diff options
Diffstat (limited to 'contrib/llvm/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp | 1408 |
1 files changed, 1408 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp b/contrib/llvm/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp new file mode 100644 index 0000000..d8a8108 --- /dev/null +++ b/contrib/llvm/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp @@ -0,0 +1,1408 @@ +//==-- AArch64InstPrinter.cpp - Convert AArch64 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 AArch64 MCInst to a .s file. +// +//===----------------------------------------------------------------------===// + +#include "AArch64InstPrinter.h" +#include "MCTargetDesc/AArch64AddressingModes.h" +#include "Utils/AArch64BaseInfo.h" +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCInst.h" +#include "llvm/MC/MCRegisterInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/Support/Format.h" +#include "llvm/Support/raw_ostream.h" +using namespace llvm; + +#define DEBUG_TYPE "asm-printer" + +#define GET_INSTRUCTION_NAME +#define PRINT_ALIAS_INSTR +#include "AArch64GenAsmWriter.inc" +#define GET_INSTRUCTION_NAME +#define PRINT_ALIAS_INSTR +#include "AArch64GenAsmWriter1.inc" + +AArch64InstPrinter::AArch64InstPrinter(const MCAsmInfo &MAI, + const MCInstrInfo &MII, + const MCRegisterInfo &MRI) + : MCInstPrinter(MAI, MII, MRI) {} + +AArch64AppleInstPrinter::AArch64AppleInstPrinter(const MCAsmInfo &MAI, + const MCInstrInfo &MII, + const MCRegisterInfo &MRI) + : AArch64InstPrinter(MAI, MII, MRI) {} + +void AArch64InstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const { + // This is for .cfi directives. + OS << getRegisterName(RegNo); +} + +void AArch64InstPrinter::printInst(const MCInst *MI, raw_ostream &O, + StringRef Annot, + const MCSubtargetInfo &STI) { + // Check for special encodings and print the canonical alias instead. + + unsigned Opcode = MI->getOpcode(); + + if (Opcode == AArch64::SYSxt) + if (printSysAlias(MI, STI, O)) { + printAnnotation(O, Annot); + return; + } + + // SBFM/UBFM should print to a nicer aliased form if possible. + if (Opcode == AArch64::SBFMXri || Opcode == AArch64::SBFMWri || + Opcode == AArch64::UBFMXri || Opcode == AArch64::UBFMWri) { + const MCOperand &Op0 = MI->getOperand(0); + const MCOperand &Op1 = MI->getOperand(1); + const MCOperand &Op2 = MI->getOperand(2); + const MCOperand &Op3 = MI->getOperand(3); + + bool IsSigned = (Opcode == AArch64::SBFMXri || Opcode == AArch64::SBFMWri); + bool Is64Bit = (Opcode == AArch64::SBFMXri || Opcode == AArch64::UBFMXri); + if (Op2.isImm() && Op2.getImm() == 0 && Op3.isImm()) { + const char *AsmMnemonic = nullptr; + + switch (Op3.getImm()) { + default: + break; + case 7: + if (IsSigned) + AsmMnemonic = "sxtb"; + else if (!Is64Bit) + AsmMnemonic = "uxtb"; + break; + case 15: + if (IsSigned) + AsmMnemonic = "sxth"; + else if (!Is64Bit) + AsmMnemonic = "uxth"; + break; + case 31: + // *xtw is only valid for signed 64-bit operations. + if (Is64Bit && IsSigned) + AsmMnemonic = "sxtw"; + break; + } + + if (AsmMnemonic) { + O << '\t' << AsmMnemonic << '\t' << getRegisterName(Op0.getReg()) + << ", " << getRegisterName(getWRegFromXReg(Op1.getReg())); + printAnnotation(O, Annot); + return; + } + } + + // All immediate shifts are aliases, implemented using the Bitfield + // instruction. In all cases the immediate shift amount shift must be in + // the range 0 to (reg.size -1). + if (Op2.isImm() && Op3.isImm()) { + const char *AsmMnemonic = nullptr; + int shift = 0; + int64_t immr = Op2.getImm(); + int64_t imms = Op3.getImm(); + if (Opcode == AArch64::UBFMWri && imms != 0x1F && ((imms + 1) == immr)) { + AsmMnemonic = "lsl"; + shift = 31 - imms; + } else if (Opcode == AArch64::UBFMXri && imms != 0x3f && + ((imms + 1 == immr))) { + AsmMnemonic = "lsl"; + shift = 63 - imms; + } else if (Opcode == AArch64::UBFMWri && imms == 0x1f) { + AsmMnemonic = "lsr"; + shift = immr; + } else if (Opcode == AArch64::UBFMXri && imms == 0x3f) { + AsmMnemonic = "lsr"; + shift = immr; + } else if (Opcode == AArch64::SBFMWri && imms == 0x1f) { + AsmMnemonic = "asr"; + shift = immr; + } else if (Opcode == AArch64::SBFMXri && imms == 0x3f) { + AsmMnemonic = "asr"; + shift = immr; + } + if (AsmMnemonic) { + O << '\t' << AsmMnemonic << '\t' << getRegisterName(Op0.getReg()) + << ", " << getRegisterName(Op1.getReg()) << ", #" << shift; + printAnnotation(O, Annot); + return; + } + } + + // SBFIZ/UBFIZ aliases + if (Op2.getImm() > Op3.getImm()) { + O << '\t' << (IsSigned ? "sbfiz" : "ubfiz") << '\t' + << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg()) + << ", #" << (Is64Bit ? 64 : 32) - Op2.getImm() << ", #" << Op3.getImm() + 1; + printAnnotation(O, Annot); + return; + } + + // Otherwise SBFX/UBFX is the preferred form + O << '\t' << (IsSigned ? "sbfx" : "ubfx") << '\t' + << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg()) + << ", #" << Op2.getImm() << ", #" << Op3.getImm() - Op2.getImm() + 1; + printAnnotation(O, Annot); + return; + } + + if (Opcode == AArch64::BFMXri || Opcode == AArch64::BFMWri) { + const MCOperand &Op0 = MI->getOperand(0); // Op1 == Op0 + const MCOperand &Op2 = MI->getOperand(2); + int ImmR = MI->getOperand(3).getImm(); + int ImmS = MI->getOperand(4).getImm(); + + if ((Op2.getReg() == AArch64::WZR || Op2.getReg() == AArch64::XZR) && + (ImmR == 0 || ImmS < ImmR)) { + // BFC takes precedence over its entire range, sligtly differently to BFI. + int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32; + int LSB = (BitWidth - ImmR) % BitWidth; + int Width = ImmS + 1; + + O << "\tbfc\t" << getRegisterName(Op0.getReg()) + << ", #" << LSB << ", #" << Width; + printAnnotation(O, Annot); + return; + } else if (ImmS < ImmR) { + // BFI alias + int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32; + int LSB = (BitWidth - ImmR) % BitWidth; + int Width = ImmS + 1; + + O << "\tbfi\t" << getRegisterName(Op0.getReg()) << ", " + << getRegisterName(Op2.getReg()) << ", #" << LSB << ", #" << Width; + printAnnotation(O, Annot); + return; + } + + int