diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index 1395a4b4099..cf8b858c6a7 100644 --- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -4041,8 +4041,9 @@ static bool PeepholePPC64ZExtGather(SDValue Op32, return true; } - // CNTLZW always produces a 64-bit value in [0,32], and so is zero extended. - if (Op32.getMachineOpcode() == PPC::CNTLZW) { + // CNT[LT]ZW always produce a 64-bit value in [0,32], and so is zero extended. + if (Op32.getMachineOpcode() == PPC::CNTLZW || + Op32.getMachineOpcode() == PPC::CNTTZW) { ToPromote.insert(Op32.getNode()); return true; } @@ -4237,6 +4238,7 @@ void PPCDAGToDAGISel::PeepholePPC64ZExt() { case PPC::LHBRX: NewOpcode = PPC::LHBRX8; break; case PPC::LWBRX: NewOpcode = PPC::LWBRX8; break; case PPC::CNTLZW: NewOpcode = PPC::CNTLZW8; break; + case PPC::CNTTZW: NewOpcode = PPC::CNTTZW8; break; case PPC::RLWIMI: NewOpcode = PPC::RLWIMI8; break; case PPC::OR: NewOpcode = PPC::OR8; break; case PPC::SELECT_I4: NewOpcode = PPC::SELECT_I8; break; |
