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From:	Xeno Antares <xeno AT antares DOT scorpio DOT space DOT nsa DOT gov>
Date:	Sat, 14 Dec 2002 20:07:38 GMT
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Subject:	Re: Quest about inline asm...
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On Fri, 13 Dec 2002 14:30:10 -0800, "lewi9908" <lewi9908 AT ghc DOT ctc DOT edu>
wrote:
>> Omit the last colon.
>>
>> __asm__("pushl %eax"
>>         : /*No output*/
>>         :"a"(ResultsMod));
> As stated in last msg I get the compiler error below with this...
>
> ...: invalid 'asm' : operand number missing after %-letter
>
> So I reread the error and remember I needed to use
> __asm__("pushl %%eax" and not __asm__("pushl %eax".
>
> So it links now but I still got someways to go on my own...
>
> Thanks for the help...

 Hey!

I'd suggest you try this one:

 ,----
|  __asm__("pushl %0"
|          : /*No output*/
|          :"a"(ResultsMod));
 `----

You cannot rely on ResultsMod being stored in eax, and that would be
contrary to the idea behind the templated approach taken in arg0 of
__asm__.

So the snippet above means "no outputs; store ResultsMod into any
'a-register' (despite intel having only one) referenced as '%0'; push
the value contained in register ref'ed by '%0'".

   Hope that's kinda right,
            -- Xenocryst @ Antares Scorpii

-- 
Hasta la victoria siempre  --  Che

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