| commit | b0aef8a83c2d6deb4040c46b60f04f224894f058 | |
| author | Maxim Kuvyrkov <maxim@codesourcery.com> | |
| Thu, 8 Apr 2010 08:20:36 +0000 (8 08:20 +0000) | ||
| committer | Maxim Kuvyrkov <mkuvyrkov@gcc.gnu.org> | |
| Thu, 8 Apr 2010 08:20:36 +0000 (8 08:20 +0000) | ||
| tree | 6ce00310b5e89f1a541aa38b1128562367380e03 | treesnapshot (tar.gz zip) |
| parent | 0b2de948243781018a9d292d0b1ebdbf3c8cbb31 | commitdiff |
re PR middle-end/40815 (redundant neg instruction caused by loop-invariant)
PR middle-end/40815
* tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
(negate_value): Move code to push elements to broken_up_substracts ...
(eliminate_plus_minus_pair): ... here. Push operands that have no
negative pair to plus_negates.
(repropagate_negates, init_reassoc, fini_reassoc): Update.
PR middle-end/40815
* gcc.dg/tree-ssa/reassoc-19.c: New.
From-SVN: r158105
PR middle-end/40815
* tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
(negate_value): Move code to push elements to broken_up_substracts ...
(eliminate_plus_minus_pair): ... here. Push operands that have no
negative pair to plus_negates.
(repropagate_negates, init_reassoc, fini_reassoc): Update.
PR middle-end/40815
* gcc.dg/tree-ssa/reassoc-19.c: New.
From-SVN: r158105
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/tree-ssa/reassoc-19.c | [new file with mode: 0644] | blob |
| gcc/tree-ssa-reassoc.c | diffblobblamehistory |