On Tue, Jul 25, 2017 at 09:08:23AM -0400, Michael Meissner wrote:
> > After this all is done you can probably simplify the constraints a bit.
> > Looking forward to it :-)
>
> No, we can never remove constraints, since otherwise it would break user
> written asm statements.
As we discussed offlin
On Tue, Jul 25, 2017 at 07:34:46AM -0500, Segher Boessenkool wrote:
> Hi Mike,
>
> On Mon, Jul 24, 2017 at 07:40:26PM -0400, Michael Meissner wrote:
> > This patch eliminates the TARGET_UPPER_REGS_{DF,SF} macros. The next patch
> > will eliminate TARGET_UPPER_REGS_DI.
> >
> > I had to tune the o
Hi Mike,
On Mon, Jul 24, 2017 at 07:40:26PM -0400, Michael Meissner wrote:
> This patch eliminates the TARGET_UPPER_REGS_{DF,SF} macros. The next patch
> will eliminate TARGET_UPPER_REGS_DI.
>
> I had to tune the optimization that turned load into FPR register and then
> move
> to Altivec regis
This patch eliminates the TARGET_UPPER_REGS_{DF,SF} macros. The next patch
will eliminate TARGET_UPPER_REGS_DI.
I had to tune the optimization that turned load into FPR register and then move
to Altivec register (and the store equivalent) because it used
TARGET_UPPER_REGS_ to protect SFmode on po
