[all-commits] [llvm/llvm-project] 7993f2: [RISCV][GISel] Legalize G_IS_FPCLASS for fp128 (#1...

[Gábor Spaits via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7993f2c77d6528285a43ff0c44e46adb34ec8495
      https://github.com/llvm/llvm-project/commit/7993f2c77d6528285a43ff0c44e46adb34ec8495
  Author: Gábor Spaits <gaborspaits1 at gmail.com>
  Date:   2026-05-07 (Thu, 07 May 2026)

  Changed paths:
    M llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
    M llvm/test/CodeGen/RISCV/GlobalISel/double-intrinsics.ll
    M llvm/test/CodeGen/RISCV/GlobalISel/legalizer-info-validation.mir

  Log Message:
  -----------
  [RISCV][GISel] Legalize G_IS_FPCLASS for fp128 (#195738)

When compiling `libc/src/stdlib/strtold.cpp` with GlobalISel there is a
failure. Calls to `@llvm.is.fpclass.f128` are translated to
G_IS_FPCLASS, which couldn't be laglized.

This PR tries to address that.



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