Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/tree-ssa/pr86017.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-store-merging" } */
3
4 void f (void*);
5
6 void g (void)
7 {
8 char a[8];
9 __builtin_memset (a, 0, 8);
10
11 f (a);
12 }
13
14 void h (void)
15 {
16 char a[8];
17 __builtin_memset (a, 0, 1);
18 __builtin_memset (a + 1, 0, 1);
19 __builtin_memset (a + 2, 0, 1);
20 __builtin_memset (a + 3, 0, 1);
21 __builtin_memset (a + 4, 0, 1);
22 __builtin_memset (a + 5, 0, 1);
23 __builtin_memset (a + 6, 0, 1);
24 __builtin_memset (a + 7, 0, 1);
25
26 f (a);
27 }
28
29 /* { dg-final { scan-tree-dump "Merged into 1 stores" "store-merging" } } */