[PATCH] D149986: AMDGPU: Force sc0 and sc1 on stores for gfx940 and gfx941
Konstantin Zhuravlyov via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed May 10 09:27:01 PDT 2023
kzhuravl marked an inline comment as done.
kzhuravl added inline comments.
================
Comment at: llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp:524
+ SIAtomicAddrSpace::NONE)
+ return enableSC0Bit(MI) | enableSC1Bit(MI);
+ return false;
----------------
jmmartinez wrote:
> NIT: Is the use of the bitwise or " | " intended? I'd use the logical or " || " instead.
It is intentional, we need both SC0 and SC1 bits set. If I switch this to || it will short circuit and not invoke enableSC1Bit.
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https://reviews.llvm.org/D149986/new/
https://reviews.llvm.org/D149986
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