[PATCH] D157437: AMDGPU: Expand remaining system atomic operations

Stanislav Mekhanoshin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 8 16:52:23 PDT 2023


rampitec added a comment.

It seems unfair to me, we give an option to override it for FP atomics, but not for INT.



================
Comment at: llvm/lib/Target/AMDGPU/SIISelLowering.cpp:14166
+  case AtomicRMWInst::Add:
+    // PCIe supports add and xchg for system atomics.
+    break;
----------------
It does not support it for system scope atomics, it just supports it.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157437/new/

https://reviews.llvm.org/D157437



More information about the llvm-commits mailing list