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/*
* 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.
*/
#include <immintrin.h>
#include "config/aom_dsp_rtcd.h"
#include "aom_ports/mem.h"
static INLINE unsigned int sad64xh_avx2(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
int i;
__m256i sad1_reg, sad2_reg, ref1_reg, ref2_reg;
__m256i sum_sad = _mm256_setzero_si256();
__m256i sum_sad_h;
__m128i sum_sad128;
for (i = 0; i < h; i++) {
ref1_reg = _mm256_loadu_si256((__m256i const *)ref_ptr);
ref2_reg = _mm256_loadu_si256((__m256i const *)(ref_ptr + 32));
sad1_reg =
_mm256_sad_epu8(ref1_reg, _mm256_loadu_si256((__m256i const *)src_ptr));
sad2_reg = _mm256_sad_epu8(
ref2_reg, _mm256_loadu_si256((__m256i const *)(src_ptr + 32)));
sum_sad = _mm256_add_epi32(sum_sad, _mm256_add_epi32(sad1_reg, sad2_reg));
ref_ptr += ref_stride;
src_ptr += src_stride;
}
sum_sad_h = _mm256_srli_si256(sum_sad, 8);
sum_sad = _mm256_add_epi32(sum_sad, sum_sad_h);
sum_sad128 = _mm256_extracti128_si256(sum_sad, 1);
sum_sad128 = _mm_add_epi32(_mm256_castsi256_si128(sum_sad), sum_sad128);
unsigned int res = (unsigned int)_mm_cvtsi128_si32(sum_sad128);
_mm256_zeroupper();
return res;
}
static INLINE unsigned int sad32xh_avx2(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
int i;
__m256i sad1_reg, sad2_reg, ref1_reg, ref2_reg;
__m256i sum_sad = _mm256_setzero_si256();
__m256i sum_sad_h;
__m128i sum_sad128;
int ref2_stride = ref_stride << 1;
int src2_stride = src_stride << 1;
int max = h >> 1;
for (i = 0; i < max; i++) {
ref1_reg = _mm256_loadu_si256((__m256i const *)ref_ptr);
ref2_reg = _mm256_loadu_si256((__m256i const *)(ref_ptr + ref_stride));
sad1_reg =
_mm256_sad_epu8(ref1_reg, _mm256_loadu_si256((__m256i const *)src_ptr));
sad2_reg = _mm256_sad_epu8(
ref2_reg, _mm256_loadu_si256((__m256i const *)(src_ptr + src_stride)));
sum_sad = _mm256_add_epi32(sum_sad, _mm256_add_epi32(sad1_reg, sad2_reg));
ref_ptr += ref2_stride;
src_ptr += src2_stride;
}
sum_sad_h = _mm256_srli_si256(sum_sad, 8);
sum_sad = _mm256_add_epi32(sum_sad, sum_sad_h);
sum_sad128 = _mm256_extracti128_si256(sum_sad, 1);
sum_sad128 = _mm_add_epi32(_mm256_castsi256_si128(sum_sad), sum_sad128);
unsigned int res = (unsigned int)_mm_cvtsi128_si32(sum_sad128);
_mm256_zeroupper();
return res;
}
#define FSAD64_H(h) \
unsigned int aom_sad64x##h##_avx2(const uint8_t *src_ptr, int src_stride, \
const uint8_t *ref_ptr, int ref_stride) { \
return sad64xh_avx2(src_ptr, src_stride, ref_ptr, ref_stride, h); \
}
#define FSADS64_H(h) \
unsigned int aom_sad_skip_64x##h##_avx2( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad64xh_avx2(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
#define FSAD32_H(h) \
unsigned int aom_sad32x##h##_avx2(const uint8_t *src_ptr, int src_stride, \
const uint8_t *ref_ptr, int ref_stride) { \
return sad32xh_avx2(src_ptr, src_stride, ref_ptr, ref_stride, h); \
}
#define FSADS32_H(h) \
unsigned int aom_sad_skip_32x##h##_avx2( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad32xh_avx2(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
#define FSAD64 \
FSAD64_H(64) \
FSAD64_H(32) \
FSADS64_H(64) \
FSADS64_H(32)
#define FSAD32 \
FSAD32_H(64) \
FSAD32_H(32) \
FSAD32_H(16) \
