Thumb2 Backend: Make arithmetic instructions set condition codes by default

src/arm/codegen-arm.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 896 matching lines @@
   byte* young_sequence = thumb_mode? GetThumbNoCodeAgeSequence(&young_length) :
                                      GetNoCodeAgeSequence(&young_length);
   if (age == kNoAge) {
     CopyBytes(sequence, young_sequence, young_length);
     CPU::FlushICache(sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(age, parity);
     CodePatcher patcher(sequence, young_length / Assembler::kInstrSize);
     if (thumb_mode) {
       patcher.masm()->set_thumb_mode();
-      patcher.masm()->sub(r0, pc, Operand(3));
+      patcher.masm()->sub(r0, pc, Operand(3), LeaveCC);
       patcher.masm()->ldr(pc, MemOperand(pc, 0));
     } else {
-      patcher.masm()->sub(r0, pc, Operand(8));
+      patcher.masm()->sub(r0, pc, Operand(8), LeaveCC);
       patcher.masm()->ldr(pc, MemOperand(pc, -4));
     }
     patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start()));
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM