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| author | Richard Guenther <rguenther@suse.de> | 2011-05-11 14:13:38 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-05-11 14:13:38 +0000 |
| commit | 51e020fc08daf1c62eb4d78cee4e8d2d0172c7e6 (patch) | |
| tree | f6fe582ca34e43fa86ffc5ab363666d20a91ea44 /gcc/function.c | |
| parent | 515456820e0468b848ff5905d6d8439a47036fdc (diff) | |
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re PR tree-optimization/15256 ([tree-ssa] Optimize manual bitfield manipilation.)
2011-05-11 Richard Guenther <rguenther@suse.de>
PR tree-optimization/15256
* tree-ssa-forwprop.c (simplify_bitwise_binary): Canonicalize
(A & B) | C, combine (A op CST1) op CST2.
(tree_ssa_forward_propagate_single_use_vars): Only bother to
visit assigns that have uses.
* gcc.dg/tree-ssa/forwprop-14.c: New testcase.
From-SVN: r173659
Diffstat (limited to 'gcc/function.c')
0 files changed, 0 insertions, 0 deletions