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* tree-ssa-reassoc.c (repropagate_negates): Merge negates also
authormatz <matz@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 13 Apr 2010 12:39:53 +0000 (12:39 +0000)
committerMasaki Muranaka <monaka@monami-software.com>
Sun, 23 May 2010 05:32:05 +0000 (14:32 +0900)
commitd0c78a57b41d1da6e0bdd418657685d1aaf03b46
tree890b9e1d93f48514e6c1708a4d13b3c517387b26tree | snapshot
parent7e338e007ef71556850b335e50b1a668de99baf0commit | diff
* tree-ssa-reassoc.c (repropagate_negates): Merge negates also
into MINUS_EXPRs.
(can_reassociate_p): New function.
(break_up_subtract_bb, reassociate_bb): Use it.

testsuite/
* gcc.dg/tree-ssa/negate.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158265 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/tree-ssa-reassoc.c diff | blob | history
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