[all-commits] [llvm/llvm-project] d9e5e7: [LoongArch] Lowering flog2 to flogb (#162978)

[Zhaoxin Yang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d9e5e725ed33e462477d5559ffece0d08e9c8dad
      https://github.com/llvm/llvm-project/commit/d9e5e725ed33e462477d5559ffece0d08e9c8dad
  Author: Zhaoxin Yang <yangzhaoxin at loongson.cn>
  Date:   2025-10-31 (Fri, 31 Oct 2025)

  Changed paths:
    M llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td
    M llvm/lib/Target/LoongArch/LoongArchFloat64InstrInfo.td
    M llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
    M llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
    M llvm/lib/Target/LoongArch/LoongArchLSXInstrInfo.td
    M llvm/test/CodeGen/LoongArch/ir-instruction/flog2.ll
    M llvm/test/CodeGen/LoongArch/lasx/ir-instruction/flog2.ll
    M llvm/test/CodeGen/LoongArch/lsx/ir-instruction/flog2.ll

  Log Message:
  -----------
  [LoongArch] Lowering flog2 to flogb (#162978)

According to LoongArch ISA Volume 1 V1.11, FLOGB.S/D is unsupported in LA32.



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