[cft] subreg validation patch

[Geert Bosch]

On Nov 13, 2004, at 23:41, Richard Henderson wrote:
> The sparc that I'm using is awfully slow, but it has successfully
> built libgcc during stage1.  I would have assumed that if *all*
> DFmode splitters were affected, that I wouldn't have gotten this far.

Are you using a 32-bit SPARC by any chance? I believe Eric's
comments were with regards to a 64-bit target.

   -Geert