//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asm-printer"
+#include "ARMAsmPrinter.h"
#include "ARM.h"
#include "ARMBuildAttrs.h"
-#include "ARMAddressingModes.h"
#include "ARMConstantPoolValue.h"
-#include "InstPrinter/ARMInstPrinter.h"
-#include "ARMAsmPrinter.h"
#include "ARMMachineFunctionInfo.h"
#include "ARMTargetMachine.h"
#include "ARMTargetObjectFile.h"
-#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
+#include "InstPrinter/ARMInstPrinter.h"
+#include "MCTargetDesc/ARMAddressingModes.h"
+#include "MCTargetDesc/ARMMCExpr.h"
+#include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/Assembly/Writer.h"
-#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/Constants.h"
+#include "llvm/DataLayout.h"
+#include "llvm/DebugInfo.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/MC/MCInstBuilder.h"
#include "llvm/MC/MCObjectStreamer.h"
+#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
+#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Type.h"
#include <cctype>
using namespace llvm;
public:
virtual void MaybeSwitchVendor(StringRef Vendor) = 0;
virtual void EmitAttribute(unsigned Attribute, unsigned Value) = 0;
+ virtual void EmitTextAttribute(unsigned Attribute, StringRef String) = 0;
virtual void Finish() = 0;
virtual ~AttributeEmitter() {}
};
Twine(Attribute) + ", " + Twine(Value));
}
+ void EmitTextAttribute(unsigned Attribute, StringRef String) {
+ switch (Attribute) {
+ default: llvm_unreachable("Unsupported Text attribute in ASM Mode");
+ case ARMBuildAttrs::CPU_name:
+ Streamer.EmitRawText(StringRef("\t.cpu ") + String.lower());
+ break;
+ /* GAS requires .fpu to be emitted regardless of EABI attribute */
+ case ARMBuildAttrs::Advanced_SIMD_arch:
+ case ARMBuildAttrs::VFP_arch:
+ Streamer.EmitRawText(StringRef("\t.fpu ") + String.lower());
+ break;
+ }
+ }
void Finish() { }
};
class ObjectAttributeEmitter : public AttributeEmitter {
+ // This structure holds all attributes, accounting for
+ // their string/numeric value, so we can later emmit them
+ // in declaration order, keeping all in the same vector
+ struct AttributeItemType {
+ enum {
+ HiddenAttribute = 0,
+ NumericAttribute,
+ TextAttribute
+ } Type;
+ unsigned Tag;
+ unsigned IntValue;
+ StringRef StringValue;
+ } AttributeItem;
+
MCObjectStreamer &Streamer;
StringRef CurrentVendor;
- SmallString<64> Contents;
+ SmallVector<AttributeItemType, 64> Contents;
+
+ // Account for the ULEB/String size of each item,
+ // not just the number of items
+ size_t ContentsSize;
+ // FIXME: this should be in a more generic place, but
+ // getULEBSize() is in MCAsmInfo and will be moved to MCDwarf
+ size_t getULEBSize(int Value) {
+ size_t Size = 0;
+ do {
+ Value >>= 7;
+ Size += sizeof(int8_t); // Is this really necessary?
+ } while (Value);
+ return Size;
+ }
public:
ObjectAttributeEmitter(MCObjectStreamer &Streamer_) :
- Streamer(Streamer_), CurrentVendor("") { }
+ Streamer(Streamer_), CurrentVendor(""), ContentsSize(0) { }
void MaybeSwitchVendor(StringRef Vendor) {
assert(!Vendor.empty() && "Vendor cannot be empty.");
}
void EmitAttribute(unsigned Attribute, unsigned Value) {
- // FIXME: should be ULEB
- Contents += Attribute;
- Contents += Value;
+ AttributeItemType attr = {
+ AttributeItemType::NumericAttribute,
+ Attribute,
+ Value,
+ StringRef("")
+ };
+ ContentsSize += getULEBSize(Attribute);
+ ContentsSize += getULEBSize(Value);
+ Contents.push_back(attr);
}
- void Finish() {
- const size_t ContentsSize = Contents.size();
+ void EmitTextAttribute(unsigned Attribute, StringRef String) {
+ AttributeItemType attr = {
+ AttributeItemType::TextAttribute,
+ Attribute,
+ 0,
+ String
+ };
+ ContentsSize += getULEBSize(Attribute);
+ // String + \0
+ ContentsSize += String.size()+1;
+
+ Contents.push_back(attr);
+ }
+ void Finish() {
// Vendor size + Vendor name + '\0'
const size_t VendorHeaderSize = 4 + CurrentVendor.size() + 1;
Streamer.EmitIntValue(ARMBuildAttrs::File, 1);
Streamer.EmitIntValue(TagHeaderSize + ContentsSize, 4);
- Streamer.EmitBytes(Contents, 0);
+ // Size should have been accounted for already, now
+ // emit each field as its type (ULEB or String)
+ for (unsigned int i=0; i<Contents.size(); ++i) {
+ AttributeItemType item = Contents[i];
+ Streamer.EmitULEB128IntValue(item.Tag, 0);
+ switch (item.Type) {
+ default: llvm_unreachable("Invalid attribute type");
+ case AttributeItemType::NumericAttribute:
+ Streamer.EmitULEB128IntValue(item.IntValue, 0);
+ break;
+ case AttributeItemType::TextAttribute:
+ Streamer.EmitBytes(item.StringValue.upper(), 0);
+ Streamer.EmitIntValue(0, 1); // '\0'
+ break;
+ }
+ }
Contents.clear();
}
return Location;
}
+/// EmitDwarfRegOp - Emit dwarf register operation.
+void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const {
+ const TargetRegisterInfo *RI = TM.getRegisterInfo();
+ if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1)
+ AsmPrinter::EmitDwarfRegOp(MLoc);
+ else {
+ unsigned Reg = MLoc.getReg();
+ if (Reg >= ARM::S0 && Reg <= ARM::S31) {
+ assert(ARM::S0 + 31 == ARM::S31 && "Unexpected ARM S register numbering");
+ // S registers are described as bit-pieces of a register
+ // S[2x] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 0)
+ // S[2x+1] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 32)
+
+ unsigned SReg = Reg - ARM::S0;
+ bool odd = SReg & 0x1;
+ unsigned Rx = 256 + (SReg >> 1);
+
+ OutStreamer.AddComment("DW_OP_regx for S register");
+ EmitInt8(dwarf::DW_OP_regx);
+
+ OutStreamer.AddComment(Twine(SReg));
+ EmitULEB128(Rx);
+
+ if (odd) {
+ OutStreamer.AddComment("DW_OP_bit_piece 32 32");
+ EmitInt8(dwarf::DW_OP_bit_piece);
+ EmitULEB128(32);
+ EmitULEB128(32);
+ } else {
+ OutStreamer.AddComment("DW_OP_bit_piece 32 0");
+ EmitInt8(dwarf::DW_OP_bit_piece);
+ EmitULEB128(32);
+ EmitULEB128(0);
+ }
+ } else if (Reg >= ARM::Q0 && Reg <= ARM::Q15) {
+ assert(ARM::Q0 + 15 == ARM::Q15 && "Unexpected ARM Q register numbering");
+ // Q registers Q0-Q15 are described by composing two D registers together.
