[PATCH] D152117: [RISC-V] Zvk update to 0.9.7, Zvknc/Zvksc

[Eric Gouriou via Phabricator via llvm-commits]

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[RISC-V] Zvk update to 0.9.7, Zvknc/Zvksc

      

Update the RISC-V Zvk (vector cryptography) extension support from 0.5
to version 0.9.7 (2023-05-31), per

  <https://github.com/riscv/riscv-crypto/releases/download/v20230531/riscv-crypto-spec-vector.pdf>


Differences:

- Zvbc is dropped from Zvkn and Zvks, and by extension from Zvkng and Zvksg;
- new combo extensions Zvknc and Zvksc are introduced, adding Zvbc to Zvkn and Zvks;
- the experimentatl extensions are tagged as "0.9", from the earlier "0.5".

Signed-off-by: Eric Gouriou <ego at rivosinc.com>


https://reviews.llvm.org/D152117

Files:
  clang/test/Preprocessor/riscv-target-features.c
  llvm/docs/RISCVUsage.rst
  llvm/lib/Support/RISCVISAInfo.cpp
  llvm/lib/Target/RISCV/RISCVFeatures.td
  llvm/test/CodeGen/RISCV/attributes.ll
  llvm/test/MC/RISCV/attribute-arch.s

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