Avoid a call to the runtime system when doing binary fp ops on ARM...

src/debug-arm.cc

 // Copyright 2006-2008 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 40 matching lines @@
 }
 
 
 bool Debug::IsDebugBreakAtReturn(RelocInfo* rinfo) {
   ASSERT(RelocInfo::IsJSReturn(rinfo->rmode()));
   // Currently debug break is not supported in frame exit code on ARM.
   return false;
 }
 
 
-#define __ masm->
+#define __ DEFINE_MASM(masm)
 
 
 static void Generate_DebugBreakCallHelper(MacroAssembler* masm,
                                           RegList pointer_regs) {
   // Save the content of all general purpose registers in memory. This copy in
   // memory is later pushed onto the JS expression stack for the fake JS frame
   // generated and also to the C frame generated on top of that. In the JS
   // frame ONLY the registers containing pointers will be pushed on the
   // expression stack. This causes the GC to update these  pointers so that
   // they will have the correct value when returning from the debugger.
@@ skipping 114 matching lines @@
 
 void Debug::GenerateStubNoRegistersDebugBreak(MacroAssembler* masm) {
   // Generate nothing as CodeStub CallFunction is not used on ARM.
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal