Hi Mike,
Thanks for the changes.
On Thu, Nov 08, 2018 at 04:28:52PM -0500, Michael Meissner wrote:
> * config/rs6000/constraints.md (wF constraint): Update constraint
> documentation for power8 fusion only.
"so it is for ...", maybe? It is hard to understand your sentence.
> +/
On Wed, Nov 07, 2018 at 01:36:50PM -0500, Michael Meissner wrote:
> On Mon, Nov 05, 2018 at 04:09:23PM -0600, Segher Boessenkool wrote:
> > Hi Mike,
> >
> > On Fri, Nov 02, 2018 at 02:37:34PM -0400, Michael Meissner wrote:
> > > This patch removes all of the so-called power9 fusion support for the
This is version 2 of the patch to remove power9 fusion. Is it ok to check into
the trunk?
[gcc]
2018-11-08 Michael Meissner
* config/rs6000/constraints.md (wF constraint): Update constraint
documentation for power8 fusion only.
* config/rs6000/predicates.md (p9_fusion
On Mon, Nov 05, 2018 at 04:09:23PM -0600, Segher Boessenkool wrote:
> Hi Mike,
>
> On Fri, Nov 02, 2018 at 02:37:34PM -0400, Michael Meissner wrote:
> > This patch removes all of the so-called power9 fusion support for the GCC
> > compiler. It leaves -mpower9-fusion as a deprecated switch in case
Hi Mike,
On Fri, Nov 02, 2018 at 02:37:34PM -0400, Michael Meissner wrote:
> This patch removes all of the so-called power9 fusion support for the GCC
> compiler. It leaves -mpower9-fusion as a deprecated switch in case somebody
> used it (the switch was never documented).
As Mike Stump says, pl
On Nov 2, 2018, at 11:37 AM, Michael Meissner wrote:
>
> As I discussed in my 2018 Cauldron talk, the PowerPC GCC compiler supported a
> subset of the original design for fusion in the power9 hardware using
> peepholes
> to fuse together ADDIS instructions and floating point load/store operation
As I discussed in my 2018 Cauldron talk, the PowerPC GCC compiler supported a
subset of the original design for fusion in the power9 hardware using peepholes
to fuse together ADDIS instructions and floating point load/store operations.
However, while fusion was part of the original power9 design,
