[cft] subreg validation patch

[Richard Henderson]

On Sun, Nov 14, 2004 at 01:07:34AM +0100, Eric Botcazou wrote:
> As far as I can see, almost all splitters in sparc.md use gen_lowpart and 
> gen_highpart, disregarding their post-reloadness.  I'll fix them tomorrow.

Except that I would think that gen_lowpart/highpart should be creating
a new hard register rtx when given an input hard register rtx.

I'll look into it later tonight.


r~