MIPS: Added the stop() instruction with same behavior as on Arm simulator.

src/mips/assembler-mips.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 657 matching lines @@
   void sb(Register rd, const MemOperand& rs);
   void sh(Register rd, const MemOperand& rs);
   void sw(Register rd, const MemOperand& rs);
   void swl(Register rd, const MemOperand& rs);
   void swr(Register rd, const MemOperand& rs);
 
 
   //-------------Misc-instructions--------------
 
   // Break / Trap instructions.
-  void break_(uint32_t code);
+  void break_(uint32_t code, bool break_as_stop = false);
+  void stop(const char* msg, uint32_t code = kMaxStopCode);
   void tge(Register rs, Register rt, uint16_t code);
   void tgeu(Register rs, Register rt, uint16_t code);
   void tlt(Register rs, Register rt, uint16_t code);
   void tltu(Register rs, Register rt, uint16_t code);
   void teq(Register rs, Register rt, uint16_t code);
   void tne(Register rs, Register rt, uint16_t code);
 
   // Move from HI/LO register.
   void mfhi(Register rd);
   void mflo(Register rd);
@@ skipping 440 matching lines @@
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_MIPS_H_