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

[Fariborz Jahanian <fjahanian at apple dot com>]

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.

This is the patch I am checking in.

- fariborz (fjahanian@apple.com)

ChangeLog:

2005-09-26    Fariborz Jahanian <fjahanian@apple.com>

        * combine.c (make_extraction): Check for valid use of subreg.

Attachment: patch-fsf.txt
Description: Text document

> r~