Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +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_x86_64.h" |
| 18 | |
| 19 | #include "entrypoints/quick/quick_entrypoints.h" |
Nicolas Geoffray | 1a43dd7 | 2014-07-17 15:15:34 +0100 | [diff] [blame] | 20 | #include "gc/accounting/card_table.h" |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 21 | #include "mirror/array.h" |
| 22 | #include "mirror/art_method.h" |
| 23 | #include "mirror/object_reference.h" |
| 24 | #include "thread.h" |
| 25 | #include "utils/assembler.h" |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 26 | #include "utils/stack_checks.h" |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 27 | #include "utils/x86_64/assembler_x86_64.h" |
| 28 | #include "utils/x86_64/managed_register_x86_64.h" |
| 29 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 30 | namespace art { |
| 31 | |
| 32 | x86_64::X86_64ManagedRegister Location::AsX86_64() const { |
| 33 | return reg().AsX86_64(); |
| 34 | } |
| 35 | |
| 36 | namespace x86_64 { |
| 37 | |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 38 | static constexpr bool kExplicitStackOverflowCheck = true; |
| 39 | |
| 40 | // Some x86_64 instructions require a register to be available as temp. |
| 41 | static constexpr Register TMP = R11; |
| 42 | |
| 43 | static constexpr int kNumberOfPushedRegistersAtEntry = 1; |
| 44 | static constexpr int kCurrentMethodStackOffset = 0; |
| 45 | |
| 46 | |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 47 | #define __ reinterpret_cast<X86_64Assembler*>(codegen->GetAssembler())-> |
| 48 | |
| 49 | class NullCheckSlowPathX86_64 : public SlowPathCode { |
| 50 | public: |
| 51 | explicit NullCheckSlowPathX86_64(uint32_t dex_pc) : dex_pc_(dex_pc) {} |
| 52 | |
| 53 | virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 54 | __ Bind(GetEntryLabel()); |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 55 | __ gs()->call( |
| 56 | Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pThrowNullPointer), true)); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 57 | codegen->RecordPcInfo(dex_pc_); |
| 58 | } |
| 59 | |
| 60 | private: |
| 61 | const uint32_t dex_pc_; |
| 62 | DISALLOW_COPY_AND_ASSIGN(NullCheckSlowPathX86_64); |
| 63 | }; |
| 64 | |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 65 | class StackOverflowCheckSlowPathX86_64 : public SlowPathCode { |
| 66 | public: |
| 67 | StackOverflowCheckSlowPathX86_64() {} |
| 68 | |
| 69 | virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| 70 | __ Bind(GetEntryLabel()); |
| 71 | __ addq(CpuRegister(RSP), |
| 72 | Immediate(codegen->GetFrameSize() - kNumberOfPushedRegistersAtEntry * kX86_64WordSize)); |
| 73 | __ gs()->jmp( |
| 74 | Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pThrowStackOverflow), true)); |
| 75 | } |
| 76 | |
| 77 | private: |
| 78 | DISALLOW_COPY_AND_ASSIGN(StackOverflowCheckSlowPathX86_64); |
| 79 | }; |
| 80 | |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 81 | #undef __ |
| 82 | #define __ reinterpret_cast<X86_64Assembler*>(GetAssembler())-> |
| 83 | |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 84 | inline Condition X86_64Condition(IfCondition cond) { |
| 85 | switch (cond) { |
| 86 | case kCondEQ: return kEqual; |
| 87 | case kCondNE: return kNotEqual; |
| 88 | case kCondLT: return kLess; |
| 89 | case kCondLE: return kLessEqual; |
| 90 | case kCondGT: return kGreater; |
| 91 | case kCondGE: return kGreaterEqual; |
| 92 | default: |
| 93 | LOG(FATAL) << "Unknown if condition"; |
| 94 | } |
| 95 | return kEqual; |
| 96 | } |
| 97 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 98 | void CodeGeneratorX86_64::DumpCoreRegister(std::ostream& stream, int reg) const { |
| 99 | stream << X86_64ManagedRegister::FromCpuRegister(Register(reg)); |
