#define DEBUG_TYPE "mips-asm-printer"
#include "MipsAsmPrinter.h"
-#include "Mips.h"
-#include "MipsInstrInfo.h"
#include "InstPrinter/MipsInstPrinter.h"
#include "MCTargetDesc/MipsBaseInfo.h"
+#include "Mips.h"
+#include "MipsInstrInfo.h"
+#include "MipsMCInstLower.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/DataLayout.h"
#include "llvm/InlineAsm.h"
#include "llvm/Instructions.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
return true;
}
+bool MipsAsmPrinter::lowerOperand(const MachineOperand &MO, MCOperand &MCOp) {
+ MCOp = MCInstLowering.LowerOperand(MO);
+ return MCOp.isValid();
+}
+
+#include "MipsGenMCPseudoLowering.inc"
+
void MipsAsmPrinter::EmitInstruction(const MachineInstr *MI) {
if (MI->isDebugValue()) {
SmallString<128> Str;
return;
}
+ // Do any auto-generated pseudo lowerings.
+ if (emitPseudoExpansionLowering(OutStreamer, MI))
+ return;
+
MachineBasicBlock::const_instr_iterator I = MI;
MachineBasicBlock::const_instr_iterator E = MI->getParent()->instr_end();
do {
MCInst TmpInst0;
MCInstLowering.Lower(I++, TmpInst0);
+
OutStreamer.EmitInstruction(TmpInst0);
- } while ((I != E) && I->isInsideBundle());
+ } while ((I != E) && I->isInsideBundle()); // Delay slot check
}
//===----------------------------------------------------------------------===//
if (Mips::CPURegsRegClass.contains(Reg))
break;
- unsigned RegNum = getMipsRegisterNumbering(Reg);
+ unsigned RegNum = TM.getRegisterInfo()->getEncodingValue(Reg);
if (Mips::AFGR64RegClass.contains(Reg)) {
FPUBitmask |= (3 << RegNum);
CSFPRegsSize += AFGR64RegSize;
// Set CPU Bitmask.
for (; i != e; ++i) {
unsigned Reg = CSI[i].getReg();
- unsigned RegNum = getMipsRegisterNumbering(Reg);
+ unsigned RegNum = TM.getRegisterInfo()->getEncodingValue(Reg);
CPUBitmask |= (1 << RegNum);
}
case MipsSubtarget::N32: return "abiN32";
case MipsSubtarget::N64: return "abi64";
case MipsSubtarget::EABI: return "eabi32"; // TODO: handle eabi64
- default: llvm_unreachable("Unknown Mips ABI");;
+ default: llvm_unreachable("Unknown Mips ABI");
}
}
OutStreamer.EmitRawText(StringRef("\t.set\tnoreorder"));
OutStreamer.EmitRawText(StringRef("\t.set\tnomacro"));
- if (MipsFI->getEmitNOAT())
- OutStreamer.EmitRawText(StringRef("\t.set\tnoat"));
+ OutStreamer.EmitRawText(StringRef("\t.set\tnoat"));
}
}
// always be at the function end, and we can't emit and
// break with BB logic.
if (OutStreamer.hasRawTextSupport()) {
- if (MipsFI->getEmitNOAT())
- OutStreamer.EmitRawText(StringRef("\t.set\tat"));
-
+ OutStreamer.EmitRawText(StringRef("\t.set\tat"));
OutStreamer.EmitRawText(StringRef("\t.set\tmacro"));
OutStreamer.EmitRawText(StringRef("\t.set\treorder"));
OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName()));
O << "$0";
return false;
}
- case 'D': {
- // Second part of a double word register operand
+ case 'D': // Second part of a double word register operand
+ case 'L': // Low order register of a double word register operand
+ case 'M': // High order register of a double word register operand
+ {
if (OpNum == 0)
return true;
const MachineOperand &FlagsOP = MI->getOperand(OpNum - 1);
}
return true;
}
- unsigned RegOp;
- switch(ExtraCode[0]) {
- case 'D':
- RegOp = (!Subtarget->isGP32bit()) ? OpNum : OpNum + 1;
- break;
+
+ unsigned RegOp = OpNum;
+ if (!Subtarget->isGP64bit()){
+ // Endianess reverses which register holds the high or low value
+ // between M and L.
+ switch(ExtraCode[0]) {
+ case 'M':
+ RegOp = (Subtarget->isLittle()) ? OpNum + 1 : OpNum;
+ break;
+ case 'L':
+ RegOp = (Subtarget->isLittle()) ? OpNum : OpNum + 1;
+ break;
+ case 'D': // Always the second part
+ RegOp = OpNum + 1;
+ }
+ if (RegOp >= MI->getNumOperands())
+ return true;
+ const MachineOperand &MO = MI->getOperand(RegOp);
+ if (!MO.isReg())
+ return true;
+ unsigned Reg = MO.getReg();
+ O << '$' << MipsInstPrinter::getRegisterName(Reg);
+ return false;
}
- if (RegOp >= MI->getNumOperands())
- return true;
- const MachineOperand &MO = MI->getOperand(RegOp);
- if (!MO.isReg())
- return true;
- unsigned Reg = MO.getReg();
- O << '$' << MipsInstPrinter::getRegisterName(Reg);
- return false;
}
}
}