diff options
Diffstat (limited to 'lib/Target/Mips/MipsISelDAGToDAG.cpp')
-rw-r--r-- | lib/Target/Mips/MipsISelDAGToDAG.cpp | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/lib/Target/Mips/MipsISelDAGToDAG.cpp b/lib/Target/Mips/MipsISelDAGToDAG.cpp index ceff6dd9b9..fceb63a1bc 100644 --- a/lib/Target/Mips/MipsISelDAGToDAG.cpp +++ b/lib/Target/Mips/MipsISelDAGToDAG.cpp @@ -372,14 +372,16 @@ MipsDAGToDAGISel::SelectMULT(SDNode *N, unsigned Opc, DebugLoc dl, EVT Ty, SDValue InFlag = SDValue(Mul, 0); if (HasLo) { - Lo = CurDAG->getMachineNode(Ty == MVT::i32 ? Mips::MFLO : Mips::MFLO64, dl, - Ty, MVT::Glue, InFlag); + unsigned Opcode = Subtarget.inMips16Mode() ? Mips::Mflo16 : + (Ty == MVT::i32 ? Mips::MFLO : Mips::MFLO64); + Lo = CurDAG->getMachineNode(Opcode, dl, Ty, MVT::Glue, InFlag); InFlag = SDValue(Lo, 1); } - if (HasHi) - Hi = CurDAG->getMachineNode(Ty == MVT::i32 ? Mips::MFHI : Mips::MFHI64, dl, - Ty, InFlag); - + if (HasHi) { + unsigned Opcode = Subtarget.inMips16Mode() ? Mips::Mfhi16 : + (Ty == MVT::i32 ? Mips::MFHI : Mips::MFHI64); + Hi = CurDAG->getMachineNode(Opcode, dl, Ty, InFlag); + } return std::make_pair(Lo, Hi); } @@ -443,8 +445,13 @@ SDNode* MipsDAGToDAGISel::Select(SDNode *Node) { /// Mul with two results case ISD::SMUL_LOHI: case ISD::UMUL_LOHI: { - if (NodeTy == MVT::i32) - MultOpc = (Opcode == ISD::UMUL_LOHI ? Mips::MULTu : Mips::MULT); + if (NodeTy == MVT::i32) { + if (Subtarget.inMips16Mode()) + MultOpc = (Opcode == ISD::UMUL_LOHI ? Mips::MultuRxRy16 : + Mips::MultRxRy16); + else + MultOpc = (Opcode == ISD::UMUL_LOHI ? Mips::MULTu : Mips::MULT); + } else MultOpc = (Opcode == ISD::UMUL_LOHI ? Mips::DMULTu : Mips::DMULT); @@ -470,8 +477,13 @@ SDNode* MipsDAGToDAGISel::Select(SDNode *Node) { } case ISD::MULHS: case ISD::MULHU: { - if (NodeTy == MVT::i32) - MultOpc = (Opcode == ISD::MULHU ? Mips::MULTu : Mips::MULT); + if (NodeTy == MVT::i32) { + if (Subtarget.inMips16Mode()) + MultOpc = (Opcode == ISD::MULHU ? + Mips::MultuRxRy16 : Mips::MultRxRy16); + else + MultOpc = (Opcode == ISD::MULHU ? Mips::MULTu : Mips::MULT); + } else MultOpc = (Opcode == ISD::MULHU ? Mips::DMULTu : Mips::DMULT); |