| //==-- 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/ADT/StringRef.h" |
| #include "llvm/MC/MCAsmInfo.h" |
| #include "llvm/MC/MCExpr.h" |
| #include "llvm/MC/MCInst.h" |
| #include "llvm/MC/MCRegisterInfo.h" |
| #include "llvm/MC/MCSubtargetInfo.h" |
| #include "llvm/Support/Casting.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/Format.h" |
| #include "llvm/Support/MathExtras.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <cassert> |
| #include <cstdint> |
| #include <string> |
| |
| 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; |
| } |
| |
| // MOVZ, MOVN and "ORR wzr, #imm" instructions are aliases for MOV, but their |
| // domains overlap so they need to be prioritized. The chain is "MOVZ lsl #0 > |
| // MOVZ lsl #N > MOVN lsl #0 > MOVN lsl #N > ORR". The highest instruction |
| // that can represent the move is the MOV alias, and the rest get printed |
| // normally. |
| if ((Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi) && |
| MI->getOperand(1).isImm() && MI->getOperand(2).isImm()) { |
| int RegWidth = Opcode == AArch64::MOVZXi ? 64 : 32; |
| int Shift = MI->getOperand(2).getImm(); |
| uint64_t Value = (uint64_t)MI->getOperand(1).getImm() << Shift; |
| |
| if (AArch64_AM::isMOVZMovAlias(Value, Shift, |
| Opcode == AArch64::MOVZXi ? 64 : 32)) { |
| O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #" |
| << formatImm(SignExtend64(Value, RegWidth)); |
| return; |
| } |
| } |
| |
| if ((Opcode == AArch64::MOVNXi || Opcode == AArch64::MOVNWi) && |
| MI->getOperand(1).isImm() && MI->getOperand(2).isImm()) { |
| int RegWidth = Opcode == AArch64::MOVNXi ? 64 : 32; |
| int Shift = MI->getOperand(2).getImm(); |
| uint64_t Value = ~((uint64_t)MI->getOperand(1).getImm() << Shift); |
| if (RegWidth == 32) |
| Value = Value & 0xffffffff; |
| |
| if (AArch64_AM::isMOVNMovAlias(Value, Shift, RegWidth)) { |
| O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #" |
| << formatImm(SignExtend64(Value, RegWidth)); |
| return; |
| } |
| } |
| |
| if ((Opcode == AArch64::ORRXri || Opcode == AArch64::ORRWri) && |
| (MI->getOperand(1).getReg() == AArch64::XZR || |
| MI->getOperand(1).getReg() == AArch64::WZR) && |
| MI->getOperand(2).isImm()) { |
| int RegWidth = Opcode == AArch64::ORRXri ? 64 : 32; |
| uint64_t Value = AArch64_AM::decodeLogicalImmediate( |
| MI->getOperand(2).getImm(), RegWidth); |
| if (!AArch64_AM::isAnyMOVWMovAlias(Value, RegWidth)) { |
| O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #" |
| << formatImm(SignExtend64(Value, RegWidth)); |
| return; |
| } |
| } |
| |
| if (Opcode == AArch64::CompilerBarrier) { |
| O << '\t' << MAI.getCommentString() << " COMPILER BARRIER"; |
| printAnnotation(O, Annot); |
| return; |
| } |
| |
| // Instruction TSB is specified as a one operand instruction, but 'csync' is |
| // not encoded, so for printing it is treated as a special case here: |
| if (Opcode == AArch64::TSB) { |
| O << "\ttsb\tcsync"; |
| 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; |
| |
| 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 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(); |
| |
| uint16_t Encoding = Op2Val; |
| Encoding |= CmVal << 3; |
| Encoding |= CnVal << 7; |
| Encoding |= Op1Val << 11; |
| |
| bool NeedsReg; |
| std::string Ins; |
| std::string Name; |
| |
| if (CnVal == 7) { |
| switch (CmVal) { |
| default: return false; |
