| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */ |
| |
| void f (void*); |
| |
| void g (void) |
| { |
| char a[8]; |
| __builtin_memset (a, 0, 8); |
| |
| f (a); |
| } |
| |
| void h (void) |
| { |
| char a[8]; |
| __builtin_memset (a, 0, 1); |
| __builtin_memset (a + 1, 0, 1); |
| __builtin_memset (a + 2, 0, 1); |
| __builtin_memset (a + 3, 0, 1); |
| __builtin_memset (a + 4, 0, 1); |
| __builtin_memset (a + 5, 0, 1); |
| __builtin_memset (a + 6, 0, 1); |
| __builtin_memset (a + 7, 0, 1); |
| |
| f (a); |
| } |
| |
| /* { dg-final { scan-tree-dump "Merged into 1 stores" "store-merging" } } */ |
