Comment # 3
on bug 71647
from Tom
(In reply to comment #2) > Can you bisect this? It's possible that this commit is responsible: > > R600/SI: Prefer SALU instructions for bit shift operations > > All shift operations will be selected as SALU instructions and then > if necessary lowered to VALU instructions in the SIFixSGPRCopies pass. > > This allows us to do more operations on the SALU which will improve > performance and is also required for implementing private memory > using indirect addressing, since the private memory pointers must stay > in the scalar registers. > > This patch includes some fixes from Matt Arsenault. > > git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194625 > 91177308-0d34-0410-b5e6-96231b3b80d8 After update to the latest git version everything returned to normal. Thanks.
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