| 100 | } |
| 101 | |
| 102 | void CodeGeneratorX86_64::DumpFloatingPointRegister(std::ostream& stream, int reg) const { |
| 103 | stream << X86_64ManagedRegister::FromXmmRegister(FloatRegister(reg)); |
| 104 | } |
| 105 | |
| 106 | static Location X86_64CpuLocation(Register reg) { |
| 107 | return Location::RegisterLocation(X86_64ManagedRegister::FromCpuRegister(reg)); |
| 108 | } |
| 109 | |
| 110 | CodeGeneratorX86_64::CodeGeneratorX86_64(HGraph* graph) |
| 111 | : CodeGenerator(graph, kNumberOfRegIds), |
| 112 | location_builder_(graph, this), |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 113 | instruction_visitor_(graph, this), |
| 114 | move_resolver_(graph->GetArena(), this) {} |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 115 | |
Nicolas Geoffray | ab032bc | 2014-07-15 12:55:21 +0100 | [diff] [blame] | 116 | size_t CodeGeneratorX86_64::FrameEntrySpillSize() const { |
| 117 | return kNumberOfPushedRegistersAtEntry * kX86_64WordSize; |
| 118 | } |
| 119 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 120 | InstructionCodeGeneratorX86_64::InstructionCodeGeneratorX86_64(HGraph* graph, CodeGeneratorX86_64* codegen) |
| 121 | : HGraphVisitor(graph), |
| 122 | assembler_(codegen->GetAssembler()), |
| 123 | codegen_(codegen) {} |
| 124 | |
| 125 | ManagedRegister CodeGeneratorX86_64::AllocateFreeRegister(Primitive::Type type, |
| 126 | bool* blocked_registers) const { |
| 127 | switch (type) { |
| 128 | case Primitive::kPrimLong: |
| 129 | case Primitive::kPrimByte: |
| 130 | case Primitive::kPrimBoolean: |
| 131 | case Primitive::kPrimChar: |
| 132 | case Primitive::kPrimShort: |
| 133 | case Primitive::kPrimInt: |
| 134 | case Primitive::kPrimNot: { |
| 135 | size_t reg = AllocateFreeRegisterInternal(blocked_registers, kNumberOfCpuRegisters); |
| 136 | return X86_64ManagedRegister::FromCpuRegister(static_cast<Register>(reg)); |
| 137 | } |
| 138 | |
| 139 | case Primitive::kPrimFloat: |
| 140 | case Primitive::kPrimDouble: |
| 141 | LOG(FATAL) << "Unimplemented register type " << type; |
| 142 | |
| 143 | case Primitive::kPrimVoid: |
| 144 | LOG(FATAL) << "Unreachable type " << type; |
| 145 | } |
| 146 | |
| 147 | return ManagedRegister::NoRegister(); |
| 148 | } |
| 149 | |
| 150 | void CodeGeneratorX86_64::SetupBlockedRegisters(bool* blocked_registers) const { |
| 151 | // Stack register is always reserved. |
| 152 | blocked_registers[RSP] = true; |
| 153 | |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 154 | // Block the register used as TMP. |
| 155 | blocked_registers[TMP] = true; |
| 156 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 157 | // TODO: We currently don't use Quick's callee saved registers. |
| 158 | blocked_registers[RBX] = true; |
| 159 | blocked_registers[RBP] = true; |
| 160 | blocked_registers[R12] = true; |
| 161 | blocked_registers[R13] = true; |
| 162 | blocked_registers[R14] = true; |
| 163 | blocked_registers[R15] = true; |
| 164 | } |
| 165 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 166 | void CodeGeneratorX86_64::GenerateFrameEntry() { |
| 167 | // Create a fake register to mimic Quick. |
| 168 | static const int kFakeReturnRegister = 16; |
| 169 | core_spill_mask_ |= (1 << kFakeReturnRegister); |
| 170 | |
| 171 | // The return PC has already been pushed on the stack. |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 172 | __ subq(CpuRegister(RSP), |
| 173 | Immediate(GetFrameSize() - kNumberOfPushedRegistersAtEntry * kX86_64WordSize)); |
| 174 | |
| 175 | bool skip_overflow_check = IsLeafMethod() |
| 176 | && !IsLargeFrame(GetFrameSize(), InstructionSet::kX86_64); |
| 177 | |
| 178 | if (!skip_overflow_check) { |
| 179 | if (kExplicitStackOverflowCheck) { |
| 180 | SlowPathCode* slow_path = new (GetGraph()->GetArena()) StackOverflowCheckSlowPathX86_64(); |
