Commit Graph

538 Commits

Author SHA1 Message Date
Stephen Williams 14c0cfd3b1 bufif and nmos/pmos are strength aware
The outputs to bufif and nmos/pmos devices are always strength-aware,
so should have their outputs connected to a net8 device.

Signed-off-by: Stephen Williams <steve@icarus.com>
2007-09-22 21:53:55 -07:00
Cary R 7c852aa075 Add cmos/rcmos primitives.
This patch adds the cmos and rcmos primitives.
2007-09-06 18:46:22 -07:00
Stephen Williams 88dea0c318 Remove restriction on size of constants
Constant strings are now formed in dynamically allocated memory
instead of a fixed array.

Signed-off-by: Stephen Williams <steve@icarus.com>
2007-06-30 20:27:08 -07:00
Stephen Williams d7c3a32b06 Fix code generation for real expressions
Real value are vector width of 1, fix real literal to reflect this.
fix leaking real registers in code generation for function arguments.
Load of signal should handle conversion from real to vector. Function
arguments, type vector passed a real value, are an example where this
comes up.

Signed-off-by: Stephen Williams <steve@icarus.com>
2007-06-29 21:10:37 -07:00
Stephen Williams ed698deeaa Add support for collapsed/aliased arrays.
Arrays of nets that have all their words collapsed together can become
a collapsed array as a whole. Add support for this case in the vvp code
generator and runtime.
2007-06-24 18:17:37 -07:00
steve ae82eccdc4 handle constant inf values. 2007-06-12 02:36:58 +00:00
steve 0a38499941 Properly handle signed conversion to real 2007-06-07 03:20:15 +00:00
steve 67b1eee7ce Better configuration messages (Alan Feldstein) 2007-05-16 23:59:12 +00:00
steve 9931e4c013 Finish up part select of array words. 2007-04-14 04:43:01 +00:00
steve ff7625cd9c nexus vectors of VT_BOOL objects. (ravi@bluespec) 2007-04-12 04:40:37 +00:00
steve fbc731d19e Allow nexus aliases to array words. 2007-04-10 03:40:04 +00:00
steve 5047a3add3 variable arrays generated without writing a record for each word. 2007-04-10 01:26:15 +00:00
steve d883979fd8 Seperate arrayness from word count 2007-04-02 01:12:34 +00:00
steve ea74940be4 Fix that save expression lookaside always clears cached variable values. 2007-04-01 05:26:17 +00:00
steve 611d2c81b3 Spelling fixes from Larry 2007-03-22 16:08:14 +00:00
steve 96443f1338 Clear lookaside even if source bit is a constant. 2007-03-20 04:26:56 +00:00
steve fc9a90c9e0 Add support for edge sensitive spec paths. 2007-03-02 06:13:22 +00:00
steve 243cf94165 Add support for conditional specify delay paths. 2007-03-01 06:19:38 +00:00
steve 80a2b05733 Do not assign to words constant-indexed out of range. 2007-02-27 05:13:34 +00:00
steve 6804732b9e Spelling fixes (larry doolittle) 2007-02-26 19:49:48 +00:00
steve d6969b719a Prevent lost of width while calculation address. 2007-02-26 01:51:40 +00:00
steve 1f54f128c1 Handle unary minus of real valued expressions. 2007-02-20 05:58:36 +00:00
steve 45307f6144 Handle type of ternary expressions properly. 2007-02-14 05:59:46 +00:00
steve 92c36f152d Treat BOOL and LOGIC the same according to VPI functions. 2007-02-14 05:59:24 +00:00
steve 521f66f040 Get padding right when loading array word into big vector. 2007-02-12 04:37:58 +00:00
steve 3fd80b09f0 Administrative/Makefile fixes, mostly for windows. (Cary R.) 2007-02-06 05:07:31 +00:00
steve 2b3acfb344 Expression lookaside cannot hold complex expressions 2007-02-06 04:43:53 +00:00
steve 7d42c50253 Lookaside is invalid when working a new scope. 2007-02-02 04:48:49 +00:00
steve 05efaa6427 Treat VPI argument array with constant index specially. 2007-01-30 05:28:23 +00:00
steve f07257067a Handle real constants in vector expressions. 2007-01-19 05:24:53 +00:00
steve c0954349e4 Fix bad lookaside references in vvp thread code generator. 2007-01-19 02:30:19 +00:00
steve e89b9fc25e Do not match array words in expression lookaside. 2007-01-18 00:59:48 +00:00
steve f5a7ee0736 Remove dead code related to memories. 2007-01-17 04:39:18 +00:00
steve 91d84e7dc7 Major rework of array handling. Memories are replaced with the
more general concept of arrays. The NetMemory and NetEMemory
 classes are removed from the ivl core program, and the IVL_LPM_RAM
 lpm type is removed from the ivl_target API.
