[llvm] PPC750cl, and initial support for paired singles (PR #211463)

[Cynthia Coan via llvm-commits]

Mythra wrote:

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> Please reply to this message to confirm that you have read these policies, especially the LLVM AI Tool Use Policy, and that any AI tool usage has been noted in the PR description.
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I understand, and am confirming that I have read these policies and disclosed any uses of AI.



https://github.com/llvm/llvm-project/pull/211463