78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Copyright:
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* 2020 Evan Nemerson <evan@nemerson.com>
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* 2020 Hidayat Khan <huk2209@gmail.com>
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*/
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#if !defined(SIMDE_X86_AVX512_SAD_H)
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#define SIMDE_X86_AVX512_SAD_H
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#include "types.h"
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#include "../avx2.h"
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#include "mov.h"
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HEDLEY_DIAGNOSTIC_PUSH
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SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
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SIMDE_BEGIN_DECLS_
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SIMDE_FUNCTION_ATTRIBUTES
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simde__m512i
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simde_mm512_sad_epu8 (simde__m512i a, simde__m512i b) {
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#if defined(SIMDE_X86_AVX512BW_NATIVE)
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return _mm512_sad_epu8(a, b);
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#else
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simde__m512i_private
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r_,
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a_ = simde__m512i_to_private(a),
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b_ = simde__m512i_to_private(b);
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#if SIMDE_NATURAL_VECTOR_SIZE_LE(256)
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for (size_t i = 0 ; i < (sizeof(r_.m256i) / sizeof(r_.m256i[0])) ; i++) {
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r_.m256i[i] = simde_mm256_sad_epu8(a_.m256i[i], b_.m256i[i]);
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}
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#else
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for (size_t i = 0 ; i < (sizeof(r_.i64) / sizeof(r_.i64[0])) ; i++) {
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uint16_t tmp = 0;
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SIMDE_VECTORIZE_REDUCTION(+:tmp)
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for (size_t j = 0 ; j < ((sizeof(r_.u8) / sizeof(r_.u8[0])) / 8) ; j++) {
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const size_t e = j + (i * 8);
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tmp += (a_.u8[e] > b_.u8[e]) ? (a_.u8[e] - b_.u8[e]) : (b_.u8[e] - a_.u8[e]);
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}
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r_.i64[i] = tmp;
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}
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#endif
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return simde__m512i_from_private(r_);
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#endif
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}
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#if defined(SIMDE_X86_AVX512BW_ENABLE_NATIVE_ALIASES)
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#undef _mm512_sad_epu8
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#define _mm512_sad_epu8(a, b) simde_mm512_sad_epu8(a, b)
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#endif
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SIMDE_END_DECLS_
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HEDLEY_DIAGNOSTIC_POP
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#endif /* !defined(SIMDE_X86_AVX512_SAD_H) */
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