+ // Qx = DW_OP_regx(256+2x) DW_OP_piece(8) DW_OP_regx(256+2x+1)
+ // DW_OP_piece(8)
+
+ unsigned QReg = Reg - ARM::Q0;
+ unsigned D1 = 256 + 2 * QReg;
+ unsigned D2 = D1 + 1;
+
+ OutStreamer.AddComment("DW_OP_regx for Q register: D1");
+ EmitInt8(dwarf::DW_OP_regx);
+ EmitULEB128(D1);
+ OutStreamer.AddComment("DW_OP_piece 8");
+ EmitInt8(dwarf::DW_OP_piece);
+ EmitULEB128(8);
+
+ OutStreamer.AddComment("DW_OP_regx for Q register: D2");
+ EmitInt8(dwarf::DW_OP_regx);
+ EmitULEB128(D2);
+ OutStreamer.AddComment("DW_OP_piece 8");
+ EmitInt8(dwarf::DW_OP_piece);
+ EmitULEB128(8);
+ }
+ }
+}
+
+void ARMAsmPrinter::EmitFunctionBodyEnd() {
+ // Make sure to terminate any constant pools that were at the end
+ // of the function.
+ if (!InConstantPool)
+ return;
+ InConstantPool = false;
+ OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
+}
+
void ARMAsmPrinter::EmitFunctionEntryLabel() {
if (AFI->isThumbFunction()) {
OutStreamer.EmitAssemblerFlag(MCAF_Code16);
- OutStreamer.EmitThumbFunc(Subtarget->isTargetDarwin()? CurrentFnSym : 0);
+ OutStreamer.EmitThumbFunc(CurrentFnSym);
}
OutStreamer.EmitLabel(CurrentFnSym);
}
+void ARMAsmPrinter::EmitXXStructor(const Constant *CV) {
+ uint64_t Size = TM.getDataLayout()->getTypeAllocSize(CV->getType());
+ assert(Size && "C++ constructor pointer had zero size!");
+
+ const GlobalValue *GV = dyn_cast<GlobalValue>(CV->stripPointerCasts());
+ assert(GV && "C++ constructor pointer was not a GlobalValue!");
+
+ const MCExpr *E = MCSymbolRefExpr::Create(Mang->getSymbol(GV),
+ (Subtarget->isTargetDarwin()
+ ? MCSymbolRefExpr::VK_None
+ : MCSymbolRefExpr::VK_ARM_TARGET1),
+ OutContext);
+
+ OutStreamer.EmitValue(E, Size);
+}
+
/// runOnMachineFunction - This uses the EmitInstruction()
/// method to print assembly for each instruction.
///
unsigned TF = MO.getTargetFlags();
switch (MO.getType()) {
- default:
- assert(0 && "<unknown operand type>");
+ default: llvm_unreachable("<unknown operand type>");
case MachineOperand::MO_Register: {
unsigned Reg = MO.getReg();
assert(TargetRegisterInfo::isPhysicalRegister(Reg));
//===--------------------------------------------------------------------===//
-MCSymbol *ARMAsmPrinter::
-GetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const {
- SmallString<60> Name;
- raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix()
- << getFunctionNumber() << '_' << uid << '_' << uid2
- << "_set_" << MBB->getNumber();
- return OutContext.GetOrCreateSymbol(Name.str());
-}
-
MCSymbol *ARMAsmPrinter::
GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const {
SmallString<60> Name;
}
-MCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel(void) const {
+MCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel() const {
SmallString<60> Name;
raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "SJLJEH"
<< getFunctionNumber();
if (ExtraCode[1] != 0) return true; // Unknown modifier.
switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
+ default:
+ // See if this is a generic print operand
+ return AsmPrinter::PrintAsmOperand(MI, OpNum, AsmVariant, ExtraCode, O);
case 'a': // Print as a memory address.
if (MI->getOperand(OpNum).isReg()) {
O << "["
case 'q': // Print a NEON quad precision register.
printOperand(MI, OpNum, O);
return false;
- case 'Q':
- case 'R':
- case 'H':
- report_fatal_error("llvm does not support 'Q', 'R', and 'H' modifiers!");
+ case 'y': // Print a VFP single precision register as indexed double.
+ if (MI->getOperand(OpNum).isReg()) {
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
+ // Find the 'd' register that has this 's' register as a sub-register,
+ // and determine the lane number.
+ for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR) {
+ if (!ARM::DPRRegClass.contains(*SR))
+ continue;
+ bool Lane0 = TRI->getSubReg(*SR, ARM::ssub_0) == Reg;
+ O << ARMInstPrinter::getRegisterName(*SR) << (Lane0 ? "[0]" : "[1]");
+ return false;
+ }
+ }
+ return true;
+ case 'B': // Bitwise inverse of integer or symbol without a preceding #.
+ if (!MI->getOperand(OpNum).isImm())
+ return true;
+ O << ~(MI->getOperand(OpNum).getImm());
+ return false;
+ case 'L': // The low 16 bits of an immediate constant.
+ if (!MI->getOperand(OpNum).isImm())
+ return true;
+ O << (MI->getOperand(OpNum).getImm() & 0xffff);
+ return false;
+ case 'M': { // A register range suitable for LDM/STM.
+ if (!MI->getOperand(OpNum).isReg())
+ return true;
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ unsigned RegBegin = MO.getReg();
+ // This takes advantage of the 2 operand-ness of ldm/stm and that we've
+ // already got the operands in registers that are operands to the
+ // inline asm statement.
+
+ O << "{" << ARMInstPrinter::getRegisterName(RegBegin);
+
+ // FIXME: The register allocator not only may not have given us the
+ // registers in sequence, but may not be in ascending registers. This
+ // will require changes in the register allocator that'll need to be
+ // propagated down here if the operands change.
+ unsigned RegOps = OpNum + 1;
+ while (MI->getOperand(RegOps).isReg()) {
+ O << ", "
+ << ARMInstPrinter::getRegisterName(MI->getOperand(RegOps).getReg());
+ RegOps++;
+ }
+
+ O << "}";
+
+ return false;
+ }
+ case 'R': // The most significant register of a pair.
+ case 'Q': { // The least significant register of a pair.
+ if (OpNum == 0)
+ return true;
+ const MachineOperand &FlagsOP = MI->getOperand(OpNum - 1);
+ if (!FlagsOP.isImm())
+ return true;
+ unsigned Flags = FlagsOP.getImm();
+ unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags);
+ if (NumVals != 2)
+ return true;
+ unsigned RegOp = ExtraCode[0] == 'Q' ? OpNum : OpNum + 1;
+ if (RegOp >= MI->getNumOperands())
+ return true;
+ const MachineOperand &MO = MI->getOperand(RegOp);
+ if (!MO.isReg())
+ return true;
+ unsigned Reg = MO.getReg();
+ O << ARMInstPrinter::getRegisterName(Reg);
+ return false;
+ }
+
+ case 'e': // The low doubleword register of a NEON quad register.
