73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
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/*
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* Copyright (c) 2018, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AV1_COMMON_X86_AV1_TXFM_SSE4_H_
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#define AOM_AV1_COMMON_X86_AV1_TXFM_SSE4_H_
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#include <smmintrin.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static INLINE __m128i av1_round_shift_32_sse4_1(__m128i vec, int bit) {
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__m128i tmp, round;
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round = _mm_set1_epi32(1 << (bit - 1));
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tmp = _mm_add_epi32(vec, round);
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return _mm_srai_epi32(tmp, bit);
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}
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static INLINE void av1_round_shift_array_32_sse4_1(__m128i *input,
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__m128i *output,
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const int size,
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const int bit) {
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if (bit > 0) {
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int i;
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for (i = 0; i < size; i++) {
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output[i] = av1_round_shift_32_sse4_1(input[i], bit);
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}
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} else {
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int i;
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for (i = 0; i < size; i++) {
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output[i] = _mm_slli_epi32(input[i], -bit);
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}
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}
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}
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static INLINE void av1_round_shift_rect_array_32_sse4_1(__m128i *input,
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__m128i *output,
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const int size,
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const int bit,
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const int val) {
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const __m128i sqrt2 = _mm_set1_epi32(val);
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if (bit > 0) {
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int i;
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for (i = 0; i < size; i++) {
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const __m128i r0 = av1_round_shift_32_sse4_1(input[i], bit);
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const __m128i r1 = _mm_mullo_epi32(sqrt2, r0);
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output[i] = av1_round_shift_32_sse4_1(r1, NewSqrt2Bits);
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}
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} else {
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int i;
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for (i = 0; i < size; i++) {
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const __m128i r0 = _mm_slli_epi32(input[i], -bit);
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const __m128i r1 = _mm_mullo_epi32(sqrt2, r0);
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output[i] = av1_round_shift_32_sse4_1(r1, NewSqrt2Bits);
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}
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // AOM_AV1_COMMON_X86_AV1_TXFM_SSE4_H_
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