[PATCH] D149743: [RISCV][CodeGen] Support Zdinx on RV32 codegen

[Shao-Ce SUN via Phabricator via llvm-commits]

sunshaoce updated this revision to Diff 519333.
sunshaoce added a comment.

Update `unpackF64OnRV32DSoftABI`, do not use `RISCVISD::BuildPairF64` on zdinx, but use `build_pair + bitcast`.
I forgot to submit this before, now we can get:

  $ bin/clang -cc1 -triple riscv32 -target-feature +zdinx -S test.c -O3 
  
  foo:                                    # @foo
  .Lfoo$local:
  	.type	.Lfoo$local, at function
  # %bb.0:                                # %entry
  	addi	a3, a0, 2044
  	sw	a1, 2044(a0)
  	sw	a2, 4(a3)
  	ret


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149743/new/

https://reviews.llvm.org/D149743

Files:
  llvm/docs/RISCVUsage.rst
  llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfoD.td
  llvm/test/CodeGen/RISCV/double-arith-strict.ll
  llvm/test/CodeGen/RISCV/double-arith.ll
  llvm/test/CodeGen/RISCV/double-bitmanip-dagcombines.ll
  llvm/test/CodeGen/RISCV/double-br-fcmp.ll
  llvm/test/CodeGen/RISCV/double-calling-conv.ll
  llvm/test/CodeGen/RISCV/double-convert-strict.ll
  llvm/test/CodeGen/RISCV/double-convert.ll
  llvm/test/CodeGen/RISCV/double-fcmp-strict.ll
  llvm/test/CodeGen/RISCV/double-fcmp.ll
  llvm/test/CodeGen/RISCV/double-frem.ll
  llvm/test/CodeGen/RISCV/double-imm.ll
  llvm/test/CodeGen/RISCV/double-intrinsics-strict.ll
  llvm/test/CodeGen/RISCV/double-intrinsics.ll
  llvm/test/CodeGen/RISCV/double-isnan.ll
  llvm/test/CodeGen/RISCV/double-mem.ll
  llvm/test/CodeGen/RISCV/double-previous-failure.ll
  llvm/test/CodeGen/RISCV/double-round-conv-sat.ll
  llvm/test/CodeGen/RISCV/double-round-conv.ll
  llvm/test/CodeGen/RISCV/double-select-fcmp.ll
  llvm/test/CodeGen/RISCV/double-select-icmp.ll
  llvm/test/CodeGen/RISCV/double-stack-spill-restore.ll

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