diff options
| author | Richard Biener <rguenther@suse.de> | 2016-06-01 14:05:22 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-06-01 14:05:22 +0000 |
| commit | b66af6ed30d4bfa930e7afa30d078d7e83af42a0 (patch) | |
| tree | 8b8ed7a675e257cb9dcb8877949db457a3b73760 /gcc/ChangeLog | |
| parent | e342b9d826f4e7bea5bd409b795c210ab9910899 (diff) | |
| download | gcc-b66af6ed30d4bfa930e7afa30d078d7e83af42a0.zip gcc-b66af6ed30d4bfa930e7afa30d078d7e83af42a0.tar.gz gcc-b66af6ed30d4bfa930e7afa30d078d7e83af42a0.tar.bz2 | |
re PR tree-optimization/71366 (ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault)
2016-06-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/71366
* tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
(unloop_loops): Move removing edges here ...
(try_unroll_loop_completely): ... from here.
(try_peel_loop): ... and here.
(tree_unroll_loops_completely_1): Track parent loops via
bitmap of header BBs.
(tree_unroll_loops_completely): Adjust for that.
* gcc.dg/torture/pr71366-1.c: New testcase.
* gcc.dg/torture/pr71366-2.c: Likewise.
From-SVN: r236993
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 19c9679..0c4aa2d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,14 @@ +2016-06-01 Richard Biener <rguenther@suse.de> + + PR tree-optimization/71366 + * tree-ssa-loop-ivcanon.c (edges_to_remove): New global. + (unloop_loops): Move removing edges here ... + (try_unroll_loop_completely): ... from here. + (try_peel_loop): ... and here. + (tree_unroll_loops_completely_1): Track parent loops via + bitmap of header BBs. + (tree_unroll_loops_completely): Adjust for that. + 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org> * config/rs6000/altivec.h (vec_slv): New macro. |