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Add NEVERMATCH warning when an SVA sequence can never match (#8176) (#8183)

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Signed-off-by: Artur Bieniek <[email protected]>
This commit is contained in:
Artur Bieniek
2026-08-22 08:31:23 +02:00
committed by GitHub
parent cda258cbed
commit 3dbfa7708f
6 changed files with 62 additions and 7 deletions
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src/V3Error.h
+3 -2
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@@ -137,6 +137,7 @@ public:
MULTIDRIVEN, // Driven from multiple blocks
MULTIDRIVENPROC, // Driven from multiple plain always blocks
MULTITOP, // Multiple top level modules
NEVERMATCH, // Sequence can never match
NEWERSTD, // Newer language standard required
NOEFFECT, // Statement has no effect
NOLATCH, // No latch detected in always_latch block
@@ -235,8 +236,8 @@ public:
"IEEEMAYDEPRECATE", "IFDEPTH", "IGNOREDRETURN", "IMPERFECTSCH", "IMPLICIT",
"IMPLICITSTATIC", "IMPORTSTAR", "IMPURE", "INCABSPATH", "INFINITELOOP", "INITIALDLY",
"INSECURE", "INSIDETRUE", "LATCH", "LITENDIAN", "MINTYPMAXDLY", "MISINDENT", "MODDUP",
"MODMISSING", "MULTIDRIVEN", "MULTIDRIVENPROC", "MULTITOP", "NEWERSTD", "NOEFFECT",
"NOLATCH", "NONSTD", "NORETURN", "NOTREDOP", "NULLPORT", "PARAMNODEFAULT",
"MODMISSING", "MULTIDRIVEN", "MULTIDRIVENPROC", "MULTITOP", "NEVERMATCH", "NEWERSTD",
"NOEFFECT", "NOLATCH", "NONSTD", "NORETURN", "NOTREDOP", "NULLPORT", "PARAMNODEFAULT",
"PINCONNECTEMPTY", "PINMISSING", "PINNOCONNECT", "PINNOTFOUND", "PKGNODECL",
"PREPROCZERO", "PROCASSINIT", "PROCASSWIRE", "PROFOUTOFDATE", "PROTECTED",
"PROTOTYPEMIS", "RANDC", "REALCVT", "REDEFMACRO", "RISEFALLDLY", "SELRANGE",