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-rw-r--r--contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp1647
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diff --git a/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
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+++ b/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
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+//===-- ARMInstPrinter.cpp - Convert ARM MCInst to assembly syntax --------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class prints an ARM MCInst to a .s file.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ARMInstPrinter.h"
+#include "MCTargetDesc/ARMAddressingModes.h"
+#include "MCTargetDesc/ARMBaseInfo.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+#define DEBUG_TYPE "asm-printer"
+
+#include "ARMGenAsmWriter.inc"
+
+/// translateShiftImm - Convert shift immediate from 0-31 to 1-32 for printing.
+///
+/// getSORegOffset returns an integer from 0-31, representing '32' as 0.
+static unsigned translateShiftImm(unsigned imm) {
+ // lsr #32 and asr #32 exist, but should be encoded as a 0.
+ assert((imm & ~0x1f) == 0 && "Invalid shift encoding");
+
+ if (imm == 0)
+ return 32;
+ return imm;
+}
+
+/// Prints the shift value with an immediate value.
+static void printRegImmShift(raw_ostream &O, ARM_AM::ShiftOpc ShOpc,
+ unsigned ShImm, bool UseMarkup) {
+ if (ShOpc == ARM_AM::no_shift || (ShOpc == ARM_AM::lsl && !ShImm))
+ return;
+ O << ", ";
+
+ assert(!(ShOpc == ARM_AM::ror && !ShImm) && "Cannot have ror #0");
+ O << getShiftOpcStr(ShOpc);
+
+ if (ShOpc != ARM_AM::rrx) {
+ O << " ";
+ if (UseMarkup)
+ O << "<imm:";
+ O << "#" << translateShiftImm(ShImm);
+ if (UseMarkup)
+ O << ">";
+ }
+}
+
+ARMInstPrinter::ARMInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
+ const MCRegisterInfo &MRI)
+ : MCInstPrinter(MAI, MII, MRI) {}
+
+void ARMInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
+ OS << markup("<reg:") << getRegisterName(RegNo) << markup(">");
+}
+
+void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
+ StringRef Annot, const MCSubtargetInfo &STI) {
+ unsigned Opcode = MI->getOpcode();
+
+ switch (Opcode) {
+
+ // Check for HINT instructions w/ canonical names.
+ case ARM::HINT:
+ case ARM::tHINT:
+ case ARM::t2HINT:
+ switch (MI->getOperand(0).getImm()) {
+ case 0:
+ O << "\tnop";
+ break;
+ case 1:
+ O << "\tyield";
+ break;
+ case 2:
+ O << "\twfe";
+ break;
+ case 3:
+ O << "\twfi";
+ break;
+ case 4:
+ O << "\tsev";
+ break;
+ case 5:
+ if (STI.getFeatureBits()[ARM::HasV8Ops]) {
+ O << "\tsevl";
+ break;
+ } // Fallthrough for non-v8
+ default:
+ // Anything else should just print normally.
+ printInstruction(MI, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ }
+ printPredicateOperand(MI, 1, STI, O);
+ if (Opcode == ARM::t2HINT)
+ O << ".w";
+ printAnnotation(O, Annot);
+ return;
+
+ // Check for MOVs and print canonical forms, instead.
+ case ARM::MOVsr: {
+ // FIXME: Thumb variants?
+ 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, STI, O);
+ printPredicateOperand(MI, 4, STI, O);
+
+ O << '\t';
+ printRegName(O, Dst.getReg());
+ O << ", ";
+ printRegName(O, MO1.getReg());
+
+ O << ", ";
+ printRegName(O, MO2.getReg());
+ assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
+ printAnnotation(O, Annot);
+ return;
+ }
+
+ case ARM::MOVsi: {
+ // FIXME: Thumb variants?
+ const MCOperand &Dst = MI->getOperand(0);
+ const MCOperand &MO1 = MI->getOperand(1);
+ const MCOperand &MO2 = MI->getOperand(2);
+
+ O << '\t' << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()));
+ printSBitModifierOperand(MI, 5, STI, O);
+ printPredicateOperand(MI, 3, STI, O);
+
+ O << '\t';
+ printRegName(O, Dst.getReg());
+ O << ", ";
+ printRegName(O, MO1.getReg());
+
+ if (ARM_AM::getSORegShOp(MO2.getImm()) == ARM_AM::rrx) {
+ printAnnotation(O, Annot);
+ return;
+ }
+
+ O << ", " << markup("<imm:") << "#"
+ << translateShiftImm(ARM_AM::getSORegOffset(MO2.getImm())) << markup(">");
+ printAnnotation(O, Annot);
+ return;
+ }
+
+ // A8.6.123 PUSH
+ case ARM::STMDB_UPD:
+ case ARM::t2STMDB_UPD:
+ if (MI->getOperand(0).getReg() == ARM::SP && MI->getNumOperands() > 5) {
+ // Should only print PUSH if there are at least two registers in the list.
+ O << '\t' << "push";
+ printPredicateOperand(MI, 2, STI, O);
+ if (Opcode == ARM::t2STMDB_UPD)
+ O << ".w";
+ O << '\t';
+ printRegisterList(MI, 4, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ } else
+ break;
+
+ case ARM::STR_PRE_IMM:
+ if (MI->getOperand(2).getReg() == ARM::SP &&
+ MI->getOperand(3).getImm() == -4) {
+ O << '\t' << "push";
+ printPredicateOperand(MI, 4, STI, O);
+ O << "\t{";
+ printRegName(O, MI->getOperand(1).getReg());
+ O << "}";
+ printAnnotation(O, Annot);
+ return;
+ } else
+ break;
+
+ // A8.6.122 POP
+ case ARM::LDMIA_UPD:
+ case ARM::t2LDMIA_UPD:
+ if (MI->getOperand(0).getReg() == ARM::SP && MI->getNumOperands() > 5) {
+ // Should only print POP if there are at least two registers in the list.
+ O << '\t' << "pop";
+ printPredicateOperand(MI, 2, STI, O);
+ if (Opcode == ARM::t2LDMIA_UPD)
+ O << ".w";
+ O << '\t';
+ printRegisterList(MI, 4, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ } else
+ break;
+
+ case ARM::LDR_POST_IMM:
+ if (MI->getOperand(2).getReg() == ARM::SP &&
+ MI->getOperand(4).getImm() == 4) {
+ O << '\t' << "pop";
+ printPredicateOperand(MI, 5, STI, O);
+ O << "\t{";
+ printRegName(O, MI->getOperand(0).getReg());
+ O << "}";
+ printAnnotation(O, Annot);
+ return;
+ } else
+ break;
+
+ // A8.6.355 VPUSH
+ case ARM::VSTMSDB_UPD:
+ case ARM::VSTMDDB_UPD:
+ if (MI->getOperand(0).getReg() == ARM::SP) {
+ O << '\t' << "vpush";
+ printPredicateOperand(MI, 2, STI, O);
+ O << '\t';
+ printRegisterList(MI, 4, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ } else
+ break;
+
+ // A8.6.354 VPOP
+ case ARM::VLDMSIA_UPD:
+ case ARM::VLDMDIA_UPD:
+ if (MI->getOperand(0).getReg() == ARM::SP) {
+ O << '\t' << "vpop";
+ printPredicateOperand(MI, 2, STI, O);
+ O << '\t';
+ printRegisterList(MI, 4, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ } else
+ break;
+
+ case ARM::tLDMIA: {
+ bool Writeback = true;
+ unsigned BaseReg = MI->getOperand(0).getReg();
+ for (unsigned i = 3; i < MI->getNumOperands(); ++i) {
+ if (MI->getOperand(i).getReg() == BaseReg)
+ Writeback = false;
+ }
+
+ O << "\tldm";
+
+ printPredicateOperand(MI, 1, STI, O);
+ O << '\t';
+ printRegName(O, BaseReg);
+ if (Writeback)
+ O << "!";
+ O << ", ";
+ printRegisterList(MI, 3, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ }
+
+ // Combine 2 GPRs from disassember into a GPRPair to match with instr def.
+ // ldrexd/strexd require even/odd GPR pair. To enforce this constraint,
+ // a single GPRPair reg operand is used in the .td file to replace the two
+ // GPRs. However, when decoding them, the two GRPs cannot be automatically
+ // expressed as a GPRPair, so we have to manually merge them.
+ // FIXME: We would really like to be able to tablegen'erate this.
+ case ARM::LDREXD:
+ case ARM::STREXD:
+ case ARM::LDAEXD:
+ case ARM::STLEXD: {
+ const MCRegisterClass &MRC = MRI.getRegClass(ARM::GPRRegClassID);
+ bool isStore = Opcode == ARM::STREXD || Opcode == ARM::STLEXD;
+ unsigned Reg = MI->getOperand(isStore ? 1 : 0).getReg();
+ if (MRC.contains(Reg)) {
+ MCInst NewMI;
+ MCOperand NewReg;
+ NewMI.setOpcode(Opcode);
+
+ if (isStore)
+ NewMI.addOperand(MI->getOperand(0));
+ NewReg = MCOperand::createReg(MRI.getMatchingSuperReg(
+ Reg, ARM::gsub_0, &MRI.getRegClass(ARM::GPRPairRegClassID)));
+ NewMI.addOperand(NewReg);
+
+ // Copy the rest operands into NewMI.
+ for (unsigned i = isStore ? 3 : 2; i < MI->getNumOperands(); ++i)
+ NewMI.addOperand(MI->getOperand(i));
+ printInstruction(&NewMI, STI, O);
+ return;
+ }
+ break;
+ }
+ // B9.3.3 ERET (Thumb)
+ // For a target that has Virtualization Extensions, ERET is the preferred
+ // disassembly of SUBS PC, LR, #0
+ case ARM::t2SUBS_PC_LR: {
+ if (MI->getNumOperands() == 3 && MI->getOperand(0).isImm() &&
+ MI->getOperand(0).getImm() == 0 &&
+ STI.getFeatureBits()[ARM::FeatureVirtualization]) {
+ O << "\teret";
+ printPredicateOperand(MI, 1, STI, O);
+ printAnnotation(O, Annot);
+ return;
+ }
+ break;
+ }
+ }
+
+ printInstruction(MI, STI, O);
+ printAnnotation(O, Annot);
+}
+
+void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
+ const MCSubtargetInfo &STI, raw_ostream &O) {
+ const MCOperand &Op = MI->getOperand(OpNo);
+ if (Op.isReg()) {
+ unsigned Reg = Op.getReg();
+ printRegName(O, Reg);
+ } else if (Op.isImm()) {
+ O << markup("<imm:") << '#' << formatImm(Op.getImm()) << markup(">");
+ } else {
+ assert(Op.isExpr() && "unknown operand kind in printOperand");
+ const MCExpr *Expr = Op.getExpr();
+ switch (Expr->getKind()) {
+ case MCExpr::Binary:
+ O << '#';
+ Expr->print(O, &MAI);
+ break;
+ case MCExpr::Constant: {
+ // If a symbolic branch target was added as a constant expression then
+ // print that address in hex. And only print 32 unsigned bits for the
+ // address.
