[all-commits] [llvm/llvm-project] 9cf460: [NVPTX] Add -nvptx-prec-divf32=3 to disable ftz fo...

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9cf4603bf9e3bc4249fbe0d183fa31f2bba1eb7e
      https://github.com/llvm/llvm-project/commit/9cf4603bf9e3bc4249fbe0d183fa31f2bba1eb7e
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2025-05-27 (Tue, 27 May 2025)

  Changed paths:
    M llvm/lib/Target/NVPTX/NVPTX.h
    M llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
    M llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
    A llvm/test/CodeGen/NVPTX/nvptx-prec-divf32-flag.ll

  Log Message:
  -----------
  [NVPTX] Add -nvptx-prec-divf32=3 to disable ftz for f32 fdiv (#141276)

This change allows a new value (3) to be specified to the
-nvptx-prec-divf32 command line option to force non-ftz div generation
in all cases. This can be useful when debugging precision issues in
NVPTX.



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