forked from OSchip/llvm-project
1546 lines
53 KiB
C++
1546 lines
53 KiB
C++
//===-- ARMInstPrinter.cpp - Convert ARM MCInst to assembly syntax --------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This class prints an ARM MCInst to a .s file.
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//
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//===----------------------------------------------------------------------===//
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#include "ARMInstPrinter.h"
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#include "Utils/ARMBaseInfo.h"
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#include "MCTargetDesc/ARMAddressingModes.h"
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#include "MCTargetDesc/ARMBaseInfo.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/MC/SubtargetFeature.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/MathExtras.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <cassert>
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#include <cstdint>
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using namespace llvm;
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#define DEBUG_TYPE "asm-printer"
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#define PRINT_ALIAS_INSTR
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#include "ARMGenAsmWriter.inc"
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/// translateShiftImm - Convert shift immediate from 0-31 to 1-32 for printing.
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///
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/// getSORegOffset returns an integer from 0-31, representing '32' as 0.
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static unsigned translateShiftImm(unsigned imm) {
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// lsr #32 and asr #32 exist, but should be encoded as a 0.
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assert((imm & ~0x1f) == 0 && "Invalid shift encoding");
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if (imm == 0)
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return 32;
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return imm;
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}
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/// Prints the shift value with an immediate value.
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static void printRegImmShift(raw_ostream &O, ARM_AM::ShiftOpc ShOpc,
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unsigned ShImm, bool UseMarkup) {
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if (ShOpc == ARM_AM::no_shift || (ShOpc == ARM_AM::lsl && !ShImm))
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return;
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O << ", ";
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assert(!(ShOpc == ARM_AM::ror && !ShImm) && "Cannot have ror #0");
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O << getShiftOpcStr(ShOpc);
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if (ShOpc != ARM_AM::rrx) {
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O << " ";
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if (UseMarkup)
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O << "<imm:";
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O << "#" << translateShiftImm(ShImm);
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if (UseMarkup)
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O << ">";
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}
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}
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ARMInstPrinter::ARMInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
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const MCRegisterInfo &MRI)
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: MCInstPrinter(MAI, MII, MRI) {}
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void ARMInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
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OS << markup("<reg:") << getRegisterName(RegNo) << markup(">");
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}
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void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
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StringRef Annot, const MCSubtargetInfo &STI) {
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unsigned Opcode = MI->getOpcode();
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switch (Opcode) {
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// Check for MOVs and print canonical forms, instead.
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case ARM::MOVsr: {
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// FIXME: Thumb variants?
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const MCOperand &Dst = MI->getOperand(0);
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const MCOperand &MO1 = MI->getOperand(1);
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const MCOperand &MO2 = MI->getOperand(2);
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const MCOperand &MO3 = MI->getOperand(3);
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O << '\t' << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO3.getImm()));
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printSBitModifierOperand(MI, 6, STI, O);
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printPredicateOperand(MI, 4, STI, O);
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O << '\t';
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printRegName(O, Dst.getReg());
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O << ", ";
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printRegName(O, MO1.getReg());
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O << ", ";
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printRegName(O, MO2.getReg());
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assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
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printAnnotation(O, Annot);
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return;
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}
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case ARM::MOVsi: {
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// FIXME: Thumb variants?
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const MCOperand &Dst = MI->getOperand(0);
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const MCOperand &MO1 = MI->getOperand(1);
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const MCOperand &MO2 = MI->getOperand(2);
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O << '\t' << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()));
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printSBitModifierOperand(MI, 5, STI, O);
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printPredicateOperand(MI, 3, STI, O);
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O << '\t';
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printRegName(O, Dst.getReg());
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O << ", ";
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printRegName(O, MO1.getReg());
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if (ARM_AM::getSORegShOp(MO2.getImm()) == ARM_AM::rrx) {
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printAnnotation(O, Annot);
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return;
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}
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O << ", " << markup("<imm:") << "#"
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<< translateShiftImm(ARM_AM::getSORegOffset(MO2.getImm())) << markup(">");
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printAnnotation(O, Annot);
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return;
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}
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// A8.6.123 PUSH
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case ARM::STMDB_UPD:
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case ARM::t2STMDB_UPD:
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if (MI->getOperand(0).getReg() == ARM::SP && MI->getNumOperands() > 5) {
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// Should only print PUSH if there are at least two registers in the list.
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O << '\t' << "push";
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printPredicateOperand(MI, 2, STI, O);
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if (Opcode == ARM::t2STMDB_UPD)
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O << ".w";
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O << '\t';
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printRegisterList(MI, 4, STI, O);
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printAnnotation(O, Annot);
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return;
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} else
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break;
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case ARM::STR_PRE_IMM:
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if (MI->getOperand(2).getReg() == ARM::SP &&
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MI->getOperand(3).getImm() == -4) {
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O << '\t' << "push";
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printPredicateOperand(MI, 4, STI, O);
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O << "\t{";
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printRegName(O, MI->getOperand(1).getReg());
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O << "}";
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printAnnotation(O, Annot);
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return;
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} else
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break;
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// A8.6.122 POP
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case ARM::LDMIA_UPD:
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case ARM::t2LDMIA_UPD:
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if (MI->getOperand(0).getReg() == ARM::SP && MI->getNumOperands() > 5) {
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// Should only print POP if there are at least two registers in the list.
