From: Thierry Merle <thierry.merle@free.fr>
To: Gregor Jasny <jasny@vidsoft.de>
Cc: video4linux-list@redhat.com, v4l2-library@linuxtv.org
Subject: Re: PATCH: libv4l-fix-idct-inline-assembly.diff
Date: Fri, 04 Jul 2008 19:35:36 +0200 [thread overview]
Message-ID: <486E5F68.80201@free.fr> (raw)
In-Reply-To: <20080704144036.GJ18818@vidsoft.de>
Gregor Jasny a écrit :
> Hi,
>
> This patch fixes the input constraint for the sar instruction. It allows only an
> immediate or cl as shift width.
>
> Thanks,
> Gregor
>
> Signed-off-by: Gregor Jasny <jasny@vidsoft.de>
>
> diff -r 61deeffda900 v4l2-apps/lib/libv4l/libv4lconvert/jidctflt.c
> --- a/v4l2-apps/lib/libv4l/libv4lconvert/jidctflt.c Fri Jul 04 07:21:55 2008 +0200
> +++ b/v4l2-apps/lib/libv4l/libv4lconvert/jidctflt.c Fri Jul 04 16:24:33 2008 +0200
> @@ -92,7 +92,7 @@ static inline unsigned char descale_and_
> "\tcmpl %4,%1\n"
> "\tcmovg %4,%1\n"
> : "=r"(x)
> - : "0"(x), "Ir"(shift), "ir"(1UL<<(shift-1)), "r" (0xff), "r" (0)
> + : "0"(x), "Ic"((unsigned char)shift), "ir"(1UL<<(shift-1)), "r" (0xff), "r" (0)
> );
> return x;
> }
>
>
Applied on http://www.linuxtv.org/hg/~tmerle/v4l2-library
Thanks,
Thierry
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prev parent reply other threads:[~2008-07-04 17:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-04 14:40 PATCH: libv4l-fix-idct-inline-assembly.diff Gregor Jasny
2008-07-04 15:07 ` Hans de Goede
2008-07-04 17:35 ` Thierry Merle [this message]
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