Inzynierka/Lib/site-packages/numpy/distutils/checks/cpu_sse41.c
2023-06-02 12:51:02 +02:00

21 lines
675 B
C

#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 __SSE4_1__
#error "HOST/ARCH doesn't support SSE41"
#endif
#endif
#include <smmintrin.h>
int main(void)
{
__m128 a = _mm_floor_ps(_mm_setzero_ps());
return (int)_mm_cvtss_f32(a);
}