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O << '\t' << "pop";
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printPredicateOperand(MI, 2, STI, O);
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if (Opcode == ARM::t2LDMIA_UPD)
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O << ".w";
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O << '\t';
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printRegisterList(MI, 4, STI, O);
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printAnnotation(O, Annot);
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return;
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} else
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break;
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case ARM::LDR_POST_IMM:
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if (MI->getOperand(2).getReg() == ARM::SP &&
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MI->getOperand(4).getImm() == 4) {
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O << '\t' << "pop";
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printPredicateOperand(MI, 5, STI, O);
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O << "\t{";
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printRegName(O, MI->getOperand(0).getReg());
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O << "}";
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printAnnotation(O, Annot);
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return;
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} else
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break;
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// A8.6.355 VPUSH
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case ARM::VSTMSDB_UPD:
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case ARM::VSTMDDB_UPD:
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if (MI->getOperand(0).getReg() == ARM::SP) {
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O << '\t' << "vpush";
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printPredicateOperand(MI, 2, STI, O);
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O << '\t';
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printRegisterList(MI, 4, STI, O);
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printAnnotation(O, Annot);
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return;
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} else
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break;
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// A8.6.354 VPOP
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case ARM::VLDMSIA_UPD:
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case ARM::VLDMDIA_UPD:
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if (MI->getOperand(0).getReg() == ARM::SP) {
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O << '\t' << "vpop";
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printPredicateOperand(MI, 2, STI, O);
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O << '\t';
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printRegisterList(MI, 4, STI, O);
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printAnnotation(O, Annot);
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return;
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} else
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break;
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case ARM::tLDMIA: {
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bool Writeback = true;
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unsigned BaseReg = MI->getOperand(0).getReg();
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for (unsigned i = 3; i < MI->getNumOperands(); ++i) {
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if (MI->getOperand(i).getReg() == BaseReg)
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Writeback = false;
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}
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O << "\tldm";
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printPredicateOperand(MI, 1, STI, O);
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O << '\t';
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printRegName(O, BaseReg);
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if (Writeback)
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O << "!";
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O << ", ";
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printRegisterList(MI, 3, STI, O);
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printAnnotation(O, Annot);
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return;
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}
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// Combine 2 GPRs from disassember into a GPRPair to match with instr def.
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// ldrexd/strexd require even/odd GPR pair. To enforce this constraint,
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// a single GPRPair reg operand is used in the .td file to replace the two
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// GPRs. However, when decoding them, the two GRPs cannot be automatically
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// expressed as a GPRPair, so we have to manually merge them.
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// FIXME: We would really like to be able to tablegen'erate this.
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case ARM::LDREXD:
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case ARM::STREXD:
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case ARM::LDAEXD:
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case ARM::STLEXD: {
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const MCRegisterClass &MRC = MRI.getRegClass(ARM::GPRRegClassID);
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bool isStore = Opcode == ARM::STREXD || Opcode == ARM::STLEXD;
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unsigned Reg = MI->getOperand(isStore ? 1 : 0).getReg();
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if (MRC.contains(Reg)) {
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MCInst NewMI;
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MCOperand NewReg;
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NewMI.setOpcode(Opcode);
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if (isStore)
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NewMI.addOperand(MI->getOperand(0));
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NewReg = MCOperand::createReg(MRI.getMatchingSuperReg(
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Reg, ARM::gsub_0, &MRI.getRegClass(ARM::GPRPairRegClassID)));
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NewMI.addOperand(NewReg);
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// Copy the rest operands into NewMI.
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for (unsigned i = isStore ? 3 : 2; i < MI->getNumOperands(); ++i)
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NewMI.addOperand(MI->getOperand(i));
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printInstruction(&NewMI, STI, O);
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return;
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}
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break;
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}
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}
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if (!printAliasInstr(MI, STI, O))
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printInstruction(MI, STI, O);
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printAnnotation(O, Annot);
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}
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void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
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const MCSubtargetInfo &STI, raw_ostream &O) {
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const MCOperand &Op = MI->getOperand(OpNo);
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if (Op.isReg()) {
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unsigned Reg = Op.getReg();
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printRegName(O, Reg);
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} else if (Op.isImm()) {
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O << markup("<imm:") << '#' << formatImm(Op.getImm()) << markup(">");
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} else {
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assert(Op.isExpr() && "unknown operand kind in printOperand");
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const MCExpr *Expr = Op.getExpr();
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switch (Expr->getKind()) {
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case MCExpr::Binary:
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O << '#';
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Expr->print(O, &MAI);
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break;
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case MCExpr::Constant: {
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// If a symbolic branch target was added as a constant expression then
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// print that address in hex. And only print 32 unsigned bits for the
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// address.
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const MCConstantExpr *Constant = cast<MCConstantExpr>(Expr);
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int64_t TargetAddress;
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if (!Constant->evaluateAsAbsolute(TargetAddress)) {
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O << '#';
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Expr->print(O, &MAI);
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} else {
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O << "0x";
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O.write_hex(static_cast<uint32_t>(TargetAddress));
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}
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break;
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}
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default:
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// FIXME: Should we always treat this as if it is a constant literal and
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// prefix it with '#'?
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Expr->print(O, &MAI);
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break;
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}
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}
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}
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void ARMInstPrinter::printThumbLdrLabelOperand(const MCInst *MI, unsigned OpNum,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(OpNum);
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if (MO1.isExpr()) {
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MO1.getExpr()->print(O, &MAI);
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return;
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}
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O << markup("<mem:") << "[pc, ";
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int32_t OffImm = (int32_t)MO1.getImm();
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bool isSub = OffImm < 0;
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// Special value for #-0. All others are normal.
