[llvm] [SystemZ] Don't lower float/double ATOMIC_[LOAD|STORE] to [LOAD|STORE] (PR #75879)

[Jonas Paulsson via llvm-commits]

JonPsson1 wrote:

Patch updated: PPC integer types in patterns specified properly.

Waiting on #83446 which will remove the FP/Int casting that Clang is currently doing.


https://github.com/llvm/llvm-project/pull/75879