Simplify mint comparison code on ARM.

runtime/vm/intermediate_language_ia32.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 505 matching lines @@
       lo_cond = BELOW_EQUAL;
       break;
     case Token::kGTE:
       hi_cond = GREATER;
       lo_cond = ABOVE_EQUAL;
       break;
     default:
       break;
   }
   ASSERT(hi_cond != OVERFLOW && lo_cond != OVERFLOW);
-  Label is_true, is_false;
   // Compare upper halves first.
   __ cmpl(left2, right2);
   __ j(hi_cond, labels.true_label);
   __ j(FlipCondition(hi_cond), labels.false_label);
 
   // If upper is equal, compare lower half.
   __ cmpl(left1, right1);
   return lo_cond;
 }
 
@@ skipping 6263 matching lines @@
 #if defined(DEBUG)
   __ movl(EDX, Immediate(kInvalidObjectPointer));
 #endif
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_IA32