#define DEBUG_TYPE "asm-printer"
#include "ARMBaseInfo.h"
#include "ARMInstPrinter.h"
-#include "ARMInstrInfo.h"
#include "ARMAddressingModes.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCAsmInfo.h"
return getInstructionName(Opcode);
}
-StringRef ARMInstPrinter::getRegName(unsigned RegNo) const {
- return getRegisterName(RegNo);
+void ARMInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
+ OS << getRegisterName(RegNo);
}
void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
unsigned Rot = ARM_AM::getSOImmValRot(V);
// Print low-level immediate formation info, per
- // A5.1.3: "Data-processing operands - Immediate".
+ // A5.2.3: Data-processing (immediate), and
+ // A5.2.4: Modified immediate constants in ARM instructions
if (Rot) {
- O << "#" << Imm << ", " << Rot;
+ O << "#" << Imm << ", #" << Rot;
// Pretty printed version.
if (CommentStream)
*CommentStream << (int)ARM_AM::rotr32(Imm, Rot) << "\n";
}
}
+//===--------------------------------------------------------------------===//
+// Addressing Mode #2
+//===--------------------------------------------------------------------===//
+
void ARMInstPrinter::printAM2PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
raw_ostream &O) {
const MCOperand &MO1 = MI->getOperand(Op);
return;
}
- unsigned Opcode = MI->getOpcode();
- const TargetInstrDesc &Desc = TM.getInstrInfo()->get(Opcode);
- uint64_t TSFlags = Desc.TSFlags;
- unsigned IdxMode = (TSFlags & ARMII::IndexModeMask) >> ARMII::IndexModeShift;
+ const MCOperand &MO3 = MI->getOperand(Op+2);
+ unsigned IdxMode = ARM_AM::getAM2IdxMode(MO3.getImm());
if (IdxMode == ARMII::IndexModePost) {
printAM2PostIndexOp(MI, Op, O);
<< " #" << ShImm;
}
-void ARMInstPrinter::printAddrMode3Operand(const MCInst *MI, unsigned OpNum,
- raw_ostream &O) {
- const MCOperand &MO1 = MI->getOperand(OpNum);
- const MCOperand &MO2 = MI->getOperand(OpNum+1);
- const MCOperand &MO3 = MI->getOperand(OpNum+2);
+//===--------------------------------------------------------------------===//
+// Addressing Mode #3
+//===--------------------------------------------------------------------===//
+
+void ARMInstPrinter::printAM3PostIndexOp(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ const MCOperand &MO3 = MI->getOperand(Op+2);
+
+ O << "[" << getRegisterName(MO1.getReg()) << "], ";
+
+ if (MO2.getReg()) {
+ O << (char)ARM_AM::getAM3Op(MO3.getImm())
+ << getRegisterName(MO2.getReg());
+ return;
+ }
+
+ unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm());
+ O << '#'
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO3.getImm()))
+ << ImmOffs;
+}
+
+void ARMInstPrinter::printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ const MCOperand &MO3 = MI->getOperand(Op+2);
O << '[' << getRegisterName(MO1.getReg());
O << ']';
}
+void ARMInstPrinter::printAddrMode3Operand(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &MO3 = MI->getOperand(Op+2);
+ unsigned IdxMode = ARM_AM::getAM3IdxMode(MO3.getImm());
+
+ if (IdxMode == ARMII::IndexModePost) {
+ printAM3PostIndexOp(MI, Op, O);
+ return;
+ }
+ printAM3PreOrOffsetIndexOp(MI, Op, O);
+}
+
void ARMInstPrinter::printAddrMode3OffsetOperand(const MCInst *MI,
unsigned OpNum,
raw_ostream &O) {