lkml.org 
[lkml]   [2001]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Asm style
On Wed, Nov 21, 2001 at 11:07:03PM +0000, vda wrote:
> I'm using GCC 3.0.1 and seeing "multi-line literals are deprecated".
> Since a patch is necessary for that (and someone submitted it already)
> I'd like to hear from big kernel guys what asm statement style to use:
> asm(
> " cmd r,r\n"
> "lbl: cmd r,r\n"
> " cmd r,r\n"
> : spec
> : spec
> );
> [variable width for labels? I don't like it] or
> asm(
> " cmd r,r\n"
> "lbl: cmd r,r\n"
> " cmd r,r\n"
> : spec
> : spec
> );
> [better. But \n's are ugly] or
> #define NL "\n"
> asm(
> " cmd r,r" NL
> "lbl: cmd r,r" NL
> " cmd r,r" NL
> : spec
> : spec
> );

There's also:

asm("\
cmd r,r\n\
lbl: cmd r,r\n\
cmd r,r\n" : spec : spec);


Or something similar (the trailing "\" added for continuation). Probably
the easiest way to patch existing asm.

--
.----------=======-=-======-=========-----------=====------------=-=-----.
/ Ben Collins -- Debian GNU/Linux \
` bcollins@debian.org -- bcollins@openldap.org -- bcollins@linux.com '
`---=========------=======-------------=-=-----=-===-======-------=--=---'
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:13    [W:0.047 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site