+ case 'f': { // The high doubleword register of a NEON quad register.
+ if (!MI->getOperand(OpNum).isReg())
+ return true;
+ unsigned Reg = MI->getOperand(OpNum).getReg();
+ if (!ARM::QPRRegClass.contains(Reg))
+ return true;
+ const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
+ unsigned SubReg = TRI->getSubReg(Reg, ExtraCode[0] == 'e' ?
+ ARM::dsub_0 : ARM::dsub_1);
+ O << ARMInstPrinter::getRegisterName(SubReg);
+ return false;
+ }
+
+ // This modifier is not yet supported.
+ case 'h': // A range of VFP/NEON registers suitable for VLD1/VST1.
return true;
+ case 'H': { // The highest-numbered register of a pair.
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ if (!MO.isReg())
+ return true;
+ const TargetRegisterClass &RC = ARM::GPRRegClass;
+ const MachineFunction &MF = *MI->getParent()->getParent();
+ const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo();
+
+ unsigned RegIdx = TRI->getEncodingValue(MO.getReg());
+ RegIdx |= 1; //The odd register is also the higher-numbered one of a pair.
+
+ unsigned Reg = RC.getRegister(RegIdx);
+ O << ARMInstPrinter::getRegisterName(Reg);
+ return false;
+ }
}
}
unsigned OpNum, unsigned AsmVariant,
const char *ExtraCode,
raw_ostream &O) {
- if (ExtraCode && ExtraCode[0])
- return true; // Unknown modifier.
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ case 'A': // A memory operand for a VLD1/VST1 instruction.
+ default: return true; // Unknown modifier.
+ case 'm': // The base register of a memory operand.
+ if (!MI->getOperand(OpNum).isReg())
+ return true;
+ O << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg());
+ return false;
+ }
+ }
const MachineOperand &MO = MI->getOperand(OpNum);
assert(MO.isReg() && "unexpected inline asm memory operand");
const TargetLoweringObjectFileMachO &TLOFMacho =
static_cast<const TargetLoweringObjectFileMachO &>(
getObjFileLowering());
- OutStreamer.SwitchSection(TLOFMacho.getTextSection());
- OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
- OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection());
+
+ // Collect the set of sections our functions will go into.
+ SetVector<const MCSection *, SmallVector<const MCSection *, 8>,
+ SmallPtrSet<const MCSection *, 8> > TextSections;
+ // Default text section comes first.
+ TextSections.insert(TLOFMacho.getTextSection());
+ // Now any user defined text sections from function attributes.
+ for (Module::iterator F = M.begin(), e = M.end(); F != e; ++F)
+ if (!F->isDeclaration() && !F->hasAvailableExternallyLinkage())
+ TextSections.insert(TLOFMacho.SectionForGlobal(F, Mang, TM));
+ // Now the coalescable sections.
+ TextSections.insert(TLOFMacho.getTextCoalSection());
+ TextSections.insert(TLOFMacho.getConstTextCoalSection());
+
+ // Emit the sections in the .s file header to fix the order.
+ for (unsigned i = 0, e = TextSections.size(); i != e; ++i)
+ OutStreamer.SwitchSection(TextSections[i]);
+
if (RelocM == Reloc::DynamicNoPIC) {
const MCSection *sect =
OutContext.getMachOSection("__TEXT", "__symbol_stub4",
OutStreamer.EmitAssemblerFlag(MCAF_SyntaxUnified);
// Emit ARM Build Attributes
- if (Subtarget->isTargetELF()) {
-
+ if (Subtarget->isTargetELF())
emitAttributes();
- }
}
emitARMAttributeSection();
+ /* GAS expect .fpu to be emitted, regardless of VFP build attribute */
+ bool emitFPU = false;
AttributeEmitter *AttrEmitter;
- if (OutStreamer.hasRawTextSupport())
+ if (OutStreamer.hasRawTextSupport()) {
AttrEmitter = new AsmAttributeEmitter(OutStreamer);
- else {
+ emitFPU = true;
+ } else {
MCObjectStreamer &O = static_cast<MCObjectStreamer&>(OutStreamer);
AttrEmitter = new ObjectAttributeEmitter(O);
}
AttrEmitter->MaybeSwitchVendor("aeabi");
std::string CPUString = Subtarget->getCPUString();
- if (OutStreamer.hasRawTextSupport()) {
- if (CPUString != "generic")
- OutStreamer.EmitRawText(StringRef("\t.cpu ") + CPUString);
- } else {
- assert(CPUString == "generic" && "Unsupported .cpu attribute for ELF/.o");
- // FIXME: Why these defaults?
+
+ if (CPUString == "cortex-a8" ||
+ Subtarget->isCortexA8()) {
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::CPU_name, "cortex-a8");
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch_profile,
+ ARMBuildAttrs::ApplicationProfile);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use,
+ ARMBuildAttrs::Allowed);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use,
+ ARMBuildAttrs::AllowThumb32);
+ // Fixme: figure out when this is emitted.
+ //AttrEmitter->EmitAttribute(ARMBuildAttrs::WMMX_arch,
+ // ARMBuildAttrs::AllowWMMXv1);
+ //
+
+ /// ADD additional Else-cases here!
+ } else if (CPUString == "xscale") {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TEJ);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use,
+ ARMBuildAttrs::Allowed);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use,
+ ARMBuildAttrs::Allowed);
+ } else if (CPUString == "generic") {
+ // For a generic CPU, we assume a standard v7a architecture in Subtarget.
