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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/V3Table.cpp
+13 -10
View File
@@ -154,7 +154,7 @@ public:
// Called by TableSimulateVisitor on each unique varref encountered
UINFO(9, " SimVARREF " << nodep << endl);
AstVarScope* vscp = nodep->varScopep();
if (nodep->lvalue()) {
if (nodep->access().isWrite()) {
m_outWidth += nodep->varp()->dtypeSkipRefp()->widthTotalBytes();
m_outVarps.push_back(vscp);
} else {
@@ -255,7 +255,7 @@ private:
// First var in inVars becomes the LSB of the concat
AstNode* concatp = nullptr;
for (AstVarScope* invscp : m_inVarps) {
AstVarRef* refp = new AstVarRef(nodep->fileline(), invscp, false);
AstVarRef* refp = new AstVarRef(nodep->fileline(), invscp, VAccess::READ);
if (concatp) {
concatp = new AstConcat(nodep->fileline(), refp, concatp);
} else {
@@ -263,8 +263,9 @@ private:
}
}
AstNode* stmtsp = new AstAssign(
nodep->fileline(), new AstVarRef(nodep->fileline(), indexVscp, true), concatp);
AstNode* stmtsp
= new AstAssign(nodep->fileline(),
new AstVarRef(nodep->fileline(), indexVscp, VAccess::WRITE), concatp);
return stmtsp;
}
@@ -372,10 +373,11 @@ private:
// Set each output from array ref into our table
int outnum = 0;
for (AstVarScope* outvscp : m_outVarps) {
AstNode* alhsp = new AstVarRef(nodep->fileline(), outvscp, true);
AstNode* alhsp = new AstVarRef(nodep->fileline(), outvscp, VAccess::WRITE);
AstNode* arhsp = new AstArraySel(
nodep->fileline(), new AstVarRef(nodep->fileline(), m_tableVarps[outnum], false),
new AstVarRef(nodep->fileline(), indexVscp, false));
nodep->fileline(),
new AstVarRef(nodep->fileline(), m_tableVarps[outnum], VAccess::READ),
new AstVarRef(nodep->fileline(), indexVscp, VAccess::READ));
AstNode* outasnp
= (m_assignDly
? static_cast<AstNode*>(new AstAssignDly(nodep->fileline(), alhsp, arhsp))
@@ -389,9 +391,10 @@ private:
outsetp = new AstIf(
nodep->fileline(),
new AstAnd(nodep->fileline(),
new AstArraySel(nodep->fileline(),
new AstVarRef(nodep->fileline(), chgVscp, false),
new AstVarRef(nodep->fileline(), indexVscp, false)),
new AstArraySel(
nodep->fileline(),
new AstVarRef(nodep->fileline(), chgVscp, VAccess::READ),
new AstVarRef(nodep->fileline(), indexVscp, VAccess::READ)),
new AstConst(nodep->fileline(), outputChgMask)),
outsetp, nullptr);
}