Thumb2 Backend: Make arithmetic instructions set condition codes by default

src/arm/builtins-arm.cc

Index: src/arm/builtins-arm.cc
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index d90e31ba1f40b561eefc55189a64be3b2a20e27b..25f09692acebd9e4c8e4f788574086b48e576fd2 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -1,3 +1,6 @@
+// Copyright (c) 2013 Qualcomm Technologies, Inc.  All Rights Reserved.
+// Qualcomm Technologies Proprietary and Confidential.
+
 // 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
@@ -1406,7 +1409,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
     __ ldr(ip, MemOperand(r0, 0));
     __ push(ip);
     __ cmp(r0, r2);  // Compare before moving to next argument.
-    __ sub(r0, r0, Operand(kPointerSize));
+    __ sub(r0, r0, Operand(kPointerSize), LeaveCC);
     __ b(ne, &copy);
 
     __ b(&invoke);
@@ -1434,7 +1437,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
     __ ldr(ip, MemOperand(r0, 2 * kPointerSize));
     __ push(ip);
     __ cmp(r0, fp);  // Compare before moving to next argument.
-    __ sub(r0, r0, Operand(kPointerSize));
+    __ sub(r0, r0, Operand(kPointerSize), LeaveCC);
     __ b(ne, &copy);
 
     // Fill the remaining expected arguments with undefined.