blob: 32b9e9d1531025a6597999b8c4b52624620cd09e [file] [log] [blame]
/*
* 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 <arm_neon.h>
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom/aom_integer.h"
unsigned int aom_sad8x16_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride) {
uint8x8_t d0, d8;
uint16x8_t q12;
uint32x4_t q1;
uint64x2_t q3;
uint32x2_t d5;
int i;
d0 = vld1_u8(src_ptr);
src_ptr += src_stride;
d8 = vld1_u8(ref_ptr);
ref_ptr += ref_stride;
q12 = vabdl_u8(d0, d8);
for (i = 0; i < 15; i++) {
d0 = vld1_u8(src_ptr);
src_ptr += src_stride;
d8 = vld1_u8(ref_ptr);
ref_ptr += ref_stride;
q12 = vabal_u8(q12, d0, d8);
}
q1 = vpaddlq_u16(q12);
q3 = vpaddlq_u32(q1);
d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)),
vreinterpret_u32_u64(vget_high_u64(q3)));
return vget_lane_u32(d5, 0);
}
unsigned int aom_sad4x4_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride) {
uint8x8_t d0, d8;
uint16x8_t q12;
uint32x2_t d1;
uint64x1_t d3;
int i;
d0 = vld1_u8(src_ptr);
src_ptr += src_stride;
d8 = vld1_u8(ref_ptr);
ref_ptr += ref_stride;
q12 = vabdl_u8(d0, d8);
for (i = 0; i < 3; i++) {
d0 = vld1_u8(src_ptr);
src_ptr += src_stride;
d8 = vld1_u8(ref_ptr);
ref_ptr += ref_stride;
q12 = vabal_u8(q12, d0, d8);
}
d1 = vpaddl_u16(vget_low_u16(q12));
d3 = vpaddl_u32(d1);
return vget_lane_u32(vreinterpret_u32_u64(d3), 0);
}
unsigned int aom_sad16x8_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride) {
uint8x16_t q0, q4;
uint16x8_t q12, q13;
uint32x4_t q1;
uint64x2_t q3;
uint32x2_t d5;
int i;
q0 = vld1q_u8(src_ptr);
src_ptr += src_stride;
q4 = vld1q_u8(ref_ptr);
ref_ptr += ref_stride;
q12 = vabdl_u8(vget_low_u8(q0), vget_low_u8(q4));
q13 = vabdl_u8(vget_high_u8(q0), vget_high_u8(q4));
for (i = 0; i < 7; i++) {
q0 = vld1q_u8(src_ptr);
src_ptr += src_stride;
q4 = vld1q_u8(ref_ptr);
ref_ptr += ref_stride;
q12 = vabal_u8(q12, vget_low_u8(q0), vget_low_u8(q4));
q13 = vabal_u8(q13, vget_high_u8(q0), vget_high_u8(q4));
}
q12 = vaddq_u16(q12, q13);
q1 = vpaddlq_u16(q12);
q3 = vpaddlq_u32(q1);
d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)),
vreinterpret_u32_u64(vget_high_u64(q3)));
return vget_lane_u32(d5, 0);
}
static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
const uint16x8_t vec_hi) {
const uint32x4_t vec_l_lo =
vaddl_u16(vget_low_u16(vec_lo), vget_high_u16(vec_lo));
const uint32x4_t vec_l_hi =
vaddl_u16(vget_low_u16(vec_hi), vget_high_u16(vec_hi));
const uint32x4_t a = vaddq_u32(vec_l_lo, vec_l_hi);
const uint64x2_t b = vpaddlq_u32(a);
const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
vreinterpret_u32_u64(vget_high_u64(b)));
return vget_lane_u32(c, 0);
}
static INLINE unsigned int horizontal_add_16x8(const uint16x8_t vec_16x8) {
const uint32x4_t a = vpaddlq_u16(vec_16x8);
const uint64x2_t b = vpaddlq_u32(a);
const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
vreinterpret_u32_u64(vget_high_u64(b)));
return vget_lane_u32(c, 0);
}
unsigned int aom_sad64x64_neon(const uint8_t *src, int src_stride,
const uint8_t *ref, int ref_stride) {
int i;
uint16x8_t vec_accum_lo = vdupq_n_u16(0);
uint16x8_t vec_accum_hi = vdupq_n_u16(0);
for (i = 0; i < 64; ++i) {
const uint8x16_t vec_src_00 = vld1q_u8(src);
const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
const uint8x16_t vec_src_32 = vld1q_u8(src + 32);
const uint8x16_t vec_src_48 = vld1q_u8(src + 48);
const uint8x16_t vec_ref_00 = vld1q_u8(ref);
const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
const uint8x16_t vec_ref_32 = vld1q_u8(ref + 32);
const uint8x16_t vec_ref_48 = vld1q_u8(ref + 48);
src += src_stride;
ref += ref_stride;
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_00),
