Version bump

git-svn-id: file://localhost/svn/verilator/trunk/verilator@1006 77ca24e4-aefa-0310-84f0-b9a241c72d87
Add graph dfa complementing; not used yet.
2026-10-06 01:54:01 +02:00 · 2008-03-23 13:58:27 +00:00 · 2008-03-23 13:56:06 +00:00 · 2008-03-20 01:40:22 +00:00 · 2008-03-20 01:16:33 +00:00 · 2008-03-20 00:14:26 +00:00
225 changed files with 1963 additions and 725 deletions
@@ -3,12 +3,51 @@ Revision history for Verilator
 The contributors that suggested a given feature are shown in [].  [by ...]
 indicates the contributor was also the author of the fix; Thanks!
-* Verilator 3.655 ***
+* Verilator 3.660 2008/03/23
 ***  Add support for hard-coding VERILATOR_ROOT etc in the executables,
     to enable easier use of Verilator RPMs.  [Gunter Dannoritzer]
 ***  Allow multiple .v files on command line.  [Stefan Thiede]
 ***  Convert re-defining macro error to warning.  [Stefan Thiede]
 ***  Add --error-limit option.  [Stefan Thiede]
 ***  Allow __ in cell names by quoting them in C.  [Stefan Thiede]
 **** Fix genvar to be signed, so "< 0" works properly.  [Niranjan Prabhu]
 **** Fix assignments to inputs inside functions/tasks.  [Patricio Kaplan]
 **** Fix definitions in main file.v, referenced in library.  [Stefan Thiede]
 **** Fix undefined assigns to be implicit warnings. [Stefan Thiede]
 * Verilator 3.658 2008/02/25
 **** Fix unistd compile error in 3.657.  [Patricio Kaplan, Jonathan Kimmitt]
 * Verilator 3.657 2008/02/20
 **** Fix assignments of {a,b,c} = {c,b,a}.  [Jonathan Kimmitt]
 **** Fix Perl warning with --lint-only.  [by Ding Xiaoliang]
 **** Avoid creating obj_dir with --lint-only.  [Ding Xiaoliang]
 **** Fix parsing of always @(*).  [Patricio Kaplan]
 * Verilator 3.656 2008/01/18
 **** Wide VL_CONST_W_#X functions are now made automatically. [Bernard Deadman]
     In such cases, a new {prefix}__Inlines.h file will be built and included.
-* Verilator 3.655 11/27/2007
+**** Fixed sign error when extracting from signed memory.  [Peter Debacker]
 **** Fixed tracing of SystemC w/o SystemPerl. [Bernard Deadman, Johan Wouters]
 * Verilator 3.655 2007/11/27
 ***  Support "#delay <statement>;" with associated STMTDLY warning.
@@ -20,7 +59,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed many internal memory leaks, and added leak detector.
-* Verilator 3.654 10/18/2007
+* Verilator 3.654 2007/10/18
 **** Don't exit early if many warnings but no errors are found. [Stan Mayer]
@@ -28,13 +67,13 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed parsing system functions with empty parens. [Oleg Rodionov]
-* Verilator 3.653 8/1/2007
+* Verilator 3.653 2007/8/1
 **** Support SystemVerilog ==? and !=? operators.
 **** Fixed SC_LIBS missing from generated makefiles. [Ding Xiaoliang]
-* Verilator 3.652 6/21/2007
+* Verilator 3.652 2007/6/21
 **** Report as many warning types as possible before exiting.
@@ -46,7 +85,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed Preprocessor dropping some `line directives.  [Mark Nodine]
-* Verilator 3.651 5/22/2007
+* Verilator 3.651 2007/5/22
 ***  Added verilator_profcfunc utility.  [Gene Weber]
@@ -60,7 +99,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Allow empty case/endcase blocks.
-* Verilator 3.650 4/20/2007
+* Verilator 3.650 2007/4/20
 **   Add --compiler msvc option.  This is now required when Verilated code
     is to be run through MSVC++.  This also enables fixing MSVC++ error
@@ -85,7 +124,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed 3.640 `verilog forcing IEEE 1364-1995 only.  [David Hewson]
-* Verilator 3.640 3/12/2007
+* Verilator 3.640 2007/3/12
 ***  Support Verilog 2005 `begin_keywords and `end_keywords.
@@ -103,7 +142,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed display %m names inside named blocks.
-* Verilator 3.633 2/7/2007
+* Verilator 3.633 2007/2/7
 ***  Add --trace-depth option for minimizing VCD file size. [Emerson Suguimoto]
@@ -115,11 +154,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed $display's with array select followed by wide AND.  [David Hewson]
-* Verilator 3.632 1/17/2007
+* Verilator 3.632 2007/1/17
 ***  Add /*verilator isolate_assignments*/ attribute.  [Mike Shinkarovsky]
-* Verilator 3.631 1/2/2007
+* Verilator 3.631 2007/1/2
 **   Support standard NAME[#] for cells created by arraying or generate for.
     This replaces the non-standard name__# syntax used in earlier versions.
@@ -130,7 +169,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed $readmem* with filenames < 8 characters.  [Emerson Suguimoto]
-* Verilator 3.630 12/19/2006
+* Verilator 3.630 2006/12/19
 **   Support $readmemb and $readmemh.  [Eugene Weber, Arthur Kahlich]
@@ -144,7 +183,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed missed split optimization points underneath other re-split blocks.
-* Verilator 3.623 12/05/2006
+* Verilator 3.623 2006/12/05
 ***  Add --output-split-cfuncs for accelerating GCC compile. [Eugene Weber]
@@ -152,11 +191,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Add M32 make variable to support -m32 compiles.  [Eugene Weber]
-* Verilator 3.622 10/17/2006 Stable
+* Verilator 3.622 2006/10/17 Stable
 **** Fixed --skip-identical without --debug, broken in 3.621.  [Andy Meier]
-* Verilator 3.621 10/11/2006 Beta
+* Verilator 3.621 2006/10/11 Beta
 **   Add /*verilator no_inline_task*/ to prevent over-expansion. [Eugene Weber]
@@ -170,7 +209,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed core dump on printing error when not under --debug.  [Allan Cochrane]
-* Verilator 3.620 10/04/2006 Stable
+* Verilator 3.620 2006/10/04 Stable
 ***  Support simple inout task ports.  [Eugene Weber]
@@ -187,7 +226,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed dotted variables in always sensitivity lists. [Allan Cochrane]
-* Verilator 3.610 09/20/2006 Stable
+* Verilator 3.610 2006/09/20 Stable
 ***  Verilator now works under DJGPP (Pentium GCC).  [John Stroebel]
@@ -199,11 +238,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed printf format warnings on 64-bit linux.
-* Verilator 3.602 09/11/2006 Stable
+* Verilator 3.602 2006/09/11 Stable
 **** Fixed function references under top inlined module.  [David Hewson]
-* Verilator 3.601 09/06/2006 Beta
+* Verilator 3.601 2006/09/06 Beta
 ***  Added --inhibit-sim flag for environments using old __Vm_inhibitSim.
@@ -226,7 +265,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Declare optimized lookup tables as 'static', to reduce D-Cache miss rate.
-* Verilator 3.600 08/28/2006 Beta
+* Verilator 3.600 2006/08/28 Beta
 **   Support dotted cross-hierarchy variable and task references.
@@ -238,7 +277,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed redundant statements remaining after table optimization.
-* Verilator 3.542 08/11/2006 Stable
+* Verilator 3.542 2006/08/11 Stable
 **** Fixed extraneous UNSIGNED warning when comparing genvars.  [David Hewson]
@@ -248,7 +287,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Add VL_CONST_W_24X macro.  [Bernard Deadman]
-* Verilator 3.541 07/05/2006 Beta
+* Verilator 3.541 2006/07/05 Beta
 ***  Fixed "// verilator lint_on" not re-enabling warnings.  [David Hewson]
@@ -260,7 +299,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed GCC 4.0 header file warnings.
-* Verilator 3.540 06/27/2006 Beta
+* Verilator 3.540 2006/06/27 Beta
 **** Optimize combo assignments that are used only once, ~5-25% faster.
@@ -270,7 +309,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed mis-width warning on dead generate-if branches.  [Jae Hossell]
-* Verilator 3.533 06/05/2006 Stable
+* Verilator 3.533 2006/06/05 Stable
 ***  Add PDF user manual, verilator.pdf.
@@ -280,7 +319,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed Bison compile errors in verilog.y.  [by Ben Jackson]
-* Verilator 3.531 05/10/2006 Stable
+* Verilator 3.531 2006/05/10 Stable
 ***  Support $c routines which return 64 bit values.
@@ -288,12 +327,12 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed Verilator core dump when have empty public function. [David.Hewson]
-* Verilator 3.530 04/24/2006 Stable
+* Verilator 3.530 2006/04/24 Stable
 **   $time is now 64 bits.  The macro VL_TIME_I is now VL_TIME_Q, but calls
     the same sc_time_stamp() function to get the current time.
-* Verilator 3.523 03/06/2006 Stable
+* Verilator 3.523 2006/03/06 Stable
 **** Fixed error line numbers being off due to multi-line defines.  [Mat Zeno]
@@ -301,11 +340,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed `systemc_imp_header "undefined macro" error.
-* Verilator 3.522 02/23/2006 Beta
+* Verilator 3.522 2006/02/23 Beta
 **** Add UNUSED error message, for forward compatibility.
-* Verilator 3.521 02/14/2006 Beta
+* Verilator 3.521 2006/02/14 Beta
 ***  Create new --coverage-line and --coverage-user options. [Peter Holmes]
@@ -313,12 +352,12 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed public module's parent still getting inlined.
-* Verilator 3.520 01/14/2006 Stable
+* Verilator 3.520 2006/01/14 Stable
 **   Added support for $fopen, $fclose, $fwrite, $fdisplay.
     See documentation, as the file descriptors differ from the standard.
-* Verilator 3.510 12/17/2005 Stable
+* Verilator 3.510 2005/12/17 Stable
 **   Improve trace-on performance on large multi-clock designs by 2x or more.
     This adds a small ~2% performance penalty if traces are compiled in,
@@ -332,14 +371,14 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed VL_MULS_WWW compile error with MSVC++. [Wim Michiels]
-* Verilator 3.502 11/30/2005 Stable
+* Verilator 3.502 2005/11/30 Stable
 **** Fixed local non-IO variables in public functions and tasks.
 **** Fixed bad lifetime optimization when same signal is assigned multiple
     times in both branch of a if. [Danny Ding]
-* Verilator 3.501 11/16/2005 Stable
+* Verilator 3.501 2005/11/16 Stable
 ***  Add --profile-cfuncs for correlating profiles back to Verilog.
@@ -347,7 +386,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed bad deep expressions with bit-selects and rotate.  [Prabhat Gupta]
-* Verilator 3.500 10/30/2005 Stable
+* Verilator 3.500 2005/10/30 Stable
 **   Support signed numbers, >>>, $signed, $unsigned.  [MANY!]
@@ -363,13 +402,13 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed generate for cell instantiations with same name.  [Mat Zeno]
-* Verilator 3.481 10/12/2005 Stable
+* Verilator 3.481 2005/10/12 Stable
 ***  Add /*verilator tracing_on/off*/ for waveform control.
 **** Fixed split optimization reordering $display statements.
-* Verilator 3.480 9/27/2005 Beta
+* Verilator 3.480 2005/9/27 Beta
 **   Allow coverage of flattened modules, and multiple points per line.
     Coverage analysis requires SystemPerl 1.230 or newer.
@@ -384,7 +423,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Optimize local variables from delayed array assignments.
