gcc/testsuite/gcc.dg/pr88598-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O -fdump-tree-ccp1" } */
   3
   4 typedef int v4si __attribute__ ((vector_size (16)));
   5
   6 int
   7 main ()
   8 {
   9   volatile v4si x1 = { 4, 5, 6, 7 };
  10   volatile v4si x2 = { 10, 11, 12, 13 };
  11   volatile v4si x3 = { 20, 21, 22, 23 };
  12
  13   x1 *= (v4si) { 0, 1, 1, 0 };
  14   x2 *= (v4si) { 1, 0, 0, 1 };
  15   x3 *= (v4si) { 0, 0, 1, 0 };
  16
  17   if (__builtin_memcmp ((void *) &x1, &(v4si) { 0, 5, 6, 0 }, sizeof (v4si))
  18       || __builtin_memcmp ((void *) &x2, &(v4si) { 10, 0, 0, 13 },
  19                            sizeof (v4si))
  20       || __builtin_memcmp ((void *) &x3, &(v4si) { 0, 0, 22, 0 },
  21                            sizeof (v4si)))
  22     __builtin_abort ();
  23
  24   return 0;
  25 }
  26
  27 /* { dg-final { scan-tree-dump-not { \* } "ccp1" } } */