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unplugged-system/external/libaom/aom_dsp/x86/highbd_sad_avx2.c

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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_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);
}
static INLINE void highbd_sad16x4_core_avx2(__m256i *s, __m256i *r,
__m256i *sad_acc) {
const __m256i zero = _mm256_setzero_si256();
int i;
for (i = 0; i < 4; i++) {
s[i] = _mm256_sub_epi16(s[i], r[i]);
s[i] = _mm256_abs_epi16(s[i]);
}
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]);
r[0] = _mm256_unpacklo_epi16(s[0], zero);
r[1] = _mm256_unpackhi_epi16(s[0], zero);
r[0] = _mm256_add_epi32(r[0], r[1]);
*sad_acc = _mm256_add_epi32(*sad_acc, r[0]);
}
// 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 s[4], r[4];
s[0] = _mm256_loadu_si256((const __m256i *)src_ptr);
s[1] = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride));
s[2] = _mm256_loadu_si256((const __m256i *)(src_ptr + 2 * src_stride));
s[3] = _mm256_loadu_si256((const __m256i *)(src_ptr + 3 * src_stride));
r[0] = _mm256_loadu_si256((const __m256i *)ref_ptr);
r[1] = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride));
r[2] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 2 * ref_stride));
r[3] = _mm256_loadu_si256((const __m256i *)(ref_ptr + 3 * ref_stride));
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)));
}
highbd_sad16x4_core_avx2(s, r, sad_acc);
}
static AOM_FORCE_INLINE unsigned int aom_highbd_sad16xN_avx2(int N,
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);
int i;
__m256i sad = _mm256_setzero_si256();
for (i = 0; i < N; i += 4) {
sad16x4(src_ptr, src_stride, ref_ptr, ref_stride, NULL, &sad);
src_ptr += src_stride << 2;
ref_ptr += ref_stride << 2;
}
return (unsigned int)get_sad_from_mm256_epi32(&sad);
}
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 s[4], r[4];
int row_sections = 0;
while (row_sections < 2) {
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 + src_stride));
s[3] = _mm256_loadu_si256((const __m256i *)(src_ptr + src_stride + 16));
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 + ref_stride));
r[3] = _mm256_loadu_si256((const __m256i *)(ref_ptr + ref_stride + 16));
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)));
sec_ptr += 32 << 1;
}
highbd_sad16x4_core_avx2(s, r, sad_acc);
row_sections += 1;
src_ptr += src_stride << 1;
ref_ptr += ref_stride << 1;
}
}
static AOM_FORCE_INLINE unsigned int aom_highbd_sad32xN_avx2(int N,
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 i;
for (i = 0; i < N; i += 4) {
sad32x4(srcp, src_stride, refp, ref_stride, NULL, &sad);
srcp += src_stride << left_shift;
refp += ref_stride << left_shift;
}
return get_sad_from_mm256_epi32(&sad);
}
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[4], r[4];
int i;
for (i = 0; i < 2; i++) {
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));
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));
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)));
sec_ptr += 64;
}
highbd_sad16x4_core_avx2(s, r, sad_acc);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
}
static AOM_FORCE_INLINE unsigned int aom_highbd_sad64xN_avx2(int N,
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 i;
for (i = 0; i < N; i += 2) {
sad64x2(srcp, src_stride, refp, ref_stride, NULL, &sad);