LSB = ImmR; + int Width = ImmS - ImmR + 1; + // Otherwise BFXIL the preferred form + O << "\tbfxil\t" + << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op2.getReg()) + << ", #" << LSB << ", #" << Width; + printAnnotation(O, Annot); + return; + } + + // Symbolic operands for MOVZ, MOVN and MOVK already imply a shift + // (e.g. :gottprel_g1: is always going to be "lsl #16") so it should not be + // printed. + if ((Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi || + Opcode == AArch64::MOVNXi || Opcode == AArch64::MOVNWi) && + MI->getOperand(1).isExpr()) { + if (Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi) + O << "\tmovz\t"; + else + O << "\tmovn\t"; + + O << getRegisterName(MI->getOperand(0).getReg()) << ", #"; + MI->getOperand(1).getExpr()->print(O, &MAI); + return; + } + + if ((Opcode == AArch64::MOVKXi || Opcode == AArch64::MOVKWi) && + MI->getOperand(2).isExpr()) { + O << "\tmovk\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #"; + MI->getOperand(2).getExpr()->print(O, &MAI); + return; + } + + if (!printAliasInstr(MI, STI, O)) + printInstruction(MI, STI, O); + + printAnnotation(O, Annot); +} + +static bool isTblTbxInstruction(unsigned Opcode, StringRef &Layout, + bool &IsTbx) { + switch (Opcode) { + case AArch64::TBXv8i8One: + case AArch64::TBXv8i8Two: + case AArch64::TBXv8i8Three: + case AArch64::TBXv8i8Four: + IsTbx = true; + Layout = ".8b"; + return true; + case AArch64::TBLv8i8One: + case AArch64::TBLv8i8Two: + case AArch64::TBLv8i8Three: + case AArch64::TBLv8i8Four: + IsTbx = false; + Layout = ".8b"; + return true; + case AArch64::TBXv16i8One: + case AArch64::TBXv16i8Two: + case AArch64::TBXv16i8Three: + case AArch64::TBXv16i8Four: + IsTbx = true; + Layout = ".16b"; + return true; + case AArch64::TBLv16i8One: + case AArch64::TBLv16i8Two: + case AArch64::TBLv16i8Three: + case AArch64::TBLv16i8Four: + IsTbx = false; + Layout = ".16b"; + return true; + default: + return false; + } +} + +struct LdStNInstrDesc { + unsigned Opcode; + const char *Mnemonic; + const char *Layout; + int ListOperand; + bool HasLane; + int NaturalOffset; +}; + +static const LdStNInstrDesc LdStNInstInfo[] = { + { AArch64::LD1i8, "ld1", ".b", 1, true, 0 }, + { AArch64::LD1i16, "ld1", ".h", 1, true, 0 }, + { AArch64::LD1i32, "ld1", ".s", 1, true, 0 }, + { AArch64::LD1i64, "ld1", ".d", 1, true, 0 }, + { AArch64::LD1i8_POST, "ld1", ".b", 2, true, 1 }, + { AArch64::LD1i16_POST, "ld1", ".h", 2, true, 2 }, + { AArch64::LD1i32_POST, "ld1", ".s", 2, true, 4 }, + { AArch64::LD1i64_POST, "ld1", ".d", 2, true, 8 }, + { AArch64::LD1Rv16b, "ld1r", ".16b", 0, false, 0 }, + { AArch64::LD1Rv8h, "ld1r", ".8h", 0, false, 0 }, + { AArch64::LD1Rv4s, "ld1r", ".4s", 0, false, 0 }, + { AArch64::LD1Rv2d, "ld1r", ".2d", 0, false, 0 }, + { AArch64::LD1Rv8b, "ld1r", ".8b", 0, false, 0 }, + { AArch64::LD1Rv4h, "ld1r", ".4h", 0, false, 0 }, + { AArch64::LD1Rv2s, "ld1r", ".2s", 0, false, 0 }, + { AArch64::LD1Rv1d, "ld1r", ".1d", 0, false, 0 }, + { AArch64::LD1Rv16b_POST, "ld1r", ".16b", 1, false, 1 }, + { AArch64::LD1Rv8h_POST, "ld1r", ".8h", 1, false, 2 }, + { AArch64::LD1Rv4s_POST, "ld1r", ".4s", 1, false, 4 }, + { AArch64::LD1Rv2d_POST, "ld1r", ".2d", 1, false, 8 }, + { AArch64::LD1Rv8b_POST, "ld1r", ".8b", 1, false, 1 }, + { AArch64::LD1Rv4h_POST, "ld1r", ".4h", 1, false, 2 }, + { AArch64::LD1Rv2s_POST, "ld1r", ".2s", 1, false, 4 }, + { AArch64::LD1Rv1d_POST, "ld1r", ".1d", 1, false, 8 }, + { AArch64::LD1Onev16b, "ld1", ".16b", 0, false, 0 }, + { AArch64::LD1Onev8h, "ld1", ".8h", 0, false, 0 }, + { AArch64::LD1Onev4s, "ld1", ".4s", 0, false, 0 }, + { AArch64::LD1Onev2d, "ld1", ".2d", 0, false, 0 }, + { AArch64::LD1Onev8b, "ld1", ".8b", 0, false, 0 }, + { AArch64::LD1Onev4h, "ld1", ".4h", 0, false, 0 }, + { AArch64::LD1Onev2s, "ld1", ".2s", 0, false, 0 }, + { AArch64::LD1Onev1d, "ld1", ".1d", 0, false, 0 }, + { AArch64::LD1Onev16b_POST, "ld1", ".16b", 1, false, 16 }, + { AArch64::LD1Onev8h_POST, "ld1", ".8h", 1, false, 16 }, + { AArch64::LD1Onev4s_POST, "ld1", ".4s", 1, false, 16 }, + { AArch64::LD1Onev2d_POST, "ld1", ".2d", 1, false, 16 }, + { AArch64::LD1Onev8b_POST, "ld1", ".8b", 1, false, 8 }, + { AArch64::LD1Onev4h_POST, "ld1", ".4h", 1, false, 8 }, + { AArch64::LD1Onev2s_POST, "ld1", ".2s", 1, false, 8 }, + { AArch64::LD1Onev1d_POST, "ld1", ".1d", 1, false, 8 }, + { AArch64::LD1Twov16b, "ld1", ".16b", 0, false, 0 }, + { AArch64::LD1Twov8h, "ld1", ".8h", 0, false, 0 }, + { AArch64::LD1Twov4s, "ld1", ".4s", 0, false, 0 }, + { AArch64::LD1Twov2d, "ld1", ".2d", 0, false, 0 }, + { AArch64::LD1Twov8b, "ld1", ".8b", 0, false, 0 }, + { AArch64::LD1Twov4h, "ld1", ".4h", 0, false, 0 }, + { AArch64::LD1Twov2s, "ld1", ".2s", 0, false, 0 }, + { AArch64::LD1Twov1d, "ld1", ".1d", 0, false, 0 }, + { AArch64::LD1Twov16b_POST, "ld1", ".16b", 1, false, 32 }, + { AArch64::LD1Twov8h_POST, "ld1", ".8h", 1, false, 32 }, + { AArch64::LD1Twov4s_POST, "ld1", ".4s", 1, false, 32 }, + { AArch64::LD1Twov2d_POST, "ld1", ".2d", 1, false, 32 }, + { AArch64::LD1Twov8b_POST, "ld1", ".8b", 1, false, 16 }, + { AArch64::LD1Twov4h_POST, "ld1", ".4h", 1, false, 16 }, + { AArch64::LD1Twov2s_POST, "ld1", ".2s", 1, false, 16 }, + { AArch64::LD1Twov1d_POST, "ld1", ".1d", 1, false, 16 }, + { AArch64::LD1Threev16b, "ld1", ".16b", 0, false, 0 }, + { AArch64::LD1Threev8h, "ld1", ".8h", 0, false, 0 }, + { AArch64::LD1Threev4s, "ld1", ".4s", 0, false, 0 }, + { AArch64::LD1Threev2d, "ld1", ".2d", 0, false, 0 }, + { AArch64::LD1Threev8b, "ld1", ".8b", 0, false, 0 }, + { AArch64::LD1Threev4h, "ld1", ".4h", 0, false, 0 }, + { AArch64::LD1Threev2s, "ld1", ".2s", 0, false, 0 }, + { AArch64::LD1Threev1d, "ld1", ".1d", 0, false, 0 }, + { AArch64::LD1Threev16b_POST, "ld1", ".16b", 1, false, 48 }, + { AArch64::LD1Threev8h_POST, "ld1", ".8h", 1, false, 48 }, + { AArch64::LD1Threev4s_POST, "ld1", ".4s", 1, false, 48 }, + { AArch64::LD1Threev2d_POST, "ld1", ".2d", 1, false, 48 }, + { AArch64::LD1Threev8b_POST, "ld1", ".8b", 1, false, 24 }, + { AArch64::LD1Threev4h_POST, "ld1", ".4h", 