X64 implementation: comparison operations.

src/x64/macro-assembler-x64.cc

 // Copyright 2009 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 291 matching lines @@
   movq(dst, kScratchRegister);
 }
 
 
 void MacroAssembler::Cmp(Register dst, Handle<Object> source) {
   Move(kScratchRegister, source);
   cmpq(dst, kScratchRegister);
 }
 
 
+void MacroAssembler::Cmp(const Operand& dst, Handle<Object> source) {
+  Move(kScratchRegister, source);
+  cmpq(dst, kScratchRegister);
+}
+
+
 void MacroAssembler::Push(Handle<Object> source) {
   Move(kScratchRegister, source);
   push(kScratchRegister);
 }
 
 
 void MacroAssembler::Jump(ExternalReference ext) {
   movq(kScratchRegister, ext);
   jmp(kScratchRegister);
 }
@@ skipping 501 matching lines @@
   push(rcx);
 
   // Clear the top frame.
   ExternalReference c_entry_fp_address(Top::k_c_entry_fp_address);
   movq(kScratchRegister, c_entry_fp_address);
   movq(Operand(kScratchRegister, 0), Immediate(0));
 }
 
 
 } }  // namespace v8::internal