Lift MEDIA_MMX_INTRINSICS_AVAILABLE definition to header and use it to condition media_unittests

media/base/yuv_convert.cc

 // Copyright (c) 2012 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.
 
 // This webpage shows layout of YV12 and other YUV formats
 // http://www.fourcc.org/yuv.php
 // The actual conversion is best described here
 // http://en.wikipedia.org/wiki/YUV
 // An article on optimizing YUV conversion using tables instead of multiplies
 // http://lestourtereaux.free.fr/papers/data/yuvrgb.pdf
@@ skipping 15 matching lines @@
 #include "media/base/simd/filter_yuv.h"
 
 #if defined(ARCH_CPU_X86_FAMILY)
 #if defined(COMPILER_MSVC)
 #include <intrin.h>
 #else
 #include <mmintrin.h>
 #endif
 #endif
 
-// Visual Studio 2010 does not support MMX intrinsics on x64.
-// Some win64 yuv_convert code paths use SSE+MMX yasm, so without rewriting
-// them, we use yasm EmptyRegisterState_MMX in place of _mm_empty() or
-// hide the versions implemented with heavy use of MMX intrinsics.
-// TODO(wolenetz): Use MMX intrinsics when compiling win64 with Visual
-// Studio 2012? http://crbug.com/173450
-#if !(defined(ARCH_CPU_X86_64) && defined(COMPILER_MSVC))
-#define MEDIA_MMX_INTRINSICS_AVAILABLE
-#endif
-
 // Assembly functions are declared without namespace.
 extern "C" {
 void EmptyRegisterState_MMX();
 }  // extern "C"
 
 namespace media {
 
 static FilterYUVRowsProc ChooseFilterYUVRowsProc() {
 #if defined(ARCH_CPU_X86_FAMILY)
   base::CPU cpu;
@@ skipping 551 matching lines @@
     else
       convert_proc = &ConvertYUVToRGB32_C;
   }
 
   convert_proc(yplane, uplane, vplane, rgbframe,
                width, height, ystride, uvstride, rgbstride, yuv_type);
 #endif
 }
 
 }  // namespace media