[PATCH] D53237: [RISCV] Implement RV64D codegen

[Alex Bradbury via Phabricator via llvm-commits]

asb updated this revision to Diff 182853.
asb edited the summary of this revision.
asb added a comment.

Rebased on the latest RV64F update. As @efriedma pointed out, fptosi/fptoui produce poison if the input won't fit in the target type. Just like the equivalent case in RV64F, fcvt.l[u].d can typically be used rather than fcvt.w[u].d because of this.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D53237/new/

https://reviews.llvm.org/D53237

Files:
  lib/Target/RISCV/RISCVISelLowering.cpp
  lib/Target/RISCV/RISCVInstrInfoD.td
  test/CodeGen/RISCV/double-arith.ll
  test/CodeGen/RISCV/double-br-fcmp.ll
  test/CodeGen/RISCV/double-convert.ll
  test/CodeGen/RISCV/double-fcmp.ll
  test/CodeGen/RISCV/double-imm.ll
  test/CodeGen/RISCV/double-intrinsics.ll
  test/CodeGen/RISCV/double-mem.ll
  test/CodeGen/RISCV/double-select-fcmp.ll
  test/CodeGen/RISCV/double-stack-spill-restore.ll
  test/CodeGen/RISCV/rv64d-double-convert.ll

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