xref: /aosp_15_r20/external/libaom/aom_ports/emmintrin_compat.h (revision 77c1e3ccc04c968bd2bc212e87364f250e820521)

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

#ifndef AOM_AOM_PORTS_EMMINTRIN_COMPAT_H_
#define AOM_AOM_PORTS_EMMINTRIN_COMPAT_H_

#if defined(__GNUC__) && __GNUC__ < 4
/* From emmintrin.h (gcc 4.5.3) */
/* Casts between various SP, DP, INT vector types.  Note that these do no
   conversion of values, they just change the type.  */
extern __inline __m128
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    _mm_castpd_ps(__m128d __A) {
  return (__m128)__A;
}

extern __inline __m128i
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    _mm_castpd_si128(__m128d __A) {
  return (__m128i)__A;
}

extern __inline __m128d
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    _mm_castps_pd(__m128 __A) {
  return (__m128d)__A;
}

extern __inline __m128i
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    _mm_castps_si128(__m128 __A) {
  return (__m128i)__A;
}

extern __inline __m128
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    _mm_castsi128_ps(__m128i __A) {
  return (__m128)__A;
}

extern __inline __m128d
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    _mm_castsi128_pd(__m128i __A) {
  return (__m128d)__A;
}
#endif

#endif  // AOM_AOM_PORTS_EMMINTRIN_COMPAT_H_