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re PR tree-optimization/44683 (Optimization bug with copysign builtin)
authorEric Botcazou <ebotcazou@adacore.com>
Sun, 23 Oct 2011 15:57:09 +0000 (15:57 +0000)
committerEric Botcazou <ebotcazou@gcc.gnu.org>
Sun, 23 Oct 2011 15:57:09 +0000 (15:57 +0000)
commit4db183a2d5c98d60144b88dcf402f06fc2103200
treee71fcaef7ab6dc1b0e93c1f57a474e7fe80156e3tree
parentd621a5fb6d9bd91e30e96ba9ee60ac8ec1350ee1commit | diff
re PR tree-optimization/44683 (Optimization bug with copysign builtin)

* fold-const.c (invert_tree_comparison): Always invert EQ_EXPR/NE_EXPR.

PR tree-optimization/44683
* tree-ssa-dom.c (record_edge_info): Record simple equivalences only if
we can be sure that there are no signed zeros involved.

From-SVN: r180340
gcc/ChangeLog diff | blob | blame | history
gcc/fold-const.c diff | blob | blame | history
gcc/tree-ssa-dom.c diff | blob | blame | history
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