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/*
* Copyright (c) 2024 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <arm_neon.h>
#include <assert.h>
#include "./vp9_rtcd.h"
#include "vpx_dsp/arm/mem_neon.h"
#include "vpx_dsp/arm/sum_neon.h"
#include "vpx_dsp/arm/vpx_neon_sve_bridge.h"
int64_t vp9_block_error_sve(const tran_low_t *coeff, const tran_low_t *dqcoeff,
intptr_t block_size, int64_t *ssz) {
int64x2_t err_v = vdupq_n_s64(0);
int64x2_t ssz_v = 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 = vabdq_s16(c0, d0);
const int16x8_t diff1 = vabdq_s16(c1, d1);
err_v = vpx_dotq_s16(err_v, diff0, diff0);
err_v = vpx_dotq_s16(err_v, diff1, diff1);
ssz_v = vpx_dotq_s16(ssz_v, c0, c0);
ssz_v = vpx_dotq_s16(ssz_v, c1, c1);
coeff += 16;
dqcoeff += 16;
block_size -= 16;
} while (block_size != 0);
*ssz = horizontal_add_int64x2(ssz_v);
return horizontal_add_int64x2(err_v);
}
int64_t vp9_block_error_fp_sve(const tran_low_t *coeff,
const tran_low_t *dqcoeff, int block_size) {
int64x2_t err = 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 = vabdq_s16(c0, d0);
const int16x8_t diff1 = vabdq_s16(c1, d1);
err = vpx_dotq_s16(err, diff0, diff0);
err = vpx_dotq_s16(err, diff1, diff1);
coeff += 16;
dqcoeff += 16;
block_size -= 16;
} while (block_size != 0);
return horizontal_add_int64x2(err);
}
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