/*
* Copyright (c) 2023, 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 <assert.h>
#include "config/aom_config.h"
#include "config/av1_rtcd.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/arm/aom_neon_sve_bridge.h"
#include "aom_dsp/arm/mem_neon.h"
int64_t av1_block_error_sve(
const tran_low_t *coeff,
const tran_low_t *dqcoeff,
intptr_t block_size, int64_t *ssz) {
int64x2_t error[
2] = { vdupq_n_s64(
0), vdupq_n_s64(
0) };
int64x2_t sqcoeff[
2] = { vdupq_n_s64(
0), vdupq_n_s64(
0) };
assert(block_size >=
16);
assert((block_size %
16) ==
0);
do {
const int16x8_t c0 = load_tran_low_to_s16q(coeff);
const int16x8_t c1 = load_tran_low_to_s16q(coeff +
8);
const int16x8_t d0 = load_tran_low_to_s16q(dqcoeff);
const int16x8_t d1 = load_tran_low_to_s16q(dqcoeff +
8);
const int16x8_t diff0 = vsubq_s16(c0, d0);
const int16x8_t diff1 = vsubq_s16(c1, d1);
error[
0] = aom_sdotq_s16(error[
0], diff0, diff0);
error[
1] = aom_sdotq_s16(error[
1], diff1, diff1);
sqcoeff[
0] = aom_sdotq_s16(sqcoeff[
0], c0, c0);
sqcoeff[
1] = aom_sdotq_s16(sqcoeff[
1], c1, c1);
coeff +=
16;
dqcoeff +=
16;
block_size -=
16;
}
while (block_size !=
0);
*ssz = vaddvq_s64(vaddq_s64(sqcoeff[
0], sqcoeff[
1]));
return vaddvq_s64(vaddq_s64(error[
0], error[
1]));
}
int64_t av1_block_error_lp_sve(
const int16_t *coeff,
const int16_t *dqcoeff,
intptr_t block_size) {
if (block_size %
32 ==
0) {
int64x2_t error[
4] = { vdupq_n_s64(
0), vdupq_n_s64(
0), vdupq_n_s64(
0),
vdupq_n_s64(
0) };
do {
const int16x8_t c0 = vld1q_s16(coeff);
const int16x8_t c1 = vld1q_s16(coeff +
8);
const int16x8_t c2 = vld1q_s16(coeff +
16);
const int16x8_t c3 = vld1q_s16(coeff +
24);
const int16x8_t d0 = vld1q_s16(dqcoeff);
const int16x8_t d1 = vld1q_s16(dqcoeff +
8);
const int16x8_t d2 = vld1q_s16(dqcoeff +
16);
const int16x8_t d3 = vld1q_s16(dqcoeff +
24);
const int16x8_t diff0 = vsubq_s16(c0, d0);
const int16x8_t diff1 = vsubq_s16(c1, d1);
const int16x8_t diff2 = vsubq_s16(c2, d2);
const int16x8_t diff3 = vsubq_s16(c3, d3);
error[
0] = aom_sdotq_s16(error[
0], diff0, diff0);
error[
1] = aom_sdotq_s16(error[
1], diff1, diff1);
error[
2] = aom_sdotq_s16(error[
2], diff2, diff2);
error[
3] = aom_sdotq_s16(error[
3], diff3, diff3);
coeff +=
32;
dqcoeff +=
32;
block_size -=
32;
}
while (block_size !=
0);
error[
0] = vaddq_s64(error[
0], error[
1]);
error[
2] = vaddq_s64(error[
2], error[
3]);
error[
0] = vaddq_s64(error[
0], error[
2]);
return vaddvq_s64(error[
0]);
}
assert(block_size ==
16);
int64x2_t error[
2] = { vdupq_n_s64(
0), vdupq_n_s64(
0) };
do {
const int16x8_t c0 = vld1q_s16(coeff);
const int16x8_t c1 = vld1q_s16(coeff +
8);
const int16x8_t d0 = vld1q_s16(dqcoeff);
const int16x8_t d1 = vld1q_s16(dqcoeff +
8);
const int16x8_t diff0 = vsubq_s16(c0, d0);
const int16x8_t diff1 = vsubq_s16(c1, d1);
error[
0] = aom_sdotq_s16(error[
0], diff0, diff0);
error[
1] = aom_sdotq_s16(error[
1], diff1, diff1);
coeff +=
16;
dqcoeff +=
16;
block_size -=
16;
}
while (block_size !=
0);
return vaddvq_s64(vaddq_s64(error[
0], error[
1]));
}
