Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "code_generator_arm64.h" |
| 18 | |
| 19 | #include "entrypoints/quick/quick_entrypoints.h" |
| 20 | #include "gc/accounting/card_table.h" |
| 21 | #include "mirror/array-inl.h" |
| 22 | #include "mirror/art_method.h" |
| 23 | #include "mirror/class.h" |
| 24 | #include "thread.h" |
| 25 | #include "utils/arm64/assembler_arm64.h" |
| 26 | #include "utils/assembler.h" |
| 27 | #include "utils/stack_checks.h" |
| 28 | |
| 29 | |
| 30 | using namespace vixl; // NOLINT(build/namespaces) |
| 31 | |
| 32 | #ifdef __ |
| 33 | #error "ARM64 Codegen VIXL macro-assembler macro already defined." |
| 34 | #endif |
| 35 | |
| 36 | |
| 37 | namespace art { |
| 38 | |
| 39 | namespace arm64 { |
| 40 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 41 | static constexpr bool kExplicitStackOverflowCheck = false; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 42 | static constexpr size_t kHeapRefSize = sizeof(mirror::HeapReference<mirror::Object>); |
| 43 | static constexpr int kCurrentMethodStackOffset = 0; |
| 44 | |
| 45 | namespace { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 46 | |
| 47 | bool IsFPType(Primitive::Type type) { |
| 48 | return type == Primitive::kPrimFloat || type == Primitive::kPrimDouble; |
| 49 | } |
| 50 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 51 | bool IsIntegralType(Primitive::Type type) { |
| 52 | switch (type) { |
| 53 | case Primitive::kPrimByte: |
| 54 | case Primitive::kPrimChar: |
| 55 | case Primitive::kPrimShort: |
| 56 | case Primitive::kPrimInt: |
| 57 | case Primitive::kPrimLong: |
| 58 | return true; |
| 59 | default: |
| 60 | return false; |
| 61 | } |
| 62 | } |
| 63 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 64 | bool Is64BitType(Primitive::Type type) { |
| 65 | return type == Primitive::kPrimLong || type == Primitive::kPrimDouble; |
| 66 | } |
| 67 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 68 | // Convenience helpers to ease conversion to and from VIXL operands. |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 69 | static_assert((SP == 31) && (WSP == 31) && (XZR == 32) && (WZR == 32), |
| 70 | "Unexpected values for register codes."); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 71 | |
| 72 | int VIXLRegCodeFromART(int code) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 73 | if (code == SP) { |
| 74 | return vixl::kSPRegInternalCode; |
| 75 | } |
| 76 | if (code == XZR) { |
| 77 | return vixl::kZeroRegCode; |
| 78 | } |
| 79 | return code; |
| 80 | } |
| 81 | |
| 82 | int ARTRegCodeFromVIXL(int code) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 83 | if (code == vixl::kSPRegInternalCode) { |
| 84 | return SP; |
| 85 | } |
| 86 | if (code == vixl::kZeroRegCode) { |
| 87 | return XZR; |
| 88 | } |
| 89 | return code; |
| 90 | } |
| 91 | |
| 92 | Register XRegisterFrom(Location location) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 93 | DCHECK(location.IsRegister()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 94 | return Register::XRegFromCode(VIXLRegCodeFromART(location.reg())); |
| 95 | } |
| 96 | |
| 97 | Register WRegisterFrom(Location location) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 98 | DCHECK(location.IsRegister()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 99 | return Register::WRegFromCode(VIXLRegCodeFromART(location.reg())); |
| 100 | } |
| 101 | |
| 102 | Register RegisterFrom(Location location, Primitive::Type type) { |
| 103 | DCHECK(type != Primitive::kPrimVoid && !IsFPType(type)); |
| 104 | return type == Primitive::kPrimLong ? XRegisterFrom(location) : WRegisterFrom(location); |
| 105 | } |
| 106 | |
| 107 | Register OutputRegister(HInstruction* instr) { |
| 108 | return RegisterFrom(instr->GetLocations()->Out(), instr->GetType()); |
| 109 | } |
| 110 | |
| 111 | Register InputRegisterAt(HInstruction* instr, int input_index) { |
| 112 | return RegisterFrom(instr->GetLocations()->InAt(input_index), |
| 113 | instr->InputAt(input_index)->GetType()); |
| 114 | } |
| 115 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 116 | FPRegister DRegisterFrom(Location location) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 117 | DCHECK(location.IsFpuRegister()); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 118 | return FPRegister::DRegFromCode(location.reg()); |
| 119 | } |
| 120 | |
| 121 | FPRegister SRegisterFrom(Location location) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 122 | DCHECK(location.IsFpuRegister()); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 123 | return FPRegister::SRegFromCode(location.reg()); |
| 124 | } |
| 125 | |
| 126 | FPRegister FPRegisterFrom(Location location, Primitive::Type type) { |
| 127 | DCHECK(IsFPType(type)); |
| 128 | return type == Primitive::kPrimDouble ? DRegisterFrom(location) : SRegisterFrom(location); |
| 129 | } |
| 130 | |
| 131 | FPRegister OutputFPRegister(HInstruction* instr) { |
| 132 | return FPRegisterFrom(instr->GetLocations()->Out(), instr->GetType()); |
| 133 | } |
| 134 | |
| 135 | FPRegister InputFPRegisterAt(HInstruction* instr, int input_index) { |
| 136 | return FPRegisterFrom(instr->GetLocations()->InAt(input_index), |
| 137 | instr->InputAt(input_index)->GetType()); |
| 138 | } |
| 139 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 140 | CPURegister CPURegisterFrom(Location location, Primitive::Type type) { |
| 141 | return IsFPType(type) ? CPURegister(FPRegisterFrom(location, type)) |
| 142 | : CPURegister(RegisterFrom(location, type)); |
| 143 | } |
| 144 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 145 | CPURegister OutputCPURegister(HInstruction* instr) { |
| 146 | return IsFPType(instr->GetType()) ? static_cast<CPURegister>(OutputFPRegister(instr)) |
| 147 | : static_cast<CPURegister>(OutputRegister(instr)); |
| 148 | } |
| 149 | |
| 150 | CPURegister InputCPURegisterAt(HInstruction* instr, int index) { |
| 151 | return IsFPType(instr->InputAt(index)->GetType()) |
| 152 | ? static_cast<CPURegister>(InputFPRegisterAt(instr, index)) |
| 153 | : static_cast<CPURegister>(InputRegisterAt(instr, index)); |
| 154 | } |
| 155 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 156 | int64_t Int64ConstantFrom(Location location) { |
| 157 | HConstant* instr = location.GetConstant(); |
| 158 | return instr->IsIntConstant() ? instr->AsIntConstant()->GetValue() |
| 159 | : instr->AsLongConstant()->GetValue(); |
| 160 | } |
| 161 | |
| 162 | Operand OperandFrom(Location location, Primitive::Type type) { |
| 163 | if (location.IsRegister()) { |
| 164 | return Operand(RegisterFrom(location, type)); |
| 165 | } else { |
| 166 | return Operand(Int64ConstantFrom(location)); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | Operand InputOperandAt(HInstruction* instr, int input_index) { |
| 171 | return OperandFrom(instr->GetLocations()->InAt(input_index), |
| 172 | instr->InputAt(input_index)->GetType()); |
| 173 | } |
| 174 | |
| 175 | MemOperand StackOperandFrom(Location location) { |
| 176 | return MemOperand(sp, location.GetStackIndex()); |
| 177 | } |
| 178 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 179 | MemOperand HeapOperand(const Register& base, size_t offset = 0) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 180 | // A heap reference must be 32bit, so fit in a W register. |
| 181 | DCHECK(base.IsW()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 182 | return MemOperand(base.X(), offset); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 183 | } |
| 184 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 185 | MemOperand HeapOperand(const Register& base, Offset offset) { |
| 186 | return HeapOperand(base, offset.SizeValue()); |
| 187 | } |
| 188 | |
| 189 | MemOperand HeapOperandFrom(Location location, Offset offset) { |
| 190 | return HeapOperand(RegisterFrom(location, Primitive::kPrimNot), offset); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | Location LocationFrom(const Register& reg) { |
| 194 | return Location::RegisterLocation(ARTRegCodeFromVIXL(reg.code())); |
| 195 | } |
| 196 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 197 | Location LocationFrom(const FPRegister& fpreg) { |
| 198 | return Location::FpuRegisterLocation(fpreg.code()); |
| 199 | } |
| 200 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 201 | } // namespace |
| 202 | |
| 203 | inline Condition ARM64Condition(IfCondition cond) { |
| 204 | switch (cond) { |
| 205 | case kCondEQ: return eq; |
| 206 | case kCondNE: return ne; |
| 207 | case kCondLT: return lt; |
| 208 | case kCondLE: return le; |
| 209 | case kCondGT: return gt; |
| 210 | case kCondGE: return ge; |
| 211 | default: |
| 212 | LOG(FATAL) << "Unknown if condition"; |
| 213 | } |
| 214 | return nv; // Unreachable. |
| 215 | } |
| 216 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 217 | Location ARM64ReturnLocation(Primitive::Type return_type) { |
| 218 | DCHECK_NE(return_type, Primitive::kPrimVoid); |
| 219 | // Note that in practice, `LocationFrom(x0)` and `LocationFrom(w0)` create the |
| 220 | // same Location object, and so do `LocationFrom(d0)` and `LocationFrom(s0)`, |
| 221 | // but we use the exact registers for clarity. |
| 222 | if (return_type == Primitive::kPrimFloat) { |
| 223 | return LocationFrom(s0); |
| 224 | } else if (return_type == Primitive::kPrimDouble) { |
| 225 | return LocationFrom(d0); |
| 226 | } else if (return_type == Primitive::kPrimLong) { |
| 227 | return LocationFrom(x0); |
| 228 | } else { |
| 229 | return LocationFrom(w0); |
| 230 | } |
| 231 | } |
| 232 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 233 | static const Register kRuntimeParameterCoreRegisters[] = { x0, x1, x2, x3, x4, x5, x6, x7 }; |
| 234 | static constexpr size_t kRuntimeParameterCoreRegistersLength = |
| 235 | arraysize(kRuntimeParameterCoreRegisters); |
| 236 | static const FPRegister kRuntimeParameterFpuRegisters[] = { }; |
| 237 | static constexpr size_t kRuntimeParameterFpuRegistersLength = 0; |
| 238 | |
| 239 | class InvokeRuntimeCallingConvention : public CallingConvention<Register, FPRegister> { |
| 240 | public: |
| 241 | static constexpr size_t kParameterCoreRegistersLength = arraysize(kParameterCoreRegisters); |
| 242 | |
| 243 | InvokeRuntimeCallingConvention() |
| 244 | : CallingConvention(kRuntimeParameterCoreRegisters, |
| 245 | kRuntimeParameterCoreRegistersLength, |
| 246 | kRuntimeParameterFpuRegisters, |
| 247 | kRuntimeParameterFpuRegistersLength) {} |
| 248 | |
| 249 | Location GetReturnLocation(Primitive::Type return_type); |
| 250 | |
| 251 | private: |
| 252 | DISALLOW_COPY_AND_ASSIGN(InvokeRuntimeCallingConvention); |
| 253 | }; |
| 254 | |
| 255 | Location InvokeRuntimeCallingConvention::GetReturnLocation(Primitive::Type return_type) { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 256 | return ARM64ReturnLocation(return_type); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 257 | } |
| 258 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 259 | #define __ down_cast<CodeGeneratorARM64*>(codegen)->GetVIXLAssembler()-> |
| 260 | #define QUICK_ENTRY_POINT(x) QUICK_ENTRYPOINT_OFFSET(kArm64WordSize, x).Int32Value() |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 261 | |
| 262 | class SlowPathCodeARM64 : public SlowPathCode { |
| 263 | public: |
| 264 | SlowPathCodeARM64() : entry_label_(), exit_label_() {} |
| 265 | |
| 266 | vixl::Label* GetEntryLabel() { return &entry_label_; } |
| 267 | vixl::Label* GetExitLabel() { return &exit_label_; } |
| 268 | |
| 269 | private: |
| 270 | vixl::Label entry_label_; |
| 271 | vixl::Label exit_label_; |
| 272 | |
| 273 | DISALLOW_COPY_AND_ASSIGN(SlowPathCodeARM64); |
| 274 | }; |
| 275 | |
| 276 | class BoundsCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| 277 | public: |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 278 | BoundsCheckSlowPathARM64(HBoundsCheck* instruction, |
| 279 | Location index_location, |
| 280 | Location length_location) |
| 281 | : instruction_(instruction), |
| 282 | index_location_(index_location), |
| 283 | length_location_(length_location) {} |
| 284 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 285 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 286 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 287 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 288 | __ Bind(GetEntryLabel()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 289 | // We're moving two locations to locations that could overlap, so we need a parallel |
| 290 | // move resolver. |
| 291 | InvokeRuntimeCallingConvention calling_convention; |
| 292 | codegen->EmitParallelMoves( |
| 293 | index_location_, LocationFrom(calling_convention.GetRegisterAt(0)), |
| 294 | length_location_, LocationFrom(calling_convention.GetRegisterAt(1))); |
| 295 | arm64_codegen->InvokeRuntime( |
| 296 | QUICK_ENTRY_POINT(pThrowArrayBounds), instruction_, instruction_->GetDexPc()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | private: |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 300 | HBoundsCheck* const instruction_; |
| 301 | const Location index_location_; |
| 302 | const Location length_location_; |
| 303 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 304 | DISALLOW_COPY_AND_ASSIGN(BoundsCheckSlowPathARM64); |
| 305 | }; |
| 306 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 307 | class DivZeroCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| 308 | public: |
| 309 | explicit DivZeroCheckSlowPathARM64(HDivZeroCheck* instruction) : instruction_(instruction) {} |
| 310 | |
| 311 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 312 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| 313 | __ Bind(GetEntryLabel()); |
| 314 | arm64_codegen->InvokeRuntime( |
| 315 | QUICK_ENTRY_POINT(pThrowDivZero), instruction_, instruction_->GetDexPc()); |
| 316 | } |
| 317 | |
| 318 | private: |
| 319 | HDivZeroCheck* const instruction_; |
| 320 | DISALLOW_COPY_AND_ASSIGN(DivZeroCheckSlowPathARM64); |
| 321 | }; |
| 322 | |
| 323 | class LoadClassSlowPathARM64 : public SlowPathCodeARM64 { |
| 324 | public: |
| 325 | LoadClassSlowPathARM64(HLoadClass* cls, |
| 326 | HInstruction* at, |
| 327 | uint32_t dex_pc, |
| 328 | bool do_clinit) |
| 329 | : cls_(cls), at_(at), dex_pc_(dex_pc), do_clinit_(do_clinit) { |
| 330 | DCHECK(at->IsLoadClass() || at->IsClinitCheck()); |
| 331 | } |
| 332 | |
| 333 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 334 | LocationSummary* locations = at_->GetLocations(); |
| 335 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| 336 | |
| 337 | __ Bind(GetEntryLabel()); |
| 338 | codegen->SaveLiveRegisters(locations); |
| 339 | |
| 340 | InvokeRuntimeCallingConvention calling_convention; |
| 341 | __ Mov(calling_convention.GetRegisterAt(0).W(), cls_->GetTypeIndex()); |
| 342 | arm64_codegen->LoadCurrentMethod(calling_convention.GetRegisterAt(1).W()); |
| 343 | int32_t entry_point_offset = do_clinit_ ? QUICK_ENTRY_POINT(pInitializeStaticStorage) |
| 344 | : QUICK_ENTRY_POINT(pInitializeType); |
| 345 | arm64_codegen->InvokeRuntime(entry_point_offset, at_, dex_pc_); |
| 346 | |
| 347 | // Move the class to the desired location. |
| 348 | Location out = locations->Out(); |
| 349 | if (out.IsValid()) { |
| 350 | DCHECK(out.IsRegister() && !locations->GetLiveRegisters()->ContainsCoreRegister(out.reg())); |
| 351 | Primitive::Type type = at_->GetType(); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 352 | arm64_codegen->MoveLocation(out, calling_convention.GetReturnLocation(type), type); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | codegen->RestoreLiveRegisters(locations); |
| 356 | __ B(GetExitLabel()); |
| 357 | } |
| 358 | |
| 359 | private: |
| 360 | // The class this slow path will load. |
| 361 | HLoadClass* const cls_; |
| 362 | |
