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| author | Richard Guenther <rguenther@suse.de> | 2010-01-03 12:06:02 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-01-03 12:06:02 +0000 |
| commit | a19eb9d236caf919b2a41445a72c30cffe12a432 (patch) | |
| tree | 8f11d3b8b2484e1c9007163fc1ed652b69f33061 /libjava/classpath/lib/java/sql | |
| parent | c41b7b1364693d8c96c79fba2212109e77135dee (diff) | |
| download | gcc-a19eb9d236caf919b2a41445a72c30cffe12a432.zip gcc-a19eb9d236caf919b2a41445a72c30cffe12a432.tar.gz gcc-a19eb9d236caf919b2a41445a72c30cffe12a432.tar.bz2 | |
re PR tree-optimization/42438 (Fix for PR38819 is too conservative)
2010-01-03 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42438
* tree-ssa-pre.c (struct bb_bitmap_sets): Add
contains_may_not_return_call flag.
(BB_MAY_NOTRETURN): New.
(valid_in_sets): Trapping nary operations are not valid
in blocks that may not return.
(insert_into_preds_of_block): Remove check for trapping
expressions.
(compute_avail): Compute also BB_MAY_NOTRETURN.
* gcc.dg/tree-ssa/ssa-pre-27.c: New testcase.
From-SVN: r155584
Diffstat (limited to 'libjava/classpath/lib/java/sql')
0 files changed, 0 insertions, 0 deletions