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4912 Commits

Author SHA1 Message Date
Matthew Ballance a18fdb1c4b Restore t_covergroup_with_sample_args_too_many_bad test 
This test was added upstream in a364704e3 and should not have been
deleted. The driver normalizes version strings (?v=X.Y -> ?v=latest)
and 'Exiting due to...' messages, so the upstream .out file is
compatible with our branch's error output as-is.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-05 21:10:48 +00:00
Matthew Ballance 4eb676cb49 Convert 'if' tests to assertion macros 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:10:48 +00:00
github action 7475dea9f3 Apply 'make format' 2026-04-05 21:10:48 +00:00
Matthew Ballance 06d34cc4cf Cleaned up coverpoint-bin warning around 'excessive size' 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:10:48 +00:00
Matthew Ballance bcf6e6ac72 Update debug_emitv to include covergroup constructs ; update emit of covergroup debug content 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:10:33 +00:00
Matthew Ballance 464be2c85b Test clean-ups, resolve an internal error masked by the checking strategy, and add 'automatic' to remove warnings 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:10:33 +00:00
Matthew Ballance affe776463 t_covergroup_with_sample_args_too_many_bad: remove redundant test 
'sample' argument count checking is generic function/task behavior
already covered by t_func_bad and similar tests. Removing this test
eliminates fragility from upstream error message/caret changes.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-05 21:10:33 +00:00
github action 83eb65a6c3 Apply 'make format' 2026-04-05 21:10:33 +00:00
Matthew Ballance 80502fd9ee Correct indent on coverage tests ; add required test drivers ; back out CMakeLists pch change and adjust test that required it to no longer need it 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:10:33 +00:00
Matthew Ballance ff9781fc73 Update golden file for covergroup fileline fix 
The covergroup keyword fileline fix (using $<fl>1 instead of $<fl>2)
shifts error column from the name position to the 'covergroup' keyword.
Update the golden output for t_covergroup_in_class_duplicate_bad to match.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-05 21:10:33 +00:00
Matthew Ballance 07f959d31d Refactoring node locations and enums ; Delete coverpoints after V3Covergroup so they don't accidentally hit the generators 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:10:32 +00:00
Matthew Ballance 6c443b7662 Rename funccov tests to covergroup 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:09:39 +00:00
Matthew Ballance c749ff09b4 Refactoring before renaming tests 
Signed-off-by: Matthew Ballance <matt.ballance@gmail.com>
 2026-04-05 21:09:39 +00:00
github action 43bfd85dc0 Apply 'make format' 2026-04-05 21:08:58 +00:00
Matthew Ballance 20970c7dde Add function coverage (funccov) and covergroup support 
Implement functional coverage collection via covergroups, coverpoints,
and cross coverage bins. Introduces V3CoverageFunctional pass and
verilated_funccov.h runtime support.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-05 21:08:09 +00:00
Wilson Snyder 9f4546fcb9
Fix constraint 'with' in parameter classes (#7375) 2026-04-04 21:03:44 -04:00
Wilson Snyder 33493cf5b4 Add `+verilator+solver+file` (#7242). 
Fixes #7242.
 2026-04-04 17:26:43 -04:00
Wilson Snyder 2796294396 Fix string `inside` queue (#7373). 
Fixes #7373.
 2026-04-04 14:43:06 -04:00
Wilson Snyder 94f3e16a6c Commentary: Changes update 2026-04-04 14:42:11 -04:00
Yilou Wang adb48046c2
Fix parameter default comparison when value contains type cast (#6281) (#7369) 
Fixes #6281.
 2026-04-04 11:02:20 -04:00
Wilson Snyder de8d3c9356 Commentary: Changes update 2026-04-03 20:16:23 -04:00
Yilou Wang efd60df2be
Fix virtual interface select from sub-interface instance (#7203) (#7370) 
Fixes #7203.
 2026-04-03 19:04:10 -04:00
em2machine e7a644a3fc
Fix functions in generate block resulting in "Broken link in node" (#7236) (#7367) 
Fixes #7236
 2026-04-03 11:19:17 -04:00
Yilou Wang 56ed47ee7c
Fix false ASSIGNIN on interface input port connections (#7365) 
* add oneline fix

* Apply 'make format'

