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Fix 's with array select followed by wide AND. [David Hewson]

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git-svn-id: file://localhost/svn/verilator/trunk/verilator@882 77ca24e4-aefa-0310-84f0-b9a241c72d87
This commit is contained in:
Wilson Snyder
2007-01-31 15:44:36 +00:00
parent ecb938f20e
commit 5dbae27f01
5 changed files with 14 additions and 7 deletions
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src/V3Premit.cpp
+8 -3
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@@ -71,14 +71,18 @@ private:
// ASSIGN(CONST*here*, VARREF(!sc))
// ARRAYSEL(*here*, ...) (No wides can be in any argument but first, so we don't check which arg is wide)
// ASSIGN(x, SEL*HERE*(ARRAYSEL()...) (m_assignLhs==true handles this.)
//UINFO(9, " Check: "<<nodep<<endl);
//UINFO(9, " Detail stmtp="<<(m_stmtp?"Y":"N")<<" U="<<(nodep->user()?"Y":"N")<<" IW "<<(nodep->isWide()?"Y":"N")<<endl);
if (m_stmtp
&& !nodep->user()) { // Not already done
if (nodep->isWide()) { // Else might be cell interconnect or something
if (m_assignLhs) {
} else if (nodep->backp()->castNodeAssign()
&& assignNoTemp(nodep->backp()->castNodeAssign())) {
} else if (nodep->firstAbovep()
&& nodep->firstAbovep()->castNodeAssign()
&& assignNoTemp(nodep->firstAbovep()->castNodeAssign())) {
// Not much point if it's just a direct assignment to a constant
} else if (nodep->backp()->castArraySel()) { // ArraySel's are pointer refs, ignore
} else if (nodep->firstAbovep()
&& nodep->firstAbovep()->castArraySel()) { // ArraySel's are pointer refs, ignore
} else {
UINFO(4,"Cre Temp: "<<nodep<<endl);
createDeepTemp(nodep);
@@ -140,6 +144,7 @@ private:
virtual void visit(AstCFunc* nodep, AstNUser*) {
m_funcp = nodep;
nodep->iterateChildren(*this);
m_funcp = NULL;
}
void startStatement(AstNode* nodep) {
m_assignLhs = false;