Remove unnecessary checks

2 files changed, 5 insertions, 35 deletions

diff --git a/numpy/distutils/checks/cpu_avx512_spr.c b/numpy/distutils/checks/cpu_avx512_spr.c
index 763392fba..3c9575a57 100644
--- a/numpy/distutils/checks/cpu_avx512_spr.c
+++ b/numpy/distutils/checks/cpu_avx512_spr.c
@@ -6,8 +6,8 @@
      * 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(__AVX512VL__) || !defined(__AVX512BW__) || !defined(__AVX512DQ__) || !defined(__AVX512FP16__)
-        #error "HOST/ARCH doesn't support Sapphire Rapids AVX512 features"
+    #if !defined(__AVX512FP16__)
+        #error "HOST/ARCH doesn't support Sapphire Rapids AVX512FP16 features"
     #endif
 #endif
 
@@ -15,15 +15,8 @@
 
 int main(int argc, char **argv)
 {
-    __m512i aa = _mm512_abs_epi32(_mm512_loadu_si512((const __m512i*)argv[argc-1]));
-    /* VL */
-    __m256i a = _mm256_abs_epi64(_mm512_extracti64x4_epi64(aa, 1));
-    /* DQ */
-    __m512i b = _mm512_broadcast_i32x8(a);
-    /* BW */
-    b = _mm512_abs_epi16(b);
-    /* FP16 */
-    __m256h temp = _mm512_cvtepi32_ph(b);
-    _mm256_storeu_epi32((void*)(argv[argc-1]), _mm256_castph_si256(temp));
+    __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;
 }
diff --git a/numpy/distutils/checks/cpu_avx512fp16.c b/numpy/distutils/checks/cpu_avx512fp16.c
deleted file mode 100644
index fa5248ff7..000000000
--- a/numpy/distutils/checks/cpu_avx512fp16.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#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 __AVX512FP16__
-        #error "HOST/ARCH doesn't support AVX512FP16"
-    #endif
-#endif
-
-#include <immintrin.h>
-
-int main(int argc, char **argv)
-{
-    __m256h a = _mm256_set1_ph(2.0);
-    __m512 b = _mm512_cvtxph_ps(a);
-    __m512i c = _mm512_cvt_roundps_epi32(b, _MM_FROUND_TO_NEAREST_INT|_MM_FROUND_NO_EXC);
-    _mm512_storeu_epi32((void*)argv[argc-1], c);
-    return 0;
-}