//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asm-printer"
-#include "ARM.h"
#include "ARMAsmPrinter.h"
-#include "ARMAddressingModes.h"
+#include "ARM.h"
#include "ARMBuildAttrs.h"
-#include "ARMBaseRegisterInfo.h"
#include "ARMConstantPoolValue.h"
#include "ARMMachineFunctionInfo.h"
-#include "ARMMCExpr.h"
#include "ARMTargetMachine.h"
#include "ARMTargetObjectFile.h"
#include "InstPrinter/ARMInstPrinter.h"
-#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/Module.h"
-#include "llvm/Type.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;
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 ") + LowercaseString(String));
+ 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 ") + LowercaseString(String));
- break;
- default: assert(0 && "Unsupported Text attribute in ASM Mode"); break;
+ 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 EmitTextAttribute(unsigned Attribute, StringRef String) {
- Contents += Attribute;
- Contents += UppercaseString(String);
- Contents += 0;
+ AttributeItemType attr = {
+ AttributeItemType::TextAttribute,
+ Attribute,
+ 0,
+ String
+ };
+ ContentsSize += getULEBSize(Attribute);
+ // String + \0
+ ContentsSize += String.size()+1;
+
+ Contents.push_back(attr);
}
void Finish() {
- const size_t ContentsSize = Contents.size();
-
// 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;
}
-/// getDwarfRegOpSize - get size required to emit given machine location using
-/// dwarf encoding.
-unsigned ARMAsmPrinter::getDwarfRegOpSize(const MachineLocation &MLoc) const {
- const TargetRegisterInfo *RI = TM.getRegisterInfo();
- if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1)
- return AsmPrinter::getDwarfRegOpSize(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;
- unsigned Rx = 256 + (SReg >> 1);
- // DW_OP_regx + ULEB + DW_OP_bit_piece + ULEB + ULEB
- // 1 + ULEB(Rx) + 1 + 1 + 1
- return 4 + MCAsmInfo::getULEB128Size(Rx);
- }
-
- 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;
-
- // DW_OP_regx + ULEB + DW_OP_piece + ULEB(8) +
- // DW_OP_regx + ULEB + DW_OP_piece + ULEB(8);
- // 6 + ULEB(D1) + ULEB(D2)
- return 6 + MCAsmInfo::getULEB128Size(D1) + MCAsmInfo::getULEB128Size(D2);
- }
- }
- return 0;
-}
-
/// EmitDwarfRegOp - Emit dwarf register operation.
void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const {
const TargetRegisterInfo *RI = TM.getRegisterInfo();
// 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);
} 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)
+ // 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);
}
}
+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.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':
- // These modifiers are not yet supported.
+ 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();
- }
}
AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use,
ARMBuildAttrs::Allowed);
} else if (CPUString == "generic") {
- // FIXME: Why these defaults?
- AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T);
+ // 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::Allowed);
- }
+ 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);
if (Subtarget->hasNEON() && emitFPU) {
/* NEON is not exactly a VFP architecture, but GAS emit one of
- * neon/vfpv3/vfpv2 for .fpu parameters */
- AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, "neon");
+ * 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;
}
+ /* VFPv4 + .fpu */
+ if (Subtarget->hasVFP4()) {
+ AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,
+ ARMBuildAttrs::AllowFPv4A);
+ if (emitFPU)
+ AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv4");
+
/* VFPv3 + .fpu */
- if (Subtarget->hasVFP3()) {
+ } else if (Subtarget->hasVFP3()) {
AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch,
ARMBuildAttrs::AllowFPv3A);
if (emitFPU)
}
/* TODO: ARMBuildAttrs::Allowed is not completely accurate,
- * since NEON can have 1 (allowed) or 2 (fused MAC operations) */
+ * 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) {
+ if (!TM.Options.UnsafeFPMath) {
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_denormal,
ARMBuildAttrs::Allowed);
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_exceptions,
ARMBuildAttrs::Allowed);
}
- if (NoInfsFPMath && NoNaNsFPMath)
+ if (TM.Options.NoInfsFPMath && TM.Options.NoNaNsFPMath)
AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model,
ARMBuildAttrs::Allowed);
else
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);
}
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) {
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();
+ 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);
}
-static void populateADROperands(MCInst &Inst, unsigned Dest,
- const MCSymbol *Label,
- unsigned pred, unsigned ccreg,
- MCContext &Ctx) {
- const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, Ctx);
- Inst.addOperand(MCOperand::CreateReg(Dest));
- Inst.addOperand(MCOperand::CreateExpr(SymbolExpr));
- // Add predicate operands.
- Inst.addOperand(MCOperand::CreateImm(pred));
- Inst.addOperand(MCOperand::CreateReg(ccreg));
-}
-
-void ARMAsmPrinter::EmitPatchedInstruction(const MachineInstr *MI,
- unsigned Opcode) {
- MCInst TmpInst;
-
- // Emit the instruction as usual, just patch the opcode.
- LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
- TmpInst.setOpcode(Opcode);
- OutStreamer.EmitInstruction(TmpInst);
-}
-
void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
assert(MI->getFlag(MachineInstr::FrameSetup) &&
"Only instruction which are involved into frame setup code are allowed");
}
// Try to figure out the unwinding opcode out of src / dst regs.
- if (MI->getDesc().mayStore()) {
+ if (MI->mayStore()) {
// Register saves.
assert(DstReg == ARM::SP &&
"Only stack pointer as a destination reg is supported");
switch (Opc) {
default:
MI->dump();
- assert(0 && "Unsupported opcode for unwinding information");
+ 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;
assert(SrcReg == ARM::SP &&
"Only stack pointer as a source reg is supported");
for (unsigned i = StartOp, NumOps = MI->getNumOperands() - NumOffset;
- i != NumOps; ++i)
- RegList.push_back(MI->getOperand(i).getReg());
+ 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:
+ 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);
switch (Opc) {
default:
MI->dump();
- assert(0 && "Unsupported opcode for unwinding information");
+ llvm_unreachable("Unsupported opcode for unwinding information");
case ARM::MOVr:
- case ARM::tMOVgpr2gpr:
- case ARM::tMOVgpr2tgpr:
+ case ARM::tMOVr:
Offset = 0;
break;
case ARM::ADDri:
Offset = -MI->getOperand(2).getImm();
break;
case ARM::SUBri:
- case ARM::t2SUBrSPi:
- Offset = MI->getOperand(2).getImm();
+ case ARM::t2SUBri:
+ Offset = MI->getOperand(2).getImm();
break;
case ARM::tSUBspi:
- Offset = MI->getOperand(2).getImm()*4;
+ Offset = MI->getOperand(2).getImm()*4;
break;
case ARM::tADDspi:
case ARM::tADDrSPi:
OutStreamer.EmitPad(Offset);
} else {
MI->dump();
- assert(0 && "Unsupported opcode for unwinding information");
+ llvm_unreachable("Unsupported opcode for unwinding information");
}
} else if (DstReg == ARM::SP) {
// FIXME: .movsp goes here
MI->dump();
- assert(0 && "Unsupported opcode for unwinding information");
+ llvm_unreachable("Unsupported opcode for unwinding information");
}
else {
MI->dump();
- assert(0 && "Unsupported opcode for unwinding information");
+ 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) {
- unsigned Opc = MI->getOpcode();
- switch (Opc) {
- default: break;
- case ARM::B: {
- // B is just a Bcc with an 'always' predicate.
- MCInst TmpInst;
- LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
- TmpInst.setOpcode(ARM::Bcc);
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.EmitInstruction(TmpInst);
- return;
+ // If we just ended a constant pool, mark it as such.
+ if (InConstantPool && MI->getOpcode() != ARM::CONSTPOOL_ENTRY) {
+ OutStreamer.EmitDataRegion(MCDR_DataRegionEnd);
+ InConstantPool = false;
}
- case ARM::LDMIA_RET: {
- // LDMIA_RET is just a normal LDMIA_UPD instruction that targets PC and as
- // such has additional code-gen properties and scheduling information.
- // To emit it, we just construct as normal and set the opcode to LDMIA_UPD.
- MCInst TmpInst;
- LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
- TmpInst.setOpcode(ARM::LDMIA_UPD);
- OutStreamer.EmitInstruction(TmpInst);
+
+ // 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;
- }
- case ARM::t2ADDrSPi:
- case ARM::t2ADDrSPi12:
- case ARM::t2SUBrSPi:
- case ARM::t2SUBrSPi12:
- assert ((MI->getOperand(1).getReg() == ARM::SP) &&
- "Unexpected source register!");
- break;
- case ARM::t2MOVi32imm: assert(0 && "Should be lowered by thumb2it pass");
+ 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::tBfar: {
- MCInst TmpInst;
- TmpInst.setOpcode(ARM::tBL);
- TmpInst.addOperand(MCOperand::CreateExpr(MCSymbolRefExpr::Create(
- MI->getOperand(0).getMBB()->getSymbol(), OutContext)));
- OutStreamer.EmitInstruction(TmpInst);
- return;
- }
case ARM::LEApcrel:
case ARM::tLEApcrel:
case ARM::t2LEApcrel: {
// FIXME: Need to also handle globals and externals
- MCInst TmpInst;
- TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrel ? ARM::t2ADR
- : (MI->getOpcode() == ARM::tLEApcrel ? ARM::tADR
- : ARM::ADR));
- populateADROperands(TmpInst, MI->getOperand(0).getReg(),
- GetCPISymbol(MI->getOperand(1).getIndex()),
- MI->getOperand(2).getImm(), MI->getOperand(3).getReg(),
- OutContext);
- OutStreamer.EmitInstruction(TmpInst);
+ 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::LEApcrelJT:
case ARM::tLEApcrelJT:
case ARM::t2LEApcrelJT: {
- MCInst TmpInst;
- TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrelJT ? ARM::t2ADR
- : (MI->getOpcode() == ARM::tLEApcrelJT ? ARM::tADR
- : ARM::ADR));
- populateADROperands(TmpInst, MI->getOperand(0).getReg(),
- GetARMJTIPICJumpTableLabel2(MI->getOperand(1).getIndex(),
- MI->getOperand(2).getImm()),
- MI->getOperand(3).getImm(), MI->getOperand(4).getReg(),
- OutContext);
- OutStreamer.EmitInstruction(TmpInst);
- 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);
+ 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::BLr9:
- case ARM::BLr9_pred:
- case ARM::BLXr9:
- case ARM::BLXr9_pred: {
- unsigned newOpc;
- switch (Opc) {
- default: assert(0);
- case ARM::BLr9: newOpc = ARM::BL; break;
- case ARM::BLr9_pred: newOpc = ARM::BL_pred; break;
- case ARM::BLXr9: newOpc = ARM::BLX; break;
- case ARM::BLXr9_pred: newOpc = ARM::BLX_pred; break;
- }
- MCInst TmpInst;
- LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
- TmpInst.setOpcode(newOpc);
- OutStreamer.EmitInstruction(TmpInst);
- return;
- }
- case ARM::BXr9_CALL:
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:
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()));
OutStreamer.EmitInstruction(TmpInst);
// Make sure the Thumb jump table is 4-byte aligned.
