Add assembler test.

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 733 matching lines @@
   // doesn't happen.
   void sll(Register rd, Register rt, uint16_t sa, bool coming_from_nop = false);
   void sllv(Register rd, Register rt, Register rs);
   void srl(Register rd, Register rt, uint16_t sa);
   void srlv(Register rd, Register rt, Register rs);
   void sra(Register rt, Register rd, uint16_t sa);
   void srav(Register rt, Register rd, Register rs);
   void rotr(Register rd, Register rt, uint16_t sa);
   void rotrv(Register rd, Register rt, Register rs);
 
+  // Address computing instructions with shift.
+  void lsa(Register rd, Register rt, Register rs, uint8_t sa);
 
   // ------------Memory-instructions-------------
 
   void lb(Register rd, const MemOperand& rs);
   void lbu(Register rd, const MemOperand& rs);
   void lh(Register rd, const MemOperand& rs);
   void lhu(Register rd, const MemOperand& rs);
   void lw(Register rd, const MemOperand& rs);
   void lwl(Register rd, const MemOperand& rs);
   void lwr(Register rd, const MemOperand& rs);
@@ skipping 664 matching lines @@
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM_ASSEMBLER_MIPS_H_