1, false, 24 }, + { AArch64::LD1Threev2s_POST, "ld1", ".2s", 1, false, 24 }, + { AArch64::LD1Threev1d_POST, "ld1", ".1d", 1, false, 24 }, + { AArch64::LD1Fourv16b, "ld1", ".16b", 0, false, 0 }, + { AArch64::LD1Fourv8h, "ld1", ".8h", 0, false, 0 }, + { AArch64::LD1Fourv4s, "ld1", ".4s", 0, false, 0 }, + { AArch64::LD1Fourv2d, "ld1", ".2d", 0, false, 0 }, + { AArch64::LD1Fourv8b, "ld1", ".8b", 0, false, 0 }, + { AArch64::LD1Fourv4h, "ld1", ".4h", 0, false, 0 }, + { AArch64::LD1Fourv2s, "ld1", ".2s", 0, false, 0 }, + { AArch64::LD1Fourv1d, "ld1", ".1d", 0, false, 0 }, + { AArch64::LD1Fourv16b_POST, "ld1", ".16b", 1, false, 64 }, + { AArch64::LD1Fourv8h_POST, "ld1", ".8h", 1, false, 64 }, + { AArch64::LD1Fourv4s_POST, "ld1", ".4s", 1, false, 64 }, + { AArch64::LD1Fourv2d_POST, "ld1", ".2d", 1, false, 64 }, + { AArch64::LD1Fourv8b_POST, "ld1", ".8b", 1, false, 32 }, + { AArch64::LD1Fourv4h_POST, "ld1", ".4h", 1, false, 32 }, + { AArch64::LD1Fourv2s_POST, "ld1", ".2s", 1, false, 32 }, + { AArch64::LD1Fourv1d_POST, "ld1", ".1d", 1, false, 32 }, + { AArch64::LD2i8, "ld2", ".b", 1, true, 0 }, + { AArch64::LD2i16, "ld2", ".h", 1, true, 0 }, + { AArch64::LD2i32, "ld2", ".s", 1, true, 0 }, + { AArch64::LD2i64, "ld2", ".d", 1, true, 0 }, + { AArch64::LD2i8_POST, "ld2", ".b", 2, true, 2 }, + { AArch64::LD2i16_POST, "ld2", ".h", 2, true, 4 }, + { AArch64::LD2i32_POST, "ld2", ".s", 2, true, 8 }, + { AArch64::LD2i64_POST, "ld2", ".d", 2, true, 16 }, + { AArch64::LD2Rv16b, "ld2r", ".16b", 0, false, 0 }, + { AArch64::LD2Rv8h, "ld2r", ".8h", 0, false, 0 }, + { AArch64::LD2Rv4s, "ld2r", ".4s", 0, false, 0 }, + { AArch64::LD2Rv2d, "ld2r", ".2d", 0, false, 0 }, + { AArch64::LD2Rv8b, "ld2r", ".8b", 0, false, 0 }, + { AArch64::LD2Rv4h, "ld2r", ".4h", 0, false, 0 }, + { AArch64::LD2Rv2s, "ld2r", ".2s", 0, false, 0 }, + { AArch64::LD2Rv1d, "ld2r", ".1d", 0, false, 0 }, + { AArch64::LD2Rv16b_POST, "ld2r", ".16b", 1, false, 2 }, + { AArch64::LD2Rv8h_POST, "ld2r", ".8h", 1, false, 4 }, + { AArch64::LD2Rv4s_POST, "ld2r", ".4s", 1, false, 8 }, + { AArch64::LD2Rv2d_POST, "ld2r", ".2d", 1, false, 16 }, + { AArch64::LD2Rv8b_POST, "ld2r", ".8b", 1, false, 2 }, + { AArch64::LD2Rv4h_POST, "ld2r", ".4h", 1, false, 4 }, + { AArch64::LD2Rv2s_POST, "ld2r", ".2s", 1, false, 8 }, + { AArch64::LD2Rv1d_POST, "ld2r", ".1d", 1, false, 16 }, + { AArch64::LD2Twov16b, "ld2", ".16b", 0, false, 0 }, + { AArch64::LD2Twov8h, "ld2", ".8h", 0, false, 0 }, + { AArch64::LD2Twov4s, "ld2", ".4s", 0, false, 0 }, + { AArch64::LD2Twov2d, "ld2", ".2d", 0, false, 0 }, + { AArch64::LD2Twov8b, "ld2", ".8b", 0, false, 0 }, + { AArch64::LD2Twov4h, "ld2", ".4h", 0, false, 0 }, + { AArch64::LD2Twov2s, "ld2", ".2s", 0, false, 0 }, + { AArch64::LD2Twov16b_POST, "ld2", ".16b", 1, false, 32 }, + { AArch64::LD2Twov8h_POST, "ld2", ".8h", 1, false, 32 }, + { AArch64::LD2Twov4s_POST, "ld2", ".4s", 1, false, 32 }, + { AArch64::LD2Twov2d_POST, "ld2", ".2d", 1, false, 32 }, + { AArch64::LD2Twov8b_POST, "ld2", ".8b", 1, false, 16 }, + { AArch64::LD2Twov4h_POST, "ld2", ".4h", 1, false, 16 }, + { AArch64::LD2Twov2s_POST, "ld2", ".2s", 1, false, 16 }, + { AArch64::LD3i8, "ld3", ".b", 1, true, 0 }, + { AArch64::LD3i16, "ld3", ".h", 1, true, 0 }, + { AArch64::LD3i32, "ld3", ".s", 1, true, 0 }, + { AArch64::LD3i64, "ld3", ".d", 1, true, 0 }, + { AArch64::LD3i8_POST, "ld3", ".b", 2, true, 3 }, + { AArch64::LD3i16_POST, "ld3", ".h", 2, true, 6 }, + { AArch64::LD3i32_POST, "ld3", ".s", 2, true, 12 }, + { AArch64::LD3i64_POST, "ld3", ".d", 2, true, 24 }, + { AArch64::LD3Rv16b, "ld3r", ".16b", 0, false, 0 }, + { AArch64::LD3Rv8h, "ld3r", ".8h", 0, false, 0 }, + { AArch64::LD3Rv4s, "ld3r", ".4s", 0, false, 0 }, + { AArch64::LD3Rv2d, "ld3r", ".2d", 0, false, 0 }, + { AArch64::LD3Rv8b, "ld3r", ".8b", 0, false, 0 }, + { AArch64::LD3Rv4h, "ld3r", ".4h", 0, false, 0 }, + { AArch64::LD3Rv2s, "ld3r", ".2s", 0, false, 0 }, + { AArch64::LD3Rv1d, "ld3r", ".1d", 0, false, 0 }, + { AArch64::LD3Rv16b_POST, "ld3r", ".16b", 1, false, 3 }, + { AArch64::LD3Rv8h_POST, "ld3r", ".8h", 1, false, 6 }, + { AArch64::LD3Rv4s_POST, "ld3r", ".4s", 1, false, 12 }, + { AArch64::LD3Rv2d_POST, "ld3r", ".2d", 1, false, 24 }, + { AArch64::LD3Rv8b_POST, "ld3r", ".8b", 1, false, 3 }, + { AArch64::LD3Rv4h_POST, "ld3r", ".4h", 1, false, 6 }, + { AArch64::LD3Rv2s_POST, "ld3r", ".2s", 1, false, 12 }, + { AArch64::LD3Rv1d_POST, "ld3r", ".1d", 1, false, 24 }, + { AArch64::LD3Threev16b, "ld3", ".16b", 0, false, 0 }, + { AArch64::LD3Threev8h, "ld3", ".8h", 0, false, 0 }, + { AArch64::LD3Threev4s, "ld3", ".4s", 0, false, 0 }, + { AArch64::LD3Threev2d, "ld3", ".2d", 0, false, 0 }, + { AArch64::LD3Threev8b, "ld3", ".8b", 0, false, 0 }, + { AArch64::LD3Threev4h, "ld3", ".4h", 0, false, 0 }, + { AArch64::LD3Threev2s, "ld3", ".2s", 0, false, 0 }, + { AArch64::LD3Threev16b_POST, "ld3", ".16b", 1, false, 48 }, + { AArch64::LD3Threev8h_POST, "ld3", ".8h", 1, false, 48 }, + { AArch64::LD3Threev4s_POST, "ld3", ".4s", 1, false, 48 }, + { AArch64::LD3Threev2d_POST, "ld3", ".2d", 1, false, 48 }, + { AArch64::LD3Threev8b_POST, "ld3", ".8b", 1, false, 24 }, + { AArch64::LD3Threev4h_POST, "ld3", ".4h", 1, false, 24 }, + { AArch64::LD3Threev2s_POST, "ld3", ".2s", 1, false, 24 }, + { AArch64::LD4i8, "ld4", ".b", 1, true, 0 }, + { AArch64::LD4i16, "ld4", ".h", 1, true, 0 }, + { AArch64::LD4i32, "ld4", ".s", 1, true, 0 }, + { AArch64::LD4i64, "ld4", ".d", 1, true, 0 }, + { AArch64::LD4i8_POST, "ld4", ".b", 2, true, 4 }, + { AArch64::LD4i16_POST, "ld4", ".h", 2, true, 8 }, + { AArch64::LD4i32_POST, "ld4", ".s", 2, true, 16 }, + { AArch64::LD4i64_POST, "ld4", ".d", 2, true, 32 }, + { AArch64::LD4Rv16b, "ld4r", ".16b", 0, false, 0 }, + { AArch64::LD4Rv8h, "ld4r", ".8h", 0, false, 0 }, + { AArch64::LD4Rv4s, "ld4r", ".4s", 0, false, 0 }, + { AArch64::LD4Rv2d, "ld4r", ".2d", 0, false, 0 }, + { AArch64::LD4Rv8b, "ld4r", ".8b", 0, false, 0 }, + { AArch64::LD4Rv4h, "ld4r", ".4h", 0, false, 0 }, + { AArch64::LD4Rv2s, "ld4r", ".2s", 0, false, 0 }, + { AArch64::LD4Rv1d, "ld4r", ".1d", 0, false, 0 }, + { AArch64::LD4Rv16b_POST, "ld4r", ".16b", 1, false, 4 }, + { AArch64::LD4Rv8h_POST, "ld4r", ".8h", 1, false, 8 }, + { AArch64::LD4Rv4s_POST, "ld4r", ".4s", 1, false, 16 }, + { AArch64::LD4Rv2d_POST, "ld4r", ".2d", 1, false, 32 }, + { AArch64::LD4Rv8b_POST, "ld4r", ".8b", 1, false, 4 }, + { AArch64::LD4Rv4h_POST, "ld4r", ".4h", 1, false, 8 }, + { AArch64::LD4Rv2s_POST, "ld4r", ".2s", 1, false, 16 }, + { AArch64::LD4Rv1d_POST, "ld4r", ".1d", 1, false, 32 }, + { AArch64::LD4Fourv16b, "ld4", ".16b", 0, false, 0 }, + { AArch64::LD4Fourv8h, "ld4", ".8h", 0, false, 0 }, + { AArch64::LD4Fourv4s, "ld4", ".4s", 0, false, 0 }, + { AArch64::LD4Fourv2d, "ld4", ".2d", 0, false, 0 }, + { AArch64::LD4Fourv8b, "ld4", ".8b", 0, false, 0 }, + { AArch64::LD4Fourv4h, "ld4", ".4h", 0, false, 0 }, + { AArch64::LD4Fourv2s, "ld4", ".2s", 0, false, 0 }, + { AArch64::LD4Fourv16b_POST, "ld4", ".16b", 1, false, 64 }, + { AArch64::LD4Fourv8h_POST, "ld4", ".8h", 1, false, 64 }, + { AArch64::LD4Fourv4s_POST, "ld4", ".4s", 1, false, 64 }, + { AArch64::LD4Fourv2d_POST, "ld4", ".2d", 1, false, 64 }, + { AArch64::LD4Fourv8b_POST, "ld4", ".8b", 1, false, 32 }, + { AArch64::LD4Fourv4h_POST, "ld4", ".4h", 1, false, 32 }, + { AArch64::LD4Fourv2s_POST, "ld4", ".2s", 1, false, 32 }, + { AArch64::ST1i8, "st1", ".b", 0, true, 0 }, + { AArch64::ST1i16, "st1", ".h", 0, true, 0 }, + { AArch64::ST1i32, "st1", ".s", 0, true, 0 }, + { AArch64::ST1i64, "st1", ".d", 0, true, 0 }, + { AArch64::ST1i8_POST, "st1", ".b", 1, true, 1 }, + { AArch64::ST1i16_POST, "st1", ".h", 1, true, 2 }, + { AArch64::ST1i32_POST, "st1", ".s", 1, true, 4 }, + { AArch64::ST1i64_POST, "st1", ".d", 1, true, 8 }, + { AArch64::ST1Onev16b, "st1", ".16b", 0, false, 0 }, + { AArch64::ST1Onev8h, "st1", ".8h", 0, false, 0 }, + { AArch64::ST1Onev4s, "st1", ".4s", 0, false, 0 }, + { AArch64::ST1Onev2d, "st1", ".2d", 0, false, 0 }, + { AArch64::ST1Onev8b, "st1", ".8b", 0, false, 0 }, + { AArch64::ST1Onev4h, "st1", ".4h", 0, false, 0 }, + { AArch64::ST1Onev2s, "st1", ".2s", 0, false, 0 }, + { AArch64::ST1Onev1d, "st1", ".1d", 0, false, 0 }, + { AArch64::ST1Onev16b_POST, "st1", ".16b", 1, false, 16 }, + { AArch64::ST1Onev8h_POST, "st1", ".8h", 1, false, 16 }, + { AArch64::ST1Onev4s_POST, "st1", ".4s", 1, false, 16 }, + { AArch64::ST1Onev2d_POST, "st1", ".2d", 1, false, 16 }, + { AArch64::ST1Onev8b_POST, "st1", ".8b", 1, false, 8 }, + { AArch64::ST1Onev4h_POST, "st1", ".4h", 1, false, 8 }, + { AArch64::ST1Onev2s_POST, "st1", ".2s", 1, false, 8 }, + { AArch64::ST1Onev1d_POST, "st1", ".1d", 1, false, 8 }, + { AArch64::ST1Twov16b, "st1", ".16b", 0, false, 0 }, + { AArch64::ST1Twov8h, "st1", ".8h", 0, false, 0 }, + { AArch64::ST1Twov4s, "st1", ".4s", 0, false, 0 }, + { AArch64::ST1Twov2d, "st1", ".2d", 0, false, 0 }, + { AArch64::ST1Twov8b, "st1", ".8b", 0, false, 0 }, + { AArch64::ST1Twov4h, "st1", ".4h", 0, false, 0 }, + { AArch64::ST1Twov2s, "st1", ".2s", 0, false, 0 }, + { AArch64::ST1Twov1d, "st1", ".1d", 0, false, 0 }, + { AArch64::ST1Twov16b_POST, "st1", ".16b", 1, false, 32 }, + { AArch64::ST1Twov8h_POST, "st1", ".8h", 1, false, 32 }, + { AArch64::ST1Twov4s_POST, "st1", ".4s", 1, false, 32 }, + { AArch64::ST1Twov2d_POST, "st1", ".2d", 1, false, 32 }, + { AArch64::ST1Twov8b_POST, "st1", ".8b", 1, false, 16 }, + { AArch64::ST1Twov4h_POST, "st1", ".4h", 1, false, 16 }, + { AArch64::ST1Twov2s_POST, "st1", ".2s", 1, false, 16 }, + { AArch64::ST1Twov1d_POST, "st1", ".1d", 1, false, 16 }, + { AArch64::ST1Threev16b, "st1", ".16b", 0, false, 0 }, + { AArch64::ST1Threev8h, "st1", ".8h", 0, false, 0 }, + { AArch64::ST1Threev4s, "st1", ".4s", 0, false, 0 }, + { AArch64::ST1Threev2d, "st1", ".2d", 0, false, 0 }, + { AArch64::ST1Threev8b, "st1", ".8b", 0, false, 0 }, + { AArch64::ST1Threev4h, "st1", ".4h", 0, false, 0 }, + { AArch64::ST1Threev2s, "st1", ".2s", 0, false, 0 }, + { AArch64::ST1Threev1d, "st1", ".1d", 0, false, 0 }, + { AArch64::ST1Threev16b_POST, "st1", ".16b", 1, false, 48 }, + { AArch64::ST1Threev8h_POST, "st1", ".8h", 1, false, 48 }, + { AArch64::ST1Threev4s_POST, "st1", ".4s", 1, false, 48 }, + { AArch64::ST1Threev2d_POST, "st1", ".2d", 1, false, 48 }, + { AArch64::ST1Threev8b_POST, "st1", ".8b", 1, false, 24 }, + { AArch64::ST1Threev4h_POST, "st1", ".4h", 1, false, 24 }, + { AArch64::ST1Threev2s_POST, "st1", ".2s", 1, false, 24 }, + { AArch64::ST1Threev1d_POST, "st1", ".1d", 1, false, 24 }, + { AArch64::ST1Fourv16b, "st1", ".16b", 0, false, 0 }, + { AArch64::ST1Fourv8h, "st1", ".8h", 0, false, 0 }, + { AArch64::ST1Fourv4s, "st1", ".4s", 0, false, 0 }, + { AArch64::ST1Fourv2d, "st1", ".2d", 0, false, 0 }, + { AArch64::ST1Fourv8b, "st1", ".8b", 0, false, 0 }, + { AArch64::ST1Fourv4h, "st1", ".4h", 0, false, 0 }, + { AArch64::ST1Fourv2s, "st1", ".2s", 0, false, 0 }, + { AArch64::ST1Fourv1d, "st1", ".1d", 0, false, 0 }, + { AArch64::ST1Fourv16b_POST, "st1", ".16b", 1, false, 64 }, + { AArch64::ST1Fourv8h_POST, "st1", ".8h", 1, false, 64 }, + { AArch64::ST1Fourv4s_POST, "st1", ".4s", 1, false, 64 }, + { AArch64::ST1Fourv2d_POST, "st1", ".2d", 1, false, 64 }, + { AArch64::ST1Fourv8b_POST, "st1", ".8b", 1, false, 32 }, + { AArch64::ST1Fourv4h_POST, "st1", ".4h", 1, false, 32 }, + { AArch64::ST1Fourv2s_POST, "st1", ".2s", 1, false, 32 }, + { AArch64::ST1Fourv1d_POST, "st1", ".1d", 1, false, 32 }, + { AArch64::ST2i8, "st2", ".b", 0, true, 0 }, + { AArch64::ST2i16, "st2", ".h", 0, true, 0 }, + { AArch64::ST2i32, "st2", ".s", 0, true, 0 }, + { AArch64::ST2i64, "st2", ".d", 0, true, 0 }, + { AArch64::ST2i8_POST, "st2", ".b", 1, true, 2 }, + { AArch64::ST2i16_POST, "st2", ".h", 1, true, 4 }, + { AArch64::ST2i32_POST, "st2", ".s", 1, true, 8 }, + { AArch64::ST2i64_POST, "st2", ".d", 1, true, 16 }, + { AArch64::ST2Twov16b, "st2", ".16b", 0, false, 0 }, + { AArch64::ST2Twov8h, "st2", ".8h", 0, false, 0 }, + { AArch64::ST2Twov4s, "st2", ".4s", 0, false, 0 }, + { AArch64::ST2Twov2d, "st2", ".2d", 0, false, 0 }, + { AArch64::ST2Twov8b, "st2", ".8b", 0, false, 