-* Verilator 3.470 9/6/2005 Stable
+* Verilator 3.470 2005/9/6 Stable
 ***  Optimize staging flops under reset blocks.
@@ -396,7 +435,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed preprocessor substitution of quoted parameterized defines.
-* Verilator 3.464 8/24/2005 Stable
+* Verilator 3.464 2005/8/24 Stable
 ***  Add `systemc_imp_header, for use when using --output-split.
@@ -404,11 +443,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed core dump with clock inversion optimizations.
-* Verilator 3.463 8/5/2005 Stable
+* Verilator 3.463 2005/8/5 Stable
 ***  Fixed case defaults when not last statement in case list. [Wim Michiels]
-* Verilator 3.462 8/3/2005 Stable
+* Verilator 3.462 2005/8/3 Stable
 ***  Fixed reordering of delayed assignments to same memory index. [Wim Michiels]
@@ -416,11 +455,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed multiply-instantiated public tasks generating non-compilable code.
-* Verilator 3.461 7/28/2005 Beta
+* Verilator 3.461 2005/7/28 Beta
 **** Fixed compile error with older versions of bison.  [Jeff Dutton]
-* Verilator 3.460 7/27/2005 Beta
+* Verilator 3.460 2005/7/27 Beta
 **   Add -output-split option to enable faster parallel GCC compiles.
     To support --output-split, the makefiles now split VM_CLASSES
@@ -441,7 +480,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Internal tree dumps now indicate edit number that changed the node.
-* Verilator 3.450 7/12/2005
+* Verilator 3.450 2005/7/12
 **   $finish will no longer exit, but set Verilated::gotFinish().
     This enables support for final statements, and for other cleanup code.
@@ -456,19 +495,19 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed "=== 1'bx" to always be false, instead of random.
-* Verilator 3.440 6/28/2005 Stable
+* Verilator 3.440 2005/6/28 Stable
 **   Add Verilog 2001 generate for/if/case statements.
-* Verilator 3.431 6/24/2005 Stable
+* Verilator 3.431 2005/6/24 Stable
 ***  Fixed selection bugs introduced in 3.430 beta.
-* Verilator 3.430 6/22/2005 Beta
+* Verilator 3.430 2005/6/22 Beta
 **   Add Verilog 2001 variable part selects [n+:m] and [n-:m].  [Wim Michiels]
-* Verilator 3.422 6/10/2005 Stable
+* Verilator 3.422 2005/6/10 Stable
 ***  Added Verilog 2001 power (**) operator.  [Danny Ding]
@@ -476,13 +515,13 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed tracing of modules with public functions.
-* Verilator 3.421 6/2/2005 Beta
+* Verilator 3.421 2005/6/2 Beta
 **** Fixed error about reserved word on non-public signals.
 **** Fixed missing initialization compile errors in 3.420 beta. [Ralf Karge]
-* Verilator 3.420 6/2/2005 Beta
+* Verilator 3.420 2005/6/2 Beta
 ***  Fixed case defaults when not last statement in case list. [Ralf Karge]
@@ -500,11 +539,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed gate optimization with top-flattened modules. [Mahesh Kumashikar]
-* Verilator 3.411 5/30/2005 Stable
+* Verilator 3.411 2005/5/30 Stable
 **** Fixed compile error in GCC 2.96.  [Jeff Dutton]
-* Verilator 3.410 5/25/2005 Beta
+* Verilator 3.410 2005/5/25 Beta
 **   Allow functions and tasks to be declared public.
     They will become public C++ functions, with appropriate C++ types.
@@ -520,7 +559,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed compile error in GCC 2.96, and with SystemC 1.2.  [Jeff Dutton]
-* Verilator 3.400 4/29/2005 Beta
+* Verilator 3.400 2005/4/29 Beta
 **   Internal changes to support future clocking features.
@@ -551,7 +590,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed crash with size mismatches on case items.  [Gernot Koch]
-* Verilator 3.340 2/18/2005 Stable
+* Verilator 3.340 2005/2/18 Stable
 ***  Report misconnected pins across all modules, instead of just first error.
@@ -561,7 +600,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Added additional internal assertions.
-* Verilator 3.332 1/27/2005
+* Verilator 3.332 2005/1/27
 ***  Added -E preprocess only flag, similar to GCC.
@@ -569,7 +608,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed loss of first -f file argument, introduced in 3.331.
-* Verilator 3.331 1/18/2005
+* Verilator 3.331 2005/1/18
 **   The Verilog::Perl preprocessor is now C++ code inside of Verilator.
     This improves performance, makes compilation easier, and enables
@@ -579,7 +618,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed unlinked error with defparam.  [Shawn Wang]
-* Verilator 3.320 12/10/2004
+* Verilator 3.320 2004/12/10
 **   NEWS is now renamed Changes, to support CPAN indexing.
@@ -597,13 +636,13 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed compile warnings on Suse 9.1
-* Verilator 3.311 11/29/2004
+* Verilator 3.311 2004/11/29
 **   Support implicit wire declarations (as a warning).  [Shawn Wang]
 **** Fixed over-shift difference in Verilog vs C++.  [Ralf Karge]
-* Verilator 3.310 11/15/2004
+* Verilator 3.310 2004/11/15
 **   Support defparam.
@@ -611,7 +650,7 @@ indicates the contributor was also the author of the fix; Thanks!
 ***  Ignore all specify blocks.
-* Verilator 3.302 11/12/2004
+* Verilator 3.302 2004/11/12
 ***  Support NAND and NOR operators.
@@ -626,7 +665,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed runtime bit-selection of parameter constants.
-* Verilator 3.301 11/04/2004
+* Verilator 3.301 2004/11/04
 **** Fixed 64 bit [31:0] = {#{}} mis-simulation.  [Ralf Karge]
@@ -634,7 +673,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Work around GCC 2.96 negation bug.
-* Verilator 3.300 10/21/2004
+* Verilator 3.300 2004/10/21
 **   New backend that eliminates most VL_ macros.
     Improves performance 20%-50%, depending on frequency of use of signals
@@ -642,13 +681,13 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed "setting unsigned int from signed value" warning.
-* Verilator 3.271 10/21/2004
+* Verilator 3.271 2004/10/21
 **** Fixed "loops detected" error with some negedge clocks.
 **** Cleaned up some output code spacing issues.
-* Verilator 3.270 10/15/2004
+* Verilator 3.270 2004/10/15
 ***  Support Verilog 2001 parameters in module headers. [Ralf Karge]
@@ -656,7 +695,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Faster code to support compilers not inlining all Verilated functions.
-* Verilator 3.260 10/7/2004
+* Verilator 3.260 2004/10/7
 **   Support Verilog 2001 named parameter instantiation. [Ralf Karge]
@@ -666,23 +705,23 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed incorrect dependency in .d file when setting VERILATOR_BIN.
-* Verilator 3.251 9/9/2004
+* Verilator 3.251 2004/9/9
 **** Fixed parenthesis overflow in Microsoft Visual C++ [Renga Sundararajan]
-* Verilator 3.250 8/30/2004
+* Verilator 3.250 2004/8/30
 **   Support Microsoft Visual C++ [Renga Sundararajan]
 ***  SystemPerl 1.161+ is required.
-* Verilator 3.241 8/17/2004
+* Verilator 3.241 2004/8/17
 **   Support ,'s to separate multiple assignments. [Paul Nitza]
 **** Fixed shift sign extension problem using non-GCC compilers.
-* Verilator 3.240 8/13/2004
+* Verilator 3.240 2004/8/13
 **   Verilator now uses 64 bit math where appropriate.
     Inputs and outputs of 33-64 bits wide to the C++ Verilated model must
@@ -695,7 +734,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed concat value error introduced in 3.230.
-* Verilator 3.230 8/10/2004
+* Verilator 3.230 2004/8/10
 ***  Added coverage output to test_sp example, SystemPerl 1.160+ is required.
@@ -708,7 +747,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed wide signal width extension bug.
     Only applies when width mismatch warnings were overridden.
-* Verilator 3.220 6/22/2004
+* Verilator 3.220 2004/6/22
 **   Many waveform tracing changes:
@@ -722,7 +761,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Various Cygwin compilation fixes.  [John Brownlee]
-* Verilator 3.210 4/1/2004
+* Verilator 3.210 2004/4/1
 **   Compiler optimization switches have changed
     See the BENCHMARKING section of the documentation.
@@ -734,11 +773,11 @@ indicates the contributor was also the author of the fix; Thanks!
 ***  Added warnings for SystemVerilog reserved words.
-* Verilator 3.203 3/10/2004
+* Verilator 3.203 2004/3/10
 ***  Notes and repairs for Solaris. [Fred Ma]
-* Verilator 3.202 1/27/2004
+* Verilator 3.202 2004/1/27
 **   The beta version is now the primary release.  See below for many changes.
     If you have many problems, you may wish to try release 3.125.
@@ -751,7 +790,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Added optimizations for common replication operations.
-* Verilator 3.201-beta 12/10/2003
+* Verilator 3.201-beta 2003/12/10
 **   BETA VERSION, USE 3.124 for stable release!
@@ -771,18 +810,18 @@ indicates the contributor was also the author of the fix; Thanks!
     This name will be used to prefix any $display %m arguments, so users may
     distinguish between multiple Verilated modules in a single executable.
-* Verilator 3.125 1/27/2004
+* Verilator 3.125 2004/1/27
 **** Optimization of bit replications
-* Verilator 3.124 12/05/2003
+* Verilator 3.124 2003/12/05
 ***  A optimized executable will be made by default, in addition to a debug
     executable.  Invoking Verilator with --debug will pick the debug version.
 **** Many minor invisible changes to support the next version.
-* Verilator 3.123 11/10/2003
+* Verilator 3.123 2003/11/10
 **** Wide bus performance enhancements.
@@ -790,7 +829,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed __DOT__ compile problem with funcs in last revision. [Leon Wildman]
-* Verilator 3.122 10/29/2003
+* Verilator 3.122 2003/10/29
 ***  Modules which are accessed from external code now must be marked with
     /*verilator public_module*/ unless they already contain public signals.
@@ -800,7 +839,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed function call bug when width warning suppressed. [Leon Wildman]
-* Verilator 3.121 09/29/2003
+* Verilator 3.121 2003/09/29
 ***  Support multiplication over 32 bits. [Chris Boumenot]
     Also improved speed of addition and subtraction over 32 bits.
@@ -811,7 +850,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed width problems on function arguments. [Robert A. Clark]
-* Verilator 3.120 09/24/2003
+* Verilator 3.120 2003/09/24
 ***  $finish now exits the model (via vl_finish function).
@@ -829,29 +868,29 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed $display("%x");
-* Verilator 3.112 09/16/2003
+* Verilator 3.112 2003/09/16
 **** Fixed functions in continuous assignments. [Robert A. Clark]
 **** Fixed inlining of modules with 2-level deep outputs.
-* Verilator 3.111 09/15/2003
+* Verilator 3.111 2003/09/15
 **** Fixed declaration of functions before using that module. [Robert A. Clark]
 **** Fixed module inlining bug with outputs.
-* Verilator 3.110 09/12/2003
+* Verilator 3.110 2003/09/12
 **   Support Verilog 2001 style input/output declarations. [Robert A. Clark]
 ***  Allow local vars in headers of function/tasks. [Leon Wildman]
-* Verilator 3.109 08/28/2003
+* Verilator 3.109 2003/08/28
 **   Added support for local variables in named begin blocks. [Leon Wildman]
-* Verilator 3.108 08/11/2003
+* Verilator 3.108 2003/08/11
 **   Added support for functions.
@@ -863,7 +902,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Many optimizations involving conditionals (?:)
-* Verilator 3.107 07/15/2003
+* Verilator 3.107 2003/07/15
 ***  --private and --l2name are now the default,
     as this enables additional optimizations.
