[PATCH] D121774: [RISCV] support fcmp in zfinx,zdinx,zhinx

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add support of fcmp in zfinx and its double and half instructions. Co-Author: @liaolucy @s


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121774

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVInstrFormats.td
  llvm/lib/Target/RISCV/RISCVInstrInfoD.td
  llvm/lib/Target/RISCV/RISCVInstrInfoF.td
  llvm/lib/Target/RISCV/RISCVInstrInfoZfh.td
  llvm/test/CodeGen/RISCV/double-fcmp.ll
  llvm/test/CodeGen/RISCV/float-fcmp.ll
  llvm/test/CodeGen/RISCV/half-fcmp.ll
  llvm/test/CodeGen/RISCV/subtarget-features-std-ext.ll
  llvm/test/CodeGen/RISCV/target-abi-invalid.ll

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