You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
749 B
21 lines
749 B
1 year ago
|
#if defined(DETECT_FEATURES) && defined(__INTEL_COMPILER)
|
||
|
|
/*
|
||
|
|
* Unlike GCC and CLANG, Intel Compiler exposes all supported intrinsics,
|
||
|
|
* whether or not the build options for those features are specified.
|
||
|
|
* Therefore, we must test #definitions of CPU features when option native/host
|
||
|
|
* is enabled via `--cpu-baseline` or through env var `CFLAGS` otherwise
|
||
|
|
* the test will be broken and leads to enable all possible features.
|
||
|
|
*/
|
||
|
|
#ifndef __AVX2__
|
||
|
|
#error "HOST/ARCH doesn't support AVX2"
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <immintrin.h>
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
__m256i a = _mm256_abs_epi16(_mm256_loadu_si256((const __m256i*)argv[argc-1]));
|
||
|
|
return _mm_cvtsi128_si32(_mm256_castsi256_si128(a));
|
||
|
|
}
|