2007-01-16 05:44:14 +00:00
steve d6f98599f8 Do not intertangle modpaths due to references to input nets. 2006-11-23 22:42:48 +00:00
steve 64b4e2fa01 Get the .event input from the signal instead of the signal input. 2006-11-22 06:09:08 +00:00
steve 841378426f Updates for Cygwin portability (pr1585922) 2006-10-30 22:45:36 +00:00
steve 0e102a94b2 Fix rendering of signed numbers in real expressions. 2006-10-10 23:54:28 +00:00
steve ec23bb0367 Remove dead code. 2006-10-05 01:37:34 +00:00
steve 26e2e85ffa Handle non-constant delays on indexed non-blocking assignments. 2006-10-05 01:23:53 +00:00
steve 549f226c6e Modpath is input to net, draw .modpath to account. 2006-10-01 23:51:15 +00:00
steve 0edb5a7547 Basic support for specify timing. 2006-09-23 04:57:19 +00:00
steve 50800fd3a1 Add support for real valued modulus. 2006-08-09 05:19:08 +00:00
steve fc0695beb6 Handle 64bit delay constants. 2006-08-08 05:11:37 +00:00
steve 06d6ac4b33 Fix/implement signed right shift. 2006-07-30 02:51:35 +00:00
steve 80f30be9d0 Add support for system functions in continuous assignments. 2006-06-18 04:15:50 +00:00
steve 46d86ad276 Get tail counts right in nested concatenations. 2006-04-22 04:27:36 +00:00
steve 707af782b3 Fix part selects in l-values. 2006-04-16 00:15:43 +00:00
steve f001d0001a Add support for generate loops w/ wires and gates. 2006-04-10 00:37:42 +00:00
steve f4a44df2cc Support more parameter syntax. 2006-03-18 22:53:38 +00:00
steve 8ff70410ab Handle multiple part/bi devices connected together. 2006-03-15 05:52:20 +00:00
steve 6f46d12e07 Add support for logic parameters. 2006-03-08 05:29:42 +00:00
steve d434dd7296 Allow part selects of memory words in l-values. 2006-02-02 02:43:57 +00:00
steve 58f182a159 Node delays can be more general expressions in structural contexts. 2006-01-02 05:33:19 +00:00
steve e9bf00dff6 Pad part selects 2005-12-22 15:42:22 +00:00
steve 5cf64dfa70 Include stdint.h if it is present. 2005-12-07 03:43:30 +00:00
steve 4f7e7a2296 Some systems donot have stding.h? 2005-12-05 21:20:55 +00:00
steve bab70ccbed Handle indexed l-value to force. 2005-11-26 17:23:17 +00:00
steve 0e044d6684 More precise about r-value width of constants. 2005-11-26 00:35:42 +00:00
steve 35951510c5 Put vec8 and vec4 nets into seperate net classes. 2005-11-25 17:55:26 +00:00
steve 9c8c541f5d MUX nodes get inputs from nets, not from net inputs,
Detect and draw alias nodes to reduce net size and
 handle force confusion.
2005-10-12 17:26:17 +00:00
steve 3cdf655c79 force l-values do not support bit/part select. 2005-10-12 17:26:01 +00:00
steve c75f0a930e Remove the $ from signal labels. They do not help. 2005-10-11 18:54:10 +00:00
steve bb3f3c1f46 Remove obsolete vvp_memory_label function. 2005-10-11 18:30:50 +00:00
steve fb22bcc96b Remove dead dram_input_from_net and lpm_inputs_a_b 2005-10-10 04:16:13 +00:00
steve bf8b085159 Clean up compiler warnings. 2005-09-20 18:34:01 +00:00
steve be73be8c98 Spelling patches from Larry. 2005-09-19 21:45:35 +00:00
steve d22d88923d Fix warnings about uninitialized variables. 2005-09-19 20:18:20 +00:00
steve 2729d6cd2e Include vvp_config.h instead of config.h 2005-09-19 20:17:59 +00:00
steve c4d8ab8509 Improve loading of part selects when easy. 2005-09-17 04:01:32 +00:00
steve 672aa61ae7 More robust use of precalculated expressions, and
Separate lookaside for written variables that can
 also be reused.
