luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-09-04 08:33:38 +02:00
Code Issues Packages Projects Releases Wiki Activity

Internals: V3Number tracks node information, part of bug1305.

Browse Source 
Signed-off-by: Wilson Snyder <[email protected]>
This commit is contained in:
Todd Strader
2019-05-09 20:03:19 -04:00
committed by Wilson Snyder
parent 00efa05b50
commit eac3458647
27 changed files with 469 additions and 382 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3Table.cpp
+9 -9
View File
@@ -300,7 +300,7 @@ private:
AstVarScope* invscp = *it;
// LSB is first variable, so extract it that way
simvis.newNumber(invscp,
V3Number(invscp->fileline(), invscp->width(),
V3Number(invscp, invscp->width(),
VL_MASK_I(invscp->width()) & (inValue>>shift)));
shift += invscp->width();
// We're just using32 bit arithmetic, because there's no way the input table can be 2^32 bytes!
@@ -316,8 +316,8 @@ private:
}
// If a output changed, add it to table
int outnum = 0;
V3Number outputChgMask (nodep->fileline(), m_outVarps.size(), 0);
int outnum = 0;
V3Number outputChgMask (nodep, m_outVarps.size(), 0);
for (std::deque<AstVarScope*>::iterator it = m_outVarps.begin(); it!=m_outVarps.end(); ++it) {
AstVarScope* outvscp = *it;
V3Number* outnump = simvis.fetchOutNumberNull(outvscp);
@@ -327,9 +327,9 @@ private:
m_outNotSet[outnum] = true;
// Value in table is arbitrary, but we need something
setp = new AstConst(outvscp->fileline(),
V3Number(outvscp->fileline(), outvscp->width(), 0));
} else {
UINFO(8," Output "<<outvscp->name()<<" = "<<*outnump<<endl);
V3Number(outvscp, outvscp->width(), 0));
} else {
UINFO(8," Output "<<outvscp->name()<<" = "<<*outnump<<endl);
// m_tableVarps[inValue] = num;
// Mark changed bit, too
outputChgMask.setBit(outnum, 1);
@@ -392,9 +392,9 @@ private:
AstNode* outsetp = outasnp;
// Is the value set in only some branches of the table?
if (m_outNotSet[outnum]) {
V3Number outputChgMask (nodep->fileline(), m_outVarps.size(), 0);
outputChgMask.setBit(outnum,1);
if (m_outNotSet[outnum]) {
V3Number outputChgMask (nodep, m_outVarps.size(), 0);
outputChgMask.setBit(outnum, 1);
outsetp = new AstIf(nodep->fileline(),
new AstAnd(nodep->fileline(),
new AstArraySel(nodep->fileline(),