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| author | Richard Biener <rguenther@suse.de> | 2019-05-03 11:21:18 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-05-03 11:21:18 +0000 |
| commit | 3353ebf0d9a20f07597b90943664f10557488ea8 (patch) | |
| tree | 4325e23809e38e1a5840a38b92dff531cda014d4 /gcc | |
| parent | 419c5f99876d9ee517f6b646dd785cdcaf5cb6fe (diff) | |
| download | gcc-3353ebf0d9a20f07597b90943664f10557488ea8.zip gcc-3353ebf0d9a20f07597b90943664f10557488ea8.tar.gz gcc-3353ebf0d9a20f07597b90943664f10557488ea8.tar.bz2 | |
re PR tree-optimization/90316 (large compile time increase in opt / alias stmt walking for Go example)
2019-05-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/90316
* tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
before running VN.
From-SVN: r270848
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-pre.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8b34efa..d656ad7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2019-05-03 Richard Biener <rguenther@suse.de> + PR tree-optimization/90316 + * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries + before running VN. + +2019-05-03 Richard Biener <rguenther@suse.de> + * tree-vect-stmts.c (get_group_load_store_type): Avoid peeling for gaps by loading only lower halves of vectors if possible. diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 7bb2cf1..e1c75f8e 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -4197,6 +4197,7 @@ pass_pre::execute (function *fun) loop_optimizer_init (LOOPS_NORMAL); split_critical_edges (); scev_initialize (); + calculate_dominance_info (CDI_DOMINATORS); run_rpo_vn (VN_WALK); |