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Support clocking blocks (#3674)

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This commit is contained in:
Krzysztof Bieganski
2022-12-23 07:34:49 -05:00
committed by GitHub
parent d64971ba35
commit bb44d4e4f2
58 changed files with 1817 additions and 218 deletions
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src/V3Scope.cpp
+13 -1
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@@ -58,6 +58,7 @@ private:
// STATE, for passing down one level of hierarchy (may need save/restore)
AstCell* m_aboveCellp = nullptr; // Cell that instantiates this module
AstScope* m_aboveScopep = nullptr; // Scope that instantiates this scope
AstClocking* m_clockingp = nullptr; // Current clocking block
std::unordered_map<AstNodeModule*, AstScope*> m_packageScopes; // Scopes for each package
VarScopeMap m_varScopes; // Varscopes created for each scope and var
@@ -247,6 +248,15 @@ private:
// We iterate under the *clone*
iterateChildren(clonep);
}
void visit(AstClocking* nodep) override {
VL_RESTORER(m_clockingp);
m_clockingp = nodep;
UINFO(4, " CLOCKING " << nodep << endl);
iterateChildren(nodep);
if (nodep->varsp()) m_scopep->modp()->addStmtsp(nodep->varsp()->unlinkFrBackWithNext());
if (nodep->eventp()) m_scopep->modp()->addStmtsp(nodep->eventp()->unlinkFrBack());
VL_DO_DANGLING(nodep->unlinkFrBack()->deleteTree(), nodep);
}
void visit(AstNodeFTask* nodep) override {
// Add to list of blocks under this scope
UINFO(4, " FTASK " << nodep << endl);
@@ -265,7 +275,9 @@ private:
}
void visit(AstVar* nodep) override {
// Make new scope variable
if (!nodep->user1p()) {
if (m_clockingp) {
nodep->name(VString::dot(m_clockingp->name(), "__DOT__", nodep->name()));
} else if (!nodep->user1p()) {
AstScope* scopep = m_scopep;
if (AstIfaceRefDType* const ifacerefp = VN_CAST(nodep->dtypep(), IfaceRefDType)) {
// Attach every non-virtual interface variable its inner scope