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Re: fix libgomp miscompilation on ppc64
- From: Richard Guenther <richard dot guenther at gmail dot com>
- To: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Wed, 25 Jan 2006 11:01:27 +0100
- Subject: Re: fix libgomp miscompilation on ppc64
- References: <20060124235345.GA22539@redhat.com>
On 1/25/06, Richard Henderson <rth@redhat.com> wrote:
> As discussed elsewhere, provides another way for memory barriers
> to have memory barrier semantics -- that is, conflict with all
> other memories, even when we could prove they don't overlap.
>
> Tested on ppc64-linux.
Am I right that without this patch the use of the atomic builtins is
not safe? Or
does the problem only affect gomp?
Thanks,
RIchard.