gcc/testsuite/gcc.target/i386/avx512f-vrcp14ss-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-mavx512f -O2" } */
   3 /* { dg-require-effective-target avx512f } */
   4
   5 #include "avx512f-check.h"
   6
   7 static void
   8 compute_vrcp14ss (float *s1, float *s2, float *r)
   9 {
  10   r[0] = 1.0 / s2[0];
  11   r[1] = s1[1];
  12   r[2] = s1[2];
  13   r[3] = s1[3];
  14 }
  15
  16 static void
  17 avx512f_test (void)
  18 {
  19   union128 s1, s2, res1;
  20   float res_ref[4];
  21
  22   s1.x = _mm_set_ps (-24.043, 68.346, -43.35, 546.46);
  23   s2.x = _mm_set_ps (222.222, 333.333, 444.444, -2.0);
  24
  25   res1.x = _mm_rcp14_ss (s1.x, s2.x);
  26
  27   compute_vrcp14ss (s1.a, s2.a, res_ref);
  28
  29   if (checkVf (res1.a, res_ref, 4))
  30     abort ();
  31 }