Resubmit - Rewrite color space conversions suite using YASM"

media/base/cpu_features_x86.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Code in this file is taked from
 // third_party/skia/src/opts/opts_check_SSE2.cpp.
 
 // Note that this file cannot be compiled with -msse2 in gcc.
 
 #include "build/build_config.h"
@@ skipping 30 matching lines @@
   // does not use ebx (or rbx) as a GOT register.
   asm volatile (
       "cpuid            \n\t"
       : "=a"(info[0]), "=r"(info[1]), "=c"(info[2]), "=d"(info[3])
       : "a"(info_type)
   );
 #endif
 }
 #endif
 
+bool hasMMX() {
+  // TODO(hclam): Acutually checks it.
+  return true;
+}
+
+bool hasSSE() {
+  // TODO(hclam): Actually checks it.
+  return true;
+}
+
 bool hasSSE2() {
 #if defined(ARCH_CPU_X86_64)
   /* All x86_64 machines have SSE2, so don't even bother checking. */
   return true;
 #else
   int cpu_info[4] = { 0 };
   getcpuid(1, cpu_info);
   return (cpu_info[3] & (1<<26)) != 0;
 #endif
 }
 
 bool hasSSSE3() {
   int cpu_info[4] = { 0 };
   getcpuid(1, cpu_info);
   return (cpu_info[3] & 0x04000000) != 0 && (cpu_info[2] & 0x00000001) != 0 &&
       (cpu_info[2] & 0x00000200) != 0;
 }
 
 }  // namespace media