From:	"Ben Peddell" <killer DOT lightspeed AT bigpond DOT com>
Newsgroups:	comp.os.msdos.djgpp
References:	<1814460936 DOT 20030115105536 AT elins DOT ru>
Subject:	Re: Problem with inline AT&T assembler
Lines:	26
X-Priority:	3
X-MSMail-Priority:	Normal
X-Newsreader:	Microsoft Outlook Express 5.00.2615.200
X-MimeOLE:	Produced By Microsoft MimeOLE V5.00.2615.200
Message-ID:	<0kaV9.24596$jM5.64926@newsfeeds.bigpond.com>
Date:	Wed, 15 Jan 2003 20:11:21 +1000
NNTP-Posting-Host:	144.139.176.112
X-Trace:	newsfeeds.bigpond.com 1042624892 144.139.176.112 (Wed, 15 Jan 2003 21:01:32 EST)
NNTP-Posting-Date:	Wed, 15 Jan 2003 21:01:32 EST
Organization:	Telstra BigPond Internet Services (http://www.bigpond.com)
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

You should _never_ declare a register that is either input or output as
being clobbered.
GCC assumes that input registers are clobbered anyway, and declaring a
register as clobbered just makes that register unavailable as input or
output.

Bokarev Alexandr <bokarev AT elins DOT ru> wrote in message
news:1814460936 DOT 20030115105536 AT elins DOT ru...
> I have DJGPP ver.3.1 and try to use inline assembler.
> I write something like:
>
> int src;
> __asm__ ( \
> "some code in assembler"
> :
> : "S" (src)
> : "%esi" );
>
> and think that this code is right. But compiler says:
> "Error: can't find register in class 'SIREG' while reloading 'asm'"
> (or CREG, DIREG etc.).
> What must I do to fix this error ?
>
>

- Raw text -