c58df87c27
Fix MacOs lexer compile error ( #7314 ) ( #7315 )
2026-03-24 11:30:15 -07:00
aff85cef19
Support more than one dot in defparam ( #7262 )
...
Signed-off-by: Artur Bieniek <abieniek@antmicro.com>
2026-03-24 09:20:46 -04:00
0b2bf991a6
Support boolean and/or in sequence expressions ( #7285 )
2026-03-24 08:56:14 -04:00
6873dc2f63
Support array map() method ( #7307 ) ( #7316 )
2026-03-24 02:38:50 -07:00
9a01a4054a
Improve error message when variable used as data type ( #7318 )
...
Signed-off-by: Ryszard Rozak <rrozak@antmicro.com>
2026-03-24 01:45:09 -07:00
3b328d2bb6
Support disable task by name ( #6853 ) ( #7136 )
2026-03-23 19:56:31 -07:00
716b404256
Optimize away empty ctor_var_reset.
...
Fixes #7154 .
2026-03-23 18:10:34 -04:00
b9c8560d12
Internals: Simplify V3DfgCache
2026-03-22 16:01:22 +00:00
921607fd35
Support property-local variables and sequence match items ( #7286 )
2026-03-22 06:21:57 -07:00
157fa9e4c5
Optimize duplicate vertices in DfgPeephole ( #7305 )
2026-03-21 22:45:02 +00:00
947cbaf330
Deprecate `--structs-packed` ( #7222 ).
2026-03-21 10:59:27 -04:00
05f640459e
Fix interface data type consistency ( #6965 ) ( #7302 )
2026-03-21 10:34:36 -04:00
4dae9ed4e9
Optimize reuse of existing associative terms in DfgPeephole
...
Enable V3DfgCache to look up vertices without creating one. Reuse
existing terms in associative expression trees if they already exist
somewhere in the graph.
2026-03-21 11:09:32 +00:00
92172e32c4
Internals: Add separate statistics for scoped Dfg stages
2026-03-21 10:49:39 +00:00
13cf9ba075
Internals: Type check vertices made in DfgPeephole
2026-03-21 10:15:18 +00:00
fa30e0c9b5
Internals: Make Dfg type checking available on single vertex
...
No functional change
2026-03-21 10:13:49 +00:00
416b30d884
Internals: Add utility to perform bisection search for debugging ( #7294 )
2026-03-21 10:13:27 +00:00
9ea7abd1c7
Support `##0` cycle delays ( #4263 ) ( #7298 )
2026-03-20 18:29:20 -04:00
c3fc0d9f0f
Fix coroutine trace setters ( #7078 repair) ( #7296 )
2026-03-20 09:23:32 -07:00
331cac2054
Internals: Four-state pre-pull cleanup ( #7281 )
2026-03-20 12:11:22 -04:00
b71abb0032
Fix `local::` false error in randomize() with on parameterized class ( #6680 ) ( #7293 )`
2026-03-20 10:25:46 -04:00
a8bccab8e6
Support named sequence declarations and instances in assertions ( #7283 )
2026-03-20 10:24:46 -04:00
25c3bc814e
Support ## delay on implication RHS in SVA properties ( #7284 )
2026-03-20 09:53:49 -04:00
998ec5b1d7
Fix streaming with descending unpacked arrays and unpacked-to-queue ( #7287 )
2026-03-20 09:51:35 -04:00
9180eebdba
Internals: MSVC cleanups
2026-03-19 22:48:12 -04:00
94f8181cff
Fix null assignment to virtual interfaces ( #5974 ) ( #5990 ). [Maxim Fonarev]
...
Fixes #5974 .
Co-authored-by: Maksim Fonarev <fonarickm@yandex.ru>
2026-03-19 20:29:02 -04:00
a0a684109f
Support modport export/import task prototypes and out-of-block definitions ( #7277 )
2026-03-18 19:20:34 -04:00
b8ca9292a4
Fix StreamR LHS assertion when source is narrower than destination ( #7276 ) ( #7282 )
2026-03-18 15:15:27 -04:00
907e775aa6
Internals: Add `--fourstate` flag and FUTURE warning ( #7279 )
2026-03-18 13:45:36 -04:00
a2154e9119
Fix interface derived types passed as parameters to generate loop module instantiation ( #7273 )
2026-03-18 09:26:55 -04:00
3bb0ea63ad
Fix queue slice LHS assignment being silently discarded ( #7270 )
2026-03-17 15:10:49 -04:00
8925762077
Fix rand_mode(0) on sub-object members not preventing solver write-back ( #7272 )
2026-03-17 15:09:14 -04:00
316fb02c60
Support assignment patterns as comparison operands ( #7269 )
...
