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Internals: Create VAccess class. No functional change intended.

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This commit is contained in:
Wilson Snyder
2020-09-07 17:09:25 -04:00
parent cc134b38ee
commit 1899a875a4
52 changed files with 470 additions and 384 deletions
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src/V3Clock.cpp
+16 -13
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@@ -79,15 +79,15 @@ private:
vscp->user1p(newvscp);
m_scopep->addVarp(newvscp);
// Add init
AstNode* fromp = new AstVarRef(newvarp->fileline(), vscp, false);
AstNode* fromp = new AstVarRef(newvarp->fileline(), vscp, VAccess::READ);
if (v3Global.opt.xInitialEdge()) fromp = new AstNot(fromp->fileline(), fromp);
AstNode* newinitp = new AstAssign(
vscp->fileline(), new AstVarRef(newvarp->fileline(), newvscp, true), fromp);
vscp->fileline(), new AstVarRef(newvarp->fileline(), newvscp, VAccess::WRITE), fromp);
addToInitial(newinitp);
// At bottom, assign them
AstAssign* finalp
= new AstAssign(vscp->fileline(), new AstVarRef(vscp->fileline(), newvscp, true),
new AstVarRef(vscp->fileline(), vscp, false));
AstAssign* finalp = new AstAssign(vscp->fileline(),
new AstVarRef(vscp->fileline(), newvscp, VAccess::WRITE),
new AstVarRef(vscp->fileline(), vscp, VAccess::READ));
m_evalFuncp->addFinalsp(finalp);
//
UINFO(4, "New Last: " << newvscp << endl);
@@ -112,25 +112,28 @@ private:
AstVarScope* lastVscp = getCreateLastClk(clkvscp);
newp = new AstAnd(
nodep->fileline(),
new AstVarRef(nodep->fileline(), nodep->varrefp()->varScopep(), false),
new AstNot(nodep->fileline(), new AstVarRef(nodep->fileline(), lastVscp, false)));
new AstVarRef(nodep->fileline(), nodep->varrefp()->varScopep(), VAccess::READ),
new AstNot(nodep->fileline(),
new AstVarRef(nodep->fileline(), lastVscp, VAccess::READ)));
} else if (nodep->edgeType() == VEdgeType::ET_NEGEDGE) {
AstVarScope* lastVscp = getCreateLastClk(clkvscp);
newp = new AstAnd(
nodep->fileline(),
new AstNot(nodep->fileline(),
new AstVarRef(nodep->fileline(), nodep->varrefp()->varScopep(), false)),
new AstVarRef(nodep->fileline(), lastVscp, false));
new AstVarRef(nodep->fileline(), nodep->varrefp()->varScopep(),
VAccess::READ)),
new AstVarRef(nodep->fileline(), lastVscp, VAccess::READ));
} else if (nodep->edgeType() == VEdgeType::ET_BOTHEDGE) {
AstVarScope* lastVscp = getCreateLastClk(clkvscp);
newp = new AstXor(
nodep->fileline(),
new AstVarRef(nodep->fileline(), nodep->varrefp()->varScopep(), false),
new AstVarRef(nodep->fileline(), lastVscp, false));
new AstVarRef(nodep->fileline(), nodep->varrefp()->varScopep(), VAccess::READ),
new AstVarRef(nodep->fileline(), lastVscp, VAccess::READ));
} else if (nodep->edgeType() == VEdgeType::ET_HIGHEDGE) {
newp = new AstVarRef(nodep->fileline(), clkvscp, false);
newp = new AstVarRef(nodep->fileline(), clkvscp, VAccess::READ);
} else if (nodep->edgeType() == VEdgeType::ET_LOWEDGE) {
newp = new AstNot(nodep->fileline(), new AstVarRef(nodep->fileline(), clkvscp, false));
newp = new AstNot(nodep->fileline(),
new AstVarRef(nodep->fileline(), clkvscp, VAccess::READ));
} else {
nodep->v3fatalSrc("Bad edge type");
}