Patch: scheduling vs variable arrays

[Dale Johannesen]

On Thursday, August 8, 2002, at 04:56 PM, Geoff Keating wrote:
>
> - I think it would be better to use (clobber (mem:BLK (reg:P sp)))
>   because that makes it clear that only stack memory is involved.

On second thought Richard Henderson's comment below suggests this won't
work:

>  Ideally we'd just clobber all stack memory, but
> we need this special form in order to match bits marked
> with RTX_UNCHANGING_P.  Which IMO is sort of a historical
> mistake for any stack variable.