- if (Opc == ARM::tMOVgpr2gpr)
+ if (Opc == ARM::tMOVr)
EmitAlignment(2);
// Output the data for the jump table itself
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::tSTRi);
- 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));
+ .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::tLDRi);
- 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
// tLDR instruction.
- TmpInst.addOperand(MCOperand::CreateImm(2));
+ .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::tLDRi);
- TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- TmpInst.addOperand(MCOperand::CreateImm(1));
+ .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::tLDRr);
- TmpInst.addOperand(MCOperand::CreateReg(ARM::R7));
- TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
- 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);
- }
- return;
- }
- // Tail jump branches are really just branch instructions with additional
- // code-gen attributes. Convert them to the canonical form here.
- case ARM::TAILJMPd:
- case ARM::TAILJMPdND: {
- MCInst TmpInst, TmpInst2;
- // Lower the instruction as-is to get the operands properly converted.
- LowerARMMachineInstrToMCInst(MI, TmpInst2, *this);
- TmpInst.setOpcode(ARM::Bcc);
- TmpInst.addOperand(TmpInst2.getOperand(0));
- // Add predicate operands.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.AddComment("TAILCALL");
- OutStreamer.EmitInstruction(TmpInst);
- return;
- }
- case ARM::tTAILJMPd:
- case ARM::tTAILJMPdND: {
- MCInst TmpInst, TmpInst2;
- LowerARMMachineInstrToMCInst(MI, TmpInst2, *this);
- TmpInst.setOpcode(ARM::tB);
- TmpInst.addOperand(TmpInst2.getOperand(0));
- OutStreamer.AddComment("TAILCALL");
- OutStreamer.EmitInstruction(TmpInst);
- return;
- }
- case ARM::TAILJMPrND:
- case ARM::tTAILJMPrND:
- case ARM::TAILJMPr:
- case ARM::tTAILJMPr: {
- unsigned newOpc = (Opc == ARM::TAILJMPr || Opc == ARM::TAILJMPrND)
- ? ARM::BX : ARM::tBX;
- MCInst TmpInst;
- TmpInst.setOpcode(newOpc);
- TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
- // Predicate.
- TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
- TmpInst.addOperand(MCOperand::CreateReg(0));
- OutStreamer.AddComment("TAILCALL");
- OutStreamer.EmitInstruction(TmpInst);
+ .addImm(ARMCC::AL)
+ .addReg(0));
return;
}
-
- // These are the pseudos created to comply with stricter operand restrictions
- // on ARMv5. Lower them now to "normal" instructions, since all the
- // restrictions are already satisfied.
- case ARM::MULv5:
- EmitPatchedInstruction(MI, ARM::MUL);
- return;
- case ARM::MLAv5:
- EmitPatchedInstruction(MI, ARM::MLA);
- return;
- case ARM::SMULLv5:
- EmitPatchedInstruction(MI, ARM::SMULL);
- return;
- case ARM::UMULLv5:
- EmitPatchedInstruction(MI, ARM::UMULL);
- return;
- case ARM::SMLALv5:
- EmitPatchedInstruction(MI, ARM::SMLAL);
- return;
- case ARM::UMLALv5:
- EmitPatchedInstruction(MI, ARM::UMLAL);
- return;
- case ARM::UMAALv5:
- EmitPatchedInstruction(MI, ARM::UMAAL);
- return;
}
MCInst TmpInst;
LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
- // Emit unwinding stuff for frame-related instructions
- if (EnableARMEHABI && MI->getFlag(MachineInstr::FrameSetup))
- EmitUnwindingInstruction(MI);
-
OutStreamer.EmitInstruction(TmpInst);
}
// Target Registry Stuff
//===----------------------------------------------------------------------===//
-static MCInstPrinter *createARMMCInstPrinter(const Target &T,
- TargetMachine &TM,
- unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
- if (SyntaxVariant == 0)
- return new ARMInstPrinter(TM, 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