luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-08-30 01:38:21 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix toggle coverage of unpacked unions with reals.

Browse Source
This commit is contained in:
Wilson Snyder
2024-02-07 21:03:32 -05:00
parent c20634e4f8
commit e2e0795538
4 changed files with 37 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3Coverage.cpp
+18 -6
View File
@@ -365,7 +365,7 @@ class CoverageVisitor final : public VNVisitor {
AstNodeExpr* const varRefp = new AstStructSel{
varp->fileline(), above.m_varRefp->cloneTree(true), itemp->name()};
AstNodeExpr* const chgRefp = new AstStructSel{
varp->fileline(), above.m_varRefp->cloneTree(true), itemp->name()};
varp->fileline(), above.m_chgRefp->cloneTree(true), itemp->name()};
varRefp->dtypep(subtypep);
chgRefp->dtypep(subtypep);
ToggleEnt newent{above.m_comment + "."s + itemp->name(), varRefp, chgRefp};
@@ -377,11 +377,23 @@ class CoverageVisitor final : public VNVisitor {
// Arbitrarily handle only the first member of the union
if (const AstMemberDType* const itemp = adtypep->membersp()) {
AstNodeDType* const subtypep = itemp->subDTypep()->skipRefp();
ToggleEnt newent{above.m_comment + "."s + itemp->name(),
above.m_varRefp->cloneTree(true),
above.m_chgRefp->cloneTree(true)};
toggleVarRecurse(subtypep, depth + 1, newent, varp, chgVarp);
newent.cleanup();
if (adtypep->packed()) {
ToggleEnt newent{above.m_comment + "."s + itemp->name(),
above.m_varRefp->cloneTree(true),
above.m_chgRefp->cloneTree(true)};
toggleVarRecurse(subtypep, depth + 1, newent, varp, chgVarp);
newent.cleanup();
} else {
AstNodeExpr* const varRefp = new AstStructSel{
varp->fileline(), above.m_varRefp->cloneTree(true), itemp->name()};
AstNodeExpr* const chgRefp = new AstStructSel{
varp->fileline(), above.m_chgRefp->cloneTree(true), itemp->name()};
varRefp->dtypep(subtypep);
chgRefp->dtypep(subtypep);
ToggleEnt newent{above.m_comment + "."s + itemp->name(), varRefp, chgRefp};
toggleVarRecurse(subtypep, depth + 1, newent, varp, chgVarp);
newent.cleanup();
}
}
} else {
dtypep->v3fatalSrc("Unexpected node data type in toggle coverage generation: "