[all-commits] [llvm/llvm-project] a2d19b: [RISCV] Use whole register load/store for generic ...

[Kai Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a2d19bad07454ae7936d8f2b8482e24d57954fc4
      https://github.com/llvm/llvm-project/commit/a2d19bad07454ae7936d8f2b8482e24d57954fc4
  Author: Hsiangkai Wang <kai.wang at sifive.com>
  Date:   2021-02-09 (Tue, 09 Feb 2021)

  Changed paths:
    M llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
    M llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoV.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
    M llvm/test/CodeGen/RISCV/rvv/add-vsetvli-vlmax.ll
    M llvm/test/CodeGen/RISCV/rvv/load-add-store-16.ll
    M llvm/test/CodeGen/RISCV/rvv/load-add-store-32.ll
    M llvm/test/CodeGen/RISCV/rvv/load-add-store-64.ll
    M llvm/test/CodeGen/RISCV/rvv/load-add-store-8.ll
    M llvm/test/CodeGen/RISCV/rvv/vaadd-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vaadd-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vaaddu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vaaddu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vadd-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vadd-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vand-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vand-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vasub-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vasub-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vasubu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vasubu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vdiv-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vdiv-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vdivu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vdivu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfadd-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfadd-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfdiv-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfdiv-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmadd-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmax-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmax-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmin-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmin-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmsub-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmul-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfmul-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfnmadd-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfnmsub-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsgnj-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsgnj-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsgnjn-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsgnjn-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsgnjx-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsgnjx-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsub-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfsub-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwadd.w-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwadd.w-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwsub.w-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vfwsub.w-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmax-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmax-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmaxu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmaxu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmin-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmin-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vminu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vminu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmul-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmul-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmulh-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmulh-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmulhsu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmulhsu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vmulhu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vmulhu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vor-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vor-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vrem-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vrem-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vremu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vremu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vrgather-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vrgather-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vrgatherei16-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vrgatherei16-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsadd-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsadd-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsaddu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsaddu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsll-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsll-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsmul-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsmul-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsra-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsra-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsrl-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsrl-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vssra-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vssra-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vssrl-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vssrl-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vssub-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vssub-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vssubu-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vssubu-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vsub-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vsub-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vwadd.w-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vwadd.w-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vwaddu.w-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vwaddu.w-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vwsub.w-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vwsub.w-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vwsubu.w-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vwsubu.w-rv64.ll
    M llvm/test/CodeGen/RISCV/rvv/vxor-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/vxor-rv64.ll
    M llvm/test/CodeGen/RISCV/scalable-vector-struct.ll
    M llvm/test/MC/RISCV/rvv/invalid.s

  Log Message:
  -----------
  [RISCV] Use whole register load/store for generic load/store.

In vector v0.10, there are whole vector register load/store
instructions. I suggest to use the whole register load/store
instructions for generic load/store for scalable vector types. It could
save up vset{i}vl{i} for these load/store.

For fractional LMUL, I keep to use vle{eew}.v/vse{eew}.v instructions to
load/store partial vector registers.

Differential Revision: https://reviews.llvm.org/D95853