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9186 Commits

Author SHA1 Message Date
Nick Brereton 44ccdbf669 V3Dfg: suppress MULTIDRIVEN for intentional interface tristate lowering while retaining coverage multidrive warnings 2026-03-02 19:07:30 -05:00
github action fb8452c563 Apply 'make format' 2026-02-28 15:45:52 +00:00
Nick Brereton d2f8ac85ad V3Tristate: handle interface tristate signals accessed via VarXRef (#3466) 
Extend the tristate pass to treat side-band enable and output signals as first-class cross-module variables. Previously, these were assumed local to the driving module and only accessed via VarRef. Now they are created in the interface module alongside the original signal and accessed via VarXRef using the same hierarchical path, allowing the rest of Verilator's infrastructure to resolve them normally.

This enables support for interface tristate signals accessed through hierarchical references and modports, including === / !== comparisons, mixed local and external drivers, and deep hierarchy. Modports that expose a tristate signal are automatically extended to include the generated enable signal so that modport-qualified paths resolve correctly.
 2026-02-28 10:42:47 -05:00
Nick Brereton 6ba6447483 V3Tristate: handle AstVarXRef as AstVarRef (#3466) 2026-02-23 09:43:04 -05:00
Wilson Snyder 7c923bb330 Internals: Fix hasher message 2026-02-23 03:34:37 -05:00
Wilson Snyder 97fd6a5a13 Support vpiScalarVal 2026-02-22 20:04:06 -05:00
Geza Lore 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
Wilson Snyder f74a581d97 Tests: Enforce SPDX-FileCopyrightText 2026-02-22 15:23:19 -05:00
Geza Lore 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
Wilson Snyder e238a2ca5e Verilog format 2026-02-22 13:50:01 -05:00
Wilson Snyder 7f0be8a072 Commentary: Changes update 2026-02-22 13:47:51 -05:00
Wilson Snyder 38d5da7a24 Tests: Fix t_fork_join_none_capture for other simulators 2026-02-22 11:36:22 -05:00
Yilou Wang 1717df0261
Support solve..before constraints (#5647) (#7123) 2026-02-22 11:33:18 -05:00
Geza Lore 350966de6b
Internals: Remove all AstClassOrPackageRef in V3Width (#7125) 2026-02-22 11:26:44 -05:00
Geza Lore 579acced99
Internals: Make AstArg into an AstNode, not Expr (#7122) 2026-02-22 14:40:51 +00:00
Yilou Wang 443678d8c4
Support array reduction methods without 'with' clause in constraints for dynamic arrays (#7104) (#7108) 2026-02-22 09:23:02 -05:00
Yilou Wang 79e1f33173
Fix new <obj> shallow copy not preserving polymorphic runtime type (#7105) (#7109) 2026-02-22 09:22:37 -05:00
Geza Lore 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
Geza Lore 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
github action 03ed6a5bd3 Apply 'make format' 2026-02-21 05:44:17 +00:00
Alex Zhou a4ad255438
Fix extending class by a typedef (#6679) (#6855) 2026-02-21 11:13:22 +05:30
Wilson Snyder 0051d91555 Fix too-short bit pack returning wrong value (#7111). 
Fixes #7111.
 2026-02-20 22:25:02 -05:00
github action 927b6fd3c1 Apply 'make format' 2026-02-21 00:40:13 +00:00
Wilson Snyder 67cc65e6f3 Fix randomize of real (#7115). 
Fixes #7115.
 2026-02-20 19:39:20 -05:00
Wilson Snyder a250183c72 Commentary: Changes update 2026-02-20 19:26:18 -05:00
Wilson Snyder c970743b07 Tests: Renames. No test change. 2026-02-20 18:54:36 -05:00
Yilou Wang f25a85ea57
Fix associative array size() constraint generating invalid resize() call (#7103) (#7112) 2026-02-20 10:54:02 -05:00
Yilou Wang e0edb49f7a
Support 'this' keyword inside inline randomize() with {} constraint blocks (#7102) (#7113) 2026-02-20 10:53:34 -05:00
Geza Lore 52a6de29cb
Internals: Remove unused AstNodeFTaskRef::namep() (#7110) 2026-02-20 10:52:54 -05:00
Wilson Snyder 2d86f1373e Support vpiBitVar (#7107). 
Fixes #7107.
 2026-02-20 05:39:38 -05:00
Wilson Snyder ace9a34c10 Internal: Fix clang override warning (#7106 repair). 2026-02-19 21:34:17 -05:00
Wilson Snyder 0d2fcfd49d Fix circular class reference %p-printing causing infinite recursion (#7106). 
Fixes #7106.
 2026-02-19 20:15:37 -05:00
Geza Lore 4a4f8c6698
Optimize continuous assignments with function on RHS in Dfg (#7096) 2026-02-19 18:21:55 +00:00
Igor Zaworski 69564078da
Fix determinism of AwaitBeforeTrigVisitor (#6932 repair) (#7101) 2026-02-19 18:21:40 +00:00
Wilson Snyder d6f8425e16 Tests: Update t_uvm_dpi (#7097 test) 2026-02-19 07:11:36 -05:00
Wilson Snyder 2309d52fd6 Tests: Cleanup t_uvm_dpi. No test change. 2026-02-19 07:05:33 -05:00
Ryszard Rozak ff3028aca3
Support `disable iff` with sequences (#7090) 2026-02-19 11:33:30 +01:00
Yilou Wang 0e26b049ea
Support function calls with random arguments in constraints (#7061) (#7083) 2026-02-19 15:37:55 +05:30
Ryszard Rozak f843780aad
Add UNSUPPORTED on $sampled in sensitivity list (#7093) 2026-02-19 08:36:21 +01:00
Wilson Snyder 702d6ede09 Fix time to not advance after `$finish` (#7095). 
Fixes #7095.
 2026-02-18 19:36:36 -05:00
Wilson Snyder 3b7dfce6f5 Commentary: Changes update 2026-02-18 19:30:34 -05:00
Geza Lore 2cd8dc6cf7
Optimize functions inlined from packages in Dfg (#7091) 2026-02-18 19:11:33 +00:00
Todd Strader cf1de0b9a8
Fix interface internal type reference (#6920) (#6966) 2026-02-18 09:38:42 +05:30
Artur Bieniek 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
Geza Lore 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
Ryszard Rozak 5d0352ab46
Fix conditional expressions in constraints (#7087) 2026-02-17 11:40:15 -05:00
Wilson Snyder 81d1d79585 Tests: Cleanup t_cover_assert 2026-02-17 08:47:43 -05:00
Wilson Snyder 089672b200 Tests: Improve t_lint_unused_func_bad.v 2026-02-17 06:20:42 -05:00
Wilson Snyder 9049c93009 Internals: Call common V3NUmber function to zero data type. Cleanup chandle clearling. 2026-02-17 06:18:57 -05:00
Geza Lore a1a9147267
Optimize straight line code in Dfg always (#7084) 2026-02-17 11:17:52 +00:00