[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~
>