| 363 | // The instruction where this slow path is happening. |
| 364 | // (Might be the load class or an initialization check). |
| 365 | HInstruction* const at_; |
| 366 | |
| 367 | // The dex PC of `at_`. |
| 368 | const uint32_t dex_pc_; |
| 369 | |
| 370 | // Whether to initialize the class. |
| 371 | const bool do_clinit_; |
| 372 | |
| 373 | DISALLOW_COPY_AND_ASSIGN(LoadClassSlowPathARM64); |
| 374 | }; |
| 375 | |
| 376 | class LoadStringSlowPathARM64 : public SlowPathCodeARM64 { |
| 377 | public: |
| 378 | explicit LoadStringSlowPathARM64(HLoadString* instruction) : instruction_(instruction) {} |
| 379 | |
| 380 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 381 | LocationSummary* locations = instruction_->GetLocations(); |
| 382 | DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(locations->Out().reg())); |
| 383 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| 384 | |
| 385 | __ Bind(GetEntryLabel()); |
| 386 | codegen->SaveLiveRegisters(locations); |
| 387 | |
| 388 | InvokeRuntimeCallingConvention calling_convention; |
| 389 | arm64_codegen->LoadCurrentMethod(calling_convention.GetRegisterAt(0).W()); |
| 390 | __ Mov(calling_convention.GetRegisterAt(1).W(), instruction_->GetStringIndex()); |
| 391 | arm64_codegen->InvokeRuntime( |
| 392 | QUICK_ENTRY_POINT(pResolveString), instruction_, instruction_->GetDexPc()); |
| 393 | Primitive::Type type = instruction_->GetType(); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 394 | arm64_codegen->MoveLocation(locations->Out(), calling_convention.GetReturnLocation(type), type); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 395 | |
| 396 | codegen->RestoreLiveRegisters(locations); |
| 397 | __ B(GetExitLabel()); |
| 398 | } |
| 399 | |
| 400 | private: |
| 401 | HLoadString* const instruction_; |
| 402 | |
| 403 | DISALLOW_COPY_AND_ASSIGN(LoadStringSlowPathARM64); |
| 404 | }; |
| 405 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 406 | class NullCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| 407 | public: |
| 408 | explicit NullCheckSlowPathARM64(HNullCheck* instr) : instruction_(instr) {} |
| 409 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 410 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 411 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 412 | __ Bind(GetEntryLabel()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 413 | arm64_codegen->InvokeRuntime( |
| 414 | QUICK_ENTRY_POINT(pThrowNullPointer), instruction_, instruction_->GetDexPc()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | private: |
| 418 | HNullCheck* const instruction_; |
| 419 | |
| 420 | DISALLOW_COPY_AND_ASSIGN(NullCheckSlowPathARM64); |
| 421 | }; |
| 422 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 423 | class StackOverflowCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| 424 | public: |
| 425 | StackOverflowCheckSlowPathARM64() {} |
| 426 | |
| 427 | virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 428 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| 429 | __ Bind(GetEntryLabel()); |
| 430 | arm64_codegen->InvokeRuntime(QUICK_ENTRY_POINT(pThrowStackOverflow), nullptr, 0); |
| 431 | } |
| 432 | |
| 433 | private: |
| 434 | DISALLOW_COPY_AND_ASSIGN(StackOverflowCheckSlowPathARM64); |
| 435 | }; |
| 436 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 437 | class SuspendCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| 438 | public: |
| 439 | explicit SuspendCheckSlowPathARM64(HSuspendCheck* instruction, |
| 440 | HBasicBlock* successor) |
| 441 | : instruction_(instruction), successor_(successor) {} |
| 442 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 443 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 444 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 445 | __ Bind(GetEntryLabel()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 446 | codegen->SaveLiveRegisters(instruction_->GetLocations()); |
| 447 | arm64_codegen->InvokeRuntime( |
| 448 | QUICK_ENTRY_POINT(pTestSuspend), instruction_, instruction_->GetDexPc()); |
| 449 | codegen->RestoreLiveRegisters(instruction_->GetLocations()); |
| 450 | if (successor_ == nullptr) { |
| 451 | __ B(GetReturnLabel()); |
| 452 | } else { |
| 453 | __ B(arm64_codegen->GetLabelOf(successor_)); |
| 454 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | vixl::Label* GetReturnLabel() { |
| 458 | DCHECK(successor_ == nullptr); |
| 459 | return &return_label_; |
| 460 | } |
| 461 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 462 | private: |
| 463 | HSuspendCheck* const instruction_; |
| 464 | // If not null, the block to branch to after the suspend check. |
| 465 | HBasicBlock* const successor_; |
| 466 | |
| 467 | // If `successor_` is null, the label to branch to after the suspend check. |
| 468 | vixl::Label return_label_; |
| 469 | |
| 470 | DISALLOW_COPY_AND_ASSIGN(SuspendCheckSlowPathARM64); |
| 471 | }; |
| 472 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 473 | class TypeCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| 474 | public: |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 475 | TypeCheckSlowPathARM64(HInstruction* instruction, |
| 476 | Location class_to_check, |
| 477 | Location object_class, |
| 478 | uint32_t dex_pc) |
| 479 | : instruction_(instruction), |
| 480 | class_to_check_(class_to_check), |
| 481 | object_class_(object_class), |
| 482 | dex_pc_(dex_pc) {} |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 483 | |
| 484 | void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 485 | LocationSummary* locations = instruction_->GetLocations(); |
| 486 | DCHECK(instruction_->IsCheckCast() |
| 487 | || !locations->GetLiveRegisters()->ContainsCoreRegister(locations->Out().reg())); |
| 488 | CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| 489 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 490 | __ Bind(GetEntryLabel()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 491 | codegen->SaveLiveRegisters(locations); |
| 492 | |
| 493 | // We're moving two locations to locations that could overlap, so we need a parallel |
| 494 | // move resolver. |
| 495 | InvokeRuntimeCallingConvention calling_convention; |
| 496 | codegen->EmitParallelMoves( |
| 497 | class_to_check_, LocationFrom(calling_convention.GetRegisterAt(0)), |
| 498 | object_class_, LocationFrom(calling_convention.GetRegisterAt(1))); |
| 499 | |
| 500 | if (instruction_->IsInstanceOf()) { |
| 501 | arm64_codegen->InvokeRuntime(QUICK_ENTRY_POINT(pInstanceofNonTrivial), instruction_, dex_pc_); |
| 502 | Primitive::Type ret_type = instruction_->GetType(); |
| 503 | Location ret_loc = calling_convention.GetReturnLocation(ret_type); |
| 504 | arm64_codegen->MoveLocation(locations->Out(), ret_loc, ret_type); |
| 505 | } else { |
| 506 | DCHECK(instruction_->IsCheckCast()); |
| 507 | arm64_codegen->InvokeRuntime(QUICK_ENTRY_POINT(pCheckCast), instruction_, dex_pc_); |
| 508 | } |
| 509 | |
| 510 | codegen->RestoreLiveRegisters(locations); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 511 | __ B(GetExitLabel()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | private: |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 515 | HInstruction* const instruction_; |
| 516 | const Location class_to_check_; |
| 517 | const Location object_class_; |
| 518 | uint32_t dex_pc_; |
| 519 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 520 | DISALLOW_COPY_AND_ASSIGN(TypeCheckSlowPathARM64); |
| 521 | }; |
| 522 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 523 | #undef __ |
| 524 | |
| 525 | Location InvokeDexCallingConventionVisitor::GetNextLocation(Primitive::Type type) { |
| 526 | Location next_location; |
| 527 | if (type == Primitive::kPrimVoid) { |
| 528 | LOG(FATAL) << "Unreachable type " << type; |
| 529 | } |
| 530 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 531 | if (IsFPType(type) && (fp_index_ < calling_convention.GetNumberOfFpuRegisters())) { |
| 532 | next_location = LocationFrom(calling_convention.GetFpuRegisterAt(fp_index_++)); |
| 533 | } else if (!IsFPType(type) && (gp_index_ < calling_convention.GetNumberOfRegisters())) { |
| 534 | next_location = LocationFrom(calling_convention.GetRegisterAt(gp_index_++)); |
| 535 | } else { |
| 536 | size_t stack_offset = calling_convention.GetStackOffsetOf(stack_index_); |
| 537 | next_location = Is64BitType(type) ? Location::DoubleStackSlot(stack_offset) |
| 538 | : Location::StackSlot(stack_offset); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 539 | } |
| 540 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 541 | // Space on the stack is reserved for all arguments. |
| 542 | stack_index_ += Is64BitType(type) ? 2 : 1; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 543 | return next_location; |
| 544 | } |
| 545 | |
| 546 | CodeGeneratorARM64::CodeGeneratorARM64(HGraph* graph) |
| 547 | : CodeGenerator(graph, |
| 548 | kNumberOfAllocatableRegisters, |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 549 | kNumberOfAllocatableFPRegisters, |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 550 | kNumberOfAllocatableRegisterPairs), |
| 551 | block_labels_(nullptr), |
| 552 | location_builder_(graph, this), |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 553 | instruction_visitor_(graph, this), |
| 554 | move_resolver_(graph->GetArena(), this) {} |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 555 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 556 | #undef __ |
| 557 | #define __ GetVIXLAssembler()-> |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 558 | |
Serban Constantinescu | 32f5b4d | 2014-11-25 20:05:46 +0000 | [diff] [blame] | 559 | void CodeGeneratorARM64::Finalize(CodeAllocator* allocator) { |
| 560 | // Ensure we emit the literal pool. |
| 561 | __ FinalizeCode(); |
| 562 | CodeGenerator::Finalize(allocator); |
| 563 | } |
| 564 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 565 | void ParallelMoveResolverARM64::EmitMove(size_t index) { |
| 566 | MoveOperands* move = moves_.Get(index); |
| 567 | codegen_->MoveLocation(move->GetDestination(), move->GetSource()); |
| 568 | } |
| 569 | |
| 570 | void ParallelMoveResolverARM64::EmitSwap(size_t index) { |
| 571 | MoveOperands* move = moves_.Get(index); |
| 572 | codegen_->SwapLocations(move->GetDestination(), move->GetSource()); |
| 573 | } |
| 574 | |
| 575 | void ParallelMoveResolverARM64::RestoreScratch(int reg) { |
| 576 | __ Pop(Register(VIXLRegCodeFromART(reg), kXRegSize)); |
| 577 | } |
| 578 | |
| 579 | void ParallelMoveResolverARM64::SpillScratch(int reg) { |
| 580 | __ Push(Register(VIXLRegCodeFromART(reg), kXRegSize)); |
| 581 | } |
| 582 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 583 | void CodeGeneratorARM64::GenerateFrameEntry() { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 584 | bool do_overflow_check = FrameNeedsStackCheck(GetFrameSize(), kArm64) || !IsLeafMethod(); |
| 585 | if (do_overflow_check) { |
| 586 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
| 587 | Register temp = temps.AcquireX(); |
| 588 | if (kExplicitStackOverflowCheck) { |
| 589 | SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) StackOverflowCheckSlowPathARM64(); |
| 590 | AddSlowPath(slow_path); |
| 591 | |
| 592 | __ Ldr(temp, MemOperand(tr, Thread::StackEndOffset<kArm64WordSize>().Int32Value())); |
| 593 | __ Cmp(sp, temp); |
| 594 | __ B(lo, slow_path->GetEntryLabel()); |
| 595 | } else { |
| 596 | __ Add(temp, sp, -static_cast<int32_t>(GetStackOverflowReservedBytes(kArm64))); |
| 597 | __ Ldr(wzr, MemOperand(temp, 0)); |
| 598 | RecordPcInfo(nullptr, 0); |
| 599 | } |
| 600 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 601 | |
| 602 | CPURegList preserved_regs = GetFramePreservedRegisters(); |
| 603 | int frame_size = GetFrameSize(); |
| 604 | core_spill_mask_ |= preserved_regs.list(); |
| 605 | |
| 606 | __ Str(w0, MemOperand(sp, -frame_size, PreIndex)); |
| 607 | __ PokeCPURegList(preserved_regs, frame_size - preserved_regs.TotalSizeInBytes()); |
| 608 | |
| 609 | // Stack layout: |
| 610 | // sp[frame_size - 8] : lr. |
| 611 | // ... : other preserved registers. |
| 612 | // sp[frame_size - regs_size]: first preserved register. |
| 613 | // ... : reserved frame space. |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 614 | // sp[0] : current method. |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | void CodeGeneratorARM64::GenerateFrameExit() { |
| 618 | int frame_size = GetFrameSize(); |
| 619 | CPURegList preserved_regs = GetFramePreservedRegisters(); |
| 620 | __ PeekCPURegList(preserved_regs, frame_size - preserved_regs.TotalSizeInBytes()); |
| 621 | __ Drop(frame_size); |
| 622 | } |
| 623 | |
| 624 | void CodeGeneratorARM64::Bind(HBasicBlock* block) { |
| 625 | __ Bind(GetLabelOf(block)); |
| 626 | } |
| 627 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 628 | void CodeGeneratorARM64::Move(HInstruction* instruction, |
| 629 | Location location, |
| 630 | HInstruction* move_for) { |
| 631 | LocationSummary* locations = instruction->GetLocations(); |
| 632 | if (locations != nullptr && locations->Out().Equals(location)) { |
| 633 | return; |
| 634 | } |
| 635 | |
| 636 | Primitive::Type type = instruction->GetType(); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 637 | DCHECK_NE(type, Primitive::kPrimVoid); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 638 | |
| 639 | if (instruction->IsIntConstant() || instruction->IsLongConstant()) { |
| 640 | int64_t value = instruction->IsIntConstant() ? instruction->AsIntConstant()->GetValue() |
| 641 | : instruction->AsLongConstant()->GetValue(); |
| 642 | if (location.IsRegister()) { |
| 643 | Register dst = RegisterFrom(location, type); |
| 644 | DCHECK((instruction->IsIntConstant() && dst.Is32Bits()) || |
| 645 | (instruction->IsLongConstant() && dst.Is64Bits())); |
| 646 | __ Mov(dst, value); |
| 647 | } else { |
| 648 | DCHECK(location.IsStackSlot() || location.IsDoubleStackSlot()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 649 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 650 | Register temp = instruction->IsIntConstant() ? temps.AcquireW() : temps.AcquireX(); |
| 651 | __ Mov(temp, value); |
| 652 | __ Str(temp, StackOperandFrom(location)); |
| 653 | } |
Nicolas Geoffray | f43083d | 2014-11-07 10:48:10 +0000 | [diff] [blame] | 654 | } else if (instruction->IsTemporary()) { |
| 655 | Location temp_location = GetTemporaryLocation(instruction->AsTemporary()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 656 | MoveLocation(location, temp_location, type); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 657 | } else if (instruction->IsLoadLocal()) { |
| 658 | uint32_t stack_slot = GetStackSlot(instruction->AsLoadLocal()->GetLocal()); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 659 | if (Is64BitType(type)) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 660 | MoveLocation(location, Location::DoubleStackSlot(stack_slot), type); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 661 | } else { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 662 | MoveLocation(location, Location::StackSlot(stack_slot), type); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | } else { |
| 666 | DCHECK((instruction->GetNext() == move_for) || instruction->GetNext()->IsTemporary()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 667 | MoveLocation(location, locations->Out(), type); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 668 | } |
| 669 | } |
| 670 | |
| 671 | size_t CodeGeneratorARM64::FrameEntrySpillSize() const { |
| 672 | return GetFramePreservedRegistersSize(); |
| 673 | } |
| 674 | |
| 675 | Location CodeGeneratorARM64::GetStackLocation(HLoadLocal* load) const { |
| 676 | Primitive::Type type = load->GetType(); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 677 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 678 | switch (type) { |
