[PATCH] D63365: AMDGPU: Add ds_gws_init / ds_gws_barrier intrinsics

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added inline comments.


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Comment at: lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp:2074
+  // The manual doesn't mention this, but it seems only v0 works.
+  SDValue V0 = CurDAG->getRegister(AMDGPU::VGPR0, MVT::i32);
+
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This need a better explanation. Can we get a clarification before submitting this?


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  https://reviews.llvm.org/D63365/new/

https://reviews.llvm.org/D63365