srcp += src_stride << left_shift;
refp += ref_stride << left_shift;
}
return get_sad_from_mm256_epi32(&sad);
}
static void sad128x1(const uint16_t *src_ptr, const uint16_t *ref_ptr,
const uint16_t *sec_ptr, __m256i *sad_acc) {
__m256i s[4], r[4];
int i;
for (i = 0; i < 2; i++) {
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));
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));
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)));
sec_ptr += 64;
}
highbd_sad16x4_core_avx2(s, r, sad_acc);
src_ptr += 64;
ref_ptr += 64;
}
}
static AOM_FORCE_INLINE unsigned int aom_highbd_sad128xN_avx2(
int N, 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 < N) {
sad128x1(srcp, refp, NULL, &sad);
srcp += src_stride;
refp += ref_stride;
row++;
}
return get_sad_from_mm256_epi32(&sad);
}
#define HIGHBD_SADMXN_AVX2(m, n) \
unsigned int aom_highbd_sad##m##x##n##_avx2( \
const uint8_t *src, int src_stride, const uint8_t *ref, \
int ref_stride) { \
return aom_highbd_sad##m##xN_avx2(n, src, src_stride, ref, ref_stride); \
}
#define HIGHBD_SAD_SKIP_MXN_AVX2(m, n) \
unsigned int aom_highbd_sad_skip_##m##x##n##_avx2( \
const uint8_t *src, int src_stride, const uint8_t *ref, \
int ref_stride) { \
return 2 * aom_highbd_sad##m##xN_avx2((n / 2), src, 2 * src_stride, ref, \
2 * ref_stride); \
}
HIGHBD_SADMXN_AVX2(16, 4)
HIGHBD_SADMXN_AVX2(16, 8)
HIGHBD_SADMXN_AVX2(16, 16)
HIGHBD_SADMXN_AVX2(16, 32)
HIGHBD_SADMXN_AVX2(16, 64)
HIGHBD_SADMXN_AVX2(32, 8)
HIGHBD_SADMXN_AVX2(32, 16)
HIGHBD_SADMXN_AVX2(32, 32)
HIGHBD_SADMXN_AVX2(32, 64)
HIGHBD_SADMXN_AVX2(64, 16)
HIGHBD_SADMXN_AVX2(64, 32)
HIGHBD_SADMXN_AVX2(64, 64)
HIGHBD_SADMXN_AVX2(64, 128)
HIGHBD_SADMXN_AVX2(128, 64)
HIGHBD_SADMXN_AVX2(128, 128)
HIGHBD_SAD_SKIP_MXN_AVX2(16, 8)
HIGHBD_SAD_SKIP_MXN_AVX2(16, 16)
HIGHBD_SAD_SKIP_MXN_AVX2(16, 32)
HIGHBD_SAD_SKIP_MXN_AVX2(16, 64)
HIGHBD_SAD_SKIP_MXN_AVX2(32, 8)
HIGHBD_SAD_SKIP_MXN_AVX2(32, 16)
HIGHBD_SAD_SKIP_MXN_AVX2(32, 32)
HIGHBD_SAD_SKIP_MXN_AVX2(32, 64)
HIGHBD_SAD_SKIP_MXN_AVX2(64, 16)
HIGHBD_SAD_SKIP_MXN_AVX2(64, 32)
HIGHBD_SAD_SKIP_MXN_AVX2(64, 64)
HIGHBD_SAD_SKIP_MXN_AVX2(64, 128)
HIGHBD_SAD_SKIP_MXN_AVX2(128, 64)
HIGHBD_SAD_SKIP_MXN_AVX2(128, 128)
unsigned int aom_highbd_sad16x4_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);
return get_sad_from_mm256_epi32(&sad);
}
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_sad16x64_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_sad16x32_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_sad16x32_avg_avx2(src, src_stride, ref, ref_stride,
second_pred);
return sum;
}
unsigned int aom_highbd_sad32x8_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 < 2) {
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_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_sad64x16_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 < 8) {
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_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 input vectors v 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(~0);
__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();
}
static AOM_FORCE_INLINE void aom_highbd_sadMxNxD_avx2(
int M, int N, int D, 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 = (M < 128) + (M < 64);
const int row_units = 1 << shift_for_rows;
int i, r;
init_sad(sad_vec);
convert_pointers(ref_array, refp);
