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Unified Diff: src/compiler/js-operator.cc

Issue 680313003: Move input/output counts directly into Operators, simplying OperatorProperties. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: yes Created 6 years, 2 months ago
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Index: src/compiler/js-operator.cc
diff --git a/src/compiler/js-operator.cc b/src/compiler/js-operator.cc
index ac140b90608825ef8d40e4b74834e073505078e1..12473c16544b791bd1a297283199662ae39aa7e1 100644
--- a/src/compiler/js-operator.cc
+++ b/src/compiler/js-operator.cc
@@ -208,7 +208,7 @@ const StoreNamedParameters& StoreNamedParametersOf(const Operator* op) {
}
-#define SHARED_OP_LIST(V) \
+#define CACHED_OP_LIST(V) \
V(Equal, Operator::kNoProperties, 2, 1) \
V(NotEqual, Operator::kNoProperties, 2, 1) \
V(StrictEqual, Operator::kPure, 2, 1) \
@@ -247,39 +247,45 @@ const StoreNamedParameters& StoreNamedParametersOf(const Operator* op) {
V(CreateGlobalContext, Operator::kNoProperties, 2, 1)
-struct JSOperatorBuilderImpl FINAL {
-#define SHARED(Name, properties, value_input_count, value_output_count) \
- struct Name##Operator FINAL : public SimpleOperator { \
- Name##Operator() \
- : SimpleOperator(IrOpcode::kJS##Name, properties, value_input_count, \
- value_output_count, "JS" #Name) {} \
- }; \
+struct JSOperatorGlobalCache FINAL {
+#define CACHED(Name, properties, value_input_count, value_output_count) \
+ struct Name##Operator FINAL : public Operator { \
+ Name##Operator() \
+ : Operator(IrOpcode::kJS##Name, properties, "JS" #Name, \
+ value_input_count, Operator::ZeroIfPure(properties), \
+ Operator::ZeroIfPure(properties), value_output_count, \
+ Operator::ZeroIfPure(properties), 0) {} \
+ }; \
Name##Operator k##Name##Operator;
- SHARED_OP_LIST(SHARED)
-#undef SHARED
+ CACHED_OP_LIST(CACHED)
+#undef CACHED
};
-static base::LazyInstance<JSOperatorBuilderImpl>::type kImpl =
+static base::LazyInstance<JSOperatorGlobalCache>::type kCache =
LAZY_INSTANCE_INITIALIZER;
JSOperatorBuilder::JSOperatorBuilder(Zone* zone)
- : impl_(kImpl.Get()), zone_(zone) {}
+ : cache_(kCache.Get()), zone_(zone) {}
-#define SHARED(Name, properties, value_input_count, value_output_count) \
- const Operator* JSOperatorBuilder::Name() { return &impl_.k##Name##Operator; }
-SHARED_OP_LIST(SHARED)
-#undef SHARED
+#define CACHED(Name, properties, value_input_count, value_output_count) \
+ const Operator* JSOperatorBuilder::Name() { \
+ return &cache_.k##Name##Operator; \
+ }
+CACHED_OP_LIST(CACHED)
+#undef CACHED
const Operator* JSOperatorBuilder::CallFunction(size_t arity,
CallFunctionFlags flags) {
CallFunctionParameters parameters(arity, flags);
- return new (zone()) Operator1<CallFunctionParameters>(
- IrOpcode::kJSCallFunction, Operator::kNoProperties,
- static_cast<int>(parameters.arity()), 1, "JSCallFunction", parameters);
+ return new (zone()) Operator1<CallFunctionParameters>( // --
+ IrOpcode::kJSCallFunction, Operator::kNoProperties, // opcode
+ "JSCallFunction", // name
+ parameters.arity(), 1, 1, 1, 1, 0, // inputs/outputs
+ parameters); // parameter
}
@@ -287,18 +293,21 @@ const Operator* JSOperatorBuilder::CallRuntime(Runtime::FunctionId id,
size_t arity) {
CallRuntimeParameters parameters(id, arity);
const Runtime::Function* f = Runtime::FunctionForId(parameters.id());
- int arguments = static_cast<int>(parameters.arity());
- DCHECK(f->nargs == -1 || f->nargs == arguments);
- return new (zone()) Operator1<CallRuntimeParameters>(
- IrOpcode::kJSCallRuntime, Operator::kNoProperties, arguments,
- f->result_size, "JSCallRuntime", parameters);
+ DCHECK(f->nargs == -1 || f->nargs == static_cast<int>(parameters.arity()));
+ return new (zone()) Operator1<CallRuntimeParameters>( // --
+ IrOpcode::kJSCallRuntime, Operator::kNoProperties, // opcode
+ "JSCallRuntime", // name
+ parameters.arity(), 1, 1, f->result_size, 1, 0, // inputs/outputs
+ parameters); // parameter
}
const Operator* JSOperatorBuilder::CallConstruct(int arguments) {
- return new (zone())
- Operator1<int>(IrOpcode::kJSCallConstruct, Operator::kNoProperties,
