[all-commits] [llvm/llvm-project] 8ddada: [RISCV] Add Andes XAndesVBFHCvt (Andes Vector BFLO...

[Jim Lin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8ddada41df0488358373cff1d31a47e5ef4961e0
      https://github.com/llvm/llvm-project/commit/8ddada41df0488358373cff1d31a47e5ef4961e0
  Author: Jim Lin <jim at andestech.com>
  Date:   2025-06-18 (Wed, 18 Jun 2025)

  Changed paths:
    M clang/test/Driver/print-supported-extensions-riscv.c
    M clang/test/Preprocessor/riscv-target-features-andes.c
    M llvm/docs/RISCVUsage.rst
    M llvm/docs/ReleaseNotes.md
    M llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
    M llvm/lib/Target/RISCV/RISCVFeatures.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoXAndes.td
    M llvm/test/CodeGen/RISCV/attributes.ll
    M llvm/test/CodeGen/RISCV/features-info.ll
    A llvm/test/MC/RISCV/xandesvbfhcvt-valid.s
    M llvm/unittests/TargetParser/RISCVISAInfoTest.cpp

  Log Message:
  -----------
  [RISCV] Add Andes XAndesVBFHCvt (Andes Vector BFLOAT16 Conversion) extension (#144320)

The spec can be found at:
https://github.com/andestech/andes-v5-isa/releases/tag/ast-v5_4_0-release.

This patch only supports assembler. The instructions are similar to
`Zvfbfmin` and the only difference with `Zvfbfmin` is that
`XAndesVBFHCvt` doesn't have mask variant.



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