On Thu, Feb 06, 2020 at 09:49:18AM -0600, Segher Boessenkool wrote:
> Hi!
>
> On Thu, Feb 06, 2020 at 08:29:41AM -0500, Michael Meissner wrote:
> > --- /tmp/eAu61F_rs6000.c2020-02-05 18:08:48.698992017 -0500
> > +++ gcc/config/rs6000/rs6000.c 2020-02-05 17:23:55.733650185 -0500
> > @@ -24
Hi!
On Thu, Feb 06, 2020 at 08:29:41AM -0500, Michael Meissner wrote:
> --- /tmp/eAu61F_rs6000.c 2020-02-05 18:08:48.698992017 -0500
> +++ gcc/config/rs6000/rs6000.c2020-02-05 17:23:55.733650185 -0500
> @@ -24943,9 +24943,13 @@ reg_to_non_prefixed (rtx reg, machine_mo
> }
>
>
When I applied my previous patches for vec_extract, I switched to using
reg_to_non_prefixed to validate the vector extract address. It uncovered a bug
that reg_to_non_prefixed allowed D-FORM (reg+offset) addresses to load up
Altivec registers on power7 and power8. However, those systems only supp