[PATCH] D131560: AMDGPU: Improve atomicrmw fadd selection
Stanislav Mekhanoshin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 15 15:56:33 PDT 2022
rampitec added inline comments.
================
Comment at: llvm/lib/Target/AMDGPU/SIISelLowering.cpp:12781
+ // Global fadd f32 no-rtn for gfx908 (and gfx11+).
+ if (!Subtarget->hasGFX90AInsts() && AS == AMDGPUAS::GLOBAL_ADDRESS &&
+ Ty->isFloatTy() && RMW->use_empty())
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I think both are still unsafe even when supported, on both targets.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D131560/new/
https://reviews.llvm.org/D131560
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