luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-10-07 18:42:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

Support cast operator with expression size, bug865.

Browse Source
This commit is contained in:
Wilson Snyder
2014-12-23 22:11:31 -05:00
parent 9f7c473376
commit 8b0af19351
5 changed files with 40 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3Width.cpp
+15
View File
@@ -945,6 +945,21 @@ private:
nodep->iterateChildren(*this);
nodep->dtypep(iterateEditDTypep(nodep, nodep->subDTypep()));
}
virtual void visit(AstCastParse* nodep, AstNUser* vup) {
// nodep->dtp could be data type, or a primary_constant
// Don't iterate lhsp, will deal with that once convert the type
V3Const::constifyParamsEdit(nodep->dtp()); // itemp may change
if (AstConst* constp = nodep->dtp()->castConst()) {
constp->unlinkFrBack();
AstNode* newp = new AstCastSize(nodep->fileline(), nodep->lhsp()->unlinkFrBack(), constp);
nodep->replaceWith(newp);
pushDeletep(nodep); nodep=NULL;
newp->accept(*this,vup);
} else {
nodep->v3error("Unsupported: Cast to "<<nodep->dtp()->prettyTypeName());
nodep->replaceWith(nodep->lhsp()->unlinkFrBack());
}
}
virtual void visit(AstCast* nodep, AstNUser* vup) {
if (nodep->childDTypep()) nodep->dtypep(moveChildDTypeEdit(nodep));
nodep->dtypep(iterateEditDTypep(nodep, nodep->dtypep()));