* Support assignment patterns as EQ/NEQ comparison operands
* Apply 'make format'
* update the .out file
* add both-sides case
---------
Co-authored-by: github action <action@example.com>
2026-03-17 19:36:54 +01:00
ef5281ab73
Fix false illegally-wrapped-around error for signed enums whose auto-incremented values cross zero. ( #7268 )
2026-03-17 19:36:24 +01:00
d57324e5fb
Support dynamic array .size in inline randomize() with constraints ( #7258 ) ( #7266 )
2026-03-16 18:48:36 -04:00
be0f4a507e
Fix shift width mismatch in constraint solver SMT emission ( #5420 ) ( #7265 )
2026-03-16 18:48:09 -04:00
bf792f1809
Fix array reduction in constraints crashing with class inheritance ( #7226 ) ( #7263 )
2026-03-16 16:36:48 -04:00
651f223387
Fix false recursive definition error ( #6769 ) ( #7118 )
2026-03-16 07:31:35 -04:00
602ee384de
Support $sformat with runtime format string ( #7212 ). ( #7257 )
...
Fixes #7212 .
2026-03-14 22:43:56 -04:00
bb5a9dc247
Support jemalloc as the default allocator on Linux ( #7250 )
...
Add jemalloc as an alternative malloc implementation for the Verilator
binary. When both tcmalloc and jemalloc are available, jemalloc is
preferred due to its better performance on RTLMeter.
The new --enable-jemalloc flag (default=check) mirrors the existing
--enable-tcmalloc behavior: auto-detected at configure time, supports
both static and dynamic linking, and is disabled when --enable-dev-asan
is active.
2026-03-13 17:08:15 -04:00
7cd49a8028
Support dist and solve...before inside foreach constraints ( #7245 ) ( #7253 )
2026-03-13 11:05:18 -04:00
c0d0180918
Fix `final` asserts and $stop ( #7249 )
2026-03-12 13:09:54 -04:00
c74eee5123
Fix rand variable used as array index in constraint evaluated as constant ( #7238 ) ( #7247 )
2026-03-12 10:12:53 -04:00
08c6d5bde5
Improve some display error handling ( #7212 prep)
2026-03-12 07:49:21 -04:00
f2fdc57366
Fix --hierarchical dropping arguments in -f/-F files ( #7240 ).
2026-03-12 07:25:32 -04:00
d87035d187
Commentary: Fix non-grammar
2026-03-11 19:53:23 -04:00
be429ce956
Fix tracing of typedefed 1D packed arrays with --trace-structs ( #7237 )
...
Used to incorrectly unroll 1D packed arrays of 'bit' or 'logic' into
elements when using --trace-structs if the array element type was given
via a typedef. Keep them as a single signal instead.
2026-03-11 12:46:13 +00:00
f351882cf0
Fix enum range constraints missing for rand variables in sub-objects ( #7230 ) ( #7235 )
2026-03-11 07:21:40 -04:00
cd8818ca23
Fix randomize size+element queue constraints ( #5582 ) ( #7225 )
2026-03-11 06:51:32 -04:00
4e6eafd994
Allow constant expressions without parentheses in PATHPULSE$ declaration ( #7199 )
2026-03-11 06:01:33 -04:00
5bf1d060c9
Fix internal error when derived class calls this.randomize() with inherited rand members ( #7229 ) ( #7234 )
2026-03-10 19:03:18 -04:00
3ba9077726
Fix soft cross-object constraint priority inversion ( #7228 ) ( #7233 )
...
Emit nested constraint setup tasks in depth-first order (deepest first)
so outer-scope soft constraints get higher priority per IEEE 18.5.13.
2026-03-10 19:02:15 -04:00
a7a5c9f548
Improve not-found message to show cwd
2026-03-10 08:55:51 -04:00
2046879beb
V3Randomize: Fix dist operator inside ConstraintIf blocks ( #7221 ) ( #7224 )
...
