* Fixes and tweaks to regexp-ia32.

src/assembler-ia32.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 171 matching lines @@
   inline explicit Immediate(int x);
   inline explicit Immediate(const char* s);
   inline explicit Immediate(const ExternalReference& ext);
   inline explicit Immediate(Handle<Object> handle);
   inline explicit Immediate(Smi* value);
 
   bool is_zero() const { return x_ == 0 && rmode_ == RelocInfo::NONE; }
   bool is_int8() const {
     return -128 <= x_ && x_ < 128 && rmode_ == RelocInfo::NONE;
   }
+  bool is_int16() const {
+    return -32768 <= x_ && x_ < 32768 && rmode_ == RelocInfo::NONE;
+  }
 
  private:
   int x_;
   RelocInfo::Mode rmode_;
 
   friend class Assembler;
 };
 
 
 // -----------------------------------------------------------------------------
@@ skipping 284 matching lines @@
   void adc(Register dst, const Operand& src);
 
   void add(Register dst, const Operand& src);
   void add(const Operand& dst, const Immediate& x);
 
   void and_(Register dst, int32_t imm32);
   void and_(Register dst, const Operand& src);
   void and_(const Operand& src, Register dst);
   void and_(const Operand& dst, const Immediate& x);
 
+  void cmpb(const Operand& op, int8_t imm8);
+  void cmpw(const Operand& op, Immediate imm16);
   void cmp(Register reg, int32_t imm32);
   void cmp(Register reg, Handle<Object> handle);
   void cmp(Register reg, const Operand& op);
   void cmp(const Operand& op, const Immediate& imm);
 
   void rep_cmpsb();
-  void rep_cmpsl();
+  void rep_cmpsw();
 
   void dec_b(Register dst);
 
   void dec(Register dst);
   void dec(const Operand& dst);
 
   void cdq();
 
   void idiv(Register src);
 
@@ skipping 302 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_IA32_H_