gcc/testsuite/gcc.target/i386/avx512bw-vpcmpgeb-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512bw" } */
   3 /* { dg-require-effective-target avx512bw } */
   4
   5 #define AVX512BW
   6 #include "avx512f-helper.h"
   7
   8 #define SIZE (AVX512F_LEN / 8)
   9 #include "avx512f-mask-type.h"
  10
  11 void
  12 CALC (MASK_TYPE *r, char *s1, char *s2)
  13 {
  14   int i;
  15   *r = 0;
  16   MASK_TYPE one = 1;
  17
  18   for (i = 0; i < SIZE; i++)
  19     if (s1[i] >= s2[i])
  20       *r = *r | (one << i);
  21 }
  22
  23 void
  24 TEST (void)
  25 {
  26   int i;
  27   UNION_TYPE (AVX512F_LEN, i_b) src1, src2;
  28   MASK_TYPE res_ref, res1, res2;
  29   MASK_TYPE mask = MASK_VALUE;
  30
  31   for (i = 0; i < SIZE / 2; i++)
  32     {
  33       src1.a[i * 2] = i;
  34       src1.a[i * 2 + 1] = i * i;
  35       src2.a[i * 2] = 2 * i;
  36       src2.a[i * 2 + 1] = i * i;
  37     }
  38
  39   res1 = INTRINSIC (_cmpge_epi8_mask) (src1.x, src2.x);
  40   res2 = INTRINSIC (_mask_cmpge_epi8_mask) (mask, src1.x, src2.x);
  41
  42   CALC (&res_ref, src1.a, src2.a);
  43
  44   if (res_ref != res1)
  45     abort ();
  46
  47   res_ref &= mask;
  48
  49   if (res_ref != res2)
  50     abort ();
  51 }