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if (OffImm == INT32_MIN)
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OffImm = 0;
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if (isSub) {
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O << markup("<imm:") << "#-" << formatImm(-OffImm) << markup(">");
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} else {
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O << markup("<imm:") << "#" << formatImm(OffImm) << markup(">");
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}
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O << "]" << markup(">");
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}
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// so_reg is a 4-operand unit corresponding to register forms of the A5.1
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// "Addressing Mode 1 - Data-processing operands" forms. This includes:
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// REG 0 0 - e.g. R5
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// REG REG 0,SH_OPC - e.g. R5, ROR R3
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// REG 0 IMM,SH_OPC - e.g. R5, LSL #3
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void ARMInstPrinter::printSORegRegOperand(const MCInst *MI, unsigned OpNum,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(OpNum);
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const MCOperand &MO2 = MI->getOperand(OpNum + 1);
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const MCOperand &MO3 = MI->getOperand(OpNum + 2);
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printRegName(O, MO1.getReg());
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// Print the shift opc.
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ARM_AM::ShiftOpc ShOpc = ARM_AM::getSORegShOp(MO3.getImm());
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O << ", " << ARM_AM::getShiftOpcStr(ShOpc);
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if (ShOpc == ARM_AM::rrx)
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return;
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O << ' ';
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printRegName(O, MO2.getReg());
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assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
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}
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void ARMInstPrinter::printSORegImmOperand(const MCInst *MI, unsigned OpNum,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(OpNum);
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const MCOperand &MO2 = MI->getOperand(OpNum + 1);
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printRegName(O, MO1.getReg());
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// Print the shift opc.
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printRegImmShift(O, ARM_AM::getSORegShOp(MO2.getImm()),
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ARM_AM::getSORegOffset(MO2.getImm()), UseMarkup);
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}
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//===--------------------------------------------------------------------===//
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// Addressing Mode #2
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//===--------------------------------------------------------------------===//
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void ARMInstPrinter::printAM2PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(Op);
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const MCOperand &MO2 = MI->getOperand(Op + 1);
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const MCOperand &MO3 = MI->getOperand(Op + 2);
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O << markup("<mem:") << "[";
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printRegName(O, MO1.getReg());
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if (!MO2.getReg()) {
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if (ARM_AM::getAM2Offset(MO3.getImm())) { // Don't print +0.
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O << ", " << markup("<imm:") << "#"
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<< ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()))
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<< ARM_AM::getAM2Offset(MO3.getImm()) << markup(">");
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}
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O << "]" << markup(">");
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return;
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}
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O << ", ";
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O << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()));
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printRegName(O, MO2.getReg());
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printRegImmShift(O, ARM_AM::getAM2ShiftOpc(MO3.getImm()),
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ARM_AM::getAM2Offset(MO3.getImm()), UseMarkup);
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O << "]" << markup(">");
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}
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void ARMInstPrinter::printAddrModeTBB(const MCInst *MI, unsigned Op,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(Op);
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const MCOperand &MO2 = MI->getOperand(Op + 1);
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O << markup("<mem:") << "[";
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printRegName(O, MO1.getReg());
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O << ", ";
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printRegName(O, MO2.getReg());
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O << "]" << markup(">");
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}
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void ARMInstPrinter::printAddrModeTBH(const MCInst *MI, unsigned Op,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(Op);
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const MCOperand &MO2 = MI->getOperand(Op + 1);
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O << markup("<mem:") << "[";
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printRegName(O, MO1.getReg());
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O << ", ";
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printRegName(O, MO2.getReg());
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O << ", lsl " << markup("<imm:") << "#1" << markup(">") << "]" << markup(">");
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}
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void ARMInstPrinter::printAddrMode2Operand(const MCInst *MI, unsigned Op,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(Op);
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if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
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printOperand(MI, Op, STI, O);
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return;
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}
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#ifndef NDEBUG
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const MCOperand &MO3 = MI->getOperand(Op + 2);
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unsigned IdxMode = ARM_AM::getAM2IdxMode(MO3.getImm());
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assert(IdxMode != ARMII::IndexModePost && "Should be pre or offset index op");
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#endif
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printAM2PreOrOffsetIndexOp(MI, Op, STI, O);
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}
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void ARMInstPrinter::printAddrMode2OffsetOperand(const MCInst *MI,
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unsigned OpNum,
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const MCSubtargetInfo &STI,
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raw_ostream &O) {
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const MCOperand &MO1 = MI->getOperand(OpNum);
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const MCOperand &MO2 = MI->getOperand(OpNum + 1);
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if (!MO1.getReg()) {
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unsigned ImmOffs = ARM_AM::getAM2Offset(MO2.getImm());
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O << markup("<imm:") << '#'
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<< ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm())) << ImmOffs
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<< markup(">");
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return;
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}
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|
|
O << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm()));
|
|
printRegName(O, MO1.getReg());
|
|
|
|
printRegImmShift(O, ARM_AM::getAM2ShiftOpc(MO2.getImm()),
|
|
ARM_AM::getAM2Offset(MO2.getImm()), UseMarkup);
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Addressing Mode #3
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
void ARMInstPrinter::printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
|
|
raw_ostream &O,
|
|
bool AlwaysPrintImm0) {
|
|
const MCOperand &MO1 = MI->getOperand(Op);
|
|
const MCOperand &MO2 = MI->getOperand(Op + 1);
|
|
const MCOperand &MO3 = MI->getOperand(Op + 2);
|
|
|
|
O << markup("<mem:") << '[';
|
|
printRegName(O, MO1.getReg());
|
|
|
|
if (MO2.getReg()) {
|
|
O << ", " << getAddrOpcStr(ARM_AM::getAM3Op(MO3.getImm()));
|
|
printRegName(O, MO2.getReg());
|
|
O << ']' << markup(">");
|
|
return;
|
|
}
|
|
|
|
// If the op is sub we have to print the immediate even if it is 0
|
|
unsigned ImmOffs = ARM_AM::getAM3Offset(MO3.getImm());
|
|
ARM_AM::AddrOpc op = ARM_AM::getAM3Op(MO3.getImm());
|
|
|
|
if (AlwaysPrintImm0 || ImmOffs || (op == ARM_AM::sub)) {
|
|
O << ", " << markup("<imm:") << "#" << ARM_AM::getAddrOpcStr(op) << ImmOffs
|
|
<< markup(">");
|
|
}
|
|
O << ']' << markup(">");
|
|
}
|
|
|
|
template <bool AlwaysPrintImm0>
|
|
void ARMInstPrinter::printAddrMode3Operand(const MCInst *MI, unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(Op);
|
|
if (!MO1.isReg()) { // For label symbolic references.
