tree aeb61ba147e44d6d555fbe409860333fddf027e4
parent 2a8960e48b178fb2533e71bbe164e9f383046114
author Jim Lin <jim@andestech.com> 1747275687 +0800
committer GitHub <noreply@github.com> 1747275687 +0800
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[RISCV] Support LLVM IR intrinsics for XAndesVPackFPH (#139860)

This patch adds LLVM IR intrinsic support for XAndesVPackFPH.

The document for the intrinsics can be found at:
https://github.com/andestech/andes-vector-intrinsic-doc/blob/ast-v5_4_0-release-v5/auto-generated/andes-v5/intrinsic_funcs.adoc#andes-vector-packed-fp16-extensionxandesvpackfph
and with policy variants
https://github.com/andestech/andes-vector-intrinsic-doc/blob/ast-v5_4_0-release-v5/auto-generated/andes-v5/policy_funcs/intrinsic_funcs.adoc#andes-vector-packed-fp16-extensionxandesvpackfph

The clang part will be added in a later patch.

Co-authored-by: Tony Chuan-Yue Yuan <yuan593@andestech.com>