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Always type '$clog2' as signed 32

This commit is contained in:
Geza Lore 2021-11-12 16:46:58 +00:00
parent 60eab3eb8c
commit 89924bda51
2 changed files with 4 additions and 5 deletions
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4
src/V3AstNodes.h
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@ -6139,7 +6139,9 @@ public:
class AstCLog2 final : public AstNodeUniop {
public:
AstCLog2(FileLine* fl, AstNode* lhsp)
: ASTGEN_SUPER_CLog2(fl, lhsp) {}
: ASTGEN_SUPER_CLog2(fl, lhsp) {
dtypeSetSigned32();
}
ASTNODE_NODE_FUNCS(CLog2)
virtual void numberOperate(V3Number& out, const V3Number& lhs) override { out.opCLog2(lhs); }
virtual string emitVerilog() override { return "%f$clog2(%l)"; }

5
src/V3Width.cpp
View File

@ -1248,10 +1248,7 @@ private:
}
}
virtual void visit(AstCLog2* nodep) override {
if (m_vup->prelim()) {
iterateCheckSizedSelf(nodep, "LHS", nodep->lhsp(), SELF, BOTH);
nodep->dtypeSetSigned32();
}
if (m_vup->prelim()) { iterateCheckSizedSelf(nodep, "LHS", nodep->lhsp(), SELF, BOTH); }
}
virtual void visit(AstPow* nodep) override {
// Pow is special, output sign only depends on LHS sign, but