This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [RFA] Further de-specification of gcc.c
- From: "Joseph S. Myers" <jsm28 at cam dot ac dot uk>
- To: Richard Henderson <rth at redhat dot com>
- Cc: Neil Booth <neil at daikokuya dot demon dot co dot uk>, <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 16 May 2002 14:34:45 +0100 (BST)
- Subject: Re: [RFA] Further de-specification of gcc.c
On Wed, 15 May 2002, Richard Henderson wrote:
> On Wed, May 15, 2002 at 07:51:29AM +0100, Neil Booth wrote:
> > I didn't use the new flag_fast_math to determine the settings
> > after option processing, because I assume that things like
> > -ffast-math -ftrapping-math
> > are expected to be handled in-order, so that trapping-math
> > should be set.
>
> I think define __FAST_MATH__ iff the individual components are
> as set_fast_math_flags would have set them. Otherwise the header
> isn't going to know which transformations are legal.
Andreas Jaeger asked for separate preprocessor defines for the components.
http://gcc.gnu.org/ml/gcc-patches/2001-03/msg00303.html
--
Joseph S. Myers
jsm28@cam.ac.uk