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Re: [PATCH v4] PR middle-end/60281
- From: lin zuojian <manjian2006 at gmail dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Ramana Radhakrishnan <ramana dot gcc at googlemail dot com>, Bernd Edlinger <bernd dot edlinger at hotmail dot de>
- Date: Mon, 3 Mar 2014 17:04:45 +0800
- Subject: Re: [PATCH v4] PR middle-end/60281
- Authentication-results: sourceware.org; auth=none
- References: <DUB129-W70398F7180A2386B725257E4820 at phx dot gbl> <20140303085612 dot GZ22862 at tucnak dot redhat dot com>
Hi Jakub,
> No. As I wrote earlier, the alternative is to use unaligned stores for ARM,
> I've asked Lin to benchmark that compared to his patch, but haven't seen
> that done yet.
>
> Jakub
I have not benchmark yet.But according to what I hear from an ARM Engineer in Huawei,
unaligned accessing usually slow.And not recommand to use too much.
--
Regards
lin zuojian