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Support $countbits (#2287)

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This commit is contained in:
Yossi Nivin
2020-05-10 14:27:22 -04:00
committed by GitHub
parent 070bcddf5a
commit f9a0cf0cff
22 changed files with 441 additions and 9 deletions
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src/V3Clean.cpp
+13
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@@ -160,6 +160,15 @@ private:
if (nodep->cleanThs()) ensureClean(nodep->thsp());
// no setClean.. must do it in each user routine.
}
void operandQuadop(AstNodeQuadop* nodep) {
iterateChildren(nodep);
computeCppWidth(nodep);
if (nodep->cleanLhs()) { ensureClean(nodep->lhsp()); }
if (nodep->cleanRhs()) { ensureClean(nodep->rhsp()); }
if (nodep->cleanThs()) { ensureClean(nodep->thsp()); }
if (nodep->cleanFhs()) { ensureClean(nodep->fhsp()); }
// no setClean.. must do it in each user routine.
}
// VISITORS
virtual void visit(AstNodeModule* nodep) VL_OVERRIDE {
@@ -192,6 +201,10 @@ private:
operandBiop(nodep);
setClean(nodep, isClean(nodep->lhsp()) && isClean(nodep->rhsp()));
}
virtual void visit(AstNodeQuadop* nodep) VL_OVERRIDE {
operandQuadop(nodep);
setClean(nodep, nodep->cleanOut());
}
virtual void visit(AstNodeMath* nodep) VL_OVERRIDE {
iterateChildren(nodep);
computeCppWidth(nodep);