[all-commits] [llvm/llvm-project] 0ddc81: AMDGPU: Reduce cost of f64 copysign
Matt Arsenault via All-commits
all-commits at lists.llvm.org
Tue Jun 17 08:31:57 PDT 2025
Branch: refs/heads/users/arsenm/amdgpu/reduce-cost-f64-copysign
Home: https://github.com/llvm/llvm-project
Commit: 0ddc81d117497e6caea3334f7e62ff1aa62f0e3a
https://github.com/llvm/llvm-project/commit/0ddc81d117497e6caea3334f7e62ff1aa62f0e3a
Author: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: 2025-06-17 (Tue, 17 Jun 2025)
Changed paths:
M llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
M llvm/test/Analysis/CostModel/AMDGPU/copysign.ll
Log Message:
-----------
AMDGPU: Reduce cost of f64 copysign
The real implementation is 1 real instruction plus a constant
materialize. Call that a 1, it's not a real f64 operation.
To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications
More information about the All-commits
mailing list