[PATCH] D157510: [RISCV] Implement intrinsics for XCVbitmanip extension in CV32E40P

[Funan Zeng via Phabricator via llvm-commits]

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Implement XCVbitmanip intrinsics for CV32E40P according to the specification.

This commit is part of a patch-set to upstream the vendor specific extensions of CV32E40P that need LLVM intrinsics to implement Clang builtins.

Contributors: @CharKeaney, @jeremybennett, @lewis-revill, @liaolucy, Nandni Jamnadas, @PaoloS, @simoncook, @xmj.

Spec: https://github.com/openhwgroup/core-v-sw/blob/b69b8a487f8b0e4ab7e559d459cd0bbacab8adc9/specifications/corev-builtin-spec.md#listing-of-pulp-bit-manipulation-builtins-xcvbitmanip


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D157510

Files:
  llvm/include/llvm/IR/IntrinsicsRISCV.td
  llvm/include/llvm/IR/IntrinsicsRISCVXCV.td
  llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td
  llvm/test/CodeGen/RISCV/xcvbitmanip.ll

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