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Unified Diff: src/x64/lithium-codegen-x64.cc

Issue 868453005: Continue learning for calls in optimized code when we have no type feedback. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@navier
Patch Set: Compile error fix. Created 5 years, 11 months ago
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Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 383795c8a0784134880d27122f34d13510931b3d..67528bbec22394525852bc37099edf2871576b8f 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -4033,8 +4033,29 @@ void LCodeGen::DoCallFunction(LCallFunction* instr) {
DCHECK(ToRegister(instr->result()).is(rax));
int arity = instr->arity();
- CallFunctionStub stub(isolate(), arity, instr->hydrogen()->function_flags());
- CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+ CallFunctionFlags flags = instr->hydrogen()->function_flags();
+ if (instr->hydrogen()->HasVectorAndSlot()) {
+ Register slot_register = ToRegister(instr->temp_slot());
+ Register vector_register = ToRegister(instr->temp_vector());
+ DCHECK(slot_register.is(rdx));
+ DCHECK(vector_register.is(rbx));
+
+ Handle<TypeFeedbackVector> vector = instr->hydrogen()->feedback_vector();
+ int index = vector->GetIndex(instr->hydrogen()->slot());
+
+ __ Move(vector_register, vector);
+ __ Move(slot_register, Smi::FromInt(index));
+
+ CallICState::CallType call_type =
+ (flags & CALL_AS_METHOD) ? CallICState::METHOD : CallICState::FUNCTION;
+
+ Handle<Code> ic =
+ CodeFactory::CallICInOptimizedCode(isolate(), arity, call_type).code();
+ CallCode(ic, RelocInfo::CODE_TARGET, instr);
+ } else {
+ CallFunctionStub stub(isolate(), arity, flags);
+ CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+ }
}
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