gcc/testsuite/gcc.dg/store_merging_5.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target non_strict_align } */
   3 /* { dg-options "-O2 -fdump-tree-store-merging" } */
   4
   5 /* Make sure that non-aliasing non-constant interspersed stores do not
   6    stop chains.  */
   7
   8 struct bar {
   9   int a;
  10   char b;
  11   char c;
  12   char d;
  13   char e;
  14   char g;
  15 };
  16
  17 void
  18 foo1 (struct bar *p, char tmp)
  19 {
  20   p->a = 0;
  21   p->b = 0;
  22   p->g = tmp;
  23   p->c = 0;
  24   p->d = 0;
  25   p->e = 0;
  26 }
  27
  28
  29 /* { dg-final { scan-tree-dump-times "Merging successful" 1 "store-merging" } } */
  30 /* { dg-final { scan-tree-dump-times "MEM\\\[.*\\\]" 1 "store-merging" } } */