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

src/disasm-arm.cc

 // Copyright 2007-2008 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 243 matching lines @@
   switch (swi) {
     case call_rt_r5:
       Print("call_rt_r5");
       return;
     case call_rt_r2:
       Print("call_rt_r2");
       return;
     case break_point:
       Print("break_point");
       return;
+    case simulator_fp_add:
+      Print("simulator_fp_add");
+      return;
+    case simulator_fp_mul:
+      Print("simulator_fp_mul");
+      return;
+    case simulator_fp_sub:
+      Print("simulator_fp_sub");
+      return;
     default:
       out_buffer_pos_ += v8i::OS::SNPrintF(out_buffer_ + out_buffer_pos_,
                                            "%d",
                                            swi);
       return;
   }
 }
 
 
 // Handle all register based formatting in this function to reduce the
@@ skipping 608 matching lines @@
     buffer[0] = '\0';
     byte* prev_pc = pc;
     pc += d.InstructionDecode(buffer, pc);
     fprintf(f, "%p    %08x      %s\n",
             prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }
 
 
 }  // namespace disasm