Move regexp implementation into its own folder.

src/regexp/bytecodes-irregexp.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
-#ifndef V8_BYTECODES_IRREGEXP_H_
-#define V8_BYTECODES_IRREGEXP_H_
+#ifndef V8_REGEXP_BYTECODES_IRREGEXP_H_
+#define V8_REGEXP_BYTECODES_IRREGEXP_H_
 
 namespace v8 {
 namespace internal {
 
 
 const int BYTECODE_MASK = 0xff;
 // The first argument is packed in with the byte code in one word, but so it
 // has 24 bits, but it can be positive and negative so only use 23 bits for
 // positive values.
 const unsigned int MAX_FIRST_ARG = 0x7fffffu;
@@ skipping 53 matching lines @@
   static const int BC_##name = code;
 BYTECODE_ITERATOR(DECLARE_BYTECODES)
 #undef DECLARE_BYTECODES
 
 #define DECLARE_BYTECODE_LENGTH(name, code, length) \
   static const int BC_##name##_LENGTH = length;
 BYTECODE_ITERATOR(DECLARE_BYTECODE_LENGTH)
 #undef DECLARE_BYTECODE_LENGTH
 } }
 
-#endif  // V8_BYTECODES_IRREGEXP_H_
+#endif  // V8_REGEXP_BYTECODES_IRREGEXP_H_