#undef MachineInstr
#undef ARMAsmPrinter
-void ARMInstPrinter::printInst(const MCInst *MI) { printInstruction(MI); }
+static unsigned NextReg(unsigned Reg) {
+ switch (Reg) {
+ default:
+ assert(0 && "Unexpected register enum");
+
+ case ARM::D0:
+ return ARM::D1;
+ case ARM::D1:
+ return ARM::D2;
+ case ARM::D2:
+ return ARM::D3;
+ case ARM::D3:
+ return ARM::D4;
+ case ARM::D4:
+ return ARM::D5;
+ case ARM::D5:
+ return ARM::D6;
+ case ARM::D6:
+ return ARM::D7;
+ case ARM::D7:
+ return ARM::D8;
+ case ARM::D8:
+ return ARM::D9;
+ case ARM::D9:
+ return ARM::D10;
+ case ARM::D10:
+ return ARM::D11;
+ case ARM::D11:
+ return ARM::D12;
+ case ARM::D12:
+ return ARM::D13;
+ case ARM::D13:
+ return ARM::D14;
+ case ARM::D14:
+ return ARM::D15;
+ case ARM::D15:
+ return ARM::D16;
+ case ARM::D16:
+ return ARM::D17;
+ case ARM::D17:
+ return ARM::D18;
+ case ARM::D18:
+ return ARM::D19;
+ case ARM::D19:
+ return ARM::D20;
+ case ARM::D20:
+ return ARM::D21;
+ case ARM::D21:
+ return ARM::D22;
+ case ARM::D22:
+ return ARM::D23;
+ case ARM::D23:
+ return ARM::D24;
+ case ARM::D24:
+ return ARM::D25;
+ case ARM::D25:
+ return ARM::D26;
+ case ARM::D26:
+ return ARM::D27;
+ case ARM::D27:
+ return ARM::D28;
+ case ARM::D28:
+ return ARM::D29;
+ case ARM::D29:
+ return ARM::D30;
+ case ARM::D30:
+ return ARM::D31;
+ }
+}
+
+void ARMInstPrinter::printInst(const MCInst *MI) {
+ // Check for MOVs and print canonical forms, instead.
+ if (MI->getOpcode() == ARM::MOVs) {
+ const MCOperand &Dst = MI->getOperand(0);
+ const MCOperand &MO1 = MI->getOperand(1);
+ const MCOperand &MO2 = MI->getOperand(2);
+ const MCOperand &MO3 = MI->getOperand(3);
+
+ O << '\t' << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO3.getImm()));
+ printSBitModifierOperand(MI, 6);
+ printPredicateOperand(MI, 4);
+
+ O << '\t' << getRegisterName(Dst.getReg())
+ << ", " << getRegisterName(MO1.getReg());
+
+ if (ARM_AM::getSORegShOp(MO3.getImm()) == ARM_AM::rrx)
+ return;
+
+ O << ", ";
+
+ if (MO2.getReg()) {
+ O << getRegisterName(MO2.getReg());
+ assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
+ } else {
+ O << "#" << ARM_AM::getSORegOffset(MO3.getImm());
+ }
+ return;
+ }
+
+ // A8.6.123 PUSH
+ if ((MI->getOpcode() == ARM::STM_UPD || MI->getOpcode() == ARM::t2STM_UPD) &&
+ MI->getOperand(0).getReg() == ARM::SP) {
+ const MCOperand &MO1 = MI->getOperand(2);
+ if (ARM_AM::getAM4SubMode(MO1.getImm()) == ARM_AM::db) {
+ O << '\t' << "push";
+ printPredicateOperand(MI, 3);
+ O << '\t';
+ printRegisterList(MI, 5);
+ return;
+ }
+ }
+
+ // A8.6.122 POP
+ if ((MI->getOpcode() == ARM::LDM_UPD || MI->getOpcode() == ARM::t2LDM_UPD) &&
+ MI->getOperand(0).getReg() == ARM::SP) {
+ const MCOperand &MO1 = MI->getOperand(2);
+ if (ARM_AM::getAM4SubMode(MO1.getImm()) == ARM_AM::ia) {
+ O << '\t' << "pop";
+ printPredicateOperand(MI, 3);
+ O << '\t';
+ printRegisterList(MI, 5);
+ return;
+ }
+ }
+
+ // A8.6.355 VPUSH
+ if ((MI->getOpcode() == ARM::VSTMS_UPD || MI->getOpcode() ==ARM::VSTMD_UPD) &&
+ MI->getOperand(0).getReg() == ARM::SP) {
+ const MCOperand &MO1 = MI->getOperand(2);
+ if (ARM_AM::getAM5SubMode(MO1.getImm()) == ARM_AM::db) {
+ O << '\t' << "vpush";
+ printPredicateOperand(MI, 3);
+ O << '\t';
+ printRegisterList(MI, 5);
+ return;
+ }
+ }
+
+ // A8.6.354 VPOP
+ if ((MI->getOpcode() == ARM::VLDMS_UPD || MI->getOpcode() ==ARM::VLDMD_UPD) &&
