Introduce ENABLE_LATIN_1 compile flag

test/cctest/test-hashing.cc

 // Copyright 2011 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 31 matching lines @@
 using namespace v8::internal;
 
 
 typedef uint32_t (*HASH_FUNCTION)();
 
 static v8::Persistent<v8::Context> env;
 
 #define __ masm->
 
 
-void generate(MacroAssembler* masm, i::Vector<const char> string) {
+void generate(MacroAssembler* masm, i::Vector<const uint8_t> string) {
   // GenerateHashInit takes the first character as an argument so it can't
   // handle the zero length string.
   ASSERT(string.length() > 0);
 #ifdef V8_TARGET_ARCH_IA32
   __ push(ebx);
   __ push(ecx);
   __ mov(eax, Immediate(0));
   __ mov(ebx, Immediate(string.at(0)));
   StringHelper::GenerateHashInit(masm, eax, ebx, ecx);
   for (int i = 1; i < string.length(); i++) {
@@ skipping 82 matching lines @@
   __ InitializeRootRegister();
   __ li(v0, Operand(key));
   __ GetNumberHash(v0, t1);
   __ pop(kRootRegister);
   __ jr(ra);
   __ nop();
 #endif
 }
 
 
-void check(i::Vector<const char> string) {
+void check(i::Vector<const uint8_t> string) {
   v8::HandleScope scope;
   v8::internal::byte buffer[2048];
   MacroAssembler masm(Isolate::Current(), buffer, sizeof buffer);
 
   generate(&masm, string);
 
   CodeDesc desc;
   masm.GetCode(&desc);
   Code* code = Code::cast(HEAP->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),
       Handle<Object>(HEAP->undefined_value()))->ToObjectChecked());
   CHECK(code->IsCode());
 
   HASH_FUNCTION hash = FUNCTION_CAST<HASH_FUNCTION>(code->entry());
-  Handle<String> v8_string = FACTORY->NewStringFromAscii(string);
+  Handle<String> v8_string = FACTORY->NewStringFromOneByte(string);
   v8_string->set_hash_field(String::kEmptyHashField);
 #ifdef USE_SIMULATOR
   uint32_t codegen_hash =
       reinterpret_cast<uint32_t>(CALL_GENERATED_CODE(hash, 0, 0, 0, 0, 0));
 #else
   uint32_t codegen_hash = hash();
 #endif
   uint32_t runtime_hash = v8_string->Hash();
   CHECK(runtime_hash == codegen_hash);
 }
 
 
+void check(i::Vector<const char> s) {
+  check(i::Vector<const uint8_t>::cast(s));
+}
+
+
 void check(uint32_t key) {
   v8::HandleScope scope;
   v8::internal::byte buffer[2048];
   MacroAssembler masm(Isolate::Current(), buffer, sizeof buffer);
 
   generate(&masm, key);
 
   CodeDesc desc;
   masm.GetCode(&desc);
   Code* code = Code::cast(HEAP->CreateCode(
@@ skipping 10 matching lines @@
   uint32_t codegen_hash = hash();
 #endif
 
   uint32_t runtime_hash = ComputeIntegerHash(
       key,
       Isolate::Current()->heap()->HashSeed());
   CHECK(runtime_hash == codegen_hash);
 }
 
 
-void check_twochars(char a, char b) {
-  char ab[2] = {a, b};
-  check(i::Vector<const char>(ab, 2));
+void check_twochars(uint8_t a, uint8_t b) {
+  uint8_t ab[2] = {a, b};
+  check(i::Vector<const uint8_t>(ab, 2));
 }
 
 
 static uint32_t PseudoRandom(uint32_t i, uint32_t j) {
   return ~(~((i * 781) ^ (j * 329)));
 }
 
 
 TEST(StringHash) {
   if (env.IsEmpty()) env = v8::Context::New();
-  for (int a = 0; a < String::kMaxAsciiCharCode; a++) {
+  for (int a = 0; a < String::kMaxOneByteCharCode; a++) {
     // Numbers are hashed differently.
     if (a >= '0' && a <= '9') continue;
-    for (int b = 0; b < String::kMaxAsciiCharCode; b++) {
+    for (int b = 0; b < String::kMaxOneByteCharCode; b++) {
       if (b >= '0' && b <= '9') continue;
-      check_twochars(static_cast<char>(a), static_cast<char>(b));
+      check_twochars(static_cast<uint8_t>(a), static_cast<uint8_t>(b));
     }
   }
   check(i::Vector<const char>("*",       1));
   check(i::Vector<const char>(".zZ",     3));
   check(i::Vector<const char>("muc",     3));
   check(i::Vector<const char>("(>'_')>", 7));
   check(i::Vector<const char>("-=[ vee eight ftw ]=-", 21));
 }
 
 
 TEST(NumberHash) {
   if (env.IsEmpty()) env = v8::Context::New();
 
   // Some specific numbers
   for (uint32_t key = 0; key < 42; key += 7) {
     check(key);
   }
 
   // Some pseudo-random numbers
   static const uint32_t kLimit = 1000;
   for (uint32_t i = 0; i < 5; i++) {
     for (uint32_t j = 0; j < 5; j++) {
       check(PseudoRandom(i, j) % kLimit);
     }
   }
 }
 
 #undef __