Re: [RFC] patch to fix an ICE involving sign-extract of mmx expression

[Fariborz Jahanian]

On Sep 23, 2005, at 12:41 PM, Richard Henderson wrote:

On Thu, Sep 22, 2005 at 01:21:06PM -0700, Fariborz Jahanian wrote:

                  /* Avoid creating invalid subregs, for example when
                     simplifying (x>>32)&255.  */
!                 if (final_word >= GET_MODE_SIZE (inner_mode)
!                     || (final_word % GET_MODE_SIZE (tmode)) != 0)
                    return NULL_RTX;

I think you should just call validate_subreg.  Ok with that change.

Yes. Will do so.

- fj

r~