@@ -880,7 +919,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Additional constant optimizations, ~5% speed improvement.
-* Verilator 3.106 06/17/2003
+* Verilator 3.106 2003/06/17
 ** $c can now take multiple expressions as arguments.
   For example $c("foo","bar(",32+1,");") will insert "foobar(33);"
@@ -904,11 +943,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Several cleanups for Redhat 8.0.
-* Verilator 3.105 05/08/2003
+* Verilator 3.105 2003/05/08
 **** Fixed more GCC 3.2 errors. [David Black]
-* Verilator 3.104 04/30/2003
+* Verilator 3.104 2003/04/30
 *** Indicate direction of ports with VL_IN and VL_OUT.
@@ -926,30 +965,30 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed GCC 3.2 compile errors.  [Narayan Bhagavatula]
-* Verilator 3.103 01/28/2003
+* Verilator 3.103 2003/01/28
 **** Fixed missing model evaluation when clock generated several levels of
     hierarchy across from where it is used as a clock.  [Richard Myers]
 **** Fixed sign-extension bug introduced in 3.102.
-* Verilator 3.102 01/24/2003
+* Verilator 3.102 2003/01/24
 **** Fixed sign-extension of X/Z's ("32'hx")
-* Verilator 3.101 01/13/2003
+* Verilator 3.101 2003/01/13
 **** Fixed 'parameter FOO=#'bXXXX' [Richard Myers]
 **** Allow spaces inside numbers ("32'h 1234") [Sam Gladstone]
-* Verilator 3.100 12/23/2002
+* Verilator 3.100 2002/12/23
 **   Support for simple tasks w/o vars or I/O.  [Richard Myers]
 **** Ignore DOS carriage returns in Linux files. [Richard Myers]
-* Verilator 3.012 12/18/2002
+* Verilator 3.012 2002/12/18
 **** Fixed parsing bug with casex statements containing case items
     with bit extracts of parameters. [Richard Myers]
@@ -962,20 +1001,20 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed compile with threaded Perl.  [Ami Keren]
-* Verilator 3.010  11/3/2002
+* Verilator 3.010  2002/11/3
 *** Support SystemC 2.0.1.  SystemPerl version 1.130 or newer is required.
 **** Fixed bug with inlined modules under other inlined modules.  [Scott
     Bleiweiss]
-* Verilator 3.005  10/21/2002
+* Verilator 3.005  2002/10/21
 **** Fixed X's in case (not casex/z) to constant propagate correctly.
 **** Fixed missing include. [Kurachi]
-* Verilator 3.004  10/10/2002
+* Verilator 3.004  2002/10/10
 *** Added /* verilator module_inline */ and associated optimizations.
@@ -990,7 +1029,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Additional concatenation optimizations.
-* Verilator 3.003  09/13/2002
+* Verilator 3.003  2002/09/13
 *** Now compiles on Windows 2000 with Cygwin.
@@ -998,11 +1037,11 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Optimize wire assignments to constants.
-* Verilator 3.002  08/19/2002
+* Verilator 3.002  2002/08/19
 ** First public release of version 3.
-* Verilator 3.000  08/03/2002
+* Verilator 3.000  2002/08/03
 ** All new code base.  Many changes too numerous to mention.
@@ -1012,7 +1051,7 @@ indicates the contributor was also the author of the fix; Thanks!
 *** Supports `defines across multiple modules
 *** Optimizes call ordering, constant propagation, and dead code elimination.
-* Verilator 2.1.8 04/03/2002
+* Verilator 2.1.8 2002/04/03
 ** All applications must now link against include/verilated.cpp
@@ -1028,7 +1067,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Split evaluation function into clocked and non-clocked, 20% perf gain.
-* Verilator 2.1.5 12/1/2001
+* Verilator 2.1.5 2001/12/1
 ** Added coverage analysis.  In conjunction with SystemC provide line
   coverage reports, without SystemC, provide a hook to user written
@@ -1046,15 +1085,15 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed corruption of assignments of signal over 32 bits with non-0 lsb.
-* Verilator 2.1.4 11/16/2001
+* Verilator 2.1.4 2001/11/16
 ** Added $c("c_commands();");  for embedding arbitrary C code in Verilog.
-* Verilator 2.1.3 11/03/2001
+* Verilator 2.1.3 2001/11/03
 ** Support for parameters.
-* Verilator 2.1.2 10/25/2001
+* Verilator 2.1.2 2001/10/25
 ** Verilog Errors now reference the .v file rather then the .vpp file.
@@ -1069,7 +1108,7 @@ indicates the contributor was also the author of the fix; Thanks!
 **** Fixed bug where XNOR on odd-bit-widths (~^ or ^~) had bad value.
-* Verilator 2.1.1 5/17/2001
+* Verilator 2.1.1 2001/5/17
 ** New test_sp directory for System-Perl (SystemC) top level instantiation
 of the Verilated code, lower modules are still C++ code.  (Experimental).
@@ -1084,42 +1123,42 @@ of input ports exists for tracing.
 **** Many code cleanups towards standard C++ style conventions.
-* Verilator 2.1.0 5/8/2001
+* Verilator 2.1.0 2001/5/8
 **** Many code cleanups towards standard C++ style conventions.
 * {Version history lost}
-* Verilator 1.8 7/8/1996
+* Verilator 1.8 1996/7/8
 ** [Versions 0 to 1.8 were by Paul Wasson]
 ****  Fixed single bit in concat from instance output incorrect offset bug.
-* Verilator 1.7 5/20/1996
+* Verilator 1.7 1996/5/20
 ****  Mask unused bits of DONTCAREs.
-* Verilator 1.6 5/13/1996
+* Verilator 1.6 1996/5/13
 *** Added fasttrace script
-* Verilator 1.5 1/9/1996
+* Verilator 1.5 1996/1/9
 *** Pass structure pointer into translated code,
    so multiple instances can use same functions.
 **** Fixed static value concat on casex items.
-* Verilator 1.1 3/30/1995
+* Verilator 1.1 1995/3/30
 *** Bug fixes, added verimake_partial script, performance improvements.
-* Verilator 1.0c 9/30/1994
+* Verilator 1.0c 1994/9/30
 *** Initial release of Verilator
-* Verilator 0.0 7/8/1994
+* Verilator 0.0 1994/7/8
 **** First code written.
@@ -1129,7 +1168,7 @@ $Id$
 This uses outline mode in Emacs.  See C-h m [M-x describe-mode].
-Copyright 2001-2007 by Wilson Snyder.  This program is free software;
+Copyright 2001-2008 by Wilson Snyder.  This program is free software;
 you can redistribute it and/or modify it under the terms of either the GNU
 General Public License or the Perl Artistic License.
@@ -10,7 +10,7 @@
 # 
 #*****************************************************************************
 # 
-# Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+# Copyright 2003-2008 by Wilson Snyder. This program is free software; you can
 # redistribute it and/or modify it under the terms of either the GNU
 # General Public License or the Perl Artistic License.
 # 
@@ -78,6 +78,7 @@ datadir = @datadir@
 infodir = @infodir@
 # Directory in which to install package specific files
 # Generally ${prefix}/share/verilator
 pkgdatadir = @pkgdatadir@
 #### End of system configuration section. ####
@@ -140,6 +141,7 @@ msg_test:
 	@echo "Type 'make test' to test."
 	@echo
 .PHONY:test
 ifeq ($(VERILATOR_AUTHOR_SITE),1)	# Local... Else don't burden users
 test: test_vcs test_c test_sc test_sp test_verilated test_regress
 else
@@ -203,21 +205,31 @@ README: readme.texi
 	$(MAKEINFO) -I$(srcdir) $(srcdir)/readme.texi --output=$@ \
 	--no-headers --no-validate
 installdirs:
 	$(SHELL) ${srcdir}/mkinstalldirs $(bindir) $(infodir)
 # See uninstall also
-VL_INST_BIN_FILES = verilator
+VL_INST_BIN_FILES = verilator verilator_bin verilator_bin_dbg
 installbin:
 	$(SHELL) ${srcdir}/mkinstalldirs $(bindir)
 	( cd bin ; $(INSTALL_PROGRAM) verilator $(bindir)/verilator )
 	( $(INSTALL_PROGRAM) verilator_bin $(bindir)/verilator_bin )
 	( $(INSTALL_PROGRAM) verilator_bin_dbg $(bindir)/verilator_bin_dbg )
 VL_INST_MAN_FILES = verilator.1
 installman:
 	$(SHELL) ${srcdir}/mkinstalldirs $(mandir)
 	for p in $(VL_INST_MAN_FILES) ; do \
 	  $(INSTALL_PROGRAM) $$p $(mandir)/man1/$$p; \
 	done
-install: all_nomsg installdirs installbin installman install-msg
+installdata:
 	$(SHELL) ${srcdir}/mkinstalldirs $(pkgdatadir)/examples
 	cp -r include $(pkgdatadir)
 	cp -r src     $(pkgdatadir)
 	cp -r test_c  $(pkgdatadir)/examples
 	cp -r test_sc $(pkgdatadir)/examples
 	cp -r test_sp $(pkgdatadir)/examples
 VL_INST_DATA_FILES = verilator.1
 install: all_nomsg installbin installman installdata install-msg
 install-here: installman ftp
@@ -263,6 +275,7 @@ install-msg:
 uninstall:
 	-cd $(mandir)/man1 && rm -f $(VL_INST_MAN_FILES)
 	-cd $(bindir) && rm -f $(VL_INST_BIN_FILES)
 	-rm -f $(pkgdatadir)
 # autoheader might not change config_build.h.in, so touch a stamp file.
 IN_WILD := ${srcdir}/*.in ${srcdir}/*/*.in ${srcdir}/*/*/*.in \
@@ -1,167 +0,0 @@
 1 Verilator
 ***********
 This is the Verilator Package.
 1.1 Copyright
 =============
 This package is Copyright 2003-2007 by Wilson Snyder
 <[email protected]>.
   You may distribute under the terms of either the GNU General Public
 License or the Artistic License, as specified in the Perl README file.
   This code is provided with no warranty of any kind, and is used
 entirely at your own risk.
 1.2 Description
 ===============
 Verilator converts synthesizable (not behavioral) Verilog code into C++
 or SystemC code.  It is not a complete simulator, just a translator.
   Verilator is invoked with parameters similar to GCC or Synopsys's
 VCS.  It reads the specified Verilog code, lints it, and optionally
 adds coverage code.  For C++ format, it outputs .cpp and .h files.  For
 SystemC format, it outputs .sp files for the SystemPerl preprocessor
 available at http://veripool.com.
   The resulting files are then compiled with C++.  The user writes a
 little C++ wrapper file, which instantiates the top level module.  This
 is compiled in C++, and linked with the Verilated files.
   The resulting executable will perform the actual simulation.
 1.3 Obtaining Distribution
 ==========================
 The latest version is available at `http://veripool.com/verilator.htm'
   Download the latest package from that site, and decompress.  `gunzip
 verilator_version.tar.gz ; tar xvf verilator_version.tar'
 1.4 Directory Structure
 =======================
 The directories after de-taring are as follows:
   * bin/verilator	     => Compiler Wrapper invoked on user Verilog code
   * include/		     => Files that should be in your -I compiler
     path
   * include/verilated.cpp   => Global routines to link into your
     simulator
   * include/verilated.h     => Global headers
   * include/verilated.v     => Stub defines for linting
   * include/verilated.mk    => Common makefile
   * src/		     => Translator source code
   * test_v		     => Example Verilog code for other test dirs
   * test_c		     => Example Verilog->C++ conversion
   * test_sc		     => Example Verilog->SystemC conversion
   * test_sp		     => Example Verilog->SystemPerl conversion
   * test_vcs		     => Example Verilog->VCS conversion (test the
     test)
   * test_verilated	     => Internal tests
   * test_regress	     => Internal tests
 1.5 Supported Systems
 =====================
 This version of verilator has been built and tested on:
   * SuSE AMD64 i686-linux-2.6.5
   Other users report success with Redhat Linux 2.4, Windows under
 Cygwin, HPUX and Solaris.  It should run with minor porting on any Unix
 system.
