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

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512bw -DAVX512BW" } */
   3 /* { dg-require-effective-target avx512bw } */
   4
   5 #include "avx512f-helper.h"
   6
   7 #define SIZE (AVX512F_LEN / 8)
   8 #include "avx512f-mask-type.h"
   9
  10 CALC (unsigned char *r, unsigned char *s1, unsigned char *s2)
  11 {
  12   int i;
  13   for (i = 0; i < SIZE; i++)
  14     {
  15       int tmp = (int)s1[i] + (int)s2[i];
  16       if (tmp > 0xFF) tmp = 0xFF;
  17       if (tmp < 0) tmp = 0;
  18       r[i] = (unsigned char)tmp;
  19     }
  20 }
  21
  22 void
  23 TEST (void)
  24 {
  25   int i;
  26   UNION_TYPE (AVX512F_LEN, i_b) res1, res2, res3, src1, src2;
  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] = 2 + 7 * i % 291;
  33       src2.a[i] = 3 + 11 * (i % 377) * i;
  34     }
  35   for (i = 0; i < SIZE; i++)
  36     res2.a[i] = DEFAULT_VALUE;
  37
  38   res1.x = INTRINSIC (_adds_epu8) (src1.x, src2.x);
  39   res2.x = INTRINSIC (_mask_adds_epu8) (res2.x, mask, src1.x, src2.x);
  40   res3.x = INTRINSIC (_maskz_adds_epu8) (mask, src1.x, src2.x);
  41
  42   CALC (res_ref, src1.a, src2.a);
  43
  44   if (UNION_CHECK (AVX512F_LEN, i_b) (res1, res_ref))
  45     abort ();
  46
  47   MASK_MERGE (i_b) (res_ref, mask, SIZE);
  48   if (UNION_CHECK (AVX512F_LEN, i_b) (res2, res_ref))
  49     abort ();
  50
  51   MASK_ZERO (i_b) (res_ref, mask, SIZE);
  52   if (UNION_CHECK (AVX512F_LEN, i_b) (res3, res_ref))
  53     abort ();
  54 }