X87: [runtime] Replace global object link with native context link in all contexts.

src/crankshaft/x87/lithium-codegen-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/crankshaft/x87/lithium-codegen-x87.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 3441 matching lines @@
 
   // The receiver should be a JS object.
   __ test(receiver, Immediate(kSmiTagMask));
   DeoptimizeIf(equal, instr, Deoptimizer::kSmi);
   __ CmpObjectType(receiver, FIRST_SPEC_OBJECT_TYPE, scratch);
   DeoptimizeIf(below, instr, Deoptimizer::kNotAJavaScriptObject);
 
   __ jmp(&receiver_ok, Label::kNear);
   __ bind(&global_object);
   __ mov(receiver, FieldOperand(function, JSFunction::kContextOffset));
-  const int global_offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX);
-  __ mov(receiver, Operand(receiver, global_offset));
-  const int proxy_offset = JSGlobalObject::kGlobalProxyOffset;
-  __ mov(receiver, FieldOperand(receiver, proxy_offset));
+  __ mov(receiver, ContextOperand(receiver, Context::NATIVE_CONTEXT_INDEX));
+  __ mov(receiver, ContextOperand(receiver, Context::GLOBAL_PROXY_INDEX));
   __ bind(&receiver_ok);
 }
 
 
 void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
   Register receiver = ToRegister(instr->receiver());
   Register function = ToRegister(instr->function());
   Register length = ToRegister(instr->length());
   Register elements = ToRegister(instr->elements());
   DCHECK(receiver.is(eax));  // Used for parameter count.
@@ skipping 2675 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87