X87: Removed superfluous deopt for ROR on ia32.

src/x87/lithium-codegen-x87.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 1890 matching lines @@
   LOperand* left = instr->left();
   LOperand* right = instr->right();
   DCHECK(left->Equals(instr->result()));
   DCHECK(left->IsRegister());
   if (right->IsRegister()) {
     DCHECK(ToRegister(right).is(ecx));
 
     switch (instr->op()) {
       case Token::ROR:
         __ ror_cl(ToRegister(left));
-        if (instr->can_deopt()) {
-          __ test(ToRegister(left), ToRegister(left));
-          DeoptimizeIf(sign, instr);
-        }
         break;
       case Token::SAR:
         __ sar_cl(ToRegister(left));
         break;
       case Token::SHR:
         __ shr_cl(ToRegister(left));
         if (instr->can_deopt()) {
           __ test(ToRegister(left), ToRegister(left));
           DeoptimizeIf(sign, instr);
         }
@@ skipping 4313 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87