 1.6 Installation
 ================
  1. If you will be using SystemC (vs straight C++ output), download
     SystemC 2.0.1 from `http://www.systemc.org'.  Follow their
     installation instructions.  As described in the System-Perl README,
     you will need to set SYSTEMC and/or SYSTEMC_KIT to point to this
     download.  Also, set SYSTEMC_ARCH to the architecture name you used
     with SystemC, generally 'linux' or 'cygwin'.
  2. If you will be using SystemC, download and install Verilog-Perl,
     `http://search.cpan.org/search?module=Verilog::Language'.
  3. If you will be using SystemC, download and install System-Perl,
     `http://search.cpan.org/search?module=SystemC::Netlist'.  Note
     you'll need to set a `SYSTEMPERL' environment variable to point to
     the downloaded kit (not the installed files.)  Also, make sure to
     do a `make sc_patch'.
  4. `cd' to the Verilator directory containing this README.
  5. Type `./configure' to configure Verilator for your system.
  6. Type `make' to compile Verilator.
     On Cygwin (Windows) you may get a error about libperl.a not being
     found.  You need to copy your perl libraries as follows.
       1.   Type `perl -MExtUtils::Embed -e ldopts'
       2.   It will show a directory name ending in /CORE.  cd to that
          directory.
       3.   `cp libperl5_6_1.a libperl.a'
       4.   `cp libperl5_6_1.dll libperl.dll'
       5.   `cp libperl5_6_1.def libperl.def'
  7. Type `make test' to check the compilation.
     You may get a error about the Bit::Vector perl package.  You will
     need to install it if you want the tests to pass.  (Try `make
     test_c' for a smaller test that doesn't require it.)
     You may get a error about a typedef conflict for uint32_t.  Edit
     verilated.h to change the typedef to work, probably to `typedef
     unsigned long uint32_t;'.
     If you get warnings, you might want to edit `include/verilated.mk'
     to delete the lines that define VK_CPPFLAGS_WALL.
  8.  There is no installation at present; this package runs from the
     distribution directory.  Programs should set the environment
     variable VERILATOR_ROOT to point to this distribution, then execute
     $VERILATOR_ROOT/bin/verilator, which will find the path to all
     needed files.
     Verilator assumes you did a make in the SystemC kit directory.  If
     not, you will need to populate `$SYSTEMC/include' and
     `$SYSTEMC/lib-linux' appropriately.
     If you will be modifying Verilator, you will probably want a second
     stable copy of this kit for others to use while you experiment.
  9. Detailed documentation and the man page can be seen by running:
     bin/verilator -help
     or reading verilator.txt in the same directory as this README.
 1.7 Limitations
 ===============
 See verilator.txt (or execute `bin/verilator --help') for limitations.
@@ -1,7 +1,7 @@
 // $Id$
 // DESCRIPTION: Verilator: List of To Do issues.
 //
-// Copyright 2004-2007 by Wilson Snyder. This program is free software; you can
+// Copyright 2004-2008 by Wilson Snyder. This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
@@ -52,6 +52,10 @@ Usability:
 	Better reporting of unopt problems, including what lines of code
 	Report more errors (all of them?) before exiting [Eugene Weber]	
 Internal Code:
 	Eliminate the AstNUser* passed to all visitors; its only needed in V3Width,
 	and removing it will speed up and simplify all the other code.
 Performance:
 	Constant propagation
 		Extra cleaning AND:  1 & ((VARREF >> 1) | ((&VARREF >> 1) & VARREF))
@@ -4,7 +4,7 @@ eval 'exec perl -wS $0 ${1+"$@"}'
 # $Id$
 ######################################################################
 #
-# Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+# Copyright 2003-2008 by Wilson Snyder. This program is free software; you can
 # redistribute it and/or modify it under the terms of either the GNU
 # General Public License or the Perl Artistic License.
 #
@@ -34,27 +34,7 @@ use Config;
 use Cwd qw(abs_path getcwd);
 use strict;
-use vars qw ($Debug %Vars $Opt $Opt_Make_Dir $Opt_Sp @Opt_Verilator_Sw
+use vars qw ($Debug @Opt_Verilator_Sw);
 	     $Opt_Trace
 	     %Modules
 	     );
 #######################################################################
 # Global constants -- Configuration info
 # Where to find real executables
 # We could find it by using $RealBin, but we require this path
 # so that when the user runs make, they will have it and not get strange error.
 $ENV{VERILATOR_ROOT} or die "%Error: verilator: VERILATOR_ROOT needs to be in environment\n";
 print "export VERILATOR_ROOT=$ENV{VERILATOR_ROOT}\n" if $Debug;
 # Read by verilator for populating makefile
 if (!defined $ENV{SYSTEMC_ARCH}) {
    $ENV{SYSTEMC_ARCH} ||= (($Config{osname} =~ /solaris/i && "gccsparcOS5")
 			    || ($Config{osname} =~ /cygwin/i && "cygwin")
 			    || "linux");
    print "export SYSTEMC_ARCH=$ENV{SYSTEMC_ARCH}\n" if $Debug;
 }
 #######################################################################
 #######################################################################
@@ -65,7 +45,6 @@ autoflush STDERR 1;
 $Debug = 0;
 my $opt_gdb;
 $Opt_Sp = undef;
 # No arguments can't do anything useful.  Give help
 if ($#ARGV < 0) {
@@ -84,33 +63,15 @@ if (! GetOptions (
 		  # Major operating modes
 		  "help"	=> \&usage,
 		  "debug:s"	=> \&debug,
-		  "version!"	=> \&version,
+		  # "version!"	=> \&version,	# Also passthru'ed
 		  # Switches
 		  "gdb=s"	=> \$opt_gdb,	# Undocumented debugging
 		  "trace!"	=> \$Opt_Trace,
 		  "sp!"		=> sub {$Opt_Sp = 'sp';},
 		  "sc!"		=> sub {$Opt_Sp = 'sc';},
 		  "cc!"		=> sub {$Opt_Sp = 0;},
 		  #"ignc!"	=> ...,		# Undocumented debugging, disable $c but don't complain
 		  # Additional parameters
 		  "<>"		=> sub {},	# Ignored
 		  )) {
    pod2usage(-exitstatus=>2, -verbose=>0);
 }
 # Check configuration
 if ($Opt_Sp) {
    (defined $ENV{SYSTEMC}) or die "%Error: verilator: Need \$SYSTEMC in environment\nProbably System-C isn't installed, see http://www.systemc.org\n";
 }
 if ($Opt_Sp eq 'sp' || $Opt_Trace) {
    if (!defined $ENV{SYSTEMPERL}) {
 	my $try = "$ENV{W}/hw/utils/perltools/SystemC";
 	$ENV{SYSTEMPERL} = $try if -d $try;
    }
    (defined $ENV{SYSTEMPERL}) or die "%Error: verilator: Need \$SYSTEMPERL in environment for --sp or --trace\nProbably System-Perl isn't installed, see http://www.veripool.com/systemperl.html\n";
    (-d "$ENV{SYSTEMPERL}/src") or die "%Error: verilator: \$SYSTEMPERL environment var doesn't seem to point to System-Perl kit\n";
 }
 # Determine runtime flags
 my $vcmd =(($opt_gdb?"$opt_gdb ":"")
 	   .verilator_bin()
@@ -123,7 +84,6 @@ run ($vcmd);
 #----------------------------------------------------------------------
 sub usage {
    bin_version();
    print '$Revision$$Date$ ', "\n";
    pod2usage(-exitstatus=>2, -verbose=>2);
 }
@@ -134,23 +94,16 @@ sub debug {
    $Debug = $level||3;
 }
 sub version {
    bin_version();
    exit (0);
 }
 sub bin_version {
    ($ENV{VERILATOR_ROOT}) or print "%Warning: Unknown rev: VERILATOR_ROOT undefined\n";
    run (verilator_bin()." --version");
 }
 #######################################################################
 #######################################################################
 # Builds
 sub verilator_bin {
-    my $bin = "$ENV{VERILATOR_ROOT}/".($ENV{VERILATOR_BIN}||"verilator_bin");
+    my $bin = "";
-    if ($Debug && -x "${bin}_dbg") { $bin = "${bin}_dbg"; }
+    # Use VERILATOR_ROOT if defined, else assume verilator_bin is in the search path
    $bin .= $ENV{VERILATOR_ROOT}."/" if defined($ENV{VERILATOR_ROOT});
    $bin .= ($ENV{VERILATOR_BIN}||"verilator_bin");
    if ($Debug) { $bin = "${bin}_dbg"; }
    return $bin;
 }
@@ -165,8 +118,11 @@ sub run {
    system($command);
    my $status = $?;
    if ($status) {
 	if ($! =~ /no such file or directory/i) {
 	    warn "%Error: verilator: Misinstalled, or VERILATOR_ROOT might need to be in environment\n";
 	}
 	if ($Debug) {  # For easy rerunning
-	    warn "%Error: export VERILATOR_ROOT=$ENV{VERILATOR_ROOT}\n";
+	    warn "%Error: export VERILATOR_ROOT=".($ENV{VERILATOR_ROOT}||"")."\n";
 	    warn "%Error: $command\n";
 	}
 	die "%Error: Command Failed $command\n";
@@ -234,6 +190,7 @@ descriptions in the next sections for more information.
    --debug-check               Enable debugging assertions
    --dump-tree                 Enable dumping .tree files
    -E                          Preprocess, but do not compile
    --error-limit <value>	Abort after this number of errors
    --exe                       Link to create executable
    -f <file>                   Parse options from a file
    --help                      Display this help.
@@ -392,6 +349,11 @@ Preprocess the source code, but do not compile, as with 'gcc -E'.  Output
 is written to standard out.  Beware of enabling debugging messages, as they
 will also go to standard out.
 =item --error-limit <value>
 After this number of errors or warnings are encountered, exit.  Defaults to
 50.
 =item --exe
 Generate a executable.  You will also need to pass additional .cpp files on
@@ -434,7 +396,7 @@ to gcc -MP option.
 =item --Mdir I<directory>
 Specifies the name of the Make object directory.  All generated files will
-be placed in this directory.
+be placed in this directory.  If not specified, "obj_dir" is used.
 =item --mod-prefix I<topname>
@@ -489,8 +451,8 @@ the backward-compatible default of sc_bv's.
 =item --prefix I<topname>
-Specifies the name of the top level class.  Defaults to the name of the top
+Specifies the name of the top level class.  Defaults to the name of the first
-level Verilog module.
+Verilog file passed on the command line.
 =item --profile-cfuncs
@@ -538,9 +500,12 @@ Creates a dump file with statistics on the design in {prefix}__stats.txt.
 =item --trace
-Adds waveform tracing code to the model.  Having tracing compiled in may
+Adds waveform tracing code to the model, this will create additional
-result in some small performance losses, even when waveforms are not turned
+{prefix}__Trace*.cpp files you will need to add to your Makefiles, if
-on during model execution.
+you're not using the ones generated for you.
 Having tracing compiled in may result in some small performance losses,
 even when waveforms are not turned on during model execution.
 =item --trace-depth I<levels>
@@ -868,14 +833,16 @@ After running Make, the C++ compiler should produce the following:
 Required for SystemC output mode.  If set, specifies the directory
 containing the SystemC distribution.  This is used to find the SystemC
-include files.
+include files.  If not specified, it will come from a default optionally
 specified at configure time (before Verilator was compiled).
