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| author | Richard Biener <rguenther@suse.de> | 2013-09-30 12:22:00 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-09-30 12:22:00 +0000 |
| commit | ca406576e5d17d88540d65f62a4393b8f5fe5d8e (patch) | |
| tree | 14ae4862a70d9aa3e0fc5cebe6c7a743ce4249e8 /gcc/testsuite/gcc.dg | |
| parent | 92d649c492db02b2fa470a1762503120661d0431 (diff) | |
| download | gcc-ca406576e5d17d88540d65f62a4393b8f5fe5d8e.zip gcc-ca406576e5d17d88540d65f62a4393b8f5fe5d8e.tar.gz gcc-ca406576e5d17d88540d65f62a4393b8f5fe5d8e.tar.bz2 | |
re PR tree-optimization/58554 (Revision 202619 causes runtime failure in CPU2006 benchmark 445.gobmk)
2013-09-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/58554
* tree-loop-distribution.c (classify_partition): Require unconditionally
executed stores for memcpy and memset recognition.
(tree_loop_distribution): Calculate dominance info.
* gcc.dg/torture/pr58554.c: New testcase.
From-SVN: r203031
Diffstat (limited to 'gcc/testsuite/gcc.dg')
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr58554.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr58554.c b/gcc/testsuite/gcc.dg/torture/pr58554.c new file mode 100644 index 0000000..269171a --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr58554.c @@ -0,0 +1,20 @@ +/* { dg-do run } */ + +extern void abort (void); +void __attribute__((noinline,noclone)) +clear_board(unsigned char *board, int board_size) +{ + int k; + for (k = 0; k < 421; k++) + if (k < board_size ) + board[k] = 3; +} +int main() +{ + unsigned char board[421]; + board[420] = 1; + clear_board (board, 420); + if (board[420] != 1) + abort (); + return 0; +} |