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Support disable fork (#4125) (#4569)

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This commit is contained in:
Aleksander Kiryk
2023-10-16 14:02:29 +02:00
committed by GitHub
parent 25dde58297
commit ad3bcbb1bb
26 changed files with 441 additions and 87 deletions
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src/V3SchedTiming.cpp
+2 -8
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@@ -279,7 +279,6 @@ void transformForks(AstNetlist* const netlistp) {
// STATE
bool m_inClass = false; // Are we in a class?
bool m_beginHasAwaits = false; // Does the current begin have awaits?
bool m_beginNeedProcess = false; // Does the current begin have process::self dependency?
AstFork* m_forkp = nullptr; // Current fork
AstCFunc* m_funcp = nullptr; // Current function
@@ -358,9 +357,8 @@ void transformForks(AstNetlist* const netlistp) {
UASSERT_OBJ(m_forkp, nodep, "Begin outside of a fork");
// Start with children, so later we only find awaits that are actually in this begin
m_beginHasAwaits = false;
m_beginNeedProcess = false;
iterateChildrenConst(nodep);
if (m_beginHasAwaits || m_beginNeedProcess) {
if (m_beginHasAwaits || nodep->needProcess()) {
UASSERT_OBJ(!nodep->name().empty(), nodep, "Begin needs a name");
// Create a function to put this begin's statements in
FileLine* const flp = nodep->fileline();
@@ -384,7 +382,7 @@ void transformForks(AstNetlist* const netlistp) {
}
// Put the begin's statements in the function, delete the begin
newfuncp->addStmtsp(nodep->stmtsp()->unlinkFrBackWithNext());
if (m_beginNeedProcess) {
if (nodep->needProcess()) {
newfuncp->setNeedProcess();
newfuncp->addStmtsp(new AstCStmt{nodep->fileline(),
"vlProcess->state(VlProcess::FINISHED);\n"});
@@ -405,10 +403,6 @@ void transformForks(AstNetlist* const netlistp) {
m_beginHasAwaits = true;
iterateChildrenConst(nodep);
}
void visit(AstCCall* nodep) override {
if (nodep->funcp()->needProcess()) m_beginNeedProcess = true;
iterateChildrenConst(nodep);
}
void visit(AstExprStmt* nodep) override { iterateChildren(nodep); }
//--------------------