[gcc(refs/users/meissner/heads/work164-dmf)] Add paddis support.

https://gcc.gnu.org/g:f07d17259dcf6da52ff43a799ce211c955155c45 commit f07d17259dcf6da52ff43a799ce211c955155c45 Author: Michael Meissner Date: Tue Apr 9 17:54:06 2024 -0400 Add paddis support. 2024-04-09 Michael Meissner gcc/ * config/rs6000/constraints

[gcc(refs/users/meissner/heads/work164-dmf)] Add paddis support.

https://gcc.gnu.org/g:a111516557ce455bbcade91f94299af03c9f3bb4 commit a111516557ce455bbcade91f94299af03c9f3bb4 Author: Michael Meissner Date: Mon Apr 8 23:46:29 2024 -0400 Add paddis support. 2024-03-22 Michael Meissner gcc/ * config/rs6000/constraints