|
|
printOperand(MI, Op, STI, O);
|
|
return;
|
|
}
|
|
|
|
assert(ARM_AM::getAM3IdxMode(MI->getOperand(Op + 2).getImm()) !=
|
|
ARMII::IndexModePost &&
|
|
"unexpected idxmode");
|
|
printAM3PreOrOffsetIndexOp(MI, Op, O, AlwaysPrintImm0);
|
|
}
|
|
|
|
void ARMInstPrinter::printAddrMode3OffsetOperand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
if (MO1.getReg()) {
|
|
O << getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm()));
|
|
printRegName(O, MO1.getReg());
|
|
return;
|
|
}
|
|
|
|
unsigned ImmOffs = ARM_AM::getAM3Offset(MO2.getImm());
|
|
O << markup("<imm:") << '#'
|
|
<< ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm())) << ImmOffs
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printPostIdxImm8Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO = MI->getOperand(OpNum);
|
|
unsigned Imm = MO.getImm();
|
|
O << markup("<imm:") << '#' << ((Imm & 256) ? "" : "-") << (Imm & 0xff)
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printPostIdxRegOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
O << (MO2.getImm() ? "" : "-");
|
|
printRegName(O, MO1.getReg());
|
|
}
|
|
|
|
void ARMInstPrinter::printPostIdxImm8s4Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO = MI->getOperand(OpNum);
|
|
unsigned Imm = MO.getImm();
|
|
O << markup("<imm:") << '#' << ((Imm & 256) ? "" : "-") << ((Imm & 0xff) << 2)
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printLdStmModeOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
ARM_AM::AMSubMode Mode =
|
|
ARM_AM::getAM4SubMode(MI->getOperand(OpNum).getImm());
|
|
O << ARM_AM::getAMSubModeStr(Mode);
|
|
}
|
|
|
|
template <bool AlwaysPrintImm0>
|
|
void ARMInstPrinter::printAddrMode5Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
|
|
printOperand(MI, OpNum, STI, O);
|
|
return;
|
|
}
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
|
|
unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm());
|
|
ARM_AM::AddrOpc Op = ARM_AM::getAM5Op(MO2.getImm());
|
|
if (AlwaysPrintImm0 || ImmOffs || Op == ARM_AM::sub) {
|
|
O << ", " << markup("<imm:") << "#" << ARM_AM::getAddrOpcStr(Op)
|
|
<< ImmOffs * 4 << markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
template <bool AlwaysPrintImm0>
|
|
void ARMInstPrinter::printAddrMode5FP16Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum+1);
|
|
|
|
if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
|
|
printOperand(MI, OpNum, STI, O);
|
|
return;
|
|
}
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
|
|
unsigned ImmOffs = ARM_AM::getAM5FP16Offset(MO2.getImm());
|
|
unsigned Op = ARM_AM::getAM5FP16Op(MO2.getImm());
|
|
if (AlwaysPrintImm0 || ImmOffs || Op == ARM_AM::sub) {
|
|
O << ", "
|
|
<< markup("<imm:")
|
|
<< "#"
|
|
<< ARM_AM::getAddrOpcStr(ARM_AM::getAM5FP16Op(MO2.getImm()))
|
|
<< ImmOffs * 2
|
|
<< markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printAddrMode6Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
if (MO2.getImm()) {
|
|
O << ":" << (MO2.getImm() << 3);
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printAddrMode7Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printAddrMode6OffsetOperand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO = MI->getOperand(OpNum);
|
|
if (MO.getReg() == 0)
|
|
O << "!";
|
|
else {
|
|
O << ", ";
|
|
printRegName(O, MO.getReg());
|
|
}
|
|
}
|
|
|
|
void ARMInstPrinter::printBitfieldInvMaskImmOperand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO = MI->getOperand(OpNum);
|
|
uint32_t v = ~MO.getImm();
|
|
int32_t lsb = countTrailingZeros(v);
|
|
int32_t width = (32 - countLeadingZeros(v)) - lsb;
|
|
assert(MO.isImm() && "Not a valid bf_inv_mask_imm value!");
|
|
O << markup("<imm:") << '#' << lsb << markup(">") << ", " << markup("<imm:")
|
|
<< '#' << width << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printMemBOption(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned val = MI->getOperand(OpNum).getImm();
|
|
O << ARM_MB::MemBOptToString(val, STI.getFeatureBits()[ARM::HasV8Ops]);
|
|
}
|
|
|
|
void ARMInstPrinter::printInstSyncBOption(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned val = MI->getOperand(OpNum).getImm();
|
|
O << ARM_ISB::InstSyncBOptToString(val);
|
|
}
|
|
|
|
void ARMInstPrinter::printShiftImmOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned ShiftOp = MI->getOperand(OpNum).getImm();
|
|
bool isASR = (ShiftOp & (1 << 5)) != 0;
|
|
unsigned Amt = ShiftOp & 0x1f;
|
|
if (isASR) {
|
|
O << ", asr " << markup("<imm:") << "#" << (Amt == 0 ? 32 : Amt)
|
|
<< markup(">");
|
|
} else if (Amt) {
|
|
O << ", lsl " << markup("<imm:") << "#" << Amt << markup(">");
|
|
}
|
|
}
|
|
|
|
void ARMInstPrinter::printPKHLSLShiftImm(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Imm = MI->getOperand(OpNum).getImm();
|
|
if (Imm == 0)
|
|
return;
|
|
assert(Imm > 0 && Imm < 32 && "Invalid PKH shift immediate value!");
|
|
O << ", lsl " << markup("<imm:") << "#" << Imm << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printPKHASRShiftImm(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Imm = MI->getOperand(OpNum).getImm();
|
|
// A shift amount of 32 is encoded as 0.
