index 28a2513b5..e7b965c3a 100755 --- a/test_regress/t/t_var_pins_sc_uint.pl +++ b/test_regress/t/t_var_pins_sc_uint.pl @@ -18,27 +18,27 @@ compile( ); { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i128;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i513;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i128;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i513;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o128;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o513;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o128;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o513;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); } execute(); diff --git a/test_regress/t/t_var_pins_sc_uint_biguint.pl b/test_regress/t/t_var_pins_sc_uint_biguint.pl index 363ec234c..64b7075a7 100755 --- a/test_regress/t/t_var_pins_sc_uint_biguint.pl +++ b/test_regress/t/t_var_pins_sc_uint_biguint.pl @@ -18,27 +18,27 @@ compile( ); { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i128;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i513;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i128;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i513;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o128;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o513;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o128;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o513;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); } execute(); diff --git a/test_regress/t/t_var_pins_scui.pl b/test_regress/t/t_var_pins_scui.pl index eac0b5e90..a28789078 100755 --- a/test_regress/t/t_var_pins_scui.pl +++ b/test_regress/t/t_var_pins_scui.pl @@ -18,23 +18,23 @@ compile( ); if ($Self->{vlt_all}) { - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ i64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ i65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ ibv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in \s+ &i64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &i65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_in\s> \s+ &ibv16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o8;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o16;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o32;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ o64;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ o65;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv1;/x); - file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ obv16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o8;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o16;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o32;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out \s+ &o64;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &o65;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv1;/x); + file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}.h", qr/sc_out\s> \s+ &obv16;/x); } execute(); diff --git a/test_regress/t/t_var_port_xml.out b/test_regress/t/t_var_port_xml.out index b2e6f9f4f..bf16c637b 100644 --- a/test_regress/t/t_var_port_xml.out +++ b/test_regress/t/t_var_port_xml.out @@ -57,54 +57,54 @@ - + - + - + - + - + - + - + - + - + - + - - + + - - + + - - + + - - + + - - + + diff --git a/test_regress/t/t_verilated_debug.out b/test_regress/t/t_verilated_debug.out index 4dd67d22f..5ac844a6b 100644 --- a/test_regress/t/t_verilated_debug.out +++ b/test_regress/t/t_verilated_debug.out @@ -1,29 +1,30 @@ -V{t#,#}- Verilated::debug is on. Message prefix indicates {,}. --V{t#,#}+ Vt_verilated_debug::_ctor_var_reset +-V{t#,#}+ Vt_verilated_debug___024root___ctor_var_reset internalsDump: Version: Verilator ### Argv: obj_vlt/t_verilated_debug/Vt_verilated_debug scopesDump: --V{t#,#}+++++TOP Evaluate Vt_verilated_debug::eval --V{t#,#}+ Vt_verilated_debug::_eval_debug_assertions --V{t#,#}+ Vt_verilated_debug::_eval_initial --V{t#,#}+ Vt_verilated_debug::_initial__TOP__1 +-V{t#,#}+++++TOP Evaluate Vt_verilated_debug::eval_step +-V{t#,#}+ Vt_verilated_debug___024root___eval_debug_assertions +-V{t#,#}+ Vt_verilated_debug___024root___eval_initial +-V{t#,#}+ Vt_verilated_debug___024root___initial__TOP__1 Data: w96: 000000aa 000000bb 000000cc --V{t#,#}+ Vt_verilated_debug::_eval_settle --V{t#,#}+ Vt_verilated_debug::_eval --V{t#,#}+ Vt_verilated_debug::_change_request --V{t#,#}+ Vt_verilated_debug::_change_request_1 +-V{t#,#}+ Initial loop +-V{t#,#}+ Vt_verilated_debug___024root___eval_settle +-V{t#,#}+ Vt_verilated_debug___024root___eval +-V{t#,#}+ Vt_verilated_debug___024root___change_request +-V{t#,#}+ Vt_verilated_debug___024root___change_request_1 -V{t#,#}+ Clock loop --V{t#,#}+ Vt_verilated_debug::_eval --V{t#,#}+ Vt_verilated_debug::_change_request --V{t#,#}+ Vt_verilated_debug::_change_request_1 --V{t#,#}+++++TOP Evaluate Vt_verilated_debug::eval --V{t#,#}+ Vt_verilated_debug::_eval_debug_assertions +-V{t#,#}+ Vt_verilated_debug___024root___eval +-V{t#,#}+ Vt_verilated_debug___024root___change_request +-V{t#,#}+ Vt_verilated_debug___024root___change_request_1 +-V{t#,#}+++++TOP Evaluate Vt_verilated_debug::eval_step +-V{t#,#}+ Vt_verilated_debug___024root___eval_debug_assertions -V{t#,#}+ Clock loop --V{t#,#}+ Vt_verilated_debug::_eval --V{t#,#}+ Vt_verilated_debug::_sequent__TOP__2 +-V{t#,#}+ Vt_verilated_debug___024root___eval +-V{t#,#}+ Vt_verilated_debug___024root___sequent__TOP__2 *-* All Finished *-* --V{t#,#}+ Vt_verilated_debug::_change_request --V{t#,#}+ Vt_verilated_debug::_change_request_1 --V{t#,#}+ Vt_verilated_debug::final +-V{t#,#}+ Vt_verilated_debug___024root___change_request +-V{t#,#}+ Vt_verilated_debug___024root___change_request_1 +-V{t#,#}+ Vt_verilated_debug___024root___final diff --git a/test_regress/t/t_vpi_get.cpp b/test_regress/t/t_vpi_get.cpp index 592246b3b..3b1d41d07 100644 --- a/test_regress/t/t_vpi_get.cpp +++ b/test_regress/t/t_vpi_get.cpp @@ -202,7 +202,7 @@ int mon_check_props() { return 0; } -int mon_check() { +extern "C" int mon_check() { // Callback from initial block in monitor if (int status = mon_check_props()) return status; return 0; // Ok diff --git a/test_regress/t/t_vpi_get.pl b/test_regress/t/t_vpi_get.pl index c3f9a81c0..faf3e678c 100755 --- a/test_regress/t/t_vpi_get.pl +++ b/test_regress/t/t_vpi_get.pl @@ -16,7 +16,7 @@ skip("Known compiler limitation") compile( make_top_shell => 0, make_main => 0, - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_get.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_get.cpp"], make_pli => 1, iv_flags2 => ["-g2005-sv -D USE_VPI_NOT_DPI"], v_flags2 => ["+define+USE_VPI_NOT_DPI +define+VERILATOR_COMMENTS"], diff --git a/test_regress/t/t_vpi_get_public_rw_switch.pl b/test_regress/t/t_vpi_get_public_rw_switch.pl index 3a5cdf231..2142c3afc 100755 --- a/test_regress/t/t_vpi_get_public_rw_switch.pl +++ b/test_regress/t/t_vpi_get_public_rw_switch.pl @@ -20,7 +20,7 @@ pli_filename("t_vpi_get.cpp"); compile( make_top_shell => 0, make_main => 0, - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi" + verilator_flags2 => ["--exe --vpi" ." --public-flat-rw --prefix Vt_vpi_get --no-l2name" ." $Self->{t_dir}/t_vpi_get.cpp"], make_pli => 1, diff --git a/test_regress/t/t_vpi_memory.cpp b/test_regress/t/t_vpi_memory.cpp index 3dc17b55a..b6b1a83df 100644 --- a/test_regress/t/t_vpi_memory.cpp +++ b/test_regress/t/t_vpi_memory.cpp @@ -213,7 +213,7 @@ void _mon_check_memory() { } } -int mon_check() { +extern "C" int mon_check() { // Callback from initial block in monitor _mon_check_memory(); return errors; diff --git a/test_regress/t/t_vpi_memory.pl b/test_regress/t/t_vpi_memory.pl index 9b95b19c4..c806cf940 100755 --- a/test_regress/t/t_vpi_memory.pl +++ b/test_regress/t/t_vpi_memory.pl @@ -19,7 +19,7 @@ compile( make_pli => 1, iv_flags2 => ["-g2005-sv -D USE_VPI_NOT_DPI"], v_flags2 => ["+define+USE_VPI_NOT_DPI"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_memory.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_memory.