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From: "ktkachov at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/14541] [tree-ssa] built-in math functions are not fully optimized at tree level
Date: Thu, 11 Dec 2014 13:30:00 -0000 [thread overview]
Message-ID: <bug-14541-4-gBlyvma6Qd@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-14541-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14541
--- Comment #23 from ktkachov at gcc dot gnu.org ---
(In reply to Richard Biener from comment #22)
> (In reply to ktkachov from comment #21)
> > Created attachment 34215 [details]
> > Link errors output for aarch64
> >
> > > Which one exactly? That is, what is the failing link output?
> >
> > All of them AFAICS. I'm attaching the link failures log.
> >
> > The test PASSes at -O2 -flto and -O2 -flto -flto-partition=none
> >
> > but FAILs on all other torture options
>
> With a cross to aarch64-linux and compiling with -O1+ -ffast-math the
> result is as expected (optimized to empty functions). How exactly
> do you configure? I used
>
> /space/rguenther/src/svn/trunk2/configure --target=aarch64-suse-linux
> --enable-languages=c,c++,fortran --enable-checking
Hmmm... My compiler is a bare-metal one: aarch64-none-elf (and I still see
these failures).
With an aarch64-none-linux-gnu compiler the testcase works fine...
next prev parent reply other threads:[~2014-12-11 13:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-14541-4@http.gcc.gnu.org/bugzilla/>
2012-02-12 9:24 ` pinskia at gcc dot gnu.org
2014-10-31 4:01 ` pinskia at gcc dot gnu.org
2014-12-01 14:15 ` rguenth at gcc dot gnu.org
2014-12-02 11:23 ` rguenth at gcc dot gnu.org
2014-12-03 11:55 ` rguenth at gcc dot gnu.org
2014-12-08 10:28 ` ktkachov at gcc dot gnu.org
2014-12-08 10:32 ` rguenther at suse dot de
2014-12-11 13:14 ` rguenth at gcc dot gnu.org
2014-12-11 13:30 ` ktkachov at gcc dot gnu.org [this message]
2014-12-15 13:11 ` rguenth at gcc dot gnu.org
[not found] <bug-14541-5009@http.gcc.gnu.org/bugzilla/>
2006-11-26 8:15 ` pinskia at gcc dot gnu dot org
[not found] <20040312001701.14541.kazu@gcc.gnu.org>
2005-07-12 21:26 ` pinskia at gcc dot gnu dot org
2004-03-12 0:17 [Bug optimization/14541] New: [tree-ssa] gcc.dg/torture/builtin-explog-1.c fails kazu at cs dot umass dot edu
2004-05-24 21:48 ` [Bug tree-optimization/14541] [tree-ssa] built-in math functions are not fully optimized at tree level pinskia at gcc dot gnu dot org
2004-06-01 1:47 ` pinskia at gcc dot gnu dot org
2004-06-21 5:15 ` pinskia at gcc dot gnu dot org
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