FSADS32_H(64) \
FSADS32_H(32) \
FSADS32_H(16)
/* clang-format off */
FSAD64
FSAD32
/* clang-format on */
#undef FSAD64
#undef FSAD32
#undef FSAD64_H
#undef FSAD32_H
#define FSADAVG64_H(h) \
unsigned int aom_sad64x##h##_avg_avx2( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride, const uint8_t *second_pred) { \
int i; \
__m256i sad1_reg, sad2_reg, ref1_reg, ref2_reg; \
__m256i sum_sad = _mm256_setzero_si256(); \
__m256i sum_sad_h; \
__m128i sum_sad128; \
for (i = 0; i < h; i++) { \
ref1_reg = _mm256_loadu_si256((__m256i const *)ref_ptr); \
ref2_reg = _mm256_loadu_si256((__m256i const *)(ref_ptr + 32)); \
ref1_reg = _mm256_avg_epu8( \
ref1_reg, _mm256_loadu_si256((__m256i const *)second_pred)); \
ref2_reg = _mm256_avg_epu8( \
ref2_reg, _mm256_loadu_si256((__m256i const *)(second_pred + 32))); \
sad1_reg = _mm256_sad_epu8( \
ref1_reg, _mm256_loadu_si256((__m256i const *)src_ptr)); \
sad2_reg = _mm256_sad_epu8( \
ref2_reg, _mm256_loadu_si256((__m256i const *)(src_ptr + 32))); \
sum_sad = \
_mm256_add_epi32(sum_sad, _mm256_add_epi32(sad1_reg, sad2_reg)); \
ref_ptr += ref_stride; \
src_ptr += src_stride; \
second_pred += 64; \
} \
sum_sad_h = _mm256_srli_si256(sum_sad, 8); \
sum_sad = _mm256_add_epi32(sum_sad, sum_sad_h); \
sum_sad128 = _mm256_extracti128_si256(sum_sad, 1); \
sum_sad128 = _mm_add_epi32(_mm256_castsi256_si128(sum_sad), sum_sad128); \
unsigned int res = (unsigned int)_mm_cvtsi128_si32(sum_sad128); \
_mm256_zeroupper(); \
return res; \
}
#define FSADAVG32_H(h) \
unsigned int aom_sad32x##h##_avg_avx2( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride, const uint8_t *second_pred) { \
int i; \
__m256i sad1_reg, sad2_reg, ref1_reg, ref2_reg; \
__m256i sum_sad = _mm256_setzero_si256(); \
__m256i sum_sad_h; \
__m128i sum_sad128; \
int ref2_stride = ref_stride << 1; \
int src2_stride = src_stride << 1; \
int max = h >> 1; \
for (i = 0; i < max; i++) { \
ref1_reg = _mm256_loadu_si256((__m256i const *)ref_ptr); \
ref2_reg = _mm256_loadu_si256((__m256i const *)(ref_ptr + ref_stride)); \
ref1_reg = _mm256_avg_epu8( \
ref1_reg, _mm256_loadu_si256((__m256i const *)second_pred)); \
ref2_reg = _mm256_avg_epu8( \
ref2_reg, _mm256_loadu_si256((__m256i const *)(second_pred + 32))); \
sad1_reg = _mm256_sad_epu8( \
ref1_reg, _mm256_loadu_si256((__m256i const *)src_ptr)); \
sad2_reg = _mm256_sad_epu8( \
ref2_reg, \
_mm256_loadu_si256((__m256i const *)(src_ptr + src_stride))); \
sum_sad = \
_mm256_add_epi32(sum_sad, _mm256_add_epi32(sad1_reg, sad2_reg)); \
ref_ptr += ref2_stride; \
src_ptr += src2_stride; \
second_pred += 64; \
} \
sum_sad_h = _mm256_srli_si256(sum_sad, 8); \
sum_sad = _mm256_add_epi32(sum_sad, sum_sad_h); \
sum_sad128 = _mm256_extracti128_si256(sum_sad, 1); \
sum_sad128 = _mm_add_epi32(_mm256_castsi256_si128(sum_sad), sum_sad128); \
unsigned int res = (unsigned int)_mm_cvtsi128_si32(sum_sad128); \
_mm256_zeroupper(); \
return res; \
}
#define FSADAVG64 \
FSADAVG64_H(64) \
FSADAVG64_H(32)
#define FSADAVG32 \
FSADAVG32_H(64) \
FSADAVG32_H(32) \
FSADAVG32_H(16)
/* clang-format off */
FSADAVG64
FSADAVG32
/* clang-format on */
#undef FSADAVG64
#undef FSADAVG32
#undef FSADAVG64_H
#undef FSADAVG32_H
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