done

lib/python3.11/site-packages/numpy/distutils/checks/cpu_fma4.c

@@ -0,0 +1,13 @@
+#include <immintrin.h>
+#ifdef _MSC_VER
+    #include <ammintrin.h>
+#else
+    #include <x86intrin.h>
+#endif
+
+int main(int argc, char **argv)
+{
+    __m256 a = _mm256_loadu_ps((const float*)argv[argc-1]);
+           a = _mm256_macc_ps(a, a, a);
+    return (int)_mm_cvtss_f32(_mm256_castps256_ps128(a));
+}