On Wed, Dec 16, 2020 at 04:19:12PM +0800, Kewen.Lin wrote:
> on 2020/12/15 下午10:40, Segher Boessenkool wrote:
> > I mean do
> >
> > rtx tmp = force_reg (inner_mode, XVECEXP (vals, 0, i));
> > op[i] = simplify_gen_subreg (SImode, tmp, inner_mode, 0);
> >
> > If that works
Hi Segher,
on 2020/12/15 下午10:40, Segher Boessenkool wrote:
> Hi Ke Wen,
>
> On Tue, Dec 15, 2020 at 03:53:29PM +0800, Kewen.Lin wrote:
>> on 2020/12/15 上午2:51, Segher Boessenkool wrote:
>>> On Wed, Dec 02, 2020 at 05:44:24PM +0800, Kewen.Lin wrote:
--- a/gcc/config/rs6000/rs6000.c
+++
Hi Ke Wen,
On Tue, Dec 15, 2020 at 03:53:29PM +0800, Kewen.Lin wrote:
> on 2020/12/15 上午2:51, Segher Boessenkool wrote:
> > On Wed, Dec 02, 2020 at 05:44:24PM +0800, Kewen.Lin wrote:
> >> --- a/gcc/config/rs6000/rs6000.c
> >> +++ b/gcc/config/rs6000/rs6000.c
> >> @@ -6793,17 +6793,8 @@
Hi Segher,
Thanks for the review!
on 2020/12/15 上午2:51, Segher Boessenkool wrote:
> Hi!
>
> On Wed, Dec 02, 2020 at 05:44:24PM +0800, Kewen.Lin wrote:
>> This patch is to use paradoxical subreg instead of
>> zero_extend for promoting QI/HI to SI/DI when we
>> want to construct one vector with
On Wed, Dec 02, 2020 at 04:32:47PM -0600, will schmidt wrote:
> On Wed, 2020-12-02 at 17:44 +0800, Kewen.Lin via Gcc-patches wrote:
> > * gcc.target/powerpc/pr96933-1.c: Adjusted to check no rlwinm.
> > * gcc.target/powerpc/pr96933-2.c: Likewise.
>
> Ok. (I'd hope a few more extend
Hi!
On Wed, Dec 02, 2020 at 05:44:24PM +0800, Kewen.Lin wrote:
> This patch is to use paradoxical subreg instead of
> zero_extend for promoting QI/HI to SI/DI when we
> want to construct one vector with these modes.
> Since we do the gpr->vsx movement and vector merge
> or pack later, the high
On Wed, 2020-12-02 at 17:44 +0800, Kewen.Lin via Gcc-patches wrote:
> Hi,
>
> This patch is to use paradoxical subreg instead of
> zero_extend for promoting QI/HI to SI/DI when we
> want to construct one vector with these modes.
> Since we do the gpr->vsx movement and vector merge
> or pack
Hi,
This patch is to use paradoxical subreg instead of
zero_extend for promoting QI/HI to SI/DI when we
want to construct one vector with these modes.
Since we do the gpr->vsx movement and vector merge
or pack later, the high part is useless and safe to
use paradoxical subreg. It can avoid
