[PATCH] D16353: [mips] MIPS32R6 compact branch support

[Simon Dardis via llvm-commits]

sdardis retitled this revision from "[mips] MIPSR6 compact branch support" to "[mips] MIPS32R6 compact branch support".
sdardis updated the summary for this revision.
sdardis updated this revision to Diff 45959.
sdardis marked 8 inline comments as done.
sdardis added a comment.

Addressed outstanding comments except for the one regarding Filler::clearFSHazards. See my comment there.

Added a FIXME to MipsISelLowering.cpp: MipsTargetLowering::emitAtomicBinary on an outstanding code gen issue and to MipsInstrInfo::genInstrWithNewOpc as they're related. Without the checking for Mips::ZERO and MipsABIInfo::GetZeroReg() we get more verbose asm than necessary.

Updated commit text to reflect that its for MIPS32R6 only.


http://reviews.llvm.org/D16353

Files:
  lib/Target/Mips/MipsDelaySlotFiller.cpp
  lib/Target/Mips/MipsISelLowering.cpp
  lib/Target/Mips/MipsInstrInfo.cpp
  lib/Target/Mips/MipsInstrInfo.h
  lib/Target/Mips/MipsSEInstrInfo.cpp
  lib/Target/Mips/MipsSEInstrInfo.h
  test/CodeGen/Mips/analyzebranch.ll
  test/CodeGen/Mips/atomic.ll
  test/CodeGen/Mips/compact-branches.ll
  test/CodeGen/Mips/fcmp.ll
  test/CodeGen/Mips/fpbr.ll

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