0 }, + { AArch64::ST2Twov4h, "st2", ".4h", 0, false, 0 }, + { AArch64::ST2Twov2s, "st2", ".2s", 0, false, 0 }, + { AArch64::ST2Twov16b_POST, "st2", ".16b", 1, false, 32 }, + { AArch64::ST2Twov8h_POST, "st2", ".8h", 1, false, 32 }, + { AArch64::ST2Twov4s_POST, "st2", ".4s", 1, false, 32 }, + { AArch64::ST2Twov2d_POST, "st2", ".2d", 1, false, 32 }, + { AArch64::ST2Twov8b_POST, "st2", ".8b", 1, false, 16 }, + { AArch64::ST2Twov4h_POST, "st2", ".4h", 1, false, 16 }, + { AArch64::ST2Twov2s_POST, "st2", ".2s", 1, false, 16 }, + { AArch64::ST3i8, "st3", ".b", 0, true, 0 }, + { AArch64::ST3i16, "st3", ".h", 0, true, 0 }, + { AArch64::ST3i32, "st3", ".s", 0, true, 0 }, + { AArch64::ST3i64, "st3", ".d", 0, true, 0 }, + { AArch64::ST3i8_POST, "st3", ".b", 1, true, 3 }, + { AArch64::ST3i16_POST, "st3", ".h", 1, true, 6 }, + { AArch64::ST3i32_POST, "st3", ".s", 1, true, 12 }, + { AArch64::ST3i64_POST, "st3", ".d", 1, true, 24 }, + { AArch64::ST3Threev16b, "st3", ".16b", 0, false, 0 }, + { AArch64::ST3Threev8h, "st3", ".8h", 0, false, 0 }, + { AArch64::ST3Threev4s, "st3", ".4s", 0, false, 0 }, + { AArch64::ST3Threev2d, "st3", ".2d", 0, false, 0 }, + { AArch64::ST3Threev8b, "st3", ".8b", 0, false, 0 }, + { AArch64::ST3Threev4h, "st3", ".4h", 0, false, 0 }, + { AArch64::ST3Threev2s, "st3", ".2s", 0, false, 0 }, + { AArch64::ST3Threev16b_POST, "st3", ".16b", 1, false, 48 }, + { AArch64::ST3Threev8h_POST, "st3", ".8h", 1, false, 48 }, + { AArch64::ST3Threev4s_POST, "st3", ".4s", 1, false, 48 }, + { AArch64::ST3Threev2d_POST, "st3", ".2d", 1, false, 48 }, + { AArch64::ST3Threev8b_POST, "st3", ".8b", 1, false, 24 }, + { AArch64::ST3Threev4h_POST, "st3", ".4h", 1, false, 24 }, + { AArch64::ST3Threev2s_POST, "st3", ".2s", 1, false, 24 }, + { AArch64::ST4i8, "st4", ".b", 0, true, 0 }, + { AArch64::ST4i16, "st4", ".h", 0, true, 0 }, + { AArch64::ST4i32, "st4", ".s", 0, true, 0 }, + { AArch64::ST4i64, "st4", ".d", 0, true, 0 }, + { AArch64::ST4i8_POST, "st4", ".b", 1, true, 4 }, + { AArch64::ST4i16_POST, "st4", ".h", 1, true, 8 }, + { AArch64::ST4i32_POST, "st4", ".s", 1, true, 16 }, + { AArch64::ST4i64_POST, "st4", ".d", 1, true, 32 }, + { AArch64::ST4Fourv16b, "st4", ".16b", 0, false, 0 }, + { AArch64::ST4Fourv8h, "st4", ".8h", 0, false, 0 }, + { AArch64::ST4Fourv4s, "st4", ".4s", 0, false, 0 }, + { AArch64::ST4Fourv2d, "st4", ".2d", 0, false, 0 }, + { AArch64::ST4Fourv8b, "st4", ".8b", 0, false, 0 }, + { AArch64::ST4Fourv4h, "st4", ".4h", 0, false, 0 }, + { AArch64::ST4Fourv2s, "st4", ".2s", 0, false, 0 }, + { AArch64::ST4Fourv16b_POST, "st4", ".16b", 1, false, 64 }, + { AArch64::ST4Fourv8h_POST, "st4", ".8h", 1, false, 64 }, + { AArch64::ST4Fourv4s_POST, "st4", ".4s", 1, false, 64 }, + { AArch64::ST4Fourv2d_POST, "st4", ".2d", 1, false, 64 }, + { AArch64::ST4Fourv8b_POST, "st4", ".8b", 1, false, 32 }, + { AArch64::ST4Fourv4h_POST, "st4", ".4h", 1, false, 32 }, + { AArch64::ST4Fourv2s_POST, "st4", ".2s", 1, false, 32 }, +}; + +static const LdStNInstrDesc *getLdStNInstrDesc(unsigned Opcode) { + unsigned Idx; + for (Idx = 0; Idx != array_lengthof(LdStNInstInfo); ++Idx) + if (LdStNInstInfo[Idx].Opcode == Opcode) + return &LdStNInstInfo[Idx]; + + return nullptr; +} + +void AArch64AppleInstPrinter::printInst(const MCInst *MI, raw_ostream &O, + StringRef Annot, + const MCSubtargetInfo &STI) { + unsigned Opcode = MI->getOpcode(); + StringRef Layout, Mnemonic; + + bool IsTbx; + if (isTblTbxInstruction(MI->getOpcode(), Layout, IsTbx)) { + O << "\t" << (IsTbx ? "tbx" : "tbl") << Layout << '\t' + << getRegisterName(MI->getOperand(0).getReg(), AArch64::vreg) << ", "; + + unsigned ListOpNum = IsTbx ? 2 : 1; + printVectorList(MI, ListOpNum, STI, O, ""); + + O << ", " + << getRegisterName(MI->getOperand(ListOpNum + 1).getReg(), AArch64::vreg); + printAnnotation(O, Annot); + return; + } + + if (const LdStNInstrDesc *LdStDesc = getLdStNInstrDesc(Opcode)) { + O << "\t" << LdStDesc->Mnemonic << LdStDesc->Layout << '\t'; + + // Now onto the operands: first a vector list with possible lane + // specifier. E.g. { v0 }[2] + int OpNum = LdStDesc->ListOperand; + printVectorList(MI, OpNum++, STI, O, ""); + + if (LdStDesc->HasLane) + O << '[' << MI->getOperand(OpNum++).getImm() << ']'; + + // Next the address: [xN] + unsigned AddrReg = MI->getOperand(OpNum++).getReg(); + O << ", [" << getRegisterName(AddrReg) << ']'; + + // Finally, there might be a post-indexed offset. + if (LdStDesc->NaturalOffset != 0) { + unsigned Reg = MI->getOperand(OpNum++).getReg(); + if (Reg != AArch64::XZR) + O << ", " << getRegisterName(Reg); + else { + assert(LdStDesc->NaturalOffset && "no offset on post-inc instruction?"); + O << ", #" << LdStDesc->NaturalOffset; + } + } + + printAnnotation(O, Annot); + return; + } + + AArch64InstPrinter::printInst(MI, O, Annot, STI); +} + +bool AArch64InstPrinter::printSysAlias(const MCInst *MI, + const MCSubtargetInfo &STI, + raw_ostream &O) { +#ifndef NDEBUG + unsigned Opcode = MI->getOpcode(); + assert(Opcode == AArch64::SYSxt && "Invalid opcode for SYS alias!"); +#endif + + const char *Asm = nullptr; + const MCOperand &Op1 = MI->getOperand(0); + const MCOperand &Cn = MI->getOperand(1); + const MCOperand &Cm = MI->getOperand(2); + const MCOperand &Op2 = MI->getOperand(3); + + unsigned Op1Val = Op1.getImm(); + unsigned CnVal = Cn.getImm(); + unsigned CmVal = Cm.getImm(); + unsigned Op2Val = Op2.getImm(); + + if (CnVal == 7) { + switch (CmVal) { + default: + break; + + // IC aliases + case 1: + if (Op1Val == 0 && Op2Val == 0) + Asm = "ic\tialluis"; + break; + case 5: + if (Op1Val == 0 && Op2Val == 0) + Asm = "ic\tiallu"; + else if (Op1Val == 3 && Op2Val == 1) + Asm = "ic\tivau"; + break; + + // DC aliases + case 4: + if (Op1Val == 3 && Op2Val == 1) + Asm = "dc\tzva"; + break; + case 6: + if (Op1Val == 0 && Op2Val == 1) + Asm = "dc\tivac"; + if (Op1Val == 0 && Op2Val == 2) + Asm = "dc\tisw"; + break; + case 10: + if (Op1Val == 3 && Op2Val == 1) + Asm = "dc\tcvac"; + else if (Op1Val == 0 && Op2Val == 2) + Asm = "dc\tcsw"; + break; + case 