[PATCH] D65434: [RISCV] Custom legalize i32 operations for RV64 to reduce signed extensions

[Shiva Chen via Phabricator via llvm-commits]

shiva0217 created this revision.
shiva0217 added reviewers: asb, lenary.
Herald added subscribers: s.egerton, Jim, benna, psnobl, jocewei, PkmX, rkruppe, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, MaskRay, jrtc27, kito-cheng, niosHD, sabuasal, apazos, simoncook, johnrusso, rbar.
Herald added a project: LLVM.

Custom legalize add, sub, mul operations with i32 type for RV64 to reduce signed extensions.


Repository:
  rL LLVM

https://reviews.llvm.org/D65434

Files:
  lib/Target/RISCV/RISCVISelLowering.cpp
  test/CodeGen/RISCV/rv64i-w-insts-legalization.ll
  test/CodeGen/RISCV/rv64m-w-insts-legalization.ll

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