From: Eric Botcazou <ebotcazou@adacore.com>
To: "Richard Guenther" <richard.guenther@gmail.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Tree SRA and atomicity/volatility
Date: Mon, 08 Jan 2007 12:43:00 -0000 [thread overview]
Message-ID: <200701081345.53442.ebotcazou@adacore.com> (raw)
In-Reply-To: <84fc9c000701080352x517b891cva220bc67f75a2a06@mail.gmail.com>
> Oh, so the only problem you see are for structure copies that are
> decomposed by SRA?
At the moment, yes.
> Still, middle-end support for this kind of stuff could be useful - maybe
> using volatile bitfields instead of a volatile structure type.
>
> struct val {
> volatile unsigned val1 : 8;
> volatile unsigned val2 : 8;
> };
>
> (at the moment accesses to the above are also decomposed by expand).
Why would we prevent the decomposition in this case?
--
Eric Botcazou
next prev parent reply other threads:[~2007-01-08 12:43 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-06 13:19 Eric Botcazou
2007-01-06 13:31 ` Richard Guenther
2007-01-06 13:47 ` Richard Kenner
2007-01-06 13:49 ` Eric Botcazou
2007-01-07 11:23 ` Richard Guenther
2007-01-08 11:30 ` Eric Botcazou
2007-01-08 11:52 ` Richard Guenther
2007-01-08 12:43 ` Eric Botcazou [this message]
2007-01-08 13:12 ` Richard Kenner
2007-01-08 13:40 ` Richard Guenther
2007-01-08 14:55 ` Richard Guenther
2007-01-12 13:57 ` Eric Botcazou
2007-01-12 16:36 ` Richard Guenther
2007-01-12 17:03 ` Richard Guenther
2007-01-14 7:47 ` Eric Botcazou
2007-01-14 14:57 ` Richard Guenther
2007-01-19 13:58 ` Eric Botcazou
2007-01-23 16:58 ` Mark Mitchell
2007-01-23 17:15 ` Daniel Berlin
2007-01-23 17:24 ` Richard Guenther
2007-01-23 19:38 ` Mark Mitchell
2007-01-23 20:57 ` Richard Guenther
2007-01-23 22:07 ` Mark Mitchell
2007-01-24 1:39 ` Richard Kenner
2007-01-24 13:33 ` Eric Botcazou
2007-01-24 1:31 ` Richard Kenner
2007-01-24 9:27 ` Richard Guenther
2007-01-24 13:02 ` Richard Kenner
2007-01-24 13:33 ` Richard Guenther
2007-01-24 13:57 ` Richard Kenner
2007-01-24 18:31 ` Mark Mitchell
2007-01-24 23:57 ` Richard Kenner
2007-01-25 9:38 ` Richard Guenther
2007-01-25 11:38 ` Richard Kenner
2007-01-25 16:32 ` Mark Mitchell
2007-01-25 16:41 ` Richard Guenther
2007-01-25 18:29 ` Richard Kenner
2007-01-25 22:03 ` Mike Stump
2007-01-26 2:37 ` Mark Mitchell
2007-01-26 2:44 ` Mike Stump
2007-01-26 2:54 ` Mark Mitchell
2007-01-26 9:17 ` Richard Guenther
2007-01-26 10:12 ` Eric Botcazou
2007-01-26 13:40 ` Richard Kenner
2007-01-26 13:13 ` Richard Kenner
2007-01-26 19:21 ` Mike Stump
2007-01-24 0:53 ` Richard Kenner
2007-03-02 14:55 ` Eric Botcazou
2007-03-02 15:21 ` Diego Novillo
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