[all-commits] [llvm/llvm-project] 3e4153: [RISCV] Implement Builtins for XAndesBFHCvt extens...

[Jim Lin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3e4153c97b54d456cfaf6ae21391122582b0ab28
      https://github.com/llvm/llvm-project/commit/3e4153c97b54d456cfaf6ae21391122582b0ab28
  Author: Jim Lin <jim at andestech.com>
  Date:   2025-07-16 (Wed, 16 Jul 2025)

  Changed paths:
    M clang/include/clang/Basic/BuiltinsRISCV.td
    A clang/include/clang/Basic/BuiltinsRISCVXAndes.td
    M clang/lib/CodeGen/TargetBuiltins/RISCV.cpp
    M clang/lib/Headers/CMakeLists.txt
    A clang/lib/Headers/riscv_nds.h
    A clang/test/CodeGen/RISCV/riscv-xandesbfhcvt-c-api.c
    A clang/test/CodeGen/RISCV/riscv-xandesbfhcvt.c
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoXAndes.td
    A llvm/test/CodeGen/RISCV/xandesbfhcvt.ll

  Log Message:
  -----------
  [RISCV] Implement Builtins for XAndesBFHCvt extension. (#148804)

XAndesBFHCvt provides two builtins functions for converting between
float and bf16. Users can use them to convert bf16 values loaded from
memory to float, perform arithmetic operations, then convert them back
to bf16 and store them to memory.

The load/store and move operations for bf16 will be handled in a later
patch.



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