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Fix bit reductions on multi-packed dimensions, bug227/patch0004.

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This commit is contained in:
Wilson Snyder
2010-04-22 09:40:53 -04:00
parent aca4ab015f
commit 00970be996
3 changed files with 31 additions and 3 deletions
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src/V3Slice.cpp
+18 -1
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@@ -134,7 +134,8 @@ class SliceCloneVisitor : public AstNVisitor {
nodep->unlinkFrBack()->deleteTree(); nodep = NULL;
}
virtual void visit(AstNodeUniop* nodep, AstNUser*) {
// Not all Uniop nodes should be cloned down to a single bit
void cloneUniop(AstNodeUniop* nodep) {
if (nodep->user2() < 2) return; // Don't need clones
m_selBits.clear();
UINFO(4, "Cloning "<<nodep->user2()<<" times: "<<nodep<<endl);
@@ -181,6 +182,22 @@ class SliceCloneVisitor : public AstNVisitor {
nodep->unlinkFrBack()->deleteTree(); nodep = NULL;
}
virtual void visit(AstRedOr* nodep, AstNUser*) {
cloneUniop(nodep);
}
virtual void visit(AstRedAnd* nodep, AstNUser*) {
cloneUniop(nodep);
}
virtual void visit(AstRedXor* nodep, AstNUser*) {
cloneUniop(nodep);
}
virtual void visit(AstRedXnor* nodep, AstNUser*) {
cloneUniop(nodep);
}
virtual void visit(AstNode* nodep, AstNUser*) {
// Default: Just iterate
nodep->iterateChildren(*this);