// MCInst records.
//
//===----------------------------------------------------------------------===//
-
#include "MipsMCInstLower.h"
+#include "MCTargetDesc/MipsBaseInfo.h"
#include "MipsAsmPrinter.h"
#include "MipsInstrInfo.h"
-#include "MCTargetDesc/MipsBaseInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineOperand.h"
case MipsII::MO_GOT_OFST: Kind = MCSymbolRefExpr::VK_Mips_GOT_OFST; break;
case MipsII::MO_HIGHER: Kind = MCSymbolRefExpr::VK_Mips_HIGHER; break;
case MipsII::MO_HIGHEST: Kind = MCSymbolRefExpr::VK_Mips_HIGHEST; break;
+ case MipsII::MO_GOT_HI16: Kind = MCSymbolRefExpr::VK_Mips_GOT_HI16; break;
+ case MipsII::MO_GOT_LO16: Kind = MCSymbolRefExpr::VK_Mips_GOT_LO16; break;
+ case MipsII::MO_CALL_HI16: Kind = MCSymbolRefExpr::VK_Mips_CALL_HI16; break;
+ case MipsII::MO_CALL_LO16: Kind = MCSymbolRefExpr::VK_Mips_CALL_LO16; break;
}
switch (MOTy) {
}
}
-// 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 instruction variant based on the pos and size operands
-void MipsMCInstLower::LowerDEXT(const MachineInstr *MI, MCInst& Inst) {
-
- assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands for DEXT!");
- 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)));
-
- // DEXT
- if ((pos < 32) && (size <= 32)) {
- Inst.addOperand(MCOperand::CreateImm(pos));
- Inst.addOperand(MCOperand::CreateImm(size));
- Inst.setOpcode(Mips::DEXT);
- }
- // DEXTU
- else if ((pos < 64) && (size <= 32)) {
- Inst.addOperand(MCOperand::CreateImm(pos - 32));
- Inst.addOperand(MCOperand::CreateImm(size));
- Inst.setOpcode(Mips::DEXTU);
- }
- // DEXTM
- else {
- Inst.addOperand(MCOperand::CreateImm(pos));
- Inst.addOperand(MCOperand::CreateImm(size - 32));
- Inst.setOpcode(Mips::DEXTM);
- }
- return;
-}