 =item SYSTEMC_ARCH
 Specifies the architecture name used by the SystemC kit.  This is the part
 after the dash in the lib-{...} directory name created by a 'make' in the
 SystemC distribution.  If not set, Verilator will try to intuit the proper
-setting.
+setting, or use the default optionally specified at configure time (before
 Verilator was compiled).  .
 =item SYSTEMC_CXX_FLAGS
@@ -885,7 +852,9 @@ building the SystemC model.
 =item SYSTEMPERL
 Specifies the directory containing the Verilog-Perl distribution kit.  This
-is used to find the Verilog-Perl library and include files.
+is used to find the Verilog-Perl library and include files.  If not
 specified, it will come from a default optionally specified at configure
 time (before Verilator was compiled).
 =item VCS_HOME
@@ -901,7 +870,9 @@ for debugging and selecting between multiple operating system builds.
 =item VERILATOR_ROOT
 Specifies the directory containing the distribution kit.  This is used to
-find the executable, Perl library, and include files.
+find the executable, Perl library, and include files.  If not specified, it
 will come from a default optionally specified at configure time (before
 Verilator was compiled).
 =back
@@ -1730,6 +1701,23 @@ not really needed.  The best solution is to insure that each module is in a
 unique file by the same name.  Otherwise, make sure all library files are
 read in as libraries with -v, instead of automatically with -y.
 =item REDEFMACRO
 Warns that you have redefined the same macro with a different value, for
 example:
    `define MACRO def1
    //...
    `define MACRO otherdef
 The best solution is to use a different name for the second macro.  If this
 is not possible, add a undef to indicate the code is overriding the value:
    `define MACRO def1
    //...
    `undef MACRO
    `define MACRO otherdef
 =item STMTDLY
 Warns that you have a statement with a delayed time in front of it, for
@@ -1940,11 +1928,14 @@ Visual C++ Version 7 or newer, but this is not tested by the author.
 =item Can you provide binaries?
-At this time I'd prefer to get patches out quickly than have to generate
+Verilator is available as a RPM for SuSE and perhaps other systems; this is
-myriad binaries for many different OS flavors.  People have generally
+done by porters and may slightly lag the primary distribution.  If there
-requested binaries when they are having problems with their C++
+isn't a binary build for your distribution, how about you set one up?
-compiler. Alas, binaries won't help this, as in the end a fully working C++
+Please contact the authors for assistance.
-compiler is required to compile the output of Verilator.
+
 Note people sometimes request binaries when they are having problems with
 their C++ compiler. Alas, binaries won't help this, as in the end a fully
 working C++ compiler is required to compile the output of Verilator.
 =item How can it be faster than (name-the-simulator)?
@@ -1979,9 +1970,9 @@ using --debug), see if your machine is paging; most likely you need to run
 it on a machine with more memory.  Verilator is a full 64 bit application
 and may use more than 4GB, but about 1GB is the maximum typically needed.
-=item How do I generate waveforms (traces) in C++?
+=item How do I generate waveforms (traces) in C++ or SystemC?
-See the next question for tracing in SystemC mode.
+See the next question for tracing in SystemPerl mode.
 Add the --trace switch to Verilator, and make sure the SystemPerl package
 is installed. SystemC itself does not need to be installed for C++ only
@@ -1998,7 +1989,7 @@ distribution.
 You also need to compile SpTraceVcdC.cpp and add it to your link.  This is
 done for you if using the Verilator --exe flag.
-=item How do I generate waveforms (traces) in SystemC?
+=item How do I generate waveforms (traces) in SystemPerl?
 Add the --trace switch to Verilator, and make sure the SystemPerl package
 is installed.
@@ -2027,15 +2018,24 @@ the "verilator" define for you, so just wrap the code in a ifndef region:
 =item Why do I get "unexpected `do'" or "unexpected `bit'" errors?
-Do, bit, ref, and other words are now SystemVerilog keywords.  You should
+Do, bit, ref, return, and other words are now SystemVerilog keywords.  You
-change your code to not use them to insure it works with newer tools.
+should change your code to not use them to insure it works with newer
-Alternatively, surround them by the Verilog 2005/SystemVerilog
+tools.  Alternatively, surround them by the Verilog 2005/SystemVerilog
 begin_keywords pragma to indicate Verilog 2001 code.
   `begin_keywords "1364-2001"
      integer bit; initial bit = 1;
   `end_keywords
 If you want the whole file to be parsed as Verilog 2001, just create a
 file with
   `begin_keywords "1364-2001"
 and add it before other Verilog files on the command line.  (Note this will
 also change the default for --prefix, so if you're not using --prefix, you
 will now need to.)
 =item How do I prevent my assertions from firing during reset?
 Call Verilated::assertOn(false) before you first call the model, then turn
@@ -2215,7 +2215,7 @@ Eugene Weber, Leon Wildman, and Mat Zeno.
 The latest version is available from L<http://www.veripool.com/>.
-Copyright 2003-2007 by Wilson Snyder.  Verilator is free software; you can
+Copyright 2003-2008 by Wilson Snyder.  Verilator is free software; you can
 redistribute it and/or modify it under the terms of either the GNU Lesser
 General Public License or the Perl Artistic License.
@@ -4,7 +4,7 @@ eval 'exec perl -wS $0 ${1+"$@"}'
 # $Id$
 ######################################################################
 #
-# Copyright 2005-2007 by Wilson Snyder <[email protected]>.  This
+# Copyright 2005-2008 by Wilson Snyder <[email protected]>.  This
 # program is free software; you can redistribute it and/or modify it under
 # the terms of either the GNU Lesser General Public License or the Perl
 # Artistic License.
@@ -180,7 +180,7 @@ Displays this message and program version and exits.
 The latest version is available from L<http://www.veripool.com/>.
-Copyright 2005-2007 by Wilson Snyder.  This package is free software; you
+Copyright 2005-2008 by Wilson Snyder.  This package is free software; you
 can redistribute it and/or modify it under the terms of either the GNU
 Lesser General Public License or the Perl Artistic License.
@@ -4,7 +4,7 @@ eval 'exec perl -wS $0 ${1+"$@"}'
 # $Id$
 # DESCRIPTION: Print include statements for each ARGV
 #
-# Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+# Copyright 2003-2008 by Wilson Snyder. This program is free software; you can
 # redistribute it and/or modify it under the terms of either the GNU
 # General Public License or the Perl Artistic License.
 ######################################################################
@@ -4,7 +4,7 @@ eval 'exec perl -wS $0 ${1+"$@"}'
 # $Id$
 ######################################################################
 #
-# Copyright 2007-2007 by Wilson Snyder <[email protected]>.  This
+# Copyright 2007-2008 by Wilson Snyder <[email protected]>.  This
 # program is free software; you can redistribute it and/or modify it under
 # the terms of either the GNU Lesser General Public License or the Perl
 # Artistic License.
@@ -191,7 +191,7 @@ Displays this message and program version and exits.
 The latest version is available from L<http://www.veripool.com/>.
-Copyright 2007-2007 by Wilson Snyder.  This package is free software; you
+Copyright 2007-2008 by Wilson Snyder.  This package is free software; you
 can redistribute it and/or modify it under the terms of either the GNU
 Lesser General Public License or the Perl Artistic License.
@@ -1,6 +1,6 @@
 dnl $Id$
 dnl DESCRIPTION: Process this file with autoconf to produce a configure script.
-dnl Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+dnl Copyright 2003-2008 by Wilson Snyder. This program is free software; you can
 dnl redistribute it and/or modify it under the terms of either the GNU
 dnl General Public License or the Perl Artistic License.
@@ -9,6 +9,10 @@ AC_INIT(src/Verilator.cpp)
 AC_CONFIG_HEADER(src/config_build.h)
 dnl Special Substitutions
 AC_ARG_ENABLE(defenv,
   [AS_HELP_STRING([--enable-defenv], [hardcode default environment variables])],
   CFG_WITH_DEFENV=1,)
 AC_SUBST(CFG_WITH_DEFENV)
 dnl Checks for programs.
 CXX=g++
@@ -1,7 +1,7 @@
 // $Id$ -*- C++ -*-
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+// Copyright 2003-2008 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 or the Perl Artistic License.
 //
@@ -1,7 +1,7 @@
 // $Id$ -*- C++ -*-
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+// Copyright 2003-2008 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 or the Perl Artistic License.
 //
@@ -2,7 +2,7 @@
 ######################################################################
 # DESCRIPTION: Makefile commands for all verilated target files
 #
-# Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+# Copyright 2003-2008 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 or the Perl Artistic License.
 ######################################################################
@@ -77,7 +77,6 @@ VM_SUPPORT += $(VM_SUPPORT_FAST) $(VM_SUPPORT_SLOW)
 ifeq ($(VM_SP_OR_SC),1)
  CPPFLAGS += $(SYSTEMC_CXX_FLAGS) -I$(SYSTEMC)/include
  LDFLAGS  += $(SYSTEMC_CXX_FLAGS) -L$(SYSTEMC)/lib-$(VM_SC_TARGET_ARCH)
  LIBS     += -lm -lstdc++
  SC_LIBS   = -lsystemc
 ifneq ($(wildcard $(SYSTEMC)/lib-$(VM_SC_TARGET_ARCH)/*numeric_bit*),)
  # Systemc 1.2.1beta
@@ -91,6 +90,7 @@ endif
 ifeq ($(VM_SP),1)
  CPPFLAGS += -I$(SYSTEMPERL)/src -DSYSTEMPERL
  VPATH    +=   $(SYSTEMPERL)/src
  LIBS   += -lm -lstdc++
  VK_CLASSES_SP = $(addsuffix .sp, $(VM_CLASSES))
@@ -103,6 +103,17 @@ else
  preproc:
 endif
 #######################################################################
 ##### SystemC w/o SystemPerl builds
 ifeq ($(VM_SC),1)
  LIBS   += -lm -lstdc++
 ifeq ($(VM_TRACE),1)
  CPPFLAGS += -I$(SYSTEMPERL)/src
  VPATH    +=   $(SYSTEMPERL)/src
 endif
 endif
 #######################################################################
 ##### C/H builds
@@ -5,7 +5,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+// Copyright 2003-2008 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 or the Perl Artistic License.
 //
@@ -1,7 +1,7 @@
 // $Id$ -*- C++ -*-
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder. This program is free software; you can
+// Copyright 2003-2008 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 or the Perl Artistic License.
 //
@@ -2,7 +2,7 @@
 #$Id$
 ######################################################################
 #
-# Copyright 2007-2007 by Wilson Snyder.
+# Copyright 2007-2008 by Wilson Snyder.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of either the GNU General Public License or the
@@ -2,7 +2,7 @@
 # $Id$
 ######################################################################
 #
-# Copyright 2005-2007 by Wilson Snyder <[email protected]>.  This
+# Copyright 2005-2008 by Wilson Snyder <[email protected]>.  This
 # program is free software; you can redistribute it and/or modify it under
 # the terms of either the GNU Lesser General Public License or the Perl
 # Artistic License.
@@ -156,7 +156,7 @@ Displays this message and program version and exits.
 =head1 DISTRIBUTION
-Copyright 2005-2007 by Wilson Snyder.  This package is free software; you
+Copyright 2005-2008 by Wilson Snyder.  This package is free software; you
 can redistribute it and/or modify it under the terms of either the GNU
 Lesser General Public License or the Perl Artistic License.
@@ -2,7 +2,7 @@
 # $Id$
 ######################################################################
 #
-# Copyright 2005-2007 by Wilson Snyder <[email protected]>.  This
+# Copyright 2005-2008 by Wilson Snyder <[email protected]>.  This
 # program is free software; you can redistribute it and/or modify it under
 # the terms of either the GNU Lesser General Public License or the Perl
 # Artistic License.
@@ -197,7 +197,7 @@ Displays this message and program version and exits.
