[llvm] [AArch64] Codegen for new SCVTF/UCVTF variants (FEAT_FPRCVT) (PR #123767)

[David Green via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mattr=+neon,+fprcvt -verify-machineinstrs %s -o - | FileCheck %s
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davemgreen wrote:

Can you add +fullfp16 to the +fprcvt run line. I think it might be implied by the architecture revision, or at least always be present in practice, but isn't modelled explicitly. That will hopefully help regularize the patterns.

https://github.com/llvm/llvm-project/pull/123767