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Fix DETECTARRAY on packed structures, bug610.

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Signed-off-by: Wilson Snyder <[email protected]>
This commit is contained in:
Jeremy Bennett
2013-02-10 09:54:27 -05:00
committed by Wilson Snyder
parent e1f6802f5f
commit 062eb85075
7 changed files with 131 additions and 2 deletions
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src/V3Changed.cpp
+3 -1
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@@ -87,7 +87,9 @@ private:
AstVar* varp = vscp->varp();
vscp->v3warn(IMPERFECTSCH,"Imperfect scheduling of variable: "<<vscp);
AstUnpackArrayDType* arrayp = varp->dtypeSkipRefp()->castUnpackArrayDType();
AstStructDType *structp = varp->dtypeSkipRefp()->castStructDType();
bool isArray = arrayp;
bool isStruct = structp && structp->packed();
int msb = isArray ? arrayp->msb() : 0;
int lsb = isArray ? arrayp->lsb() : 0;
if (isArray && ((msb - lsb + 1) > DETECTARRAY_MAX_INDEXES)) {
@@ -95,7 +97,7 @@ private:
<<" array indexes (probably with UNOPTFLAT warning suppressed): "<<varp->prettyName()<<endl
<<vscp->warnMore()
<<"... Could recompile with DETECTARRAY_MAX_INDEXES increased to at least "<<cvtToStr(msb-lsb+1));
} else if (!isArray
} else if (!isArray && !isStruct
&& !varp->dtypeSkipRefp()->castBasicDType()) {
if (debug()) varp->dumpTree(cout,"-DETECTARRAY-");
vscp->v3warn(E_DETECTARRAY, "Unsupported: Can't detect changes on complex variable (probably with UNOPTFLAT warning suppressed): "<<varp->prettyName());