2020-04-14 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/94573
* gcc.dg/store_merging_30.c: New test.
-2020-04-14 Yang Yang <yangyang305@huawei.com>
+2020-04-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/94573
+ * gcc.dg/store_merging_30.c: New test.
+
+2020-04-14 Yang Yang <yangyang305@huawei.com>
PR tree-optimization/94574
* gcc.dg/pr94574.c: New test.
--- /dev/null
+/* PR tree-optimization/94573 */
+/* { dg-do compile } */
+/* { dg-require-effective-target store_merge } */
+/* { dg-options "-O2 -fdump-tree-store-merging-details" } */
+/* { dg-final { scan-tree-dump "New sequence of 4 stores to replace old one of 8 stores" "store-merging" { target lp64 } } } */
+
+int var[43][12];
+
+void
+foo (int x)
+{
+ var[x][0] = 0;
+ var[x][1] = 0;
+ var[x][2] = 0;
+ var[x][3] = 0;
+ var[x][4] = 0;
+ var[x][5] = 0;
+ var[x][6] = 0;
+ var[x][7] = 0;
+}