ARMTargetStreamer.cpp Source File (original) (raw)

22using namespace llvm;

36 return ConstantPools->addEntry(Streamer, Expr, 4, Loc);

37}

40 ConstantPools->emitForCurrentSection(Streamer);

41 ConstantPools->clearCacheForCurrentSection(Streamer);

42}

46 ConstantPools->emitAll(Streamer);

47}

53 unsigned Size;

54 char Buffer[4];

57 switch (Suffix) {

58 case '\0':

61 for (unsigned II = 0, IE = Size; II != IE; II++) {

62 const unsigned I = LittleEndian ? (Size - II - 1) : II;

63 Buffer[Size - II - 1] = uint8_t(Inst >> I * CHAR_BIT);

64 }

66 break;

67 case 'n':

68 case 'w':

69 Size = (Suffix == 'n' ? 2 : 4);

73 for (unsigned II = 0, IE = Size; II != IE; II = II + 2) {

74 const unsigned I0 = LittleEndian ? II + 0 : II + 1;

75 const unsigned I1 = LittleEndian ? II + 1 : II + 0;

76 Buffer[Size - II - 2] = uint8_t(Inst >> I0 * CHAR_BIT);

77 Buffer[Size - II - 1] = uint8_t(Inst >> I1 * CHAR_BIT);

78 }

80 break;

81 default:

83 }

85}

123

134

170

172

173 return (STI.hasFeature(ARM::HasV8MBaselineOps) &&

175 STI.hasFeature(ARM::HasV8MMainlineOps);

176}

177

178

179

182

184 if (!CPUString.empty() && !CPUString.starts_with("generic")) {

185

186 if (STI.hasFeature(ARM::ProcKrait)) {

188

189

190 if (STI.hasFeature(ARM::FeatureHWDivThumb) ||

191 STI.hasFeature(ARM::FeatureHWDivARM))

193 } else {

195 }

196 }

197

199

200 if (STI.hasFeature(ARM::FeatureAClass)) {

203 } else if (STI.hasFeature(ARM::FeatureRClass)) {

206 } else if (STI.hasFeature(ARM::FeatureMClass)) {

209 }

210

214

215 if (isV8M(STI)) {

218 } else if (STI.hasFeature(ARM::FeatureThumb2)) {

221 } else if (STI.hasFeature(ARM::HasV4TOps)) {

223 }

224

225 if (STI.hasFeature(ARM::FeatureNEON)) {

226

227

228 if (STI.hasFeature(ARM::FeatureFPARMv8)) {

229 if (STI.hasFeature(ARM::FeatureCrypto))

230 emitFPU(ARM::FK_CRYPTO_NEON_FP_ARMV8);

231 else

232 emitFPU(ARM::FK_NEON_FP_ARMV8);

233 } else if (STI.hasFeature(ARM::FeatureVFP4))

234 emitFPU(ARM::FK_NEON_VFPV4);

235 else

237 : ARM::FK_NEON);

238

244 } else {

245 if (STI.hasFeature(ARM::FeatureFPARMv8_D16_SP)) {

246

247

249 emitFPU(ARM::FK_FP_ARMV8);

250 else {

252 : ARM::FK_FPV5_SP_D16);

253 if (STI.hasFeature(ARM::HasMVEFloatOps))

255 }

256 } else if (STI.hasFeature(ARM::FeatureVFP4_D16_SP))

258 ? ARM::FK_VFPV4

259 : (STI.hasFeature(ARM::FeatureFP64) ? ARM::FK_VFPV4_D16

260 : ARM::FK_FPV4_SP_D16));

261 else if (STI.hasFeature(ARM::FeatureVFP3_D16_SP))

264

265 ? (STI.hasFeature(ARM::FeatureFP16) ? ARM::FK_VFPV3_FP16

266 : ARM::FK_VFPV3)

267

270 ? ARM::FK_VFPV3_D16_FP16

271 : ARM::FK_VFPV3_D16)

272 : (STI.hasFeature(ARM::FeatureFP16) ? ARM::FK_VFPV3XD_FP16

273 : ARM::FK_VFPV3XD)));