- arguments, 1, "JSCallConstruct", arguments);
+ return new (zone()) Operator1<int>( // --
+ IrOpcode::kJSCallConstruct, Operator::kNoProperties, // opcode
+ "JSCallConstruct", // name
+ arguments, 1, 1, 1, 1, 0, // counts
+ arguments); // parameter
}
@@ -306,66 +315,82 @@ const Operator* JSOperatorBuilder::LoadNamed(const Unique<Name>& name,
const VectorSlotPair& feedback,
ContextualMode contextual_mode) {
LoadNamedParameters parameters(name, feedback, contextual_mode);
- return new (zone()) Operator1<LoadNamedParameters>(
- IrOpcode::kJSLoadNamed, Operator::kNoProperties, 1, 1, "JSLoadNamed",
- parameters);
+ return new (zone()) Operator1<LoadNamedParameters>( // --
+ IrOpcode::kJSLoadNamed, Operator::kNoProperties, // opcode
+ "JSLoadNamed", // name
+ 1, 1, 1, 1, 1, 0, // counts
+ parameters); // parameter
}
const Operator* JSOperatorBuilder::LoadProperty(
const VectorSlotPair& feedback) {
LoadPropertyParameters parameters(feedback);
- return new (zone()) Operator1<LoadPropertyParameters>(
- IrOpcode::kJSLoadProperty, Operator::kNoProperties, 2, 1,
- "JSLoadProperty", parameters);
+ return new (zone()) Operator1<LoadPropertyParameters>( // --
+ IrOpcode::kJSLoadProperty, Operator::kNoProperties, // opcode
+ "JSLoadProperty", // name
+ 2, 1, 1, 1, 1, 0, // counts
+ parameters); // parameter
}
const Operator* JSOperatorBuilder::StoreProperty(StrictMode strict_mode) {
- return new (zone())
- Operator1<StrictMode>(IrOpcode::kJSStoreProperty, Operator::kNoProperties,
- 3, 0, "JSStoreProperty", strict_mode);
+ return new (zone()) Operator1<StrictMode>( // --
+ IrOpcode::kJSStoreProperty, Operator::kNoProperties, // opcode
+ "JSStoreProperty", // name
+ 3, 1, 1, 0, 1, 0, // counts
+ strict_mode); // parameter
}
const Operator* JSOperatorBuilder::StoreNamed(StrictMode strict_mode,
const Unique<Name>& name) {
StoreNamedParameters parameters(strict_mode, name);
- return new (zone()) Operator1<StoreNamedParameters>(
- IrOpcode::kJSStoreNamed, Operator::kNoProperties, 2, 0, "JSStoreNamed",
- parameters);
+ return new (zone()) Operator1<StoreNamedParameters>( // --
+ IrOpcode::kJSStoreNamed, Operator::kNoProperties, // opcode
+ "JSStoreNamed", // name
+ 2, 1, 1, 0, 1, 0, // counts
+ parameters); // parameter
}
const Operator* JSOperatorBuilder::DeleteProperty(StrictMode strict_mode) {
- return new (zone()) Operator1<StrictMode>(IrOpcode::kJSDeleteProperty,
- Operator::kNoProperties, 2, 1,
- "JSDeleteProperty", strict_mode);
+ return new (zone()) Operator1<StrictMode>( // --
+ IrOpcode::kJSDeleteProperty, Operator::kNoProperties, // opcode
+ "JSDeleteProperty", // name
+ 2, 1, 1, 1, 1, 0, // counts
+ strict_mode); // parameter
}
const Operator* JSOperatorBuilder::LoadContext(size_t depth, size_t index,
bool immutable) {
ContextAccess access(depth, index, immutable);
- return new (zone()) Operator1<ContextAccess>(
- IrOpcode::kJSLoadContext, Operator::kEliminatable | Operator::kNoWrite, 1,
- 1, "JSLoadContext", access);
+ return new (zone()) Operator1<ContextAccess>( // --
+ IrOpcode::kJSLoadContext, Operator::kNoWrite, // opcode
+ "JSLoadContext", // name
+ 1, 1, 0, 1, 1, 0, // counts
+ access); // parameter
}
const Operator* JSOperatorBuilder::StoreContext(size_t depth, size_t index) {
ContextAccess access(depth, index, false);
- return new (zone()) Operator1<ContextAccess>(IrOpcode::kJSStoreContext,
- Operator::kNoProperties, 2, 0,
- "JSStoreContext", access);
+ return new (zone()) Operator1<ContextAccess>( // --
+ IrOpcode::kJSStoreContext, Operator::kNoRead, // opcode
+ "JSStoreContext", // name
+ 2, 1, 1, 0, 1, 0, // counts
+ access); // parameter
}
const Operator* JSOperatorBuilder::CreateCatchContext(
const Unique<String>& name) {
- return new (zone()) Operator1<Unique<String>>(IrOpcode::kJSCreateCatchContext,
- Operator::kNoProperties, 1, 1,
- "JSCreateCatchContext", name);
+ return new (zone()) Operator1<Unique<String>>( // --
+ IrOpcode::kJSCreateCatchContext, Operator::kNoProperties, // opcode
+ "JSCreateCatchContext", // name
+ 1, 1, 1, 1, 1, 0, // counts
+ name); // parameter
}
} // namespace compiler
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