Introduce MoveReturnAddress instruction into X64 Macro Assembler

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index be8160b7d396124a2eba98eadebe14bbdc65b7da..c2f62afeb052d7efd20991ecf1bbc21008804683 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -3260,7 +3260,7 @@ void InstanceofStub::Generate(MacroAssembler* masm) {
     __ StoreRoot(rax, Heap::kInstanceofCacheMapRootIndex);
   } else {
     // Get return address and delta to inlined map check.
-    __ movq(kScratchRegister, StackOperandForReturnAddress(0));
+    __ MoveReturnAddress(kScratchRegister, Operand(rsp, 0));
     __ subq(kScratchRegister, args.GetArgumentOperand(2));
     if (FLAG_debug_code) {
       __ movl(rdi, Immediate(kWordBeforeMapCheckValue));
@@ -3301,7 +3301,7 @@ void InstanceofStub::Generate(MacroAssembler* masm) {
     // Assert it is a 1-byte signed value.
     ASSERT(true_offset >= 0 && true_offset < 0x100);
     __ movl(rax, Immediate(true_offset));
-    __ movq(kScratchRegister, StackOperandForReturnAddress(0));
+    __ MoveReturnAddress(kScratchRegister, Operand(rsp, 0));
     __ subq(kScratchRegister, args.GetArgumentOperand(2));
     __ movb(Operand(kScratchRegister, kOffsetToResultValue), rax);
     if (FLAG_debug_code) {
@@ -3324,7 +3324,7 @@ void InstanceofStub::Generate(MacroAssembler* masm) {
     // Assert it is a 1-byte signed value.
     ASSERT(false_offset >= 0 && false_offset < 0x100);
     __ movl(rax, Immediate(false_offset));
-    __ movq(kScratchRegister, StackOperandForReturnAddress(0));
+    __ MoveReturnAddress(kScratchRegister, Operand(rsp, 0));
     __ subq(kScratchRegister, args.GetArgumentOperand(2));
     __ movb(Operand(kScratchRegister, kOffsetToResultValue), rax);
     if (FLAG_debug_code) {