From: Hans-Peter Nilsson <hans-peter.nilsson@axis.com>
To: amacleod@redhat.com
Cc: hp@axis.com, hp@axis.com, gcc-patches@gcc.gnu.org,
libstdc++@gcc.gnu.org, bkoz@redhat.com, rth@redhat.com
Subject: Re: cxx-mem-model merge [6 of 9] - libstdc++-v3
Date: Tue, 08 Nov 2011 20:22:00 -0000 [thread overview]
Message-ID: <201111081954.pA8JsCkW020894@ignucius.se.axis.com> (raw)
In-Reply-To: <4EB7EEDF.1040103@redhat.com> (message from Andrew MacLeod on Mon, 7 Nov 2011 15:44:47 +0100)
> From: Andrew MacLeod <amacleod@redhat.com>
> Date: Mon, 7 Nov 2011 15:44:47 +0100
> >> On 11/06/2011 07:38 PM, Hans-Peter Nilsson wrote:
> >>> This (formally a change in the range 181027:181034) got me three
> >>> libstdc++ regressions for cris-elf,
> >> yes, I have a final pending patch which didn't make it to the branch
> >> before the merge. It changes the behaviour of atomic_flag on targets
> >> with no compare_and_swap. I *think* it will resolve your problem.
> >>
> >> I've attached the early version of the patch which you can try. Its
> >> missing a documentation change I was going to add tomorrow before
> >> submitting, but we can see if it resolves your problem. Give it a shot
> >> and let me know.
> > Sorry, no it didn't help. No additional regressions either
> > though, but the undef'd reference changed to two:
> I should also change it so that the compiler issues an error if
> atomic_thread_fence doesn't resolve to a something since that implies
> there is no __sync_sychronize() either, which is also minimally expected
> at this point. It should never become an external reference.
JFTR, you already know this; I saw some commits go by that I
thought was addressing this, but didn't, and then I realized
it'd be better to track it using bugzilla, so I entered PR51038.
brgds, H-P
prev parent reply other threads:[~2011-11-08 19:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 23:52 Andrew MacLeod
2011-11-04 18:17 ` Jeff Law
2011-11-04 18:53 ` Andrew MacLeod
2011-11-07 0:54 ` Hans-Peter Nilsson
2011-11-07 4:48 ` Andrew MacLeod
2011-11-07 11:36 ` Hans-Peter Nilsson
2011-11-07 14:41 ` Andrew MacLeod
2011-11-07 14:56 ` Andrew MacLeod
2011-11-07 15:38 ` Hans-Peter Nilsson
2011-11-07 16:28 ` Joseph S. Myers
2011-11-07 17:24 ` Andrew MacLeod
2011-11-07 17:43 ` Hans-Peter Nilsson
2011-11-07 18:27 ` Andrew MacLeod
2011-11-08 6:45 ` Hans-Peter Nilsson
2011-11-08 13:43 ` Andrew MacLeod
2011-11-11 17:49 ` Benjamin Kosnik
2011-11-11 17:56 ` Andrew MacLeod
2011-11-11 21:07 ` Hans-Peter Nilsson
2011-11-11 23:34 ` Torvald Riegel
2011-11-11 20:27 ` Hans-Peter Nilsson
2011-11-07 16:32 ` Richard Henderson
2011-11-08 20:22 ` Hans-Peter Nilsson [this message]
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