//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "mips-asm-printer"
-#include "MipsAsmPrinter.h"
#include "Mips.h"
+#include "MipsAsmPrinter.h"
#include "MipsInstrInfo.h"
+#include "MipsMCInstLower.h"
#include "InstPrinter/MipsInstPrinter.h"
#include "MCTargetDesc/MipsBaseInfo.h"
-#include "llvm/BasicBlock.h"
-#include "llvm/DebugInfo.h"
-#include "llvm/Instructions.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/BasicBlock.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/InlineAsm.h"
#include "llvm/Instructions.h"
-#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
return;
}
+ // Direct object specific instruction lowering
+ if (!OutStreamer.hasRawTextSupport())
+ switch (MI->getOpcode()) {
+ case Mips::DSLL:
+ case Mips::DSRL:
+ case Mips::DSRA:
+ assert(MI->getNumOperands() == 3 &&
+ "Invalid no. of machine operands for shift!");
+ assert(MI->getOperand(2).isImm());
+ int64_t Shift = MI->getOperand(2).getImm();
+ if (Shift > 31) {
+ MCInst TmpInst0;
+ MCInstLowering.LowerLargeShift(MI, TmpInst0, Shift - 32);
+ OutStreamer.EmitInstruction(TmpInst0);
+ return;
+ }
+ break;
+ }
+
MachineBasicBlock::const_instr_iterator I = MI;
MachineBasicBlock::const_instr_iterator E = MI->getParent()->instr_end();
return true;
O << MO.getImm() - 1;
return false;
+ case 'z': {
+ // $0 if zero, regular printing otherwise
+ if (MO.getType() != MachineOperand::MO_Immediate)
+ return true;
+ int64_t Val = MO.getImm();
+ if (Val)
+ O << Val;
+ else
+ O << "$0";
+ return false;
+ }
+ case 'D': // Second part of a double word register operand
+ case 'L': // Low order register of a double word register operand
+ case 'M': // High order register of a double word register operand
+ {
+ if (OpNum == 0)
+ return true;
+ const MachineOperand &FlagsOP = MI->getOperand(OpNum - 1);
+ if (!FlagsOP.isImm())
+ return true;
+ unsigned Flags = FlagsOP.getImm();
+ unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags);
+ // Number of registers represented by this operand. We are looking
+ // for 2 for 32 bit mode and 1 for 64 bit mode.
+ if (NumVals != 2) {
+ if (Subtarget->isGP64bit() && NumVals == 1 && MO.isReg()) {
+ unsigned Reg = MO.getReg();
+ O << '$' << MipsInstPrinter::getRegisterName(Reg);
+ return false;
+ }
+ return true;
+ }
+
+ 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 << '$' << MipsInstPrinter::getRegisterName(Reg);
+ return false;
+ }
+ }
}
}
const char *ExtraCode,
raw_ostream &O) {
if (ExtraCode && ExtraCode[0])
- return true; // Unknown modifier.
+ return true; // Unknown modifier.
const MachineOperand &MO = MI->getOperand(OpNum);
assert(MO.isReg() && "unexpected inline asm memory operand");
O << "0($" << MipsInstPrinter::getRegisterName(MO.getReg()) << ")";
+
return false;
}