+ const MCConstantExpr *Constant = cast<MCConstantExpr>(Expr);
+ int64_t TargetAddress;
+ if (!Constant->evaluateAsAbsolute(TargetAddress)) {
+ O << '#';
+ Expr->print(O, &MAI);
+ } else {
+ O << "0x";
+ O.write_hex(static_cast<uint32_t>(TargetAddress));
+ }
+ break;
+ }
+ default:
+ // FIXME: Should we always treat this as if it is a constant literal and
+ // prefix it with '#'?
+ Expr->print(O, &MAI);
+ break;
+ }
+ }
+}
+
+void ARMInstPrinter::printThumbLdrLabelOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ if (MO1.isExpr()) {
+ MO1.getExpr()->print(O, &MAI);
+ return;
+ }
+
+ O << markup("<mem:") << "[pc, ";
+
+ int32_t OffImm = (int32_t)MO1.getImm();
+ bool isSub = OffImm < 0;
+
+ // Special value for #-0. All others are normal.
+ if (OffImm == INT32_MIN)
+ OffImm = 0;
+ if (isSub) {
+ O << markup("<imm:") << "#-" << formatImm(-OffImm) << markup(">");
+ } else {
+ O << markup("<imm:") << "#" << formatImm(OffImm) << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+// so_reg is a 4-operand unit corresponding to register forms of the A5.1
+// "Addressing Mode 1 - Data-processing operands" forms. This includes:
+// REG 0 0 - e.g. R5
+// REG REG 0,SH_OPC - e.g. R5, ROR R3
+// REG 0 IMM,SH_OPC - e.g. R5, LSL #3
+void ARMInstPrinter::printSORegRegOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+ const MCOperand &MO3 = MI->getOperand(OpNum + 2);
+
+ printRegName(O, MO1.getReg());
+
+ // Print the shift opc.
+ ARM_AM::ShiftOpc ShOpc = ARM_AM::getSORegShOp(MO3.getImm());
+ O << ", " << ARM_AM::getShiftOpcStr(ShOpc);
+ if (ShOpc == ARM_AM::rrx)
+ return;
+
+ O << ' ';
+ printRegName(O, MO2.getReg());
+ assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
+}
+
+void ARMInstPrinter::printSORegImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ printRegName(O, MO1.getReg());
+
+ // Print the shift opc.
+ printRegImmShift(O, ARM_AM::getSORegShOp(MO2.getImm()),
+ ARM_AM::getSORegOffset(MO2.getImm()), UseMarkup);
+}
+
+//===--------------------------------------------------------------------===//
+// Addressing Mode #2
+//===--------------------------------------------------------------------===//
+
+void ARMInstPrinter::printAM2PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op + 1);
+ const MCOperand &MO3 = MI->getOperand(Op + 2);
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+
+ if (!MO2.getReg()) {
+ if (ARM_AM::getAM2Offset(MO3.getImm())) { // Don't print +0.
+ O << ", " << markup("<imm:") << "#"
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()))
+ << ARM_AM::getAM2Offset(MO3.getImm()) << markup(">");
+ }
+ O << "]" << markup(">");
+ return;
+ }
+
+ O << ", ";
+ O << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()));
+ printRegName(O, MO2.getReg());
+
+ printRegImmShift(O, ARM_AM::getAM2ShiftOpc(MO3.getImm()),
+ ARM_AM::getAM2Offset(MO3.getImm()), UseMarkup);
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printAddrModeTBB(const MCInst *MI, unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op + 1);
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ O << ", ";
+ printRegName(O, MO2.getReg());
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printAddrModeTBH(const MCInst *MI, unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op + 1);
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ O << ", ";
+ printRegName(O, MO2.getReg());
+ O << ", lsl " << markup("<imm:") << "#1" << markup(">") << "]" << markup(">");
+}
+
+void ARMInstPrinter::printAddrMode2Operand(const MCInst *MI, unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+
+ if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
+ printOperand(MI, Op, STI, O);
+ return;
+ }
+
+#ifndef NDEBUG
+ const MCOperand &MO3 = MI->getOperand(Op + 2);
+ unsigned IdxMode = ARM_AM::getAM2IdxMode(MO3.getImm());
+ assert(IdxMode != ARMII::IndexModePost && "Should be pre or offset index op");
+#endif
+
+ printAM2PreOrOffsetIndexOp(MI, Op, STI, O);
+}
+
+void ARMInstPrinter::printAddrMode2OffsetOperand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ if (!MO1.getReg()) {
+ unsigned ImmOffs = ARM_AM::getAM2Offset(MO2.getImm());
+ O << markup("<imm:") << '#'
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm())) << ImmOffs
+ << markup(">");
+ return;
+ }
+
+ O << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm()));
+ printRegName(O, MO1.getReg());
+
+ printRegImmShift(O, ARM_AM::getAM2ShiftOpc(MO2.getImm()),
+ ARM_AM::getAM2Offset(MO2.getImm()), UseMarkup);
+}
+
+//===--------------------------------------------------------------------===//
+// Addressing Mode #3
+//===--------------------------------------------------------------------===//
+
+void ARMInstPrinter::printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
+ raw_ostream &O,
+ bool AlwaysPrintImm0) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op + 1);
+ const MCOperand &MO3 = MI->getOperand(Op + 2);
+