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_module.pl b/test_regress/t/t_vpi_module.pl index a1835cb60..fe539483b 100755 --- a/test_regress/t/t_vpi_module.pl +++ b/test_regress/t/t_vpi_module.pl @@ -18,7 +18,7 @@ compile( make_main => 0, make_pli => 1, iv_flags2 => ["-g2005-sv"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' +define+USE_DOLLAR_C32 --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_module.cpp"], + verilator_flags2 => ["+define+USE_DOLLAR_C32 --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_module.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_module_dpi.pl b/test_regress/t/t_vpi_module_dpi.pl index 1a546432b..25189b715 100755 --- a/test_regress/t/t_vpi_module_dpi.pl +++ b/test_regress/t/t_vpi_module_dpi.pl @@ -22,7 +22,7 @@ compile( make_main => 0, make_pli => 1, iv_flags2 => ["-g2005-sv"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_module.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_module.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_param.cpp b/test_regress/t/t_vpi_param.cpp index ac6275b15..cee164fe3 100644 --- a/test_regress/t/t_vpi_param.cpp +++ b/test_regress/t/t_vpi_param.cpp @@ -203,7 +203,7 @@ int _mon_check_param() { return status; } -int mon_check() { +extern "C" int mon_check() { // Callback from initial block in monitor if (int status = _mon_check_param()) return status; return 0; // Ok diff --git a/test_regress/t/t_vpi_param.pl b/test_regress/t/t_vpi_param.pl index e5c448b01..feea273d1 100755 --- a/test_regress/t/t_vpi_param.pl +++ b/test_regress/t/t_vpi_param.pl @@ -19,7 +19,7 @@ compile( make_pli => 1, iv_flags2 => ["-g2005-sv -D USE_VPI_NOT_DPI"], v_flags2 => ["+define+USE_VPI_NOT_DPI"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_param.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_param.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_time_cb.pl b/test_regress/t/t_vpi_time_cb.pl index ec265a4e2..ab1608097 100755 --- a/test_regress/t/t_vpi_time_cb.pl +++ b/test_regress/t/t_vpi_time_cb.pl @@ -16,7 +16,7 @@ compile( sim_time => 2100, v_flags2 => ["t/t_vpi_time_cb_c.cpp"], iv_flags2 => ["-g2005-sv -DWAVES -DIVERILOG"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_time_cb.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_time_cb.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_unimpl.cpp b/test_regress/t/t_vpi_unimpl.cpp index 5706be271..816c9eca3 100644 --- a/test_regress/t/t_vpi_unimpl.cpp +++ b/test_regress/t/t_vpi_unimpl.cpp @@ -176,7 +176,7 @@ int _mon_check_unimpl(p_cb_data cb_data) { return 0; // Ok } -int mon_check() { +extern "C" int mon_check() { // Callback from initial block in monitor if (int status = _mon_check_unimpl(NULL)) return status; return 0; // Ok diff --git a/test_regress/t/t_vpi_unimpl.pl b/test_regress/t/t_vpi_unimpl.pl index dce3e4aae..2fdc5f638 100755 --- a/test_regress/t/t_vpi_unimpl.pl +++ b/test_regress/t/t_vpi_unimpl.pl @@ -13,7 +13,7 @@ scenarios(simulator => 1); compile( make_top_shell => 0, make_main => 0, - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_unimpl.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_unimpl.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_var.cpp b/test_regress/t/t_vpi_var.cpp index 9ddd720e2..2861d58b8 100644 --- a/test_regress/t/t_vpi_var.cpp +++ b/test_regress/t/t_vpi_var.cpp @@ -638,7 +638,7 @@ int _mon_check_vlog_info() { return 0; } -int mon_check() { +extern "C" int mon_check() { // Callback from initial block in monitor #ifdef TEST_VERBOSE printf("-mon_check()\n"); diff --git a/test_regress/t/t_vpi_var.pl b/test_regress/t/t_vpi_var.pl index e9f2bac65..1788e06cd 100755 --- a/test_regress/t/t_vpi_var.pl +++ b/test_regress/t/t_vpi_var.pl @@ -17,7 +17,7 @@ compile( sim_time => 2100, iv_flags2 => ["-g2005-sv -D USE_VPI_NOT_DPI -DWAVES"], v_flags2 => ["+define+USE_VPI_NOT_DPI"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_var.cpp"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_var.cpp"], ); execute( diff --git a/test_regress/t/t_vpi_zero_time_cb.pl b/test_regress/t/t_vpi_zero_time_cb.pl index d2e13ef9c..d29050de0 100755 --- a/test_regress/t/t_vpi_zero_time_cb.pl +++ b/test_regress/t/t_vpi_zero_time_cb.pl @@ -16,7 +16,7 @@ compile( sim_time => 2100, iv_flags2 => ["-g2005-sv -D USE_VPI_NOT_DPI -DWAVES -DIVERILOG"], v_flags2 => ["+define+USE_VPI_NOT_DPI"], - verilator_flags2 => ["-CFLAGS '-DVL_DEBUG -ggdb' --exe --vpi --no-l2name $Self->{t_dir}/t_vpi_zero_time_cb.cpp -LDFLAGS '-ldl -rdynamic'"], + verilator_flags2 => ["--exe --vpi --no-l2name $Self->{t_dir}/t_vpi_zero_time_cb.cpp -LDFLAGS '-ldl -rdynamic'"], ); execute( diff --git a/test_regress/t/t_write_format_bug.out b/test_regress/t/t_write_format_bug.out new file mode 100644 index 000000000..ab787ff12 --- /dev/null +++ b/test_regress/t/t_write_format_bug.out @@ -0,0 +1,9 @@ +00005678 +00001234 +00005679 +00001234 +0000567a +00001234 +0000567b +00001234 +*-* All Finished *-* diff --git a/test_regress/t/t_write_format_bug.pl b/test_regress/t/t_write_format_bug.pl new file mode 100755 index 000000000..1576259ea --- /dev/null +++ b/test_regress/t/t_write_format_bug.pl @@ -0,0 +1,22 @@ +#!/usr/bin/env perl +if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; } +# DESCRIPTION: Verilator: Verilog Test driver/expect definition +# +# Copyright 2003 by Wilson Snyder. This program is free software; you +# can redistribute it and/or modify it under the terms of either the GNU +# Lesser General Public License Version 3 or the Perl Artistic License +# Version 2.0. +# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 + +scenarios(simulator => 1); + +compile( + ); + +execute( + check_finished => 1, + expect_filename => $Self->{golden_filename}, + ); + +ok(1); +1; diff --git a/test_regress/t/t_write_format_bug.v b/test_regress/t/t_write_format_bug.v new file mode 100644 index 000000000..11a6895f1 --- /dev/null +++ b/test_regress/t/t_write_format_bug.v @@ -0,0 +1,30 @@ +// DESCRIPTION: Verilator: Verilog Test module +// +// This file ONLY is placed under the Creative Commons Public Domain, for +// any use, without warranty, 2021 by Wilson Snyder. +// SPDX-License-Identifier: CC0-1.0 + +module test( + /*AUTOARG*/ + // Inputs + clk + ); + + input clk; + + int cnt = 32'h12345678; + int cyc = 0; + + always @(posedge clk) begin + if (cyc > 3) begin + $write("*-* All Finished *-*\n"); + $finish; + end else begin + cyc <= cyc + 1; + cnt <= cnt + 1; + $write("%08x\n", {16'h0, cnt[15: 0]}); + $write("%08x\n", {16'h0, cnt[31:16]}); + end + end + +endmodule diff --git a/test_regress/t/t_xml_first.out b/test_regress/t/t_xml_first.out index 4c75a4867..b00ac18b9 100644 --- a/test_regress/t/t_xml_first.out +++ b/test_regress/t/t_xml_first.out @@ -18,9 +18,9 @@ - - - + + + @@ -49,9 +49,9 @@ - - - + + + @@ -68,9 +68,9 @@ - - - + + + diff --git a/test_regress/t/t_xml_flat.out b/test_regress/t/t_xml_flat.out index 4ba3a085a..964c5b791 100644 --- a/test_regress/t/t_xml_flat.out +++ b/test_regress/t/t_xml_flat.out @@ -11,13 +11,13 @@ - + - - - - + + + + diff --git a/test_regress/t/t_xml_flat_no_inline_mod.out b/test_regress/t/t_xml_flat_no_inline_mod.out index 803aa990b..e1d070bce 100644 --- a/test_regress/t/t_xml_flat_no_inline_mod.out +++ b/test_regress/t/t_xml_flat_no_inline_mod.out @@ -11,11 +11,11 @@ - + - - + + diff --git a/test_regress/t/t_xml_flat_pub_mod.out b/test_regress/t/t_xml_flat_pub_mod.out index 5515cd69c..88b51b3ca 100644 --- a/test_regress/t/t_xml_flat_pub_mod.out +++ b/test_regress/t/t_xml_flat_pub_mod.out @@ -11,11 +11,11 @@ - + - - + + diff --git a/test_regress/t/t_xml_flat_vlvbound.out b/test_regress/t/t_xml_flat_vlvbound.out index ae5da8f13..28a1c9e97 100644 --- a/test_regress/t/t_xml_flat_vlvbound.out +++ b/test_regress/t/t_xml_flat_vlvbound.out @@ -11,14 +11,14 @@ - + - - - - - + + + + + diff --git a/test_regress/t/t_xml_output.out b/test_regress/t/t_xml_output.out index 3426e21ae..645a7b61b 100644 --- a/test_regress/t/t_xml_output.out +++ b/test_regress/t/t_xml_output.out @@ -15,7 +15,7 @@ - + diff --git a/test_regress/t/t_xml_tag.out b/test_regress/t/t_xml_tag.out index 191ce8023..873eaa1a0 100644 --- a/test_regress/t/t_xml_tag.out +++ b/test_regress/t/t_xml_tag.out @@ -17,9 +17,9 @@ - - - + + +