gcc/testsuite/gcc.dg/vect/pr52091.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 /* PR tree-optimization/52091 */
   4
   5 #include "tree-vect.h"
   6
   7 int b, c, d, f;
   8 unsigned h;
   9 extern void abort (void);
  10
  11 int
  12 main ()
  13 {
  14   check_vect ();
  15   d = -1;
  16   h = 65;
  17   asm volatile ("" : : : "memory");
  18   for (f = 0; f < 4; f++)
  19     {
  20       h &= (unsigned short) d;
  21       for (b = 0; b <= 1; b++)
  22     {
  23       c = 0;
  24       d &= 1;
  25     }
  26     }
  27   asm volatile ("" : : : "memory");
  28   if (b != 2 || c != 0 || d != 1 || f != 4 || h != 1)
  29     abort ();
  30   return 0;
  31 }
  32
  33