gcc/testsuite/gcc.target/i386/avx2-vpbroadcastb128-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-mavx2 -O2" } */
   3 /* { dg-require-effective-target avx2 } */
   4
   5 #include "avx2-check.h"
   6 #include <string.h>
   7
   8 #define NUM 10
   9
  10 static void
  11 init_pbroadcastb128 (char *src, int seed)
  12 {
  13   int i, sign = 1;
  14
  15   for (i = 0; i < 16; i++)
  16     {
  17       src[i] = (i + seed) * (i + seed) * sign;
  18       sign = -sign;
  19     }
  20 }
  21
  22 static void
  23 calc_pbroadcastb128 (char *src, char *dst)
  24 {
  25   int i;
  26
  27   for (i = 0; i < 16; i++)
  28     dst[i] = src[0];
  29 }
  30
  31 static void
  32 avx2_test (void)
  33 {
  34   union128i_b src, dst;
  35   char dst_ref[16];
  36   int i;
  37
  38   for (i = 0; i < NUM; i++)
  39     {
  40       init_pbroadcastb128 (src.a, i);
  41
  42       dst.x = _mm_broadcastb_epi8 (src.x);
  43       calc_pbroadcastb128 (src.a, dst_ref);
  44
  45       if (check_union128i_b (dst, dst_ref))
  46         abort ();
  47     }
  48 }