+ O << markup("<mem:") << '[';
+ printRegName(O, MO1.getReg());
+
+ if (MO2.getReg()) {
+ O << ", " << getAddrOpcStr(ARM_AM::getAM3Op(MO3.getImm()));
+ printRegName(O, MO2.getReg());
+ O << ']' << markup(">");
+ return;
+ }
+
+ // If the op is sub we have to print the immediate even if it is 0
+ unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm());
+ ARM_AM::AddrOpc op = ARM_AM::getAM3Op(MO3.getImm());
+
+ if (AlwaysPrintImm0 || ImmOffs || (op == ARM_AM::sub)) {
+ O << ", " << markup("<imm:") << "#" << ARM_AM::getAddrOpcStr(op) << ImmOffs
+ << markup(">");
+ }
+ O << ']' << markup(">");
+}
+
+template <bool AlwaysPrintImm0>
+void ARMInstPrinter::printAddrMode3Operand(const MCInst *MI, unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ if (!MO1.isReg()) { // For label symbolic references.
+ printOperand(MI, Op, STI, O);
+ return;
+ }
+
+ assert(ARM_AM::getAM3IdxMode(MI->getOperand(Op + 2).getImm()) !=
+ ARMII::IndexModePost &&
+ "unexpected idxmode");
+ printAM3PreOrOffsetIndexOp(MI, Op, O, AlwaysPrintImm0);
+}
+
+void ARMInstPrinter::printAddrMode3OffsetOperand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ if (MO1.getReg()) {
+ O << getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm()));
+ printRegName(O, MO1.getReg());
+ return;
+ }
+
+ unsigned ImmOffs = ARM_AM::getAM3Offset(MO2.getImm());
+ O << markup("<imm:") << '#'
+ << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm())) << ImmOffs
+ << markup(">");
+}
+
+void ARMInstPrinter::printPostIdxImm8Operand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ unsigned Imm = MO.getImm();
+ O << markup("<imm:") << '#' << ((Imm & 256) ? "" : "-") << (Imm & 0xff)
+ << markup(">");
+}
+
+void ARMInstPrinter::printPostIdxRegOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ O << (MO2.getImm() ? "" : "-");
+ printRegName(O, MO1.getReg());
+}
+
+void ARMInstPrinter::printPostIdxImm8s4Operand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ unsigned Imm = MO.getImm();
+ O << markup("<imm:") << '#' << ((Imm & 256) ? "" : "-") << ((Imm & 0xff) << 2)
+ << markup(">");
+}
+
+void ARMInstPrinter::printLdStmModeOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ ARM_AM::AMSubMode Mode =
+ ARM_AM::getAM4SubMode(MI->getOperand(OpNum).getImm());
+ O << ARM_AM::getAMSubModeStr(Mode);
+}
+
+template <bool AlwaysPrintImm0>
+void ARMInstPrinter::printAddrMode5Operand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
+ printOperand(MI, OpNum, STI, O);
+ return;
+ }
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+
+ unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm());
+ ARM_AM::AddrOpc Op = ARM_AM::getAM5Op(MO2.getImm());
+ if (AlwaysPrintImm0 || ImmOffs || Op == ARM_AM::sub) {
+ O << ", " << markup("<imm:") << "#" << ARM_AM::getAddrOpcStr(Op)
+ << ImmOffs * 4 << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printAddrMode6Operand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ if (MO2.getImm()) {
+ O << ":" << (MO2.getImm() << 3);
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printAddrMode7Operand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printAddrMode6OffsetOperand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ if (MO.getReg() == 0)
+ O << "!";
+ else {
+ O << ", ";
+ printRegName(O, MO.getReg());
+ }
+}
+
+void ARMInstPrinter::printBitfieldInvMaskImmOperand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ uint32_t v = ~MO.getImm();
+ int32_t lsb = countTrailingZeros(v);
+ int32_t width = (32 - countLeadingZeros(v)) - lsb;
+ assert(MO.isImm() && "Not a valid bf_inv_mask_imm value!");
+ O << markup("<imm:") << '#' << lsb << markup(">") << ", " << markup("<imm:")
+ << '#' << width << markup(">");
+}
+
+void ARMInstPrinter::printMemBOption(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned val = MI->getOperand(OpNum).getImm();
+ O << ARM_MB::MemBOptToString(val, STI.getFeatureBits()[ARM::HasV8Ops]);
+}
+
+void ARMInstPrinter::printInstSyncBOption(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned val = MI->getOperand(OpNum).getImm();
+ O << ARM_ISB::InstSyncBOptToString(val);
+}
+
+void ARMInstPrinter::printShiftImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned ShiftOp = MI->getOperand(OpNum).getImm();
+ bool isASR = (ShiftOp & (1 << 5)) != 0;
+ unsigned Amt = ShiftOp & 0x1f;
+ if (isASR) {
+ O << ", asr " << markup("<imm:") << "#" << (Amt == 0 ? 32 : Amt)
+ << markup(">");
+ } else if (Amt) {
+ O << ", lsl " << markup("<imm:") << "#" << Amt << markup(">");
+ }
+}
+
+void ARMInstPrinter::printPKHLSLShiftImm(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ if (Imm == 0)
+ return;
+ assert(Imm > 0 && Imm < 32 && "Invalid PKH shift immediate value!");
+ O << ", lsl " << markup("<imm:") << "#" << Imm << markup(">");
+}
+
+void ARMInstPrinter::printPKHASRShiftImm(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ // A shift amount of 32 is encoded as 0.