+ MI->getOperand(0).getReg() == ARM::SP) {
+ const MCOperand &MO1 = MI->getOperand(2);
+ if (ARM_AM::getAM5SubMode(MO1.getImm()) == ARM_AM::ia) {
+ O << '\t' << "vpop";
+ printPredicateOperand(MI, 3);
+ O << '\t';
+ printRegisterList(MI, 5);
+ return;
+ }
+ }
+
+ printInstruction(MI);
+ }
void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
const char *Modifier) {
if (Op.isReg()) {
unsigned Reg = Op.getReg();
if (Modifier && strcmp(Modifier, "dregpair") == 0) {
+ O << '{' << getRegisterName(Reg) << ", "
+ << getRegisterName(NextReg(Reg)) << '}';
+#if 0
// FIXME: Breaks e.g. ARM/vmul.ll.
assert(0);
/*
O << '{'
<< getRegisterName(DRegLo) << ',' << getRegisterName(DRegHi)
<< '}';*/
+#endif
} else if (Modifier && strcmp(Modifier, "lane") == 0) {
assert(0);
/*
O << getRegisterName(Reg);
}
} else if (Op.isImm()) {
- assert((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported");
+ assert((Modifier && !strcmp(Modifier, "call")) ||
+ ((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported"));
O << '#' << Op.getImm();
} else {
assert((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported");
O << "[" << getRegisterName(MO1.getReg());
if (!MO2.getReg()) {
- if (ARM_AM::getAM2Offset(MO3.getImm())) // Don't print +0.
+ if (ARM_AM::getAM2Offset(MO3.getImm())) // Don't print +0.
O << ", #"
- << (char)ARM_AM::getAM2Op(MO3.getImm())
- << ARM_AM::getAM2Offset(MO3.getImm());
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()))
+ << ARM_AM::getAM2Offset(MO3.getImm());
O << "]";
return;
}
O << ", "
- << (char)ARM_AM::getAM2Op(MO3.getImm())
- << getRegisterName(MO2.getReg());
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()))
+ << getRegisterName(MO2.getReg());
if (unsigned ShImm = ARM_AM::getAM2Offset(MO3.getImm()))
O << ", "
if (!MO1.getReg()) {
unsigned ImmOffs = ARM_AM::getAM2Offset(MO2.getImm());
assert(ImmOffs && "Malformed indexed load / store!");
- O << '#' << (char)ARM_AM::getAM2Op(MO2.getImm()) << ImmOffs;
+ O << '#'
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm()))
+ << ImmOffs;
return;
}
- O << (char)ARM_AM::getAM2Op(MO2.getImm()) << getRegisterName(MO1.getReg());
+ O << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm()))
+ << getRegisterName(MO1.getReg());
if (unsigned ShImm = ARM_AM::getAM2Offset(MO2.getImm()))
O << ", "
if (unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm()))
O << ", #"
- << (char)ARM_AM::getAM3Op(MO3.getImm())
- << ImmOffs;
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO3.getImm()))
+ << ImmOffs;
O << ']';
}
unsigned ImmOffs = ARM_AM::getAM3Offset(MO2.getImm());
assert(ImmOffs && "Malformed indexed load / store!");
- O << "#"
- << (char)ARM_AM::getAM3Op(MO2.getImm())
- << ImmOffs;
+ O << '#'
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm()))
+ << ImmOffs;
}
void ARMInstPrinter::printAddrMode4Operand(const MCInst *MI, unsigned OpNum,
const char *Modifier) {
- const MCOperand &MO1 = MI->getOperand(OpNum);
const MCOperand &MO2 = MI->getOperand(OpNum+1);
ARM_AM::AMSubMode Mode = ARM_AM::getAM4SubMode(MO2.getImm());
if (Modifier && strcmp(Modifier, "submode") == 0) {
O << ".w";
} else {
printOperand(MI, OpNum);
- if (ARM_AM::getAM4WBFlag(MO2.getImm()))
- O << "!";
}
}
} else if (Modifier && strcmp(Modifier, "base") == 0) {
// Used for FSTM{D|S} and LSTM{D|S} operations.
