[gcc(refs/users/meissner/heads/work164-dmf)] Add wD constraint.

https://gcc.gnu.org/g:ddcfc9baba6d56ded3bd877409614d494803f26f commit ddcfc9baba6d56ded3bd877409614d494803f26f Author: Michael Meissner Date: Mon Apr 8 21:34:32 2024 -0400 Add wD constraint. This patch adds a new constraint ('wD') that matches the accumulator registers that

[gcc(refs/users/meissner/heads/work164-dmf)] Add wD constraint.

https://gcc.gnu.org/g:b00e0644aaeaaca5044af30724f85f46fe132956 commit b00e0644aaeaaca5044af30724f85f46fe132956 Author: Michael Meissner Date: Mon Apr 8 19:05:25 2024 -0400 Add wD constraint. This patch adds a new constraint ('wD') that matches the accumulator registers that