+ if (Imm == 0)
+ Imm = 32;
+ assert(Imm > 0 && Imm <= 32 && "Invalid PKH shift immediate value!");
+ O << ", asr " << markup("<imm:") << "#" << Imm << markup(">");
+}
+
+void ARMInstPrinter::printRegisterList(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "{";
+ for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
+ if (i != OpNum)
+ O << ", ";
+ printRegName(O, MI->getOperand(i).getReg());
+ }
+ O << "}";
+}
+
+void ARMInstPrinter::printGPRPairOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ printRegName(O, MRI.getSubReg(Reg, ARM::gsub_0));
+ O << ", ";
+ printRegName(O, MRI.getSubReg(Reg, ARM::gsub_1));
+}
+
+void ARMInstPrinter::printSetendOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &Op = MI->getOperand(OpNum);
+ if (Op.getImm())
+ O << "be";
+ else
+ O << "le";
+}
+
+void ARMInstPrinter::printCPSIMod(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI, raw_ostream &O) {
+ const MCOperand &Op = MI->getOperand(OpNum);
+ O << ARM_PROC::IModToString(Op.getImm());
+}
+
+void ARMInstPrinter::printCPSIFlag(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI, raw_ostream &O) {
+ const MCOperand &Op = MI->getOperand(OpNum);
+ unsigned IFlags = Op.getImm();
+ for (int i = 2; i >= 0; --i)
+ if (IFlags & (1 << i))
+ O << ARM_PROC::IFlagsToString(1 << i);
+
+ if (IFlags == 0)
+ O << "none";
+}
+
+void ARMInstPrinter::printMSRMaskOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &Op = MI->getOperand(OpNum);
+ unsigned SpecRegRBit = Op.getImm() >> 4;
+ unsigned Mask = Op.getImm() & 0xf;
+ const FeatureBitset &FeatureBits = STI.getFeatureBits();
+
+ if (FeatureBits[ARM::FeatureMClass]) {
+ unsigned SYSm = Op.getImm();
+ unsigned Opcode = MI->getOpcode();
+
+ // For writes, handle extended mask bits if the DSP extension is present.
+ if (Opcode == ARM::t2MSR_M && FeatureBits[ARM::FeatureDSP]) {
+ switch (SYSm) {
+ case 0x400:
+ O << "apsr_g";
+ return;
+ case 0xc00:
+ O << "apsr_nzcvqg";
+ return;
+ case 0x401:
+ O << "iapsr_g";
+ return;
+ case 0xc01:
+ O << "iapsr_nzcvqg";
+ return;
+ case 0x402:
+ O << "eapsr_g";
+ return;
+ case 0xc02:
+ O << "eapsr_nzcvqg";
+ return;
+ case 0x403:
+ O << "xpsr_g";
+ return;
+ case 0xc03:
+ O << "xpsr_nzcvqg";
+ return;
+ }
+ }
+
+ // Handle the basic 8-bit mask.
+ SYSm &= 0xff;
+
+ if (Opcode == ARM::t2MSR_M && FeatureBits [ARM::HasV7Ops]) {
+ // ARMv7-M deprecates using MSR APSR without a _<bits> qualifier as an
+ // alias for MSR APSR_nzcvq.
+ switch (SYSm) {
+ case 0:
+ O << "apsr_nzcvq";
+ return;
+ case 1:
+ O << "iapsr_nzcvq";
+ return;
+ case 2:
+ O << "eapsr_nzcvq";
+ return;
+ case 3:
+ O << "xpsr_nzcvq";
+ return;
+ }
+ }
+
+ switch (SYSm) {
+ default:
+ llvm_unreachable("Unexpected mask value!");
+ case 0:
+ O << "apsr";
+ return;
+ case 1:
+ O << "iapsr";
+ return;
+ case 2:
+ O << "eapsr";
+ return;
+ case 3:
+ O << "xpsr";
+ return;
+ case 5:
+ O << "ipsr";
+ return;
+ case 6:
+ O << "epsr";
+ return;
+ case 7:
+ O << "iepsr";
+ return;
+ case 8:
+ O << "msp";
+ return;
+ case 9:
+ O << "psp";
+ return;
+ case 16:
+ O << "primask";
+ return;
+ case 17:
+ O << "basepri";
+ return;
+ case 18:
+ O << "basepri_max";
+ return;
+ case 19:
+ O << "faultmask";
+ return;
+ case 20:
+ O << "control";
+ return;
+ }
+ }
+
+ // As special cases, CPSR_f, CPSR_s and CPSR_fs prefer printing as
+ // APSR_nzcvq, APSR_g and APSRnzcvqg, respectively.
