gcc/testsuite/gcc.dg/store_merging_30.c

   1 /* PR tree-optimization/94573 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target store_merge } */
   4 /* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging-details" } */
   5 /* { dg-final { scan-tree-dump "New sequence of 4 stores to replace old one of 8 stores" "store-merging" { target lp64 } } } */
   6
   7 int var[43][12];
   8
   9 void
  10 foo (int x)
  11 {
  12   var[x][0] = 0;
  13   var[x][1] = 0;
  14   var[x][2] = 0;
  15   var[x][3] = 0;
  16   var[x][4] = 0;
  17   var[x][5] = 0;
  18   var[x][6] = 0;
  19   var[x][7] = 0;
  20 }