관리-도구

편집 파일: cpu_avx512_spr.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. */ #if !defined(__AVX512FP16__) #error "HOST/ARCH doesn't support Sapphire Rapids AVX512FP16 features" #endif #endif #include <immintrin.h> int main(int argc, char **argv) { /* clang has a bug regarding our spr coode, see gh-23730. */ #if __clang__ #error #endif __m512h a = _mm512_loadu_ph((void*)argv[argc-1]); __m512h temp = _mm512_fmadd_ph(a, a, a); _mm512_storeu_ph((void*)(argv[argc-1]), temp); return 0; }