[full-codegen] Reload context register after intrinsic call.

src/full-codegen/x64/full-codegen-x64.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_X64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3792 matching lines @@
     __ JumpIfSmi(rax, if_false);
     __ movp(rax, FieldOperand(rax, HeapObject::kMapOffset));
     __ testb(FieldOperand(rax, Map::kBitFieldOffset),
              Immediate(1 << Map::kIsUndetectable));
     Split(not_zero, if_true, if_false, fall_through);
   }
   context()->Plug(if_true, if_false);
 }
 
 
-void FullCodeGenerator::VisitThisFunction(ThisFunction* expr) {
-  __ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
-  context()->Plug(rax);
-}
-
-
 Register FullCodeGenerator::result_register() {
   return rax;
 }
 
 
 Register FullCodeGenerator::context_register() {
   return rsi;
 }
 
+void FullCodeGenerator::LoadFromFrameField(int frame_offset, Register value) {
+  DCHECK(IsAligned(frame_offset, kPointerSize));
+  __ movp(value, Operand(rbp, frame_offset));
+}
 
 void FullCodeGenerator::StoreToFrameField(int frame_offset, Register value) {
   DCHECK(IsAligned(frame_offset, kPointerSize));
   __ movp(Operand(rbp, frame_offset), value);
 }
 
 
 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
   __ movp(dst, ContextOperand(rsi, context_index));
 }
@@ skipping 151 matching lines @@
   DCHECK_EQ(
       isolate->builtins()->OnStackReplacement()->entry(),
       Assembler::target_address_at(call_target_address, unoptimized_code));
   return ON_STACK_REPLACEMENT;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64