diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/sad_highbd_avx2.c')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/sad_highbd_avx2.c | 1038 |
1 files changed, 1038 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/sad_highbd_avx2.c b/third_party/aom/aom_dsp/x86/sad_highbd_avx2.c new file mode 100644 index 000000000..b506d4663 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/sad_highbd_avx2.c @@ -0,0 +1,1038 @@ +/* + * 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_config.h" +#include "config/aom_dsp_rtcd.h" + +#include "aom/aom_integer.h" +#include "aom_dsp/x86/synonyms_avx2.h" +#include "aom_ports/mem.h" + +// SAD +static INLINE unsigned int get_sad_from_mm256_epi32(const __m256i *v) { + // input 8 32-bit summation + __m128i lo128, hi128; + __m256i u = _mm256_srli_si256(*v, 8); + u = _mm256_add_epi32(u, *v); + + // 4 32-bit summation + hi128 = _mm256_extracti128_si256(u, 1); + lo128 = _mm256_castsi256_si128(u); + lo128 = _mm_add_epi32(hi128, lo128); + + // 2 32-bit summation + hi128 = _mm_srli_si128(lo128, 4); + lo128 = _mm_add_epi32(lo128, hi128); + + return (unsigned int)_mm_cvtsi128_si32(lo128); +} + +unsigned int aom_highbd_sad16x8_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src); + const uint16_t *ref_ptr = CONVERT_TO_SHORTPTR(ref); + + // first 4 rows + __m256i s0 = _mm256_loadu_si256((const __m256i *)src_ptr); + __m256i s1 = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride)); + __m256i s2 = _mm256_loadu_si256((const __m256i *)(src_ptr + 2 * src_stride)); + __m256i s3 = _mm256_loadu_si256((const __m256i *)(src_ptr + 3 * src_stride)); + + __m256i r0 = _mm256_loadu_si256((const __m256i *)ref_ptr); + __m256i r1 = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride)); + __m256i r2 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 2 * ref_stride)); + __m256i r3 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 3 * ref_stride)); + + __m256i u0 = _mm256_sub_epi16(s0, r0); + __m256i u1 = _mm256_sub_epi16(s1, r1); + __m256i u2 = _mm256_sub_epi16(s2, r2); + __m256i u3 = _mm256_sub_epi16(s3, r3); + __m256i zero = _mm256_setzero_si256(); + __m256i sum0, sum1; + + u0 = _mm256_abs_epi16(u0); + u1 = _mm256_abs_epi16(u1); + u2 = _mm256_abs_epi16(u2); + u3 = _mm256_abs_epi16(u3); + + sum0 = _mm256_add_epi16(u0, u1); + sum0 = _mm256_add_epi16(sum0, u2); + sum0 = _mm256_add_epi16(sum0, u3); + + // second 4 rows + src_ptr += src_stride << 2; + ref_ptr += ref_stride << 2; + s0 = _mm256_loadu_si256((const __m256i *)src_ptr); + s1 = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride)); + s2 = _mm256_loadu_si256((const __m256i *)(src_ptr + 2 * src_stride)); + s3 = _mm256_loadu_si256((const __m256i *)(src_ptr + 3 * src_stride)); + + r0 = _mm256_loadu_si256((const __m256i *)ref_ptr); + r1 = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride)); + r2 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 2 * ref_stride)); + r3 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 3 * ref_stride)); + + u0 = _mm256_sub_epi16(s0, r0); + u1 = _mm256_sub_epi16(s1, r1); + u2 = _mm256_sub_epi16(s2, r2); + u3 = _mm256_sub_epi16(s3, r3); + + u0 = _mm256_abs_epi16(u0); + u1 = _mm256_abs_epi16(u1); + u2 = _mm256_abs_epi16(u2); + u3 = _mm256_abs_epi16(u3); + + sum1 = _mm256_add_epi16(u0, u1); + sum1 = _mm256_add_epi16(sum1, u2); + sum1 = _mm256_add_epi16(sum1, u3); + + // find out the SAD + s0 = _mm256_unpacklo_epi16(sum0, zero); + s1 = _mm256_unpackhi_epi16(sum0, zero); + r0 = _mm256_unpacklo_epi16(sum1, zero); + r1 = _mm256_unpackhi_epi16(sum1, zero); + s0 = _mm256_add_epi32(s0, s1); + r0 = _mm256_add_epi32(r0, r1); + sum0 = _mm256_add_epi32(s0, r0); + // 8 32-bit summation + + return (unsigned int)get_sad_from_mm256_epi32(&sum0); +} + +unsigned int aom_highbd_sad16x16_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src); + const uint16_t *ref_ptr = CONVERT_TO_SHORTPTR(ref); + __m256i s0, s1, s2, s3, r0, r1, r2, r3, u0, u1, u2, u3; + __m256i