2005-09-17 01:01:00 +00:00
steve 19a1ae8d4f Preserve precalculated expressions when possible. 2005-09-15 02:50:13 +00:00
steve 14d79a655e Better reuse of IVL_EX_SELECT expressions. 2005-09-15 02:49:47 +00:00
steve 9fd16575d9 Support bool expressions and compares handle them optimally. 2005-09-14 02:53:13 +00:00
steve c39976fbf1 Generate code to handle real valued muxes. 2005-09-01 04:11:37 +00:00
steve dac11c2468 Handle synthesis of fully packed case statements. 2005-08-27 04:32:08 +00:00
steve 4a8be3db9c Implement bi-directional part selects. 2005-08-06 17:58:16 +00:00
steve 5bfdd52391 Handle functions with real values. 2005-07-13 04:52:31 +00:00
steve b9799cf6ec Remove NetVariable and ivl_variable_t structures. 2005-07-11 16:56:50 +00:00
steve 75ad90534b Generalize signals to carry types. 2005-07-07 16:22:49 +00:00
steve 66a579dd67 Handle signed display of unsigned signals. 2005-06-18 15:55:21 +00:00
steve 4cc421b3b7 Make functors know their own width. 2005-06-17 03:46:52 +00:00
steve 290c604c62 Fix bit offsets when processing lval concatenation. 2005-06-15 01:33:33 +00:00
steve cd14ee77ae Add the assign_v0_d instruction. 2005-06-14 01:44:09 +00:00
steve 2f7ec71a78 Support %force/link 2005-06-02 16:03:47 +00:00
steve 015d280c6a Handle assignments to part-select l-values. 2005-05-24 02:31:18 +00:00
steve 739a1839ed Do sign extension of structuran nets. 2005-05-24 01:44:27 +00:00
steve 82be4ab189 Detect bit selects that need special handling. 2005-05-17 20:55:42 +00:00
steve 5a2dd3393f Skip assign if index is invalid. 2005-05-09 00:38:12 +00:00
steve 7dd0d255a6 Add support for variable part select. 2005-05-08 23:40:14 +00:00
steve 48aa0f0075 Better handle assignment to bit/part select. 2005-05-07 03:16:31 +00:00
steve df271c9fa3 Link signals that are source of procedural continuous assign. 2005-05-01 22:04:12 +00:00
steve 365cfedd55 Update DFF support to new data flow. 2005-04-24 23:44:01 +00:00
steve 65c7ec00e7 Rework NetRamDq and IVL_LPM_RAM nodes. 2005-04-06 05:29:08 +00:00
steve d62661257a Generate the right coes for unconnected UDP port. 2005-04-04 05:29:53 +00:00
steve d8a456bd67 The indexed set can write a vector, not just a bit. 2005-03-22 05:18:34 +00:00
steve ca488dff4e Handle LPM shifts. 2005-03-19 06:23:49 +00:00
steve 23925b636e vvp.conf files are generated. 2005-03-18 02:57:23 +00:00
steve 53da6e9a33 Add support for LPM_UFUNC user defined functions. 2005-03-18 02:56:03 +00:00
steve f556452403 Handle function/task port vectors. 2005-03-12 23:45:33 +00:00
steve 1c5b4881d7 Handle case inequality in netlists. 2005-03-09 05:52:03 +00:00
steve 53af2949b4 Generate code for new form of memory ports. 2005-03-09 04:53:40 +00:00
steve 8e135a1020 Non blocking assign to memory words. 2005-03-06 17:07:48 +00:00
steve 0fb1fd36ee Handle memory words in l-value concatenations. 2005-03-05 05:47:42 +00:00
steve 85286cc086 Rearrange how memories are supported as vvp_vector4 arrays. 2005-03-03 04:33:10 +00:00
steve 2fcaac4060 Support constant part select writes to l-values, and large part select reads from signals. 2005-02-15 07:12:55 +00:00
steve 4051f7d986 Handle bitmux lvalues for constant r-values. 2005-02-14 05:00:11 +00:00
steve aaf35ab1a9 Handle bit selects in l-values to assignments. 2005-02-14 01:51:39 +00:00
steve 1d7235b4f1 Replace supply nets with wires connected to pullup/down supply devices. 2005-02-13 01:15:07 +00:00
steve d4eb4d38bc Implement a-b muxes as vector devices 2005-02-12 22:54:29 +00:00
steve eca4f4fa97 Draw C4 and C8 constants to account for strength. 2005-02-12 06:25:15 +00:00
steve 1979fca239 Get the C4 width right for undriven nexa. 2005-02-10 04:55:45 +00:00
steve ee5bb5fcaf Add the NetRepeat node, and code generator support. 2005-02-08 00:12:36 +00:00
steve e74127e1fc Support .concat with arbitrary input counts. 2005-02-04 05:13:57 +00:00
steve 97f83ffbe3 laborate reduction gates into LPM_RED_ nodes. 2005-02-03 04:56:20 +00:00
steve 7250337941 Integrate fixes from 0.8 branch. 2005-01-28 19:39:03 +00:00
steve 6be34bba4d Special handling of constant shift 0. 2005-01-28 05:37:48 +00:00
steve dfb7c7ba6f Remove the NetEBitSel and combine all bit/part select
behavior into the NetESelect node and IVL_EX_SELECT
 ivl_target expression type.
