This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [discuss] Re: CC register for x86-64 asm statements. Was: glibc: syscalls for x86-64
- To: "Eric W. Biederman" <ebiederm at xmission dot com>
- Subject: Re: [discuss] Re: CC register for x86-64 asm statements. Was: glibc: syscalls for x86-64
- From: Jan Hubicka <jh at suse dot cz>
- Date: Thu, 23 Nov 2000 20:22:43 +0100
- Cc: Jan Hubicka <jh at suse dot cz>, Andreas Jaeger <aj at suse dot de>, patches at x86-64 dot org, discuss at x86-64 dot org, gcc at gcc dot gnu dot org
- References: <hor945bdsz.fsf@gee.suse.de> <20001122100931.E29230@atrey.karlin.mff.cuni.cz> <m1vgtfxf88.fsf@frodo.biederman.org>
> I would simply ask is there a way to specify a no clobber condition?
>
> If we could instead of specifying "cc" specify "nocc" in the clobbers
> we get the same theoretical advantages with less danger.
It is not very clean way, but certainly possible.
Honza
>
> Eric