1 files changed, 0 insertions, 68 deletions
diff --git a/lib/Target/Mips/MipsMCInstLower.cpp b/lib/Target/Mips/MipsMCInstLower.cpp
index 674bce30a5..5fa6339338 100644
--- a/lib/Target/Mips/MipsMCInstLower.cpp
+++ b/lib/Target/Mips/MipsMCInstLower.cpp
@@ -160,71 +160,3 @@ void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
   }
 }
 
-// If the D<shift> instruction has a shift amount that is greater
-// than 31 (checked in calling routine), lower it to a D<shift>32 instruction
-void MipsMCInstLower::LowerLargeShift(const MachineInstr *MI,
-                                      MCInst& Inst,
-                                      int64_t Shift) {
-  // rt
-  Inst.addOperand(LowerOperand(MI->getOperand(0)));
-  // rd
-  Inst.addOperand(LowerOperand(MI->getOperand(1)));
-  // saminus32
-  Inst.addOperand(MCOperand::CreateImm(Shift));
-
-  switch (MI->getOpcode()) {
-  default:
-    // Calling function is not synchronized
-    llvm_unreachable("Unexpected shift instruction");
-    break;
-  case Mips::DSLL:
-    Inst.setOpcode(Mips::DSLL32);
-    break;
-  case Mips::DSRL:
-    Inst.setOpcode(Mips::DSRL32);
-    break;
-  case Mips::DSRA:
-    Inst.setOpcode(Mips::DSRA32);
-    break;
-  }
-}
-
-// Pick a DEXT or DINS instruction variant based on the pos and size operands
-void MipsMCInstLower::LowerDextDins(const MachineInstr *MI,  MCInst& Inst) {
-  int Opcode = MI->getOpcode();
-
-  if (Opcode == Mips::DEXT)
-    assert(MI->getNumOperands() == 4 &&
-           "Invalid no. of machine operands for DEXT!");
-  else // Only DEXT and DINS are possible
-    assert(MI->getNumOperands() == 5 &&
-           "Invalid no. of machine operands for DINS!");
-
-  assert(MI->getOperand(2).isImm());
-  int64_t pos = MI->getOperand(2).getImm();
-  assert(MI->getOperand(3).isImm());
-  int64_t size = MI->getOperand(3).getImm();
-
-  // rt
-  Inst.addOperand(LowerOperand(MI->getOperand(0)));
-  // rs
-  Inst.addOperand(LowerOperand(MI->getOperand(1)));
-
-  if (size <= 32) {
-    if ((pos < 32)) { // DEXT/DINS
-      Inst.addOperand(MCOperand::CreateImm(pos));
-      Inst.addOperand(MCOperand::CreateImm(size));
-      Inst.setOpcode(Opcode);
-    } else { // DEXTU/DINSU
-      Inst.addOperand(MCOperand::CreateImm(pos - 32));
-      Inst.addOperand(MCOperand::CreateImm(size));
-      Inst.setOpcode((Opcode == Mips::DEXT) ? Mips::DEXTU : Mips::DINSU);
-    }
-  } else { // DEXTM/DINSM
-    assert(pos < 32 && "DEXT/DINS cannot have both size and pos > 32");
-    Inst.addOperand(MCOperand::CreateImm(pos));
-    Inst.addOperand(MCOperand::CreateImm(size - 32));
-    Inst.setOpcode(Mips::DEXTM);
-    Inst.setOpcode((Opcode == Mips::DEXT) ? Mips::DEXTM : Mips::DINSM);
-  }
-}