 =head1 DISTRIBUTION
-Copyright 2005-2007 by Wilson Snyder.  This package is free software; you
+Copyright 2005-2008 by Wilson Snyder.  This package is free software; you
 can redistribute it and/or modify it under the terms of either the GNU
 Lesser General Public License or the Perl Artistic License.
@@ -2,7 +2,7 @@
 # $Id$
 ######################################################################
 #
-# Copyright 2007-2007 by Wilson Snyder <[email protected]>.  This
+# Copyright 2007-2008 by Wilson Snyder <[email protected]>.  This
 # program is free software; you can redistribute it and/or modify it under
 # the terms of either the GNU Lesser General Public License or the Perl
 # Artistic License.
@@ -52,7 +52,7 @@ invoke_ncverilog - Invoke tool under "modules" command
 =head1 DISTRIBUTION
-Copyright 2007-2007 by Wilson Snyder.  This package is free software; you
+Copyright 2007-2008 by Wilson Snyder.  This package is free software; you
 can redistribute it and/or modify it under the terms of either the GNU
 Lesser General Public License or the Perl Artistic License.
@@ -2,7 +2,7 @@
 # $Id$
 ######################################################################
 #
-# Copyright 2005-2007 by Wilson Snyder <[email protected]>.  This
+# Copyright 2005-2008 by Wilson Snyder <[email protected]>.  This
 # program is free software; you can redistribute it and/or modify it under
 # the terms of either the GNU Lesser General Public License or the Perl
 # Artistic License.
@@ -344,7 +344,7 @@ Displays this message and program version and exits.
 =head1 DISTRIBUTION
-Copyright 2005-2007 by Wilson Snyder.  This package is free software; you
+Copyright 2005-2008 by Wilson Snyder.  This package is free software; you
 can redistribute it and/or modify it under the terms of either the GNU
 Lesser General Public License or the Perl Artistic License.
@@ -27,7 +27,7 @@ This is the Verilator Package.
@node Copyright, Description, Top, Top
@section Copyright
-This package is Copyright 2003-2007 by Wilson Snyder @email{wsnyder@@wsnyder.org}.
+This package is Copyright 2003-2008 by Wilson Snyder @email{wsnyder@@wsnyder.org}.
 You may distribute under the terms of either the GNU General Public License
 or the Artistic License, as specified in the Perl README file.
@@ -126,6 +126,12 @@ do a @code{make sc_patch}.
@item
 Type @samp{./configure} to configure Verilator for your system.
 If you are configuring Verilator to be part of a RPM or other
 distribution package system, you may want to use the --enable-defenv
 configure flag.  This will take the current value of VERILATOR_ROOT,
 SYSTEMC, SYSTEMC_ARCH, and SYSTEMPERL and build them as defaults into
 the executable.
@item
 Type @samp{make} to compile Verilator.
@@ -7,7 +7,7 @@
 #
 #*****************************************************************************
 #
-# Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+# Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 # redistribute it and/or modify it under the terms of either the GNU
 # General Public License or the Perl Artistic License.
 #
@@ -7,7 +7,7 @@
 #
 #*****************************************************************************
 #
-# Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+# Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 # redistribute it and/or modify it under the terms of either the GNU
 # General Public License or the Perl Artistic License.
 #
@@ -30,6 +30,14 @@ LINK = @CXX@
 LDFLAGS += @LDFLAGS@
 CFG_WITH_DEFENV = @CFG_WITH_DEFENV@
 prefix = @prefix@
 # Directory in which to install package specific files
 # Generally ${prefix}/share/verilator
 pkgdatadir = @pkgdatadir@
 #### End of system configuration section. ####
 VPATH += . $(srcdir)
@@ -70,6 +78,19 @@ CPPFLAGS += -W -Wall -Wno-unused-parameter -Wno-char-subscripts -Werror
 #CPPFLAGS += -pedantic-errors
 endif
 # Allow RPM builds to specify hardcoded data directories
 # To do this:
 ifneq ($(CFG_WITH_DEFENV),)
 CPPFLAGS += -DDEFENV_SYSTEMC=\"$(SYSTEMC)\"
 CPPFLAGS += -DDEFENV_SYSTEMC_ARCH=\"$(SYSTEMC_ARCH)\"
 CPPFLAGS += -DDEFENV_SYSTEMPERL=\"$(SYSTEMPERL)\"
 ifeq ($(VERILATOR_ROOT),)	# Use what we're given, or intuit
  CPPFLAGS += -DDEFENV_VERILATOR_ROOT=\"$(pkgdatadir)\"
 else
  CPPFLAGS += -DDEFENV_VERILATOR_ROOT=\"$(VERILATOR_ROOT)\"
 endif
 endif
 HEADERS = $(wildcard V*.h v*.h)
 ASTGEN = $(srcdir)/astgen
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2005-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2005-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2005-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2005-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2005-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2005-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2005-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2005-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -83,6 +83,20 @@ void AstNode::init() {
    m_user5Cnt = 0;
 }
 string AstNode::encodeName(const string& namein) {
    string name2 = namein;
    string out;
    for (string::iterator pos = name2.begin(); pos != name2.end(); pos++) {
 	if (pos[0]=='_' && pos[1]=='_') {
 	    out += "__ULUL_";
 	    pos++;
 	} else {
 	    out += pos[0];
 	}
    }
    return out;
 }
 string AstNode::shortName() const {
    string pretty = name();
    string::size_type pos;
@@ -114,6 +128,9 @@ string AstNode::prettyName(const string& namein) {
    while ((pos=pretty.find("__PVT__")) != string::npos) {
 	pretty.replace(pos, 7, "");
    }
    while ((pos=pretty.find("__ULUL_")) != string::npos) {
 	pretty.replace(pos, 7, "");
    }
    return AstNode::dedotName(pretty);
 }
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -558,6 +558,7 @@ public:
    string 	shortName() const;	// Name with __PVT__ removed for concatenating scopes
    static string dedotName(const string& namein);	// Name with dots removed
    static string prettyName(const string& namein);	// Name for printing out to the user
    static string encodeName(const string& namein);	// Encode user name into internal C representation
    string	prettyName() const { return prettyName(name()); }
    FileLine*	fileline() const { return m_fileline; }
    int		width() const { return m_width; }
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2004-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2004-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2004-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2004-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -39,11 +39,63 @@
 #include "V3Width.h"
 #include "V3Signed.h"
 //######################################################################
 // Utilities
 class ConstVarMarkVisitor : public AstNVisitor {
    // NODE STATE
    // AstVar::userp		-> bool, Var marked, 0=not set yet
 private:
    // VISITORS
    virtual void visit(AstVarRef* nodep, AstNUser*) {
 	if (nodep->varp()) nodep->varp()->user(1);
    }
    virtual void visit(AstNode* nodep, AstNUser*) {
 	nodep->iterateChildren(*this);
    }
 public:
    // CONSTUCTORS
    ConstVarMarkVisitor(AstNode* nodep) {
 	AstNode::userClearTree();
 	nodep->iterateAndNext(*this, NULL);
    }
    virtual ~ConstVarMarkVisitor() {}
 };
 class ConstVarFindVisitor : public AstNVisitor {
    // NODE STATE
    // AstVar::userp		-> bool, input from ConstVarMarkVisitor
    // MEMBERS
    bool m_found;
 private:
    // VISITORS
    virtual void visit(AstVarRef* nodep, AstNUser*) {
 	if (nodep->varp() && nodep->varp()->user()) m_found = true;
    }
    virtual void visit(AstNode* nodep, AstNUser*) {
 	nodep->iterateChildren(*this);
    }
 public:
    // CONSTUCTORS
    ConstVarFindVisitor(AstNode* nodep) {
 	m_found = false;
 	nodep->iterateAndNext(*this, NULL);
    }
    virtual ~ConstVarFindVisitor() {}
    // METHODS
    bool found() const { return m_found; }
 };
 //######################################################################
 // Const state, as a visitor of each AstNode
 class ConstVisitor : public AstNVisitor {
 private:
    // NODE STATE
    // ** only when m_warn is set.  If state is needed other times,
    // ** must track down everywhere V3Const is called and make sure no overlaps.
    // AstVar::userp		-> Used by ConstVarMarkVisitor/ConstVarFindVisitor
    // STATE
    bool	m_params;	// If true, propogate parameterized and true numbers only
    bool	m_required;	// If true, must become a constant
@@ -494,10 +546,26 @@ private:
 	    }
 	}
 	else if (!m_cpp && nodep->lhsp()->castConcat()) {
-	    UINFO(4,"  ASSI "<<nodep<<endl);
+	    bool need_temp = false;
 	    if (m_warn && !nodep->castAssignDly()) {  // Is same var on LHS and RHS?
 		ConstVarMarkVisitor mark(nodep->lhsp());
 		ConstVarFindVisitor find(nodep->rhsp());
 		if (find.found()) need_temp = true;
 	    }
 	    if (need_temp) {
 		// The first time we constify, there may be the same variable on the LHS
 		// and RHS.  In that case, we must use temporaries, or {a,b}={b,a} will break.
 		UINFO(4,"  ASSITEMP "<<nodep<<endl);
 		// ASSIGN(CONCAT(lc1,lc2),rhs) -> ASSIGN(temp1,SEL(rhs,{size})),
 		//				  ASSIGN(temp2,SEL(newrhs,{size}))
 		//                                ASSIGN(lc1,temp1),
 		//				  ASSIGN(lc2,temp2)
 	    } else {
 		UINFO(4,"  ASSI "<<nodep<<endl);
 		// ASSIGN(CONCAT(lc1,lc2),rhs) -> ASSIGN(lc1,SEL(rhs,{size})),
 		//				  ASSIGN(lc2,SEL(newrhs,{size}))
 	    }
 	    if (debug()>=9) nodep->dumpTree(cout,"  Ass_old: ");
 	    // ASSIGN(CONCAT(lc1,lc2),rhs) -> ASSIGN(lc1,SEL(rhs,{size})),
 	    //				      ASSIGN(lc2,SEL(newrhs,{size}))
 	    // Unlink the stuff
 	    AstNode*   lc1p    = nodep->lhsp()->castConcat()->lhsp()->unlinkFrBack();
 	    AstNode*   lc2p    = nodep->lhsp()->castConcat()->rhsp()->unlinkFrBack();
@@ -517,14 +585,50 @@ private:
 	    sel2p->width(msb2-lsb2+1,msb2-lsb2+1);
 	    // Make new assigns of same flavor as old one
 	    //*** Not cloneTree; just one node.
