This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Abt long long support
- From: 'Rask Ingemann Lambertsen' <rask at sygehus dot dk>
- To: Dave Korn <dave dot korn at artimi dot com>
- Cc: 'Ian Lance Taylor' <iant at google dot com>, 'Mohamed Shafi' <shafitvm at gmail dot com>, 'Mike Stump' <mrs at apple dot com>, gcc at gcc dot gnu dot org
- Date: Fri, 10 Nov 2006 23:31:17 +0100
- Subject: Re: Abt long long support
- References: <20061110175528.GC24007@sygehus.dk> <039f01c704fc$09d85270$a501a8c0@CAM.ARTIMI.COM>
On Fri, Nov 10, 2006 at 07:11:34PM -0000, Dave Korn wrote:
> No, surely you don't want to do that! You really need a movdi pattern -
> even more so if there are no natural DImode-sized registers, as gcse can get
> terribly confused by bad reg_equal notes if you don't. See e.g.:
>
> http://gcc.gnu.org/ml/gcc/2003-04/msg01397.html
> http://gcc.gnu.org/ml/gcc/2004-06/msg00993.html
PR number?
--
Rask Ingemann Lambertsen