https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108191
--- Comment #6 from 罗勇刚(Yonggang Luo) <luoyonggang at gmail dot com> --- Is the following command are valid usage? It's compiled properly ``` // compile args: -fPIC -O2 -D__SSE3__=1 -D__SSSE3__=1 -D__SSE4_1__=1 -D__SSE4_2__=1 -D__SSE4A__=1 -D__POPCNT__=1 -D__XSAVE__=1 -D__CRC32__=1 -D__AVX__=1 -D__AVX2__=1 -D__FP_FAST_FMAF32=1 -D__FP_FAST_FMAF64=1 -D__FP_FAST_FMAF=1 -D__FP_FAST_FMAF32x=1 -D__AVX512F__=1 -D__AVX512CD__=1 #include <math.h> #pragma GCC push_options #pragma GCC target("avx512f") #pragma GCC target("avx512cd") #pragma GCC target("sse4a") #if defined(_MSC_VER) #include <intrin.h> #else #include <x86intrin.h> #endif #pragma GCC pop_options #pragma GCC push_options #pragma GCC target("avx512f") #pragma GCC target("avx512cd") #pragma GCC target("sse4a") void util_fadd_512(float *a, float *b, float *c) { /* a = b + c */ __m512 av = _mm512_load_ps(a); __m512 bv = _mm512_load_ps(b); __m512 cv = _mm512_add_ps(av, bv); _mm512_store_ps(c, cv); } static inline int util_iround(float f) { __m128 m = _mm_set_ss(f); return _mm_cvtss_i32(m); } #pragma GCC pop_options int util_iround_outside(int x, float y) { return x + util_iround(y); } float util_fadd(float a, float b) { return a + b; } ```