Introduce x87 port

src/x87/regexp-macro-assembler-x87.h

Index: src/x87/regexp-macro-assembler-x87.h
diff --git a/src/ia32/regexp-macro-assembler-ia32.h b/src/x87/regexp-macro-assembler-x87.h
similarity index 95%
copy from src/ia32/regexp-macro-assembler-ia32.h
copy to src/x87/regexp-macro-assembler-x87.h
index ab5b75b09046ba4b2b709aed57cde03b804a1f98..ee46ac41d4ba38daba5abaa1453207dfa6592318 100644
--- a/src/ia32/regexp-macro-assembler-ia32.h
+++ b/src/x87/regexp-macro-assembler-x87.h
@@ -2,21 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_
-#define V8_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_
+#ifndef V8_X87_REGEXP_MACRO_ASSEMBLER_X87_H_
+#define V8_X87_REGEXP_MACRO_ASSEMBLER_X87_H_
 
-#include "ia32/assembler-ia32.h"
-#include "ia32/assembler-ia32-inl.h"
+#include "x87/assembler-x87.h"
+#include "x87/assembler-x87-inl.h"
 #include "macro-assembler.h"
 
 namespace v8 {
 namespace internal {
 
 #ifndef V8_INTERPRETED_REGEXP
-class RegExpMacroAssemblerIA32: public NativeRegExpMacroAssembler {
+class RegExpMacroAssemblerX87: public NativeRegExpMacroAssembler {
  public:
-  RegExpMacroAssemblerIA32(Mode mode, int registers_to_save, Zone* zone);
-  virtual ~RegExpMacroAssemblerIA32();
+  RegExpMacroAssemblerX87(Mode mode, int registers_to_save, Zone* zone);
+  virtual ~RegExpMacroAssemblerX87();
   virtual int stack_limit_slack();
   virtual void AdvanceCurrentPosition(int by);
   virtual void AdvanceRegister(int reg, int by);
@@ -197,4 +197,4 @@ class RegExpMacroAssemblerIA32: public NativeRegExpMacroAssembler {
 
 }}  // namespace v8::internal
 
-#endif  // V8_IA32_REGEXP_MACRO_ASSEMBLER_IA32_H_
+#endif  // V8_X87_REGEXP_MACRO_ASSEMBLER_X87_H_