[patch] struct resources: remove unch_memory member

[Richard Biener]

On Sat, May 11, 2013 at 1:22 AM, Steven Bosscher <stevenb.gcc@gmail.com> wrote:
> Hello,
>
> This unch_memory in struct resources is a left-over from
> RTX_UNCHANGING_P, but it looks like the change-over to MEM_READONLY_P
> was done incorrectly: The resource_conflicts_p code now reports
> conflicts for insns reading readonly memory and insns reading "normal"
> memory or no memory at all.
>
> Spotted by checking why reorg.c failed to fill some slots that my
> sched-deps based delay slot scheduler managed to fill.
>
> Bootstrapped&tested on sparc64-unknown-linux-gnu. OK for trunk?

Ok.

Thanks,
Richard.

> Ciao!
> Steven