vget_low_u8(vec_ref_00));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_00),
vget_high_u8(vec_ref_00));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_16),
vget_low_u8(vec_ref_16));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_16),
vget_high_u8(vec_ref_16));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_32),
vget_low_u8(vec_ref_32));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_32),
vget_high_u8(vec_ref_32));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_48),
vget_low_u8(vec_ref_48));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_48),
vget_high_u8(vec_ref_48));
}
return horizontal_long_add_16x8(vec_accum_lo, vec_accum_hi);
}
unsigned int aom_sad128x128_neon(const uint8_t *src, int src_stride,
const uint8_t *ref, int ref_stride) {
uint16x8_t vec_accum_lo, vec_accum_hi;
uint32x4_t vec_accum_32lo = vdupq_n_u32(0);
uint32x4_t vec_accum_32hi = vdupq_n_u32(0);
uint16x8_t tmp;
for (int i = 0; i < 128; ++i) {
const uint8x16_t vec_src_00 = vld1q_u8(src);
const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
const uint8x16_t vec_src_32 = vld1q_u8(src + 32);
const uint8x16_t vec_src_48 = vld1q_u8(src + 48);
const uint8x16_t vec_src_64 = vld1q_u8(src + 64);
const uint8x16_t vec_src_80 = vld1q_u8(src + 80);
const uint8x16_t vec_src_96 = vld1q_u8(src + 96);
const uint8x16_t vec_src_112 = vld1q_u8(src + 112);
const uint8x16_t vec_ref_00 = vld1q_u8(ref);
const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
const uint8x16_t vec_ref_32 = vld1q_u8(ref + 32);
const uint8x16_t vec_ref_48 = vld1q_u8(ref + 48);
const uint8x16_t vec_ref_64 = vld1q_u8(ref + 64);
const uint8x16_t vec_ref_80 = vld1q_u8(ref + 80);
const uint8x16_t vec_ref_96 = vld1q_u8(ref + 96);
const uint8x16_t vec_ref_112 = vld1q_u8(ref + 112);
src += src_stride;
ref += ref_stride;
vec_accum_lo = vdupq_n_u16(0);
vec_accum_hi = vdupq_n_u16(0);
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_00),
vget_low_u8(vec_ref_00));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_00),
vget_high_u8(vec_ref_00));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_16),
vget_low_u8(vec_ref_16));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_16),
vget_high_u8(vec_ref_16));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_32),
vget_low_u8(vec_ref_32));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_32),
vget_high_u8(vec_ref_32));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_48),
vget_low_u8(vec_ref_48));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_48),
vget_high_u8(vec_ref_48));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_64),
vget_low_u8(vec_ref_64));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_64),
vget_high_u8(vec_ref_64));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_80),
vget_low_u8(vec_ref_80));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_80),
vget_high_u8(vec_ref_80));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_96),
vget_low_u8(vec_ref_96));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_96),
vget_high_u8(vec_ref_96));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_112),
vget_low_u8(vec_ref_112));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_112),
vget_high_u8(vec_ref_112));
tmp = vaddq_u16(vec_accum_lo, vec_accum_hi);
vec_accum_32lo = vaddw_u16(vec_accum_32lo, vget_low_u16(tmp));
vec_accum_32hi = vaddw_u16(vec_accum_32hi, vget_high_u16(tmp));
}
const uint32x4_t a = vaddq_u32(vec_accum_32lo, vec_accum_32hi);
const uint64x2_t b = vpaddlq_u32(a);
const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
vreinterpret_u32_u64(vget_high_u64(b)));
return vget_lane_u32(c, 0);
}
