On Fri, Jun 27, 2025 at 12:29:06PM -0500, Segher Boessenkool wrote: > Hi! > > On Wed, Jun 25, 2025 at 02:50:14PM -0400, Michael Meissner wrote: > > This is patch #1 of 3 that adds the support that can be used in developing > > GCC > > support for potential future PowerPC processors. With all 3 patches, the > > tuning > > for the 'future' processor is the same as power10 and power11. It may be > > in the > > future this tuning will change as any future PowerPC processor evolves. > > Commit messages, just like mail messages, should be at most 72 columns > wide. > > > Patch #2 will change the tuning support in power10.md to treat > > -mtune=future the > > same as -mtune=power10. > > > > Patch #3 will add tests for -mcpu=future. > > Since all of the tuning stuff for Future will have to change later > anyway, it would be way easier and more useful, now and in the future, > to actually code "use p11 tuning" whenever asked for Future tuning. > That way, when we post the real thing, we'll just have to neuter the > stopgap thing in one spot, not thirty. > > And of course we will never have to incorrectly say "this is the tuning > for future!" anywhere.
Ok, for now I will just have the -mcpu=future set PROCESSOR_POWER11, with a note that when we need to flesh about the future support, we will add a new processor type. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: meiss...@linux.ibm.com