11: + if (Op1Val == 3 && Op2Val == 1) + Asm = "dc\tcvau"; + break; + case 12: + if (Op1Val == 3 && Op2Val == 1 && + (STI.getFeatureBits()[AArch64::HasV8_2aOps])) + Asm = "dc\tcvap"; + break; + case 14: + if (Op1Val == 3 && Op2Val == 1) + Asm = "dc\tcivac"; + else if (Op1Val == 0 && Op2Val == 2) + Asm = "dc\tcisw"; + break; + + // AT aliases + case 8: + switch (Op1Val) { + default: + break; + case 0: + switch (Op2Val) { + default: + break; + case 0: Asm = "at\ts1e1r"; break; + case 1: Asm = "at\ts1e1w"; break; + case 2: Asm = "at\ts1e0r"; break; + case 3: Asm = "at\ts1e0w"; break; + } + break; + case 4: + switch (Op2Val) { + default: + break; + case 0: Asm = "at\ts1e2r"; break; + case 1: Asm = "at\ts1e2w"; break; + case 4: Asm = "at\ts12e1r"; break; + case 5: Asm = "at\ts12e1w"; break; + case 6: Asm = "at\ts12e0r"; break; + case 7: Asm = "at\ts12e0w"; break; + } + break; + case 6: + switch (Op2Val) { + default: + break; + case 0: Asm = "at\ts1e3r"; break; + case 1: Asm = "at\ts1e3w"; break; + } + break; + } + break; + case 9: + switch (Op1Val) { + default: + break; + case 0: + if (STI.getFeatureBits()[AArch64::HasV8_2aOps]) { + switch (Op2Val) { + default: + break; + case 0: Asm = "at\ts1e1rp"; break; + case 1: Asm = "at\ts1e1wp"; break; + } + } + break; + } + } + } else if (CnVal == 8) { + // TLBI aliases + switch (CmVal) { + default: + break; + case 3: + switch (Op1Val) { + default: + break; + case 0: + switch (Op2Val) { + default: + break; + case 0: Asm = "tlbi\tvmalle1is"; break; + case 1: Asm = "tlbi\tvae1is"; break; + case 2: Asm = "tlbi\taside1is"; break; + case 3: Asm = "tlbi\tvaae1is"; break; + case 5: Asm = "tlbi\tvale1is"; break; + case 7: Asm = "tlbi\tvaale1is"; break; + } + break; + case 4: + switch (Op2Val) { + default: + break; + case 0: Asm = "tlbi\talle2is"; break; + case 1: Asm = "tlbi\tvae2is"; break; + case 4: Asm = "tlbi\talle1is"; break; + case 5: Asm = "tlbi\tvale2is"; break; + case 6: Asm = "tlbi\tvmalls12e1is"; break; + } + break; + case 6: + switch (Op2Val) { + default: + break; + case 0: Asm = "tlbi\talle3is"; break; + case 1: Asm = "tlbi\tvae3is"; break; + case 5: Asm = "tlbi\tvale3is"; break; + } + break; + } + break; + case 0: + switch (Op1Val) { + default: + break; + case 4: + switch (Op2Val) { + default: + break; + case 1: Asm = "tlbi\tipas2e1is"; break; + case 5: Asm = "tlbi\tipas2le1is"; break; + } + break; + } + break; + case 4: + switch (Op1Val) { + default: + break; + case 4: + switch (Op2Val) { + default: + break; + case 1: Asm = "tlbi\tipas2e1"; break; + case 5: Asm = "tlbi\tipas2le1"; break; + } + break; + } + break; + case 7: + switch (Op1Val) { + default: + break; + case 0: + switch (Op2Val) { + default: + break; + case 0: Asm = "tlbi\tvmalle1"; break; + case 1: Asm = "tlbi\tvae1"; break; + case 2: Asm = "tlbi\taside1"; break; + case 3: Asm = "tlbi\tvaae1"; break; + case 5: Asm = "tlbi\tvale1"; break; + case 7: Asm = "tlbi\tvaale1"; break; + } + break; + case 4: + switch (Op2Val) { + default: + break; + case 0: Asm = "tlbi\talle2"; break; + case 1: Asm = "tlbi\tvae2"; break; + case 4: Asm = "tlbi\talle1"; break; + case 5: Asm = "tlbi\tvale2"; break; + case 6: Asm = "tlbi\tvmalls12e1"; break; + } + break; + case 6: + switch (Op2Val) { + default: + break; + case 0: Asm = "tlbi\talle3"; break; + case 1: Asm = "tlbi\tvae3"; break; + case 5: Asm = "tlbi\tvale3"; break; + } + break; + } + break; + } + } + + if (Asm) { + unsigned Reg = MI->getOperand(4).getReg(); + + O << '\t' << Asm; + if (StringRef(Asm).lower().find("all") == StringRef::npos) + O << ", " << getRegisterName(Reg); + } + + return Asm != nullptr; +} + +void AArch64InstPrinter::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(); + O << getRegisterName(Reg); + } else if (Op.isImm()) { + O << '#' << Op.getImm(); + } else { + assert(Op.isExpr() && "unknown operand kind in printOperand"); + Op.getExpr()->print(O, &MAI); + } +} + +void AArch64InstPrinter::printHexImm(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNo); + O << format("#%#llx", Op.getImm()); +} + +void AArch64InstPrinter::printPostIncOperand(const MCInst *MI, unsigned OpNo, + unsigned Imm, raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNo); + if (Op.isReg()) { + unsigned Reg = Op.getReg(); + if (Reg == AArch64::XZR) + O << "#" << Imm; + else + O << getRegisterName(Reg); + } else + llvm_unreachable("unknown operand kind in printPostIncOperand64"); +} + +void AArch64InstPrinter::printVRegOperand(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNo); + assert(Op.isReg() && "Non-register vreg operand!"); + unsigned Reg = Op.getReg(); + O << getRegisterName(Reg, AArch64::vreg); +} + +void AArch64InstPrinter::printSysCROperand(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNo); + assert(Op.isImm() && "System instruction C[nm] operands must be immediates!"); + O << "c" << Op.getImm(); +} + +void AArch64InstPrinter::printAddSubImm(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &MO = MI->getOperand(OpNum); + if (MO.isImm()) { + unsigned Val = (MO.getImm() & 0xfff); + assert(Val == MO.getImm() && "Add/sub immediate out of range!"); + unsigned Shift = + AArch64_AM::getShiftValue(MI->getOperand(OpNum + 1).getImm()); + O << '#' << Val; + if (Shift != 0) + printShifter(MI, OpNum + 1, STI, O); + + if (CommentStream) + *CommentStream << '=' << (Val << Shift) << '\n'; + } else { + assert(MO.isExpr() && "Unexpected operand type!"); + MO.getExpr()->print(O, &MAI); + printShifter(MI, OpNum + 1, STI, O); + } +} + +void AArch64InstPrinter::printLogicalImm32(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + uint64_t Val = MI->getOperand(OpNum).getImm(); + O << "#0x"; + O.write_hex(AArch64_AM::decodeLogicalImmediate(Val, 32)); +} + +void AArch64InstPrinter::printLogicalImm64(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + uint64_t Val = MI->getOperand(OpNum).getImm(); + O << "#0x"; + O.write_hex(AArch64_AM::decodeLogicalImmediate(Val, 64)); +} + +void AArch64InstPrinter::printShifter(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned