luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-10-06 01:54:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix part-select in constant function, bug916.

Browse Source
This commit is contained in:
Wilson Snyder
2015-05-09 14:01:54 -04:00
parent d5eb92a071
commit a59639413d
6 changed files with 115 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3Number.cpp
+18
View File
@@ -1569,6 +1569,24 @@ V3Number& V3Number::opSel (const V3Number& lhs, uint32_t msbval, uint32_t lsbval
return *this;
}
V3Number& V3Number::opSelInto (const V3Number& lhs, const V3Number& lsb, int width) {
return opSelInto(lhs, lsb.toSInt(), width);
}
V3Number& V3Number::opSelInto (const V3Number& lhs, int lsbval, int width) {
// this[lsbval+width-1 : lsbval] = lhs; Other bits of this are not affected
int ibit=0;
for(int bit=lsbval; bit<lsbval+width; bit++) {
if (ibit>=0 && ibit<(uint32_t)lhs.width()) {
setBit(bit,lhs.bitIs(ibit));
} else {
setBit(bit,'x');
}
ibit++;
}
return *this;
}
V3Number& V3Number::opCond (const V3Number& lhs, const V3Number& if1s, const V3Number& if0s) {
V3Number lhstrue (lhs.m_fileline); lhstrue.opRedOr(lhs);
if (lhstrue.bitIs0(0)) {