for (i = 0; i < D; ++i) {
srcp = keep;
for (r = 0; r < N; r += row_units) {
if (M == 128) {
sad128x1(srcp, refp[i], NULL, &sad_vec[i]);
} else if (M == 64) {
sad64x2(srcp, src_stride, refp[i], ref_stride, NULL, &sad_vec[i]);
} else if (M == 32) {
sad32x4(srcp, src_stride, refp[i], ref_stride, 0, &sad_vec[i]);
} else if (M == 16) {
sad16x4(srcp, src_stride, refp[i], ref_stride, 0, &sad_vec[i]);
} else {
assert(0);
}
srcp += src_stride << shift_for_rows;
refp[i] += ref_stride << shift_for_rows;
}
}
get_4d_sad_from_mm256_epi32(sad_vec, sad_array);
}
#define HIGHBD_SAD_MXNX4D_AVX2(m, n) \
void aom_highbd_sad##m##x##n##x4d_avx2( \
const uint8_t *src, int src_stride, const uint8_t *const ref_array[], \
int ref_stride, uint32_t *sad_array) { \
aom_highbd_sadMxNxD_avx2(m, n, 4, src, src_stride, ref_array, ref_stride, \
sad_array); \
}
#define HIGHBD_SAD_SKIP_MXNX4D_AVX2(m, n) \
void aom_highbd_sad_skip_##m##x##n##x4d_avx2( \
const uint8_t *src, int src_stride, const uint8_t *const ref_array[], \
int ref_stride, uint32_t *sad_array) { \
aom_highbd_sadMxNxD_avx2(m, (n / 2), 4, src, 2 * src_stride, ref_array, \
2 * ref_stride, sad_array); \
sad_array[0] <<= 1; \
sad_array[1] <<= 1; \
sad_array[2] <<= 1; \
sad_array[3] <<= 1; \
}
#define HIGHBD_SAD_MXNX3D_AVX2(m, n) \
void aom_highbd_sad##m##x##n##x3d_avx2( \
const uint8_t *src, int src_stride, const uint8_t *const ref_array[], \
int ref_stride, uint32_t *sad_array) { \
aom_highbd_sadMxNxD_avx2(m, n, 3, src, src_stride, ref_array, ref_stride, \
sad_array); \
}
HIGHBD_SAD_MXNX4D_AVX2(16, 4)
HIGHBD_SAD_MXNX4D_AVX2(16, 8)
HIGHBD_SAD_MXNX4D_AVX2(16, 16)
HIGHBD_SAD_MXNX4D_AVX2(16, 32)
HIGHBD_SAD_MXNX4D_AVX2(16, 64)
HIGHBD_SAD_MXNX4D_AVX2(32, 8)
HIGHBD_SAD_MXNX4D_AVX2(32, 16)
HIGHBD_SAD_MXNX4D_AVX2(32, 32)
HIGHBD_SAD_MXNX4D_AVX2(32, 64)
HIGHBD_SAD_MXNX4D_AVX2(64, 16)
HIGHBD_SAD_MXNX4D_AVX2(64, 32)
HIGHBD_SAD_MXNX4D_AVX2(64, 64)
HIGHBD_SAD_MXNX4D_AVX2(64, 128)
HIGHBD_SAD_MXNX4D_AVX2(128, 64)
HIGHBD_SAD_MXNX4D_AVX2(128, 128)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(16, 8)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(16, 16)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(16, 32)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(16, 64)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(32, 8)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(32, 16)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(32, 32)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(32, 64)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(64, 16)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(64, 32)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(64, 64)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(64, 128)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(128, 64)
HIGHBD_SAD_SKIP_MXNX4D_AVX2(128, 128)
HIGHBD_SAD_MXNX3D_AVX2(16, 4)
HIGHBD_SAD_MXNX3D_AVX2(16, 8)
HIGHBD_SAD_MXNX3D_AVX2(16, 16)
HIGHBD_SAD_MXNX3D_AVX2(16, 32)
HIGHBD_SAD_MXNX3D_AVX2(16, 64)
HIGHBD_SAD_MXNX3D_AVX2(32, 8)
HIGHBD_SAD_MXNX3D_AVX2(32, 16)
HIGHBD_SAD_MXNX3D_AVX2(32, 32)
HIGHBD_SAD_MXNX3D_AVX2(32, 64)
HIGHBD_SAD_MXNX3D_AVX2(64, 16)
HIGHBD_SAD_MXNX3D_AVX2(64, 32)
HIGHBD_SAD_MXNX3D_AVX2(64, 64)
HIGHBD_SAD_MXNX3D_AVX2(64, 128)
HIGHBD_SAD_MXNX3D_AVX2(128, 64)
HIGHBD_SAD_MXNX3D_AVX2(128, 128)
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