[PATCH] D47885: [AMDGPU][GFX8][GFX9] Allow LDS direct reads for DWORDX2/X3/X4
Stanislav Mekhanoshin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue May 10 16:08:47 PDT 2022
rampitec added a comment.
Herald added subscribers: kerbowa, jvesely.
Herald added projects: LLVM, All.
I do not understand how may this work. The LDS address has the component TID * 4. I.e. neighboring lanes shall overwrite each other. I can only imagine a scenario with a very specific EXEC mask where it might be different.
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https://reviews.llvm.org/D47885/new/
https://reviews.llvm.org/D47885
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