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Support basic constrained random for multi-dimensional dynamic array and queue (#5591)

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This commit is contained in:
Yilou Wang
2024-11-08 14:04:58 -05:00
committed by GitHub
parent 61d2284eab
commit a173883b2d
5 changed files with 350 additions and 130 deletions
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src/V3Randomize.cpp
+7 -3
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@@ -618,7 +618,8 @@ class ConstraintExprVisitor final : public VNVisitor {
VAccess::READWRITE},
"write_var"};
uint32_t dimension = 0;
if (VN_IS(varp->dtypep(), UnpackArrayDType)) {
if (VN_IS(varp->dtypep(), UnpackArrayDType) || VN_IS(varp->dtypep(), DynArrayDType)
|| VN_IS(varp->dtypep(), QueueDType)) {
const std::pair<uint32_t, uint32_t> dims
= varp->dtypep()->dimensions(/*includeBasic=*/true);
const uint32_t unpackedDimensions = dims.second;
@@ -631,8 +632,11 @@ class ConstraintExprVisitor final : public VNVisitor {
varRefp->classOrPackagep(classOrPackagep);
methodp->addPinsp(varRefp);
size_t width = varp->width();
if (VN_IS(varp->dtypep(), DynArrayDType) || VN_IS(varp->dtypep(), QueueDType))
width = varp->dtypep()->subDTypep()->width();
AstNodeDType* tmpDtypep = varp->dtypep();
while (VN_IS(tmpDtypep, UnpackArrayDType) || VN_IS(tmpDtypep, DynArrayDType)
|| VN_IS(tmpDtypep, QueueDType))
tmpDtypep = tmpDtypep->subDTypep();
width = tmpDtypep->width();
methodp->addPinsp(
new AstConst{varp->dtypep()->fileline(), AstConst::Unsized64{}, width});
AstNodeExpr* const varnamep