| 181 | AddSlowPath(slow_path); |
| 182 | |
| 183 | __ gs()->cmpq(CpuRegister(RSP), |
| 184 | Address::Absolute(Thread::StackEndOffset<kX86_64WordSize>(), true)); |
| 185 | __ j(kLess, slow_path->GetEntryLabel()); |
| 186 | } else { |
| 187 | __ testq(CpuRegister(RAX), Address( |
| 188 | CpuRegister(RSP), -static_cast<int32_t>(GetStackOverflowReservedBytes(kX86_64)))); |
| 189 | } |
| 190 | } |
| 191 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 192 | __ movl(Address(CpuRegister(RSP), kCurrentMethodStackOffset), CpuRegister(RDI)); |
| 193 | } |
| 194 | |
| 195 | void CodeGeneratorX86_64::GenerateFrameExit() { |
| 196 | __ addq(CpuRegister(RSP), |
| 197 | Immediate(GetFrameSize() - kNumberOfPushedRegistersAtEntry * kX86_64WordSize)); |
| 198 | } |
| 199 | |
| 200 | void CodeGeneratorX86_64::Bind(Label* label) { |
| 201 | __ Bind(label); |
| 202 | } |
| 203 | |
| 204 | void InstructionCodeGeneratorX86_64::LoadCurrentMethod(CpuRegister reg) { |
| 205 | __ movl(reg, Address(CpuRegister(RSP), kCurrentMethodStackOffset)); |
| 206 | } |
| 207 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 208 | Location CodeGeneratorX86_64::GetStackLocation(HLoadLocal* load) const { |
| 209 | switch (load->GetType()) { |
| 210 | case Primitive::kPrimLong: |
| 211 | return Location::DoubleStackSlot(GetStackSlot(load->GetLocal())); |
| 212 | break; |
| 213 | |
| 214 | case Primitive::kPrimInt: |
| 215 | case Primitive::kPrimNot: |
| 216 | return Location::StackSlot(GetStackSlot(load->GetLocal())); |
| 217 | |
| 218 | case Primitive::kPrimFloat: |
| 219 | case Primitive::kPrimDouble: |
| 220 | LOG(FATAL) << "Unimplemented type " << load->GetType(); |
| 221 | |
| 222 | case Primitive::kPrimBoolean: |
| 223 | case Primitive::kPrimByte: |
| 224 | case Primitive::kPrimChar: |
| 225 | case Primitive::kPrimShort: |
| 226 | case Primitive::kPrimVoid: |
| 227 | LOG(FATAL) << "Unexpected type " << load->GetType(); |
| 228 | } |
| 229 | |
| 230 | LOG(FATAL) << "Unreachable"; |
| 231 | return Location(); |
| 232 | } |
| 233 | |
| 234 | void CodeGeneratorX86_64::Move(Location destination, Location source) { |
| 235 | if (source.Equals(destination)) { |
| 236 | return; |
| 237 | } |
| 238 | if (destination.IsRegister()) { |
| 239 | if (source.IsRegister()) { |
| 240 | __ movq(destination.AsX86_64().AsCpuRegister(), source.AsX86_64().AsCpuRegister()); |
| 241 | } else if (source.IsStackSlot()) { |
| 242 | __ movl(destination.AsX86_64().AsCpuRegister(), Address(CpuRegister(RSP), source.GetStackIndex())); |
| 243 | } else { |
| 244 | DCHECK(source.IsDoubleStackSlot()); |
| 245 | __ movq(destination.AsX86_64().AsCpuRegister(), Address(CpuRegister(RSP), source.GetStackIndex())); |
| 246 | } |
| 247 | } else if (destination.IsStackSlot()) { |
| 248 | if (source.IsRegister()) { |
| 249 | __ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), source.AsX86_64().AsCpuRegister()); |
| 250 | } else { |
| 251 | DCHECK(source.IsStackSlot()); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 252 | __ movl(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex())); |
| 253 | __ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP)); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 254 | } |
| 255 | } else { |
| 256 | DCHECK(destination.IsDoubleStackSlot()); |
| 257 | if (source.IsRegister()) { |
| 258 | __ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), source.AsX86_64().AsCpuRegister()); |
| 259 | } else { |
| 260 | DCHECK(source.IsDoubleStackSlot()); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 261 | __ movq(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex())); |
| 262 | __ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP)); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 263 | } |