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch_profile,
+ ARMBuildAttrs::ApplicationProfile);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use,
+ ARMBuildAttrs::Allowed);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use,
+ ARMBuildAttrs::AllowThumb32);
+ } else if (Subtarget->hasV7Ops()) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use,
+ ARMBuildAttrs::AllowThumb32);
+ } else if (Subtarget->hasV6T2Ops())
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v6T2);
+ else if (Subtarget->hasV6Ops())
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v6);
+ else if (Subtarget->hasV5TEOps())
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TE);
+ else if (Subtarget->hasV5TOps())
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5T);
+ else if (Subtarget->hasV4TOps())
AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T);
- AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 1);
- AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 1);
+
+ if (Subtarget->hasNEON() && emitFPU) {
+ /* NEON is not exactly a VFP architecture, but GAS emit one of
+ * neon/neon-vfpv4/vfpv3/vfpv2 for .fpu parameters */
+ if (Subtarget->hasVFP4())
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch,
+ "neon-vfpv4");
+ else
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, "neon");
+ /* If emitted for NEON, omit from VFP below, since you can have both
+ * NEON and VFP in build attributes but only one .fpu */
+ emitFPU = false;
}
- // FIXME: Emit FPU type
- if (Subtarget->hasVFP2())
- AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 2);
+ /* VFPv4 + .fpu */
+ if (Subtarget->hasVFP4()) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,
+ ARMBuildAttrs::AllowFPv4A);
+ if (emitFPU)
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv4");
+
+ /* VFPv3 + .fpu */
+ } else if (Subtarget->hasVFP3()) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,
+ ARMBuildAttrs::AllowFPv3A);
+ if (emitFPU)
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv3");
+
+ /* VFPv2 + .fpu */
+ } else if (Subtarget->hasVFP2()) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,
+ ARMBuildAttrs::AllowFPv2);
+ if (emitFPU)
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv2");
+ }
+
+ /* TODO: ARMBuildAttrs::Allowed is not completely accurate,
+ * since NEON can have 1 (allowed) or 2 (MAC operations) */
+ if (Subtarget->hasNEON()) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::Advanced_SIMD_arch,
+ ARMBuildAttrs::Allowed);
+ }
// Signal various FP modes.
- if (!UnsafeFPMath) {
- AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_denormal, 1);
- AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_exceptions, 1);
+ if (!TM.Options.UnsafeFPMath) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_denormal,
+ ARMBuildAttrs::Allowed);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_exceptions,
+ ARMBuildAttrs::Allowed);
}
- if (NoInfsFPMath && NoNaNsFPMath)
- AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 1);
+ if (TM.Options.NoInfsFPMath && TM.Options.NoNaNsFPMath)
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model,
+ ARMBuildAttrs::Allowed);
else
- AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 3);
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model,
+ ARMBuildAttrs::AllowIEE754);
+ // FIXME: add more flags to ARMBuildAttrs.h
// 8-bytes alignment stuff.
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_needed, 1);
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_preserved, 1);
// Hard float. Use both S and D registers and conform to AAPCS-VFP.
- if (Subtarget->isAAPCS_ABI() && FloatABIType == FloatABI::Hard) {
+ if (Subtarget->isAAPCS_ABI() && TM.Options.FloatABIType == FloatABI::Hard) {
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_HardFP_use, 3);
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_VFP_args, 1);
}
// FIXME: Should we signal R9 usage?
- AttrEmitter->EmitAttribute(ARMBuildAttrs::DIV_use, 1);
+ if (Subtarget->hasDivide())
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::DIV_use, 1);
AttrEmitter->Finish();
delete AttrEmitter;
static MCSymbolRefExpr::VariantKind
getModifierVariantKind(ARMCP::ARMCPModifier Modifier) {
switch (Modifier) {
- default: llvm_unreachable("Unknown modifier!");
case ARMCP::no_modifier: return MCSymbolRefExpr::VK_None;
case ARMCP::TLSGD: return MCSymbolRefExpr::VK_ARM_TLSGD;
case ARMCP::TPOFF: return MCSymbolRefExpr::VK_ARM_TPOFF;
case ARMCP::GOT: return MCSymbolRefExpr::VK_ARM_GOT;
case ARMCP::GOTOFF: return MCSymbolRefExpr::VK_ARM_GOTOFF;
}
- return MCSymbolRefExpr::VK_None;
+ llvm_unreachable("Invalid ARMCPModifier!");
+}
+
+MCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV) {
+ bool isIndirect = Subtarget->isTargetDarwin() &&
+ Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel());
+ if (!isIndirect)
+ return Mang->getSymbol(GV);
+
+ // FIXME: Remove this when Darwin transition to @GOT like syntax.
+ MCSymbol *MCSym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
+ MachineModuleInfoMachO &MMIMachO =
+ MMI->getObjFileInfo<MachineModuleInfoMachO>();
+ MachineModuleInfoImpl::StubValueTy &StubSym =
+ GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(MCSym) :
+ MMIMachO.getGVStubEntry(MCSym);
+ if (StubSym.getPointer() == 0)
+ StubSym = MachineModuleInfoImpl::
+ StubValueTy(Mang->getSymbol(GV), !GV->hasInternalLinkage());
+ return MCSym;
}
void ARMAsmPrinter::
EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) {
- int Size = TM.getTargetData()->getTypeAllocSize(MCPV->getType());
+ int Size = TM.getDataLayout()->getTypeAllocSize(MCPV->getType());
ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV);
OS << MAI->getPrivateGlobalPrefix() << "_LSDA_" << getFunctionNumber();
MCSym = OutContext.GetOrCreateSymbol(OS.str());
} else if (ACPV->isBlockAddress()) {
- MCSym = GetBlockAddressSymbol(ACPV->getBlockAddress());
+ const BlockAddress *BA =
+ cast<ARMConstantPoolConstant>(ACPV)->getBlockAddress();
+ MCSym = GetBlockAddressSymbol(BA);
} else if (ACPV->isGlobalValue()) {
- const GlobalValue *GV = ACPV->getGV();
- bool isIndirect = Subtarget->isTargetDarwin() &&
- Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel());
- if (!isIndirect)
- MCSym = Mang->getSymbol(GV);
- else {
- // FIXME: Remove this when Darwin transition to @GOT like syntax.
- MCSym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
-
- MachineModuleInfoMachO &MMIMachO =
- MMI->getObjFileInfo<MachineModuleInfoMachO>();
- MachineModuleInfoImpl::StubValueTy &StubSym =
- GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(MCSym) :
- MMIMachO.getGVStubEntry(MCSym);
- if (StubSym.getPointer() == 0)
- StubSym = MachineModuleInfoImpl::
- StubValueTy(Mang->getSymbol(GV), !GV->hasInternalLinkage());
- }
+ const GlobalValue *GV = cast<ARMConstantPoolConstant>(ACPV)->getGV();
+ MCSym = GetARMGVSymbol(GV);
+ } else if (ACPV->isMachineBasicBlock()) {
+ const MachineBasicBlock *MBB = cast<ARMConstantPoolMBB>(ACPV)->getMBB();
+ MCSym = MBB->getSymbol();
} else {
assert(ACPV->isExtSymbol() && "unrecognized constant pool value");
- MCSym = GetExternalSymbolSymbol(ACPV->getSymbol());
+ const char *Sym = cast<ARMConstantPoolSymbol>(ACPV)->getSymbol();
+ MCSym = GetExternalSymbolSymbol(Sym);
}
// Create an MCSymbol for the reference.
MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm());
OutStreamer.EmitLabel(JTISymbol);
+ // Mark the jump table as data-in-code.
+ OutStreamer.EmitDataRegion(MCDR_DataRegionJT32);
+
// Emit each entry of the table.
const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo();
const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
Expr = MCBinaryExpr::CreateSub(Expr, MCSymbolRefExpr::Create(JTISymbol,
OutContext),
OutContext);
+ // If we're generating a table of Thumb addresses in static relocation
+ // model, we need to add one to keep interworking correctly.