|
|
if (Imm == 0)
|
|
Imm = 32;
|
|
assert(Imm > 0 && Imm <= 32 && "Invalid PKH shift immediate value!");
|
|
O << ", asr " << markup("<imm:") << "#" << Imm << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printRegisterList(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
assert(std::is_sorted(MI->begin() + OpNum, MI->end(),
|
|
[&](const MCOperand &LHS, const MCOperand &RHS) {
|
|
return MRI.getEncodingValue(LHS.getReg()) <
|
|
MRI.getEncodingValue(RHS.getReg());
|
|
}));
|
|
|
|
O << "{";
|
|
for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
|
|
if (i != OpNum)
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(i).getReg());
|
|
}
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printGPRPairOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Reg = MI->getOperand(OpNum).getReg();
|
|
printRegName(O, MRI.getSubReg(Reg, ARM::gsub_0));
|
|
O << ", ";
|
|
printRegName(O, MRI.getSubReg(Reg, ARM::gsub_1));
|
|
}
|
|
|
|
void ARMInstPrinter::printSetendOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &Op = MI->getOperand(OpNum);
|
|
if (Op.getImm())
|
|
O << "be";
|
|
else
|
|
O << "le";
|
|
}
|
|
|
|
void ARMInstPrinter::printCPSIMod(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI, raw_ostream &O) {
|
|
const MCOperand &Op = MI->getOperand(OpNum);
|
|
O << ARM_PROC::IModToString(Op.getImm());
|
|
}
|
|
|
|
void ARMInstPrinter::printCPSIFlag(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI, raw_ostream &O) {
|
|
const MCOperand &Op = MI->getOperand(OpNum);
|
|
unsigned IFlags = Op.getImm();
|
|
for (int i = 2; i >= 0; --i)
|
|
if (IFlags & (1 << i))
|
|
O << ARM_PROC::IFlagsToString(1 << i);
|
|
|
|
if (IFlags == 0)
|
|
O << "none";
|
|
}
|
|
|
|
void ARMInstPrinter::printMSRMaskOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &Op = MI->getOperand(OpNum);
|
|
const FeatureBitset &FeatureBits = STI.getFeatureBits();
|
|
if (FeatureBits[ARM::FeatureMClass]) {
|
|
|
|
unsigned SYSm = Op.getImm() & 0xFFF; // 12-bit SYSm
|
|
unsigned Opcode = MI->getOpcode();
|
|
|
|
// For writes, handle extended mask bits if the DSP extension is present.
|
|
if (Opcode == ARM::t2MSR_M && FeatureBits[ARM::FeatureDSP]) {
|
|
auto TheReg =ARMSysReg::lookupMClassSysRegBy12bitSYSmValue(SYSm);
|
|
if (TheReg && TheReg->isInRequiredFeatures({ARM::FeatureDSP})) {
|
|
O << TheReg->Name;
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Handle the basic 8-bit mask.
|
|
SYSm &= 0xff;
|
|
if (Opcode == ARM::t2MSR_M && FeatureBits [ARM::HasV7Ops]) {
|
|
// ARMv7-M deprecates using MSR APSR without a _<bits> qualifier as an
|
|
// alias for MSR APSR_nzcvq.
|
|
auto TheReg = ARMSysReg::lookupMClassSysRegAPSRNonDeprecated(SYSm);
|
|
if (TheReg) {
|
|
O << TheReg->Name;
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto TheReg = ARMSysReg::lookupMClassSysRegBy8bitSYSmValue(SYSm);
|
|
if (TheReg) {
|
|
O << TheReg->Name;
|
|
return;
|
|
}
|
|
|
|
O << SYSm;
|
|
|
|
return;
|
|
}
|
|
|
|
// As special cases, CPSR_f, CPSR_s and CPSR_fs prefer printing as
|
|
// APSR_nzcvq, APSR_g and APSRnzcvqg, respectively.