The lowerDistConstraints() function was not recursing into ConstraintIf
nodes, causing dist operators inside if-else blocks to remain unlowered
and trigger an internal error when ConstraintExprVisitor encountered them.
Fix by adding recursive handling of ConstraintIf nodes in lowerDistConstraints:
- Check for AstConstraintIf nodes before AstConstraintExpr
- Recursively process thensp() and elsesp() branches
- This ensures all dist operators are lowered regardless of nesting
Test case: t_randomize_dist_conditional.v demonstrates conditional dist:
constraint c {
if (randd) {
x dist { 8'd0 := 1, 8'd255 := 3 }; // 25% / 75%
} else {
x dist { 8'd0 := 3, 8'd255 := 1 }; // 75% / 25%
}
}
Fixes #7221
2026-03-10 07:06:00 +00:00
1b2b8afdc1
Fix wrong $bits() for parameterized interface struct typedefs ( #7218 ) ( #7219 )
2026-03-09 22:32:13 -04:00
9c5f4e2483
Internals: Extend VerilatedVar to hold force control signal pointers ( #7217 )
2026-03-08 15:53:32 -04:00
3097df46fa
Change `--converge-limit` default to 10000 ( #7209 ).
...
Fixes #7209 .
2026-03-07 09:05:37 -05:00
68d6dd7eee
Internals: Add UASSERT to avoid error fault on sv-tests regress-sv_sv_import_hier_fail1_iv
2026-03-07 09:03:42 -05:00
4d369e4262
Fix --debug-inputs for .vlt files
2026-03-07 08:01:27 -05:00
bef5c1f475
Fix static function not found from parameterized extends class ( #7204 ) ( #7208 )
2026-03-06 16:23:02 -05:00
efa53189ea
Support constraint `with` item.index array reduction ( #7198 )
2026-03-06 05:14:55 -05:00
cedec65c39
Change array tracing to always dump left index to right index ( #7205 )
...
Also add array bounds and struct/union member counts to trace pushPrefix
(not used by vcd/fst/saif). Together these improve consistency in some
waveform formats.
2026-03-06 09:32:08 +00:00
b89d29cab9
* Support procedural concurrent assertion simple cases ( #6944 ).
...
Fixes #6944 .
2026-03-05 20:03:48 -05:00
fb00eb3bc6
Apply 'make format'
2026-03-05 21:06:48 +00:00
45a5e72509
Fix recursive default assignment for subarrays ( #4589 ) ( #7202 )
2026-03-05 16:05:54 -05:00
4f4d48e9d7
Fix library/hier_block tracing when top name is empty ( #7200 )
2026-03-05 08:44:41 -05:00
258629634c
Support force assignments to array elements of real type ( #7048 )
2026-03-05 08:37:20 -05:00
e5ad9b3a4b
Support Z non-blocking assignment ( #7192 ) ( #496 ) ( #7197 )
2026-03-04 22:39:05 -05:00
572f50126b
Improve function call argument error to show target function (rewording)
2026-03-04 20:22:25 -05:00
c93f5256d4
Fix string cast on array call
2026-03-04 20:12:10 -05:00
1bf2ea7643
Improve function call argument error to show target function
2026-03-04 19:01:01 -05:00
7acd73fede
Fix super constructor calls with local variables, by using init functions ( #6214 ) ( #6933 )
2026-03-04 17:55:55 -05:00
c34cd6ddf1
Fix missing scope when calling package function ( #7128 repair) ( #7188 ) ( #7190 )
2026-03-04 15:37:55 -05:00
9a5c1d27c8
Support array reduction methods with 'with' clause in constraints ( #6455 ) ( #6999 )
2026-03-04 12:01:35 -05:00
44701201ac
Support inout inside SV interface ( #3466 ) ( #7134 )
2026-03-04 09:08:07 -05:00
7cf539cf05
Add --func-recursion-depth CLI option ( #7175 ) ( #7179 )
2026-03-04 06:46:07 -05:00
3bc73cc768
Support constraint imperfect distributions ( #6811 ) ( #7168 )
2026-03-03 11:23:14 -05:00
5f3d475736
Internals: Minor coverage improvement as followup to ( #7128 followup) ( #7184 )
2026-03-03 11:13:32 -05:00
5821d0697c
Fix interface localparam dependencies and arbitrary nesting ( #6936 ) ( #7128 )
2026-03-03 06:55:59 -05:00
ed84f3adb2
Support constraints on fixed-size array of class object members ( #7170 ) ( #7183 )
