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 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #include <xmmintrin.h>

 #include <emmintrin.h>

 /* Before Nehalem _mm_loadu_si128 could be very slow, this trick is a little

  * faster. Once enough people are on architectures where _mm_loadu_si128 is

  * fast we can migrate to it.

  */

 MOZ_ALWAYS_INLINE __m128i loadUnaligned128(const __m128i *aSource)

 {

   // Yes! We use uninitialized memory here, we'll overwrite it though!

   __m128 res = _mm_loadl_pi(_mm_set1_ps(0), (const __m64*)aSource);

   return _mm_castps_si128(_mm_loadh_pi(res, ((const __m64*)(aSource)) + 1));

 }