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[Bug tree-optimization/73714] [Regression 7] Incorrect unsigned long long arithmetic optimization
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 31 Aug 2016 18:23:30 +0000
- Subject: [Bug tree-optimization/73714] [Regression 7] Incorrect unsigned long long arithmetic optimization
- Auto-submitted: auto-generated
- References: <bug-73714-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=73714
--- Comment #3 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Wed Aug 31 18:22:58 2016
New Revision: 239902
URL: https://gcc.gnu.org/viewcvs?rev=239902&root=gcc&view=rev
Log:
match.pd: Revert a * (1 << b) relaxation.
2016-08-31 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/73714
gcc/
* match.pd (a * (1 << b)): Revert change from 2016-05-23.
gcc/testsuite/
* gcc.dg/tree-ssa/pr73714.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr73714.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/match.pd
trunk/gcc/testsuite/ChangeLog