[PATCH] D71829: [PowerPC] Exploit the rlwinm instructions for "and" with constant.
qshanz via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Dec 25 23:30:37 PST 2019
steven.zhang updated this revision to Diff 235319.
steven.zhang added a comment.
Remove the 16-bit limit as we will have benefit even it is within 16bit, as rlwinm won't define the CR register while ANDIo did.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D71829/new/
https://reviews.llvm.org/D71829
Files:
llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.h
llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
llvm/test/CodeGen/PowerPC/and-mask.ll
llvm/test/CodeGen/PowerPC/opt-cmp-inst-cr0-live.ll
llvm/test/CodeGen/PowerPC/popcnt-zext.ll
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