+ if (!SpecRegRBit && (Mask == 8 || Mask == 4 || Mask == 12)) {
+ O << "APSR_";
+ switch (Mask) {
+ default:
+ llvm_unreachable("Unexpected mask value!");
+ case 4:
+ O << "g";
+ return;
+ case 8:
+ O << "nzcvq";
+ return;
+ case 12:
+ O << "nzcvqg";
+ return;
+ }
+ }
+
+ if (SpecRegRBit)
+ O << "SPSR";
+ else
+ O << "CPSR";
+
+ 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::printBankedRegOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ uint32_t Banked = MI->getOperand(OpNum).getImm();
+ uint32_t R = (Banked & 0x20) >> 5;
+ uint32_t SysM = Banked & 0x1f;
+
+ // Nothing much we can do about this, the encodings are specified in B9.2.3 of
+ // the ARM ARM v7C, and are all over the shop.
+ if (R) {
+ O << "SPSR_";
+
+ switch (SysM) {
+ case 0x0e:
+ O << "fiq";
+ return;
+ case 0x10:
+ O << "irq";
+ return;
+ case 0x12:
+ O << "svc";
+ return;
+ case 0x14:
+ O << "abt";
+ return;
+ case 0x16:
+ O << "und";
+ return;
+ case 0x1c:
+ O << "mon";
+ return;
+ case 0x1e:
+ O << "hyp";
+ return;
+ default:
+ llvm_unreachable("Invalid banked SPSR register");
+ }
+ }
+
+ assert(!R && "should have dealt with SPSR regs");
+ const char *RegNames[] = {
+ "r8_usr", "r9_usr", "r10_usr", "r11_usr", "r12_usr", "sp_usr", "lr_usr",
+ "", "r8_fiq", "r9_fiq", "r10_fiq", "r11_fiq", "r12_fiq", "sp_fiq",
+ "lr_fiq", "", "lr_irq", "sp_irq", "lr_svc", "sp_svc", "lr_abt",
+ "sp_abt", "lr_und", "sp_und", "", "", "", "",
+ "lr_mon", "sp_mon", "elr_hyp", "sp_hyp"};
+ const char *Name = RegNames[SysM];
+ assert(Name[0] && "invalid banked register operand");
+
+ O << Name;
+}
+
+void ARMInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
+ // Handle the undefined 15 CC value here for printing so we don't abort().
+ if ((unsigned)CC == 15)
+ O << "<und>";
+ else if (CC != ARMCC::AL)
+ O << ARMCondCodeToString(CC);
+}
+
+void ARMInstPrinter::printMandatoryPredicateOperand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
+ O << ARMCondCodeToString(CC);
+}
+
+void ARMInstPrinter::printSBitModifierOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNum).getReg()) {
+ assert(MI->getOperand(OpNum).getReg() == ARM::CPSR &&
+ "Expect ARM CPSR register!");
+ O << 's';
+ }
+}
+
+void ARMInstPrinter::printNoHashImmediate(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << MI->getOperand(OpNum).getImm();
+}
+
+void ARMInstPrinter::printPImmediate(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "p" << MI->getOperand(OpNum).getImm();
+}
+
+void ARMInstPrinter::printCImmediate(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "c" << MI->getOperand(OpNum).getImm();
+}
+
+void ARMInstPrinter::printCoprocOptionImm(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "{" << MI->getOperand(OpNum).getImm() << "}";
+}
+
+void ARMInstPrinter::printPCLabel(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI, raw_ostream &O) {
+ llvm_unreachable("Unhandled PC-relative pseudo-instruction!");
+}
+
+template <unsigned scale>
+void ARMInstPrinter::printAdrLabelOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+
+ if (MO.isExpr()) {
+ MO.getExpr()->print(O, &MAI);
+ return;
+ }
+
+ int32_t OffImm = (int32_t)MO.getImm() << scale;
+
+ O << markup("<imm:");
+ if (OffImm == INT32_MIN)
+ O << "#-0";
+ else if (OffImm < 0)
+ O << "#-" << -OffImm;
+ else
+ O << "#" << OffImm;
+ O << markup(">");
+}
+
+void ARMInstPrinter::printThumbS4ImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << markup("<imm:") << "#" << formatImm(MI->getOperand(OpNum).getImm() * 4)
+ << markup(">");
+}
+
+void ARMInstPrinter::printThumbSRImm(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ O << markup("<imm:") << "#" << formatImm((Imm == 0 ? 32 : Imm))
+ << markup(">");
+}
+
+void ARMInstPrinter::printThumbITMask(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // (3 - the number of trailing zeros) is the number of then / else.
