Introduce MoveInteger64 instruction into X64 Macro Assembler

src/x64/macro-assembler-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 3098 matching lines @@
   DoubleToIStub stub(input_reg, result_reg, offset, true);
   call(stub.GetCode(isolate()), RelocInfo::CODE_TARGET);
 }
 
 
 void MacroAssembler::TruncateHeapNumberToI(Register result_reg,
                                            Register input_reg) {
   Label done;
   movsd(xmm0, FieldOperand(input_reg, HeapNumber::kValueOffset));
   cvttsd2siq(result_reg, xmm0);
-  Set(kScratchRegister, V8_UINT64_C(0x8000000000000000));
+  MoveInteger64(kScratchRegister, V8_UINT64_C(0x8000000000000000));
   cmpq(result_reg, kScratchRegister);
   j(not_equal, &done, Label::kNear);
 
   // Slow case.
   if (input_reg.is(result_reg)) {
     subq(rsp, Immediate(kDoubleSize));
     movsd(MemOperand(rsp, 0), xmm0);
     SlowTruncateToI(result_reg, rsp, 0);
     addq(rsp, Immediate(kDoubleSize));
   } else {
     SlowTruncateToI(result_reg, input_reg);
   }
 
   bind(&done);
 }
 
 
 void MacroAssembler::TruncateDoubleToI(Register result_reg,
                                        XMMRegister input_reg) {
   Label done;
   cvttsd2siq(result_reg, input_reg);
-  movq(kScratchRegister, V8_INT64_C(0x8000000000000000));
+  MoveInteger64(kScratchRegister, V8_INT64_C(0x8000000000000000));
   cmpq(result_reg, kScratchRegister);
   j(not_equal, &done, Label::kNear);
 
   subq(rsp, Immediate(kDoubleSize));
   movsd(MemOperand(rsp, 0), input_reg);
   SlowTruncateToI(result_reg, rsp, 0);
   addq(rsp, Immediate(kDoubleSize));
 
   bind(&done);
 }
@@ skipping 129 matching lines @@
   if (emit_debug_code()) {
     Condition is_smi = CheckSmi(object);
     Check(is_smi, kOperandIsNotASmi);
   }
 }
 
 
 void MacroAssembler::AssertZeroExtended(Register int32_register) {
   if (emit_debug_code()) {
     ASSERT(!int32_register.is(kScratchRegister));
-    movq(kScratchRegister, V8_INT64_C(0x0000000100000000));
+    MoveInteger64(kScratchRegister, V8_INT64_C(0x0000000100000000));
     cmpq(kScratchRegister, int32_register);
     Check(above_equal, k32BitValueInRegisterIsNotZeroExtended);
   }
 }
 
 
 void MacroAssembler::AssertString(Register object) {
   if (emit_debug_code()) {
     testb(object, Immediate(kSmiTagMask));
     Check(not_equal, kOperandIsASmiAndNotAString);
@@ skipping 1705 matching lines @@
   j(equal, found);
   movq(current, FieldOperand(current, Map::kPrototypeOffset));
   CompareRoot(current, Heap::kNullValueRootIndex);
   j(not_equal, &loop_again);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64