| 679 | case Primitive::kPrimNot: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 680 | case Primitive::kPrimInt: |
| 681 | case Primitive::kPrimFloat: |
| 682 | return Location::StackSlot(GetStackSlot(load->GetLocal())); |
| 683 | |
| 684 | case Primitive::kPrimLong: |
| 685 | case Primitive::kPrimDouble: |
| 686 | return Location::DoubleStackSlot(GetStackSlot(load->GetLocal())); |
| 687 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 688 | case Primitive::kPrimBoolean: |
| 689 | case Primitive::kPrimByte: |
| 690 | case Primitive::kPrimChar: |
| 691 | case Primitive::kPrimShort: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 692 | case Primitive::kPrimVoid: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 693 | LOG(FATAL) << "Unexpected type " << type; |
| 694 | } |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 695 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 696 | LOG(FATAL) << "Unreachable"; |
| 697 | return Location::NoLocation(); |
| 698 | } |
| 699 | |
| 700 | void CodeGeneratorARM64::MarkGCCard(Register object, Register value) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 701 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 702 | Register card = temps.AcquireX(); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 703 | Register temp = temps.AcquireW(); // Index within the CardTable - 32bit. |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 704 | vixl::Label done; |
| 705 | __ Cbz(value, &done); |
| 706 | __ Ldr(card, MemOperand(tr, Thread::CardTableOffset<kArm64WordSize>().Int32Value())); |
| 707 | __ Lsr(temp, object, gc::accounting::CardTable::kCardShift); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 708 | __ Strb(card, MemOperand(card, temp.X())); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 709 | __ Bind(&done); |
| 710 | } |
| 711 | |
| 712 | void CodeGeneratorARM64::SetupBlockedRegisters() const { |
| 713 | // Block reserved registers: |
| 714 | // ip0 (VIXL temporary) |
| 715 | // ip1 (VIXL temporary) |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 716 | // tr |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 717 | // lr |
| 718 | // sp is not part of the allocatable registers, so we don't need to block it. |
Nicolas Geoffray | 5b4b898 | 2014-12-18 17:45:56 +0000 | [diff] [blame] | 719 | // TODO: Avoid blocking callee-saved registers, and instead preserve them |
| 720 | // where necessary. |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 721 | CPURegList reserved_core_registers = vixl_reserved_core_registers; |
| 722 | reserved_core_registers.Combine(runtime_reserved_core_registers); |
Nicolas Geoffray | 5b4b898 | 2014-12-18 17:45:56 +0000 | [diff] [blame] | 723 | reserved_core_registers.Combine(quick_callee_saved_registers); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 724 | while (!reserved_core_registers.IsEmpty()) { |
| 725 | blocked_core_registers_[reserved_core_registers.PopLowestIndex().code()] = true; |
| 726 | } |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 727 | CPURegList reserved_fp_registers = vixl_reserved_fp_registers; |
| 728 | reserved_fp_registers.Combine(CPURegList::GetCalleeSavedFP()); |
| 729 | while (!reserved_core_registers.IsEmpty()) { |
| 730 | blocked_fpu_registers_[reserved_fp_registers.PopLowestIndex().code()] = true; |
| 731 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 732 | } |
| 733 | |
| 734 | Location CodeGeneratorARM64::AllocateFreeRegister(Primitive::Type type) const { |
| 735 | if (type == Primitive::kPrimVoid) { |
| 736 | LOG(FATAL) << "Unreachable type " << type; |
| 737 | } |
| 738 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 739 | if (IsFPType(type)) { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 740 | ssize_t reg = FindFreeEntry(blocked_fpu_registers_, kNumberOfAllocatableFPRegisters); |
| 741 | DCHECK_NE(reg, -1); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 742 | return Location::FpuRegisterLocation(reg); |
| 743 | } else { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 744 | ssize_t reg = FindFreeEntry(blocked_core_registers_, kNumberOfAllocatableRegisters); |
| 745 | DCHECK_NE(reg, -1); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 746 | return Location::RegisterLocation(reg); |
| 747 | } |
| 748 | } |
| 749 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 750 | size_t CodeGeneratorARM64::SaveCoreRegister(size_t stack_index, uint32_t reg_id) { |
| 751 | Register reg = Register(VIXLRegCodeFromART(reg_id), kXRegSize); |
| 752 | __ Str(reg, MemOperand(sp, stack_index)); |
| 753 | return kArm64WordSize; |
| 754 | } |
| 755 | |
| 756 | size_t CodeGeneratorARM64::RestoreCoreRegister(size_t stack_index, uint32_t reg_id) { |
| 757 | Register reg = Register(VIXLRegCodeFromART(reg_id), kXRegSize); |
| 758 | __ Ldr(reg, MemOperand(sp, stack_index)); |
| 759 | return kArm64WordSize; |
| 760 | } |
| 761 | |
| 762 | size_t CodeGeneratorARM64::SaveFloatingPointRegister(size_t stack_index, uint32_t reg_id) { |
| 763 | FPRegister reg = FPRegister(reg_id, kDRegSize); |
| 764 | __ Str(reg, MemOperand(sp, stack_index)); |
| 765 | return kArm64WordSize; |
| 766 | } |
| 767 | |
| 768 | size_t CodeGeneratorARM64::RestoreFloatingPointRegister(size_t stack_index, uint32_t reg_id) { |
| 769 | FPRegister reg = FPRegister(reg_id, kDRegSize); |
| 770 | __ Ldr(reg, MemOperand(sp, stack_index)); |
| 771 | return kArm64WordSize; |
| 772 | } |
| 773 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 774 | void CodeGeneratorARM64::DumpCoreRegister(std::ostream& stream, int reg) const { |
| 775 | stream << Arm64ManagedRegister::FromXRegister(XRegister(reg)); |
| 776 | } |
| 777 | |
| 778 | void CodeGeneratorARM64::DumpFloatingPointRegister(std::ostream& stream, int reg) const { |
| 779 | stream << Arm64ManagedRegister::FromDRegister(DRegister(reg)); |
| 780 | } |
| 781 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 782 | void CodeGeneratorARM64::MoveConstant(CPURegister destination, HConstant* constant) { |
| 783 | if (constant->IsIntConstant() || constant->IsLongConstant()) { |
| 784 | __ Mov(Register(destination), |
| 785 | constant->IsIntConstant() ? constant->AsIntConstant()->GetValue() |
| 786 | : constant->AsLongConstant()->GetValue()); |
| 787 | } else if (constant->IsFloatConstant()) { |
| 788 | __ Fmov(FPRegister(destination), constant->AsFloatConstant()->GetValue()); |
| 789 | } else { |
| 790 | DCHECK(constant->IsDoubleConstant()); |
| 791 | __ Fmov(FPRegister(destination), constant->AsDoubleConstant()->GetValue()); |
| 792 | } |
| 793 | } |
| 794 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 795 | |
| 796 | static bool CoherentConstantAndType(Location constant, Primitive::Type type) { |
| 797 | DCHECK(constant.IsConstant()); |
| 798 | HConstant* cst = constant.GetConstant(); |
| 799 | return (cst->IsIntConstant() && type == Primitive::kPrimInt) || |
| 800 | (cst->IsLongConstant() && type == Primitive::kPrimLong) || |
| 801 | (cst->IsFloatConstant() && type == Primitive::kPrimFloat) || |
| 802 | (cst->IsDoubleConstant() && type == Primitive::kPrimDouble); |
| 803 | } |
| 804 | |
| 805 | void CodeGeneratorARM64::MoveLocation(Location destination, Location source, Primitive::Type type) { |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 806 | if (source.Equals(destination)) { |
| 807 | return; |
| 808 | } |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 809 | |
| 810 | // A valid move can always be inferred from the destination and source |
| 811 | // locations. When moving from and to a register, the argument type can be |
| 812 | // used to generate 32bit instead of 64bit moves. In debug mode we also |
| 813 | // checks the coherency of the locations and the type. |
| 814 | bool unspecified_type = (type == Primitive::kPrimVoid); |
| 815 | |
| 816 | if (destination.IsRegister() || destination.IsFpuRegister()) { |
| 817 | if (unspecified_type) { |
| 818 | HConstant* src_cst = source.IsConstant() ? source.GetConstant() : nullptr; |
| 819 | if (source.IsStackSlot() || |
| 820 | (src_cst != nullptr && (src_cst->IsIntConstant() || src_cst->IsFloatConstant()))) { |
| 821 | // For stack slots and 32bit constants, a 64bit type is appropriate. |
| 822 | type = destination.IsRegister() ? Primitive::kPrimInt : Primitive::kPrimFloat; |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 823 | } else { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 824 | // If the source is a double stack slot or a 64bit constant, a 64bit |
| 825 | // type is appropriate. Else the source is a register, and since the |
| 826 | // type has not been specified, we chose a 64bit type to force a 64bit |
| 827 | // move. |
| 828 | type = destination.IsRegister() ? Primitive::kPrimLong : Primitive::kPrimDouble; |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 829 | } |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 830 | } |
| 831 | DCHECK((destination.IsFpuRegister() && IsFPType(type)) || |
| 832 | (destination.IsRegister() && !IsFPType(type))); |
| 833 | CPURegister dst = CPURegisterFrom(destination, type); |
| 834 | if (source.IsStackSlot() || source.IsDoubleStackSlot()) { |
| 835 | DCHECK(dst.Is64Bits() == source.IsDoubleStackSlot()); |
| 836 | __ Ldr(dst, StackOperandFrom(source)); |
| 837 | } else if (source.IsConstant()) { |
| 838 | DCHECK(CoherentConstantAndType(source, type)); |
| 839 | MoveConstant(dst, source.GetConstant()); |
| 840 | } else { |
| 841 | if (destination.IsRegister()) { |
| 842 | __ Mov(Register(dst), RegisterFrom(source, type)); |
| 843 | } else { |
| 844 | __ Fmov(FPRegister(dst), FPRegisterFrom(source, type)); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | } else { // The destination is not a register. It must be a stack slot. |
| 849 | DCHECK(destination.IsStackSlot() || destination.IsDoubleStackSlot()); |
| 850 | if (source.IsRegister() || source.IsFpuRegister()) { |
| 851 | if (unspecified_type) { |
| 852 | if (source.IsRegister()) { |
| 853 | type = destination.IsStackSlot() ? Primitive::kPrimInt : Primitive::kPrimLong; |
| 854 | } else { |
| 855 | type = destination.IsStackSlot() ? Primitive::kPrimFloat : Primitive::kPrimDouble; |
| 856 | } |
| 857 | } |
| 858 | DCHECK((destination.IsDoubleStackSlot() == Is64BitType(type)) && |
| 859 | (source.IsFpuRegister() == IsFPType(type))); |
| 860 | __ Str(CPURegisterFrom(source, type), StackOperandFrom(destination)); |
| 861 | } else if (source.IsConstant()) { |
| 862 | DCHECK(unspecified_type || CoherentConstantAndType(source, type)); |
| 863 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
| 864 | HConstant* src_cst = source.GetConstant(); |
| 865 | CPURegister temp; |
| 866 | if (src_cst->IsIntConstant()) { |
| 867 | temp = temps.AcquireW(); |
| 868 | } else if (src_cst->IsLongConstant()) { |
| 869 | temp = temps.AcquireX(); |
| 870 | } else if (src_cst->IsFloatConstant()) { |
| 871 | temp = temps.AcquireS(); |
| 872 | } else { |
| 873 | DCHECK(src_cst->IsDoubleConstant()); |
| 874 | temp = temps.AcquireD(); |
| 875 | } |
| 876 | MoveConstant(temp, src_cst); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 877 | __ Str(temp, StackOperandFrom(destination)); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 878 | } else { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 879 | DCHECK(source.IsStackSlot() || source.IsDoubleStackSlot()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 880 | DCHECK(source.IsDoubleStackSlot() == destination.IsDoubleStackSlot()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 881 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 882 | // There is generally less pressure on FP registers. |
| 883 | FPRegister temp = destination.IsDoubleStackSlot() ? temps.AcquireD() : temps.AcquireS(); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 884 | __ Ldr(temp, StackOperandFrom(source)); |
| 885 | __ Str(temp, StackOperandFrom(destination)); |
| 886 | } |
| 887 | } |
| 888 | } |
| 889 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 890 | void CodeGeneratorARM64::SwapLocations(Location loc1, Location loc2) { |
| 891 | DCHECK(!loc1.IsConstant()); |
| 892 | DCHECK(!loc2.IsConstant()); |
| 893 | |
| 894 | if (loc1.Equals(loc2)) { |
| 895 | return; |
| 896 | } |
| 897 | |
| 898 | UseScratchRegisterScope temps(GetAssembler()->vixl_masm_); |
| 899 | |
| 900 | bool is_slot1 = loc1.IsStackSlot() || loc1.IsDoubleStackSlot(); |
| 901 | bool is_slot2 = loc2.IsStackSlot() || loc2.IsDoubleStackSlot(); |
| 902 | bool is_fp_reg1 = loc1.IsFpuRegister(); |
| 903 | bool is_fp_reg2 = loc2.IsFpuRegister(); |
| 904 | |
| 905 | if (loc2.IsRegister() && loc1.IsRegister()) { |
| 906 | Register r1 = XRegisterFrom(loc1); |
| 907 | Register r2 = XRegisterFrom(loc2); |
| 908 | Register tmp = temps.AcquireSameSizeAs(r1); |
| 909 | __ Mov(tmp, r2); |
| 910 | __ Mov(r2, r1); |
| 911 | __ Mov(r1, tmp); |
| 912 | } else if (is_fp_reg2 && is_fp_reg1) { |
| 913 | FPRegister r1 = DRegisterFrom(loc1); |
| 914 | FPRegister r2 = DRegisterFrom(loc2); |
| 915 | FPRegister tmp = temps.AcquireSameSizeAs(r1); |
| 916 | __ Fmov(tmp, r2); |
| 917 | __ Fmov(r2, r1); |
| 918 | __ Fmov(r1, tmp); |
| 919 | } else if (is_slot1 != is_slot2) { |
| 920 | MemOperand mem = StackOperandFrom(is_slot1 ? loc1 : loc2); |
| 921 | Location reg_loc = is_slot1 ? loc2 : loc1; |
| 922 | CPURegister reg, tmp; |
| 923 | if (reg_loc.IsFpuRegister()) { |
| 924 | reg = DRegisterFrom(reg_loc); |
| 925 | tmp = temps.AcquireD(); |
| 926 | } else { |
| 927 | reg = XRegisterFrom(reg_loc); |
| 928 | tmp = temps.AcquireX(); |
| 929 | } |
| 930 | __ Ldr(tmp, mem); |
| 931 | __ Str(reg, mem); |
| 932 | if (reg_loc.IsFpuRegister()) { |
| 933 | __ Fmov(FPRegister(reg), FPRegister(tmp)); |
| 934 | } else { |
| 935 | __ Mov(Register(reg), Register(tmp)); |
| 936 | } |
| 937 | } else if (is_slot1 && is_slot2) { |
| 938 | MemOperand mem1 = StackOperandFrom(loc1); |
| 939 | MemOperand mem2 = StackOperandFrom(loc2); |
| 940 | Register tmp1 = loc1.IsStackSlot() ? temps.AcquireW() : temps.AcquireX(); |
| 941 | Register tmp2 = temps.AcquireSameSizeAs(tmp1); |
| 942 | __ Ldr(tmp1, mem1); |
| 943 | __ Ldr(tmp2, mem2); |
| 944 | __ Str(tmp1, mem2); |
| 945 | __ Str(tmp2, mem1); |
| 946 | } else { |
| 947 | LOG(FATAL) << "Unimplemented"; |
| 948 | } |
| 949 | } |
| 950 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 951 | void CodeGeneratorARM64::Load(Primitive::Type type, |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 952 | vixl::CPURegister dst, |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 953 | const vixl::MemOperand& src) { |
| 954 | switch (type) { |
| 955 | case Primitive::kPrimBoolean: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 956 | __ Ldrb(Register(dst), src); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 957 | break; |
| 958 | case Primitive::kPrimByte: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 959 | __ Ldrsb(Register(dst), src); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 960 | break; |
| 961 | case Primitive::kPrimShort: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 962 | __ Ldrsh(Register(dst), src); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 963 | break; |
| 964 | case Primitive::kPrimChar: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 965 | __ Ldrh(Register(dst), src); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 966 | break; |
| 967 | case Primitive::kPrimInt: |
| 968 | case Primitive::kPrimNot: |
| 969 | case Primitive::kPrimLong: |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 970 | case Primitive::kPrimFloat: |
| 971 | case Primitive::kPrimDouble: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 972 | DCHECK(dst.Is64Bits() == Is64BitType(type)); |
| 973 | __ Ldr(dst, src); |
