ARM: Fix bugs in softfloat code path.

src/arm/macro-assembler-arm.h

 // 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 942 matching lines @@
                      Register input_high,
                      DwVfpRegister double_scratch,
                      Label* done,
                      Label* exact);
 
   // Performs a truncating conversion of a heap floating point number as used by
   // the JS bitwise operations. See ECMA-262 9.5: ToInt32.
   // Exits with 'result' holding the answer.
   void ECMAConvertNumberToInt32(Register source,
                                 Register result,
+                                Register input_low,
+                                Register input_high,
                                 Register scratch,
-                                Register input_high,
-                                Register input_low,
                                 DwVfpRegister double_scratch1,
                                 DwVfpRegister double_scratch2);
 
   // Performs a truncating conversion of a floating point number as used by
   // the JS bitwise operations. See ECMA-262 9.5: ToInt32.
   // Exits with 'result' holding the answer and all other registers clobbered.
   void ECMAToInt32VFP(Register result,
                       DwVfpRegister double_input,
                       DwVfpRegister double_scratch,
                       Register scratch,
@@ skipping 463 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_