diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/txfm_common_sse2.h')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/txfm_common_sse2.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/txfm_common_sse2.h b/third_party/aom/aom_dsp/x86/txfm_common_sse2.h new file mode 100644 index 000000000..ed82eee96 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/txfm_common_sse2.h @@ -0,0 +1,29 @@ +/* + * 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_DSP_X86_TXFM_COMMON_SSE2_H_ +#define AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_ + +#include <emmintrin.h> +#include "aom/aom_integer.h" +#include "aom_dsp/x86/synonyms.h" + +#define pair_set_epi16(a, b) \ + _mm_set1_epi32((int32_t)(((uint16_t)(a)) | (((uint32_t)(b)) << 16))) + +// Reverse the 8 16 bit words in __m128i +static INLINE __m128i mm_reverse_epi16(const __m128i x) { + const __m128i a = _mm_shufflelo_epi16(x, 0x1b); + const __m128i b = _mm_shufflehi_epi16(a, 0x1b); + return _mm_shuffle_epi32(b, 0x4e); +} + +#endif // AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_ |