O << getRegisterName(MO1.getReg());
- if (ARM_AM::getAM5WBFlag(MO2.getImm()))
- O << "!";
return;
}
if (unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm())) {
O << ", #"
- << (char)ARM_AM::getAM5Op(MO2.getImm())
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM5Op(MO2.getImm()))
<< ImmOffs*4;
}
O << "]";
void ARMInstPrinter::printRegisterList(const MCInst *MI, unsigned OpNum) {
O << "{";
- // Always skip the first operand, it's the optional (and implicit writeback).
- for (unsigned i = OpNum+1, e = MI->getNumOperands(); i != e; ++i) {
- if (i != OpNum+1) O << ", ";
+ for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
+ if (i != OpNum) O << ", ";
O << getRegisterName(MI->getOperand(i).getReg());
}
O << "}";
}
+void ARMInstPrinter::printCPSOptionOperand(const MCInst *MI, unsigned OpNum) {
+ const MCOperand &Op = MI->getOperand(OpNum);
+ unsigned option = Op.getImm();
+ unsigned mode = option & 31;
+ bool changemode = option >> 5 & 1;
+ unsigned AIF = option >> 6 & 7;
+ unsigned imod = option >> 9 & 3;
+ if (imod == 2)
+ O << "ie";
+ else if (imod == 3)
+ O << "id";
+ O << '\t';
+ if (imod > 1) {
+ if (AIF & 4) O << 'a';
+ if (AIF & 2) O << 'i';
+ if (AIF & 1) O << 'f';
+ if (AIF > 0 && changemode) O << ", ";
+ }
+ if (changemode)
+ O << '#' << mode;
+}
+
+void ARMInstPrinter::printMSRMaskOperand(const MCInst *MI, unsigned OpNum) {
+ const MCOperand &Op = MI->getOperand(OpNum);
+ unsigned Mask = Op.getImm();
+ if (Mask) {
+ O << '_';
+ if (Mask & 8) O << 'f';
+ if (Mask & 4) O << 's';
+ if (Mask & 2) O << 'x';
+ if (Mask & 1) O << 'c';
+ }
+}
+
+void ARMInstPrinter::printNegZeroOperand(const MCInst *MI, unsigned OpNum){
+ const MCOperand &Op = MI->getOperand(OpNum);
+ O << '#';
+ if (Op.getImm() < 0)
+ O << '-' << (-Op.getImm() - 1);
+ else
+ O << Op.getImm();
+}
+
void ARMInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNum) {
ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
if (CC != ARMCC::AL)
void ARMInstPrinter::printThumbS4ImmOperand(const MCInst *MI, unsigned OpNum) {
O << "#" << MI->getOperand(OpNum).getImm() * 4;
}
+
+void ARMInstPrinter::printThumbITMask(const MCInst *MI, unsigned OpNum) {
+ // (3 - the number of trailing zeros) is the number of then / else.
+ unsigned Mask = MI->getOperand(OpNum).getImm();
+ unsigned CondBit0 = Mask >> 4 & 1;
+ unsigned NumTZ = CountTrailingZeros_32(Mask);
+ assert(NumTZ <= 3 && "Invalid IT mask!");
+ for (unsigned Pos = 3, e = NumTZ; Pos > e; --Pos) {
+ bool T = ((Mask >> Pos) & 1) == CondBit0;
+ if (T)
+ O << 't';
+ else
+ O << 'e';
+ }
+}
+
+void ARMInstPrinter::printThumbAddrModeRROperand(const MCInst *MI, unsigned Op)
+{
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ O << "[" << getRegisterName(MO1.getReg());
+ O << ", " << getRegisterName(MO2.getReg()) << "]";
+}
+
+void ARMInstPrinter::printThumbAddrModeRI5Operand(const MCInst *MI, unsigned Op,
+ unsigned Scale) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ const MCOperand &MO3 = MI->getOperand(Op+2);
+
+ if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
+ printOperand(MI, Op);
+ return;
+ }
+
+ O << "[" << getRegisterName(MO1.getReg());
+ if (MO3.getReg())
+ O << ", " << getRegisterName(MO3.getReg());
+ else if (unsigned ImmOffs = MO2.getImm())
+ O << ", #" << ImmOffs * Scale;
+ O << "]";
+}
+
+void ARMInstPrinter::printThumbAddrModeS1Operand(const MCInst *MI, unsigned Op)
+{
+ printThumbAddrModeRI5Operand(MI, Op, 1);
+}
+
+void ARMInstPrinter::printThumbAddrModeS2Operand(const MCInst *MI, unsigned Op)
