[Bug tree-optimization/85758] questionable bitwise folding (missing single use check?)
amonakov at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Aug 27 14:09:00 GMT 2018
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85758
--- Comment #3 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Author: amonakov
Date: Mon Aug 27 14:08:50 2018
New Revision: 263887
URL: https://gcc.gnu.org/viewcvs?rev=263887&root=gcc&view=rev
Log:
match.pd: add single-use check for (x & y) ^ y -> ~x & y (PR 85758)
PR tree-optimization/85758
* match.pd ((X & Y) ^ Y): Add :s qualifier to inner expression.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/match.pd
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