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Unified Diff: src/ia32/code-stubs-ia32.cc

Issue 1609233002: Do not eagerly instantiate accessors' JSFunction. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Update. Created 4 years, 11 months ago
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Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index fe65f1576929b2beec7ca6c9921e6db1ebbe6ade..6e969e10ef6099e223e375181ff3acdd7442e92d 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -5502,7 +5502,7 @@ static void CallApiFunctionAndReturn(MacroAssembler* masm,
static void CallApiFunctionStubHelper(MacroAssembler* masm,
const ParameterCount& argc,
bool return_first_arg,
- bool call_data_undefined) {
+ bool call_data_undefined, bool is_lazy) {
// ----------- S t a t e -------------
// -- edi : callee
// -- ebx : call_data
@@ -5576,8 +5576,10 @@ static void CallApiFunctionStubHelper(MacroAssembler* masm,
// push return address
__ push(return_address);
- // load context from callee
- __ mov(context, FieldOperand(callee, JSFunction::kContextOffset));
+ if (!is_lazy) {
+ // load context from callee
+ __ mov(context, FieldOperand(callee, JSFunction::kContextOffset));
+ }
// API function gets reference to the v8::Arguments. If CPU profiler
// is enabled wrapper function will be called and we need to pass
@@ -5649,7 +5651,7 @@ static void CallApiFunctionStubHelper(MacroAssembler* masm,
void CallApiFunctionStub::Generate(MacroAssembler* masm) {
bool call_data_undefined = this->call_data_undefined();
CallApiFunctionStubHelper(masm, ParameterCount(eax), false,
- call_data_undefined);
+ call_data_undefined, false);
}
@@ -5657,8 +5659,9 @@ void CallApiAccessorStub::Generate(MacroAssembler* masm) {
bool is_store = this->is_store();
int argc = this->argc();
bool call_data_undefined = this->call_data_undefined();
+ bool is_lazy = this->is_lazy();
CallApiFunctionStubHelper(masm, ParameterCount(argc), is_store,
- call_data_undefined);
+ call_data_undefined, is_lazy);
}

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