| // IC aliases |
| case 1: case 5: { |
| const AArch64IC::IC *IC = AArch64IC::lookupICByEncoding(Encoding); |
| if (!IC || !IC->haveFeatures(STI.getFeatureBits())) |
| return false; |
| |
| NeedsReg = IC->NeedsReg; |
| Ins = "ic\t"; |
| Name = std::string(IC->Name); |
| } |
| break; |
| // DC aliases |
| case 4: case 6: case 10: case 11: case 12: case 14: |
| { |
| const AArch64DC::DC *DC = AArch64DC::lookupDCByEncoding(Encoding); |
| if (!DC || !DC->haveFeatures(STI.getFeatureBits())) |
| return false; |
| |
| NeedsReg = true; |
| Ins = "dc\t"; |
| Name = std::string(DC->Name); |
| } |
| break; |
| // AT aliases |
| case 8: case 9: { |
| const AArch64AT::AT *AT = AArch64AT::lookupATByEncoding(Encoding); |
| if (!AT || !AT->haveFeatures(STI.getFeatureBits())) |
| return false; |
| |
| NeedsReg = true; |
| Ins = "at\t"; |
| Name = std::string(AT->Name); |
| } |
| break; |
| } |
| } else if (CnVal == 8) { |
| // TLBI aliases |
| const AArch64TLBI::TLBI *TLBI = AArch64TLBI::lookupTLBIByEncoding(Encoding); |
| if (!TLBI || !TLBI->haveFeatures(STI.getFeatureBits())) |
| return false; |
| |
| NeedsReg = TLBI->NeedsReg; |
| Ins = "tlbi\t"; |
| Name = std::string(TLBI->Name); |
| } |
| else |
| return false; |
| |
| std::string Str = Ins + Name; |
| std::transform(Str.begin(), Str.end(), Str.begin(), ::tolower); |
| |
| O << '\t' << Str; |
| if (NeedsReg) |
| O << ", " << getRegisterName(MI->getOperand(4).getReg()); |
| |
| return true; |
| } |
| |
| 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()) { |
| printImm(MI, OpNo, STI, O); |
| } else { |
| assert(Op.isExpr() && "unknown operand kind in printOperand"); |
| Op.getExpr()->print(O, &MAI); |
| } |
| } |
| |
| void AArch64InstPrinter::printImm(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| const MCOperand &Op = MI->getOperand(OpNo); |
| O << "#" << formatImm(Op.getImm()); |
| } |
| |
| void AArch64InstPrinter::printImmHex(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 << '#' << formatImm(Val); |
| if (Shift != 0) |
| printShifter(MI, OpNum + 1, STI, O); |
| |
| if (CommentStream) |
| *CommentStream << '=' << formatImm(Val << Shift) << '\n'; |
| } else { |
| assert(MO.isExpr() && "Unexpected operand type!"); |
| MO.getExpr()->print(O, &MAI); |
| printShifter(MI, OpNum + 1, STI, O); |
| } |
| } |
| |
| template <typename T> |
| void AArch64InstPrinter::printLogicalImm(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, 8 * sizeof(T))); |
| } |
| |
| 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; |
| } |
| |
| static void printMemExtendImpl(bool SignExtend, bool DoShift, |
| unsigned Width, char SrcRegKind, |
| raw_ostream &O) { |
| // 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::printMemExtend(const MCInst *MI, unsigned OpNum, |
| raw_ostream &O, char SrcRegKind, |
| unsigned Width) { |
| bool SignExtend = MI->getOperand(OpNum).getImm(); |
| bool DoShift = MI->getOperand(OpNum + 1).getImm(); |
| printMemExtendImpl(SignExtend, DoShift, Width, SrcRegKind, O); |
| } |
| |
| template <bool SignExtend, int ExtWidth, char SrcRegKind, char Suffix> |
| void AArch64InstPrinter::printRegWithShiftExtend(const MCInst *MI, |
| unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printOperand(MI, OpNum, STI, O); |
| if (Suffix == 's' || Suffix == 'd') |
| O << '.' << Suffix; |
| else |
| assert(Suffix == 0 && "Unsupported suffix size"); |
