X87: Remove dead code for inline string hashing.

src/x87/code-stubs-x87.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_X87_CODE_STUBS_X87_H_
 #define V8_X87_CODE_STUBS_X87_H_
 
 #include "src/code-stubs.h"
 
 namespace v8 {
@@ skipping 10 matching lines @@
   // Generate code for copying characters using the rep movs instruction.
   // Copies ecx characters from esi to edi. Copying of overlapping regions is
   // not supported.
   static void GenerateCopyCharacters(MacroAssembler* masm,
                                      Register dest,
                                      Register src,
                                      Register count,
                                      Register scratch,
                                      String::Encoding encoding);
 
-  // Generate string hash.
-  static void GenerateHashInit(MacroAssembler* masm,
-                               Register hash,
-                               Register character,
-                               Register scratch);
-
-  static void GenerateHashAddCharacter(MacroAssembler* masm,
-                                       Register hash,
-                                       Register character,
-                                       Register scratch);
-
-  static void GenerateHashGetHash(MacroAssembler* masm,
-                                  Register hash,
-                                  Register scratch);
-
   // Compares two flat ASCII strings and returns result in eax.
   static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm,
                                               Register left, Register right,
                                               Register scratch1,
                                               Register scratch2,
                                               Register scratch3);
 
   // Compares two flat ASCII strings for equality and returns result in eax.
   static void GenerateFlatAsciiStringEquals(MacroAssembler* masm,
                                             Register left,
@@ skipping 319 matching lines @@
 
   RegisterAllocation regs_;
 
   DISALLOW_COPY_AND_ASSIGN(RecordWriteStub);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X87_CODE_STUBS_X87_H_