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[Bug tree-optimization/81503] [8 Regression] Wrong code at -O2
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 21 Jul 2017 07:34:09 +0000
- Subject: [Bug tree-optimization/81503] [8 Regression] Wrong code at -O2
- Auto-submitted: auto-generated
- References: <bug-81503-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81503
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |marxin at gcc dot gnu.org
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r249447:
gcc/
* match.pd (nop_convert): New predicate.
((A +- CST1) +- CST2): Allow some NOP conversions.
gcc/testsuite/
* gcc.dg/tree-ssa/addadd.c: Un-XFAIL.
* gcc.dg/tree-ssa/addadd-2.c: New file.