From: Mark Zealey <mark@zealos.org>
To: linux-kernel@vger.kernel.org
Cc: Szekeres Istvan <szekeres@webvilag.com>
Subject: Re: Assembly question
Date: Fri, 26 Apr 2002 00:52:41 +0100 [thread overview]
Message-ID: <20020425235240.GA28851@itsolve.co.uk> (raw)
In-Reply-To: <20020425083225.GA30247@webvilag.com>
On Thu, Apr 25, 2002 at 10:32:25AM +0200, Szekeres Istvan wrote:
> void p_memset_dword( void *d, int b, int l )
> {
> __asm__ ("rep\n\t"
> "stosl\n\t"
> :
> : "D" (d), "a" (b), "c" (l)
> : "memory","edi", "eax", "ecx"
An input or output operand is implicitly clobbered, so it should be written as:
: "D" (d), "a" (b), "c" (l)
: "memory"
Or so.
--
Mark Zealey (aka JALH on irc.openprojects.net: #zealos and many more)
mark@zealos.org; mark@itsolve.co.uk
UL++++>$ G!>(GCM/GCS/GS/GM) dpu? s:-@ a17! C++++>$ P++++>+++++$ L+++>+++++$
!E---? W+++>$ !w--- r++ !t---?@ !X---? !R- !tv b+ G+++ e>+++++ !h++* r!-- y--
next prev parent reply other threads:[~2002-04-25 23:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-25 8:32 Assembly question Szekeres Istvan
2002-04-25 23:52 ` Mark Zealey [this message]
2002-04-26 11:37 ` Gabriel Paubert
2002-04-26 12:34 ` Richard B. Johnson
2002-04-28 18:07 ` Zack Weinberg
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