274 else if (STI.hasFeature(ARM::FeatureVFP2_SP))

276 }

277

278

279 if (STI.hasFeature(ARM::FeatureVFP2_SP) && !STI.hasFeature(ARM::FeatureFP64))

282

283 if (STI.hasFeature(ARM::FeatureFP16))

285

288

289 if (STI.hasFeature(ARM::HasMVEFloatOps))

291 else if (STI.hasFeature(ARM::HasMVEIntegerOps))

293

294

295

296

297

298

299

302

305

306 if (STI.hasFeature(ARM::FeatureStrictAlign))

309 else

312

313 if (STI.hasFeature(ARM::FeatureTrustZone) &&

314 STI.hasFeature(ARM::FeatureVirtualization))

317 else if (STI.hasFeature(ARM::FeatureTrustZone))

319 else if (STI.hasFeature(ARM::FeatureVirtualization))

322

323 if (STI.hasFeature(ARM::FeaturePACBTI)) {

326 }

327}

328

332 if (TT.isOSBinFormatELF())

334 if (TT.isOSBinFormatCOFF())

336 if (TT.isOSBinFormatMachO())

339}

static bool isV8M(const MCSubtargetInfo &STI)

Definition ARMTargetStreamer.cpp:171

static ARMBuildAttrs::CPUArch getArchForCPU(const MCSubtargetInfo &STI)

Definition ARMTargetStreamer.cpp:135

uint64_t IntrinsicInst * II

virtual void emitUnwindRaw(int64_t StackOffset, const SmallVectorImpl< uint8_t > &Opcodes)

Definition ARMTargetStreamer.cpp:101

~ARMTargetStreamer() override

void emitTargetAttributes(const MCSubtargetInfo &STI)

Emit the build attributes that only depend on the hardware that we expect.

Definition ARMTargetStreamer.cpp:180

virtual void reset()

Reset any state between object emissions, i.e.

Definition ARMTargetStreamer.cpp:50

virtual void emitSetFP(MCRegister FpReg, MCRegister SpReg, int64_t Offset=0)

Definition ARMTargetStreamer.cpp:95

virtual void annotateTLSDescriptorSequence(const MCSymbolRefExpr *SRE)

Definition ARMTargetStreamer.cpp:116

virtual void finishAttributeSection()

Definition ARMTargetStreamer.cpp:115

virtual void emitFnEnd()

Definition ARMTargetStreamer.cpp:90

ARMTargetStreamer(MCStreamer &S)

Definition ARMTargetStreamer.cpp:28

virtual void emitMovSP(MCRegister Reg, int64_t Offset=0)

Definition ARMTargetStreamer.cpp:97

virtual void emitARMWinCFISaveSP(unsigned Reg)

Definition ARMTargetStreamer.cpp:126

virtual void emitPersonalityIndex(unsigned Index)

Definition ARMTargetStreamer.cpp:93

virtual void emitInst(uint32_t Inst, char Suffix='\0')

Definition ARMTargetStreamer.cpp:52

virtual void emitARMWinCFISaveLR(unsigned Offset)

Definition ARMTargetStreamer.cpp:128

virtual void emitArchExtension(uint64_t ArchExt)

Definition ARMTargetStreamer.cpp:112

virtual void emitTextAttribute(unsigned Attribute, StringRef String)

Definition ARMTargetStreamer.cpp:106

virtual void emitARMWinCFIAllocStack(unsigned Size, bool Wide)

Definition ARMTargetStreamer.cpp:124

virtual void emitARMWinCFICustom(unsigned Opcode)

Definition ARMTargetStreamer.cpp:133

virtual void emitARMWinCFISaveRegMask(unsigned Mask, bool Wide)

Definition ARMTargetStreamer.cpp:125

virtual void emitRegSave(const SmallVectorImpl< MCRegister > &RegList, bool isVector)

Definition ARMTargetStreamer.cpp:99

virtual void emitARMWinCFIEpilogEnd()

Definition ARMTargetStreamer.cpp:132

virtual void emitARMWinCFIPrologEnd(bool Fragment)

Definition ARMTargetStreamer.cpp:130

virtual void switchVendor(StringRef Vendor)

Definition ARMTargetStreamer.cpp:104

virtual void emitCode16()

Definition ARMTargetStreamer.cpp:119

virtual void emitFnStart()

Definition ARMTargetStreamer.cpp:89

virtual void emitPersonality(const MCSymbol *Personality)

Definition ARMTargetStreamer.cpp:92

virtual void emitObjectArch(ARM::ArchKind Arch)

Definition ARMTargetStreamer.cpp:113

const MCExpr * addConstantPoolEntry(const MCExpr *, SMLoc Loc)

Callback used to implement the ldr= pseudo.