+ unsigned Mask = MI->getOperand(OpNum).getImm();
+ unsigned Firstcond = MI->getOperand(OpNum - 1).getImm();
+ unsigned CondBit0 = Firstcond & 1;
+ unsigned NumTZ = countTrailingZeros(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 MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op + 1);
+
+ if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
+ printOperand(MI, Op, STI, O);
+ return;
+ }
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ if (unsigned RegNum = MO2.getReg()) {
+ O << ", ";
+ printRegName(O, RegNum);
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printThumbAddrModeImm5SOperand(const MCInst *MI,
+ unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O,
+ unsigned Scale) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op + 1);
+
+ if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
+ printOperand(MI, Op, STI, O);
+ return;
+ }
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ if (unsigned ImmOffs = MO2.getImm()) {
+ O << ", " << markup("<imm:") << "#" << formatImm(ImmOffs * Scale)
+ << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printThumbAddrModeImm5S1Operand(const MCInst *MI,
+ unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ printThumbAddrModeImm5SOperand(MI, Op, STI, O, 1);
+}
+
+void ARMInstPrinter::printThumbAddrModeImm5S2Operand(const MCInst *MI,
+ unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ printThumbAddrModeImm5SOperand(MI, Op, STI, O, 2);
+}
+
+void ARMInstPrinter::printThumbAddrModeImm5S4Operand(const MCInst *MI,
+ unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ printThumbAddrModeImm5SOperand(MI, Op, STI, O, 4);
+}
+
+void ARMInstPrinter::printThumbAddrModeSPOperand(const MCInst *MI, unsigned Op,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ printThumbAddrModeImm5SOperand(MI, Op, STI, O, 4);
+}
+
+// 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 MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ unsigned Reg = MO1.getReg();
+ printRegName(O, Reg);
+
+ // Print the shift opc.
+ assert(MO2.isImm() && "Not a valid t2_so_reg value!");
+ printRegImmShift(O, ARM_AM::getSORegShOp(MO2.getImm()),
+ ARM_AM::getSORegOffset(MO2.getImm()), UseMarkup);
+}
+
+template <bool AlwaysPrintImm0>
+void ARMInstPrinter::printAddrModeImm12Operand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
+ printOperand(MI, OpNum, STI, O);
+ return;
+ }
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm();
+ bool isSub = OffImm < 0;
+ // Special value for #-0. All others are normal.
+ if (OffImm == INT32_MIN)
+ OffImm = 0;
+ if (isSub) {
+ O << ", " << markup("<imm:") << "#-" << formatImm(-OffImm) << markup(">");
+ } else if (AlwaysPrintImm0 || OffImm > 0) {
+ O << ", " << markup("<imm:") << "#" << formatImm(OffImm) << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+template <bool AlwaysPrintImm0>
+void ARMInstPrinter::printT2AddrModeImm8Operand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm();
+ bool isSub = OffImm < 0;
+ // Don't print +0.
+ if (OffImm == INT32_MIN)
+ OffImm = 0;
+ if (isSub) {
+ O << ", " << markup("<imm:") << "#-" << -OffImm << markup(">");
+ } else if (AlwaysPrintImm0 || OffImm > 0) {
+ O << ", " << markup("<imm:") << "#" << OffImm << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+template <bool AlwaysPrintImm0>
+void ARMInstPrinter::printT2AddrModeImm8s4Operand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ if (!MO1.isReg()) { // For label symbolic references.
+ printOperand(MI, OpNum, STI, O);
+ return;
+ }
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm();
+ bool isSub = OffImm < 0;
+
+ assert(((OffImm & 0x3) == 0) && "Not a valid immediate!");
+
+ // Don't print +0.
+ if (OffImm == INT32_MIN)
+ OffImm = 0;
+ if (isSub) {
+ O << ", " << markup("<imm:") << "#-" << -OffImm << markup(">");
+ } else if (AlwaysPrintImm0 || OffImm > 0) {
+ O << ", " << markup("<imm:") << "#" << OffImm << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printT2AddrModeImm0_1020s4Operand(
+ const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+ if (MO2.getImm()) {
+ O << ", " << markup("<imm:") << "#" << formatImm(MO2.getImm() * 4)
+ << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printT2AddrModeImm8OffsetOperand(
+ const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ int32_t OffImm = (int32_t)MO1.getImm();
+ O << ", " << markup("<imm:");
+ if (OffImm == INT32_MIN)
+ O << "#-0";
+ else if (OffImm < 0)
+ O << "#-" << -OffImm;
+ else
+ O << "#" << OffImm;
+ O << markup(">");
+}
+
+void ARMInstPrinter::printT2AddrModeImm8s4OffsetOperand(
+ const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ int32_t OffImm = (int32_t)MO1.getImm();
+
+ assert(((OffImm & 0x3) == 0) && "Not a valid immediate!");
+
+ O << ", " << markup("<imm:");
+ if (OffImm == INT32_MIN)
+ O << "#-0";
+ else if (OffImm < 0)
+ O << "#-" << -OffImm;
+ else
+ O << "#" << OffImm;
+ O << markup(">");
+}
+
+void ARMInstPrinter::printT2AddrModeSoRegOperand(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum + 1);
+ const MCOperand &MO3 = MI->getOperand(OpNum + 2);
+
+ O << markup("<mem:") << "[";
+ printRegName(O, MO1.getReg());
+
+ assert(MO2.getReg() && "Invalid so_reg load / store address!");
+ O << ", ";
+ printRegName(O, MO2.getReg());
+
+ unsigned ShAmt = MO3.getImm();
+ if (ShAmt) {
+ assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
+ O << ", lsl " << markup("<imm:") << "#" << ShAmt << markup(">");
+ }
+ O << "]" << markup(">");
+}
+
