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 #include "avx512f-helper.h"
   7
   8 static void
   9 compute_vrcp14ss (float *s1, float *s2, float *r)
  10 {
  11   r[0] = 1.0 / s2[0];
  12   r[1] = s1[1];
  13   r[2] = s1[2];
  14   r[3] = s1[3];
  15 }
  16
  17 static void
  18 avx512f_test (void)
  19 {
  20   union128 s1, s2, res1, res2, res3;
  21   float res_ref[4];
  22   __mmask8 m = 0;
  23
  24   s1.x = _mm_set_ps (-24.043, 68.346, -43.35, 546.46);
  25   s2.x = _mm_set_ps (222.222, 333.333, 444.444, -2.0);
  26
  27   res1.x = _mm_rcp14_ss (s1.x, s2.x);
  28
  29   compute_vrcp14ss (s1.a, s2.a, res_ref);
  30
  31   if (checkVf (res1.a, res_ref, 4))
  32     abort ();
  33
  34   res2.x = _mm_set_ps (5.0, 6.0, 7.0, DEFAULT_VALUE);
  35   res2.x = _mm_mask_rcp14_ss(res2.x, m, s1.x, s2.x);
  36
  37   MASK_MERGE () (res_ref, m, 1);
  38   if (checkVf (res2.a, res_ref, 4))
  39     abort();
  40
  41   res3.x = _mm_maskz_rcp14_ss(m, s1.x, s2.x);
  42
  43   MASK_ZERO () (res_ref, m, 1);
  44   if (checkVf (res3.a, res_ref, 4))
  45     abort();
  46
  47 }