[PATCH] D50004: [PowerPC] Emit xscpsgndp instead of xxlor when copying floating point scalar registers for P9

[Amy Kwan via Phabricator via llvm-commits]

amyk updated this revision to Diff 158979.
amyk added a comment.

This revision primarily addresses enabling `xscpsgndp` for https://reviews.llvm.org/P9 only, as `xxlor` is still preferable to use for copying floating point scalars pre-P9.


https://reviews.llvm.org/D50004

Files:
  llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
  llvm/test/CodeGen/PowerPC/builtins-ppc-p9-f128.ll
  llvm/test/CodeGen/PowerPC/f128-conv.ll
  llvm/test/CodeGen/PowerPC/f128-passByValue.ll
  llvm/test/CodeGen/PowerPC/p8-scalar_vector_conversions.ll
  llvm/test/CodeGen/PowerPC/p9_copy_fp.ll
  llvm/test/CodeGen/PowerPC/vsx-spill.ll
  llvm/test/CodeGen/PowerPC/vsx.ll

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