|
|
unsigned SpecRegRBit = Op.getImm() >> 4;
|
|
unsigned Mask = Op.getImm() & 0xf;
|
|
|
|
if (!SpecRegRBit && (Mask == 8 || Mask == 4 || Mask == 12)) {
|
|
O << "APSR_";
|
|
switch (Mask) {
|
|
default:
|
|
llvm_unreachable("Unexpected mask value!");
|
|
case 4:
|
|
O << "g";
|
|
return;
|
|
case 8:
|
|
O << "nzcvq";
|
|
return;
|
|
case 12:
|
|
O << "nzcvqg";
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (SpecRegRBit)
|
|
O << "SPSR";
|
|
else
|
|
O << "CPSR";
|
|
|
|
if (Mask) {
|
|
O << '_';
|
|
if (Mask & 8)
|
|
O << 'f';
|
|
if (Mask & 4)
|
|
O << 's';
|
|
if (Mask & 2)
|
|
O << 'x';
|
|
if (Mask & 1)
|
|
O << 'c';
|
|
}
|
|
}
|
|
|
|
void ARMInstPrinter::printBankedRegOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
uint32_t Banked = MI->getOperand(OpNum).getImm();
|
|
auto TheReg = ARMBankedReg::lookupBankedRegByEncoding(Banked);
|
|
assert(TheReg && "invalid banked register operand");
|
|
std::string Name = TheReg->Name;
|
|
|
|
uint32_t isSPSR = (Banked & 0x20) >> 5;
|
|
if (isSPSR)
|
|
Name.replace(0, 4, "SPSR"); // convert 'spsr_' to 'SPSR_'
|
|
O << Name;
|
|
}
|
|
|
|
void ARMInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
|
|
// Handle the undefined 15 CC value here for printing so we don't abort().
|
|
if ((unsigned)CC == 15)
|
|
O << "<und>";
|
|
else if (CC != ARMCC::AL)
|
|
O << ARMCondCodeToString(CC);
|
|
}
|
|
|
|
void ARMInstPrinter::printMandatoryPredicateOperand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
|
|
O << ARMCondCodeToString(CC);
|
|
}
|
|
|
|
void ARMInstPrinter::printSBitModifierOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
if (MI->getOperand(OpNum).getReg()) {
|
|
assert(MI->getOperand(OpNum).getReg() == ARM::CPSR &&
|
|
"Expect ARM CPSR register!");
|
|
O << 's';
|
|
}
|
|
}
|
|
|
|
void ARMInstPrinter::printNoHashImmediate(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << MI->getOperand(OpNum).getImm();
|
|
}
|
|
|
|
void ARMInstPrinter::printPImmediate(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << "p" << MI->getOperand(OpNum).getImm();
|
|
}
|
|
|
|
void ARMInstPrinter::printCImmediate(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << "c" << MI->getOperand(OpNum).getImm();
|
|
}
|
|
|
|
void ARMInstPrinter::printCoprocOptionImm(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << "{" << MI->getOperand(OpNum).getImm() << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printPCLabel(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI, raw_ostream &O) {
|
|
llvm_unreachable("Unhandled PC-relative pseudo-instruction!");
|
|
}
|
|
|
|
template <unsigned scale>
|
|
void ARMInstPrinter::printAdrLabelOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO = MI->getOperand(OpNum);
|
|
|
|
if (MO.isExpr()) {
|
|
MO.getExpr()->print(O, &MAI);
|
|
return;
|
|
}
|
|
|
|
int32_t OffImm = (int32_t)MO.getImm() << scale;
|
|
|
|
O << markup("<imm:");
|
|
if (OffImm == INT32_MIN)
|
|
O << "#-0";
|
|
else if (OffImm < 0)
|
|
O << "#-" << -OffImm;
|
|
else
|
|
O << "#" << OffImm;
|
|
O << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbS4ImmOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << markup("<imm:") << "#" << formatImm(MI->getOperand(OpNum).getImm() * 4)
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbSRImm(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Imm = MI->getOperand(OpNum).getImm();
|
|
O << markup("<imm:") << "#" << formatImm((Imm == 0 ? 32 : Imm))
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbITMask(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// (3 - the number of trailing zeros) is the number of then / else.
|
|
unsigned Mask = MI->getOperand(OpNum).getImm();
|
|
unsigned Firstcond = MI->getOperand(OpNum - 1).getImm();
|
|
unsigned CondBit0 = Firstcond & 1;
|
|
unsigned NumTZ = countTrailingZeros(Mask);
|
|
assert(NumTZ <= 3 && "Invalid IT mask!");
|
|
for (unsigned Pos = 3, e = NumTZ; Pos > e; --Pos) {
|
|
bool T = ((Mask >> Pos) & 1) == CondBit0;
|
|
if (T)
|
|
O << 't';
|
|
else
|
|
O << 'e';
|
|
}
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbAddrModeRROperand(const MCInst *MI, unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(Op);
|
|
const MCOperand &MO2 = MI->getOperand(Op + 1);
|
|
|
|
if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
|
|
printOperand(MI, Op, STI, O);
|
|
return;
|
|
}
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
if (unsigned RegNum = MO2.getReg()) {
|
|
O << ", ";
|
|
printRegName(O, RegNum);
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbAddrModeImm5SOperand(const MCInst *MI,
|
|
unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O,
|
|
unsigned Scale) {
|
|
const MCOperand &MO1 = MI->getOperand(Op);
|
|
const MCOperand &MO2 = MI->getOperand(Op + 1);
|
|
|
|
if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
|
|
printOperand(MI, Op, STI, O);
|
|
return;
|
|
}
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
if (unsigned ImmOffs = MO2.getImm()) {
|
|
O << ", " << markup("<imm:") << "#" << formatImm(ImmOffs * Scale)
|
|
<< markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbAddrModeImm5S1Operand(const MCInst *MI,
|
|
unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
printThumbAddrModeImm5SOperand(MI, Op, STI, O, 1);
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbAddrModeImm5S2Operand(const MCInst *MI,
|
|
unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
printThumbAddrModeImm5SOperand(MI, Op, STI, O, 2);
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbAddrModeImm5S4Operand(const MCInst *MI,
|
|
unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
printThumbAddrModeImm5SOperand(MI, Op, STI, O, 4);
|
|
}
|
|
|
|
void ARMInstPrinter::printThumbAddrModeSPOperand(const MCInst *MI, unsigned Op,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
printThumbAddrModeImm5SOperand(MI, Op, STI, O, 4);
|
|
}
|
|
|
|
// Constant shifts t2_so_reg is a 2-operand unit corresponding to the Thumb2
|
|
// register with shift forms.