| 974 | break; |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 975 | case Primitive::kPrimVoid: |
| 976 | LOG(FATAL) << "Unreachable type " << type; |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | void CodeGeneratorARM64::Store(Primitive::Type type, |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 981 | vixl::CPURegister rt, |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 982 | const vixl::MemOperand& dst) { |
| 983 | switch (type) { |
| 984 | case Primitive::kPrimBoolean: |
| 985 | case Primitive::kPrimByte: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 986 | __ Strb(Register(rt), dst); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 987 | break; |
| 988 | case Primitive::kPrimChar: |
| 989 | case Primitive::kPrimShort: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 990 | __ Strh(Register(rt), dst); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 991 | break; |
| 992 | case Primitive::kPrimInt: |
| 993 | case Primitive::kPrimNot: |
| 994 | case Primitive::kPrimLong: |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 995 | case Primitive::kPrimFloat: |
| 996 | case Primitive::kPrimDouble: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 997 | DCHECK(rt.Is64Bits() == Is64BitType(type)); |
| 998 | __ Str(rt, dst); |
| 999 | break; |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1000 | case Primitive::kPrimVoid: |
| 1001 | LOG(FATAL) << "Unreachable type " << type; |
| 1002 | } |
| 1003 | } |
| 1004 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1005 | void CodeGeneratorARM64::LoadCurrentMethod(vixl::Register current_method) { |
| 1006 | DCHECK(current_method.IsW()); |
| 1007 | __ Ldr(current_method, MemOperand(sp, kCurrentMethodStackOffset)); |
| 1008 | } |
| 1009 | |
| 1010 | void CodeGeneratorARM64::InvokeRuntime(int32_t entry_point_offset, |
| 1011 | HInstruction* instruction, |
| 1012 | uint32_t dex_pc) { |
| 1013 | __ Ldr(lr, MemOperand(tr, entry_point_offset)); |
| 1014 | __ Blr(lr); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1015 | if (instruction != nullptr) { |
| 1016 | RecordPcInfo(instruction, dex_pc); |
| 1017 | DCHECK(instruction->IsSuspendCheck() |
| 1018 | || instruction->IsBoundsCheck() |
| 1019 | || instruction->IsNullCheck() |
| 1020 | || instruction->IsDivZeroCheck() |
| 1021 | || !IsLeafMethod()); |
| 1022 | } |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | void InstructionCodeGeneratorARM64::GenerateClassInitializationCheck(SlowPathCodeARM64* slow_path, |
| 1026 | vixl::Register class_reg) { |
| 1027 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
| 1028 | Register temp = temps.AcquireW(); |
| 1029 | __ Ldr(temp, HeapOperand(class_reg, mirror::Class::StatusOffset())); |
| 1030 | __ Cmp(temp, mirror::Class::kStatusInitialized); |
| 1031 | __ B(lt, slow_path->GetEntryLabel()); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1032 | // Even if the initialized flag is set, we need to ensure consistent memory ordering. |
| 1033 | __ Dmb(InnerShareable, BarrierReads); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1034 | __ Bind(slow_path->GetExitLabel()); |
| 1035 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1036 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1037 | void InstructionCodeGeneratorARM64::GenerateSuspendCheck(HSuspendCheck* instruction, |
| 1038 | HBasicBlock* successor) { |
| 1039 | SuspendCheckSlowPathARM64* slow_path = |
| 1040 | new (GetGraph()->GetArena()) SuspendCheckSlowPathARM64(instruction, successor); |
| 1041 | codegen_->AddSlowPath(slow_path); |
| 1042 | UseScratchRegisterScope temps(codegen_->GetVIXLAssembler()); |
| 1043 | Register temp = temps.AcquireW(); |
| 1044 | |
| 1045 | __ Ldrh(temp, MemOperand(tr, Thread::ThreadFlagsOffset<kArm64WordSize>().SizeValue())); |
| 1046 | if (successor == nullptr) { |
| 1047 | __ Cbnz(temp, slow_path->GetEntryLabel()); |
| 1048 | __ Bind(slow_path->GetReturnLabel()); |
| 1049 | } else { |
| 1050 | __ Cbz(temp, codegen_->GetLabelOf(successor)); |
| 1051 | __ B(slow_path->GetEntryLabel()); |
| 1052 | // slow_path will return to GetLabelOf(successor). |
| 1053 | } |
| 1054 | } |
| 1055 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1056 | InstructionCodeGeneratorARM64::InstructionCodeGeneratorARM64(HGraph* graph, |
| 1057 | CodeGeneratorARM64* codegen) |
| 1058 | : HGraphVisitor(graph), |
| 1059 | assembler_(codegen->GetAssembler()), |
| 1060 | codegen_(codegen) {} |
| 1061 | |
| 1062 | #define FOR_EACH_UNIMPLEMENTED_INSTRUCTION(M) \ |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1063 | /* No unimplemented IR. */ |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1064 | |
| 1065 | #define UNIMPLEMENTED_INSTRUCTION_BREAK_CODE(name) name##UnimplementedInstructionBreakCode |
| 1066 | |
| 1067 | enum UnimplementedInstructionBreakCode { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1068 | // Using a base helps identify when we hit such breakpoints. |
| 1069 | UnimplementedInstructionBreakCodeBaseCode = 0x900, |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1070 | #define ENUM_UNIMPLEMENTED_INSTRUCTION(name) UNIMPLEMENTED_INSTRUCTION_BREAK_CODE(name), |
| 1071 | FOR_EACH_UNIMPLEMENTED_INSTRUCTION(ENUM_UNIMPLEMENTED_INSTRUCTION) |
| 1072 | #undef ENUM_UNIMPLEMENTED_INSTRUCTION |
| 1073 | }; |
| 1074 | |
| 1075 | #define DEFINE_UNIMPLEMENTED_INSTRUCTION_VISITORS(name) \ |
| 1076 | void InstructionCodeGeneratorARM64::Visit##name(H##name* instr) { \ |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1077 | UNUSED(instr); \ |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1078 | __ Brk(UNIMPLEMENTED_INSTRUCTION_BREAK_CODE(name)); \ |
| 1079 | } \ |
| 1080 | void LocationsBuilderARM64::Visit##name(H##name* instr) { \ |
| 1081 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instr); \ |
| 1082 | locations->SetOut(Location::Any()); \ |
| 1083 | } |
| 1084 | FOR_EACH_UNIMPLEMENTED_INSTRUCTION(DEFINE_UNIMPLEMENTED_INSTRUCTION_VISITORS) |
| 1085 | #undef DEFINE_UNIMPLEMENTED_INSTRUCTION_VISITORS |
| 1086 | |
| 1087 | #undef UNIMPLEMENTED_INSTRUCTION_BREAK_CODE |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1088 | #undef FOR_EACH_UNIMPLEMENTED_INSTRUCTION |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1089 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1090 | void LocationsBuilderARM64::HandleBinaryOp(HBinaryOperation* instr) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1091 | DCHECK_EQ(instr->InputCount(), 2U); |
| 1092 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instr); |
| 1093 | Primitive::Type type = instr->GetResultType(); |
| 1094 | switch (type) { |
| 1095 | case Primitive::kPrimInt: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1096 | case Primitive::kPrimLong: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1097 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1098 | locations->SetInAt(1, Location::RegisterOrConstant(instr->InputAt(1))); |
Alexandre Rames | fb4e5fa | 2014-11-06 12:41:16 +0000 | [diff] [blame] | 1099 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1100 | break; |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1101 | |
| 1102 | case Primitive::kPrimFloat: |
| 1103 | case Primitive::kPrimDouble: |
| 1104 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 1105 | locations->SetInAt(1, Location::RequiresFpuRegister()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1106 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1107 | break; |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1108 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1109 | default: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1110 | LOG(FATAL) << "Unexpected " << instr->DebugName() << " type " << type; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1111 | } |
| 1112 | } |
| 1113 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1114 | void InstructionCodeGeneratorARM64::HandleBinaryOp(HBinaryOperation* instr) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1115 | Primitive::Type type = instr->GetType(); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1116 | |
| 1117 | switch (type) { |
| 1118 | case Primitive::kPrimInt: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1119 | case Primitive::kPrimLong: { |
| 1120 | Register dst = OutputRegister(instr); |
| 1121 | Register lhs = InputRegisterAt(instr, 0); |
| 1122 | Operand rhs = InputOperandAt(instr, 1); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1123 | if (instr->IsAdd()) { |
| 1124 | __ Add(dst, lhs, rhs); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1125 | } else if (instr->IsAnd()) { |
| 1126 | __ And(dst, lhs, rhs); |
| 1127 | } else if (instr->IsOr()) { |
| 1128 | __ Orr(dst, lhs, rhs); |
| 1129 | } else if (instr->IsSub()) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1130 | __ Sub(dst, lhs, rhs); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1131 | } else { |
| 1132 | DCHECK(instr->IsXor()); |
| 1133 | __ Eor(dst, lhs, rhs); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1134 | } |
| 1135 | break; |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1136 | } |
| 1137 | case Primitive::kPrimFloat: |
| 1138 | case Primitive::kPrimDouble: { |
| 1139 | FPRegister dst = OutputFPRegister(instr); |
| 1140 | FPRegister lhs = InputFPRegisterAt(instr, 0); |
| 1141 | FPRegister rhs = InputFPRegisterAt(instr, 1); |
| 1142 | if (instr->IsAdd()) { |
| 1143 | __ Fadd(dst, lhs, rhs); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1144 | } else if (instr->IsSub()) { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1145 | __ Fsub(dst, lhs, rhs); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1146 | } else { |
| 1147 | LOG(FATAL) << "Unexpected floating-point binary operation"; |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1148 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1149 | break; |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1150 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1151 | default: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1152 | LOG(FATAL) << "Unexpected binary operation type " << type; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1153 | } |
| 1154 | } |
| 1155 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1156 | void LocationsBuilderARM64::HandleShift(HBinaryOperation* instr) { |
| 1157 | DCHECK(instr->IsShl() || instr->IsShr() || instr->IsUShr()); |
| 1158 | |
| 1159 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instr); |
| 1160 | Primitive::Type type = instr->GetResultType(); |
| 1161 | switch (type) { |
| 1162 | case Primitive::kPrimInt: |
| 1163 | case Primitive::kPrimLong: { |
| 1164 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1165 | locations->SetInAt(1, Location::RegisterOrConstant(instr->InputAt(1))); |
| 1166 | locations->SetOut(Location::RequiresRegister()); |
| 1167 | break; |
| 1168 | } |
| 1169 | default: |
| 1170 | LOG(FATAL) << "Unexpected shift type " << type; |
| 1171 | } |
| 1172 | } |
| 1173 | |
| 1174 | void InstructionCodeGeneratorARM64::HandleShift(HBinaryOperation* instr) { |
| 1175 | DCHECK(instr->IsShl() || instr->IsShr() || instr->IsUShr()); |
| 1176 | |
| 1177 | Primitive::Type type = instr->GetType(); |
| 1178 | switch (type) { |
| 1179 | case Primitive::kPrimInt: |
| 1180 | case Primitive::kPrimLong: { |
| 1181 | Register dst = OutputRegister(instr); |
| 1182 | Register lhs = InputRegisterAt(instr, 0); |
| 1183 | Operand rhs = InputOperandAt(instr, 1); |
| 1184 | if (rhs.IsImmediate()) { |
| 1185 | uint32_t shift_value = (type == Primitive::kPrimInt) |
| 1186 | ? static_cast<uint32_t>(rhs.immediate() & kMaxIntShiftValue) |
| 1187 | : static_cast<uint32_t>(rhs.immediate() & kMaxLongShiftValue); |
| 1188 | if (instr->IsShl()) { |
| 1189 | __ Lsl(dst, lhs, shift_value); |
| 1190 | } else if (instr->IsShr()) { |
| 1191 | __ Asr(dst, lhs, shift_value); |
| 1192 | } else { |
| 1193 | __ Lsr(dst, lhs, shift_value); |
| 1194 | } |
| 1195 | } else { |
| 1196 | Register rhs_reg = dst.IsX() ? rhs.reg().X() : rhs.reg().W(); |
| 1197 | |
| 1198 | if (instr->IsShl()) { |
| 1199 | __ Lsl(dst, lhs, rhs_reg); |
| 1200 | } else if (instr->IsShr()) { |
| 1201 | __ Asr(dst, lhs, rhs_reg); |
| 1202 | } else { |
| 1203 | __ Lsr(dst, lhs, rhs_reg); |
| 1204 | } |
| 1205 | } |
| 1206 | break; |
| 1207 | } |
| 1208 | default: |
| 1209 | LOG(FATAL) << "Unexpected shift operation type " << type; |
| 1210 | } |
| 1211 | } |
| 1212 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1213 | void LocationsBuilderARM64::VisitAdd(HAdd* instruction) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1214 | HandleBinaryOp(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1215 | } |
| 1216 | |
| 1217 | void InstructionCodeGeneratorARM64::VisitAdd(HAdd* instruction) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1218 | HandleBinaryOp(instruction); |
| 1219 | } |
| 1220 | |
| 1221 | void LocationsBuilderARM64::VisitAnd(HAnd* instruction) { |
| 1222 | HandleBinaryOp(instruction); |
| 1223 | } |
| 1224 | |
| 1225 | void InstructionCodeGeneratorARM64::VisitAnd(HAnd* instruction) { |
| 1226 | HandleBinaryOp(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1227 | } |
| 1228 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1229 | void LocationsBuilderARM64::VisitArrayGet(HArrayGet* instruction) { |
| 1230 | LocationSummary* locations = |
| 1231 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| 1232 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1233 | locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1))); |
| 1234 | locations->SetOut(Location::RequiresRegister()); |
| 1235 | } |
| 1236 | |
| 1237 | void InstructionCodeGeneratorARM64::VisitArrayGet(HArrayGet* instruction) { |
| 1238 | LocationSummary* locations = instruction->GetLocations(); |
| 1239 | Primitive::Type type = instruction->GetType(); |
| 1240 | Register obj = InputRegisterAt(instruction, 0); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1241 | Location index = locations->InAt(1); |
| 1242 | size_t offset = mirror::Array::DataOffset(Primitive::ComponentSize(type)).Uint32Value(); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1243 | MemOperand source = HeapOperand(obj); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1244 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1245 | |
| 1246 | if (index.IsConstant()) { |
| 1247 | offset += Int64ConstantFrom(index) << Primitive::ComponentSizeShift(type); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1248 | source = HeapOperand(obj, offset); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1249 | } else { |
| 1250 | Register temp = temps.AcquireSameSizeAs(obj); |
| 1251 | Register index_reg = RegisterFrom(index, Primitive::kPrimInt); |
| 1252 | __ Add(temp, obj, Operand(index_reg, LSL, Primitive::ComponentSizeShift(type))); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1253 | source = HeapOperand(temp, offset); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1254 | } |
| 1255 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1256 | codegen_->Load(type, OutputCPURegister(instruction), source); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1257 | } |
| 1258 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1259 | void LocationsBuilderARM64::VisitArrayLength(HArrayLength* instruction) { |
| 1260 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 1261 | locations->SetInAt(0, Location::RequiresRegister()); |
Alexandre Rames | fb4e5fa | 2014-11-06 12:41:16 +0000 | [diff] [blame] | 1262 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1263 | } |
| 1264 | |
| 1265 | void InstructionCodeGeneratorARM64::VisitArrayLength(HArrayLength* instruction) { |
| 1266 | __ Ldr(OutputRegister(instruction), |
| 1267 | HeapOperand(InputRegisterAt(instruction, 0), mirror::Array::LengthOffset())); |
| 1268 | } |
