From:	Endlisnis <s257m AT unb DOT ca>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: MAJOR slowdowns in translating TP7 gfx code to DJGPP2: Suplement 2
Date:	Wed, 09 Sep 1998 19:16:56 -0300
Organization:	NBTel Internet
Lines:	37
Message-ID:	<35F6FE58.D5AF4B52@unb.ca>
References:	<35F6CB8F DOT 1772 AT post DOT tau DOT ac DOT il>
NNTP-Posting-Host:	fctnts10c05.nbnet.nb.ca
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Tal Lavi wrote:
> I inlined my own div function.
> Here it is, for your comments:
> 
>         typedef struct
>         {
>           unsigned short quot;
>           unsigned short rem;
>         } short_div_t;
> 
>         short_div_t short_div(unsigned short numberator,
>                               unsigned short denomonator)
>         {
>           short_div_t short_div;
>           __asm__ __volatile__("
>             divw %%bx"
>           :"=a"(short_div.quot),"=d"(short_div.rem)
>           :"a"(numberator),"d"((unsigned short)0),"b"(denomonator)
>           :"ax","bx","dx"
>           );
>           return(short_div);
>         }
> 
> Can I #define the inline asm command, instead of calling a real
> function?
> and does it worth my time?
	That is not an inline function.  Just add the word 'inline' before the return
type and it will become as fast as it can.


-- 
     (\/) Endlisnis (\/)
          s257m AT unb DOT ca
          Endlisnis AT GeoCities DOT com
          Endlis AT nbnet DOT nb DOT ca

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