unsigned int aom_sad32x32_neon(const uint8_t *src, int src_stride,
const uint8_t *ref, int ref_stride) {
int i;
uint16x8_t vec_accum_lo = vdupq_n_u16(0);
uint16x8_t vec_accum_hi = vdupq_n_u16(0);
for (i = 0; i < 32; ++i) {
const uint8x16_t vec_src_00 = vld1q_u8(src);
const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
const uint8x16_t vec_ref_00 = vld1q_u8(ref);
const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
src += src_stride;
ref += ref_stride;
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_00),
vget_low_u8(vec_ref_00));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_00),
vget_high_u8(vec_ref_00));
vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_16),
vget_low_u8(vec_ref_16));
vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_16),
vget_high_u8(vec_ref_16));
}
return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
}
unsigned int aom_sad16x16_neon(const uint8_t *src, int src_stride,
const uint8_t *ref, int ref_stride) {
int i;
uint16x8_t vec_accum_lo = vdupq_n_u16(0);
uint16x8_t vec_accum_hi = vdupq_n_u16(0);
for (i = 0; i < 16; ++i) {
const uint8x16_t vec_src = vld1q_u8(src);
const uint8x16_t vec_ref = vld1q_u8(ref);
src += src_stride;
ref += ref_stride;
vec_accum_lo =
vabal_u8(vec_accum_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref));
vec_accum_hi =
vabal_u8(vec_accum_hi, vget_high_u8(vec_src), vget_high_u8(vec_ref));
}
return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
}
unsigned int aom_sad8x8_neon(const uint8_t *src, int src_stride,
const uint8_t *ref, int ref_stride) {
int i;
uint16x8_t vec_accum = vdupq_n_u16(0);
for (i = 0; i < 8; ++i) {
const uint8x8_t vec_src = vld1_u8(src);
const uint8x8_t vec_ref = vld1_u8(ref);
src += src_stride;
ref += ref_stride;
vec_accum = vabal_u8(vec_accum, vec_src, vec_ref);
}
return horizontal_add_16x8(vec_accum);
}
static INLINE unsigned int sad128xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
int sum = 0;
for (int i = 0; i < h; i++) {
uint16x8_t q3 = vdupq_n_u16(0);
uint8x16_t q0 = vld1q_u8(src_ptr);
uint8x16_t q1 = vld1q_u8(ref_ptr);
uint8x16_t q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 16);
q1 = vld1q_u8(ref_ptr + 16);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 32);
q1 = vld1q_u8(ref_ptr + 32);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 48);
q1 = vld1q_u8(ref_ptr + 48);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 64);
q1 = vld1q_u8(ref_ptr + 64);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 80);
q1 = vld1q_u8(ref_ptr + 80);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 96);
q1 = vld1q_u8(ref_ptr + 96);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 112);
q1 = vld1q_u8(ref_ptr + 112);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
src_ptr += src_stride;
ref_ptr += ref_stride;
sum += horizontal_add_16x8(q3);
}
return sum;
}
static INLINE unsigned int sad64xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
int sum = 0;
for (int i = 0; i < h; i++) {
uint16x8_t q3 = vdupq_n_u16(0);
uint8x16_t q0 = vld1q_u8(src_ptr);
uint8x16_t q1 = vld1q_u8(ref_ptr);
uint8x16_t q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 16);
q1 = vld1q_u8(ref_ptr + 16);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 32);
q1 = vld1q_u8(ref_ptr + 32);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 48);
q1 = vld1q_u8(ref_ptr + 48);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
src_ptr += src_stride;
ref_ptr += ref_stride;
sum += horizontal_add_16x8(q3);
}
return sum;
}
static INLINE unsigned int sad32xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
int sum = 0;
for (int i = 0; i < h; i++) {
uint16x8_t q3 = vdupq_n_u16(0);