-	    AstNodeAssign* asn1p=nodep->cloneType(lc1p, sel1p)->castNodeAssign();
+	    AstNode* newp = NULL;
-	    AstNodeAssign* asn2p=nodep->cloneType(lc2p, sel2p)->castNodeAssign();
+	    if (!need_temp) {
-	    asn1p->width(msb1-lsb1+1,msb1-lsb1+1);
+		AstNodeAssign* asn1ap=nodep->cloneType(lc1p, sel1p)->castNodeAssign();
-	    asn2p->width(msb2-lsb2+1,msb2-lsb2+1);
+		AstNodeAssign* asn2ap=nodep->cloneType(lc2p, sel2p)->castNodeAssign();
-	    nodep->addNextHere(asn1p);
+		asn1ap->width(msb1-lsb1+1,msb1-lsb1+1);
-	    nodep->addNextHere(asn2p);
+		asn2ap->width(msb2-lsb2+1,msb2-lsb2+1);
-	    if (debug()>=9) asn1p->dumpTree(cout,"     _new: ");
+		newp = newp->addNext(asn1ap);
-	    if (debug()>=9) asn2p->dumpTree(cout,"     _new: ");
+		newp = newp->addNext(asn2ap);
 	    } else {
 		if (!m_modp) nodep->v3fatalSrc("Not under module");
 		// We could create just one temp variable, but we'll get better optimization
 		// if we make one per term.
 		string name1 = ((string)"__Vconcswap__"+cvtToStr(m_modp->varNumGetInc()));
 		string name2 = ((string)"__Vconcswap__"+cvtToStr(m_modp->varNumGetInc()));
 		AstVar* temp1p = new AstVar(sel1p->fileline(), AstVarType::BLOCKTEMP, name1,
 					    new AstRange(sel1p->fileline(), msb1-lsb1, 0));
 		AstVar* temp2p = new AstVar(sel2p->fileline(), AstVarType::BLOCKTEMP, name2,
 					    new AstRange(sel2p->fileline(), msb2-lsb2, 0));
 		m_modp->addStmtp(temp1p);
 		m_modp->addStmtp(temp2p);
 		AstNodeAssign* asn1ap=nodep->cloneType
 		    (new AstVarRef(sel1p->fileline(), temp1p, true),
 		     sel1p)->castNodeAssign();
 		AstNodeAssign* asn2ap=nodep->cloneType
 		    (new AstVarRef(sel2p->fileline(), temp2p, true),
 		     sel2p)->castNodeAssign();
 		AstNodeAssign* asn1bp=nodep->cloneType
 		    (lc1p, new AstVarRef(sel1p->fileline(), temp1p, false))
 		    ->castNodeAssign();
 		AstNodeAssign* asn2bp=nodep->cloneType
 		    (lc2p, new AstVarRef(sel2p->fileline(), temp2p, false))
 		    ->castNodeAssign();
 		asn1ap->width(msb1-lsb1+1,msb1-lsb1+1);
 		asn1bp->width(msb1-lsb1+1,msb1-lsb1+1);
 		asn2ap->width(msb2-lsb2+1,msb2-lsb2+1);
 		asn2bp->width(msb2-lsb2+1,msb2-lsb2+1);
 		// This order matters
 		newp = newp->addNext(asn1ap);
 		newp = newp->addNext(asn2ap);
 		newp = newp->addNext(asn1bp);
 		newp = newp->addNext(asn2bp);
 	    }
 	    if (debug()>=9) newp->dumpTreeAndNext(cout,"     _new: ");
 	    nodep->addNextHere(newp);
 	    // Cleanup
 	    nodep->unlinkFrBack()->deleteTree(); nodep=NULL;
 	    conp->deleteTree(); conp=NULL;
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -1439,6 +1439,13 @@ void EmitCImp::emitInt(AstModule* modp) {
 	    puts("class "+modClassName(cellp->modp())+";\n");
 	}
    }
    if (v3Global.opt.trace()) {
 	if (optSystemPerl()) {
 	    puts("class SpTraceVcd;\n");
 	} else {
 	    puts("class SpTraceVcdCFile;\n");
 	}
    }
    puts("\n//----------\n\n");
    emitTextSection(AstType::SCHDR);
@@ -1529,9 +1536,9 @@ void EmitCImp::emitInt(AstModule* modp) {
    } else {
 	puts(modClassName(modp)+"(const char* name=\"TOP\");\n");
 	puts("~"+modClassName(modp)+"();\n");
-	if (v3Global.opt.trace()) {
+    }
-	    puts("void\ttrace (SpTraceVcdCFile* tfp, int levels, int options=0);\n");
+    if (v3Global.opt.trace() && !optSystemPerl()) {
-	}
+	puts("void\ttrace (SpTraceVcdCFile* tfp, int levels, int options=0);\n");
    }
    puts("void\t__Vconfigure("+symClassName()+"* symsp);\n");
    if (optSystemPerl()) puts("/*AUTOMETHODS*/\n");
@@ -1617,7 +1624,7 @@ void EmitCImp::emitImp(AstModule* modp) {
    }
    if (m_fast && m_splitFilenum==0) {
-	if (v3Global.opt.trace() && optSystemC() && m_modp->isTop()) {
+	if (v3Global.opt.trace() && optSystemPerl() && m_modp->isTop()) {
 	    puts("\n");
 	    puts("\n/*AUTOTRACE(__MODULE__,recurse,activity,exists)*/\n\n");
 	}
@@ -1704,7 +1711,7 @@ class EmitCTrace : EmitCStmts {
    // METHODS
    void emitTraceHeader() {
 	// Includes
-	if (optSystemC()) {
+	if (optSystemPerl()) {
 	    puts("#include \"SpTraceVcd.h\"\n");
 	}
 	puts("#include \"SpTraceVcdC.h\"\n");
@@ -1716,7 +1723,7 @@ class EmitCTrace : EmitCStmts {
 	puts("\n//======================\n\n");
 	puts("void "+topClassName()+"::trace (");
-	if (optSystemC()) {
+	if (optSystemPerl()) {
 	    puts("SpTraceFile* tfp, int, int) {\n");
 	} else {
 	    puts("SpTraceVcdCFile* tfp, int, int) {\n");
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2004-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2004-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -79,16 +79,16 @@ public:
 	    of.puts("default: "+v3Global.opt.prefix()+"__ALL.a\n");
 	}
 	of.puts("\n# Constants...\n");
-	of.puts("PERL = "+V3Options::getenvStr("PERL","perl")+"\n");
+	of.puts("PERL = "+V3Options::getenvPERL()+"\n");
-	of.puts("VERILATOR_ROOT = "+V3Options::getenvStr("VERILATOR_ROOT","")+"\n");
+	of.puts("VERILATOR_ROOT = "+V3Options::getenvVERILATOR_ROOT()+"\n");
-	of.puts("SYSTEMPERL = "+V3Options::getenvStr("SYSTEMPERL","")+"\n");
+	of.puts("SYSTEMPERL = "+V3Options::getenvSYSTEMPERL()+"\n");
 	of.puts("\n# Switches...\n");
 	of.puts(string("VM_SP = ")+(v3Global.opt.systemPerl()?"1":"0")+"\n");
 	of.puts(string("VM_SC = ")+((v3Global.opt.systemC()&&!v3Global.opt.systemPerl())?"1":"0")+"\n");
 	of.puts(string("VM_SP_OR_SC = ")+(v3Global.opt.systemC()?"1":"0")+"\n");
 	of.puts(string("VM_PCLI = ")+(v3Global.opt.systemC()?"0":"1")+"\n");
-	of.puts(string("VM_SC_TARGET_ARCH = ")+V3Options::getenvStr("SYSTEMC_ARCH","")+"\n");
+	of.puts(string("VM_SC_TARGET_ARCH = ")+V3Options::getenvSYSTEMC_ARCH()+"\n");
 	of.puts("\n# Vars...\n");
 	of.puts(string("VM_PREFIX = ")+v3Global.opt.prefix()+"\n");
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2004-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2004-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -243,8 +243,8 @@ void V3Error::incWarnings() {
 void V3Error::incErrors() {
    s_errCount++;
-    if (errorCount() == MAX_ERRORS) {  // Not >= as would otherwise recurse
+    if (errorCount() == v3Global.opt.errorLimit()) {  // Not >= as would otherwise recurse
-	v3fatal ("Exiting due to too many errors encountered\n");
+	v3fatal ("Exiting due to too many errors encountered; --error-limit="<<errorCount()<<endl);
    }
 }
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -53,6 +53,7 @@ public:
 	IMPLICIT,	// Implicit wire
 	IMPURE,		// Impure function not being inlined
 	MULTIDRIVEN,	// Driven from multiple blocks
 	REDEFMACRO,	// Redefining existing define macro
 	UNDRIVEN,	// No drivers
 	UNOPT,		// Unoptimizable block
 	UNOPTFLAT,	// Unoptimizable block after flattening
@@ -78,7 +79,7 @@ public:
 	    "BLKANDNBLK",
 	    "CASEINCOMPLETE", "CASEOVERLAP", "CASEX", "CMPCONST",
 	    "COMBDLY", "STMTDLY", "GENCLK", "IMPLICIT", "IMPURE",
-	    "MULTIDRIVEN",
+	    "MULTIDRIVEN", "REDEFMACRO",
 	    "UNDRIVEN", "UNOPT", "UNOPTFLAT", "UNSIGNED", "UNUSED",
 	    "VARHIDDEN", "WIDTH",
 	    " MAX"
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2004-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2004-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -23,6 +23,7 @@
 #include "verilatedos.h"
 #include <stdarg.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <iomanip>
 #include <memory>
@@ -232,6 +233,14 @@ bool V3File::checkTimes(const string& filename, const string& cmdline) {
    return dependImp.checkTimes(filename, cmdline);
 }
 void V3File::createMakeDir() {
    static bool created = false;
    if (!created) {
 	created = true;
 	mkdir(v3Global.opt.makeDir().c_str(), 0777);
    }
 }
 //######################################################################
 // V3OutFile: A class for printing to a file, with automatic indentation of C++ code.
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -46,6 +46,7 @@ public:
 	return new_ofstream_nodepend (filename, append);
    }
    static ofstream* new_ofstream_nodepend(const string& filename, bool append=false) {
 	if (filename != "/dev/null") createMakeDir();
 	if (append) {
 	    return new ofstream(filename.c_str(), ios::app);
 	} else {
@@ -53,15 +54,20 @@ public:
 	}
    }
    static FILE* new_fopen_w(const string& filename) {
 	if (filename != "/dev/null") createMakeDir();
 	addTgtDepend(filename);
 	return fopen(filename.c_str(),"w");
    }
    // Dependencies
    static void addSrcDepend(const string& filename);
    static void addTgtDepend(const string& filename);
    static void writeDepend(const string& filename);
    static void writeTimes(const string& filename, const string& cmdline);
    static bool checkTimes(const string& filename, const string& cmdline);
    // Directory utilities
    static void createMakeDir();
 };
 //============================================================================
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2005-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2005-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -480,3 +480,97 @@ public:
 void DfaGraph::dfaReduce() {
    DfaGraphReduce (this, &V3GraphEdge::followAlwaysTrue);
 }
 //######################################################################
 //######################################################################
 // Algorithms - complement a DFA
 //
 // The traditional algorithm is to make a rejecting state, add edges to
 // reject from all missing values, then swap accept and reject.  Rather
 // than swap at the end, it's faster if we swap up front, then do the edge
 // changes.
 //
 // 1. Since we didn't log rejecting states, make a temp state (this will be
 // the old accept, and new reject).
 //
 // 2. All vertexes except start/accept get edges to NEW accept for any
 // non-existing case.  Weedely we don't have a nice way of representing
 // this so we just create a edge for each case and mark it "complemented."
 // 
 // 3. Delete temp vertex (old accept/new reject) and related edges.
