gcc/testsuite/gcc.target/i386/avx512f-vsubss-2.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_sub (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, res5, src1, src2;
  26   MASK_TYPE mask = MASK_VALUE;
  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       sign = sign * -1;
  35     }
  36   for (i = 0; i < SIZE; i++)
  37     {
  38       res1.a[i] = DEFAULT_VALUE;
  39       res4.a[i] = DEFAULT_VALUE;
  40     }
  41
  42   res1.x = _mm_mask_sub_ss (res1.x, mask, src1.x, src2.x);
  43   res2.x = _mm_maskz_sub_ss (mask, src1.x, src2.x);
  44   res3.x = _mm_sub_round_ss (src1.x, src2.x, _MM_FROUND_NO_EXC);
  45   res4.x = _mm_mask_sub_round_ss (res4.x, mask, src1.x, src2.x, _MM_FROUND_NO_EXC);
  46   res5.x = _mm_maskz_sub_round_ss (mask, src1.x, src2.x, _MM_FROUND_NO_EXC);
  47
  48   calc_sub (res_ref, src1.a, src2.a);
  49
  50   MASK_MERGE () (res_ref, mask, 1);
  51   if (check_union128 (res1, res_ref))
  52     abort ();
  53
  54   MASK_ZERO () (res_ref, mask, 1);
  55   if (check_union128 (res2, res_ref))
  56     abort ();
  57
  58   calc_sub (res_ref, src1.a, src2.a);
  59
  60   if (check_union128 (res3, res_ref))
  61     abort();
  62
  63   MASK_MERGE () (res_ref, mask, 1);
  64   if (check_union128 (res4, res_ref))
  65     abort ();
  66
  67   MASK_ZERO () (res_ref, mask, 1);
  68   if (check_union128 (res5, res_ref))
  69     abort ();
  70 }
  71