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Move V3Unknown to after variable names have been begin'ed; in prep for future change

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This commit is contained in:
Wilson Snyder 2009-10-06 21:46:24 -04:00
parent 3eb155cf2a
commit 9aaa6d5df1
3 changed files with 8 additions and 9 deletions
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2
src/V3EmitV.cpp
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@ -109,7 +109,7 @@ class EmitVBaseVisitor : public EmitCBaseVisitor {
puts(";\n");
}
virtual void visit(AstAssignAlias* nodep, AstNUser*) {
putbs("assign ");
putbs("alias ");
nodep->lhsp()->iterateAndNext(*this);
putbs(" = ");
nodep->rhsp()->iterateAndNext(*this);

2
src/V3Inst.cpp
View File

@ -87,7 +87,7 @@ private:
UINFO(4," PIN "<<nodep<<endl);
if (debug()>=9) nodep->dumpTree(cout," Pin_oldb: ");
if (nodep->modVarp()->isOutOnly() && nodep->exprp()->castConst())
nodep->v3error("Output pin is assigned to a constant, electrical short");
nodep->v3error("Output port is connected to a constant pin, electrical short");
// Use user1p on the PIN to indicate we created an assign for this pin
if (!nodep->user1()) {
nodep->user1(1);

13
src/Verilator.cpp
View File

@ -196,16 +196,16 @@ void process () {
V3Tristate::tristateAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("tristate.tree"));
// Move assignments from X into MODULE temps.
// (Before flattening, so each new X variable is shared between all scopes of that module.)
V3Unknown::unknownAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("unknown.tree"));
// Task inlining & pushing BEGINs names to variables/cells
// Begin processing must be after Param, before module inlining
V3Begin::debeginAll(v3Global.rootp()); // Flatten cell names, before inliner
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("begin.tree"));
// Move assignments from X into MODULE temps.
// (Before flattening, so each new X variable is shared between all scopes of that module.)
V3Unknown::unknownAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("unknown.tree"));
// Module inlining
// Cannot remove dead variables after this, as alias information for final
// V3Scope's V3LinkDot is in the AstVar.
@ -273,13 +273,12 @@ void process () {
// Push constants across variables and remove redundant assignments
V3Const::constifyAll(v3Global.rootp());
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
if (v3Global.opt.oLife()) {
V3Life::lifeAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("life.tree"));
}
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Make large low-fanin logic blocks into lookup tables
// This should probably be done much later, once we have common logic elimination.
if (v3Global.opt.oTable()) {