| |
| bool DoShift = ExtWidth != 8; |
| if (SignExtend || DoShift || SrcRegKind == 'w') { |
| O << ", "; |
| printMemExtendImpl(SignExtend, DoShift, ExtWidth, SrcRegKind, O); |
| } |
| } |
| |
| 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 << '#' << formatImm(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 << "#" << formatImm(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 << ", #" << formatImm(MO1.getImm() * Scale); |
| } else { |
| assert(MO1.isExpr() && "Unexpected operand type!"); |
| O << ", "; |
| MO1.getExpr()->print(O, &MAI); |
| } |
| O << ']'; |
| } |
| |
| template <bool IsSVEPrefetch> |
| void AArch64InstPrinter::printPrefetchOp(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned prfop = MI->getOperand(OpNum).getImm(); |
| if (IsSVEPrefetch) { |
| if (auto PRFM = AArch64SVEPRFM::lookupSVEPRFMByEncoding(prfop)) { |
| O << PRFM->Name; |
| return; |
| } |
| } else if (auto PRFM = AArch64PRFM::lookupPRFMByEncoding(prfop)) { |
| O << PRFM->Name; |
| return; |
| } |
| |
| O << '#' << formatImm(prfop); |
| } |
| |
| void AArch64InstPrinter::printPSBHintOp(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned psbhintop = MI->getOperand(OpNum).getImm(); |
| auto PSB = AArch64PSBHint::lookupPSBByEncoding(psbhintop); |
| if (PSB) |
| O << PSB->Name; |
| else |
| O << '#' << formatImm(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; |
| case AArch64::Z0: Reg = AArch64::Z1; break; |
| case AArch64::Z1: Reg = AArch64::Z2; break; |
| case AArch64::Z2: Reg = AArch64::Z3; break; |
| case AArch64::Z3: Reg = AArch64::Z4; break; |
| case AArch64::Z4: Reg = AArch64::Z5; break; |
| case AArch64::Z5: Reg = AArch64::Z6; break; |
| case AArch64::Z6: Reg = AArch64::Z7; break; |
| case AArch64::Z7: Reg = AArch64::Z8; break; |
| case AArch64::Z8: Reg = AArch64::Z9; break; |
| case AArch64::Z9: Reg = AArch64::Z10; break; |
| case AArch64::Z10: Reg = AArch64::Z11; break; |
| case AArch64::Z11: Reg = AArch64::Z12; break; |
| case AArch64::Z12: Reg = AArch64::Z13; break; |
| case AArch64::Z13: Reg = AArch64::Z14; break; |
| case AArch64::Z14: Reg = AArch64::Z15; break; |
| case AArch64::Z15: Reg = AArch64::Z16; break; |
| case AArch64::Z16: Reg = AArch64::Z17; break; |
| case AArch64::Z17: Reg = AArch64::Z18; break; |
| case AArch64::Z18: Reg = AArch64::Z19; break; |
| case AArch64::Z19: Reg = AArch64::Z20; break; |
| case AArch64::Z20: Reg = AArch64::Z21; break; |
| case AArch64::Z21: Reg = AArch64::Z22; break; |
| case AArch64::Z22: Reg = AArch64::Z23; break; |
| case AArch64::Z23: Reg = AArch64::Z24; break; |
| case AArch64::Z24: Reg = AArch64::Z25; break; |
| case AArch64::Z25: Reg = AArch64::Z26; break; |
| case AArch64::Z26: Reg = AArch64::Z27; break; |
| case AArch64::Z27: Reg = AArch64::Z28; break; |
| case AArch64::Z28: Reg = AArch64::Z29; break; |
| case AArch64::Z29: Reg = AArch64::Z30; break; |
| case AArch64::Z30: Reg = AArch64::Z31; break; |
| // Vector lists can wrap around. |
| case AArch64::Z31: |
| Reg = AArch64::Z0; |
| 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::ZPR2RegClassID).contains(Reg) || |
| MRI.getRegClass(AArch64::QQRegClassID).contains(Reg)) |
| NumRegs = 2; |
| else if (MRI.getRegClass(AArch64::DDDRegClassID).contains(Reg) || |
| MRI.getRegClass(AArch64::ZPR3RegClassID).contains(Reg) || |
| MRI.getRegClass(AArch64::QQQRegClassID).contains(Reg)) |
| NumRegs = 3; |
