[Bug rtl-optimization/53176] [4.8 Regression] gcc.dg/lower-subreg-1.c FAILs

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53176

--- Comment #20 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-05-06 19:21:18 UTC ---
(In reply to comment #19)
> "olegendo at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> writes:
> > --- Comment #18 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-05-06 18:09:37 UTC ---
> > On SH an issue popped up because lower-subreg would not split multi-word regs
> > anymore.  Could somebody please have a look at comment #2 and the proposed
> > patch in PR 53250?
> 
> Unfortunately I messed up the choice of cost routines in the original patch.
> I just committed the fix for that.  The SH rtx_costs routine should now see
> (set (reg) (reg)) and (set (reg) (const_int 0)) rtxes, so you should
> be able to set the costs there.  See:
> 
>     http://gcc.gnu.org/ml/gcc-patches/2012-05/msg00425.html
> 
> for a similar MIPS patch.

Yep, I just saw it on the patches list.  I'm on it.  Thanks.