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Refactor and test VL_MULS_MAX_WORDS

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This commit is contained in:
Wilson Snyder
2020-08-03 22:12:24 -04:00
parent 555408b5d3
commit 2bc813da4a
6 changed files with 62 additions and 50 deletions
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src/V3EmitC.cpp
+7 -50
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@@ -888,6 +888,13 @@ public:
}
}
virtual void visit(AstNodeBiop* nodep) VL_OVERRIDE {
if (nodep->emitCheckMaxWords() && nodep->widthWords() > VL_MULS_MAX_WORDS) {
nodep->v3warn(
E_UNSUPPORTED,
"Unsupported: "
<< nodep->prettyOperatorName() << " operator of " << nodep->width()
<< " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
}
if (emitSimpleOk(nodep)) {
putbs("(");
iterateAndNextNull(nodep->lhsp());
@@ -915,56 +922,6 @@ public:
puts(")");
}
}
virtual void visit(AstMulS* nodep) VL_OVERRIDE {
if (nodep->widthWords() > VL_MULS_MAX_WORDS) {
nodep->v3warn(
E_UNSUPPORTED,
"Unsupported: Signed multiply of "
<< nodep->width()
<< " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
}
visit(VN_CAST(nodep, NodeBiop));
}
virtual void visit(AstPow* nodep) VL_OVERRIDE {
if (nodep->widthWords() > VL_MULS_MAX_WORDS) {
nodep->v3warn(
E_UNSUPPORTED,
"Unsupported: Power of "
<< nodep->width()
<< " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
}
visit(VN_CAST(nodep, NodeBiop));
}
virtual void visit(AstPowSS* nodep) VL_OVERRIDE {
if (nodep->widthWords() > VL_MULS_MAX_WORDS) {
nodep->v3warn(
E_UNSUPPORTED,
"Unsupported: Power of "
<< nodep->width()
<< " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
}
visit(VN_CAST(nodep, NodeBiop));
}
virtual void visit(AstPowSU* nodep) VL_OVERRIDE {
if (nodep->widthWords() > VL_MULS_MAX_WORDS) {
nodep->v3warn(
E_UNSUPPORTED,
"Unsupported: Power of "
<< nodep->width()
<< " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
}
visit(VN_CAST(nodep, NodeBiop));
}
virtual void visit(AstPowUS* nodep) VL_OVERRIDE {
if (nodep->widthWords() > VL_MULS_MAX_WORDS) {
nodep->v3warn(
E_UNSUPPORTED,
"Unsupported: Power of "
<< nodep->width()
<< " bits exceeds hardcoded limit VL_MULS_MAX_WORDS in verilatedos.h");
}
visit(VN_CAST(nodep, NodeBiop));
}
virtual void visit(AstCCast* nodep) VL_OVERRIDE {
// Extending a value of the same word width is just a NOP.
if (nodep->size() <= VL_IDATASIZE) {