[PATCH] D15873: AMDGPU: Implement readcyclecounter

[Nicolai Hähnle via llvm-commits]

nhaehnle added a comment.

NAK on that. I agree that it feels odd, but...

The documentation explicitly mentions that "s_memtime counts the same as an s_load_dwordx2" (in the publicly released AMD_GCN3_Instruction_Set_Architecture.pdf, page 39 of the PDF in section 4.4, where LGKM_CNT is discussed).


http://reviews.llvm.org/D15873