[all-commits] [llvm/llvm-project] 4a7dbe: [RISCV] Support `svukte` extension (#115657)

[Brandon Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4a7dbede6badd27ce2ad07984134d5d25a2bbada
      https://github.com/llvm/llvm-project/commit/4a7dbede6badd27ce2ad07984134d5d25a2bbada
  Author: Brandon Wu <brandon.wu at sifive.com>
  Date:   2024-11-27 (Wed, 27 Nov 2024)

  Changed paths:
    M clang/test/Driver/print-supported-extensions-riscv.c
    M clang/test/Preprocessor/riscv-target-features.c
    M llvm/docs/RISCVUsage.rst
    M llvm/lib/Target/RISCV/RISCVFeatures.td
    M llvm/test/CodeGen/RISCV/attributes.ll
    M llvm/test/MC/RISCV/attribute-arch.s
    M llvm/unittests/TargetParser/RISCVISAInfoTest.cpp

  Log Message:
  -----------
  [RISCV] Support `svukte` extension (#115657)

This is the extension for "Address-Independent Latency of User-Mode
Faults to Supervisor Addresses".
Spec: https://github.com/riscv/riscv-isa-manual/pull/1564,
https://lf-riscv.atlassian.net/browse/RVS-2977
The spec states that the `svukte` depends on `sv39`, but we don't have
`sv39` yet, so I didn't add it to the implied list.



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