/* 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 :
* 2021 Evan Nemerson < evan @ nemerson . com >
*/
#if !defined (SIMDE_ARM_SVE_PTEST_H)
#define SIMDE_ARM_SVE_PTEST_H
#include "types.h"
HEDLEY_DIAGNOSTIC_PUSH
SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
SIMDE_FUNCTION_ATTRIBUTES
simde_bool
simde_svptest_first(simde_svbool_t pg, simde_svbool_t op) {
#if defined (SIMDE_ARM_SVE_NATIVE)
return svptest_first(pg, op);
#elif defined (SIMDE_X86_AVX512BW_NATIVE) && (!defined (HEDLEY_MSVC_VERSION) || HEDLEY_MSVC_VERSION_CHECK(19 ,20 ,0 ))
if (HEDLEY_LIKELY(pg.value & 1 ))
return op.value & 1 ;
if (pg.value == 0 || op.value == 0 )
return 0 ;
#if defined (_MSC_VER)
unsigned long r = 0 ;
_BitScanForward64(&r, HEDLEY_STATIC_CAST(uint64_t, pg.value));
return (op.value >> r) & 1 ;
#else
return (op.value >> __builtin_ctzll(HEDLEY_STATIC_CAST(unsigned long long, pg.value))) & 1 ;
#endif
#else
for (int i = 0 ; i < HEDLEY_STATIC_CAST(int, simde_svcntb()) ; i++) {
if (pg.values_i8[i]) {
return !!op.values_i8[i];
}
}
return 0 ;
#endif
}
#if defined (SIMDE_ARM_SVE_ENABLE_NATIVE_ALIASES)
#undef simde_svptest_first
#define svptest_first(pg, op) simde_svptest_first(pg, op)
#endif
HEDLEY_DIAGNOSTIC_POP
#endif /* SIMDE_ARM_SVE_PTEST_H */
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