From: Gregor Jasny <jasny@vidsoft.de>
To: thierry.merle@free.fr
Cc: video4linux-list@redhat.com, v4l2-library@linuxtv.org
Subject: PATCH: libv4l-fix-idct-inline-assembly.diff
Date: Fri, 4 Jul 2008 16:40:37 +0200 [thread overview]
Message-ID: <20080704144036.GJ18818@vidsoft.de> (raw)
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;
}
--
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next reply other threads:[~2008-07-04 14:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-04 14:40 Gregor Jasny [this message]
2008-07-04 15:07 ` PATCH: libv4l-fix-idct-inline-assembly.diff Hans de Goede
2008-07-04 17:35 ` Thierry Merle
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