2026-03-03 06:27:31 -05:00
d406efdcf9
Fix recursive constant function in $unit scope ( #7174 ) ( #7178 )
2026-03-02 15:15:34 -05:00
251d1835cf
Internals: Comment to explain stray emit semicolon
2026-03-02 11:26:48 -05:00
8a413b3ec7
Fix std::randomize() in static function with static class members ( #7167 ) ( #7169 )
2026-03-02 05:59:00 -05:00
108d209bd7
Support soft constraint solving with last-wins priority ( #7124 ) ( #7166 )
2026-03-01 15:16:55 -05:00
192445097a
Internals: Fix non-determinism in V3Delayed, V3SplitVar, V3Task ( #7120 partial) ( #7165 )
2026-03-01 11:59:29 -05:00
6c48b3282e
Enable V3LiftExpr with code coverage ( #7164 )
2026-03-01 15:04:49 +00:00
3249fd8cc0
Internals: Mark Premit temporaries funcLocal, noReset ( #7160 )
2026-03-01 14:56:21 +00:00
97838325cd
Fix scheduling non-determinism ( #7120 partial) ( #7162 )
2026-03-01 07:44:59 -05:00
77ce9cec1e
Optimize conditional merging across some impure statements ( #7159 )
...
- Allow reordering pure statements with DPI import calls iff no public
variables (including those read via a DPI export) are involved. This
ensures the DPI import can't observe the reordering
- Allow reordering of pure statements with AstDisplay and AstStop. This
requires an assumption that AstDisplay and AstStop will not read or
write model state other than via a VarRef explicitly present int the
Ast.
Overall this allows eliminating a lot of conditionals around assertions,
which were previously not possible.
2026-03-01 05:47:05 -05:00
26eac21432
Internals: Use existing astgen type info for ASTGEN_MAX_NODE_SIZE ( #7161 )
2026-03-01 05:33:30 -05:00
e9dd6eaaf0
Internals: Fix VL_ALLOC_RANDOM_CHECKS with multiple threads
2026-02-28 20:24:09 -05:00
e23c7a510e
Internals: Add VL_ALLOC_RANDOM_CHECKS
2026-02-28 18:21:51 -05:00
098fe96643
Add V3LiftExpr pass to lower impure expressions and calls ( #7141 )
...
Introduce new pass that converts impure expressions, or those with
function and method calls into simple assignment statements. Please see
the blurb at the top of the file why this is useful and how it works.
In particular currently it enables more Dfg optimization as functions
will be inlined without AstExprStmt.
Ideally we should enforce this lowering is applied to every procedural
statement (there are still a handful of exceptions). With that, long
term with this pass + #6820 , there should be no need to ever use an
AstExprStmt past this new lowering pass, which should enable more easier
optimization down the line.
Also ideally this should be run earlier. Currently it's after V3Tristate
as that calls pinReconnectSimple so we don't have to touch Cell ports.
Currently disabled when code coverage is enabled due to #7119 .
2026-02-28 22:20:09 +00:00
2ceea267e5
Fix eliminating assignments to DPI-read vaiables ( #7158 )
2026-02-28 10:09:01 -05:00
face700f29
Improve assignment-compatibility type check ( #2843 ) ( #5666 ) ( #7052 )
2026-02-28 09:55:06 -05:00
139bdc1ae3
Optimize function call return value temporaries ( #7152 )
2026-02-28 09:54:39 -05:00
1af7fa92c2
Optimize size of trace declaration object code ( #7150 )
2026-02-28 09:54:08 -05:00
6f892d58ac
Fix forcing unpacked variables ( #7149 )
2026-02-28 09:53:41 -05:00
df6b808c49
Fix parameters inside std::randomize `with` clause ( #7140 )
2026-02-28 09:53:05 -05:00
8705bc56c8
Fix errant integer promotion ( #7012 )
2026-02-28 09:52:35 -05:00
02c1dbc5dc
Fix lambda coroutines ( #6106 ) ( #7135 )
2026-02-28 09:52:02 -05:00
1716423d07
Internals: Fix invalid use of user1 in V3Const ( #7157 )
2026-02-28 09:51:07 -05:00
1e6c1ab106
Add VPI callback support to --main ( #7145 ).
