chromium/third_party/webrtc/common_audio/third_party/ooura/fft_size_128/ooura_fft_sse2.cc

/*
 *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include <emmintrin.h>
#include <xmmintrin.h>

#include "common_audio/third_party/ooura/fft_size_128/ooura_fft.h"
#include "common_audio/third_party/ooura/fft_size_128/ooura_fft_tables_common.h"
#include "common_audio/third_party/ooura/fft_size_128/ooura_fft_tables_neon_sse2.h"
#include "rtc_base/system/arch.h"

namespace webrtc {

#if defined(WEBRTC_ARCH_X86_FAMILY)

namespace {
// These intrinsics were unavailable before VS 2008.
// TODO(andrew): move to a common file.
#if defined(_MSC_VER) && _MSC_VER < 1500
static __inline __m128 _mm_castsi128_ps(__m128i a) {
  return *(__m128*)&a;
}
static __inline __m128i _mm_castps_si128(__m128 a) {
  return *(__m128i*)&a;
}
#endif

}  // namespace

void cft1st_128_SSE2(float* a) { … }

void cftmdl_128_SSE2(float* a) { … }

void rftfsub_128_SSE2(float* a) { … }

void rftbsub_128_SSE2(float* a) { … }
#endif

}  // namespace webrtc