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Unified Diff: src/ic/mips64/handler-compiler-mips64.cc

Issue 778673002: Do not embed function in DirectLoadGlobalFunctionPrototype. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Add mips, mips64, x87 Created 6 years ago
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Index: src/ic/mips64/handler-compiler-mips64.cc
diff --git a/src/ic/mips64/handler-compiler-mips64.cc b/src/ic/mips64/handler-compiler-mips64.cc
index d659db2498b2fd46035d9798dfe686bc440f48cb..e3dc8f2535a7eb8cfcd88636ce3abb268fbe289a 100644
--- a/src/ic/mips64/handler-compiler-mips64.cc
+++ b/src/ic/mips64/handler-compiler-mips64.cc
@@ -138,25 +138,17 @@ void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup(
void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype(
- MacroAssembler* masm, int index, Register prototype, Label* miss) {
- Isolate* isolate = masm->isolate();
- // Get the global function with the given index.
- Handle<JSFunction> function(
- JSFunction::cast(isolate->native_context()->get(index)));
-
+ MacroAssembler* masm, int index, Register result, Label* miss) {
// Check we're still in the same context.
- Register scratch = prototype;
const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX);
- __ ld(scratch, MemOperand(cp, offset));
- __ ld(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset));
- __ ld(scratch, MemOperand(scratch, Context::SlotOffset(index)));
- __ li(at, function);
- __ Branch(miss, ne, at, Operand(scratch));
-
+ __ ld(result, MemOperand(cp, offset));
+ __ ld(result, FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+ __ ld(result, MemOperand(result, Context::SlotOffset(index)));
// Load its initial map. The global functions all have initial maps.
- __ li(prototype, Handle<Map>(function->initial_map()));
+ __ ld(result,
+ FieldMemOperand(result, JSFunction::kPrototypeOrInitialMapOffset));
// Load the prototype from the initial map.
- __ ld(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
+ __ ld(result, FieldMemOperand(result, Map::kPrototypeOffset));
}
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