Val = MI->getOperand(OpNum).getImm(); + // LSL #0 should not be printed. + if (AArch64_AM::getShiftType(Val) == AArch64_AM::LSL && + AArch64_AM::getShiftValue(Val) == 0) + return; + O << ", " << AArch64_AM::getShiftExtendName(AArch64_AM::getShiftType(Val)) + << " #" << AArch64_AM::getShiftValue(Val); +} + +void AArch64InstPrinter::printShiftedRegister(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + O << getRegisterName(MI->getOperand(OpNum).getReg()); + printShifter(MI, OpNum + 1, STI, O); +} + +void AArch64InstPrinter::printExtendedRegister(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + O << getRegisterName(MI->getOperand(OpNum).getReg()); + printArithExtend(MI, OpNum + 1, STI, O); +} + +void AArch64InstPrinter::printArithExtend(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned Val = MI->getOperand(OpNum).getImm(); + AArch64_AM::ShiftExtendType ExtType = AArch64_AM::getArithExtendType(Val); + unsigned ShiftVal = AArch64_AM::getArithShiftValue(Val); + + // If the destination or first source register operand is [W]SP, print + // UXTW/UXTX as LSL, and if the shift amount is also zero, print nothing at + // all. + if (ExtType == AArch64_AM::UXTW || ExtType == AArch64_AM::UXTX) { + unsigned Dest = MI->getOperand(0).getReg(); + unsigned Src1 = MI->getOperand(1).getReg(); + if ( ((Dest == AArch64::SP || Src1 == AArch64::SP) && + ExtType == AArch64_AM::UXTX) || + ((Dest == AArch64::WSP || Src1 == AArch64::WSP) && + ExtType == AArch64_AM::UXTW) ) { + if (ShiftVal != 0) + O << ", lsl #" << ShiftVal; + return; + } + } + O << ", " << AArch64_AM::getShiftExtendName(ExtType); + if (ShiftVal != 0) + O << " #" << ShiftVal; +} + +void AArch64InstPrinter::printMemExtend(const MCInst *MI, unsigned OpNum, + raw_ostream &O, char SrcRegKind, + unsigned Width) { + unsigned SignExtend = MI->getOperand(OpNum).getImm(); + unsigned DoShift = MI->getOperand(OpNum + 1).getImm(); + + // sxtw, sxtx, uxtw or lsl (== uxtx) + bool IsLSL = !SignExtend && SrcRegKind == 'x'; + if (IsLSL) + O << "lsl"; + else + O << (SignExtend ? 's' : 'u') << "xt" << SrcRegKind; + + if (DoShift || IsLSL) + O << " #" << Log2_32(Width / 8); +} + +void AArch64InstPrinter::printCondCode(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + AArch64CC::CondCode CC = (AArch64CC::CondCode)MI->getOperand(OpNum).getImm(); + O << AArch64CC::getCondCodeName(CC); +} + +void AArch64InstPrinter::printInverseCondCode(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + AArch64CC::CondCode CC = (AArch64CC::CondCode)MI->getOperand(OpNum).getImm(); + O << AArch64CC::getCondCodeName(AArch64CC::getInvertedCondCode(CC)); +} + +void AArch64InstPrinter::printAMNoIndex(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + O << '[' << getRegisterName(MI->getOperand(OpNum).getReg()) << ']'; +} + +template<int Scale> +void AArch64InstPrinter::printImmScale(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + O << '#' << Scale * MI->getOperand(OpNum).getImm(); +} + +void AArch64InstPrinter::printUImm12Offset(const MCInst *MI, unsigned OpNum, + unsigned Scale, raw_ostream &O) { + const MCOperand MO = MI->getOperand(OpNum); + if (MO.isImm()) { + O << "#" << (MO.getImm() * Scale); + } else { + assert(MO.isExpr() && "Unexpected operand type!"); + MO.getExpr()->print(O, &MAI); + } +} + +void AArch64InstPrinter::printAMIndexedWB(const MCInst *MI, unsigned OpNum, + unsigned Scale, raw_ostream &O) { + const MCOperand MO1 = MI->getOperand(OpNum + 1); + O << '[' << getRegisterName(MI->getOperand(OpNum).getReg()); + if (MO1.isImm()) { + O << ", #" << (MO1.getImm() * Scale); + } else { + assert(MO1.isExpr() && "Unexpected operand type!"); + O << ", "; + MO1.getExpr()->print(O, &MAI); + } + O << ']'; +} + +void AArch64InstPrinter::printPrefetchOp(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned prfop = MI->getOperand(OpNum).getImm(); + bool Valid; + StringRef Name = + AArch64PRFM::PRFMMapper().toString(prfop, STI.getFeatureBits(), Valid); + if (Valid) + O << Name; + else + O << '#' << prfop; +} + +void AArch64InstPrinter::printPSBHintOp(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned psbhintop = MI->getOperand(OpNum).getImm(); + bool Valid; + StringRef Name = + AArch64PSBHint::PSBHintMapper().toString(psbhintop, STI.getFeatureBits(), Valid); + if (Valid) + O << Name; + else + O << '#' << psbhintop; +} + +void AArch64InstPrinter::printFPImmOperand(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &MO = MI->getOperand(OpNum); + float FPImm = + MO.isFPImm() ? MO.getFPImm() : AArch64_AM::getFPImmFloat(MO.getImm()); + + // 8 decimal places are enough to perfectly represent permitted floats. + O << format("#%.8f", FPImm); +} + +static unsigned getNextVectorRegister(unsigned Reg, unsigned Stride = 1) { + while (Stride--) { + switch (Reg) { + default: + llvm_unreachable("Vector register expected!"); + case AArch64::Q0: Reg = AArch64::Q1; break; + case AArch64::Q1: Reg = AArch64::Q2; break; + case AArch64::Q2: Reg = AArch64::Q3; break; + case AArch64::Q3: Reg = AArch64::Q4; break; + case AArch64::Q4: Reg = AArch64::Q5; break; + case AArch64::Q5: Reg = AArch64::Q6; break; + case AArch64::Q6: Reg = AArch64::Q7; break; + case AArch64::Q7: Reg = AArch64::Q8; break; + case AArch64::Q8: Reg = AArch64::Q9; break; + case AArch64::Q9: Reg = AArch64::Q10; break; + case AArch64::Q10: Reg = AArch64::Q11; break; + case AArch64::Q11: Reg = AArch64::Q12; break; + case AArch64::Q12: Reg = AArch64::Q13; break; + case AArch64::Q13: Reg = AArch64::Q14; break; + case AArch64::Q14: Reg = AArch64::Q15; break; + case AArch64::Q15: Reg = AArch64::Q16; break; + case AArch64::Q16: Reg = AArch64::Q17; break; + case AArch64::Q17: Reg = AArch64::Q18; break; + case AArch64::Q18: Reg = AArch64::Q19; break; + case AArch64::Q19: Reg = AArch64::Q20; break; + case AArch64::Q20: Reg = AArch64::Q21; break; + case AArch64::Q21: Reg = AArch64::Q22; break; + case AArch64::Q22: Reg = AArch64::Q23; break; + case AArch64::Q23: Reg = AArch64::Q24; break; + case AArch64::Q24: Reg = AArch64::Q25; break; + case AArch64::Q25: Reg = AArch64::Q26; break; + case AArch64::Q26: Reg = AArch64::Q27; break; + case AArch64::Q27: Reg = AArch64::Q28; break; + case AArch64::Q28: Reg = AArch64::Q29; break; + case AArch64::Q29: Reg = AArch64::Q30; break; + case AArch64::Q30: Reg = AArch64::Q31; break; + // Vector lists can wrap around. + case AArch64::Q31: + Reg = AArch64::Q0; + break; + } + } + return Reg; +} + +template<unsigned size> +void AArch64InstPrinter::printGPRSeqPairsClassOperand(const MCInst *MI, + unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + static_assert(size == 64 || size == 32, + "Template parameter must be either 32 or 64"); + unsigned Reg = MI->getOperand(OpNum).getReg(); + + unsigned Sube = (size == 32) ? AArch64::sube32 : AArch64::sube64; + unsigned Subo = (size == 32) ? AArch64::subo32 : AArch64::subo64; + + unsigned Even = MRI.getSubReg(Reg, Sube); + unsigned Odd = MRI.getSubReg(Reg, Subo); + O << getRegisterName(Even) << ", " << getRegisterName(Odd); +} + +void AArch64InstPrinter::printVectorList(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O, + StringRef LayoutSuffix) { + unsigned Reg = MI->getOperand(OpNum).getReg(); + + O << "{ "; + + // Work out how many registers there are in the list (if there is an actual + // list). + unsigned NumRegs = 1; + if (MRI.getRegClass(AArch64::DDRegClassID).contains(Reg) || + MRI.getRegClass(AArch64::QQRegClassID).contains(Reg)) + NumRegs = 2; + else if (MRI.getRegClass(AArch64::DDDRegClassID).contains(Reg) || + MRI.getRegClass(AArch64::QQQRegClassID).contains(Reg)) + NumRegs = 3; + else if (MRI.getRegClass(AArch64::DDDDRegClassID).contains(Reg) || + MRI.getRegClass(AArch64::QQQQRegClassID).contains(Reg)) + NumRegs = 4; + + // Now forget about the list and find out what the first register is. + if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::dsub0)) + Reg = FirstReg; + else if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::qsub0)) + Reg = FirstReg; + + // If it's a D-reg, we need to promote it to the equivalent Q-reg before + // printing (otherwise getRegisterName fails). + if (MRI.getRegClass(AArch64::FPR64RegClassID).contains(Reg)) { + const MCRegisterClass &FPR128RC = + MRI.getRegClass(AArch64::FPR128RegClassID); + Reg = MRI.getMatchingSuperReg(Reg, AArch64::dsub, &FPR128RC); + } + + for (unsigned i = 0; i < NumRegs; ++i, Reg = getNextVectorRegister(Reg)) { + O << getRegisterName(Reg, AArch64::vreg) << LayoutSuffix; + if (i + 1 != NumRegs) + O << ", "; + } + + O << " }"; +} + +void +AArch64InstPrinter::printImplicitlyTypedVectorList(const MCInst *MI, + unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + printVectorList(MI, OpNum, STI, O, ""); +} + +template <unsigned NumLanes, char LaneKind> +void AArch64InstPrinter::printTypedVectorList(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + std::string Suffix("."); + if (NumLanes) + Suffix += itostr(NumLanes) + LaneKind; + else + Suffix += LaneKind; + + printVectorList(MI, OpNum, STI, O, Suffix); +} + +void AArch64InstPrinter::printVectorIndex(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + O << "[" << MI->getOperand(OpNum).getImm() << "]"; +} + +void AArch64InstPrinter::printAlignedLabel(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNum); + + // If the label has already been resolved to an immediate offset (say, when + // we're running the disassembler), just print the immediate. + if (Op.isImm()) { + O << "#" << (Op.getImm() * 4); + return; + } + + // If the branch target is simply an address then print it in hex. + const MCConstantExpr *BranchTarget = + dyn_cast<MCConstantExpr>(MI->getOperand(OpNum).getExpr()); + int64_t Address; + if (BranchTarget && BranchTarget->evaluateAsAbsolute(Address)) { + O << "0x"; + O.write_hex(Address); + } else { + // Otherwise, just print the expression. + MI->getOperand(OpNum).getExpr()->print(O, &MAI); + } +} + +void AArch64InstPrinter::printAdrpLabel(const MCInst *MI, unsigned OpNum, + const MCSubtargetInfo &STI, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNum); + + // If the label has already been resolved to an immediate offset (say, when + // we're running the disassembler), just print the immediate. + if (Op.isImm()) { + O << "#" << (Op.getImm() * (1 << 12)); + return; + } + + // Otherwise, just print the expression. + MI->getOperand(OpNum).getExpr()->print(O, &MAI); +} + +void AArch64InstPrinter::printBarrierOption(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned Val = MI->getOperand(OpNo).getImm(); + unsigned Opcode = MI->getOpcode(); + + bool Valid; + StringRef Name; + if (Opcode == AArch64::ISB) + Name = AArch64ISB::ISBMapper().toString(Val, STI.getFeatureBits(), + Valid); + else + Name = AArch64DB::DBarrierMapper().toString(Val, STI.getFeatureBits(), + Valid); + if (Valid) + O << Name; + else + O << "#" << Val; +} + +void AArch64InstPrinter::printMRSSystemRegister(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned Val = MI->getOperand(OpNo).getImm(); + + auto Mapper = AArch64SysReg::MRSMapper(); + std::string Name = Mapper.toString(Val, STI.getFeatureBits()); + + O << StringRef(Name).upper(); +} + +void AArch64InstPrinter::printMSRSystemRegister(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned Val = MI->getOperand(OpNo).getImm(); + + auto Mapper = AArch64SysReg::MSRMapper(); + std::string Name = Mapper.toString(Val, STI.getFeatureBits()); + + O << StringRef(Name).upper(); +} + +void AArch64InstPrinter::printSystemPStateField(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned Val = MI->getOperand(OpNo).getImm(); + + bool Valid; + StringRef Name = + AArch64PState::PStateMapper().toString(Val, STI.getFeatureBits(), Valid); + if (Valid) + O << Name.upper(); + else + O << "#" << Val; +} + +void AArch64InstPrinter::printSIMDType10Operand(const MCInst *MI, unsigned OpNo, + const MCSubtargetInfo &STI, + raw_ostream &O) { + unsigned RawVal = MI->getOperand(OpNo).getImm(); + uint64_t Val = AArch64_AM::decodeAdvSIMDModImmType10(RawVal); + O << format("#%#016llx", Val); +} |