[PATCH PING]: middle-end: provide generic "isnormal" transformation

[Richard Guenther]

On 7/8/07, Kaveh R. GHAZI <ghazi@caip.rutgers.edu> wrote:
> PING.
>
> http://gcc.gnu.org/ml/gcc-patches/2007-06/msg01292.html
>
> This patch WILL generate incorrect code for certain subnormal numbers.
> However that problem is fixed by my "type generic" builtins patch here:
> http://gcc.gnu.org/ml/gcc-patches/2007-07/msg00691.html
>
> There's nothing wrong with this patch per se, so it can be reviewed now
> with the understanding that I'll apply it after the fix above and switch
> it's attributes to include "type generic".

Same as for the other.  The builtin should be C99_C90RES (if it is reserved
by C90).  I'm not sure why all of the comparison ones are not - Joseph?

Otherwise ok with documentation in extend.texi.

Thanks,
Richard.