ICE in int_mode_for_mode()

[David Edelsohn]

David,

See PR 50325.

- David

On Fri, Nov 18, 2011 at 3:22 PM, David Miller <davem@davemloft.net> wrote:
>
> For a few days a lot of new testsuite failures have popped up on sparc,
> wherein int_mode_for_mode() gets called with "VOIDmode" as an argument
> from extract_bit_field_1 because "op0" is "(const_int 0)"
>
> I have a feeling this is a known problem, but I couldn't find any
> discussions about this.
>
> I strongly suspect the following change caused this problem:
>
> 2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
>
>        PR middle-end/50325
>        * expmed.c (store_bit_field_1): Use extract_bit_field on big
>        endian targets if the source cannot be exactly covered by word
>        mode chunks.
>