+ else if (AFI->isThumbFunction())
+ Expr = MCBinaryExpr::CreateAdd(Expr, MCConstantExpr::Create(1,OutContext),
+ OutContext);
OutStreamer.EmitValue(Expr, 4);
}
+ // Mark the end of jump table data-in-code region.
+ OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
}
void ARMAsmPrinter::EmitJump2Table(const MachineInstr *MI) {
const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id
unsigned JTI = MO1.getIndex();
- // Emit a label for the jump table.
MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm());
OutStreamer.EmitLabel(JTISymbol);
const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables();
const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs;
unsigned OffsetWidth = 4;
- if (MI->getOpcode() == ARM::t2TBB_JT)
+ if (MI->getOpcode() == ARM::t2TBB_JT) {
OffsetWidth = 1;
- else if (MI->getOpcode() == ARM::t2TBH_JT)
+ // Mark the jump table as data-in-code.
+ OutStreamer.EmitDataRegion(MCDR_DataRegionJT8);
+ } else if (MI->getOpcode() == ARM::t2TBH_JT) {
OffsetWidth = 2;
+ // Mark the jump table as data-in-code.
+ OutStreamer.EmitDataRegion(MCDR_DataRegionJT16);
+ }
for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) {
MachineBasicBlock *MBB = JTBBs[i];
OutContext);
// If this isn't a TBB or TBH, the entries are direct branch instructions.
if (OffsetWidth == 4) {
- MCInst BrInst;
- BrInst.setOpcode(ARM::t2B);
- BrInst.addOperand(MCOperand::CreateExpr(MBBSymbolExpr));
- OutStreamer.EmitInstruction(BrInst);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::t2B)
+ .addExpr(MBBSymbolExpr)
+ .addImm(ARMCC::AL)
+ .addReg(0));
continue;
}
// Otherwise it's an offset from the dispatch instruction. Construct an
OutContext);
OutStreamer.EmitValue(Expr, OffsetWidth);
}
+ // Mark the end of jump table data-in-code region. 32-bit offsets use
+ // actual branch instructions here, so we don't mark those as a data-region
+ // at all.
+ if (OffsetWidth != 4)
+ OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
}
void ARMAsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
printOperand(MI, NOps-2, OS);
}
+void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
+ assert(MI->getFlag(MachineInstr::FrameSetup) &&
+ "Only instruction which are involved into frame setup code are allowed");
+
+ const MachineFunction &MF = *MI->getParent()->getParent();
+ const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
+ const ARMFunctionInfo &AFI = *MF.getInfo<ARMFunctionInfo>();
+
+ unsigned FramePtr = RegInfo->getFrameRegister(MF);
+ unsigned Opc = MI->getOpcode();
+ unsigned SrcReg, DstReg;
+
+ if (Opc == ARM::tPUSH || Opc == ARM::tLDRpci) {
+ // Two special cases:
+ // 1) tPUSH does not have src/dst regs.
+ // 2) for Thumb1 code we sometimes materialize the constant via constpool
+ // load. Yes, this is pretty fragile, but for now I don't see better
+ // way... :(
+ SrcReg = DstReg = ARM::SP;
+ } else {
+ SrcReg = MI->getOperand(1).getReg();
+ DstReg = MI->getOperand(0).getReg();
+ }
+
+ // Try to figure out the unwinding opcode out of src / dst regs.
+ if (MI->mayStore()) {
+ // Register saves.
+ assert(DstReg == ARM::SP &&
+ "Only stack pointer as a destination reg is supported");
+
+ SmallVector<unsigned, 4> RegList;
+ // Skip src & dst reg, and pred ops.
+ unsigned StartOp = 2 + 2;
+ // Use all the operands.
+ unsigned NumOffset = 0;
+
+ switch (Opc) {
+ default:
+ MI->dump();
+ llvm_unreachable("Unsupported opcode for unwinding information");
+ case ARM::tPUSH:
+ // Special case here: no src & dst reg, but two extra imp ops.
+ StartOp = 2; NumOffset = 2;
+ case ARM::STMDB_UPD:
+ case ARM::t2STMDB_UPD:
+ case ARM::VSTMDDB_UPD:
+ assert(SrcReg == ARM::SP &&
+ "Only stack pointer as a source reg is supported");
+ for (unsigned i = StartOp, NumOps = MI->getNumOperands() - NumOffset;
+ i != NumOps; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+ // Actually, there should never be any impdef stuff here. Skip it
+ // temporary to workaround PR11902.
+ if (MO.isImplicit())
+ continue;
+ RegList.push_back(MO.getReg());
+ }
+ break;
+ case ARM::STR_PRE_IMM:
+ case ARM::STR_PRE_REG:
+ case ARM::t2STR_PRE:
+ assert(MI->getOperand(2).getReg() == ARM::SP &&
+ "Only stack pointer as a source reg is supported");
+ RegList.push_back(SrcReg);
+ break;
+ }
+ OutStreamer.EmitRegSave(RegList, Opc == ARM::VSTMDDB_UPD);
+ } else {
+ // Changes of stack / frame pointer.
+ if (SrcReg == ARM::SP) {
+ int64_t Offset = 0;
+ switch (Opc) {
+ default:
+ MI->dump();
+ llvm_unreachable("Unsupported opcode for unwinding information");
+ case ARM::MOVr:
+ case ARM::tMOVr:
+ Offset = 0;
+ break;
+ case ARM::ADDri:
+ Offset = -MI->getOperand(2).getImm();
+ break;
+ case ARM::SUBri:
+ case ARM::t2SUBri:
+ Offset = MI->getOperand(2).getImm();
+ break;
+ case ARM::tSUBspi:
+ Offset = MI->getOperand(2).getImm()*4;
+ break;
+ case ARM::tADDspi:
+ case ARM::tADDrSPi:
+ Offset = -MI->getOperand(2).getImm()*4;
+ break;
+ case ARM::tLDRpci: {
+ // Grab the constpool index and check, whether it corresponds to
+ // original or cloned constpool entry.
+ unsigned CPI = MI->getOperand(1).getIndex();
+ const MachineConstantPool *MCP = MF.getConstantPool();
+ if (CPI >= MCP->getConstants().size())
+ CPI = AFI.getOriginalCPIdx(CPI);
+ assert(CPI != -1U && "Invalid constpool index");
+
+ // Derive the actual offset.
+ const MachineConstantPoolEntry &CPE = MCP->getConstants()[CPI];
+ assert(!CPE.isMachineConstantPoolEntry() && "Invalid constpool entry");
+ // FIXME: Check for user, it should be "add" instruction!
+ Offset = -cast<ConstantInt>(CPE.Val.ConstVal)->getSExtValue();
+ break;
+ }
+ }
+
+ if (DstReg == FramePtr && FramePtr != ARM::SP)
+ // Set-up of the frame pointer. Positive values correspond to "add"
+ // instruction.