|
|
// REG 0 0 - e.g. R5
|
|
// REG IMM, SH_OPC - e.g. R5, LSL #3
|
|
void ARMInstPrinter::printT2SOOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
unsigned Reg = MO1.getReg();
|
|
printRegName(O, Reg);
|
|
|
|
// Print the shift opc.
|
|
assert(MO2.isImm() && "Not a valid t2_so_reg value!");
|
|
printRegImmShift(O, ARM_AM::getSORegShOp(MO2.getImm()),
|
|
ARM_AM::getSORegOffset(MO2.getImm()), UseMarkup);
|
|
}
|
|
|
|
template <bool AlwaysPrintImm0>
|
|
void ARMInstPrinter::printAddrModeImm12Operand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
if (!MO1.isReg()) { // FIXME: This is for CP entries, but isn't right.
|
|
printOperand(MI, OpNum, STI, O);
|
|
return;
|
|
}
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
|
|
int32_t OffImm = (int32_t)MO2.getImm();
|
|
bool isSub = OffImm < 0;
|
|
// Special value for #-0. All others are normal.
|
|
if (OffImm == INT32_MIN)
|
|
OffImm = 0;
|
|
if (isSub) {
|
|
O << ", " << markup("<imm:") << "#-" << formatImm(-OffImm) << markup(">");
|
|
} else if (AlwaysPrintImm0 || OffImm > 0) {
|
|
O << ", " << markup("<imm:") << "#" << formatImm(OffImm) << markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
template <bool AlwaysPrintImm0>
|
|
void ARMInstPrinter::printT2AddrModeImm8Operand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
|
|
int32_t OffImm = (int32_t)MO2.getImm();
|
|
bool isSub = OffImm < 0;
|
|
// Don't print +0.
|
|
if (OffImm == INT32_MIN)
|
|
OffImm = 0;
|
|
if (isSub) {
|
|
O << ", " << markup("<imm:") << "#-" << -OffImm << markup(">");
|
|
} else if (AlwaysPrintImm0 || OffImm > 0) {
|
|
O << ", " << markup("<imm:") << "#" << OffImm << markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
template <bool AlwaysPrintImm0>
|
|
void ARMInstPrinter::printT2AddrModeImm8s4Operand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
if (!MO1.isReg()) { // For label symbolic references.
|
|
printOperand(MI, OpNum, STI, O);
|
|
return;
|
|
}
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
|
|
int32_t OffImm = (int32_t)MO2.getImm();
|
|
bool isSub = OffImm < 0;
|
|
|
|
assert(((OffImm & 0x3) == 0) && "Not a valid immediate!");
|
|
|
|
// Don't print +0.
|
|
if (OffImm == INT32_MIN)
|
|
OffImm = 0;
|
|
if (isSub) {
|
|
O << ", " << markup("<imm:") << "#-" << -OffImm << markup(">");
|
|
} else if (AlwaysPrintImm0 || OffImm > 0) {
|
|
O << ", " << markup("<imm:") << "#" << OffImm << markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printT2AddrModeImm0_1020s4Operand(
|
|
const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
if (MO2.getImm()) {
|
|
O << ", " << markup("<imm:") << "#" << formatImm(MO2.getImm() * 4)
|
|
<< markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printT2AddrModeImm8OffsetOperand(
|
|
const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
int32_t OffImm = (int32_t)MO1.getImm();
|
|
O << ", " << markup("<imm:");
|
|
if (OffImm == INT32_MIN)
|
|
O << "#-0";
|
|
else if (OffImm < 0)
|
|
O << "#-" << -OffImm;
|
|
else
|
|
O << "#" << OffImm;
|
|
O << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printT2AddrModeImm8s4OffsetOperand(
|
|
const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
int32_t OffImm = (int32_t)MO1.getImm();
|
|
|
|
assert(((OffImm & 0x3) == 0) && "Not a valid immediate!");
|
|
|
|
O << ", " << markup("<imm:");
|
|
if (OffImm == INT32_MIN)
|
|
O << "#-0";
|
|
else if (OffImm < 0)
|
|
O << "#-" << -OffImm;
|
|
else
|
|
O << "#" << OffImm;
|
|
O << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printT2AddrModeSoRegOperand(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO1 = MI->getOperand(OpNum);
|
|
const MCOperand &MO2 = MI->getOperand(OpNum + 1);
|
|
const MCOperand &MO3 = MI->getOperand(OpNum + 2);
|
|
|
|
O << markup("<mem:") << "[";
|
|
printRegName(O, MO1.getReg());
|
|
|
|
assert(MO2.getReg() && "Invalid so_reg load / store address!");
|
|
O << ", ";
|
|
printRegName(O, MO2.getReg());
|
|
|
|
unsigned ShAmt = MO3.getImm();
|
|
if (ShAmt) {
|
|
assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
|
|
O << ", lsl " << markup("<imm:") << "#" << ShAmt << markup(">");
|
|
}
|
|
O << "]" << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printFPImmOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
const MCOperand &MO = MI->getOperand(OpNum);
|
|
O << markup("<imm:") << '#' << ARM_AM::getFPImmFloat(MO.getImm())
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned EncodedImm = MI->getOperand(OpNum).getImm();
|
|
unsigned EltBits;
|
|
uint64_t Val = ARM_AM::decodeNEONModImm(EncodedImm, EltBits);
|
|
O << markup("<imm:") << "#0x";
|
|
O.write_hex(Val);
|
|
O << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printImmPlusOneOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Imm = MI->getOperand(OpNum).getImm();
|
|
O << markup("<imm:") << "#" << formatImm(Imm + 1) << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printRotImmOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Imm = MI->getOperand(OpNum).getImm();
|
|
if (Imm == 0)
|
|
return;
|
|
assert(Imm <= 3 && "illegal ror immediate!");
|
|
O << ", ror " << markup("<imm:") << "#" << 8 * Imm << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printModImmOperand(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
MCOperand Op = MI->getOperand(OpNum);