+void ARMInstPrinter::printFPImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ O << markup("<imm:") << '#' << ARM_AM::getFPImmFloat(MO.getImm())
+ << markup(">");
+}
+
+void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned EncodedImm = MI->getOperand(OpNum).getImm();
+ unsigned EltBits;
+ uint64_t Val = ARM_AM::decodeNEONModImm(EncodedImm, EltBits);
+ O << markup("<imm:") << "#0x";
+ O.write_hex(Val);
+ O << markup(">");
+}
+
+void ARMInstPrinter::printImmPlusOneOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ O << markup("<imm:") << "#" << formatImm(Imm + 1) << markup(">");
+}
+
+void ARMInstPrinter::printRotImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ if (Imm == 0)
+ return;
+ assert(Imm <= 3 && "illegal ror immediate!");
+ O << ", ror " << markup("<imm:") << "#" << 8 * Imm << markup(">");
+}
+
+void ARMInstPrinter::printModImmOperand(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ MCOperand Op = MI->getOperand(OpNum);
+
+ // Support for fixups (MCFixup)
+ if (Op.isExpr())
+ return printOperand(MI, OpNum, STI, O);
+
+ unsigned Bits = Op.getImm() & 0xFF;
+ unsigned Rot = (Op.getImm() & 0xF00) >> 7;
+
+ bool PrintUnsigned = false;
+ switch (MI->getOpcode()) {
+ case ARM::MOVi:
+ // Movs to PC should be treated unsigned
+ PrintUnsigned = (MI->getOperand(OpNum - 1).getReg() == ARM::PC);
+ break;
+ case ARM::MSRi:
+ // Movs to special registers should be treated unsigned
+ PrintUnsigned = true;
+ break;
+ }
+
+ int32_t Rotated = ARM_AM::rotr32(Bits, Rot);
+ if (ARM_AM::getSOImmVal(Rotated) == Op.getImm()) {
+ // #rot has the least possible value
+ O << "#" << markup("<imm:");
+ if (PrintUnsigned)
+ O << static_cast<uint32_t>(Rotated);
+ else
+ O << Rotated;
+ O << markup(">");
+ return;
+ }
+
+ // Explicit #bits, #rot implied
+ O << "#" << markup("<imm:") << Bits << markup(">") << ", #" << markup("<imm:")
+ << Rot << markup(">");
+}
+
+void ARMInstPrinter::printFBits16(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI, raw_ostream &O) {
+ O << markup("<imm:") << "#" << 16 - MI->getOperand(OpNum).getImm()
+ << markup(">");
+}
+
+void ARMInstPrinter::printFBits32(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI, raw_ostream &O) {
+ O << markup("<imm:") << "#" << 32 - MI->getOperand(OpNum).getImm()
+ << markup(">");
+}
+
+void ARMInstPrinter::printVectorIndex(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "[" << MI->getOperand(OpNum).getImm() << "]";
+}
+
+void ARMInstPrinter::printVectorListOne(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << "}";
+}
+
+void ARMInstPrinter::printVectorListTwo(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
+ unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_1);
+ O << "{";
+ printRegName(O, Reg0);
+ O << ", ";
+ printRegName(O, Reg1);
+ O << "}";
+}
+
+void ARMInstPrinter::printVectorListTwoSpaced(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
+ unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_2);
+ O << "{";
+ printRegName(O, Reg0);
+ O << ", ";
+ printRegName(O, Reg1);
+ O << "}";
+}
+
+void ARMInstPrinter::printVectorListThree(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 1);
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << "}";
+}
+
+void ARMInstPrinter::printVectorListFour(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 1);
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 3);
+ O << "}";
+}
+
+void ARMInstPrinter::printVectorListOneAllLanes(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListTwoAllLanes(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
+ unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_1);
+ O << "{";
+ printRegName(O, Reg0);
+ O << "[], ";
+ printRegName(O, Reg1);
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListThreeAllLanes(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 1);
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListFourAllLanes(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 1);
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 3);
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListTwoSpacedAllLanes(
+ const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
+ unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_2);
+ O << "{";
+ printRegName(O, Reg0);
+ O << "[], ";
+ printRegName(O, Reg1);
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListThreeSpacedAllLanes(
+ const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 4);
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListFourSpacedAllLanes(
+ const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 4);
+ O << "[], ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 6);
+ O << "[]}";
+}
+
+void ARMInstPrinter::printVectorListThreeSpaced(const MCInst *MI,
+ unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 4);
+ O << "}";
+}
+
+void ARMInstPrinter::printVectorListFourSpaced(const MCInst *MI, unsigned OpNum,
+ const MCSubtargetInfo &STI,
+ raw_ostream &O) {
+ // Normally, it's not safe to use register enum values directly with
+ // addition to get the next register, but for VFP registers, the
+ // sort order is guaranteed because they're all of the form D<n>.
+ O << "{";
+ printRegName(O, MI->getOperand(OpNum).getReg());
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 2);
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 4);
+ O << ", ";
+ printRegName(O, MI->getOperand(OpNum).getReg() + 6);
+ O << "}";
+}
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