+ OutStreamer.EmitSetFP(FramePtr, ARM::SP, -Offset);
+ else if (DstReg == ARM::SP) {
+ // Change of SP by an offset. Positive values correspond to "sub"
+ // instruction.
+ OutStreamer.EmitPad(Offset);
+ } else {
+ MI->dump();
+ llvm_unreachable("Unsupported opcode for unwinding information");
+ }
+ } else if (DstReg == ARM::SP) {
+ // FIXME: .movsp goes here
+ MI->dump();
+ llvm_unreachable("Unsupported opcode for unwinding information");
+ }
+ else {
+ MI->dump();
+ llvm_unreachable("Unsupported opcode for unwinding information");
+ }
+ }
+}
+
+extern cl::opt<bool> EnableARMEHABI;
+
+// Simple pseudo-instructions have their lowering (with expansion to real
+// instructions) auto-generated.
+#include "ARMGenMCPseudoLowering.inc"
+
void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
- switch (MI->getOpcode()) {
- default: break;
- case ARM::t2MOVi32imm: assert(0 && "Should be lowered by thumb2it pass");
+ // If we just ended a constant pool, mark it as such.
+ if (InConstantPool && MI->getOpcode() != ARM::CONSTPOOL_ENTRY) {
+ OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
+ InConstantPool = false;
+ }
+
+ // Emit unwinding stuff for frame-related instructions
+ if (EnableARMEHABI && MI->getFlag(MachineInstr::FrameSetup))
+ EmitUnwindingInstruction(MI);
+
+ // Do any auto-generated pseudo lowerings.
+ if (emitPseudoExpansionLowering(OutStreamer, MI))
+ return;
+
+ assert(!convertAddSubFlagsOpcode(MI->getOpcode()) &&
+ "Pseudo flag setting opcode should be expanded early");
+
+ // Check for manual lowerings.
+ unsigned Opc = MI->getOpcode();
+ switch (Opc) {
+ case ARM::t2MOVi32imm: llvm_unreachable("Should be lowered by thumb2it pass");
case ARM::DBG_VALUE: {
if (isVerbose() && OutStreamer.hasRawTextSupport()) {
SmallString<128> TmpStr;
}
return;
}
- case ARM::MOVPCRX: {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::MOVr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- // Add 's' bit operand (always reg0 for this)
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
+ case ARM::LEApcrel:
+ case ARM::tLEApcrel:
+ case ARM::t2LEApcrel: {
+ // FIXME: Need to also handle globals and externals
+ MCSymbol *CPISymbol = GetCPISymbol(MI->getOperand(1).getIndex());
+ OutStreamer.EmitInstruction(MCInstBuilder(MI->getOpcode() ==
+ ARM::t2LEApcrel ? ARM::t2ADR
+ : (MI->getOpcode() == ARM::tLEApcrel ? ARM::tADR
+ : ARM::ADR))
+ .addReg(MI->getOperand(0).getReg())
+ .addExpr(MCSymbolRefExpr::Create(CPISymbol, OutContext))
+ // Add predicate operands.
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(MI->getOperand(3).getReg()));
return;
}
- case ARM::BXr9_CALL:
+ case ARM::LEApcrelJT:
+ case ARM::tLEApcrelJT:
+ case ARM::t2LEApcrelJT: {
+ MCSymbol *JTIPICSymbol =
+ GetARMJTIPICJumpTableLabel2(MI->getOperand(1).getIndex(),
+ MI->getOperand(2).getImm());
+ OutStreamer.EmitInstruction(MCInstBuilder(MI->getOpcode() ==
+ ARM::t2LEApcrelJT ? ARM::t2ADR
+ : (MI->getOpcode() == ARM::tLEApcrelJT ? ARM::tADR
+ : ARM::ADR))
+ .addReg(MI->getOperand(0).getReg())
+ .addExpr(MCSymbolRefExpr::Create(JTIPICSymbol, OutContext))
+ // Add predicate operands.
+ .addImm(MI->getOperand(3).getImm())
+ .addReg(MI->getOperand(4).getReg()));
+ return;
+ }
+ // Darwin call instructions are just normal call instructions with different
+ // clobber semantics (they clobber R9).
case ARM::BX_CALL: {
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::MOVr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::LR));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVr)
+ .addReg(ARM::LR)
+ .addReg(ARM::PC)
// Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// Add 's' bit operand (always reg0 for this)
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::BX);
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- OutStreamer.EmitInstruction(TmpInst);
- }
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::BX)
+ .addReg(MI->getOperand(0).getReg()));
+ return;
+ }
+ case ARM::tBX_CALL: {
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tMOVr)
+ .addReg(ARM::LR)
+ .addReg(ARM::PC)
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tBX)
+ .addReg(MI->getOperand(0).getReg())
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
return;
}
- case ARM::BMOVPCRXr9_CALL:
case ARM::BMOVPCRX_CALL: {
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::MOVr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::LR));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVr)
+ .addReg(ARM::LR)
+ .addReg(ARM::PC)
// Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// Add 's' bit operand (always reg0 for this)
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::MOVr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVr)
+ .addReg(ARM::PC)
+ .addImm(MI->getOperand(0).getReg())
// Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// Add 's' bit operand (always reg0 for this)
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
+ .addReg(0));
+ return;
+ }
+ case ARM::BMOVPCB_CALL: {
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVr)
+ .addReg(ARM::LR)
+ .addReg(ARM::PC)
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0)
+ // Add 's' bit operand (always reg0 for this)
+ .addReg(0));
+
+ const GlobalValue *GV = MI->getOperand(0).getGlobal();
+ MCSymbol *GVSym = Mang->getSymbol(GV);
+ const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::Bcc)
+ .addExpr(GVSymExpr)
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
+ return;
+ }
+ case ARM::MOVi16_ga_pcrel:
+ case ARM::t2MOVi16_ga_pcrel: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(Opc == ARM::MOVi16_ga_pcrel? ARM::MOVi16 : ARM::t2MOVi16);
+ TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
+
+ unsigned TF = MI->getOperand(1).getTargetFlags();
+ bool isPIC = TF == ARMII::MO_LO16_NONLAZY_PIC;
+ const GlobalValue *GV = MI->getOperand(1).getGlobal();
+ MCSymbol *GVSym = GetARMGVSymbol(GV);
+ const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext);
+ if (isPIC) {
+ MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(),
+ getFunctionNumber(),
+ MI->getOperand(2).getImm(), OutContext);
+ const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext);
+ unsigned PCAdj = (Opc == ARM::MOVi16_ga_pcrel) ? 8 : 4;
+ const MCExpr *PCRelExpr =
+ ARMMCExpr::CreateLower16(MCBinaryExpr::CreateSub(GVSymExpr,
+ MCBinaryExpr::CreateAdd(LabelSymExpr,
+ MCConstantExpr::Create(PCAdj, OutContext),
+ OutContext), OutContext), OutContext);
+ TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr));
+ } else {
+ const MCExpr *RefExpr= ARMMCExpr::CreateLower16(GVSymExpr, OutContext);
+ TmpInst.addOperand(MCOperand::CreateExpr(RefExpr));
}
+
+ // Add predicate operands.
+ TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+ TmpInst.addOperand(MCOperand::CreateReg(0));
+ // Add 's' bit operand (always reg0 for this)
+ TmpInst.addOperand(MCOperand::CreateReg(0));
+ OutStreamer.EmitInstruction(TmpInst);
+ return;
+ }
+ case ARM::MOVTi16_ga_pcrel:
+ case ARM::t2MOVTi16_ga_pcrel: {
+ MCInst TmpInst;
+ TmpInst.setOpcode(Opc == ARM::MOVTi16_ga_pcrel
+ ? ARM::MOVTi16 : ARM::t2MOVTi16);
+ TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
+ TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg()));
+
+ unsigned TF = MI->getOperand(2).getTargetFlags();
+ bool isPIC = TF == ARMII::MO_HI16_NONLAZY_PIC;
+ const GlobalValue *GV = MI->getOperand(2).getGlobal();
+ MCSymbol *GVSym = GetARMGVSymbol(GV);
+ const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext);
+ if (isPIC) {
+ MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(),
+ getFunctionNumber(),
+ MI->getOperand(3).getImm(), OutContext);
+ const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext);
+ unsigned PCAdj = (Opc == ARM::MOVTi16_ga_pcrel) ? 8 : 4;
+ const MCExpr *PCRelExpr =
+ ARMMCExpr::CreateUpper16(MCBinaryExpr::CreateSub(GVSymExpr,
+ MCBinaryExpr::CreateAdd(LabelSymExpr,
+ MCConstantExpr::Create(PCAdj, OutContext),
+ OutContext), OutContext), OutContext);
+ TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr));
+ } else {
+ const MCExpr *RefExpr= ARMMCExpr::CreateUpper16(GVSymExpr, OutContext);
+ TmpInst.addOperand(MCOperand::CreateExpr(RefExpr));
+ }
+ // Add predicate operands.
+ TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+ TmpInst.addOperand(MCOperand::CreateReg(0));
+ // Add 's' bit operand (always reg0 for this)
+ TmpInst.addOperand(MCOperand::CreateReg(0));
+ OutStreamer.EmitInstruction(TmpInst);
return;
}
case ARM::tPICADD: {
OutContext));
// Form and emit the add.
- MCInst AddInst;
- AddInst.setOpcode(ARM::tADDhirr);
- AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- AddInst.addOperand(MCOperand::CreateReg(ARM::PC));
- // Add predicate operands.
- AddInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- AddInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(AddInst);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tADDhirr)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(ARM::PC)
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
return;
}
case ARM::PICADD: {
OutContext));
// Form and emit the add.
- MCInst AddInst;
- AddInst.setOpcode(ARM::ADDrr);
- AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- AddInst.addOperand(MCOperand::CreateReg(ARM::PC));
- AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg()));
- // Add predicate operands.
- AddInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm()));
- AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg()));
- // Add 's' bit operand (always reg0 for this)
- AddInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(AddInst);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::ADDrr)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(ARM::PC)
+ .addReg(MI->getOperand(1).getReg())
+ // Add predicate operands.
+ .addImm(MI->getOperand(3).getImm())
+ .addReg(MI->getOperand(4).getReg())
+ // Add 's' bit operand (always reg0 for this)
+ .addReg(0));
return;
}
case ARM::PICSTR:
case ARM::PICLDRSB: Opcode = ARM::LDRSB; break;
case ARM::PICLDRSH: Opcode = ARM::LDRSH; break;
}
- MCInst LdStInst;
- LdStInst.setOpcode(Opcode);
- LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- LdStInst.addOperand(MCOperand::CreateReg(ARM::PC));
- LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg()));
- LdStInst.addOperand(MCOperand::CreateImm(0));
- // Add predicate operands.
- LdStInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm()));
- LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg()));
- OutStreamer.EmitInstruction(LdStInst);
+ OutStreamer.EmitInstruction(MCInstBuilder(Opcode)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(ARM::PC)
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(0)
+ // Add predicate operands.
+ .addImm(MI->getOperand(3).getImm())
+ .addReg(MI->getOperand(4).getReg()));
return;
}
/// in the function. The first operand is the ID# for this instruction, the
/// second is the index into the MachineConstantPool that this is, the third
/// is the size in bytes of this constant pool entry.
+ /// The required alignment is specified on the basic block holding this MI.
unsigned LabelId = (unsigned)MI->getOperand(0).getImm();
unsigned CPIdx = (unsigned)MI->getOperand(1).getIndex();
- EmitAlignment(2);
+ // If this is the first entry of the pool, mark it.
+ if (!InConstantPool) {
+ OutStreamer.EmitDataRegion(MCDR_DataRegion);
+ InConstantPool = true;
+ }
+
OutStreamer.EmitLabel(GetCPISymbol(LabelId));
const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPIdx];
EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal);
else
EmitGlobalConstant(MCPE.Val.ConstVal);
-
return;
}
case ARM::t2BR_JT: {
// Lower and emit the instruction itself, then the jump table following it.
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tMOVgpr2gpr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tMOVr)
+ .addReg(ARM::PC)
+ .addReg(MI->getOperand(0).getReg())
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
// Output the data for the jump table itself
EmitJump2Table(MI);
return;
}
case ARM::t2TBB_JT: {
// Lower and emit the instruction itself, then the jump table following it.
- MCInst TmpInst;
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::t2TBB)
+ .addReg(ARM::PC)
+ .addReg(MI->getOperand(0).getReg())
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
- TmpInst.setOpcode(ARM::t2TBB);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
// Output the data for the jump table itself
EmitJump2Table(MI);
// Make sure the next instruction is 2-byte aligned.
}
case ARM::t2TBH_JT: {
// Lower and emit the instruction itself, then the jump table following it.
- MCInst TmpInst;
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::t2TBH)
+ .addReg(ARM::PC)
+ .addReg(MI->getOperand(0).getReg())
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0));
- TmpInst.setOpcode(ARM::t2TBH);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
// Output the data for the jump table itself
EmitJump2Table(MI);
return;
// mov pc, target
MCInst TmpInst;
unsigned Opc = MI->getOpcode() == ARM::BR_JTr ?
- ARM::MOVr : ARM::tMOVgpr2gpr;
+ ARM::MOVr : ARM::tMOVr;
TmpInst.setOpcode(Opc);
TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
case ARM::BR_JTadd: {
// Lower and emit the instruction itself, then the jump table following it.
// add pc, target, idx
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::ADDrr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg()));
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- // Add 's' bit operand (always reg0 for this)
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::ADDrr)
+ .addReg(ARM::PC)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ // Add predicate operands.
