RegExp bitmap test for word character.

src/x64/assembler-x64.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 913 matching lines @@
     immediate_arithmetic_op_32(0x5, dst, src);
   }
 
   void subb(Register dst, Immediate src) {
     immediate_arithmetic_op_8(0x5, dst, src);
   }
 
   void testb(Register dst, Register src);
   void testb(Register reg, Immediate mask);
   void testb(const Operand& op, Immediate mask);
+  void testb(const Operand& op, Register reg);
   void testl(Register dst, Register src);
   void testl(Register reg, Immediate mask);
   void testl(const Operand& op, Immediate mask);
   void testq(const Operand& op, Register reg);
   void testq(Register dst, Register src);
   void testq(Register dst, Immediate mask);
 
   void xor_(Register dst, Register src) {
     if (dst.code() == src.code()) {
       arithmetic_op_32(0x33, dst, src);
@@ skipping 446 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_