From: Andi Kleen <ak@suse.de>
To: Pavel Machek <pavel@suse.cz>
Cc: hugang@soulinfo.com, "Rafael J. Wysocki" <rjw@sisk.pl>,
Andi Kleen <ak@suse.de>, Andrew Morton <akpm@osdl.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][RFC] swsusp: speed up image restoring on x86-64
Date: Fri, 21 Jan 2005 11:19:58 +0100 [thread overview]
Message-ID: <20050121101958.GB6291@wotan.suse.de> (raw)
In-Reply-To: <20050121100422.GC18373@elf.ucw.cz>
> > +copyback_page:
> > + movq 24(%rax), %r9
> > + xorl %r8d, %r8d
> > +
>
> Are you sure %r8 and %r9 are caller-saved? I'd use low registers if I
> were you, they look nincer and generate shorter opcodes ;-).
They are.
-Andi
next prev parent reply other threads:[~2005-01-21 10:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-20 19:32 Rafael J. Wysocki
2005-01-20 20:59 ` Pavel Machek
2005-01-20 21:46 ` Rafael J. Wysocki
2005-01-20 22:06 ` Pavel Machek
2005-01-20 22:58 ` Rafael J. Wysocki
2005-01-20 23:06 ` Pavel Machek
2005-01-21 0:14 ` Rafael J. Wysocki
2005-01-21 10:06 ` Pavel Machek
2005-01-21 12:43 ` Rafael J. Wysocki
2005-01-21 2:23 ` hugang
2005-01-21 10:04 ` Pavel Machek
2005-01-21 10:19 ` Andi Kleen [this message]
2005-01-21 10:30 ` Pavel Machek
2005-01-21 13:42 ` Rafael J. Wysocki
2005-01-21 14:31 ` hugang
2005-01-21 17:48 ` Pavel Machek
2005-01-21 12:32 ` Rafael J. Wysocki
2005-01-21 19:09 ` Rafael J. Wysocki
2005-01-22 2:03 ` Andi Kleen
2005-01-20 21:04 ` Rafael J. Wysocki
2005-01-22 2:50 ` Andi Kleen
2005-01-22 9:54 ` Pavel Machek
2005-01-22 11:26 ` Andi Kleen
2005-01-22 11:30 ` Pavel Machek
2005-01-22 11:44 ` Andi Kleen
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