| else if (MRI.getRegClass(AArch64::DDDDRegClassID).contains(Reg) || |
| MRI.getRegClass(AArch64::ZPR4RegClassID).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; |
| else if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::zsub0)) |
| 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)) { |
| if (MRI.getRegClass(AArch64::ZPRRegClassID).contains(Reg)) |
| O << getRegisterName(Reg) << LayoutSuffix; |
| else |
| 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 << "#" << formatImm(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 << "#" << formatImm(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(); |
| |
| StringRef Name; |
| if (Opcode == AArch64::ISB) { |
| auto ISB = AArch64ISB::lookupISBByEncoding(Val); |
| Name = ISB ? ISB->Name : ""; |
| } else if (Opcode == AArch64::TSB) { |
| auto TSB = AArch64TSB::lookupTSBByEncoding(Val); |
| Name = TSB ? TSB->Name : ""; |
| } else { |
| auto DB = AArch64DB::lookupDBByEncoding(Val); |
| Name = DB ? DB->Name : ""; |
| } |
| if (!Name.empty()) |
| 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(); |
| |
| // Horrible hack for the one register that has identical encodings but |
| // different names in MSR and MRS. Because of this, one of MRS and MSR is |
| // going to get the wrong entry |
| if (Val == AArch64SysReg::DBGDTRRX_EL0) { |
| O << "DBGDTRRX_EL0"; |
| return; |
| } |
| |
| const AArch64SysReg::SysReg *Reg = AArch64SysReg::lookupSysRegByEncoding(Val); |
| if (Reg && Reg->Readable && Reg->haveFeatures(STI.getFeatureBits())) |
| O << Reg->Name; |
| else |
| O << AArch64SysReg::genericRegisterString(Val); |
| } |
| |
| void AArch64InstPrinter::printMSRSystemRegister(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Val = MI->getOperand(OpNo).getImm(); |
| |
| // Horrible hack for the one register that has identical encodings but |
| // different names in MSR and MRS. Because of this, one of MRS and MSR is |
| // going to get the wrong entry |
| if (Val == AArch64SysReg::DBGDTRTX_EL0) { |
| O << "DBGDTRTX_EL0"; |
| return; |
| } |
| |
| const AArch64SysReg::SysReg *Reg = AArch64SysReg::lookupSysRegByEncoding(Val); |
| if (Reg && Reg->Writeable && Reg->haveFeatures(STI.getFeatureBits())) |
| O << Reg->Name; |
| else |
| O << AArch64SysReg::genericRegisterString(Val); |
| } |
| |
| void AArch64InstPrinter::printSystemPStateField(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Val = MI->getOperand(OpNo).getImm(); |
| |
| auto PState = AArch64PState::lookupPStateByEncoding(Val); |
| if (PState && PState->haveFeatures(STI.getFeatureBits())) |
| O << PState->Name; |
| else |
| O << "#" << formatImm(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); |
| } |
| |
| template<int64_t Angle, int64_t Remainder> |
| void AArch64InstPrinter::printComplexRotationOp(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Val = MI->getOperand(OpNo).getImm(); |
| O << "#" << (Val * Angle) + Remainder; |
| } |
| |
| void AArch64InstPrinter::printSVEPattern(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Val = MI->getOperand(OpNum).getImm(); |
| if (auto Pat = AArch64SVEPredPattern::lookupSVEPREDPATByEncoding(Val)) |
| O << Pat->Name; |
| else |
| O << '#' << formatImm(Val); |
| } |
| |
| template <char suffix> |
| void AArch64InstPrinter::printSVERegOp(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| switch (suffix) { |
| case 0: |
