[PATCH] D135515: [SPARC] Don't emit deprecated FP branches when targeting v9

[Koakuma via Phabricator via llvm-commits]

koakuma updated this revision to Diff 473396.
koakuma edited the summary of this revision.
koakuma added a comment.

Simplify the implementation; in particular, do not trip into the allocator and force instructions to always use %fcc0.
This is to get around the limitation of needing allocatable registers to also be spillable, since, unfortunately, SPARC FCCs only support a very limited set of operations.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135515/new/

https://reviews.llvm.org/D135515

Files:
  llvm/lib/Target/Sparc/SparcISelLowering.cpp
  llvm/lib/Target/Sparc/SparcISelLowering.h
  llvm/lib/Target/Sparc/SparcInstrInfo.td
  llvm/test/CodeGen/SPARC/2011-01-11-CC.ll
  llvm/test/CodeGen/SPARC/64cond.ll

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