Mario1159/verilator
1
0
Fork 0
forked from github/verilator
Code Pull Requests Releases 1 Activity

DFG: fix REPLACE_EQ_OF_CONST_AND_CONST peephole pattern

Browse Source
This commit is contained in:
Geza Lore 2022-09-29 18:17:58 +01:00
parent cd2a5771b8
commit 17976d7401
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/V3DfgPeephole.cpp
View File

@ -610,9 +610,7 @@ class V3DfgPeephole final : public DfgVisitor {
if (DfgConst* const rhsConstp = rhsp->cast<DfgConst>()) {
APPLYING(REPLACE_EQ_OF_CONST_AND_CONST) {
DfgConst* const replacementp = makeZero(vtxp->fileline(), 1);
if (lhsConstp->constp()->sameTree(rhsConstp->constp())) {
replacementp->num().setLong(1);
}
replacementp->num().opEq(lhsConstp->num(), rhsConstp->num());
vtxp->replaceWith(replacementp);
return;
}