| 1269 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1270 | void LocationsBuilderARM64::VisitArraySet(HArraySet* instruction) { |
| 1271 | Primitive::Type value_type = instruction->GetComponentType(); |
| 1272 | bool is_object = value_type == Primitive::kPrimNot; |
| 1273 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary( |
| 1274 | instruction, is_object ? LocationSummary::kCall : LocationSummary::kNoCall); |
| 1275 | if (is_object) { |
| 1276 | InvokeRuntimeCallingConvention calling_convention; |
| 1277 | locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(0))); |
| 1278 | locations->SetInAt(1, LocationFrom(calling_convention.GetRegisterAt(1))); |
| 1279 | locations->SetInAt(2, LocationFrom(calling_convention.GetRegisterAt(2))); |
| 1280 | } else { |
| 1281 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1282 | locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1))); |
| 1283 | locations->SetInAt(2, Location::RequiresRegister()); |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | void InstructionCodeGeneratorARM64::VisitArraySet(HArraySet* instruction) { |
| 1288 | Primitive::Type value_type = instruction->GetComponentType(); |
| 1289 | if (value_type == Primitive::kPrimNot) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1290 | codegen_->InvokeRuntime(QUICK_ENTRY_POINT(pAputObject), instruction, instruction->GetDexPc()); |
| 1291 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1292 | } else { |
| 1293 | LocationSummary* locations = instruction->GetLocations(); |
| 1294 | Register obj = InputRegisterAt(instruction, 0); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1295 | CPURegister value = InputCPURegisterAt(instruction, 2); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1296 | Location index = locations->InAt(1); |
| 1297 | size_t offset = mirror::Array::DataOffset(Primitive::ComponentSize(value_type)).Uint32Value(); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1298 | MemOperand destination = HeapOperand(obj); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1299 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1300 | |
| 1301 | if (index.IsConstant()) { |
| 1302 | offset += Int64ConstantFrom(index) << Primitive::ComponentSizeShift(value_type); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1303 | destination = HeapOperand(obj, offset); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1304 | } else { |
| 1305 | Register temp = temps.AcquireSameSizeAs(obj); |
| 1306 | Register index_reg = InputRegisterAt(instruction, 1); |
| 1307 | __ Add(temp, obj, Operand(index_reg, LSL, Primitive::ComponentSizeShift(value_type))); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1308 | destination = HeapOperand(temp, offset); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1309 | } |
| 1310 | |
| 1311 | codegen_->Store(value_type, value, destination); |
| 1312 | } |
| 1313 | } |
| 1314 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1315 | void LocationsBuilderARM64::VisitBoundsCheck(HBoundsCheck* instruction) { |
| 1316 | LocationSummary* locations = |
| 1317 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| 1318 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1319 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1320 | if (instruction->HasUses()) { |
| 1321 | locations->SetOut(Location::SameAsFirstInput()); |
| 1322 | } |
| 1323 | } |
| 1324 | |
| 1325 | void InstructionCodeGeneratorARM64::VisitBoundsCheck(HBoundsCheck* instruction) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1326 | LocationSummary* locations = instruction->GetLocations(); |
| 1327 | BoundsCheckSlowPathARM64* slow_path = new (GetGraph()->GetArena()) BoundsCheckSlowPathARM64( |
| 1328 | instruction, locations->InAt(0), locations->InAt(1)); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1329 | codegen_->AddSlowPath(slow_path); |
| 1330 | |
| 1331 | __ Cmp(InputRegisterAt(instruction, 0), InputOperandAt(instruction, 1)); |
| 1332 | __ B(slow_path->GetEntryLabel(), hs); |
| 1333 | } |
| 1334 | |
| 1335 | void LocationsBuilderARM64::VisitCheckCast(HCheckCast* instruction) { |
| 1336 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary( |
| 1337 | instruction, LocationSummary::kCallOnSlowPath); |
| 1338 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1339 | locations->SetInAt(1, Location::RequiresRegister()); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1340 | locations->AddTemp(Location::RequiresRegister()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1341 | } |
| 1342 | |
| 1343 | void InstructionCodeGeneratorARM64::VisitCheckCast(HCheckCast* instruction) { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1344 | LocationSummary* locations = instruction->GetLocations(); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1345 | Register obj = InputRegisterAt(instruction, 0);; |
| 1346 | Register cls = InputRegisterAt(instruction, 1);; |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1347 | Register obj_cls = WRegisterFrom(instruction->GetLocations()->GetTemp(0)); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1348 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1349 | SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) TypeCheckSlowPathARM64( |
| 1350 | instruction, locations->InAt(1), LocationFrom(obj_cls), instruction->GetDexPc()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1351 | codegen_->AddSlowPath(slow_path); |
| 1352 | |
| 1353 | // TODO: avoid this check if we know obj is not null. |
| 1354 | __ Cbz(obj, slow_path->GetExitLabel()); |
| 1355 | // Compare the class of `obj` with `cls`. |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1356 | __ Ldr(obj_cls, HeapOperand(obj, mirror::Object::ClassOffset())); |
| 1357 | __ Cmp(obj_cls, cls); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1358 | __ B(ne, slow_path->GetEntryLabel()); |
| 1359 | __ Bind(slow_path->GetExitLabel()); |
| 1360 | } |
| 1361 | |
| 1362 | void LocationsBuilderARM64::VisitClinitCheck(HClinitCheck* check) { |
| 1363 | LocationSummary* locations = |
| 1364 | new (GetGraph()->GetArena()) LocationSummary(check, LocationSummary::kCallOnSlowPath); |
| 1365 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1366 | if (check->HasUses()) { |
| 1367 | locations->SetOut(Location::SameAsFirstInput()); |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | void InstructionCodeGeneratorARM64::VisitClinitCheck(HClinitCheck* check) { |
| 1372 | // We assume the class is not null. |
| 1373 | SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) LoadClassSlowPathARM64( |
| 1374 | check->GetLoadClass(), check, check->GetDexPc(), true); |
| 1375 | codegen_->AddSlowPath(slow_path); |
| 1376 | GenerateClassInitializationCheck(slow_path, InputRegisterAt(check, 0)); |
| 1377 | } |
| 1378 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1379 | void LocationsBuilderARM64::VisitCompare(HCompare* compare) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1380 | LocationSummary* locations = |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1381 | new (GetGraph()->GetArena()) LocationSummary(compare, LocationSummary::kNoCall); |
| 1382 | Primitive::Type in_type = compare->InputAt(0)->GetType(); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1383 | switch (in_type) { |
| 1384 | case Primitive::kPrimLong: { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1385 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1386 | locations->SetInAt(1, Location::RegisterOrConstant(compare->InputAt(1))); |
| 1387 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 1388 | break; |
| 1389 | } |
| 1390 | case Primitive::kPrimFloat: |
| 1391 | case Primitive::kPrimDouble: { |
| 1392 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 1393 | locations->SetInAt(1, Location::RequiresFpuRegister()); |
| 1394 | locations->SetOut(Location::RequiresRegister()); |
| 1395 | break; |
| 1396 | } |
| 1397 | default: |
| 1398 | LOG(FATAL) << "Unexpected type for compare operation " << in_type; |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | void InstructionCodeGeneratorARM64::VisitCompare(HCompare* compare) { |
| 1403 | Primitive::Type in_type = compare->InputAt(0)->GetType(); |
| 1404 | |
| 1405 | // 0 if: left == right |
| 1406 | // 1 if: left > right |
| 1407 | // -1 if: left < right |
| 1408 | switch (in_type) { |
| 1409 | case Primitive::kPrimLong: { |
| 1410 | Register result = OutputRegister(compare); |
| 1411 | Register left = InputRegisterAt(compare, 0); |
| 1412 | Operand right = InputOperandAt(compare, 1); |
| 1413 | |
| 1414 | __ Cmp(left, right); |
| 1415 | __ Cset(result, ne); |
| 1416 | __ Cneg(result, result, lt); |
| 1417 | break; |
| 1418 | } |
| 1419 | case Primitive::kPrimFloat: |
| 1420 | case Primitive::kPrimDouble: { |
| 1421 | Register result = OutputRegister(compare); |
| 1422 | FPRegister left = InputFPRegisterAt(compare, 0); |
| 1423 | FPRegister right = InputFPRegisterAt(compare, 1); |
| 1424 | |
| 1425 | __ Fcmp(left, right); |
| 1426 | if (compare->IsGtBias()) { |
| 1427 | __ Cset(result, ne); |
| 1428 | } else { |
| 1429 | __ Csetm(result, ne); |
| 1430 | } |
| 1431 | __ Cneg(result, result, compare->IsGtBias() ? mi : gt); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1432 | break; |
| 1433 | } |
| 1434 | default: |
| 1435 | LOG(FATAL) << "Unimplemented compare type " << in_type; |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | void LocationsBuilderARM64::VisitCondition(HCondition* instruction) { |
| 1440 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 1441 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1442 | locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1))); |
| 1443 | if (instruction->NeedsMaterialization()) { |
Alexandre Rames | fb4e5fa | 2014-11-06 12:41:16 +0000 | [diff] [blame] | 1444 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1445 | } |
| 1446 | } |
| 1447 | |
| 1448 | void InstructionCodeGeneratorARM64::VisitCondition(HCondition* instruction) { |
| 1449 | if (!instruction->NeedsMaterialization()) { |
| 1450 | return; |
| 1451 | } |
| 1452 | |
| 1453 | LocationSummary* locations = instruction->GetLocations(); |
| 1454 | Register lhs = InputRegisterAt(instruction, 0); |
| 1455 | Operand rhs = InputOperandAt(instruction, 1); |
| 1456 | Register res = RegisterFrom(locations->Out(), instruction->GetType()); |
| 1457 | Condition cond = ARM64Condition(instruction->GetCondition()); |
| 1458 | |
| 1459 | __ Cmp(lhs, rhs); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1460 | __ Cset(res, cond); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1461 | } |
| 1462 | |
| 1463 | #define FOR_EACH_CONDITION_INSTRUCTION(M) \ |
| 1464 | M(Equal) \ |
| 1465 | M(NotEqual) \ |
| 1466 | M(LessThan) \ |
| 1467 | M(LessThanOrEqual) \ |
| 1468 | M(GreaterThan) \ |
| 1469 | M(GreaterThanOrEqual) |
| 1470 | #define DEFINE_CONDITION_VISITORS(Name) \ |
| 1471 | void LocationsBuilderARM64::Visit##Name(H##Name* comp) { VisitCondition(comp); } \ |
| 1472 | void InstructionCodeGeneratorARM64::Visit##Name(H##Name* comp) { VisitCondition(comp); } |
| 1473 | FOR_EACH_CONDITION_INSTRUCTION(DEFINE_CONDITION_VISITORS) |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1474 | #undef DEFINE_CONDITION_VISITORS |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1475 | #undef FOR_EACH_CONDITION_INSTRUCTION |
| 1476 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1477 | void LocationsBuilderARM64::VisitDiv(HDiv* div) { |
| 1478 | LocationSummary* locations = |
| 1479 | new (GetGraph()->GetArena()) LocationSummary(div, LocationSummary::kNoCall); |
| 1480 | switch (div->GetResultType()) { |
| 1481 | case Primitive::kPrimInt: |
| 1482 | case Primitive::kPrimLong: |
| 1483 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1484 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1485 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 1486 | break; |
| 1487 | |
| 1488 | case Primitive::kPrimFloat: |
| 1489 | case Primitive::kPrimDouble: |
| 1490 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 1491 | locations->SetInAt(1, Location::RequiresFpuRegister()); |
| 1492 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| 1493 | break; |
| 1494 | |
| 1495 | default: |
| 1496 | LOG(FATAL) << "Unexpected div type " << div->GetResultType(); |
| 1497 | } |
| 1498 | } |
| 1499 | |
| 1500 | void InstructionCodeGeneratorARM64::VisitDiv(HDiv* div) { |
| 1501 | Primitive::Type type = div->GetResultType(); |
| 1502 | switch (type) { |
| 1503 | case Primitive::kPrimInt: |
| 1504 | case Primitive::kPrimLong: |
| 1505 | __ Sdiv(OutputRegister(div), InputRegisterAt(div, 0), InputRegisterAt(div, 1)); |
| 1506 | break; |
| 1507 | |
| 1508 | case Primitive::kPrimFloat: |
| 1509 | case Primitive::kPrimDouble: |
| 1510 | __ Fdiv(OutputFPRegister(div), InputFPRegisterAt(div, 0), InputFPRegisterAt(div, 1)); |
| 1511 | break; |
| 1512 | |
| 1513 | default: |
| 1514 | LOG(FATAL) << "Unexpected div type " << type; |
| 1515 | } |
| 1516 | } |
| 1517 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1518 | void LocationsBuilderARM64::VisitDivZeroCheck(HDivZeroCheck* instruction) { |
| 1519 | LocationSummary* locations = |
| 1520 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| 1521 | locations->SetInAt(0, Location::RegisterOrConstant(instruction->InputAt(0))); |
| 1522 | if (instruction->HasUses()) { |
| 1523 | locations->SetOut(Location::SameAsFirstInput()); |
| 1524 | } |
| 1525 | } |
| 1526 | |
| 1527 | void InstructionCodeGeneratorARM64::VisitDivZeroCheck(HDivZeroCheck* instruction) { |
| 1528 | SlowPathCodeARM64* slow_path = |
| 1529 | new (GetGraph()->GetArena()) DivZeroCheckSlowPathARM64(instruction); |
| 1530 | codegen_->AddSlowPath(slow_path); |
| 1531 | Location value = instruction->GetLocations()->InAt(0); |
| 1532 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1533 | Primitive::Type type = instruction->GetType(); |
| 1534 | |
| 1535 | if ((type != Primitive::kPrimInt) && (type != Primitive::kPrimLong)) { |
| 1536 | LOG(FATAL) << "Unexpected type " << type << "for DivZeroCheck."; |
| 1537 | return; |
| 1538 | } |
| 1539 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1540 | if (value.IsConstant()) { |
| 1541 | int64_t divisor = Int64ConstantFrom(value); |
| 1542 | if (divisor == 0) { |
| 1543 | __ B(slow_path->GetEntryLabel()); |
| 1544 | } else { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1545 | // A division by a non-null constant is valid. We don't need to perform |
| 1546 | // any check, so simply fall through. |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1547 | } |
| 1548 | } else { |
| 1549 | __ Cbz(InputRegisterAt(instruction, 0), slow_path->GetEntryLabel()); |
| 1550 | } |
| 1551 | } |
| 1552 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1553 | void LocationsBuilderARM64::VisitDoubleConstant(HDoubleConstant* constant) { |
| 1554 | LocationSummary* locations = |
| 1555 | new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall); |
| 1556 | locations->SetOut(Location::ConstantLocation(constant)); |
| 1557 | } |
| 1558 | |
| 1559 | void InstructionCodeGeneratorARM64::VisitDoubleConstant(HDoubleConstant* constant) { |
| 1560 | UNUSED(constant); |
| 1561 | // Will be generated at use site. |
| 1562 | } |
| 1563 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1564 | void LocationsBuilderARM64::VisitExit(HExit* exit) { |
| 1565 | exit->SetLocations(nullptr); |
| 1566 | } |
| 1567 | |
| 1568 | void InstructionCodeGeneratorARM64::VisitExit(HExit* exit) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1569 | UNUSED(exit); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1570 | if (kIsDebugBuild) { |
| 1571 | down_cast<Arm64Assembler*>(GetAssembler())->Comment("Unreachable"); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1572 | __ Brk(__LINE__); // TODO: Introduce special markers for such code locations. |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1573 | } |
