[PATCH] D95302: [RISCV] Remove isel patterns for Zbs *W instructions.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Jan 23 19:59:30 PST 2021


craig.topper created this revision.
craig.topper added reviewers: asb, frasercrmck, luismarques, simoncook, PaoloS, lewis-revill.
Herald added subscribers: NickHung, evandro, apazos, sameer.abuasal, pzheng, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, johnrusso, rbar, hiraditya.
craig.topper requested review of this revision.
Herald added a subscriber: MaskRay.
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These instructions have been removed from the 0.94 bitmanip spec.
We should focus on optimizing the codegen without using them.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95302

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoB.td
  llvm/test/CodeGen/RISCV/rv64Zbs.ll

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