gcc/testsuite/gcc.target/i386/avx2-vpmovzxbw-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-mavx2 -O2" } */
   3 /* { dg-require-effective-target avx2 } */
   4
   5 #include "avx2-check.h"
   6
   7 static void
   8 compute_movzxbw (unsigned char *s, short *r)
   9 {
  10   int i;
  11
  12   for (i = 0; i < 16; i++)
  13     r[i] = s[i];
  14 }
  15
  16 static void
  17 avx2_test (void)
  18 {
  19   union128i_b s;
  20   union256i_w res;
  21   short res_ref[16];
  22
  23   s.x = _mm_set_epi8 (1, 2, 3, 4, 200, 50, 6, 8, 1, 2, 3, 4, 200, 5, 6, 8);
  24
  25   res.x = _mm256_cvtepu8_epi16 (s.x);
  26
  27   compute_movzxbw (s.a, res_ref);
  28
  29   if (check_union256i_w (res, res_ref))
  30     abort ();
  31 }