[Gloucs] Fw:[Taclug-General] Linux Inline Assembly in C and C++

[Paul Robertson]

If you email me the original C code and the C code which contains the inline
asm I can probably help.
--
Paul

----- Original Message -----
From: <james.smith31@juno.com>
To: <gloucs@mailman.lug.org.uk>
Sent: Saturday, November 02, 2002 5:06 PM
Subject: [Gloucs] Fw:[Taclug-General] Linux Inline Assembly in C and C++


> ---------- Forwarded Message ----------
>
> From: james.smith31@juno.com
> To: taclug-general@taclug.org
> Subject: [Taclug-General] Inline Assembly in C and C++
> Date: Fri, 1 Nov 2002 19:48:48 GMT
>
> Hello,
>
> I'm trying to use inline assembly to speed up a routine in a program it
looks something like this:
>
> This inline assembly is inside a C loop:
> asm (
>      "cmpb %1, %0 \n\t"
>      "jl LOOPEND  \n\t" /* defined somewhere else */
>      "cmpb %2, %0 \n\t"
>      "je LOOPEND  \n\t"
>     : :"g"(sbuff[dex]),
>        "r"(buff[dex2]-range),
>        "r"(buff[dex2]+range)
>     );
>
> This does not give me the same results as the C code even when I change
aroud the conditions. Can someone tell whats is wrong? I think it is
something with the constraints.
>
>
> Thanks,
> James E. Smith
> E-mail: james.smith31@juno.com
> E-mail: code11smith007@aol.com
>
>
>
>
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