* merge test and update 2 space indents

---------

Co-authored-by: github action <action@example.com>
 2026-04-02 20:44:48 +02:00
Yilou Wang 1e5c93cc51
Fix virtual interface function calls binding to wrong instance (#7363) 2026-04-02 10:53:01 -04:00
em2machine 32672deb6f
Fix resolving default/nondefault type parameters (#7171) (#7346) 
Fixes #7171
 2026-04-02 10:51:11 -04:00
Geza Lore 2e151c3b74
Do not unroll simple array assignments in V3Slice (#7359) 
See also #5644
 2026-04-01 22:35:29 +01:00
Yilou Wang 894f6c4c58
Fix virtual interface member trigger convergence (#5116) (#7323) 2026-04-01 21:42:42 +01:00
Geza Lore b4a0ca8ba6
Optimize Ast read references in Dfg directly (#7354) 
Introduce a new DfgAstRd vertex, which holds an AstNodeExpr that is a
reference to a variable. This enables tracking all read references in
Dfg, which both enables more optimization, and allows inlining of
expressions in place of the reference more intelligently (e.g, when the
expression is only used once, and is not in a loop). This can get rid of
20-30% of temporary variables introduced in Dfg in some designs. Note
V3Gate later got rid of a lot of those, this is a step towards making
V3Gate redundant. The more intelligent expression inlining is worth ~10%
runtime speed on some designs.
 2026-04-01 10:52:56 +01:00
Wilson Snyder dbd4823323 Fix error on illegal nand/nor binary operators (#7353). 
Fixes #7353.
 2026-03-31 18:35:27 -04:00
Wilson Snyder 62ffe43a82 Fix port assignment to large arrays (#6904). 
Fixes #6904.
 2026-03-30 19:09:23 -04:00
Wilson Snyder 6aa1690745 Tests: Add t_inst_port_reverse (#5877) 2026-03-30 19:09:22 -04:00
Wilson Snyder 2458819794 Commentary: Changes update 2026-03-30 19:09:13 -04:00
Yilou Wang 04f410622b
Fix wait() hang when interface with combinational logic using process calls and VIF function (#7342) 2026-03-30 15:34:32 +01:00
Yilou Wang bf453361f6
Support consecutive repetition [*N] in SVA properties (#7311) 2026-03-30 07:01:33 -04:00
Artur Bieniek 55958efbe1
Fix false sensitivity of signals to unrelated interface members 2026-03-30 09:42:51 +01:00
Wilson Snyder be6780e44b Tests: Add t_interface_twoports (#5676) 2026-03-29 21:02:12 -04:00
Wilson Snyder d55790c91b Tests: Add t_interface_update (#2765) 2026-03-29 20:52:29 -04:00
Wilson Snyder 86eb6f060f Tests: Update t_disable_inside (#6591) 2026-03-29 20:34:19 -04:00
Wilson Snyder 600eb7ec86 Internals: Favor std::swap. No functional change. 2026-03-29 20:33:06 -04:00
Wilson Snyder 5036af3d37 Commentary: Refer to latest standard where can 2026-03-29 18:06:12 -04:00
Wei-Lun Chiu 092d3d4de0
Support map() method for associative and wildcard arrays (#7344) 2026-03-29 04:00:52 -04:00
Wilson Snyder e0b4d5ad44 Fix lost `$stop` on implied assertion `$error` failures. 2026-03-28 10:57:59 -04:00
Wilson Snyder 8d109e85d0 Fix missing quotes on VPI error signal names 2026-03-27 21:44:11 -04:00
Wilson Snyder 087dae2a5d Commentary: Changes update 2026-03-27 21:41:52 -04:00
Nick Brereton f66df9e70e
Fix `disable iff` imply-delay statement linking (#7337) 2026-03-27 14:31:03 -04:00
Yilou Wang ba9a7aaa66
Fix static initialization order for packages with class hierarchies (#7324) 2026-03-27 12:53:45 -04:00
Yilou Wang 55e5f01758
Support SVA goto repetition [->N] in concurrent assertions (#7310) 2026-03-27 10:31:15 -04:00
Geza Lore f12cdac8da Optimize muxes in DfgPeephole 2026-03-27 07:50:05 +00:00
Geza Lore 2759f2ab16 Optimize comparisons with identical operands in Dfg 2026-03-27 07:50:05 +00:00