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Remove implicit width 1 var creation. No functional change

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This commit is contained in:
Wilson Snyder 2009-07-16 14:06:53 -04:00
parent 4dde1ede0e
commit 556d90a1b4
3 changed files with 3 additions and 10 deletions
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9
src/V3AstNodes.h
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@ -251,13 +251,6 @@ private:
m_trace=false; m_trace=false;
} }
public: public:
AstVar(FileLine* fl, AstVarType type, const string& name)
:AstNode(fl)
, m_name(name) {
init();
combineType(type);
width(msb()-lsb()+1,0);
}
AstVar(FileLine* fl, AstVarType type, const string& name, AstRange* rangep, AstRange* arrayp=NULL) AstVar(FileLine* fl, AstVarType type, const string& name, AstRange* rangep, AstRange* arrayp=NULL)
:AstNode(fl) :AstNode(fl)
, m_name(name) { , m_name(name) {
@ -277,7 +270,7 @@ public:
if (examplep->arraysp()) { if (examplep->arraysp()) {
setOp2p(examplep->arraysp()->cloneTree(true)); setOp2p(examplep->arraysp()->cloneTree(true));
} }
width(msb()-lsb()+1,0); width(examplep->width(), examplep->widthMin());
} }
ASTNODE_NODE_FUNCS(Var, VAR) ASTNODE_NODE_FUNCS(Var, VAR)
virtual void dump(ostream& str); virtual void dump(ostream& str);

2
src/V3Clock.cpp
View File

@ -86,7 +86,7 @@ private:
if (varp->width()!=1) varp->v3error("Unsupported: Clock edge on non-single bit signal: "<<varp->prettyName()); if (varp->width()!=1) varp->v3error("Unsupported: Clock edge on non-single bit signal: "<<varp->prettyName());
string newvarname = ((string)"__Vclklast__"+vscp->scopep()->nameDotless()+"__"+varp->shortName()); string newvarname = ((string)"__Vclklast__"+vscp->scopep()->nameDotless()+"__"+varp->shortName());
AstVar* newvarp AstVar* newvarp
= new AstVar (vscp->fileline(), AstVarType::MODULETEMP, newvarname); // No range; 1 bit. = new AstVar (vscp->fileline(), AstVarType::MODULETEMP, newvarname, NULL, NULL); // No range; 1 bit.
newvarp->width(1,1); newvarp->width(1,1);
m_modp->addStmtp(newvarp); m_modp->addStmtp(newvarp);
AstVarScope* newvscp = new AstVarScope(vscp->fileline(), m_scopep, newvarp); AstVarScope* newvscp = new AstVarScope(vscp->fileline(), m_scopep, newvarp);

2
src/V3Link.cpp
View File

@ -156,7 +156,7 @@ private:
if (!forrefp->varp()) { if (!forrefp->varp()) {
if (!noWarn) forrefp->v3warn(IMPLICIT,"Signal definition not found, creating implicitly: "<<forrefp->prettyName()); if (!noWarn) forrefp->v3warn(IMPLICIT,"Signal definition not found, creating implicitly: "<<forrefp->prettyName());
AstVar* newp = new AstVar (forrefp->fileline(), AstVarType::WIRE, AstVar* newp = new AstVar (forrefp->fileline(), AstVarType::WIRE,
forrefp->name()); forrefp->name(), NULL, NULL); // width 1
newp->trace(m_modp->modTrace()); newp->trace(m_modp->modTrace());
m_modp->addStmtp(newp); m_modp->addStmtp(newp);
// Link it to signal list // Link it to signal list