[all-commits] [llvm/llvm-project] 5aa938: clang/HIP: Do not call ocml in scalbln implementat...

Matt Arsenault via All-commits all-commits at lists.llvm.org
Thu Mar 6 06:43:23 PST 2025


  Branch: refs/heads/users/arsenm/clang/hip-fix-scalblnf-implementation
  Home:   https://github.com/llvm/llvm-project
  Commit: 5aa9386f2ff9f0f7565eb4b480af1119c904ec62
      https://github.com/llvm/llvm-project/commit/5aa9386f2ff9f0f7565eb4b480af1119c904ec62
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-03-06 (Thu, 06 Mar 2025)

  Changed paths:
    M clang/lib/Headers/__clang_hip_math.h
    M clang/lib/Headers/__clang_hip_runtime_wrapper.h
    M clang/test/Headers/__clang_hip_math.hip

  Log Message:
  -----------
  clang/HIP: Do not call ocml in scalbln implementations

I do not understand why this was calling the float version with
an implicit cast from the long. Just clamp to the bounds of int,
and use the generic ldexp (this is also how musl does it (except
scalbnf is the base implementation there).

Somehow INT_MIN was also not defined, so deal with that.



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