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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-04-21 08:52:41 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-04-21 08:52:41 +0000 |
| commit | 4dc22c929be4640e9d4f7dd7e71423cae3ad86f9 (patch) | |
| tree | 87d4e4f174ced25b3efddbb90746e7bc78982e4a | |
| parent | 59332088102e402faf7a76165bc828ffa5db8a18 (diff) | |
| download | gcc-4dc22c929be4640e9d4f7dd7e71423cae3ad86f9.tar.gz | |
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
max_loop_iterations_int.
(tree_unswitch_outer_loop): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235315 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-unswitch.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 55d9708336b..d24599f7dcc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-04-18 Jan Hubicka <jh@suse.cz> + + * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also + max_loop_iterations_int. + (tree_unswitch_outer_loop): Likewise. + 2016-04-20 Bin Cheng <bin.cheng@arm.com> PR tree-optimization/69489 diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index dd6fd01256a..77acd66e997 100644 --- a/gcc/tree-ssa-loop-unswitch.c +++ b/gcc/tree-ssa-loop-unswitch.c @@ -223,6 +223,8 @@ tree_unswitch_single_loop (struct loop *loop, int num) /* If the loop is not expected to iterate, there is no need for unswitching. */ iterations = estimated_loop_iterations_int (loop); + if (iterations < 0) + iterations = max_loop_iterations_int (loop); if (iterations >= 0 && iterations <= 1) { if (dump_file && (dump_flags & TDF_DETAILS)) @@ -439,6 +441,8 @@ tree_unswitch_outer_loop (struct loop *loop) /* If the loop is not expected to iterate, there is no need for unswitching. */ iterations = estimated_loop_iterations_int (loop); + if (iterations < 0) + iterations = max_loop_iterations_int (loop); if (iterations >= 0 && iterations <= 1) { if (dump_file && (dump_flags & TDF_DETAILS)) |