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Support clocking blocks in virtual interfaces (#5235)

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This commit is contained in:
Arkadiusz Kozdra
2024-07-09 18:31:58 -04:00
committed by GitHub
parent e3e7b3f2b5
commit 2cfec0ecc3
19 changed files with 423 additions and 77 deletions
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src/V3Sched.cpp
+18 -8
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@@ -1170,10 +1170,14 @@ void schedule(AstNetlist* netlistp) {
// (including combinationally generated signals) are computed within the act region.
LogicRegions logicRegions
= partition(logicClasses.m_clocked, logicClasses.m_comb, logicClasses.m_hybrid);
logicRegions.m_obs = logicClasses.m_observed;
logicRegions.m_react = logicClasses.m_reactive;
if (v3Global.opt.stats()) {
addSizeStat("size of region: Active Pre", logicRegions.m_pre);
addSizeStat("size of region: Active", logicRegions.m_act);
addSizeStat("size of region: NBA", logicRegions.m_nba);
addSizeStat("size of region: Observed", logicRegions.m_obs);
addSizeStat("size of region: Reactive", logicRegions.m_react);
V3Stats::statsStage("sched-partition");
}
@@ -1183,6 +1187,8 @@ void schedule(AstNetlist* netlistp) {
addSizeStat("size of replicated logic: Input", logicReplicas.m_ico);
addSizeStat("size of replicated logic: Active", logicReplicas.m_act);
addSizeStat("size of replicated logic: NBA", logicReplicas.m_nba);
addSizeStat("size of replicated logic: Observed", logicReplicas.m_obs);
addSizeStat("size of replicated logic: Reactive", logicReplicas.m_react);
V3Stats::statsStage("sched-replicate");
}
@@ -1207,8 +1213,8 @@ void schedule(AstNetlist* netlistp) {
const auto& senTreeps = getSenTreesUsedBy({&logicRegions.m_pre, //
&logicRegions.m_act, //
&logicRegions.m_nba, //
&logicClasses.m_observed, //
&logicClasses.m_reactive, //
&logicRegions.m_obs, //
&logicRegions.m_react, //
&timingKit.m_lbs});
const TriggerKit& actTrig
= createTriggers(netlistp, initp, senExprBuilder, senTreeps, "act", extraTriggers);
@@ -1225,7 +1231,7 @@ void schedule(AstNetlist* netlistp) {
AstVarScope* const preTrigVscp = scopeTopp->createTempLike("__VpreTriggered", actTrigVscp);
const auto cloneMapWithNewTriggerReferences
= [=](std::unordered_map<const AstSenTree*, AstSenTree*> map, AstVarScope* vscp) {
= [=](const std::unordered_map<const AstSenTree*, AstSenTree*>& map, AstVarScope* vscp) {
// Copy map
auto newMap{map};
// Replace references in each mapped value with a reference to the given vscp
@@ -1293,6 +1299,7 @@ void schedule(AstNetlist* netlistp) {
// Orders a region's logic and creates the region eval function
const auto order = [&](const std::string& name,
const std::vector<V3Sched::LogicByScope*>& logic) -> EvalKit {
UINFO(2, "Scheduling " << name << " #logic = " << logic.size() << endl);
AstVarScope* const trigVscp
= scopeTopp->createTempLike("__V" + name + "Triggered", actTrigVscp);
const auto trigMap = cloneMapWithNewTriggerReferences(actTrigMap, trigVscp);
@@ -1350,18 +1357,21 @@ void schedule(AstNetlist* netlistp) {
// Orders a region's logic and creates the region eval function (only if there is any logic in
// the region)
const auto orderIfNonEmpty = [&](const std::string& name, LogicByScope& lbs) -> EvalKit {
if (lbs.empty()) return {};
const auto& kit = order(name, {&lbs});
const auto orderIfNonEmpty
= [&](const std::string& name, const std::vector<LogicByScope*>& logic) -> EvalKit {
if (logic[0]->empty())
return {}; // if region is empty, replica is supposed to be empty as well
const auto& kit = order(name, logic);
if (v3Global.opt.stats()) V3Stats::statsStage("sched-create-" + name);
return kit;
};
// Step 11: Create the 'obs' region evaluation function
const EvalKit& obsKit = orderIfNonEmpty("obs", logicClasses.m_observed);
const EvalKit& obsKit = orderIfNonEmpty("obs", {&logicRegions.m_obs, &logicReplicas.m_obs});
// Step 12: Create the 're' region evaluation function
const EvalKit& reactKit = orderIfNonEmpty("react", logicClasses.m_reactive);
const EvalKit& reactKit
= orderIfNonEmpty("react", {&logicRegions.m_react, &logicReplicas.m_react});
// Step 13: Create the 'postponed' region evaluation function
auto* const postponedFuncp = createPostponed(netlistp, logicClasses);