2005-01-24 05:28:30 +00:00
steve edeb9d8eca Part selects are done in the compiler, not here. 2005-01-24 05:08:02 +00:00
steve a4710f375e LPM_CMP_NE/EQ are vectored devices. 2005-01-22 16:22:13 +00:00
steve e28636776a Change case compare from logic to an LPM node. 2005-01-22 01:06:55 +00:00
steve bf6a5d0f50 Implement LPM_COMPARE nodes as two-input vector functors. 2005-01-16 04:20:32 +00:00
steve fcaaec0464 More robust input code generation for LPM_ADD. 2005-01-12 05:31:50 +00:00
steve 8c18c9152d More complete drawing of concat inputs. 2005-01-12 03:16:35 +00:00
steve 399dfe5c44 Handle concatenations with up to 16 inputs. 2005-01-10 01:42:59 +00:00
steve 9e94afe399 Use PartSelect/PV and VP to handle part selects through ports. 2005-01-09 20:16:00 +00:00
steve 83423c978b Generate code for the .concat functors, from NetConcat objects.
Generate C<> constants of correct widths for functor arguments.
2004-12-29 23:52:09 +00:00
steve e11ac0b1d8 Use %set/v to trigger events. 2004-12-18 18:53:26 +00:00
steve 59bac26f4f Implement release functionality. 2004-12-17 04:46:40 +00:00
steve ffedf32476 cassign and deassign handle concatenated l-values. 2004-12-11 05:43:30 +00:00
steve 65e9b6be12 Rework of internals to carry vectors through nexus instead
of single bits. Make the ivl, tgt-vvp and vvp initial changes
 down this path.
2004-12-11 02:31:25 +00:00
steve e4ae832153 Clean up spurious trailing white space. 2004-10-04 01:10:51 +00:00
steve e827f8f8c1 Cleanup and factoring of autoconf. 2004-09-27 22:34:10 +00:00
steve 965d928430 More carefull about eliding bufzs that carry strength. 2004-09-25 21:04:25 +00:00
steve 5e627c9adc Compile cleanup of C code. 2004-09-10 23:13:05 +00:00
steve a8ee786036 Relaxed width constraint on pad_expression output. 2004-09-10 00:14:31 +00:00
steve 491df9c327 Watch out for real compared to constant. Handle as real. 2004-06-30 03:07:32 +00:00
steve 3dbc07f34d Implement signed divide and signed right shift in nets. 2004-06-30 02:16:26 +00:00
steve 9ba1177a4d Generate signed modulus if appropriate. 2004-06-19 16:17:37 +00:00
steve b043445c80 Generate .cmp/eq nodes instead of sea of gates. 2004-06-16 23:33:42 +00:00
steve 896f1b0de1 Generate code for nb assign to reals. 2004-05-19 03:25:42 +00:00
steve 081a6a4088 Cleanup configure detection of win32. 2004-02-15 03:17:36 +00:00
steve 8188c4c690 Makefile cleanup. 2004-02-10 19:25:00 +00:00
steve a436bfc711 Include from current directory. 2004-01-28 23:54:10 +00:00
steve c2ab27541f Make sure I get ivl_target.h from this source. 2004-01-26 23:31:57 +00:00
steve d98720af4d Isolate configure from containing config.h 2004-01-20 21:00:47 +00:00
steve 8aca824c0f Further unify the configure.in scripts. 2004-01-15 20:52:32 +00:00
steve 59ac435c71 Fix various unsigned compare warnings. 2003-12-19 01:27:10 +00:00
steve ae3198b505 Install target gets vvp.conf that is built, not from srcdir. 2003-12-12 19:58:40 +00:00
steve df968687e4 Generate VVP_EXECUTABLE flag in conf files. 2003-12-07 19:28:43 +00:00