On Wed, Jul 18, 2018 at 05:59:50PM -0500, Segher Boessenkool wrote:
> Hi Mike,
>
> On Fri, Jul 13, 2018 at 04:56:13PM -0400, Michael Meissner wrote:
> > This means rather than keeping the toc fusion around (that nobody used), I
> > would prefer to delete the current code, and replace it with
Hi Mike,
On Fri, Jul 13, 2018 at 04:56:13PM -0400, Michael Meissner wrote:
> This means rather than keeping the toc fusion around (that nobody used), I
> would prefer to delete the current code, and replace it with better code as I
> implement it.
> +++ gcc/config/rs6000/constraints.md
Back in the days when I was developing the extended fusion support for PowerPC
(-mpower9-fusion), I added a partially implemented option called toc fusion.
The idea was to recognize TOC entries (that normally get split into HIGH/LO_SUM
pairs) early on, and keep the pairs together. Unfortunately,