 // The user's old accept is now the new accept.  This is imporant as
 // we want the virtual type of it to be intact.
 class DfaGraphComplement : GraphAlg {
 private:
    // MEMBERS
    DfaVertex* m_tempNewerReject;
    // METHODS
    int debug() { return 9; }
    DfaGraph* graphp() { return static_cast<DfaGraph*>(m_graphp); }
    void add_complement_edges() {
 	// Find accepting vertex
 	DfaVertex* acceptp = NULL;
 	for (V3GraphVertex* vertexp = m_graphp->verticesBeginp(); vertexp; vertexp=vertexp->verticesNextp()) {
 	    if (DfaVertex* vvertexp = dynamic_cast<DfaVertex*>(vertexp)) {
 		if (vvertexp->accepting()) {
 		    acceptp = vvertexp;
 		    break;
 		}
 	    }
 	}
 	if (!acceptp) v3fatalSrc("No accepting vertex in DFA\n");
 	// Remap edges
 	for (V3GraphVertex* vertexp = m_graphp->verticesBeginp(); vertexp; vertexp=vertexp->verticesNextp()) {
 	    if (DfaVertex* vvertexp = dynamic_cast<DfaVertex*>(vertexp)) {
 		//UINFO(9, "   on vertex "<<vvertexp->name()<<endl);
 		if (!vvertexp->accepting() && vvertexp != m_tempNewerReject) {
 		    for (V3GraphEdge* nextp, *edgep = vertexp->outBeginp(); edgep; edgep=nextp) {
 			nextp = edgep->outNextp();
 			if (!edgep->user()) { // Not processed
 			    // Old edges to accept now go to new reject
 			    DfaEdge* vedgep = static_cast<DfaEdge*>(edgep);
 			    DfaVertex* tovertexp = static_cast<DfaVertex*>(edgep->top());
 			    if (tovertexp->accepting()) {
 				new DfaEdge(graphp(), vvertexp, m_tempNewerReject, vedgep);
 				edgep->unlinkDelete(); edgep=NULL;
 			    }
 			    // NOT of all values goes to accept
 			    // We make a edge for each value to OR, IE
 			    // edge(complemented,a) edge(complemented,b) means !(a | b)
 			    if (!tovertexp->accepting()) {  // Note we must include edges moved above to reject
 				DfaEdge* newp = new DfaEdge (graphp(), vvertexp, acceptp, vedgep);
 				newp->complement(!newp->complement());
 				newp->user(1);
 			    }
 			}
 		    }
 		}
 	    }
 	}
    }
 public:
    DfaGraphComplement(V3Graph* dfagraphp, V3EdgeFuncP edgeFuncp)
 	: GraphAlg(dfagraphp, edgeFuncp) {
 	if (debug()>=6) m_graphp->dumpDotFilePrefixed("comp_in");
 	// Vertex::m_user begin: 1 indicates new edge, no more processing
 	m_graphp->userClearEdges();
 	m_tempNewerReject = new DfaVertex(graphp());
 	add_complement_edges();
 	if (debug()>=6) m_graphp->dumpDotFilePrefixed("comp_preswap");
 	m_tempNewerReject->unlinkDelete(graphp()); m_tempNewerReject=NULL;
 	if (debug()>=6) m_graphp->dumpDotFilePrefixed("comp_out");
    }
    ~DfaGraphComplement() {}
 };
 void DfaGraph::dfaComplement() {
    DfaGraphComplement (this, &V3GraphEdge::followAlwaysTrue);
 }
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -43,7 +43,9 @@ class DfaEdge;
 /// or epsilon, represented as a empty list of inputs.
 ///
 /// We're only looking for matches, so the only accepting states are
-/// at the end of the transformations.
+/// at the end of the transformations.  (If we want the complement, we
 /// call complement and the algorithm makes a REJECT state, then flips
 /// accept and reject for you.)
 ///	
 /// Common transforms:
 ///
@@ -51,8 +53,8 @@ class DfaEdge;
 ///
 ///	"L":	...->[ON_L]-->DfaVtx-->[epsilon]-->DfaVtx(ACCEPT)
 ///
-///	"LR":	...->[ON_L]-->DfaVtx-->[epsilon]-->DfaVtx()
+///	"LR":	...->[ON_L]-->DfaVtx-->[epsilon]-->DfaVtx(ACCEPT)
-///		   ->[ON_R]-->DfaVtx-->[epsilon]-->DfaVtx(ACCEPT)
+///		   ->[ON_R]-->DfaVtx-->[epsilon]-/
 ///
 ///	"L|R":	...->DfaVtx-->[epsilon]-->DfaVtx-->[ON_L]-->DfaVtx()->[epsilon]-->DfaVtx(ACCEPT)
 ///			   \->[epsilon]-->DfaVtx-->[ON_R]-->DfaVtx()->[epsilon]-/
@@ -76,6 +78,9 @@ public:
    /// Simplify a DFA automata
    void dfaReduce();
    /// Complement result (must already be dfa)
    void dfaComplement();
 };
 //=============================================================================
@@ -113,20 +118,33 @@ typedef AstNUser* DfaInput;
 class DfaEdge : public V3GraphEdge {
    DfaInput	m_input;
    bool	m_complement;	// Invert value when doing compare
 public:
    static DfaInput EPSILON() { return NULL; }
    static DfaInput NA() { return AstNUser::fromInt(1); }	// as in not-applicable
    // CONSTRUCTORS
    DfaEdge(DfaGraph* graphp, DfaVertex* fromp, DfaVertex* top, DfaInput input)
 	: V3GraphEdge(graphp, fromp, top, 1)
-	, m_input(input) {}
+	, m_input(input), m_complement(false) {}
    DfaEdge(DfaGraph* graphp, DfaVertex* fromp, DfaVertex* top, const DfaEdge* copyfrom)
 	: V3GraphEdge(graphp, fromp, top, copyfrom->weight())
 	, m_input(copyfrom->input()), m_complement(copyfrom->complement()) {}
    virtual ~DfaEdge() {}
    // METHODS
-    virtual string dotColor() const { return na()?"yellow":epsilon()?"green":"black"; }
+    virtual string dotColor() const {
-    virtual string dotLabel() const { return na()?"":epsilon()?"e":cvtToStr((void*)(input())); }
+	return (na() ? "yellow"
 		: epsilon() ? "green"
 		: "black"); }
    virtual string dotLabel() const {
 	return (na() ? ""
 		: epsilon() ? "e"
 		: complement() ? ("not "+cvtToStr((void*)(input())))
 		: cvtToStr((void*)(input()))); }
    virtual string dotStyle() const { return (na()||cutable())?"dashed":""; }
    bool epsilon() const { return input()==EPSILON(); }
    bool na() const { return input()==NA(); }
    bool complement() const { return m_complement; }
    void complement(bool value) { m_complement=value; }
    DfaInput	input() const { return m_input; }
 };
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -309,6 +309,12 @@ public:
 	gp->nfaToDfa();
 	dump();
 	gp->dfaReduce();
 	dump();
 	gp->dfaComplement();
 	dump();
 	gp->dfaReduce();
 	dump();
    }
 };
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2005-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2005-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
@@ -8,7 +8,7 @@
 //
 //*************************************************************************
 //
-// Copyright 2003-2007 by Wilson Snyder.  This program is free software; you can
+// Copyright 2003-2008 by Wilson Snyder.  This program is free software; you can
 // redistribute it and/or modify it under the terms of either the GNU
 // General Public License or the Perl Artistic License.
 //
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Wilson Snyder	7c3c2af90b	Version bump git-svn-id: file://localhost/svn/verilator/trunk/verilator@1006 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-23 13:58:27 +00:00
Wilson Snyder	6dca9b4ba4	Add graph dfa complementing; not used yet. git-svn-id: file://localhost/svn/verilator/trunk/verilator@1005 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-23 13:56:06 +00:00
Wilson Snyder	ede37bb9d8	Allow assigns to create implicit wires git-svn-id: file://localhost/svn/verilator/trunk/verilator@1004 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-20 01:40:22 +00:00
Wilson Snyder	4a1729eaab	Allow __ in cell names by quoting them in C. git-svn-id: file://localhost/svn/verilator/trunk/verilator@1003 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-20 01:16:33 +00:00
Wilson Snyder	b1565f5b89	Add --error-limit option git-svn-id: file://localhost/svn/verilator/trunk/verilator@1002 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-20 00:14:26 +00:00
Wilson Snyder	4fb8dcfd4e	Convert re-defining macro error to warning. git-svn-id: file://localhost/svn/verilator/trunk/verilator@1001 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-19 15:05:08 +00:00
Wilson Snyder	16d1f2b835	Allow multiple .v files on command line. [Stefan Thiede] git-svn-id: file://localhost/svn/verilator/trunk/verilator@1000 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-19 14:22:05 +00:00
Wilson Snyder	73594e5aa5	Fix definitions in main file.v, referenced in library. [Stefan Thiede] git-svn-id: file://localhost/svn/verilator/trunk/verilator@999 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-19 00:44:54 +00:00
Wilson Snyder	c0a365bd34	With --enable-defenv, support for hard-coding VERILATOR_ROOT etc in the executables git-svn-id: file://localhost/svn/verilator/trunk/verilator@998 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-18 20:26:37 +00:00
Wilson Snyder	45940ff820	Move most env vars from wrapper to verilator_bin, and wrap in accessor functions. The functionallity should be mostly the same as before, except allow verilator_bin to be in the search-path and VERILATOR_ROOT not set. git-svn-id: file://localhost/svn/verilator/trunk/verilator@997 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-18 15:21:13 +00:00
Wilson Snyder	d545ae242c	Fix assignments to inputs inside functions/tasks. [Patricio Kaplan] git-svn-id: file://localhost/svn/verilator/trunk/verilator@996 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-18 12:41:59 +00:00
Wilson Snyder	e862aaf2e1	Fix genvar to be signed, so "< 0" works properly. [Niranjan Prabhu] git-svn-id: file://localhost/svn/verilator/trunk/verilator@995 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-03-17 20:58:43 +00:00
Wilson Snyder	30c3540086	Fix compile error in some oses git-svn-id: file://localhost/svn/verilator/trunk/verilator@992 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-02-25 13:55:06 +00:00
Wilson Snyder	663a084ca4	Version bump git-svn-id: file://localhost/svn/verilator/trunk/verilator@989 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-02-20 16:55:43 +00:00
Wilson Snyder	b4d9ccd9af	Fix assignments of {a,b,c} = {c,b,a} git-svn-id: file://localhost/svn/verilator/trunk/verilator@988 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-02-20 16:54:41 +00:00
Wilson Snyder	98fff6a4ce	Fix parsing of always @(*) git-svn-id: file://localhost/svn/verilator/trunk/verilator@987 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-02-14 02:08:10 +00:00
Wilson Snyder	4977a5e1d9	Fix parse error on output reg signed git-svn-id: file://localhost/svn/verilator/trunk/verilator@986 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-02-08 18:38:47 +00:00
Wilson Snyder	e4297486ef	Avoid creating obj_dir with --lint-only git-svn-id: file://localhost/svn/verilator/trunk/verilator@985 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-31 14:49:27 +00:00
Wilson Snyder	ad591767c9	Make obj_dir only when needed, and use OS calls rather than system to clean up git-svn-id: file://localhost/svn/verilator/trunk/verilator@984 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-31 13:50:06 +00:00
Wilson Snyder	8bc1e75d9f	Fix version bump information git-svn-id: file://localhost/svn/verilator/trunk/verilator@981 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-18 21:45:16 +00:00
Wilson Snyder	a1c7adcffc	Add class declarations when tracing git-svn-id: file://localhost/svn/verilator/trunk/verilator@980 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-15 18:36:47 +00:00
Wilson Snyder	8867169957	Version bump git-svn-id: file://localhost/svn/verilator/trunk/verilator@979 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-15 15:03:59 +00:00
Wilson Snyder	79eac1e6b0	Fixed sign error when extracting from signed memory git-svn-id: file://localhost/svn/verilator/trunk/verilator@978 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-15 15:00:10 +00:00
Wilson Snyder	87533b13e1	Fix begin_keywords 1800-2005 error introduced in last commit. git-svn-id: file://localhost/svn/verilator/trunk/verilator@977 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-15 14:58:52 +00:00
Wilson Snyder	a2ffe86a36	Copyright update git-svn-id: file://localhost/svn/verilator/trunk/verilator@976 77ca24e4-aefa-0310-84f0-b9a241c72d87	2008-01-15 14:29:08 +00:00
Wilson Snyder	22bde7d461	Fixed tracing of SystemC w/o SystemPerl git-svn-id: file://localhost/svn/verilator/trunk/verilator@975 77ca24e4-aefa-0310-84f0-b9a241c72d87	2007-12-13 13:54:04 +00:00