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