gcc/testsuite/gcc.target/i386/avx512bw-vpmovuswb-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 / 16)
   9 #define SIZE_HALF (AVX512F_LEN_HALF / 8)
  10 #include "avx512f-mask-type.h"
  11 #include <limits.h>
  12
  13 void
  14 CALC (unsigned char *r, unsigned short *s)
  15 {
  16   int i;
  17   for (i = 0; i < SIZE_HALF; i++)
  18       r[i] = (i < SIZE) ? ((s[i] > UCHAR_MAX) ? UCHAR_MAX : s[i]) : 0;
  19 }
  20
  21 void
  22 TEST (void)
  23 {
  24   int i;
  25   UNION_TYPE (AVX512F_LEN_HALF, i_b) res1, res2, res3;
  26   UNION_TYPE (AVX512F_LEN, i_w) src;
  27   MASK_TYPE mask = MASK_VALUE;
  28   unsigned char res_ref[32];
  29
  30   for (i = 0; i < SIZE; i++)
  31     {
  32       src.a[i] = 1 + 34 * i;
  33       res2.a[i] = DEFAULT_VALUE;
  34     }
  35
  36   res1.x = INTRINSIC (_cvtusepi16_epi8) (src.x);
  37   res2.x = INTRINSIC (_mask_cvtusepi16_epi8) (res2.x, mask, src.x);
  38   res3.x = INTRINSIC (_maskz_cvtusepi16_epi8) (mask, src.x);
  39
  40   CALC (res_ref, src.a);
  41
  42   if (UNION_CHECK (AVX512F_LEN_HALF, i_b) (res1, res_ref))
  43     abort ();
  44
  45   MASK_MERGE (i_b) (res_ref, mask, SIZE);
  46   if (UNION_CHECK (AVX512F_LEN_HALF, i_b) (res2, res_ref))
  47     abort ();
  48
  49   MASK_ZERO (i_b) (res_ref, mask, SIZE);
  50   if (UNION_CHECK (AVX512F_LEN_HALF, i_b) (res3, res_ref))
  51     abort ();
  52 }