gcc/testsuite/gcc.target/i386/rotate-3a.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx2 } */
   3 /* { dg-options "-O3 -mavx2" } */
   4
   5 #include "avx2-check.h"
   6
   7 #include "rotate-3.c"
   8
   9 static void
  10 __attribute__((noinline))
  11 avx2_test (void)
  12 {
  13   int i;
  14   for (i = 0; i < 1024; i++)
  15     a[i] = i * 1073741789U;
  16   foo ();
  17   for (i = 0; i < 1024; i++)
  18     {
  19       int j = i & 31;
  20       unsigned int x = i * 1073741789U;
  21       if (a[i] != ((x << j) | (x >> ((-j) & 31))))
  22         abort ();
  23     }
  24 }