sum0; + __m256i sum = _mm256_setzero_si256(); + const __m256i zero = _mm256_setzero_si256(); + int row = 0; + + // Loop for every 4 rows + while (row < 16) { + s0 = _mm256_loadu_si256((const __m256i *)src_ptr); + s1 = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride)); + s2 = _mm256_loadu_si256((const __m256i *)(src_ptr + 2 * src_stride)); + s3 = _mm256_loadu_si256((const __m256i *)(src_ptr + 3 * src_stride)); + + r0 = _mm256_loadu_si256((const __m256i *)ref_ptr); + r1 = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride)); + r2 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 2 * ref_stride)); + r3 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 3 * ref_stride)); + + u0 = _mm256_sub_epi16(s0, r0); + u1 = _mm256_sub_epi16(s1, r1); + u2 = _mm256_sub_epi16(s2, r2); + u3 = _mm256_sub_epi16(s3, r3); + + u0 = _mm256_abs_epi16(u0); + u1 = _mm256_abs_epi16(u1); + u2 = _mm256_abs_epi16(u2); + u3 = _mm256_abs_epi16(u3); + + sum0 = _mm256_add_epi16(u0, u1); + sum0 = _mm256_add_epi16(sum0, u2); + sum0 = _mm256_add_epi16(sum0, u3); + + s0 = _mm256_unpacklo_epi16(sum0, zero); + s1 = _mm256_unpackhi_epi16(sum0, zero); + sum = _mm256_add_epi32(sum, s0); + sum = _mm256_add_epi32(sum, s1); + // 8 32-bit summation + + row += 4; + src_ptr += src_stride << 2; + ref_ptr += ref_stride << 2; + } + return get_sad_from_mm256_epi32(&sum); +} + +static void sad32x4(const uint16_t *src_ptr, int src_stride, + const uint16_t *ref_ptr, int ref_stride, + const uint16_t *sec_ptr, __m256i *sad_acc) { + __m256i s0, s1, s2, s3, r0, r1, r2, r3; + const __m256i zero = _mm256_setzero_si256(); + int row_sections = 0; + + while (row_sections < 2) { + s0 = _mm256_loadu_si256((const __m256i *)src_ptr); + s1 = _mm256_loadu_si256((const __m256i *)(src_ptr + 16)); + s2 = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride)); + s3 = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride + 16)); + + r0 = _mm256_loadu_si256((const __m256i *)ref_ptr); + r1 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 16)); + r2 = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride)); + r3 = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride + 16)); + + if (sec_ptr) { + r0 = _mm256_avg_epu16(r0, _mm256_loadu_si256((const __m256i *)sec_ptr)); + r1 = _mm256_avg_epu16( + r1, _mm256_loadu_si256((const __m256i *)(sec_ptr + 16))); + r2 = _mm256_avg_epu16( + r2, _mm256_loadu_si256((const __m256i *)(sec_ptr + 32))); + r3 = _mm256_avg_epu16( + r3, _mm256_loadu_si256((const __m256i *)(sec_ptr + 48))); + } + s0 = _mm256_sub_epi16(s0, r0); + s1 = _mm256_sub_epi16(s1, r1); + s2 = _mm256_sub_epi16(s2, r2); + s3 = _mm256_sub_epi16(s3, r3); + + s0 = _mm256_abs_epi16(s0); + s1 = _mm256_abs_epi16(s1); + s2 = _mm256_abs_epi16(s2); + s3 = _mm256_abs_epi16(s3); + + s0 = _mm256_add_epi16(s0, s1); + s0 = _mm256_add_epi16(s0, s2); + s0 = _mm256_add_epi16(s0, s3); + + r0 = _mm256_unpacklo_epi16(s0, zero); + r1 = _mm256_unpackhi_epi16(s0, zero); + + r0 = _mm256_add_epi32(r0, r1); + *sad_acc = _mm256_add_epi32(*sad_acc, r0); + + row_sections += 1; + src_ptr += src_stride << 1; + ref_ptr += ref_stride << 1; + if (sec_ptr) sec_ptr += 32 << 1; + } +} + +unsigned int aom_highbd_sad32x16_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + const int left_shift = 2; + int row_section = 0; + + while (row_section < 4) { + sad32x4(srcp, src_stride, refp, ref_stride, NULL, &sad); + srcp += src_stride << left_shift; + refp += ref_stride << left_shift; + row_section += 1; + } + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad16x32_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + uint32_t sum = aom_highbd_sad16x16_avx2(src, src_stride, ref, ref_stride); + src += src_stride << 4; + ref += ref_stride << 4; + sum += aom_highbd_sad16x16_avx2(src, src_stride, ref, ref_stride); + return sum; +} + +unsigned int aom_highbd_sad32x32_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + uint32_t sum = aom_highbd_sad32x16_avx2(src, src_stride, ref, ref_stride); + src += src_stride << 4; + ref += ref_stride << 4; + sum += aom_highbd_sad32x16_avx2(src, src_stride, ref, ref_stride); + return sum; +} + +unsigned int aom_highbd_sad32x64_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + uint32_t sum = aom_highbd_sad32x32_avx2(src, src_stride, ref, ref_stride); + src += src_stride << 5; + ref += ref_stride << 5; + sum += aom_highbd_sad32x32_avx2(src, src_stride, ref, ref_stride); + return sum; +} + +static void sad64x2(const uint16_t *src_ptr, int src_stride, + const uint16_t *ref_ptr, int ref_stride, + const uint16_t *sec_ptr, __m256i *sad_acc) { + __m256i s[8], r[8]; + const __m256i zero = _mm256_setzero_si256(); + + s[0] = _mm256_loadu_si256((const __m256i *)src_ptr); + s[1] = _mm256_loadu_si256((const __m256i *)(src_ptr + 16)); + s[2] = _mm256_loadu_si256((const __m256i *)(src_ptr + 32)); + s[3] = _mm256_loadu_si256((const __m256i *)(src_ptr + 48)); + s[4] = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride)); + s[5] = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride + 16)); + s[6] = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride + 32)); + s[7] = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride + 48)); + + r[0] = _mm256_loadu_si256((const __m256i *)ref_ptr); + r[1] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 16)); + r[2] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 32)); + r[3] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 48)); + r[4] = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride)); + r[5] = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride + 16)); + r[6] = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride + 32)); + r[7] = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride + 48)); + + if (sec_ptr) { + r[0] = _mm256_avg_epu16(r[0], _mm256_loadu_si256((const __m256i *)sec_ptr)); + r[1] = _mm256_avg_epu16( + r[1], _mm256_loadu_si256((const __m256i *)(sec_ptr + 16))); + r[2] = _mm256_avg_epu16( + r[2], _mm256_loadu_si256((const __m256i *)(sec_ptr + 32))); + r[3] = _mm256_avg_epu16( + r[3], _mm256_loadu_si256((const __m256i *)(sec_ptr + 48))); + r[4] = _mm256_avg_epu16( + r[4], _mm256_loadu_si256((const __m256i *)(sec_ptr + 64))); + r[5] = _mm256_avg_epu16( + r[5], _mm256_loadu_si256((const __m256i *)(sec_ptr + 80))); + r[6] = _mm256_avg_epu16( + r[6], _mm256_loadu_si256((const __m256i *)(sec_ptr + 96))); + r[7] = _mm256_avg_epu16( + r[7], _mm256_loadu_si256((const __m256i *)(sec_ptr + 112))); + } + + s[0] = _mm256_sub_epi16(s[0], r[0]); + s[1] = _mm256_sub_epi16(s[1], r[1]); + s[2] = _mm256_sub_epi16(s[2], r[2]); + s[3] = _mm256_sub_epi16(s[3], r[3]); + s[4] = _mm256_sub_epi16(s[4], r[4]); + s[5] = _mm256_sub_epi16(s[5], r[5]); + s[6] = _mm256_sub_epi16(s[6], r[6]); + s[7] = _mm256_sub_epi16(s[7], r[7]); + + s[0] = _mm256_abs_epi16(s[0]); + s[1] = _mm256_abs_epi16(s[1]); + s[2] = _mm256_abs_epi16(s[2]); + s[3] = _mm256_abs_epi16(s[3]); + s[4] = _mm256_abs_epi16(s[4]); + s[5] = _mm256_abs_epi16(s[5]); + s[6] = _mm256_abs_epi16(s[6]); + s[7] = _mm256_abs_epi16(s[7]); + + s[0] = _mm256_add_epi16(s[0], s[1]); + s[0] = _mm256_add_epi16(s[0], s[2]); + s[0] = _mm256_add_epi16(s[0], s[3]); + + s[4] = _mm256_add_epi16(s[4], s[5]); + s[4] = _mm256_add_epi16(s[4], s[6]); + s[4] = _mm256_add_epi16(s[4], s[7]); + + r[0] = _mm256_unpacklo_epi16(s[0], zero); + r[1] = _mm256_unpackhi_epi16(s[0], zero); + r[2] = _mm256_unpacklo_epi16(s[4], zero); + r[3] = _mm256_unpackhi_epi16(s[4], zero); + + r[0] = _mm256_add_epi32(r[0], r[1]); + r[0] = _mm256_add_epi32(r[0], r[2]); + r[0] = _mm256_add_epi32(r[0], r[3]); + *sad_acc = _mm256_add_epi32(*sad_acc, r[0]); +} + +unsigned int aom_highbd_sad64x32_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + const int left_shift = 1; + int row_section = 0; + + while (row_section < 16) { + sad64x2(srcp, src_stride, refp, ref_stride, NULL, &sad); + srcp += src_stride << left_shift; + refp += ref_stride << left_shift; + row_section += 1; + } + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad64x64_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + uint32_t sum = aom_highbd_sad64x32_avx2(src, src_stride, ref, ref_stride); + src += src_stride << 5; + ref += ref_stride << 5; + sum += aom_highbd_sad64x32_avx2(src, src_stride, ref, ref_stride); + return sum; +} + +static void sad128x1(const uint16_t *src_ptr, const uint16_t *ref_ptr, + const uint16_t *sec_ptr, __m256i *sad_acc) { + __m256i s[8], r[8]; + const __m256i zero = _mm256_setzero_si256(); + + s[0] = _mm256_loadu_si256((const __m256i *)src_ptr); + s[1] = _mm256_loadu_si256((const __m256i *)(src_ptr + 16)); + s[2] = _mm256_loadu_si256((const __m256i *)(src_ptr + 32)); + s[3] = _mm256_loadu_si256((const __m256i *)(src_ptr + 48)); + s[4] = _mm256_loadu_si256((const __m256i *)(src_ptr + 64)); + s[5] = _mm256_loadu_si256((const __m256i *)(src_ptr + 80)); + s[6] = _mm256_loadu_si256((const __m256i *)(src_ptr + 96)); + s[7] = _mm256_loadu_si256((const __m256i *)(src_ptr + 112)); + + r[0] = _mm256_loadu_si256((const __m256i *)ref_ptr); + r[1] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 16)); + r[2] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 32)); + r[3] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 48)); + r[4] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 64)); + r[5] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 80)); + r[6] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 96)); + r[7] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 112)); + + if (sec_ptr) { + r[0] = _mm256_avg_epu16(r[0], _mm256_loadu_si256((const __m256i *)sec_ptr)); + r[1] = _mm256_avg_epu16( + r[1], _mm256_loadu_si256((const __m256i *)(sec_ptr + 16))); + r[2] = _mm256_avg_epu16( + r[2], _mm256_loadu_si256((const __m256i *)(sec_ptr + 32))); + r[3] = _mm256_avg_epu16( + r[3], _mm256_loadu_si256((const __m256i *)(sec_ptr + 48))); + r[4] = _mm256_avg_epu16( + r[4], _mm256_loadu_si256((const __m256i *)(sec_ptr + 64))); + r[5] = _mm256_avg_epu16( + r[5], _mm256_loadu_si256((const __m256i *)(sec_ptr + 80))); + r[6] = _mm256_avg_epu16( + r[6], _mm256_loadu_si256((const __m256i *)(sec_ptr + 96))); + r[7] = _mm256_avg_epu16( + r[7], _mm256_loadu_si256((const __m256i *)(sec_ptr + 112))); + } + + s[0] = _mm256_sub_epi16(s[0], r[0]); + s[1] = _mm256_sub_epi16(s[1], r[1]); + s[2] = _mm256_sub_epi16(s[2], r[2]); + s[3] = _mm256_sub_epi16(s[3], r[3]); + s[4] = _mm256_sub_epi16(s[4], r[4]); + s[5] = _mm256_sub_epi16(s[5], r[5]); + s[6] = _mm256_sub_epi16(s[6], r[6]); + s[7] = _mm256_sub_epi16(s[7], r[7]); + + s[0] = _mm256_abs_epi16(s[0]); + s[1] = _mm256_abs_epi16(s[1]); + s[2] = _mm256_abs_epi16(s[2]); + s[3] = _mm256_abs_epi16(s[3]); + s[4] = _mm256_abs_epi16(s[4]); + s[5] = _mm256_abs_epi16(s[5]); + s[6] = _mm256_abs_epi16(s[6]); + s[7] = _mm256_abs_epi16(s[7]); + + s[0] = _mm256_add_epi16(s[0], s[1]); + s[0] = _mm256_add_epi16(s[0], s[2]); + s[0] = _mm256_add_epi16(s[0], s[3]); + + s[4] = _mm256_add_epi16(s[4], s[5]); + s[4] = _mm256_add_epi16(s[4], s[6]); + s[4] = _mm256_add_epi16(s[4], s[7]); + + r[0] = _mm256_unpacklo_epi16(s[0], zero); + r[1] = _mm256_unpackhi_epi16(s[0], zero); + r[2] = _mm256_unpacklo_epi16(s[4], zero); + r[3] = _mm256_unpackhi_epi16(s[4], zero); + + r[0] = _mm256_add_epi32(r[0], r[1]); + r[0] = _mm256_add_epi32(r[0], r[2]); + r[0] = _mm256_add_epi32(r[0], r[3]); + *sad_acc = _mm256_add_epi32(*sad_acc, r[0]); +} + +unsigned int aom_highbd_sad128x64_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + int row = 0; + while (row < 64) { + sad128x1(srcp, refp, NULL, &sad); + srcp += src_stride; + refp += ref_stride; + row += 1; + } + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad64x128_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + uint32_t sum = aom_highbd_sad64x64_avx2(src, src_stride, ref, ref_stride); + src += src_stride << 6; + ref += ref_stride << 6; + sum += aom_highbd_sad64x64_avx2(src, src_stride, ref, ref_stride); + return sum; +} + +unsigned int aom_highbd_sad128x128_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride) { + uint32_t sum = aom_highbd_sad128x64_avx2(src, src_stride, ref, ref_stride); + src += src_stride << 6; + ref += ref_stride << 6; + sum += aom_highbd_sad128x64_avx2(src, src_stride, ref, ref_stride); + return sum; +} + +// If sec_ptr = 0, calculate regular SAD. Otherwise, calculate average SAD. +static INLINE void sad16x4(const uint16_t *src_ptr, int src_stride, + const uint16_t *ref_ptr, int ref_stride, + const uint16_t *sec_ptr, __m256i *sad_acc) { + __m256i s0, s1, s2, s3, r0, r1, r2, r3; + const __m256i zero = _mm256_setzero_si256(); + + s0 = _mm256_loadu_si256((const __m256i *)src_ptr); + s1 = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride)); + s2 = _mm256_loadu_si256((const __m256i *)(src_ptr + 2 * src_stride)); + s3 = _mm256_loadu_si256((const __m256i *)(src_ptr + 3 * src_stride)); + + r0 = _mm256_loadu_si256((const __m256i *)ref_ptr); + r1 = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride)); + r2 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 2 * ref_stride)); + r3 = _mm256_loadu_si256((const __m256i *)(ref_ptr + 3 * ref_stride)); + + if (sec_ptr) { + r0 = _mm256_avg_epu16(r0, _mm256_loadu_si256((const __m256i *)sec_ptr)); + r1 = _mm256_avg_epu16(r1, + _mm256_loadu_si256((const __m256i *)(sec_ptr + 16))); + r2 = _mm256_avg_epu16(r2, + _mm256_loadu_si256((const __m256i *)(sec_ptr + 32))); + r3 = _mm256_avg_epu16(r3, + _mm256_loadu_si256((const __m256i *)(sec_ptr + 48))); + } + + s0 = _mm256_sub_epi16(s0, r0); + s1 = _mm256_sub_epi16(s1, r1); + s2 = _mm256_sub_epi16(s2, r2); + s3 = _mm256_sub_epi16(s3, r3); + + s0 = _mm256_abs_epi16(s0); + s1 = _mm256_abs_epi16(s1); + s2 = _mm256_abs_epi16(s2); + s3 = _mm256_abs_epi16(s3); + + s0 = _mm256_add_epi16(s0, s1); + s0 = _mm256_add_epi16(s0, s2); + s0 = _mm256_add_epi16(s0, s3); + + r0 = _mm256_unpacklo_epi16(s0, zero); + r1 = _mm256_unpackhi_epi16(s0, zero); + + r0 = _mm256_add_epi32(r0, r1); + *sad_acc = _mm256_add_epi32(*sad_acc, r0); +} + +unsigned int aom_highbd_sad16x8_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + uint16_t *secp = CONVERT_TO_SHORTPTR(second_pred); + + sad16x4(srcp, src_stride, refp, ref_stride, secp, &sad); + + // Next 4 rows + srcp += src_stride << 2; + refp += ref_stride << 2; + secp += 64; + sad16x4(srcp, src_stride, refp, ref_stride, secp, &sad); + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad16x16_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + const int left_shift = 3; + uint32_t sum = aom_highbd_sad16x8_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 16 << left_shift; + sum += aom_highbd_sad16x8_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +unsigned int aom_highbd_sad16x32_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + const int left_shift = 4; + uint32_t sum = aom_highbd_sad16x16_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 16 << left_shift; + sum += aom_highbd_sad16x16_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +unsigned int aom_highbd_sad32x16_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + uint16_t *secp = CONVERT_TO_SHORTPTR(second_pred); + const int left_shift = 2; + int row_section = 0; + + while (row_section < 4) { + sad32x4(srcp, src_stride, refp, ref_stride, secp, &sad); + srcp += src_stride << left_shift; + refp += ref_stride << left_shift; + secp += 32 << left_shift; + row_section += 1; + } + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad32x32_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + const int left_shift = 4; + uint32_t sum = aom_highbd_sad32x16_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 32 << left_shift; + sum += aom_highbd_sad32x16_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +unsigned int aom_highbd_sad32x64_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + const int left_shift = 5; + uint32_t sum = aom_highbd_sad32x32_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 32 << left_shift; + sum += aom_highbd_sad32x32_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +unsigned int aom_highbd_sad64x32_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + uint16_t *secp = CONVERT_TO_SHORTPTR(second_pred); + const int left_shift = 1; + int row_section = 0; + + while (row_section < 16) { + sad64x2(srcp, src_stride, refp, ref_stride, secp, &sad); + srcp += src_stride << left_shift; + refp += ref_stride << left_shift; + secp += 64 << left_shift; + row_section += 1; + } + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad64x64_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + const int left_shift = 5; + uint32_t sum = aom_highbd_sad64x32_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 64 << left_shift; + sum += aom_highbd_sad64x32_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +unsigned int aom_highbd_sad64x128_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + const int left_shift = 6; + uint32_t sum = aom_highbd_sad64x64_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 64 << left_shift; + sum += aom_highbd_sad64x64_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +unsigned int aom_highbd_sad128x64_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + __m256i sad = _mm256_setzero_si256(); + uint16_t *srcp = CONVERT_TO_SHORTPTR(src); + uint16_t *refp = CONVERT_TO_SHORTPTR(ref); + uint16_t *secp = CONVERT_TO_SHORTPTR(second_pred); + int row = 0; + while (row < 64) { + sad128x1(srcp, refp, secp, &sad); + srcp += src_stride; + refp += ref_stride; + secp += 16 << 3; + row += 1; + } + return get_sad_from_mm256_epi32(&sad); +} + +unsigned int aom_highbd_sad128x128_avg_avx2(const uint8_t *src, int src_stride, + const uint8_t *ref, int ref_stride, + const uint8_t *second_pred) { + unsigned int sum; + const int left_shift = 6; + + sum = aom_highbd_sad128x64_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + src += src_stride << left_shift; + ref += ref_stride << left_shift; + second_pred += 128 << left_shift; + sum += aom_highbd_sad128x64_avg_avx2(src, src_stride, ref, ref_stride, + second_pred); + return sum; +} + +// SAD 4D +// Combine 4 __m256i vectors to uint32_t result[4] +static INLINE void get_4d_sad_from_mm256_epi32(const __m256i *v, + uint32_t *res) { + __m256i u0, u1, u2, u3; + const __m256i mask = yy_set1_64_from_32i(UINT32_MAX); + __m128i sad; + + // 8 32-bit summation + u0 = _mm256_srli_si256(v[0], 4); + u1 = _mm256_srli_si256(v[1], 4); + u2 = _mm256_srli_si256(v[2], 4); + u3 = _mm256_srli_si256(v[3], 4); + + u0 = _mm256_add_epi32(u0, v[0]); + u1 = _mm256_add_epi32(u1, v[1]); + u2 = _mm256_add_epi32(u2, v[2]); + u3 = _mm256_add_epi32(u3, v[3]); + + u0 = _mm256_and_si256(u0, mask); + u1 = _mm256_and_si256(u1, mask); + u2 = _mm256_and_si256(u2, mask); + u3 = _mm256_and_si256(u3, mask); + // 4 32-bit summation, evenly positioned + + u1 = _mm256_slli_si256(u1, 4); + u3 = _mm256_slli_si256(u3, 4); + + u0 = _mm256_or_si256(u0, u1); + u2 = _mm256_or_si256(u2, u3); + // 8 32-bit summation, interleaved + + u1 = _mm256_unpacklo_epi64(u0, u2); + u3 = _mm256_unpackhi_epi64(u0, u2); + + u0 = _mm256_add_epi32(u1, u3); + sad = _mm_add_epi32(_mm256_extractf128_si256(u0, 1), + _mm256_castsi256_si128(u0)); + _mm_storeu_si128((__m128i *)res, sad); +} + +static void convert_pointers(const uint8_t *const ref8[], + const uint16_t *ref[]) { + ref[0] = CONVERT_TO_SHORTPTR(ref8[0]); + ref[1] = CONVERT_TO_SHORTPTR(ref8[1]); + ref[2] = CONVERT_TO_SHORTPTR(ref8[2]); + ref[3] = CONVERT_TO_SHORTPTR(ref8[3]); +} + +static void init_sad(__m256i *s) { + s[0] = _mm256_setzero_si256(); + s[1] = _mm256_setzero_si256(); + s[2] = _mm256_setzero_si256(); + s[3] = _mm256_setzero_si256(); +} + +void aom_highbd_sad16x8x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + __m256i sad_vec[4]; + const uint16_t *refp[4]; + const uint16_t *keep = CONVERT_TO_SHORTPTR(src); + const uint16_t *srcp; + const int shift_for_4_rows = 2; + int i; + + init_sad(sad_vec); + convert_pointers(ref_array, refp); + + for (i = 0; i < 4; ++i) { + srcp = keep; + sad16x4(srcp, src_stride, refp[i], ref_stride, 0, &sad_vec[i]); + srcp += src_stride << shift_for_4_rows; + refp[i] += ref_stride << shift_for_4_rows; + sad16x4(srcp, src_stride, refp[i], ref_stride, 0, &sad_vec[i]); + } + get_4d_sad_from_mm256_epi32(sad_vec, sad_array); +} + +void aom_highbd_sad16x16x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first8rows[4]; + uint32_t second8rows[4]; + const uint8_t *ref[4]; + const int shift_for_8_rows = 3; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad16x8x4d_avx2(src, src_stride, ref, ref_stride, first8rows); + src += src_stride << shift_for_8_rows; + ref[0] += ref_stride << shift_for_8_rows; + ref[1] += ref_stride << shift_for_8_rows; + ref[2] += ref_stride << shift_for_8_rows; + ref[3] += ref_stride << shift_for_8_rows; + aom_highbd_sad16x8x4d_avx2(src, src_stride, ref, ref_stride, second8rows); + sad_array[0] = first8rows[0] + second8rows[0]; + sad_array[1] = first8rows[1] + second8rows[1]; + sad_array[2] = first8rows[2] + second8rows[2]; + sad_array[3] = first8rows[3] + second8rows[3]; +} + +void aom_highbd_sad16x32x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first_half[4]; + uint32_t second_half[4]; + const uint8_t *ref[4]; + const int shift_for_rows = 4; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad16x16x4d_avx2(src, src_stride, ref, ref_stride, first_half); + src += src_stride << shift_for_rows; + ref[0] += ref_stride << shift_for_rows; + ref[1] += ref_stride << shift_for_rows; + ref[2] += ref_stride << shift_for_rows; + ref[3] += ref_stride << shift_for_rows; + aom_highbd_sad16x16x4d_avx2(src, src_stride, ref, ref_stride, second_half); + sad_array[0] = first_half[0] + second_half[0]; + sad_array[1] = first_half[1] + second_half[1]; + sad_array[2] = first_half[2] + second_half[2]; + sad_array[3] = first_half[3] + second_half[3]; +} + +void aom_highbd_sad32x16x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + __m256i sad_vec[4]; + const uint16_t *refp[4]; + const uint16_t *keep = CONVERT_TO_SHORTPTR(src); + const uint16_t *srcp; + const int shift_for_4_rows = 2; + int i; + int rows_section; + + init_sad(sad_vec); + convert_pointers(ref_array, refp); + + for (i = 0; i < 4; ++i) { + srcp = keep; + rows_section = 0; + while (rows_section < 4) { + sad32x4(srcp, src_stride, refp[i], ref_stride, 0, &sad_vec[i]); + srcp += src_stride << shift_for_4_rows; + refp[i] += ref_stride << shift_for_4_rows; + rows_section++; + } + } + get_4d_sad_from_mm256_epi32(sad_vec, sad_array); +} + +void aom_highbd_sad32x32x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first_half[4]; + uint32_t second_half[4]; + const uint8_t *ref[4]; + const int shift_for_rows = 4; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad32x16x4d_avx2(src, src_stride, ref, ref_stride, first_half); + src += src_stride << shift_for_rows; + ref[0] += ref_stride << shift_for_rows; + ref[1] += ref_stride << shift_for_rows; + ref[2] += ref_stride << shift_for_rows; + ref[3] += ref_stride << shift_for_rows; + aom_highbd_sad32x16x4d_avx2(src, src_stride, ref, ref_stride, second_half); + sad_array[0] = first_half[0] + second_half[0]; + sad_array[1] = first_half[1] + second_half[1]; + sad_array[2] = first_half[2] + second_half[2]; + sad_array[3] = first_half[3] + second_half[3]; +} + +void aom_highbd_sad32x64x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first_half[4]; + uint32_t second_half[4]; + const uint8_t *ref[4]; + const int shift_for_rows = 5; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad32x32x4d_avx2(src, src_stride, ref, ref_stride, first_half); + src += src_stride << shift_for_rows; + ref[0] += ref_stride << shift_for_rows; + ref[1] += ref_stride << shift_for_rows; + ref[2] += ref_stride << shift_for_rows; + ref[3] += ref_stride << shift_for_rows; + aom_highbd_sad32x32x4d_avx2(src, src_stride, ref, ref_stride, second_half); + sad_array[0] = first_half[0] + second_half[0]; + sad_array[1] = first_half[1] + second_half[1]; + sad_array[2] = first_half[2] + second_half[2]; + sad_array[3] = first_half[3] + second_half[3]; +} + +void aom_highbd_sad64x32x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + __m256i sad_vec[4]; + const uint16_t *refp[4]; + const uint16_t *keep = CONVERT_TO_SHORTPTR(src); + const uint16_t *srcp; + const int shift_for_rows = 1; + int i; + int rows_section; + + init_sad(sad_vec); + convert_pointers(ref_array, refp); + + for (i = 0; i < 4; ++i) { + srcp = keep; + rows_section = 0; + while (rows_section < 16) { + sad64x2(srcp, src_stride, refp[i], ref_stride, NULL, &sad_vec[i]); + srcp += src_stride << shift_for_rows; + refp[i] += ref_stride << shift_for_rows; + rows_section++; + } + } + get_4d_sad_from_mm256_epi32(sad_vec, sad_array); +} + +void aom_highbd_sad64x64x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first_half[4]; + uint32_t second_half[4]; + const uint8_t *ref[4]; + const int shift_for_rows = 5; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad64x32x4d_avx2(src, src_stride, ref, ref_stride, first_half); + src += src_stride << shift_for_rows; + ref[0] += ref_stride << shift_for_rows; + ref[1] += ref_stride << shift_for_rows; + ref[2] += ref_stride << shift_for_rows; + ref[3] += ref_stride << shift_for_rows; + aom_highbd_sad64x32x4d_avx2(src, src_stride, ref, ref_stride, second_half); + sad_array[0] = first_half[0] + second_half[0]; + sad_array[1] = first_half[1] + second_half[1]; + sad_array[2] = first_half[2] + second_half[2]; + sad_array[3] = first_half[3] + second_half[3]; +} + +void aom_highbd_sad64x128x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first_half[4]; + uint32_t second_half[4]; + const uint8_t *ref[4]; + const int shift_for_rows = 6; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad64x64x4d_avx2(src, src_stride, ref, ref_stride, first_half); + src += src_stride << shift_for_rows; + ref[0] += ref_stride << shift_for_rows; + ref[1] += ref_stride << shift_for_rows; + ref[2] += ref_stride << shift_for_rows; + ref[3] += ref_stride << shift_for_rows; + aom_highbd_sad64x64x4d_avx2(src, src_stride, ref, ref_stride, second_half); + sad_array[0] = first_half[0] + second_half[0]; + sad_array[1] = first_half[1] + second_half[1]; + sad_array[2] = first_half[2] + second_half[2]; + sad_array[3] = first_half[3] + second_half[3]; +} + +void aom_highbd_sad128x64x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + __m256i sad_vec[4]; + const uint16_t *refp[4]; + const uint16_t *keep = CONVERT_TO_SHORTPTR(src); + const uint16_t *srcp; + int i; + int rows_section; + + init_sad(sad_vec); + convert_pointers(ref_array, refp); + + for (i = 0; i < 4; ++i) { + srcp = keep; + rows_section = 0; + while (rows_section < 64) { + sad128x1(srcp, refp[i], NULL, &sad_vec[i]); + srcp += src_stride; + refp[i] += ref_stride; + rows_section++; + } + } + get_4d_sad_from_mm256_epi32(sad_vec, sad_array); +} + +void aom_highbd_sad128x128x4d_avx2(const uint8_t *src, int src_stride, + const uint8_t *const ref_array[], + int ref_stride, uint32_t *sad_array) { + uint32_t first_half[4]; + uint32_t second_half[4]; + const uint8_t *ref[4]; + const int shift_for_rows = 6; + + ref[0] = ref_array[0]; + ref[1] = ref_array[1]; + ref[2] = ref_array[2]; + ref[3] = ref_array[3]; + + aom_highbd_sad128x64x4d_avx2(src, src_stride, ref, ref_stride, first_half); + src += src_stride << shift_for_rows; + ref[0] += ref_stride << shift_for_rows; + ref[1] += ref_stride << shift_for_rows; + ref[2] += ref_stride << shift_for_rows; + ref[3] += ref_stride << shift_for_rows; + aom_highbd_sad128x64x4d_avx2(src, src_stride, ref, ref_stride, second_half); + sad_array[0] = first_half[0] + second_half[0]; + sad_array[1] = first_half[1] + second_half[1]; + sad_array[2] = first_half[2] + second_half[2]; + sad_array[3] = first_half[3] + second_half[3]; +} |