21 lines
705 B
C
21 lines
705 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 __SSSE3__
|
||
|
|
#error "HOST/ARCH doesn't support SSSE3"
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <tmmintrin.h>
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
__m128i a = _mm_hadd_epi16(_mm_setzero_si128(), _mm_setzero_si128());
|
||
|
|
return (int)_mm_cvtsi128_si32(a);
|
||
|
|
}
|