diff options
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp index 33512c1e393..7b9a312a114 100644 --- a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp +++ b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp @@ -2910,7 +2910,9 @@ void PPC32ISel::emitShiftOperation(MachineBasicBlock *MBB, return; unsigned SrcReg = getReg (Op, MBB, IP); - if (isLeftShift) { + if (Amount == 0) { + BuildMI(*MBB, IP, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg); + } else if (isLeftShift) { BuildMI(*MBB, IP, PPC::RLWINM, 4, DestReg).addReg(SrcReg) .addImm(Amount).addImm(0).addImm(31-Amount); } else { |
