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| author | Richard Biener <rguenther@suse.de> | 2013-08-30 07:48:53 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-08-30 07:48:53 +0000 |
| commit | 062ef2c8f95540fd997e57f6d8945d307ededc81 (patch) | |
| tree | e253dd1559062674db97a0032cec9bd921b7d2a3 /gcc/ChangeLog | |
| parent | 7a764c608a4f0cb9eb7b6430a0ccf1aa36bbd53e (diff) | |
| download | gcc-062ef2c8f95540fd997e57f6d8945d307ededc81.zip gcc-062ef2c8f95540fd997e57f6d8945d307ededc81.tar.gz gcc-062ef2c8f95540fd997e57f6d8945d307ededc81.tar.bz2 | |
re PR tree-optimization/58223 (wrong code at -O3 on x86_64-linux-gnu)
2013-08-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/58223
* tree-loop-distribution.c (has_anti_dependence): Rename to ...
(has_anti_or_output_dependence): ... this and adjust to also
look for output dependences.
(mark_nodes_having_upstream_mem_writes): Adjust.
(rdg_flag_uses): Likewise.
* gcc.dg/torture/pr58223.c: New testcase.
* gcc.dg/tree-ssa/ldist-16.c: Flip expected behavior.
From-SVN: r202096
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3c46e54..7a8782b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,14 @@ 2013-08-30 Richard Biener <rguenther@suse.de> + PR tree-optimization/58223 + * tree-loop-distribution.c (has_anti_dependence): Rename to ... + (has_anti_or_output_dependence): ... this and adjust to also + look for output dependences. + (mark_nodes_having_upstream_mem_writes): Adjust. + (rdg_flag_uses): Likewise. + +2013-08-30 Richard Biener <rguenther@suse.de> + PR tree-optimization/58010 * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove assert that we have a loop-closed PHI. |