Introduce ENABLE_LATIN_1 compile flag

src/mips/code-stubs-mips.cc

 // 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 5695 matching lines @@
 // StringCharFromCodeGenerator
 
 void StringCharFromCodeGenerator::GenerateFast(MacroAssembler* masm) {
   // Fast case of Heap::LookupSingleCharacterStringFromCode.
 
   ASSERT(!t0.is(result_));
   ASSERT(!t0.is(code_));
 
   STATIC_ASSERT(kSmiTag == 0);
   STATIC_ASSERT(kSmiShiftSize == 0);
-  ASSERT(IsPowerOf2(String::kMaxAsciiCharCode + 1));
+  ASSERT(IsPowerOf2(String::kMaxOneByteCharCode + 1));
   __ And(t0,
          code_,
          Operand(kSmiTagMask |
-                 ((~String::kMaxAsciiCharCode) << kSmiTagSize)));
+                 ((~String::kMaxOneByteCharCode) << kSmiTagSize)));
   __ Branch(&slow_case_, ne, t0, Operand(zero_reg));
 
   __ LoadRoot(result_, Heap::kSingleCharacterStringCacheRootIndex);
   // At this point code register contains smi tagged ASCII char code.
   STATIC_ASSERT(kSmiTag == 0);
   __ sll(t0, code_, kPointerSizeLog2 - kSmiTagSize);
   __ Addu(result_, result_, t0);
   __ lw(result_, FieldMemOperand(result_, FixedArray::kHeaderSize));
   __ LoadRoot(t0, Heap::kUndefinedValueRootIndex);
   __ Branch(&slow_case_, eq, result_, Operand(t0));
@@ skipping 2082 matching lines @@
   __ Pop(ra, t1, a1);
   __ Ret();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS