Start IA32 implemenetation of regexp2k

regexp2000/src/assembler-ia32.h

Index: regexp2000/src/assembler-ia32.h
diff --git a/regexp2000/src/assembler-ia32.h b/regexp2000/src/assembler-ia32.h
index 9647446e7040a80e63021b20be855f4e16f2ac90..3a8bae940dbeaa707df5a29a7ffa60ba37f2dd7c 100644
--- a/regexp2000/src/assembler-ia32.h
+++ b/regexp2000/src/assembler-ia32.h
@@ -444,6 +444,9 @@ class Assembler : public Malloced {
   void pop(Register dst);
   void pop(const Operand& dst);
 
+  void enter(const Immediate& size);
+  void leave();
+
   // Moves
   void mov_b(Register dst, const Operand& src);
   void mov_b(const Operand& dst, int8_t imm8);
@@ -491,6 +494,9 @@ class Assembler : public Malloced {
   void cmp(Register reg, const Operand& op);
   void cmp(const Operand& op, const Immediate& imm);
 
+  void rep_cmpsb();
+  void rep_cmpsw();
+
   void dec_b(Register dst);
 
   void dec(Register dst);
@@ -550,6 +556,7 @@ class Assembler : public Malloced {
   void xor_(const Operand& dst, const Immediate& x);
 
   // Bit operations.
+  void bt(const Operand& dst, Register src);
   void bts(const Operand& dst, Register src);
 
   // Miscellaneous
@@ -558,7 +565,6 @@ class Assembler : public Malloced {
   void nop();
   void rdtsc();
   void ret(int imm16);
-  void leave();
 
   // Label operations & relative jumps (PPUM Appendix D)
   //
@@ -748,6 +754,7 @@ class Assembler : public Malloced {
   inline void emit(Handle<Object> handle);
   inline void emit(uint32_t x, RelocInfo::Mode rmode);
   inline void emit(const Immediate& x);
+  inline void emit_w(const Immediate& x);
 
   // instruction generation
   void emit_arith_b(int op1, int op2, Register dst, int imm8);