gcc/testsuite/gcc.target/i386/avx512bw-vpmaxub-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 (unsigned char *src1, unsigned char *src2,
  14       unsigned char *dst)
  15 {
  16   int i;
  17
  18   for (i = 0; i < SIZE; i++)
  19     dst[i] = src1[i] > src2[i] ? src1[i] : src2[i];
  20 }
  21
  22 void
  23 TEST (void)
  24 {
  25   int i;
  26   UNION_TYPE (AVX512F_LEN, i_b) src1, src2, res1, res2, res3;
  27   MASK_TYPE mask = MASK_VALUE;
  28   unsigned char res_ref[SIZE];
  29
  30   for (i = 0; i < SIZE; i++)
  31     {
  32       src1.a[i] = i * i;
  33       src2.a[i] = i + 20;
  34       res2.a[i] = DEFAULT_VALUE;
  35     }
  36
  37   res1.x = INTRINSIC (_max_epu8) (src1.x, src2.x);
  38   res2.x = INTRINSIC (_mask_max_epu8) (res2.x, mask, src1.x, src2.x);
  39   res3.x = INTRINSIC (_maskz_max_epu8) (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 }