[all-commits] [llvm/llvm-project] d02b98: [RISCV] Don't use constantpool for floating-point ...

[Han-Kuan Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d02b9869b2422a7995505e3ef0900da7ef822497
      https://github.com/llvm/llvm-project/commit/d02b9869b2422a7995505e3ef0900da7ef822497
  Author: Han-Kuan Chen <hankuan.chen at sifive.com>
  Date:   2023-02-03 (Fri, 03 Feb 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
    M llvm/test/CodeGen/RISCV/calling-conv-half.ll
    M llvm/test/CodeGen/RISCV/calling-conv-ilp32f-ilp32d-common.ll
    M llvm/test/CodeGen/RISCV/codemodel-lowering.ll
    M llvm/test/CodeGen/RISCV/float-convert.ll
    M llvm/test/CodeGen/RISCV/float-imm.ll
    M llvm/test/CodeGen/RISCV/float-intrinsics.ll
    M llvm/test/CodeGen/RISCV/float-round-conv-sat.ll
    M llvm/test/CodeGen/RISCV/float-round-conv.ll
    M llvm/test/CodeGen/RISCV/float-select-verify.ll
    M llvm/test/CodeGen/RISCV/fp-imm.ll
    M llvm/test/CodeGen/RISCV/half-convert.ll
    M llvm/test/CodeGen/RISCV/half-imm.ll
    M llvm/test/CodeGen/RISCV/half-intrinsics.ll
    M llvm/test/CodeGen/RISCV/half-round-conv-sat.ll
    M llvm/test/CodeGen/RISCV/half-round-conv.ll
    M llvm/test/CodeGen/RISCV/rvv/ceil-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/extractelt-fp.ll
    M llvm/test/CodeGen/RISCV/rvv/fceil-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/ffloor-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ceil-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-extract.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-floor-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp-buildvec.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fround.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-froundeven.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-nearbyint-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-reduction-fp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-rint-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-round-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundeven-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundtozero-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/float-round-conv.ll
    M llvm/test/CodeGen/RISCV/rvv/floor-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/fround-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/froundeven-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/ftrunc-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/nearbyint-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/rint-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/round-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/roundeven-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/roundtozero-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vreductions-fp-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/vsetvli-insert-crossbb.ll
    M llvm/test/CodeGen/RISCV/select-const.ll
    M llvm/test/CodeGen/RISCV/select-optimize-multiple.ll
    M llvm/test/CodeGen/RISCV/zfh-imm.ll
    M llvm/test/CodeGen/RISCV/zfhmin-imm.ll

  Log Message:
  -----------
  [RISCV] Don't use constantpool for floating-point value if the value can be easily constructed by integer sequence and a floating-point move.

In addition, this commit does the following combine

vfmv.v.f + fmv.[dhw].x -> vmv.v.x
vfmv.s.f + fmv.[dhw].x -> vmv.s.x
vfmerge.vfm + fmv.[dhw].x -> vmerge.vxm

Differential Revision: https://reviews.llvm.org/D142953