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When tracing, use scalars on single bit arrays to appease vcddiff.

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This commit is contained in:
Wilson Snyder 2018-05-19 07:52:07 -04:00
parent 02a22c12ea
commit b6e8133a4d
2 changed files with 10 additions and 3 deletions
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2
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@ -6,6 +6,8 @@ The contributors that suggested a given feature are shown in []. Thanks!
**** Report interface ports connected to wrong interface, bug1294. [Todd Strader]
**** When tracing, use scalars on single bit arrays to appease vcddiff.
**** Fix parsing "output signed" in V2K port list, msg2540. [James Jung]
**** Fix parsing error on bad missing #, bug1308. [Dan Kirkham]

11
src/V3EmitC.cpp
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@ -2405,14 +2405,20 @@ class EmitCTrace : EmitCStmts {
string full = ((m_funcp->funcType() == AstCFuncType::TRACE_FULL
|| m_funcp->funcType() == AstCFuncType::TRACE_FULL_SUB)
? "full":"chg");
bool emitWidth = false;
if (nodep->dtypep()->basicp()->isDouble()) {
puts("vcdp->"+full+"Double");
} else if (nodep->isWide() || emitTraceIsScBv(nodep) || emitTraceIsScBigUint(nodep)) {
puts("vcdp->"+full+"Array");
emitWidth = true;
} else if (nodep->isQuad()) {
puts("vcdp->"+full+"Quad ");
} else if (nodep->declp()->bitRange().ranged()) {
emitWidth = true;
} else if (nodep->declp()->bitRange().ranged()
// 1 element smaller to use Bit dump
&& nodep->declp()->bitRange().elements() != 1) {
puts("vcdp->"+full+"Bus ");
emitWidth = true;
} else {
puts("vcdp->"+full+"Bit ");
}
@ -2420,8 +2426,7 @@ class EmitCTrace : EmitCStmts {
+ ((arrayindex<0) ? 0 : (arrayindex*nodep->declp()->widthWords()))));
puts(",");
emitTraceValue(nodep, arrayindex);
if (!nodep->dtypep()->basicp()->isDouble() // When float/double no longer have widths this can go
&& (nodep->declp()->bitRange().ranged() || emitTraceIsScBv(nodep) || emitTraceIsScBigUint(nodep))) {
if (emitWidth) {
puts(","+cvtToStr(nodep->declp()->widthMin()));
}
puts(");\n");