| 264 | } |
| 265 | } |
| 266 | |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 267 | void CodeGeneratorX86_64::Move(HInstruction* instruction, |
| 268 | Location location, |
| 269 | HInstruction* move_for) { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 270 | if (instruction->AsIntConstant() != nullptr) { |
| 271 | Immediate imm(instruction->AsIntConstant()->GetValue()); |
| 272 | if (location.IsRegister()) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 273 | __ movl(location.AsX86_64().AsCpuRegister(), imm); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 274 | } else { |
| 275 | __ movl(Address(CpuRegister(RSP), location.GetStackIndex()), imm); |
| 276 | } |
| 277 | } else if (instruction->AsLongConstant() != nullptr) { |
| 278 | int64_t value = instruction->AsLongConstant()->GetValue(); |
| 279 | if (location.IsRegister()) { |
| 280 | __ movq(location.AsX86_64().AsCpuRegister(), Immediate(value)); |
| 281 | } else { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 282 | __ movq(CpuRegister(TMP), Immediate(value)); |
| 283 | __ movq(Address(CpuRegister(RSP), location.GetStackIndex()), CpuRegister(TMP)); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 284 | } |
| 285 | } else if (instruction->AsLoadLocal() != nullptr) { |
| 286 | switch (instruction->GetType()) { |
| 287 | case Primitive::kPrimBoolean: |
| 288 | case Primitive::kPrimByte: |
| 289 | case Primitive::kPrimChar: |
| 290 | case Primitive::kPrimShort: |
| 291 | case Primitive::kPrimInt: |
| 292 | case Primitive::kPrimNot: |
| 293 | Move(location, Location::StackSlot(GetStackSlot(instruction->AsLoadLocal()->GetLocal()))); |
| 294 | break; |
| 295 | |
| 296 | case Primitive::kPrimLong: |
| 297 | Move(location, Location::DoubleStackSlot(GetStackSlot(instruction->AsLoadLocal()->GetLocal()))); |
| 298 | break; |
| 299 | |
| 300 | default: |
| 301 | LOG(FATAL) << "Unimplemented local type " << instruction->GetType(); |
| 302 | } |
| 303 | } else { |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 304 | DCHECK((instruction->GetNext() == move_for) || instruction->GetNext()->IsTemporary()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 305 | switch (instruction->GetType()) { |
| 306 | case Primitive::kPrimBoolean: |
| 307 | case Primitive::kPrimByte: |
| 308 | case Primitive::kPrimChar: |
| 309 | case Primitive::kPrimShort: |
| 310 | case Primitive::kPrimInt: |
| 311 | case Primitive::kPrimNot: |
| 312 | case Primitive::kPrimLong: |
| 313 | Move(location, instruction->GetLocations()->Out()); |
| 314 | break; |
| 315 | |
| 316 | default: |
| 317 | LOG(FATAL) << "Unimplemented type " << instruction->GetType(); |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | void LocationsBuilderX86_64::VisitGoto(HGoto* got) { |
| 323 | got->SetLocations(nullptr); |
| 324 | } |
| 325 | |
| 326 | void InstructionCodeGeneratorX86_64::VisitGoto(HGoto* got) { |
| 327 | HBasicBlock* successor = got->GetSuccessor(); |
| 328 | if (GetGraph()->GetExitBlock() == successor) { |
| 329 | codegen_->GenerateFrameExit(); |
| 330 | } else if (!codegen_->GoesToNextBlock(got->GetBlock(), successor)) { |
| 331 | __ jmp(codegen_->GetLabelOf(successor)); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | void LocationsBuilderX86_64::VisitExit(HExit* exit) { |
| 336 | exit->SetLocations(nullptr); |
| 337 | } |
| 338 | |
| 339 | void InstructionCodeGeneratorX86_64::VisitExit(HExit* exit) { |
| 340 | if (kIsDebugBuild) { |
| 341 | __ Comment("Unreachable"); |
| 342 | __ int3(); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | void LocationsBuilderX86_64::VisitIf(HIf* if_instr) { |
| 347 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(if_instr); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 348 | HInstruction* cond = if_instr->InputAt(0); |
