gcc/testsuite/gcc.target/i386/avx512bw-vpmaxsb-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
  10 #include "avx512f-mask-type.h"
  11
  12 void
  13 CALC (char *src1, char *src2, char *dst)
  14 {
  15   int i;
  16
  17   for (i = 0; i < SIZE; i++)
  18     dst[i] = src1[i] > src2[i] ? src1[i] : src2[i];
  19 }
  20
  21 void
  22 TEST (void)
  23 {
  24   int i, sign;
  25   UNION_TYPE (AVX512F_LEN, i_b) src1, src2, res1, res2, res3;
  26   MASK_TYPE mask = MASK_VALUE;
  27   char res_ref[SIZE];
  28
  29   for (i = 0; i < SIZE; i++)
  30     {
  31       src1.a[i] =  i * sign;
  32       src2.a[i] = (i + 20) * sign;
  33       sign = -sign;
  34       res2.a[i] = DEFAULT_VALUE;
  35     }
  36
  37   res1.x = INTRINSIC (_max_epi8) (src1.x, src2.x);
  38   res2.x = INTRINSIC (_mask_max_epi8) (res2.x, mask, src1.x, src2.x);
  39   res3.x = INTRINSIC (_maskz_max_epi8) (mask, src1.x, src2.x);
  40
  41   CALC (src1.a, src2.a, res_ref);
  42
  43   if (UNION_CHECK (AVX512F_LEN, i_b) (res1, res_ref))
  44     abort ();
  45
  46   MASK_MERGE (i_b) (res_ref, mask, SIZE);
  47   if (UNION_CHECK (AVX512F_LEN, i_b) (res2, res_ref))
  48     abort ();
  49
  50   MASK_ZERO (i_b) (res_ref, mask, SIZE);
  51   if (UNION_CHECK (AVX512F_LEN, i_b) (res3, res_ref))
  52     abort ();
  53 }