From: Eric Christopher <echristo@redhat.com>
To: Richard Henderson <rth@redhat.com>
Cc: Michael Eager <eager@mvista.com>, gcc <gcc@gcc.gnu.org>
Subject: Re: locking problem with mips atomicity
Date: Tue, 16 Mar 2004 23:33:00 -0000 [thread overview]
Message-ID: <1079479700.3398.14.camel@dzur.sfbay.redhat.com> (raw)
In-Reply-To: <20040316232242.GA6879@redhat.com>
On Tue, 2004-03-16 at 15:22, Richard Henderson wrote:
> On Tue, Mar 16, 2004 at 02:44:15PM -0800, Michael Eager wrote:
> > Well, that's surprising. I was able to get rid of all of the
> > other changes.
>
> Not ok. It's not *required* that the compiler reduce all of the
> addresses for you. In particular, this is more likely to fail
> without optimization.
>
> > - : "m" (*__mem), "r"(__val));
> > + : "m" (*__mem), "r"(__val), "r"(__mem));
>
> In addition to just adding the new argument, you have to actually
> use it in the assembly.
*shakes head*
I think i'm going to give up for today.
Thanks richard.
-eric
--
Eric Christopher <echristo@redhat.com>
next prev parent reply other threads:[~2004-03-16 23:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-15 23:57 Michael Eager
2004-03-16 0:13 ` Phil Edwards
2004-03-16 1:08 ` Michael Eager
2004-03-16 3:12 ` Eric Christopher
2004-03-16 4:57 ` Richard Henderson
2004-03-16 16:10 ` Michael Eager
2004-03-16 17:35 ` Eric Christopher
2004-03-16 17:47 ` Michael Eager
2004-03-16 18:34 ` Richard Henderson
2004-03-16 22:46 ` Michael Eager
2004-03-16 22:49 ` Eric Christopher
2004-03-16 23:27 ` Richard Henderson
2004-03-16 23:33 ` Eric Christopher [this message]
2004-03-17 0:28 ` Michael Eager
2004-03-17 0:51 ` Phil Edwards
2004-03-17 0:55 ` Michael Eager
2004-03-17 1:19 ` Phil Edwards
2004-03-17 22:45 ` Michael Eager
2004-03-18 12:21 ` Richard Sandiford
2004-03-18 16:18 ` Michael Eager
2004-03-18 16:25 ` Richard Henderson
2004-03-18 16:35 ` Richard Sandiford
2004-03-17 22:59 ` Michael Eager
2004-03-18 1:02 ` Richard Henderson
2004-03-18 7:49 ` Michael Eager
2004-03-19 8:26 ` Phil Edwards
2004-03-20 2:56 ` Michael Eager
2004-03-20 3:39 ` Phil Edwards
2004-03-17 1:30 ` Richard Henderson
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