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Unified Diff: src/ic.h

Issue 247373002: CallICStub with a "never patch" approach until customization. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE + code size multiplier. Created 6 years, 8 months ago
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Index: src/ic.h
diff --git a/src/ic.h b/src/ic.h
index eefd6532da429d21f100d83f9c23ba522039b1fb..b42b5fa556c3be5e79766bb2b76bd71a169ffea4 100644
--- a/src/ic.h
+++ b/src/ic.h
@@ -19,6 +19,7 @@ const int kMaxKeyedPolymorphism = 4;
#define IC_UTIL_LIST(ICU) \
ICU(LoadIC_Miss) \
ICU(KeyedLoadIC_Miss) \
+ ICU(CallIC_Miss) \
ICU(StoreIC_Miss) \
ICU(StoreIC_ArrayLength) \
ICU(StoreIC_Slow) \
@@ -104,6 +105,10 @@ class IC {
bool IsStoreStub() const {
return target()->is_store_stub() || target()->is_keyed_store_stub();
}
+
+ bool IsCallStub() const {
+ return target()->is_call_stub();
+ }
#endif
// Determines which map must be used for keeping the code stub.
@@ -325,6 +330,78 @@ class IC_Utility {
};
+class CallIC: public IC {
+ public:
+ enum CallType { METHOD, FUNCTION };
+
+ class State V8_FINAL BASE_EMBEDDED {
+ public:
+ explicit State(ExtraICState extra_ic_state);
+
+ static State DefaultCallState(int argc, CallType call_type) {
+ return State(argc, call_type);
+ }
+
+ static State MegamorphicCallState(int argc, CallType call_type) {
+ return State(argc, call_type);
+ }
+
+ InlineCacheState GetICState() const { return ::v8::internal::GENERIC; }
+
+ ExtraICState GetExtraICState() const;
+
+ static void GenerateAheadOfTime(
+ Isolate*, void (*Generate)(Isolate*, const State&));
+
+ int arg_count() const { return argc_; }
+ CallType call_type() const { return call_type_; }
+
+ bool CallAsMethod() const { return call_type_ == METHOD; }
+
+ void Print(StringStream* stream) const;
+
+ bool operator==(const State& other_state) const {
+ return (argc_ == other_state.argc_ &&
+ call_type_ == other_state.call_type_);
+ }
+
+ bool operator!=(const State& other_state) const {
+ return !(*this == other_state);
+ }
+
+ private:
+ State(int argc,
+ CallType call_type)
+ : argc_(argc),
+ call_type_(call_type) {
+ }
+
+ class ArgcBits: public BitField<int, 0, Code::kArgumentsBits> {};
+ class CallTypeBits: public BitField<CallType, Code::kArgumentsBits, 1> {};
+
+ const int argc_;
+ const CallType call_type_;
+ };
+
+ explicit CallIC(Isolate* isolate)
+ : IC(EXTRA_CALL_FRAME, isolate) {
+ }
+
+ void HandleMiss(Handle<Object> receiver,
+ Handle<Object> function,
+ Handle<FixedArray> vector,
+ Handle<Smi> slot);
+
+ // Code generator routines.
+ static Handle<Code> initialize_stub(Isolate* isolate,
+ int argc,
+ CallType call_type);
+
+ static void Clear(Isolate* isolate, Address address, Code* target,
+ ConstantPoolArray* constant_pool);
+};
+
+
class LoadIC: public IC {
public:
// ExtraICState bits
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