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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/57073] __builtin_powif (-1.0, k) should be optimized to "1.0 - 2.0 * (K%2)" Date: Thu, 30 May 2013 21:33:00 -0000 [thread overview] Message-ID: <bug-57073-4-tryOyPL69m@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-57073-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57073 --- Comment #12 from Tobias Burnus <burnus at gcc dot gnu.org> --- Author: burnus Date: Thu May 30 21:32:53 2013 New Revision: 199461 URL: http://gcc.gnu.org/viewcvs?rev=199461&root=gcc&view=rev Log: 2013-05-30 Tobias Burnus <burnus@net-b.de> Thomas Koenig <tkoenig@gcc.gnu.org> PR middle-end/57073 * tree-ssa-math-opts.c (execute_cse_sincos): Optimize powi (-1.0, k) to (k & 1) ? -1.0 : 1.0. 2013-05-30 Tobias Burnus <burnus@net-b.de> PR middle-end/57073 * gfortran.dg/power_6.f90: New. Added: trunk/gcc/testsuite/gfortran.dg/power_6.f90 Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-math-opts.c
next prev parent reply other threads:[~2013-05-30 21:33 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-57073-4@http.gcc.gnu.org/bugzilla/> 2013-04-26 7:06 ` jakub at gcc dot gnu.org 2013-04-26 7:09 ` burnus at gcc dot gnu.org 2013-04-28 9:05 ` tkoenig at gcc dot gnu.org 2013-04-28 22:03 ` tkoenig at gcc dot gnu.org 2013-04-29 8:41 ` burnus at gcc dot gnu.org 2013-05-02 19:56 ` tkoenig at gcc dot gnu.org 2013-05-02 21:08 ` burnus at gcc dot gnu.org 2013-05-02 22:01 ` burnus at gcc dot gnu.org 2013-05-03 9:58 ` burnus at gcc dot gnu.org 2013-05-17 23:08 ` tkoenig at gcc dot gnu.org 2013-05-30 15:33 ` tkoenig at gcc dot gnu.org 2013-05-30 21:33 ` burnus at gcc dot gnu.org [this message] 2013-05-30 21:34 ` burnus at gcc dot gnu.org 2013-05-31 20:40 ` tkoenig at gcc dot gnu.org 2013-05-31 20:44 ` burnus at gcc dot gnu.org 2013-06-01 8:41 ` burnus at gcc dot gnu.org
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