Definition ARMTargetStreamer.cpp:35

virtual void emitHandlerData()

Definition ARMTargetStreamer.cpp:94

virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue, StringRef StringValue="")

Definition ARMTargetStreamer.cpp:108

virtual void emitThumbSet(MCSymbol *Symbol, const MCExpr *Value)

Definition ARMTargetStreamer.cpp:122

virtual void emitThumbFunc(MCSymbol *Symbol)

Definition ARMTargetStreamer.cpp:121

virtual void emitFPU(ARM::FPUKind FPU)

Definition ARMTargetStreamer.cpp:114

virtual void emitCantUnwind()

Definition ARMTargetStreamer.cpp:91

virtual void emitARMWinCFISaveFRegs(unsigned First, unsigned Last)

Definition ARMTargetStreamer.cpp:127

virtual void emitCode32()

Definition ARMTargetStreamer.cpp:120

virtual void emitSyntaxUnified()

Definition ARMTargetStreamer.cpp:118

virtual void emitARMWinCFIEpilogStart(unsigned Condition)

Definition ARMTargetStreamer.cpp:131

virtual void emitPad(int64_t Offset)

Definition ARMTargetStreamer.cpp:98

void emitCurrentConstantPool()

Callback used to implement the .ltorg directive.

Definition ARMTargetStreamer.cpp:39

virtual void emitAttribute(unsigned Attribute, unsigned Value)

Definition ARMTargetStreamer.cpp:105

virtual void emitARMWinCFINop(bool Wide)

Definition ARMTargetStreamer.cpp:129

void emitConstantPools() override

Definition ARMTargetStreamer.cpp:45

virtual void emitArch(ARM::ArchKind Arch)

Definition ARMTargetStreamer.cpp:111

Functions, function parameters, and return types can have attributes to indicate how they should be t...

bool isLittleEndian() const

True if the target is little endian.

const MCAsmInfo * getAsmInfo() const

Base class for the full range of assembler expressions which are needed for parsing.

Wrapper class representing physical registers. Should be passed by value.

Streaming machine code generation interface.

virtual void emitBytes(StringRef Data)

Emit the bytes in Data into the output.

Generic base class for all target subtargets.

bool hasFeature(unsigned Feature) const

const Triple & getTargetTriple() const

Represent a reference to a symbol from inside an expression.

MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...

Target specific streamer interface.

MCStreamer & getStreamer()

MCTargetStreamer(MCStreamer &S)

Represents a location in source code.

This class consists of common code factored out of the SmallVector class to reduce code duplication b...

StackOffset holds a fixed and a scalable offset in bytes.

StringRef - Represent a constant reference to a string, i.e.

bool starts_with(StringRef Prefix) const

Check if this string starts with the given Prefix.

constexpr bool empty() const

empty - Check if the string is empty.

Triple - Helper class for working with autoconf configuration names.

LLVM Value Representation.

#define llvm_unreachable(msg)

Marks that the current location is not supposed to be reachable.

@ AllowMVEIntegerAndFloat

This is an optimization pass for GlobalISel generic memory operations.

MCTargetStreamer * createARMObjectTargetMachOStreamer(MCStreamer &S)

MCTargetStreamer * createARMObjectTargetELFStreamer(MCStreamer &S)

@ First

Helpers to iterate all locations in the MemoryEffectsBase class.

MCTargetStreamer * createARMObjectTargetWinCOFFStreamer(MCStreamer &S)

MCTargetStreamer * createARMObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI)

Definition ARMTargetStreamer.cpp:330