[gcc(refs/users/meissner/heads/work169)] Add -mcpu=future tuning support.

https://gcc.gnu.org/g:5f1ab419ab4a1357ab6458b72d5c74a04d26503a commit 5f1ab419ab4a1357ab6458b72d5c74a04d26503a Author: Michael Meissner Date: Mon Jun 17 16:14:22 2024 -0400 Add -mcpu=future tuning support. This patch makes -mtune=future use the same tuning decision as -mtune=powe

[gcc(refs/users/meissner/heads/work169)] Add -mcpu=future tuning support.

https://gcc.gnu.org/g:2a14f1136021581890d55530eb115b53e7ea8baf commit 2a14f1136021581890d55530eb115b53e7ea8baf Author: Michael Meissner Date: Mon Jun 17 16:14:22 2024 -0400 Add -mcpu=future tuning support. This patch makes -mtune=future use the same tuning decision as -mtune=powe