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

   1 /* { dg-do compile } */
   2 /* { dg-options "-mavx2 -O2" } */
   3 /* { dg-final { scan-assembler "vpmovmskb\[ \\t\]+\[^\n\]*%ymm\[0-9\]" } } */
   4
   5 #include "avx2-check.h"
   6
   7 static void
   8 avx2_test (void)
   9 {
  10   union256i_b s;
  11   int res, res_ref;
  12   int i, e = 0;
  13
  14   s.x = _mm256_set_epi8 (1, 2, 3, 4, 10, 20, 30, 90, -80, -40, -100,
  15                          15, 98, 25, 98, 7, 1, 2, 3, 4, 10, 20, 30, 90,
  16                          -80, -40, -100, -15, 98, 25, 98, 7);
  17
  18   res = _mm256_movemask_epi8 (s.x);
  19
  20   for (i = 0; i < 32; i++)
  21     if (s.a[i] & (1 << 7))
  22       res_ref = res_ref | (1 << i);
  23
  24   if (res != res_ref)
  25     abort ();
  26 }