Add X32 port into V8

src/regexp-macro-assembler.h

 // Copyright 2012 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 37 matching lines @@
 
   static const int kTableSizeBits = 7;
   static const int kTableSize = 1 << kTableSizeBits;
   static const int kTableMask = kTableSize - 1;
 
   enum IrregexpImplementation {
     kIA32Implementation,
     kARMImplementation,
     kMIPSImplementation,
     kX64Implementation,
+    kX32Implementation,
     kBytecodeImplementation
   };
 
   enum StackCheckFlag {
     kNoStackLimitCheck = false,
     kCheckStackLimit = true
   };
 
   explicit RegExpMacroAssembler(Zone* zone);
   virtual ~RegExpMacroAssembler();
@@ skipping 182 matching lines @@
                         int* output,
                         int output_size,
                         Isolate* isolate);
 };
 
 #endif  // V8_INTERPRETED_REGEXP
 
 } }  // namespace v8::internal
 
 #endif  // V8_REGEXP_MACRO_ASSEMBLER_H_