[PATCH] D146031: [AMDGPU] Add MMOs for GFX11 Streamout Instructions
Diana Picus via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Mar 20 06:00:17 PDT 2023
rovka updated this revision to Diff 506559.
rovka added a comment.
It seems arc didn't want to update the revision Summary from my commit message, so I'll add this as a comment:
I'm also planning to add this paragraph to the commit message:
[...]
Since this address space is meant to be compiler-internal, we move it
up a bit from the other address spaces and give it the number 128.
According to the LLVM Language Reference, address space numbers can go
all the way up to 2^24, but I'm not sure how well this is supported in
practice [1], so using a smaller number seems safer.
[1] https://github.com/llvm/llvm-project/blob/0107513fe79da7670e37c29c0862794a2213a89c/llvm/utils/TableGen/IntrinsicEmitter.cpp#L401
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D146031/new/
https://reviews.llvm.org/D146031
Files:
llvm/docs/AMDGPUUsage.rst
llvm/include/llvm/IR/IntrinsicsAMDGPU.td
llvm/lib/Target/AMDGPU/AMDGPU.h
llvm/lib/Target/AMDGPU/SIISelLowering.cpp
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ds.add.gs.reg.rtn.ll
llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ds.sub.gs.reg.rtn.ll
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