* Removed rep cmpsb everywhere in irregexp-ia32

src/assembler-ia32.cc

 // 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 848 matching lines @@
 }
 
 
 void Assembler::cmp(const Operand& op, const Immediate& imm) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_arith(7, op, imm);
 }
 
 
+void Assembler::cld() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xFC);  // CLD to ensure forward operation
+}
+
+
+void Assembler::cmpb_al(const Operand& op) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0x38);  // CMP r/m8, r8
+  emit_operand(eax, op);  // eax has same code as register al.
+}
+
+
+void Assembler::cmpw_ax(const Operand& op) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0x66);
+  EMIT(0x39);  // CMP r/m16, r16
+  emit_operand(eax, op);  // eax has same code as register ax.
+}
+
+
+void Assembler::cmpsb() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xA6);  // CMPSB
+}
+
+
 void Assembler::rep_cmpsb() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   EMIT(0xFC);  // CLD to ensure forward operation
   EMIT(0xF3);  // REP
   EMIT(0xA6);  // CMPSB
 }
 
 void Assembler::rep_cmpsw() {
   EnsureSpace ensure_space(this);
@@ skipping 1254 matching lines @@
   ASSERT(bound_label.is_bound());
   ASSERT(0 <= position);
   ASSERT(position + static_cast<int>(sizeof(uint32_t)) <= pc_offset());
   ASSERT(long_at(position) == 0);  // only initialize once!
 
   uint32_t label_loc = reinterpret_cast<uint32_t>(addr_at(bound_label.pos()));
   long_at_put(position, label_loc);
 }
 
 } }  // namespace v8::internal