Introduce x87 port

src/regexp-macro-assembler.h

 // Copyright 2012 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_REGEXP_MACRO_ASSEMBLER_H_
 #define V8_REGEXP_MACRO_ASSEMBLER_H_
 
 #include "ast.h"
 
 namespace v8 {
@@ skipping 15 matching lines @@
   static const int kTableSizeBits = 7;
   static const int kTableSize = 1 << kTableSizeBits;
   static const int kTableMask = kTableSize - 1;
 
   enum IrregexpImplementation {
     kIA32Implementation,
     kARMImplementation,
     kARM64Implementation,
     kMIPSImplementation,
     kX64Implementation,
+    kX87Implementation,
     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_