+{
+ printThumbAddrModeRI5Operand(MI, Op, 2);
+}
+
+void ARMInstPrinter::printThumbAddrModeS4Operand(const MCInst *MI, unsigned Op)
+{
+ printThumbAddrModeRI5Operand(MI, Op, 4);
+}
+
+void ARMInstPrinter::printThumbAddrModeSPOperand(const MCInst *MI,unsigned Op) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ O << "[" << getRegisterName(MO1.getReg());
+ if (unsigned ImmOffs = MO2.getImm())
+ O << ", #" << ImmOffs*4;
+ O << "]";
+}
+
+void ARMInstPrinter::printTBAddrMode(const MCInst *MI, unsigned OpNum) {
+ O << "[pc, " << getRegisterName(MI->getOperand(OpNum).getReg());
+ if (MI->getOpcode() == ARM::t2TBH)
+ O << ", lsl #1";
+ O << ']';
+}
+
+// Constant shifts t2_so_reg is a 2-operand unit corresponding to the Thumb2
+// register with shift forms.
+// REG 0 0 - e.g. R5
+// REG IMM, SH_OPC - e.g. R5, LSL #3
+void ARMInstPrinter::printT2SOOperand(const MCInst *MI, unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ unsigned Reg = MO1.getReg();
+ O << getRegisterName(Reg);
+
+ // Print the shift opc.
+ O << ", "
+ << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()))
+ << " ";
+
+ assert(MO2.isImm() && "Not a valid t2_so_reg value!");
+ O << "#" << ARM_AM::getSORegOffset(MO2.getImm());
+}
+
+void ARMInstPrinter::printT2AddrModeImm12Operand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << getRegisterName(MO1.getReg());
+
+ unsigned OffImm = MO2.getImm();
+ if (OffImm) // Don't print +0.
+ O << ", #" << OffImm;
+ O << "]";
+}
+
+void ARMInstPrinter::printT2AddrModeImm8Operand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << getRegisterName(MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm();
+ // Don't print +0.
+ if (OffImm < 0)
+ O << ", #-" << -OffImm;
+ else if (OffImm > 0)
+ O << ", #" << OffImm;
+ O << "]";
+}
+
+void ARMInstPrinter::printT2AddrModeImm8s4Operand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << getRegisterName(MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm() / 4;
+ // Don't print +0.
+ if (OffImm < 0)
+ O << ", #-" << -OffImm * 4;
+ else if (OffImm > 0)
+ O << ", #" << OffImm * 4;
+ O << "]";
+}
+
+void ARMInstPrinter::printT2AddrModeImm8OffsetOperand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ int32_t OffImm = (int32_t)MO1.getImm();
+ // Don't print +0.
+ if (OffImm < 0)
+ O << "#-" << -OffImm;
+ else if (OffImm > 0)
+ O << "#" << OffImm;
+}
+
+void ARMInstPrinter::printT2AddrModeImm8s4OffsetOperand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ int32_t OffImm = (int32_t)MO1.getImm() / 4;
+ // Don't print +0.
+ if (OffImm < 0)
+ O << "#-" << -OffImm * 4;
+ else if (OffImm > 0)
+ O << "#" << OffImm * 4;
+}
+
+void ARMInstPrinter::printT2AddrModeSoRegOperand(const MCInst *MI,
+ unsigned OpNum) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+ const MCOperand &MO3 = MI->getOperand(OpNum+2);
+
+ O << "[" << getRegisterName(MO1.getReg());
+
+ assert(MO2.getReg() && "Invalid so_reg load / store address!");
+ O << ", " << getRegisterName(MO2.getReg());
+
+ unsigned ShAmt = MO3.getImm();
+ if (ShAmt) {
+ assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
+ O << ", lsl #" << ShAmt;
+ }
+ O << "]";
+}
+
+void ARMInstPrinter::printVFPf32ImmOperand(const MCInst *MI, unsigned OpNum) {
+ O << '#' << MI->getOperand(OpNum).getImm();
+}
+
+void ARMInstPrinter::printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum) {
+ O << '#' << MI->getOperand(OpNum).getImm();
+}
+
projects / oota-llvm.git / blobdiff