| 1574 | } |
| 1575 | |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1576 | void LocationsBuilderARM64::VisitFloatConstant(HFloatConstant* constant) { |
| 1577 | LocationSummary* locations = |
| 1578 | new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall); |
| 1579 | locations->SetOut(Location::ConstantLocation(constant)); |
| 1580 | } |
| 1581 | |
| 1582 | void InstructionCodeGeneratorARM64::VisitFloatConstant(HFloatConstant* constant) { |
| 1583 | UNUSED(constant); |
| 1584 | // Will be generated at use site. |
| 1585 | } |
| 1586 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1587 | void LocationsBuilderARM64::VisitGoto(HGoto* got) { |
| 1588 | got->SetLocations(nullptr); |
| 1589 | } |
| 1590 | |
| 1591 | void InstructionCodeGeneratorARM64::VisitGoto(HGoto* got) { |
| 1592 | HBasicBlock* successor = got->GetSuccessor(); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1593 | DCHECK(!successor->IsExitBlock()); |
| 1594 | HBasicBlock* block = got->GetBlock(); |
| 1595 | HInstruction* previous = got->GetPrevious(); |
| 1596 | HLoopInformation* info = block->GetLoopInformation(); |
| 1597 | |
| 1598 | if (info != nullptr && info->IsBackEdge(block) && info->HasSuspendCheck()) { |
| 1599 | codegen_->ClearSpillSlotsFromLoopPhisInStackMap(info->GetSuspendCheck()); |
| 1600 | GenerateSuspendCheck(info->GetSuspendCheck(), successor); |
| 1601 | return; |
| 1602 | } |
| 1603 | if (block->IsEntryBlock() && (previous != nullptr) && previous->IsSuspendCheck()) { |
| 1604 | GenerateSuspendCheck(previous->AsSuspendCheck(), nullptr); |
| 1605 | } |
| 1606 | if (!codegen_->GoesToNextBlock(block, successor)) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1607 | __ B(codegen_->GetLabelOf(successor)); |
| 1608 | } |
| 1609 | } |
| 1610 | |
| 1611 | void LocationsBuilderARM64::VisitIf(HIf* if_instr) { |
| 1612 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(if_instr); |
| 1613 | HInstruction* cond = if_instr->InputAt(0); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1614 | if (!cond->IsCondition() || cond->AsCondition()->NeedsMaterialization()) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1615 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1616 | } |
| 1617 | } |
| 1618 | |
| 1619 | void InstructionCodeGeneratorARM64::VisitIf(HIf* if_instr) { |
| 1620 | HInstruction* cond = if_instr->InputAt(0); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1621 | HCondition* condition = cond->AsCondition(); |
| 1622 | vixl::Label* true_target = codegen_->GetLabelOf(if_instr->IfTrueSuccessor()); |
| 1623 | vixl::Label* false_target = codegen_->GetLabelOf(if_instr->IfFalseSuccessor()); |
| 1624 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1625 | if (cond->IsIntConstant()) { |
| 1626 | int32_t cond_value = cond->AsIntConstant()->GetValue(); |
| 1627 | if (cond_value == 1) { |
| 1628 | if (!codegen_->GoesToNextBlock(if_instr->GetBlock(), if_instr->IfTrueSuccessor())) { |
| 1629 | __ B(true_target); |
| 1630 | } |
| 1631 | return; |
| 1632 | } else { |
| 1633 | DCHECK_EQ(cond_value, 0); |
| 1634 | } |
| 1635 | } else if (!cond->IsCondition() || condition->NeedsMaterialization()) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1636 | // The condition instruction has been materialized, compare the output to 0. |
| 1637 | Location cond_val = if_instr->GetLocations()->InAt(0); |
| 1638 | DCHECK(cond_val.IsRegister()); |
| 1639 | __ Cbnz(InputRegisterAt(if_instr, 0), true_target); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1640 | } else { |
| 1641 | // The condition instruction has not been materialized, use its inputs as |
| 1642 | // the comparison and its condition as the branch condition. |
| 1643 | Register lhs = InputRegisterAt(condition, 0); |
| 1644 | Operand rhs = InputOperandAt(condition, 1); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1645 | Condition arm64_cond = ARM64Condition(condition->GetCondition()); |
| 1646 | if ((arm64_cond == eq || arm64_cond == ne) && rhs.IsImmediate() && (rhs.immediate() == 0)) { |
| 1647 | if (arm64_cond == eq) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1648 | __ Cbz(lhs, true_target); |
| 1649 | } else { |
| 1650 | __ Cbnz(lhs, true_target); |
| 1651 | } |
| 1652 | } else { |
| 1653 | __ Cmp(lhs, rhs); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1654 | __ B(arm64_cond, true_target); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1655 | } |
| 1656 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1657 | if (!codegen_->GoesToNextBlock(if_instr->GetBlock(), if_instr->IfFalseSuccessor())) { |
| 1658 | __ B(false_target); |
| 1659 | } |
| 1660 | } |
| 1661 | |
| 1662 | void LocationsBuilderARM64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) { |
| 1663 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 1664 | locations->SetInAt(0, Location::RequiresRegister()); |
Alexandre Rames | fb4e5fa | 2014-11-06 12:41:16 +0000 | [diff] [blame] | 1665 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1666 | } |
| 1667 | |
| 1668 | void InstructionCodeGeneratorARM64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1669 | MemOperand field = HeapOperand(InputRegisterAt(instruction, 0), instruction->GetFieldOffset()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1670 | codegen_->Load(instruction->GetType(), OutputCPURegister(instruction), field); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1671 | } |
| 1672 | |
| 1673 | void LocationsBuilderARM64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) { |
| 1674 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 1675 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1676 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1677 | } |
| 1678 | |
| 1679 | void InstructionCodeGeneratorARM64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) { |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1680 | Primitive::Type field_type = instruction->GetFieldType(); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1681 | CPURegister value = InputCPURegisterAt(instruction, 1); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1682 | Register obj = InputRegisterAt(instruction, 0); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1683 | codegen_->Store(field_type, value, HeapOperand(obj, instruction->GetFieldOffset())); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 1684 | if (field_type == Primitive::kPrimNot) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1685 | codegen_->MarkGCCard(obj, Register(value)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1686 | } |
| 1687 | } |
| 1688 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1689 | void LocationsBuilderARM64::VisitInstanceOf(HInstanceOf* instruction) { |
| 1690 | LocationSummary::CallKind call_kind = |
| 1691 | instruction->IsClassFinal() ? LocationSummary::kNoCall : LocationSummary::kCallOnSlowPath; |
| 1692 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction, call_kind); |
| 1693 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1694 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1695 | locations->SetOut(Location::RequiresRegister(), true); // The output does overlap inputs. |
| 1696 | } |
| 1697 | |
| 1698 | void InstructionCodeGeneratorARM64::VisitInstanceOf(HInstanceOf* instruction) { |
| 1699 | LocationSummary* locations = instruction->GetLocations(); |
| 1700 | Register obj = InputRegisterAt(instruction, 0);; |
| 1701 | Register cls = InputRegisterAt(instruction, 1);; |
| 1702 | Register out = OutputRegister(instruction); |
| 1703 | |
| 1704 | vixl::Label done; |
| 1705 | |
| 1706 | // Return 0 if `obj` is null. |
| 1707 | // TODO: Avoid this check if we know `obj` is not null. |
| 1708 | __ Mov(out, 0); |
| 1709 | __ Cbz(obj, &done); |
| 1710 | |
| 1711 | // Compare the class of `obj` with `cls`. |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1712 | __ Ldr(out, HeapOperand(obj, mirror::Object::ClassOffset())); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1713 | __ Cmp(out, cls); |
| 1714 | if (instruction->IsClassFinal()) { |
| 1715 | // Classes must be equal for the instanceof to succeed. |
| 1716 | __ Cset(out, eq); |
| 1717 | } else { |
| 1718 | // If the classes are not equal, we go into a slow path. |
| 1719 | DCHECK(locations->OnlyCallsOnSlowPath()); |
| 1720 | SlowPathCodeARM64* slow_path = |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 1721 | new (GetGraph()->GetArena()) TypeCheckSlowPathARM64( |
| 1722 | instruction, locations->InAt(1), locations->Out(), instruction->GetDexPc()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1723 | codegen_->AddSlowPath(slow_path); |
| 1724 | __ B(ne, slow_path->GetEntryLabel()); |
| 1725 | __ Mov(out, 1); |
| 1726 | __ Bind(slow_path->GetExitLabel()); |
| 1727 | } |
| 1728 | |
| 1729 | __ Bind(&done); |
| 1730 | } |
| 1731 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1732 | void LocationsBuilderARM64::VisitIntConstant(HIntConstant* constant) { |
| 1733 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(constant); |
| 1734 | locations->SetOut(Location::ConstantLocation(constant)); |
| 1735 | } |
| 1736 | |
| 1737 | void InstructionCodeGeneratorARM64::VisitIntConstant(HIntConstant* constant) { |
| 1738 | // Will be generated at use site. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1739 | UNUSED(constant); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1740 | } |
| 1741 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1742 | void LocationsBuilderARM64::HandleInvoke(HInvoke* invoke) { |
| 1743 | LocationSummary* locations = |
| 1744 | new (GetGraph()->GetArena()) LocationSummary(invoke, LocationSummary::kCall); |
| 1745 | locations->AddTemp(LocationFrom(x0)); |
| 1746 | |
| 1747 | InvokeDexCallingConventionVisitor calling_convention_visitor; |
| 1748 | for (size_t i = 0; i < invoke->InputCount(); i++) { |
| 1749 | HInstruction* input = invoke->InputAt(i); |
| 1750 | locations->SetInAt(i, calling_convention_visitor.GetNextLocation(input->GetType())); |
| 1751 | } |
| 1752 | |
| 1753 | Primitive::Type return_type = invoke->GetType(); |
| 1754 | if (return_type != Primitive::kPrimVoid) { |
| 1755 | locations->SetOut(calling_convention_visitor.GetReturnLocation(return_type)); |
| 1756 | } |
| 1757 | } |
| 1758 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1759 | void LocationsBuilderARM64::VisitInvokeInterface(HInvokeInterface* invoke) { |
| 1760 | HandleInvoke(invoke); |
| 1761 | } |
| 1762 | |
| 1763 | void InstructionCodeGeneratorARM64::VisitInvokeInterface(HInvokeInterface* invoke) { |
| 1764 | // TODO: b/18116999, our IMTs can miss an IncompatibleClassChangeError. |
| 1765 | Register temp = WRegisterFrom(invoke->GetLocations()->GetTemp(0)); |
| 1766 | uint32_t method_offset = mirror::Class::EmbeddedImTableOffset().Uint32Value() + |
| 1767 | (invoke->GetImtIndex() % mirror::Class::kImtSize) * sizeof(mirror::Class::ImTableEntry); |
| 1768 | Location receiver = invoke->GetLocations()->InAt(0); |
| 1769 | Offset class_offset = mirror::Object::ClassOffset(); |
Nicolas Geoffray | 86a8d7a | 2014-11-19 08:47:18 +0000 | [diff] [blame] | 1770 | Offset entry_point = mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArm64WordSize); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1771 | |
| 1772 | // The register ip1 is required to be used for the hidden argument in |
| 1773 | // art_quick_imt_conflict_trampoline, so prevent VIXL from using it. |
| 1774 | UseScratchRegisterScope scratch_scope(GetVIXLAssembler()); |
| 1775 | scratch_scope.Exclude(ip1); |
| 1776 | __ Mov(ip1, invoke->GetDexMethodIndex()); |
| 1777 | |
| 1778 | // temp = object->GetClass(); |
| 1779 | if (receiver.IsStackSlot()) { |
| 1780 | __ Ldr(temp, StackOperandFrom(receiver)); |
| 1781 | __ Ldr(temp, HeapOperand(temp, class_offset)); |
| 1782 | } else { |
| 1783 | __ Ldr(temp, HeapOperandFrom(receiver, class_offset)); |
| 1784 | } |
| 1785 | // temp = temp->GetImtEntryAt(method_offset); |
| 1786 | __ Ldr(temp, HeapOperand(temp, method_offset)); |
| 1787 | // lr = temp->GetEntryPoint(); |
| 1788 | __ Ldr(lr, HeapOperand(temp, entry_point)); |
| 1789 | // lr(); |
| 1790 | __ Blr(lr); |
| 1791 | DCHECK(!codegen_->IsLeafMethod()); |
| 1792 | codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 1793 | } |
| 1794 | |
| 1795 | void LocationsBuilderARM64::VisitInvokeVirtual(HInvokeVirtual* invoke) { |
| 1796 | HandleInvoke(invoke); |
| 1797 | } |
| 1798 | |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 1799 | void LocationsBuilderARM64::VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1800 | HandleInvoke(invoke); |
| 1801 | } |
| 1802 | |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 1803 | void InstructionCodeGeneratorARM64::VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1804 | Register temp = WRegisterFrom(invoke->GetLocations()->GetTemp(0)); |
| 1805 | // Make sure that ArtMethod* is passed in W0 as per the calling convention |
| 1806 | DCHECK(temp.Is(w0)); |
| 1807 | size_t index_in_cache = mirror::Array::DataOffset(kHeapRefSize).SizeValue() + |
| 1808 | invoke->GetIndexInDexCache() * kHeapRefSize; |
| 1809 | |
| 1810 | // TODO: Implement all kinds of calls: |
| 1811 | // 1) boot -> boot |
| 1812 | // 2) app -> boot |
| 1813 | // 3) app -> app |
| 1814 | // |
| 1815 | // Currently we implement the app -> app logic, which looks up in the resolve cache. |
| 1816 | |
| 1817 | // temp = method; |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1818 | codegen_->LoadCurrentMethod(temp); |
Nicolas Geoffray | 4e44c82 | 2014-12-17 12:25:12 +0000 | [diff] [blame] | 1819 | // temp = temp->dex_cache_resolved_methods_; |
| 1820 | __ Ldr(temp, HeapOperand(temp, mirror::ArtMethod::DexCacheResolvedMethodsOffset())); |
| 1821 | // temp = temp[index_in_cache]; |
| 1822 | __ Ldr(temp, HeapOperand(temp, index_in_cache)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1823 | // lr = temp->entry_point_from_quick_compiled_code_; |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1824 | __ Ldr(lr, HeapOperand(temp, mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset( |
| 1825 | kArm64WordSize))); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1826 | // lr(); |
| 1827 | __ Blr(lr); |
| 1828 | |
| 1829 | codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 1830 | DCHECK(!codegen_->IsLeafMethod()); |
| 1831 | } |
| 1832 | |
| 1833 | void InstructionCodeGeneratorARM64::VisitInvokeVirtual(HInvokeVirtual* invoke) { |
| 1834 | LocationSummary* locations = invoke->GetLocations(); |
| 1835 | Location receiver = locations->InAt(0); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1836 | Register temp = WRegisterFrom(invoke->GetLocations()->GetTemp(0)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1837 | size_t method_offset = mirror::Class::EmbeddedVTableOffset().SizeValue() + |
| 1838 | invoke->GetVTableIndex() * sizeof(mirror::Class::VTableEntry); |
| 1839 | Offset class_offset = mirror::Object::ClassOffset(); |
Nicolas Geoffray | 86a8d7a | 2014-11-19 08:47:18 +0000 | [diff] [blame] | 1840 | Offset entry_point = mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArm64WordSize); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1841 | |
| 1842 | // temp = object->GetClass(); |
| 1843 | if (receiver.IsStackSlot()) { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1844 | __ Ldr(temp, MemOperand(sp, receiver.GetStackIndex())); |
| 1845 | __ Ldr(temp, HeapOperand(temp, class_offset)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1846 | } else { |
| 1847 | DCHECK(receiver.IsRegister()); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1848 | __ Ldr(temp, HeapOperandFrom(receiver, class_offset)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1849 | } |
