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[Bug middle-end/57073] __builtin_powif (-1.0, k) should be optimized to "1.0 - 2.0 * (K%2)"
- From: "burnus at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 31 May 2013 20:44:19 +0000
- Subject: [Bug middle-end/57073] __builtin_powif (-1.0, k) should be optimized to "1.0 - 2.0 * (K%2)"
- Auto-submitted: auto-generated
- References: <bug-57073-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57073
--- Comment #15 from Tobias Burnus <burnus at gcc dot gnu.org> ---
(In reply to Thomas Koenig from comment #14)
> The patch at http://gcc.gnu.org/ml/gcc-cvs/2013-05/msg01050.html
> is wrong
I realized this myself about 6 hours ago, see
http://gcc.gnu.org/ml/gcc-patches/2013-05/msg01884.html - I was hoping to get
some feedback - otherwise, I was intending to simply revert it.