...
Fixes #7145 .
2026-02-28 09:42:28 -05:00
af65a85a1e
Fix function locals in display %p
2026-02-26 18:12:12 -05:00
22290a74c2
Fix class initial-automatic insertion order ( #7086 repair)
2026-02-25 19:01:19 -05:00
d658517715
Change type definition error to show type chain with source context ( #7151 )
2026-02-25 14:47:13 -05:00
10eafb9b3f
Add coverage type information to verilator_coverage annotation output ( #7131 ) ( #7133 ).
...
Fixes #7131 .
2026-02-24 20:59:42 -05:00
826b03c21f
Fix segfault in EmitCSyms::getSymCtorStmts ( #7142 ) ( #7143 )
2026-02-24 14:08:01 -05:00
7607f0e7fa
Support proper automatic/static initialization, and remove STATICVAR warning ( #6405 ). ( #7086 )
2026-02-24 14:04:43 -05:00
6a5d3b0b72
Add --max-replication option ( #7139 )
2026-02-23 16:51:37 -05:00
f7c5454d91
Internals: Strengthen AstNodeExpr operand types ( #7138 )
2026-02-23 20:55:08 +00:00
8c7f08dfc3
Fix inlining of CFuncs with reloop locals ( #7132 )
...
The recent V3InlineCFuncs only checks AstCFunc::varsp for locals, but
V3Reloop used to insert them into AstCFunc::stmtsp resulting in multiple
locals with the same name being inlined into the caller if the stars
align. Fix Reloop. Such things will also go away with #6280 .
2026-02-23 17:35:15 +00:00
7c923bb330
Internals: Fix hasher message
2026-02-23 03:34:37 -05:00
1e5a6901c8
Internals: Make AstWith explicit in AstCMethodHard ( #7129 )
...
This makes it consistent with other usage in NodeFTaskRef. Also AstWith
is no longer a NodeExpr.
2026-02-22 15:38:28 -05:00
da51021b0a
Internals: Simplify AstForeach header handling ( #7126 )
...
Rename AstSelLoopVars to AstForeachHeader, and make it a non-NodeExpr.
Tweak parser to always create an AstForeachHeader, so no need to fix it
up later.
2026-02-22 18:57:12 +00:00
1717df0261
Support solve..before constraints ( #5647 ) ( #7123 )
2026-02-22 11:33:18 -05:00
350966de6b
Internals: Remove all AstClassOrPackageRef in V3Width ( #7125 )
2026-02-22 11:26:44 -05:00
579acced99
Internals: Make AstArg into an AstNode, not Expr ( #7122 )
2026-02-22 14:40:51 +00:00
443678d8c4
Support array reduction methods without 'with' clause in constraints for dynamic arrays ( #7104 ) ( #7108 )
2026-02-22 09:23:02 -05:00
79e1f33173
Fix new <obj> shallow copy not preserving polymorphic runtime type ( #7105 ) ( #7109 )
2026-02-22 09:22:37 -05:00
78ee787bb1
Internals: Clean up AstArg usage in AstNodeFTaskRef ( #7121 )
...
- Strengthen type of AstNodeFTaskRef::pinsp to be List[AstArg]
- Rename 'pinsp' to 'argsp'
- Add default constructor arguments
2026-02-22 10:38:37 +00:00
e023113b79
Internals: Carry 'with' clause as op4 on AstNodeFTaskRef ( #7114 )
...
op4 is now available to carry the 'with' clause explicitly instead of
being part of the argument lit. Will strengthen 'pinsp' to be
List[AstArg] next.
2026-02-22 09:15:28 +00:00
03ed6a5bd3
Apply 'make format'
2026-02-21 05:44:17 +00:00
a4ad255438
Fix extending class by a typedef ( #6679 ) ( #6855 )
2026-02-21 11:13:22 +05:30
f25a85ea57
Fix associative array size() constraint generating invalid resize() call ( #7103 ) ( #7112 )
2026-02-20 10:54:02 -05:00
e0edb49f7a
Support 'this' keyword inside inline randomize() with {} constraint blocks ( #7102 ) ( #7113 )
2026-02-20 10:53:34 -05:00
52a6de29cb
Internals: Remove unused AstNodeFTaskRef::namep() ( #7110 )
2026-02-20 10:52:54 -05:00
2d86f1373e
Support vpiBitVar ( #7107 ).