| 1850 | // temp = temp->GetMethodAt(method_offset); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1851 | __ Ldr(temp, HeapOperand(temp, method_offset)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1852 | // lr = temp->GetEntryPoint(); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1853 | __ Ldr(lr, HeapOperand(temp, entry_point.SizeValue())); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1854 | // lr(); |
| 1855 | __ Blr(lr); |
| 1856 | DCHECK(!codegen_->IsLeafMethod()); |
| 1857 | codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 1858 | } |
| 1859 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1860 | void LocationsBuilderARM64::VisitLoadClass(HLoadClass* cls) { |
| 1861 | LocationSummary::CallKind call_kind = cls->CanCallRuntime() ? LocationSummary::kCallOnSlowPath |
| 1862 | : LocationSummary::kNoCall; |
| 1863 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(cls, call_kind); |
| 1864 | locations->SetOut(Location::RequiresRegister()); |
| 1865 | } |
| 1866 | |
| 1867 | void InstructionCodeGeneratorARM64::VisitLoadClass(HLoadClass* cls) { |
| 1868 | Register out = OutputRegister(cls); |
| 1869 | if (cls->IsReferrersClass()) { |
| 1870 | DCHECK(!cls->CanCallRuntime()); |
| 1871 | DCHECK(!cls->MustGenerateClinitCheck()); |
| 1872 | codegen_->LoadCurrentMethod(out); |
| 1873 | __ Ldr(out, HeapOperand(out, mirror::ArtMethod::DeclaringClassOffset())); |
| 1874 | } else { |
| 1875 | DCHECK(cls->CanCallRuntime()); |
| 1876 | codegen_->LoadCurrentMethod(out); |
| 1877 | __ Ldr(out, HeapOperand(out, mirror::ArtMethod::DexCacheResolvedTypesOffset())); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1878 | __ Ldr(out, HeapOperand(out, CodeGenerator::GetCacheOffset(cls->GetTypeIndex()))); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1879 | |
| 1880 | SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) LoadClassSlowPathARM64( |
| 1881 | cls, cls, cls->GetDexPc(), cls->MustGenerateClinitCheck()); |
| 1882 | codegen_->AddSlowPath(slow_path); |
| 1883 | __ Cbz(out, slow_path->GetEntryLabel()); |
| 1884 | if (cls->MustGenerateClinitCheck()) { |
| 1885 | GenerateClassInitializationCheck(slow_path, out); |
| 1886 | } else { |
| 1887 | __ Bind(slow_path->GetExitLabel()); |
| 1888 | } |
| 1889 | } |
| 1890 | } |
| 1891 | |
| 1892 | void LocationsBuilderARM64::VisitLoadException(HLoadException* load) { |
| 1893 | LocationSummary* locations = |
| 1894 | new (GetGraph()->GetArena()) LocationSummary(load, LocationSummary::kNoCall); |
| 1895 | locations->SetOut(Location::RequiresRegister()); |
| 1896 | } |
| 1897 | |
| 1898 | void InstructionCodeGeneratorARM64::VisitLoadException(HLoadException* instruction) { |
| 1899 | MemOperand exception = MemOperand(tr, Thread::ExceptionOffset<kArm64WordSize>().Int32Value()); |
| 1900 | __ Ldr(OutputRegister(instruction), exception); |
| 1901 | __ Str(wzr, exception); |
| 1902 | } |
| 1903 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1904 | void LocationsBuilderARM64::VisitLoadLocal(HLoadLocal* load) { |
| 1905 | load->SetLocations(nullptr); |
| 1906 | } |
| 1907 | |
| 1908 | void InstructionCodeGeneratorARM64::VisitLoadLocal(HLoadLocal* load) { |
| 1909 | // Nothing to do, this is driven by the code generator. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1910 | UNUSED(load); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1911 | } |
| 1912 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1913 | void LocationsBuilderARM64::VisitLoadString(HLoadString* load) { |
| 1914 | LocationSummary* locations = |
| 1915 | new (GetGraph()->GetArena()) LocationSummary(load, LocationSummary::kCallOnSlowPath); |
| 1916 | locations->SetOut(Location::RequiresRegister()); |
| 1917 | } |
| 1918 | |
| 1919 | void InstructionCodeGeneratorARM64::VisitLoadString(HLoadString* load) { |
| 1920 | SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) LoadStringSlowPathARM64(load); |
| 1921 | codegen_->AddSlowPath(slow_path); |
| 1922 | |
| 1923 | Register out = OutputRegister(load); |
| 1924 | codegen_->LoadCurrentMethod(out); |
Mathieu Chartier | eace458 | 2014-11-24 18:29:54 -0800 | [diff] [blame] | 1925 | __ Ldr(out, HeapOperand(out, mirror::ArtMethod::DeclaringClassOffset())); |
| 1926 | __ Ldr(out, HeapOperand(out, mirror::Class::DexCacheStringsOffset())); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 1927 | __ Ldr(out, HeapOperand(out, CodeGenerator::GetCacheOffset(load->GetStringIndex()))); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1928 | __ Cbz(out, slow_path->GetEntryLabel()); |
| 1929 | __ Bind(slow_path->GetExitLabel()); |
| 1930 | } |
| 1931 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1932 | void LocationsBuilderARM64::VisitLocal(HLocal* local) { |
| 1933 | local->SetLocations(nullptr); |
| 1934 | } |
| 1935 | |
| 1936 | void InstructionCodeGeneratorARM64::VisitLocal(HLocal* local) { |
| 1937 | DCHECK_EQ(local->GetBlock(), GetGraph()->GetEntryBlock()); |
| 1938 | } |
| 1939 | |
| 1940 | void LocationsBuilderARM64::VisitLongConstant(HLongConstant* constant) { |
| 1941 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(constant); |
| 1942 | locations->SetOut(Location::ConstantLocation(constant)); |
| 1943 | } |
| 1944 | |
| 1945 | void InstructionCodeGeneratorARM64::VisitLongConstant(HLongConstant* constant) { |
| 1946 | // Will be generated at use site. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1947 | UNUSED(constant); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 1948 | } |
| 1949 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1950 | void LocationsBuilderARM64::VisitMonitorOperation(HMonitorOperation* instruction) { |
| 1951 | LocationSummary* locations = |
| 1952 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| 1953 | InvokeRuntimeCallingConvention calling_convention; |
| 1954 | locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(0))); |
| 1955 | } |
| 1956 | |
| 1957 | void InstructionCodeGeneratorARM64::VisitMonitorOperation(HMonitorOperation* instruction) { |
| 1958 | codegen_->InvokeRuntime(instruction->IsEnter() |
| 1959 | ? QUICK_ENTRY_POINT(pLockObject) : QUICK_ENTRY_POINT(pUnlockObject), |
| 1960 | instruction, |
| 1961 | instruction->GetDexPc()); |
| 1962 | } |
| 1963 | |
Alexandre Rames | 42d641b | 2014-10-27 14:00:51 +0000 | [diff] [blame] | 1964 | void LocationsBuilderARM64::VisitMul(HMul* mul) { |
| 1965 | LocationSummary* locations = |
| 1966 | new (GetGraph()->GetArena()) LocationSummary(mul, LocationSummary::kNoCall); |
| 1967 | switch (mul->GetResultType()) { |
| 1968 | case Primitive::kPrimInt: |
| 1969 | case Primitive::kPrimLong: |
| 1970 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1971 | locations->SetInAt(1, Location::RequiresRegister()); |
Alexandre Rames | fb4e5fa | 2014-11-06 12:41:16 +0000 | [diff] [blame] | 1972 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 42d641b | 2014-10-27 14:00:51 +0000 | [diff] [blame] | 1973 | break; |
| 1974 | |
| 1975 | case Primitive::kPrimFloat: |
| 1976 | case Primitive::kPrimDouble: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1977 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 1978 | locations->SetInAt(1, Location::RequiresFpuRegister()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 1979 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 42d641b | 2014-10-27 14:00:51 +0000 | [diff] [blame] | 1980 | break; |
| 1981 | |
| 1982 | default: |
| 1983 | LOG(FATAL) << "Unexpected mul type " << mul->GetResultType(); |
| 1984 | } |
| 1985 | } |
| 1986 | |
| 1987 | void InstructionCodeGeneratorARM64::VisitMul(HMul* mul) { |
| 1988 | switch (mul->GetResultType()) { |
| 1989 | case Primitive::kPrimInt: |
| 1990 | case Primitive::kPrimLong: |
| 1991 | __ Mul(OutputRegister(mul), InputRegisterAt(mul, 0), InputRegisterAt(mul, 1)); |
| 1992 | break; |
| 1993 | |
| 1994 | case Primitive::kPrimFloat: |
| 1995 | case Primitive::kPrimDouble: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 1996 | __ Fmul(OutputFPRegister(mul), InputFPRegisterAt(mul, 0), InputFPRegisterAt(mul, 1)); |
Alexandre Rames | 42d641b | 2014-10-27 14:00:51 +0000 | [diff] [blame] | 1997 | break; |
| 1998 | |
| 1999 | default: |
| 2000 | LOG(FATAL) << "Unexpected mul type " << mul->GetResultType(); |
| 2001 | } |
| 2002 | } |
| 2003 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2004 | void LocationsBuilderARM64::VisitNeg(HNeg* neg) { |
| 2005 | LocationSummary* locations = |
| 2006 | new (GetGraph()->GetArena()) LocationSummary(neg, LocationSummary::kNoCall); |
| 2007 | switch (neg->GetResultType()) { |
| 2008 | case Primitive::kPrimInt: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2009 | case Primitive::kPrimLong: |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2010 | locations->SetInAt(0, Location::RegisterOrConstant(neg->InputAt(0))); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2011 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2012 | break; |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2013 | |
| 2014 | case Primitive::kPrimFloat: |
| 2015 | case Primitive::kPrimDouble: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2016 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 2017 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2018 | break; |
| 2019 | |
| 2020 | default: |
| 2021 | LOG(FATAL) << "Unexpected neg type " << neg->GetResultType(); |
| 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | void InstructionCodeGeneratorARM64::VisitNeg(HNeg* neg) { |
| 2026 | switch (neg->GetResultType()) { |
| 2027 | case Primitive::kPrimInt: |
| 2028 | case Primitive::kPrimLong: |
| 2029 | __ Neg(OutputRegister(neg), InputOperandAt(neg, 0)); |
| 2030 | break; |
| 2031 | |
| 2032 | case Primitive::kPrimFloat: |
| 2033 | case Primitive::kPrimDouble: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2034 | __ Fneg(OutputFPRegister(neg), InputFPRegisterAt(neg, 0)); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2035 | break; |
| 2036 | |
| 2037 | default: |
| 2038 | LOG(FATAL) << "Unexpected neg type " << neg->GetResultType(); |
| 2039 | } |
| 2040 | } |
| 2041 | |
| 2042 | void LocationsBuilderARM64::VisitNewArray(HNewArray* instruction) { |
| 2043 | LocationSummary* locations = |
| 2044 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| 2045 | InvokeRuntimeCallingConvention calling_convention; |
| 2046 | locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(0))); |
| 2047 | locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(1))); |
| 2048 | locations->SetOut(LocationFrom(x0)); |
| 2049 | locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(2))); |
| 2050 | } |
| 2051 | |
| 2052 | void InstructionCodeGeneratorARM64::VisitNewArray(HNewArray* instruction) { |
| 2053 | LocationSummary* locations = instruction->GetLocations(); |
| 2054 | InvokeRuntimeCallingConvention calling_convention; |
| 2055 | Register type_index = RegisterFrom(locations->GetTemp(0), Primitive::kPrimInt); |
| 2056 | DCHECK(type_index.Is(w0)); |
| 2057 | Register current_method = RegisterFrom(locations->GetTemp(1), Primitive::kPrimNot); |
| 2058 | DCHECK(current_method.Is(w1)); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2059 | codegen_->LoadCurrentMethod(current_method); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2060 | __ Mov(type_index, instruction->GetTypeIndex()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2061 | codegen_->InvokeRuntime( |
| 2062 | QUICK_ENTRY_POINT(pAllocArrayWithAccessCheck), instruction, instruction->GetDexPc()); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 2063 | } |
| 2064 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2065 | void LocationsBuilderARM64::VisitNewInstance(HNewInstance* instruction) { |
| 2066 | LocationSummary* locations = |
| 2067 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| 2068 | InvokeRuntimeCallingConvention calling_convention; |
| 2069 | locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(0))); |
| 2070 | locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(1))); |
| 2071 | locations->SetOut(calling_convention.GetReturnLocation(Primitive::kPrimNot)); |
| 2072 | } |
| 2073 | |
| 2074 | void InstructionCodeGeneratorARM64::VisitNewInstance(HNewInstance* instruction) { |
| 2075 | LocationSummary* locations = instruction->GetLocations(); |
| 2076 | Register type_index = RegisterFrom(locations->GetTemp(0), Primitive::kPrimInt); |
| 2077 | DCHECK(type_index.Is(w0)); |
| 2078 | Register current_method = RegisterFrom(locations->GetTemp(1), Primitive::kPrimNot); |
| 2079 | DCHECK(current_method.Is(w1)); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2080 | codegen_->LoadCurrentMethod(current_method); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2081 | __ Mov(type_index, instruction->GetTypeIndex()); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2082 | codegen_->InvokeRuntime( |
| 2083 | QUICK_ENTRY_POINT(pAllocObjectWithAccessCheck), instruction, instruction->GetDexPc()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2084 | } |
| 2085 | |
| 2086 | void LocationsBuilderARM64::VisitNot(HNot* instruction) { |
| 2087 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
Alexandre Rames | 4e59651 | 2014-11-07 15:56:50 +0000 | [diff] [blame] | 2088 | locations->SetInAt(0, Location::RequiresRegister()); |
Alexandre Rames | fb4e5fa | 2014-11-06 12:41:16 +0000 | [diff] [blame] | 2089 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2090 | } |
| 2091 | |
| 2092 | void InstructionCodeGeneratorARM64::VisitNot(HNot* instruction) { |
| 2093 | switch (instruction->InputAt(0)->GetType()) { |
| 2094 | case Primitive::kPrimBoolean: |
| 2095 | __ Eor(OutputRegister(instruction), InputRegisterAt(instruction, 0), Operand(1)); |
| 2096 | break; |
| 2097 | |
| 2098 | case Primitive::kPrimInt: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2099 | case Primitive::kPrimLong: |
Roland Levillain | 55dcfb5 | 2014-10-24 18:09:09 +0100 | [diff] [blame] | 2100 | __ Mvn(OutputRegister(instruction), InputOperandAt(instruction, 0)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2101 | break; |
| 2102 | |
| 2103 | default: |
| 2104 | LOG(FATAL) << "Unexpected type for not operation " << instruction->GetResultType(); |
| 2105 | } |
| 2106 | } |
| 2107 | |
| 2108 | void LocationsBuilderARM64::VisitNullCheck(HNullCheck* instruction) { |
| 2109 | LocationSummary* locations = |
| 2110 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| 2111 | locations->SetInAt(0, Location::RequiresRegister()); |
| 2112 | if (instruction->HasUses()) { |
| 2113 | locations->SetOut(Location::SameAsFirstInput()); |
| 2114 | } |
| 2115 | } |
| 2116 | |
| 2117 | void InstructionCodeGeneratorARM64::VisitNullCheck(HNullCheck* instruction) { |
| 2118 | SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) NullCheckSlowPathARM64(instruction); |
| 2119 | codegen_->AddSlowPath(slow_path); |
| 2120 | |
| 2121 | LocationSummary* locations = instruction->GetLocations(); |
| 2122 | Location obj = locations->InAt(0); |
| 2123 | if (obj.IsRegister()) { |
| 2124 | __ Cbz(RegisterFrom(obj, instruction->InputAt(0)->GetType()), slow_path->GetEntryLabel()); |
| 2125 | } else { |
| 2126 | DCHECK(obj.IsConstant()) << obj; |
| 2127 | DCHECK_EQ(obj.GetConstant()->AsIntConstant()->GetValue(), 0); |
| 2128 | __ B(slow_path->GetEntryLabel()); |
| 2129 | } |
| 2130 | } |
| 2131 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2132 | void LocationsBuilderARM64::VisitOr(HOr* instruction) { |
| 2133 | HandleBinaryOp(instruction); |
| 2134 | } |
| 2135 | |
| 2136 | void InstructionCodeGeneratorARM64::VisitOr(HOr* instruction) { |
| 2137 | HandleBinaryOp(instruction); |
| 2138 | } |
| 2139 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 2140 | void LocationsBuilderARM64::VisitParallelMove(HParallelMove* instruction ATTRIBUTE_UNUSED) { |
| 2141 | LOG(FATAL) << "Unreachable"; |
