X64: Fix bug in minus-zero check after int32 multiplication.

src/x64/lithium-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 975 matching lines @@
   if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
     // Bail out if the result is supposed to be negative zero.
     Label done;
     __ testl(left, left);
     __ j(not_zero, &done, Label::kNear);
     if (right->IsConstantOperand()) {
       if (ToInteger32(LConstantOperand::cast(right)) <= 0) {
         DeoptimizeIf(no_condition, instr->environment());
       }
     } else if (right->IsStackSlot()) {
-      __ or_(kScratchRegister, ToOperand(right));
+      __ orl(kScratchRegister, ToOperand(right));
       DeoptimizeIf(sign, instr->environment());
     } else {
       // Test the non-zero operand for negative sign.
-      __ or_(kScratchRegister, ToRegister(right));
+      __ orl(kScratchRegister, ToRegister(right));
       DeoptimizeIf(sign, instr->environment());
     }
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoBitI(LBitI* instr) {
   LOperand* left = instr->InputAt(0);
   LOperand* right = instr->InputAt(1);
@@ skipping 3394 matching lines @@
   RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt);
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64