[all-commits] [llvm/llvm-project] 715219: [MIPS] match llvm.{min, max}num with {min, max}.fmt ...

[Cinhi Young via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 715219482b99ceef9bf83a2ff68c64c8faa930cd
      https://github.com/llvm/llvm-project/commit/715219482b99ceef9bf83a2ff68c64c8faa930cd
  Author: Cinhi Young <cyanoxygen at aosc.io>
  Date:   2024-04-27 (Sat, 27 Apr 2024)

  Changed paths:
    M llvm/lib/Target/Mips/Mips32r6InstrInfo.td
    M llvm/lib/Target/Mips/MipsISelLowering.cpp
    A llvm/test/CodeGen/Mips/mipsr6-minmaxnum.ll
    M llvm/test/CodeGen/Mips/msa/f16-llvm-ir.ll

  Log Message:
  -----------
  [MIPS] match llvm.{min,max}num with {min,max}.fmt for R6 (#89021)

- The behavior is similar to UCOMISD on x86, which is also used to
compare two fp values, specifically on handling of NaNs.
- Update related tests regarding this change.
- The further goal is to implement `llvm.minimum` and `llvm.maximum`
intrinsics for MIPS R6 and Pre-R6.

Part of https://github.com/llvm/llvm-project/issues/64207



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