uint8x16_t q0 = vld1q_u8(src_ptr);
uint8x16_t q1 = vld1q_u8(ref_ptr);
uint8x16_t q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
q0 = vld1q_u8(src_ptr + 16);
q1 = vld1q_u8(ref_ptr + 16);
q2 = vabdq_u8(q0, q1);
q3 = vpadalq_u8(q3, q2);
sum += horizontal_add_16x8(q3);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
return sum;
}
static INLINE unsigned int sad16xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
int sum = 0;
for (int i = 0; i < h; i++) {
uint8x8_t q0 = vld1_u8(src_ptr);
uint8x8_t q1 = vld1_u8(ref_ptr);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 0);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 1);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 2);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 3);
q0 = vld1_u8(src_ptr + 8);
q1 = vld1_u8(ref_ptr + 8);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 0);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 1);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 2);
sum += vget_lane_u16(vpaddl_u8(vabd_u8(q0, q1)), 3);
src_ptr += src_stride;
ref_ptr += ref_stride;
}
return sum;
}
static INLINE unsigned int sad8xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint16x8_t q3 = vdupq_n_u16(0);
for (int y = 0; y < h; y++) {
uint8x8_t q0 = vld1_u8(src_ptr);
uint8x8_t q1 = vld1_u8(ref_ptr);
src_ptr += src_stride;
ref_ptr += ref_stride;
q3 = vabal_u8(q3, q0, q1);
}
return horizontal_add_16x8(q3);
}
static INLINE unsigned int sad4xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint16x8_t q3 = vdupq_n_u16(0);
uint32x2_t q0 = vdup_n_u32(0);
uint32x2_t q1 = vdup_n_u32(0);
uint32_t src4, ref4;
for (int y = 0; y < h / 2; y++) {
memcpy(&src4, src_ptr, 4);
memcpy(&ref4, ref_ptr, 4);
src_ptr += src_stride;
ref_ptr += ref_stride;
q0 = vset_lane_u32(src4, q0, 0);
q1 = vset_lane_u32(ref4, q1, 0);
memcpy(&src4, src_ptr, 4);
memcpy(&ref4, ref_ptr, 4);
src_ptr += src_stride;
ref_ptr += ref_stride;
q0 = vset_lane_u32(src4, q0, 1);
q1 = vset_lane_u32(ref4, q1, 1);
q3 = vabal_u8(q3, vreinterpret_u8_u32(q0), vreinterpret_u8_u32(q1));
}
return horizontal_add_16x8(q3);
}
#define FSADS128_H(h) \
unsigned int aom_sad_skip_128x##h##_neon( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
const uint32_t sum = sad128xh_neon(src_ptr, 2 * src_stride, ref_ptr, \
2 * ref_stride, h / 2); \
return 2 * sum; \
}
FSADS128_H(128);
FSADS128_H(64);
#undef FSADS128_H
#define FSADS64_H(h) \
unsigned int aom_sad_skip_64x##h##_neon( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad64xh_neon(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
FSADS64_H(128);
FSADS64_H(64);
FSADS64_H(32);
FSADS64_H(16);
#undef FSADS64_H
#define FSADS32_H(h) \
unsigned int aom_sad_skip_32x##h##_neon( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad32xh_neon(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
FSADS32_H(64);
FSADS32_H(32);
FSADS32_H(16);
FSADS32_H(8);
#undef FSADS32_H
#define FSADS16_H(h) \
unsigned int aom_sad_skip_16x##h##_neon( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad16xh_neon(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
FSADS16_H(64);
FSADS16_H(32);
FSADS16_H(16);
FSADS16_H(8);
#undef FSADS16_H
#define FSADS8_H(h) \
unsigned int aom_sad_skip_8x##h##_neon( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad8xh_neon(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
FSADS8_H(32);
FSADS8_H(16);
FSADS8_H(8);
#undef FSADS8_H
#define FSADS4_H(h) \
unsigned int aom_sad_skip_4x##h##_neon( \
const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
int ref_stride) { \
return 2 * sad4xh_neon(src_ptr, src_stride * 2, ref_ptr, ref_stride * 2, \
h / 2); \
}
FSADS4_H(16);
FSADS4_H(8);
#undef FSADS4_H