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Support logic and set operations on binsof (#8306)

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This commit is contained in:
Marco Bartoli
2026-09-13 12:59:10 -04:00
committed by GitHub
parent 298922d887
commit 47ead4e89d
26 changed files with 2455 additions and 312 deletions
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src/V3Width.cpp
+10 -3
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@@ -2080,13 +2080,13 @@ class WidthVisitor final : public VNVisitor {
if (nodep->iffp()) iterateCheckBool(nodep, "iff condition", nodep->iffp(), BOTH);
userIterateAndNext(nodep->optionsp(), nullptr);
}
void visit(AstCoverBin* nodep) override {
// Bin range/value entries are self-determined constant expressions (IEEE 1800-2023
void widthCovergroupRanges(AstNode* rangesp) {
// Bin range/value entries are self-determined expressions (IEEE 1800-2023
// 19.5). Width each plain single-value entry self-determined so a referenced
// parameter acquires a dtype, then constify so the reference folds to the AstConst
// value that V3Covergroup requires. AstInsideRange entries fold their own bounds in
// visit(AstInsideRange).
for (AstNode *nextp, *itemp = nodep->rangesp(); itemp; itemp = nextp) {
for (AstNode *nextp, *itemp = rangesp; itemp; itemp = nextp) {
nextp = itemp->nextp();
if (VN_IS(itemp, InsideRange)) {
userIterate(itemp, nullptr);
@@ -2095,6 +2095,13 @@ class WidthVisitor final : public VNVisitor {
V3Const::constifyEdit(itemp); // itemp may change
}
}
}
void visit(AstCoverBinsof* nodep) override {
userIterateAndNext(nodep->pointp(), nullptr);
widthCovergroupRanges(nodep->rangesp());
}
void visit(AstCoverBin* nodep) override {
widthCovergroupRanges(nodep->rangesp());
userIterateAndNext(nodep->iffp(), nullptr);
userIterateAndNext(nodep->arraySizep(), nullptr);
userIterateAndNext(nodep->transp(), nullptr);