From: Richard Guenther <richard.guenther@gmail.com>
To: Rainer Orth <ro@cebitec.uni-bielefeld.de>
Cc: Mike Stump <mikestump@comcast.net>,
gcc-patches@gcc.gnu.org, Richard Guenther <rguenther@suse.de>,
Jan Hubicka <hubicka@ucw.cz>
Subject: Re: [lto, testsuite] Don't use visibility on targets that don't support it (PR lto/47334)
Date: Thu, 09 Jun 2011 09:51:00 -0000 [thread overview]
Message-ID: <BANLkTikSOs5vak+nmEc1Yrro9Om0_g8ZxQ@mail.gmail.com> (raw)
In-Reply-To: <yddk4cvfpcq.fsf@manam.CeBiTec.Uni-Bielefeld.DE>
On Thu, Jun 9, 2011 at 9:14 AM, Rainer Orth <ro@cebitec.uni-bielefeld.de> wrote:
> Mike Stump <mikestump@comcast.net> writes:
>
>> On Apr 5, 2011, at 1:56 AM, Rainer Orth wrote:
>>> * lto.c (promote_var): Only set VISIBILITY_HIDDEN if
>>> HAVE_GAS_HIDDEN.
>>
>> This looks wrong, there are more things that have visibility than those things that use GAS and have .hidden. Darwin I think is one of them. ? cygming.h seems to be another.
>
> Now that Darwin has been switched to define HAVE_GAS_HIDDEN, is the
> lto.c part ok?
Honza? I think if we are not marking the symbols hidden we "break"
LTO in the way that we suddenly export local static symbols. So no,
I don't think we want to do that - but then we need another way to
make it possible to access previously local statics from a different
LTO partition.
Richard.
> I've re-bootstrapped both patches together on i386-apple-darwin9.8.0,
> powerpc-apple-darwin9.8.0, i386-pc-solaris2.8 and i386-pc-solaris2.11
> without regressions; as expected the failure on Solaris 8/x86 is gone.
>
> Thanks.
> Rainer
>
> --
> -----------------------------------------------------------------------------
> Rainer Orth, Center for Biotechnology, Bielefeld University
>
next prev parent reply other threads:[~2011-06-09 9:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-05 8:56 Rainer Orth
2011-04-05 9:47 ` Richard Guenther
2011-04-05 17:42 ` Mike Stump
2011-04-05 18:11 ` Rainer Orth
2011-06-09 7:33 ` Rainer Orth
2011-06-09 9:51 ` Richard Guenther [this message]
2011-06-09 10:00 ` Jan Hubicka
2011-06-09 18:52 ` Mike Stump
2011-04-05 17:44 ` Mike Stump
2011-04-05 18:21 ` Rainer Orth
2011-04-19 18:31 ` Rainer Orth
2011-04-20 8:26 ` Mike Stump
2011-04-21 13:04 ` Rainer Orth
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