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Fix sign extension in large localparams, bug910.

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This commit is contained in:
Wilson Snyder
2015-05-14 21:46:07 -04:00
parent 1d6bcda014
commit 7312de6bc2
8 changed files with 192 additions and 21 deletions
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src/V3Broken.cpp
+8 -11
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@@ -204,6 +204,12 @@ public:
class BrokenCheckVisitor : public AstNVisitor {
private:
void checkWidthMin(AstNode* nodep) {
if (nodep->width() != nodep->widthMin()
&& v3Global.widthMinUsage()==VWidthMinUsage::MATCHES_WIDTH) {
nodep->v3fatalSrc("Width != WidthMin");
}
}
virtual void visit(AstNode* nodep, AstNUser*) {
BrokenTable::setUnder(nodep,true);
if (const char* whyp=nodep->broken()) {
@@ -220,18 +226,9 @@ private:
if (nodep->dtypep()) nodep->v3fatalSrc("DType on node without hasDType(): "<<nodep->prettyTypeName());
}
if (nodep->getChildDTypep()) nodep->v3fatalSrc("childDTypep() non-null on node after should have removed");
if (AstNodeDType* dnodep = nodep->castNodeDType()) {
if (dnodep->width() != dnodep->widthMin()
&& v3Global.assertWidthsMatch()) {
dnodep->v3fatalSrc("Width != WidthMin");
}
}
}
if (v3Global.assertWidthsMatch()) {
if (nodep->width() != nodep->widthMin()) {
nodep->v3fatalSrc("Width != WidthMin");
}
if (AstNodeDType* dnodep = nodep->castNodeDType()) checkWidthMin(dnodep);
}
checkWidthMin(nodep);
nodep->iterateChildrenConst(*this);
BrokenTable::setUnder(nodep,false);
}