| 2142 | } |
| 2143 | |
| 2144 | void InstructionCodeGeneratorARM64::VisitParallelMove(HParallelMove* instruction) { |
| 2145 | codegen_->GetMoveResolver()->EmitNativeCode(instruction); |
| 2146 | } |
| 2147 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2148 | void LocationsBuilderARM64::VisitParameterValue(HParameterValue* instruction) { |
| 2149 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 2150 | Location location = parameter_visitor_.GetNextLocation(instruction->GetType()); |
| 2151 | if (location.IsStackSlot()) { |
| 2152 | location = Location::StackSlot(location.GetStackIndex() + codegen_->GetFrameSize()); |
| 2153 | } else if (location.IsDoubleStackSlot()) { |
| 2154 | location = Location::DoubleStackSlot(location.GetStackIndex() + codegen_->GetFrameSize()); |
| 2155 | } |
| 2156 | locations->SetOut(location); |
| 2157 | } |
| 2158 | |
| 2159 | void InstructionCodeGeneratorARM64::VisitParameterValue(HParameterValue* instruction) { |
| 2160 | // Nothing to do, the parameter is already at its location. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2161 | UNUSED(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2162 | } |
| 2163 | |
| 2164 | void LocationsBuilderARM64::VisitPhi(HPhi* instruction) { |
| 2165 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 2166 | for (size_t i = 0, e = instruction->InputCount(); i < e; ++i) { |
| 2167 | locations->SetInAt(i, Location::Any()); |
| 2168 | } |
| 2169 | locations->SetOut(Location::Any()); |
| 2170 | } |
| 2171 | |
| 2172 | void InstructionCodeGeneratorARM64::VisitPhi(HPhi* instruction) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2173 | UNUSED(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2174 | LOG(FATAL) << "Unreachable"; |
| 2175 | } |
| 2176 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2177 | void LocationsBuilderARM64::VisitRem(HRem* rem) { |
| 2178 | LocationSummary* locations = |
| 2179 | new (GetGraph()->GetArena()) LocationSummary(rem, LocationSummary::kNoCall); |
| 2180 | switch (rem->GetResultType()) { |
| 2181 | case Primitive::kPrimInt: |
| 2182 | case Primitive::kPrimLong: |
| 2183 | locations->SetInAt(0, Location::RequiresRegister()); |
| 2184 | locations->SetInAt(1, Location::RequiresRegister()); |
| 2185 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 2186 | break; |
| 2187 | |
| 2188 | default: |
| 2189 | LOG(FATAL) << "Unexpected rem type " << rem->GetResultType(); |
| 2190 | } |
| 2191 | } |
| 2192 | |
| 2193 | void InstructionCodeGeneratorARM64::VisitRem(HRem* rem) { |
| 2194 | Primitive::Type type = rem->GetResultType(); |
| 2195 | switch (type) { |
| 2196 | case Primitive::kPrimInt: |
| 2197 | case Primitive::kPrimLong: { |
| 2198 | UseScratchRegisterScope temps(GetVIXLAssembler()); |
| 2199 | Register dividend = InputRegisterAt(rem, 0); |
| 2200 | Register divisor = InputRegisterAt(rem, 1); |
| 2201 | Register output = OutputRegister(rem); |
| 2202 | Register temp = temps.AcquireSameSizeAs(output); |
| 2203 | |
| 2204 | __ Sdiv(temp, dividend, divisor); |
| 2205 | __ Msub(output, temp, divisor, dividend); |
| 2206 | break; |
| 2207 | } |
| 2208 | |
| 2209 | default: |
| 2210 | LOG(FATAL) << "Unexpected rem type " << type; |
| 2211 | } |
| 2212 | } |
| 2213 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2214 | void LocationsBuilderARM64::VisitReturn(HReturn* instruction) { |
| 2215 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 2216 | Primitive::Type return_type = instruction->InputAt(0)->GetType(); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 2217 | locations->SetInAt(0, ARM64ReturnLocation(return_type)); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2218 | } |
| 2219 | |
| 2220 | void InstructionCodeGeneratorARM64::VisitReturn(HReturn* instruction) { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 2221 | UNUSED(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2222 | codegen_->GenerateFrameExit(); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 2223 | __ Ret(); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2224 | } |
| 2225 | |
| 2226 | void LocationsBuilderARM64::VisitReturnVoid(HReturnVoid* instruction) { |
| 2227 | instruction->SetLocations(nullptr); |
| 2228 | } |
| 2229 | |
| 2230 | void InstructionCodeGeneratorARM64::VisitReturnVoid(HReturnVoid* instruction) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2231 | UNUSED(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2232 | codegen_->GenerateFrameExit(); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 2233 | __ Ret(); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2234 | } |
| 2235 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2236 | void LocationsBuilderARM64::VisitShl(HShl* shl) { |
| 2237 | HandleShift(shl); |
| 2238 | } |
| 2239 | |
| 2240 | void InstructionCodeGeneratorARM64::VisitShl(HShl* shl) { |
| 2241 | HandleShift(shl); |
| 2242 | } |
| 2243 | |
| 2244 | void LocationsBuilderARM64::VisitShr(HShr* shr) { |
| 2245 | HandleShift(shr); |
| 2246 | } |
| 2247 | |
| 2248 | void InstructionCodeGeneratorARM64::VisitShr(HShr* shr) { |
| 2249 | HandleShift(shr); |
| 2250 | } |
| 2251 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2252 | void LocationsBuilderARM64::VisitStoreLocal(HStoreLocal* store) { |
| 2253 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(store); |
| 2254 | Primitive::Type field_type = store->InputAt(1)->GetType(); |
| 2255 | switch (field_type) { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 2256 | case Primitive::kPrimNot: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2257 | case Primitive::kPrimBoolean: |
| 2258 | case Primitive::kPrimByte: |
| 2259 | case Primitive::kPrimChar: |
| 2260 | case Primitive::kPrimShort: |
| 2261 | case Primitive::kPrimInt: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 2262 | case Primitive::kPrimFloat: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2263 | locations->SetInAt(1, Location::StackSlot(codegen_->GetStackSlot(store->GetLocal()))); |
| 2264 | break; |
| 2265 | |
| 2266 | case Primitive::kPrimLong: |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 2267 | case Primitive::kPrimDouble: |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2268 | locations->SetInAt(1, Location::DoubleStackSlot(codegen_->GetStackSlot(store->GetLocal()))); |
| 2269 | break; |
| 2270 | |
| 2271 | default: |
| 2272 | LOG(FATAL) << "Unimplemented local type " << field_type; |
| 2273 | } |
| 2274 | } |
| 2275 | |
| 2276 | void InstructionCodeGeneratorARM64::VisitStoreLocal(HStoreLocal* store) { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2277 | UNUSED(store); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2278 | } |
| 2279 | |
| 2280 | void LocationsBuilderARM64::VisitSub(HSub* instruction) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2281 | HandleBinaryOp(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2282 | } |
| 2283 | |
| 2284 | void InstructionCodeGeneratorARM64::VisitSub(HSub* instruction) { |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2285 | HandleBinaryOp(instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2286 | } |
| 2287 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2288 | void LocationsBuilderARM64::VisitStaticFieldGet(HStaticFieldGet* instruction) { |
| 2289 | LocationSummary* locations = |
| 2290 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| 2291 | locations->SetInAt(0, Location::RequiresRegister()); |
| 2292 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 2293 | } |
| 2294 | |
| 2295 | void InstructionCodeGeneratorARM64::VisitStaticFieldGet(HStaticFieldGet* instruction) { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2296 | MemOperand field = HeapOperand(InputRegisterAt(instruction, 0), instruction->GetFieldOffset()); |
| 2297 | codegen_->Load(instruction->GetType(), OutputCPURegister(instruction), field); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2298 | } |
| 2299 | |
| 2300 | void LocationsBuilderARM64::VisitStaticFieldSet(HStaticFieldSet* instruction) { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2301 | LocationSummary* locations = |
| 2302 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| 2303 | locations->SetInAt(0, Location::RequiresRegister()); |
| 2304 | locations->SetInAt(1, Location::RequiresRegister()); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2305 | } |
| 2306 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2307 | void InstructionCodeGeneratorARM64::VisitStaticFieldSet(HStaticFieldSet* instruction) { |
| 2308 | CPURegister value = InputCPURegisterAt(instruction, 1); |
| 2309 | Register cls = InputRegisterAt(instruction, 0); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2310 | Offset offset = instruction->GetFieldOffset(); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2311 | Primitive::Type field_type = instruction->GetFieldType(); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2312 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2313 | codegen_->Store(field_type, value, HeapOperand(cls, offset)); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2314 | if (field_type == Primitive::kPrimNot) { |
| 2315 | codegen_->MarkGCCard(cls, Register(value)); |
| 2316 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2317 | } |
| 2318 | |
| 2319 | void LocationsBuilderARM64::VisitSuspendCheck(HSuspendCheck* instruction) { |
| 2320 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnSlowPath); |
| 2321 | } |
| 2322 | |
| 2323 | void InstructionCodeGeneratorARM64::VisitSuspendCheck(HSuspendCheck* instruction) { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2324 | HBasicBlock* block = instruction->GetBlock(); |
| 2325 | if (block->GetLoopInformation() != nullptr) { |
| 2326 | DCHECK(block->GetLoopInformation()->GetSuspendCheck() == instruction); |
| 2327 | // The back edge will generate the suspend check. |
| 2328 | return; |
| 2329 | } |
| 2330 | if (block->IsEntryBlock() && instruction->GetNext()->IsGoto()) { |
| 2331 | // The goto will generate the suspend check. |
| 2332 | return; |
| 2333 | } |
| 2334 | GenerateSuspendCheck(instruction, nullptr); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2335 | } |
| 2336 | |
| 2337 | void LocationsBuilderARM64::VisitTemporary(HTemporary* temp) { |
| 2338 | temp->SetLocations(nullptr); |
| 2339 | } |
| 2340 | |
| 2341 | void InstructionCodeGeneratorARM64::VisitTemporary(HTemporary* temp) { |
| 2342 | // Nothing to do, this is driven by the code generator. |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2343 | UNUSED(temp); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2344 | } |
| 2345 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2346 | void LocationsBuilderARM64::VisitThrow(HThrow* instruction) { |
| 2347 | LocationSummary* locations = |
| 2348 | new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| 2349 | InvokeRuntimeCallingConvention calling_convention; |
| 2350 | locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(0))); |
| 2351 | } |
| 2352 | |
| 2353 | void InstructionCodeGeneratorARM64::VisitThrow(HThrow* instruction) { |
| 2354 | codegen_->InvokeRuntime( |
| 2355 | QUICK_ENTRY_POINT(pDeliverException), instruction, instruction->GetDexPc()); |
| 2356 | } |
| 2357 | |
| 2358 | void LocationsBuilderARM64::VisitTypeConversion(HTypeConversion* conversion) { |
| 2359 | LocationSummary* locations = |
| 2360 | new (GetGraph()->GetArena()) LocationSummary(conversion, LocationSummary::kNoCall); |
| 2361 | Primitive::Type input_type = conversion->GetInputType(); |
| 2362 | Primitive::Type result_type = conversion->GetResultType(); |
Nicolas Geoffray | 01fcc9e | 2014-12-01 14:16:20 +0000 | [diff] [blame] | 2363 | DCHECK_NE(input_type, result_type); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2364 | if ((input_type == Primitive::kPrimNot) || (input_type == Primitive::kPrimVoid) || |
| 2365 | (result_type == Primitive::kPrimNot) || (result_type == Primitive::kPrimVoid)) { |
| 2366 | LOG(FATAL) << "Unexpected type conversion from " << input_type << " to " << result_type; |
| 2367 | } |
| 2368 | |
| 2369 | if (IsFPType(input_type)) { |
| 2370 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 2371 | } else { |
| 2372 | locations->SetInAt(0, Location::RequiresRegister()); |
| 2373 | } |
| 2374 | |
| 2375 | if (IsFPType(result_type)) { |
| 2376 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| 2377 | } else { |
| 2378 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 2379 | } |
| 2380 | } |
| 2381 | |
| 2382 | void InstructionCodeGeneratorARM64::VisitTypeConversion(HTypeConversion* conversion) { |
| 2383 | Primitive::Type result_type = conversion->GetResultType(); |
| 2384 | Primitive::Type input_type = conversion->GetInputType(); |
| 2385 | |
| 2386 | DCHECK_NE(input_type, result_type); |
| 2387 | |
| 2388 | if (IsIntegralType(result_type) && IsIntegralType(input_type)) { |
| 2389 | int result_size = Primitive::ComponentSize(result_type); |
| 2390 | int input_size = Primitive::ComponentSize(input_type); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 2391 | int min_size = std::min(result_size, input_size); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2392 | Register output = OutputRegister(conversion); |
| 2393 | Register source = InputRegisterAt(conversion, 0); |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 2394 | if ((result_type == Primitive::kPrimChar) && (input_size < result_size)) { |
| 2395 | __ Ubfx(output, source, 0, result_size * kBitsPerByte); |
| 2396 | } else if ((result_type == Primitive::kPrimChar) || |
| 2397 | ((input_type == Primitive::kPrimChar) && (result_size > input_size))) { |
| 2398 | __ Ubfx(output, output.IsX() ? source.X() : source.W(), 0, min_size * kBitsPerByte); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2399 | } else { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 2400 | __ Sbfx(output, output.IsX() ? source.X() : source.W(), 0, min_size * kBitsPerByte); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2401 | } |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2402 | } else if (IsFPType(result_type) && IsIntegralType(input_type)) { |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2403 | __ Scvtf(OutputFPRegister(conversion), InputRegisterAt(conversion, 0)); |
| 2404 | } else if (IsIntegralType(result_type) && IsFPType(input_type)) { |
| 2405 | CHECK(result_type == Primitive::kPrimInt || result_type == Primitive::kPrimLong); |
| 2406 | __ Fcvtzs(OutputRegister(conversion), InputFPRegisterAt(conversion, 0)); |
| 2407 | } else if (IsFPType(result_type) && IsFPType(input_type)) { |
| 2408 | __ Fcvt(OutputFPRegister(conversion), InputFPRegisterAt(conversion, 0)); |
| 2409 | } else { |
| 2410 | LOG(FATAL) << "Unexpected or unimplemented type conversion from " << input_type |
| 2411 | << " to " << result_type; |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2412 | } |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2413 | } |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2414 | |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 2415 | void LocationsBuilderARM64::VisitUShr(HUShr* ushr) { |
| 2416 | HandleShift(ushr); |
| 2417 | } |
| 2418 | |
| 2419 | void InstructionCodeGeneratorARM64::VisitUShr(HUShr* ushr) { |
| 2420 | HandleShift(ushr); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 2421 | } |
| 2422 | |
| 2423 | void LocationsBuilderARM64::VisitXor(HXor* instruction) { |
| 2424 | HandleBinaryOp(instruction); |
| 2425 | } |
| 2426 | |
| 2427 | void InstructionCodeGeneratorARM64::VisitXor(HXor* instruction) { |
| 2428 | HandleBinaryOp(instruction); |
| 2429 | } |
| 2430 | |
| 2431 | #undef __ |
| 2432 | #undef QUICK_ENTRY_POINT |
| 2433 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 2434 | } // namespace arm64 |
| 2435 | } // namespace art |