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[Bug fortran/57328] Missed optimization: Unable to vectorize Fortran min and max intrinsics
- 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: Tue, 21 May 2013 07:08:39 +0000
- Subject: [Bug fortran/57328] Missed optimization: Unable to vectorize Fortran min and max intrinsics
- Auto-submitted: auto-generated
- References: <bug-57328-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57328
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |burnus at gcc dot gnu.org
--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> ---
(In reply to Bud Davis from comment #1)
> The floating point number makes it special in some way.
My suspicion is that this is due to special handling for IEEE 754:2008, which
requires that
MAX (NaN, x) = MAX (x, NaN) = x
MIN (NaN, x) = MIN (x, NaN) = x