aom_ports/emmintrin_compat.h

   1 /*
   2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   3  *
   4  * This source code is subject to the terms of the BSD 2 Clause License and
   5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   6  * was not distributed with this source code in the LICENSE file, you can
   7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   8  * Media Patent License 1.0 was not distributed with this source code in the
   9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  10  */
  11
  12 #ifndef AOM_AOM_PORTS_EMMINTRIN_COMPAT_H_
  13 #define AOM_AOM_PORTS_EMMINTRIN_COMPAT_H_
  14
  15 #if defined(__GNUC__) && __GNUC__ < 4
  16 /* From emmintrin.h (gcc 4.5.3) */
  17 /* Casts between various SP, DP, INT vector types.  Note that these do no
  18    conversion of values, they just change the type.  */
  19 extern __inline __m128
  20     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  21     _mm_castpd_ps(__m128d __A) {
  22   return (__m128)__A;
  23 }
  24
  25 extern __inline __m128i
  26     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  27     _mm_castpd_si128(__m128d __A) {
  28   return (__m128i)__A;
  29 }
  30
  31 extern __inline __m128d
  32     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  33     _mm_castps_pd(__m128 __A) {
  34   return (__m128d)__A;
  35 }
  36
  37 extern __inline __m128i
  38     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  39     _mm_castps_si128(__m128 __A) {
  40   return (__m128i)__A;
  41 }
  42
  43 extern __inline __m128
  44     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  45     _mm_castsi128_ps(__m128i __A) {
  46   return (__m128)__A;
  47 }
  48
  49 extern __inline __m128d
  50     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  51     _mm_castsi128_pd(__m128i __A) {
  52   return (__m128d)__A;
  53 }
  54 #endif
  55
  56 #endif  // AOM_AOM_PORTS_EMMINTRIN_COMPAT_H_