gcc/testsuite/gcc.dg/pr88598-5.c

   1 /* { dg-do run { target double64 } } */
   2 /* { dg-options "-O -fno-signed-zeros -fdump-tree-ccp1" } */
   3 /* { dg-add-options ieee } */
   4
   5 typedef double v4df __attribute__ ((vector_size (32)));
   6
   7 int
   8 main ()
   9 {
  10   volatile v4df x1 = { 4, 5, 6, 7 };
  11   volatile v4df x2 = { 10, 11, 12, 13 };
  12   volatile v4df x3 = { 20, 21, 22, 23 };
  13
  14   x1 *= (v4df) { 0, 1, 2, 3 };
  15   x2 *= (v4df) { 1, 0, 2, 0 };
  16   x3 *= (v4df) { 0, 0, -1, 0 };
  17
  18   if (__builtin_memcmp ((void *) &x1, &(v4df) { 0, 5, 12, 21 }, sizeof (v4df))
  19       || __builtin_memcmp ((void *) &x2, &(v4df) { 10, 0, 24, 0 },
  20                            sizeof (v4df))
  21       || __builtin_memcmp ((void *) &x3, &(v4df) { 0, 0, -22, 0 },
  22                            sizeof (v4df)))
  23     __builtin_abort ();
  24
  25   return 0;
  26 }
  27
  28 /* { dg-final { scan-tree-dump { \* } "ccp1" } } */
  29 /* { dg-final { scan-tree-dump-not { \& } "ccp1" } } */