[reload] paradoxical mems

[Ian Lance Taylor]

DJ Delorie <dj@redhat.com> writes:

> > Reload can temporarily produce a SUBREG of a MEM if, as the comment
> > says, the insn has a SUBREG of a REG, and the REG is turned into a
> > memory address.  But before approving this patch, can you say
> > something about what calls reg_overlap_mentioned_for_reload_p in this
> > case?  There are a number of places in reload which assume that a
> > SUBREG is only of a REG.
> 
> Here is the traceback:

Thanks.

Patch is OK if bootstrapped, etc.

Ian