nemanjai added a subscriber: ZhangKang.
nemanjai added inline comments.

================
Comment at: llvm/lib/Target/PowerPC/PPCInstrInfo.td:3087
 // RM should be set.
+let hasSideEffects = 1 in {
 def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
----------------
I think we should conservatively set RM as an implicit def here. @ZhangKang you 
modified this code most recently, please provide your opinion here.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105930/new/

https://reviews.llvm.org/D105930

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