+ .addImm(ARMCC::AL)
+ .addReg(0)
+ // Add 's' bit operand (always reg0 for this)
+ .addReg(0));
// Output the data for the jump table itself
EmitJumpTable(MI);
unsigned SrcReg = MI->getOperand(0).getReg();
unsigned ValReg = MI->getOperand(1).getReg();
MCSymbol *Label = GetARMSJLJEHLabel();
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tMOVgpr2tgpr);
- TmpInst.addOperand(MCOperand::CreateReg(ValReg));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- // 's' bit operand
- TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR));
- OutStreamer.AddComment("eh_setjmp begin");
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tADDi3);
- TmpInst.addOperand(MCOperand::CreateReg(ValReg));
+ OutStreamer.AddComment("eh_setjmp begin");
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tMOVr)
+ .addReg(ValReg)
+ .addReg(ARM::PC)
+ // Predicate.
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tADDi3)
+ .addReg(ValReg)
// 's' bit operand
- TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR));
- TmpInst.addOperand(MCOperand::CreateReg(ValReg));
- TmpInst.addOperand(MCOperand::CreateImm(7));
+ .addReg(ARM::CPSR)
+ .addReg(ValReg)
+ .addImm(7)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tSTR);
- TmpInst.addOperand(MCOperand::CreateReg(ValReg));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tSTRi)
+ .addReg(ValReg)
+ .addReg(SrcReg)
// The offset immediate is #4. The operand value is scaled by 4 for the
// tSTR instruction.
- TmpInst.addOperand(MCOperand::CreateImm(1));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(1)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tMOVi8);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R0));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR));
- TmpInst.addOperand(MCOperand::CreateImm(0));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tMOVi8)
+ .addReg(ARM::R0)
+ .addReg(ARM::CPSR)
+ .addImm(0)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, OutContext);
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tB);
- TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tMOVi8);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R0));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR));
- TmpInst.addOperand(MCOperand::CreateImm(1));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, OutContext);
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tB)
+ .addExpr(SymbolExpr)
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.AddComment("eh_setjmp end");
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tMOVi8)
+ .addReg(ARM::R0)
+ .addReg(ARM::CPSR)
+ .addImm(1)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.AddComment("eh_setjmp end");
- OutStreamer.EmitInstruction(TmpInst);
- }
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
OutStreamer.EmitLabel(Label);
return;
}
unsigned SrcReg = MI->getOperand(0).getReg();
unsigned ValReg = MI->getOperand(1).getReg();
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::ADDri);
- TmpInst.addOperand(MCOperand::CreateReg(ValReg));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateImm(8));
+ OutStreamer.AddComment("eh_setjmp begin");
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::ADDri)
+ .addReg(ValReg)
+ .addReg(ARM::PC)
+ .addImm(8)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// 's' bit operand (always reg0 for this).
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.AddComment("eh_setjmp begin");
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::STRi12);
- TmpInst.addOperand(MCOperand::CreateReg(ValReg));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(4));
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::STRi12)
+ .addReg(ValReg)
+ .addReg(SrcReg)
+ .addImm(4)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::MOVi);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R0));
- TmpInst.addOperand(MCOperand::CreateImm(0));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVi)
+ .addReg(ARM::R0)
+ .addImm(0)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// 's' bit operand (always reg0 for this).
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::ADDri);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
- TmpInst.addOperand(MCOperand::CreateImm(0));
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::ADDri)
+ .addReg(ARM::PC)
+ .addReg(ARM::PC)
+ .addImm(0)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// 's' bit operand (always reg0 for this).
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::MOVi);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R0));
- TmpInst.addOperand(MCOperand::CreateImm(1));
+ .addReg(0));
+
+ OutStreamer.AddComment("eh_setjmp end");
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVi)
+ .addReg(ARM::R0)
+ .addImm(1)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0)
// 's' bit operand (always reg0 for this).
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.AddComment("eh_setjmp end");
- OutStreamer.EmitInstruction(TmpInst);
- }
+ .addReg(0));
return;
}
case ARM::Int_eh_sjlj_longjmp: {
// bx $scratch
unsigned SrcReg = MI->getOperand(0).getReg();
unsigned ScratchReg = MI->getOperand(1).getReg();
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::LDRi12);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::SP));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(8));
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::LDRi12)
+ .addReg(ARM::SP)
+ .addReg(SrcReg)
+ .addImm(8)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::LDRi12);
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(4));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::LDRi12)
+ .addReg(ScratchReg)
+ .addReg(SrcReg)
+ .addImm(4)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::LDRi12);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R7));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(0));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::LDRi12)
+ .addReg(ARM::R7)
+ .addReg(SrcReg)
+ .addImm(0)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::BX);
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::BX)
+ .addReg(ScratchReg)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
+ .addImm(ARMCC::AL)
+ .addReg(0));
return;
}
case ARM::tInt_eh_sjlj_longjmp: {
// bx $scratch
unsigned SrcReg = MI->getOperand(0).getReg();
unsigned ScratchReg = MI->getOperand(1).getReg();
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tLDR);
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tLDRi)
+ .addReg(ScratchReg)
+ .addReg(SrcReg)
// The offset immediate is #8. The operand value is scaled by 4 for the
- // tSTR instruction.
- TmpInst.addOperand(MCOperand::CreateImm(2));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ // tLDR instruction.
+ .addImm(2)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tMOVtgpr2gpr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::SP));
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tMOVr)
+ .addReg(ARM::SP)
+ .addReg(ScratchReg)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tLDR);
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(1));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tLDRi)
+ .addReg(ScratchReg)
+ .addReg(SrcReg)
+ .addImm(1)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tLDR);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R7));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(0));
- TmpInst.addOperand(MCOperand::CreateReg(0));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tLDRi)
+ .addReg(ARM::R7)
+ .addReg(SrcReg)
+ .addImm(0)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
- {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tBX_RET_vararg);
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+ .addImm(ARMCC::AL)
+ .addReg(0));
+
+ OutStreamer.EmitInstruction(MCInstBuilder(ARM::tBX)
+ .addReg(ScratchReg)
// Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- }
+ .addImm(ARMCC::AL)
+ .addReg(0));
return;
}
}
MCInst TmpInst;
LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
+
OutStreamer.EmitInstruction(TmpInst);
}
// Target Registry Stuff
//===----------------------------------------------------------------------===//
-static MCInstPrinter *createARMMCInstPrinter(const Target &T,
- unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
- if (SyntaxVariant == 0)
- return new ARMInstPrinter(MAI);
- return 0;
-}
-
// Force static initialization.
extern "C" void LLVMInitializeARMAsmPrinter() {
RegisterAsmPrinter<ARMAsmPrinter> X(TheARMTarget);
RegisterAsmPrinter<ARMAsmPrinter> Y(TheThumbTarget);
-
- TargetRegistry::RegisterMCInstPrinter(TheARMTarget, createARMMCInstPrinter);
- TargetRegistry::RegisterMCInstPrinter(TheThumbTarget, createARMMCInstPrinter);
}
-
projects / oota-llvm.git / blobdiff