...
Fixes #7107 .
2026-02-20 05:39:38 -05:00
ace9a34c10
Internal: Fix clang override warning ( #7106 repair).
2026-02-19 21:34:17 -05:00
0d2fcfd49d
Fix circular class reference %p-printing causing infinite recursion ( #7106 ).
...
Fixes #7106 .
2026-02-19 20:15:37 -05:00
4a4f8c6698
Optimize continuous assignments with function on RHS in Dfg ( #7096 )
2026-02-19 18:21:55 +00:00
69564078da
Fix determinism of AwaitBeforeTrigVisitor ( #6932 repair) ( #7101 )
2026-02-19 18:21:40 +00:00
ff3028aca3
Support `disable iff` with sequences ( #7090 )
2026-02-19 11:33:30 +01:00
0e26b049ea
Support function calls with random arguments in constraints ( #7061 ) ( #7083 )
2026-02-19 15:37:55 +05:30
f843780aad
Add UNSUPPORTED on $sampled in sensitivity list ( #7093 )
2026-02-19 08:36:21 +01:00
702d6ede09
Fix time to not advance after `$finish` ( #7095 ).
...
Fixes #7095 .
2026-02-18 19:36:36 -05:00
2cd8dc6cf7
Optimize functions inlined from packages in Dfg ( #7091 )
2026-02-18 19:11:33 +00:00
cf1de0b9a8
Fix interface internal type reference ( #6920 ) ( #6966 )
2026-02-18 09:38:42 +05:30
da28c67e60
Fix #0 delays to control fork scheduling ( #6730 repair) ( #6891 )
...
Signed-off-by: Artur Bieniek <abieniek@internships.antmicro.com>
2026-02-17 21:51:11 -05:00
7176bdcff6
Optimize always blocks using local temporary variables in Dfg ( #7085 )
...
Enable synthesis of blocks that use a variable only within certain
branches, if that variable is not externally observable.
2026-02-17 20:00:55 +00:00
5d0352ab46
Fix conditional expressions in constraints ( #7087 )
2026-02-17 11:40:15 -05:00
9049c93009
Internals: Call common V3NUmber function to zero data type. Cleanup chandle clearling.
2026-02-17 06:18:57 -05:00
a1a9147267
Optimize straight line code in Dfg always ( #7084 )
2026-02-17 11:17:52 +00:00
5834f22944
Optimize logic and variable removal early in Dfg ( #7081 )
...
After conversion of Ast to Dfg, but before synthesizing AstAlways into
primitives, run a pass to remove variables that are not observable, and
all logic that only computes such variables. This can get rid of a lot
of content early so we don't build redundant Dfgs, and also enables
synthesizing always blocks that use temporaries only in some branches,
which will come in a follow up.
2026-02-17 08:28:06 +00:00
7182e8d937
Internals: Track what variables get user initial assignment.
2026-02-17 02:05:05 -05:00
6c5dee5043
Change automatic variables to not be traced.
2026-02-17 01:38:39 -05:00
ed3aa43657
Fix enum variables in constraint solver producing invalid enum values ( #7058 ) ( #7065 )
2026-02-16 22:44:38 -05:00
4357aee09a
Fix randomize() on null object handle crashing instead of returning 0 ( #7059 ) ( #7066 )
2026-02-16 22:43:57 -05:00
5173f7e42f
Fix inside operator crash with impure expression and unsized range literals ( #7063 ) ( #7067 )
2026-02-17 08:33:31 +05:30
994ef82e76
Support unique constraint on explicit array element subsets ( #7057 ) ( #7064 )
2026-02-16 19:46:46 -05:00
Tracy Narine
Artur Bieniek
Yilou Wang
Wei-Lun Chiu
Ryszard Rozak
Nick Brereton
Wilson Snyder
Geza Lore
em2machine
Igor Zaworski
Alex Zhou
Yangyu Chen
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