|
|
|
|
// Support for fixups (MCFixup)
|
|
if (Op.isExpr())
|
|
return printOperand(MI, OpNum, STI, O);
|
|
|
|
unsigned Bits = Op.getImm() & 0xFF;
|
|
unsigned Rot = (Op.getImm() & 0xF00) >> 7;
|
|
|
|
bool PrintUnsigned = false;
|
|
switch (MI->getOpcode()) {
|
|
case ARM::MOVi:
|
|
// Movs to PC should be treated unsigned
|
|
PrintUnsigned = (MI->getOperand(OpNum - 1).getReg() == ARM::PC);
|
|
break;
|
|
case ARM::MSRi:
|
|
// Movs to special registers should be treated unsigned
|
|
PrintUnsigned = true;
|
|
break;
|
|
}
|
|
|
|
int32_t Rotated = ARM_AM::rotr32(Bits, Rot);
|
|
if (ARM_AM::getSOImmVal(Rotated) == Op.getImm()) {
|
|
// #rot has the least possible value
|
|
O << "#" << markup("<imm:");
|
|
if (PrintUnsigned)
|
|
O << static_cast<uint32_t>(Rotated);
|
|
else
|
|
O << Rotated;
|
|
O << markup(">");
|
|
return;
|
|
}
|
|
|
|
// Explicit #bits, #rot implied
|
|
O << "#" << markup("<imm:") << Bits << markup(">") << ", #" << markup("<imm:")
|
|
<< Rot << markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printFBits16(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI, raw_ostream &O) {
|
|
O << markup("<imm:") << "#" << 16 - MI->getOperand(OpNum).getImm()
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printFBits32(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI, raw_ostream &O) {
|
|
O << markup("<imm:") << "#" << 32 - MI->getOperand(OpNum).getImm()
|
|
<< markup(">");
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorIndex(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << "[" << MI->getOperand(OpNum).getImm() << "]";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListOne(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListTwo(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Reg = MI->getOperand(OpNum).getReg();
|
|
unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
|
|
unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_1);
|
|
O << "{";
|
|
printRegName(O, Reg0);
|
|
O << ", ";
|
|
printRegName(O, Reg1);
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListTwoSpaced(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Reg = MI->getOperand(OpNum).getReg();
|
|
unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
|
|
unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_2);
|
|
O << "{";
|
|
printRegName(O, Reg0);
|
|
O << ", ";
|
|
printRegName(O, Reg1);
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListThree(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 1);
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListFour(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 1);
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 3);
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListOneAllLanes(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListTwoAllLanes(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Reg = MI->getOperand(OpNum).getReg();
|
|
unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
|
|
unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_1);
|
|
O << "{";
|
|
printRegName(O, Reg0);
|
|
O << "[], ";
|
|
printRegName(O, Reg1);
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListThreeAllLanes(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 1);
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListFourAllLanes(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 1);
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 3);
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListTwoSpacedAllLanes(
|
|
const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Reg = MI->getOperand(OpNum).getReg();
|
|
unsigned Reg0 = MRI.getSubReg(Reg, ARM::dsub_0);
|
|
unsigned Reg1 = MRI.getSubReg(Reg, ARM::dsub_2);
|
|
O << "{";
|
|
printRegName(O, Reg0);
|
|
O << "[], ";
|
|
printRegName(O, Reg1);
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListThreeSpacedAllLanes(
|
|
const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 4);
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListFourSpacedAllLanes(
|
|
const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 4);
|
|
O << "[], ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 6);
|
|
O << "[]}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListThreeSpaced(const MCInst *MI,
|
|
unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 4);
|
|
O << "}";
|
|
}
|
|
|
|
void ARMInstPrinter::printVectorListFourSpaced(const MCInst *MI, unsigned OpNum,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
// Normally, it's not safe to use register enum values directly with
|
|
// addition to get the next register, but for VFP registers, the
|
|
// sort order is guaranteed because they're all of the form D<n>.
|
|
O << "{";
|
|
printRegName(O, MI->getOperand(OpNum).getReg());
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 2);
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 4);
|
|
O << ", ";
|
|
printRegName(O, MI->getOperand(OpNum).getReg() + 6);
|
|
O << "}";
|
|
}
|
|
|
|
template<int64_t Angle, int64_t Remainder>
|
|
void ARMInstPrinter::printComplexRotationOp(const MCInst *MI, unsigned OpNo,
|
|
const MCSubtargetInfo &STI,
|
|
raw_ostream &O) {
|
|
unsigned Val = MI->getOperand(OpNo).getImm();
|
|
O << "#" << (Val * Angle) + Remainder;
|
|
}
|
|
|