Revert to code state of 3.13.1 plus r12350

src/x64/full-codegen-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1267 matching lines @@
   }
 
   if (s != NULL && s->is_eval_scope()) {
     // Loop up the context chain.  There is no frame effect so it is
     // safe to use raw labels here.
     Label next, fast;
     if (!context.is(temp)) {
       __ movq(temp, context);
     }
     // Load map for comparison into register, outside loop.
-    __ LoadRoot(kScratchRegister, Heap::kNativeContextMapRootIndex);
+    __ LoadRoot(kScratchRegister, Heap::kGlobalContextMapRootIndex);
     __ bind(&next);
-    // Terminate at native context.
+    // Terminate at global context.
     __ cmpq(kScratchRegister, FieldOperand(temp, HeapObject::kMapOffset));
     __ j(equal, &fast, Label::kNear);
     // Check that extension is NULL.
     __ cmpq(ContextOperand(temp, Context::EXTENSION_INDEX), Immediate(0));
     __ j(not_equal, slow);
     // Load next context in chain.
     __ movq(temp, ContextOperand(temp, Context::PREVIOUS_INDEX));
     __ jmp(&next);
     __ bind(&fast);
   }
@@ skipping 1359 matching lines @@
 
   // Reload map as register rbx was used as temporary above.
   __ movq(rbx, FieldOperand(rax, HeapObject::kMapOffset));
 
   // If a valueOf property is not found on the object check that it's
   // prototype is the un-modified String prototype. If not result is false.
   __ movq(rcx, FieldOperand(rbx, Map::kPrototypeOffset));
   __ testq(rcx, Immediate(kSmiTagMask));
   __ j(zero, if_false);
   __ movq(rcx, FieldOperand(rcx, HeapObject::kMapOffset));
-  __ movq(rdx, Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ movq(rdx, FieldOperand(rdx, GlobalObject::kNativeContextOffset));
+  __ movq(rdx, Operand(rsi, Context::SlotOffset(Context::GLOBAL_INDEX)));
+  __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalContextOffset));
   __ cmpq(rcx,
           ContextOperand(rdx, Context::STRING_FUNCTION_PROTOTYPE_MAP_INDEX));
   __ j(not_equal, if_false);
   // Set the bit in the map to indicate that it has been checked safe for
   // default valueOf and set true result.
   __ or_(FieldOperand(rbx, Map::kBitField2Offset),
          Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf));
   __ jmp(if_true);
 
   PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
@@ skipping 256 matching lines @@
   // Allocate a heap number.
   __ CallRuntime(Runtime::kNumberAlloc, 0);
   __ movq(rbx, rax);
 
   __ bind(&heapnumber_allocated);
 
   // Return a random uint32 number in rax.
   // The fresh HeapNumber is in rbx, which is callee-save on both x64 ABIs.
   __ PrepareCallCFunction(1);
 #ifdef _WIN64
-  __ movq(rcx,
-          ContextOperand(context_register(), Context::GLOBAL_OBJECT_INDEX));
-  __ movq(rcx, FieldOperand(rcx, GlobalObject::kNativeContextOffset));
+  __ movq(rcx, ContextOperand(context_register(), Context::GLOBAL_INDEX));
+  __ movq(rcx, FieldOperand(rcx, GlobalObject::kGlobalContextOffset));
 
 #else
-  __ movq(rdi,
-          ContextOperand(context_register(), Context::GLOBAL_OBJECT_INDEX));
-  __ movq(rdi, FieldOperand(rdi, GlobalObject::kNativeContextOffset));
+  __ movq(rdi, ContextOperand(context_register(), Context::GLOBAL_INDEX));
+  __ movq(rdi, FieldOperand(rdi, GlobalObject::kGlobalContextOffset));
 #endif
   __ CallCFunction(ExternalReference::random_uint32_function(isolate()), 1);
 
   // Convert 32 random bits in rax to 0.(32 random bits) in a double
   // by computing:
   // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
   __ movl(rcx, Immediate(0x49800000));  // 1.0 x 2^20 as single.
   __ movd(xmm1, rcx);
   __ movd(xmm0, rax);
   __ cvtss2sd(xmm1, xmm1);
@@ skipping 396 matching lines @@
 
 
 void FullCodeGenerator::EmitGetFromCache(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT_EQ(2, args->length());
 
   ASSERT_NE(NULL, args->at(0)->AsLiteral());
   int cache_id = Smi::cast(*(args->at(0)->AsLiteral()->handle()))->value();
 
   Handle<FixedArray> jsfunction_result_caches(
-      isolate()->native_context()->jsfunction_result_caches());
+      isolate()->global_context()->jsfunction_result_caches());
   if (jsfunction_result_caches->length() <= cache_id) {
     __ Abort("Attempt to use undefined cache.");
     __ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
     context()->Plug(rax);
     return;
   }
 
   VisitForAccumulatorValue(args->at(1));
 
   Register key = rax;
   Register cache = rbx;
   Register tmp = rcx;
-  __ movq(cache, ContextOperand(rsi, Context::GLOBAL_OBJECT_INDEX));
+  __ movq(cache, ContextOperand(rsi, Context::GLOBAL_INDEX));
   __ movq(cache,
-          FieldOperand(cache, GlobalObject::kNativeContextOffset));
+          FieldOperand(cache, GlobalObject::kGlobalContextOffset));
   __ movq(cache,
           ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX));
   __ movq(cache,
           FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id)));
 
   Label done, not_found;
   // tmp now holds finger offset as a smi.
   STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1);
   __ movq(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset));
   SmiIndex index =
@@ skipping 1026 matching lines @@
 
 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
   __ movq(dst, ContextOperand(rsi, context_index));
 }
 
 
 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
   Scope* declaration_scope = scope()->DeclarationScope();
   if (declaration_scope->is_global_scope() ||
       declaration_scope->is_module_scope()) {
-    // Contexts nested in the native context have a canonical empty function
+    // Contexts nested in the global context have a canonical empty function
     // as their closure, not the anonymous closure containing the global
     // code.  Pass a smi sentinel and let the runtime look up the empty
     // function.
     __ Push(Smi::FromInt(0));
   } else if (declaration_scope->is_eval_scope()) {
     // Contexts created by a call to eval have the same closure as the
     // context calling eval, not the anonymous closure containing the eval
     // code.  Fetch it from the context.
     __ push(ContextOperand(rsi, Context::CLOSURE_INDEX));
   } else {
@@ skipping 97 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64