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Slice code cleanup. No functional change.

This commit is contained in:
Wilson Snyder 2012-09-25 19:17:09 -04:00
parent 55c23360d9
commit 047d66a657
1 changed files with 6 additions and 22 deletions
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28
src/V3Slice.cpp
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@ -54,14 +54,6 @@ class SliceCloneVisitor : public AstNVisitor {
// AstNodeAssign::user2() -> int. The number of clones needed for this assign
// AstArraySel::user3() -> bool. Error detected
// ENUMS
enum RedOp { // The type of unary operation to be expanded
REDOP_UNKNOWN, // Unknown/Unsupported
REDOP_OR, // Or Reduction
REDOP_AND, // And Reduction
REDOP_XOR, // Xor Reduction
REDOP_XNOR}; // Xnor Reduction
// STATE
vector<vector<unsigned> > m_selBits; // Indexes of the ArraySel we are expanding
int m_vecIdx; // Current vector index
@ -140,14 +132,6 @@ class SliceCloneVisitor : public AstNVisitor {
m_selBits.clear();
UINFO(4, "Cloning "<<nodep->user2()<<" times: "<<nodep<<endl);
// Figure out what type of operation this is so we don't have to cast on
// every clone.
RedOp redOpType = REDOP_UNKNOWN;
if (nodep->castRedOr()) redOpType = REDOP_OR;
else if (nodep->castRedAnd()) redOpType = REDOP_AND;
else if (nodep->castRedXor()) redOpType = REDOP_XOR;
else if (nodep->castRedXnor()) redOpType = REDOP_XNOR;
AstNode* lhsp = NULL;
AstNode* rhsp = NULL;
for (int i = 0; i < nodep->user2(); ++i) {
@ -158,20 +142,20 @@ class SliceCloneVisitor : public AstNVisitor {
if (!lhsp) lhsp = clonep;
else rhsp = clonep;
if (lhsp && rhsp) {
switch (redOpType) {
case REDOP_OR:
switch (nodep->type()) {
case AstType::atREDOR:
lhsp = new AstOr(nodep->fileline(), lhsp, rhsp);
break;
case REDOP_AND:
case AstType::atREDAND:
lhsp = new AstAnd(nodep->fileline(), lhsp, rhsp);
break;
case REDOP_XOR:
case AstType::atREDXOR:
lhsp = new AstXor(nodep->fileline(), lhsp, rhsp);
break;
case REDOP_XNOR:
case AstType::atREDXNOR:
lhsp = new AstXnor(nodep->fileline(), lhsp, rhsp);
break;
default: // REDOP_UNKNOWN
default:
nodep->v3fatalSrc("Unsupported: Unary operation on multiple packed dimensions");
break;
}