gcc/testsuite/gcc.target/i386/avx512f-vdivss-3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512f" } */
   3 /* { dg-require-effective-target avx512f } */
   4
   5 #include "avx512f-check.h"
   6
   7 #include "avx512f-helper.h"
   8
   9 #define SIZE (128 / 32)
  10 #include "avx512f-mask-type.h"
  11
  12 static void
  13 calc_div (float *r, float *s1, float *s2)
  14 {
  15   r[0] = s1[0] / s2[0];
  16   int i;
  17   for (i = 1; i < SIZE; i++)
  18     r[i] = s1[i];
  19 }
  20
  21 void
  22 avx512f_test (void)
  23 {
  24   int i, sign;
  25   union128 res1, res2, res3, res4, src1, src2;
  26   MASK_TYPE mask = 0;
  27   float res_ref[SIZE];
  28
  29   sign = -1;
  30   for (i = 0; i < SIZE; i++)
  31     {
  32       src1.a[i] = 1.5 + 34.67 * i * sign;
  33       src2.a[i] = -22.17 * i * sign + 1.0;
  34       res1.a[i] = DEFAULT_VALUE;
  35       res3.a[i] = DEFAULT_VALUE;
  36       sign = sign * -1;
  37     }
  38
  39   res1.x = _mm_mask_div_ss (res1.x, mask, src1.x, src2.x);
  40   res2.x = _mm_maskz_div_ss (mask, src1.x, src2.x);
  41   res3.x = _mm_mask_div_round_ss (res3.x, mask, src1.x, src2.x, _MM_FROUND_NO_EXC);
  42   res4.x = _mm_maskz_div_round_ss (mask, src1.x, src2.x, _MM_FROUND_NO_EXC);
  43
  44   calc_div (res_ref, src1.a, src2.a);
  45
  46   MASK_MERGE () (res_ref, mask, 1);
  47   if (check_union128 (res1, res_ref))
  48     abort ();
  49
  50   MASK_ZERO () (res_ref, mask, 1);
  51   if (check_union128 (res2, res_ref))
  52     abort ();
  53
  54   calc_div (res_ref, src1.a, src2.a);
  55
  56   MASK_MERGE () (res_ref, mask, 1);
  57   if (check_union128 (res3, res_ref))
  58     abort ();
  59
  60   MASK_ZERO () (res_ref, mask, 1);
  61   if (check_union128 (res4, res_ref))
  62     abort ();
  63 }
  64