| case 'b': |
| case 'h': |
| case 's': |
| case 'd': |
| case 'q': |
| break; |
| default: llvm_unreachable("Invalid kind specifier."); |
| } |
| |
| unsigned Reg = MI->getOperand(OpNum).getReg(); |
| O << getRegisterName(Reg); |
| if (suffix != 0) |
| O << '.' << suffix; |
| } |
| |
| template <typename T> |
| void AArch64InstPrinter::printImmSVE(T Value, raw_ostream &O) { |
| typename std::make_unsigned<T>::type HexValue = Value; |
| |
| if (getPrintImmHex()) |
| O << '#' << formatHex((uint64_t)HexValue); |
| else |
| O << '#' << formatDec(Value); |
| |
| if (CommentStream) { |
| // Do the opposite to that used for instruction operands. |
| if (getPrintImmHex()) |
| *CommentStream << '=' << formatDec(HexValue) << '\n'; |
| else |
| *CommentStream << '=' << formatHex((uint64_t)Value) << '\n'; |
| } |
| } |
| |
| template <typename T> |
| void AArch64InstPrinter::printImm8OptLsl(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned UnscaledVal = MI->getOperand(OpNum).getImm(); |
| unsigned Shift = MI->getOperand(OpNum + 1).getImm(); |
| assert(AArch64_AM::getShiftType(Shift) == AArch64_AM::LSL && |
| "Unexepected shift type!"); |
| |
| // #0 lsl #8 is never pretty printed |
| if ((UnscaledVal == 0) && (AArch64_AM::getShiftValue(Shift) != 0)) { |
| O << '#' << formatImm(UnscaledVal); |
| printShifter(MI, OpNum + 1, STI, O); |
| return; |
| } |
| |
| T Val; |
| if (std::is_signed<T>()) |
| Val = (int8_t)UnscaledVal * (1 << AArch64_AM::getShiftValue(Shift)); |
| else |
| Val = (uint8_t)UnscaledVal * (1 << AArch64_AM::getShiftValue(Shift)); |
| |
| printImmSVE(Val, O); |
| } |
| |
| template <typename T> |
| void AArch64InstPrinter::printSVELogicalImm(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| typedef typename std::make_signed<T>::type SignedT; |
| typedef typename std::make_unsigned<T>::type UnsignedT; |
| |
| uint64_t Val = MI->getOperand(OpNum).getImm(); |
| UnsignedT PrintVal = AArch64_AM::decodeLogicalImmediate(Val, 64); |
| |
| // Prefer the default format for 16bit values, hex otherwise. |
| if ((int16_t)PrintVal == (SignedT)PrintVal) |
| printImmSVE((T)PrintVal, O); |
| else if ((uint16_t)PrintVal == PrintVal) |
| printImmSVE(PrintVal, O); |
| else |
| O << '#' << formatHex((uint64_t)PrintVal); |
| } |
| |
| template <int Width> |
| void AArch64InstPrinter::printZPRasFPR(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Base; |
| switch (Width) { |
| case 8: Base = AArch64::B0; break; |
| case 16: Base = AArch64::H0; break; |
| case 32: Base = AArch64::S0; break; |
| case 64: Base = AArch64::D0; break; |
| case 128: Base = AArch64::Q0; break; |
| default: |
| llvm_unreachable("Unsupported width"); |
| } |
| unsigned Reg = MI->getOperand(OpNum).getReg(); |
| O << getRegisterName(Reg - AArch64::Z0 + Base); |
| } |
| |
| template <unsigned ImmIs0, unsigned ImmIs1> |
| void AArch64InstPrinter::printExactFPImm(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| auto *Imm0Desc = AArch64ExactFPImm::lookupExactFPImmByEnum(ImmIs0); |
| auto *Imm1Desc = AArch64ExactFPImm::lookupExactFPImmByEnum(ImmIs1); |
| unsigned Val = MI->getOperand(OpNum).getImm(); |
| O << "#" << (Val ? Imm1Desc->Repr : Imm0Desc->Repr); |
| } |
| |
| void AArch64InstPrinter::printGPR64as32(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Reg = MI->getOperand(OpNum).getReg(); |
| O << getRegisterName(getWRegFromXReg(Reg)); |
| } |