| 349 | DCHECK(cond->IsCondition()); |
| 350 | HCondition* condition = cond->AsCondition(); |
| 351 | if (condition->NeedsMaterialization()) { |
| 352 | locations->SetInAt(0, Location::Any()); |
| 353 | } |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 354 | if_instr->SetLocations(locations); |
| 355 | } |
| 356 | |
| 357 | void InstructionCodeGeneratorX86_64::VisitIf(HIf* if_instr) { |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 358 | HInstruction* cond = if_instr->InputAt(0); |
| 359 | DCHECK(cond->IsCondition()); |
| 360 | HCondition* condition = cond->AsCondition(); |
| 361 | if (condition->NeedsMaterialization()) { |
| 362 | // Materialized condition, compare against 0. |
| 363 | Location lhs = if_instr->GetLocations()->InAt(0); |
| 364 | if (lhs.IsRegister()) { |
| 365 | __ cmpl(lhs.AsX86_64().AsCpuRegister(), Immediate(0)); |
| 366 | } else { |
| 367 | __ cmpl(Address(CpuRegister(RSP), lhs.GetStackIndex()), Immediate(0)); |
| 368 | } |
| 369 | __ j(kEqual, codegen_->GetLabelOf(if_instr->IfTrueSuccessor())); |
| 370 | } else { |
| 371 | Location lhs = condition->GetLocations()->InAt(0); |
| 372 | Location rhs = condition->GetLocations()->InAt(1); |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 373 | if (rhs.IsRegister()) { |
| 374 | __ cmpl(lhs.AsX86_64().AsCpuRegister(), rhs.AsX86_64().AsCpuRegister()); |
| 375 | } else if (rhs.IsConstant()) { |
| 376 | __ cmpl(lhs.AsX86_64().AsCpuRegister(), |
| 377 | Immediate(rhs.GetConstant()->AsIntConstant()->GetValue())); |
| 378 | } else { |
| 379 | __ cmpl(lhs.AsX86_64().AsCpuRegister(), Address(CpuRegister(RSP), rhs.GetStackIndex())); |
| 380 | } |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 381 | __ j(X86_64Condition(condition->GetCondition()), |
| 382 | codegen_->GetLabelOf(if_instr->IfTrueSuccessor())); |
| 383 | } |
| 384 | if (!codegen_->GoesToNextBlock(if_instr->GetBlock(), if_instr->IfFalseSuccessor())) { |
| 385 | __ jmp(codegen_->GetLabelOf(if_instr->IfFalseSuccessor())); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 386 | } |
| 387 | } |
| 388 | |
| 389 | void LocationsBuilderX86_64::VisitLocal(HLocal* local) { |
| 390 | local->SetLocations(nullptr); |
| 391 | } |
| 392 | |
| 393 | void InstructionCodeGeneratorX86_64::VisitLocal(HLocal* local) { |
| 394 | DCHECK_EQ(local->GetBlock(), GetGraph()->GetEntryBlock()); |
| 395 | } |
| 396 | |
| 397 | void LocationsBuilderX86_64::VisitLoadLocal(HLoadLocal* local) { |
| 398 | local->SetLocations(nullptr); |
| 399 | } |
| 400 | |
| 401 | void InstructionCodeGeneratorX86_64::VisitLoadLocal(HLoadLocal* load) { |
| 402 | // Nothing to do, this is driven by the code generator. |
| 403 | } |
| 404 | |
| 405 | void LocationsBuilderX86_64::VisitStoreLocal(HStoreLocal* store) { |
| 406 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(store); |
| 407 | switch (store->InputAt(1)->GetType()) { |
| 408 | case Primitive::kPrimBoolean: |
| 409 | case Primitive::kPrimByte: |
| 410 | case Primitive::kPrimChar: |
| 411 | case Primitive::kPrimShort: |
| 412 | case Primitive::kPrimInt: |
| 413 | case Primitive::kPrimNot: |
| 414 | locations->SetInAt(1, Location::StackSlot(codegen_->GetStackSlot(store->GetLocal()))); |
| 415 | break; |
| 416 | |
| 417 | case Primitive::kPrimLong: |
| 418 | locations->SetInAt(1, Location::DoubleStackSlot(codegen_->GetStackSlot(store->GetLocal()))); |
| 419 | break; |
| 420 | |
| 421 | default: |
| 422 | LOG(FATAL) << "Unimplemented local type " << store->InputAt(1)->GetType(); |
| 423 | } |
| 424 | store->SetLocations(locations); |
| 425 | } |
| 426 | |
| 427 | void InstructionCodeGeneratorX86_64::VisitStoreLocal(HStoreLocal* store) { |
| 428 | } |
| 429 | |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 430 | void LocationsBuilderX86_64::VisitCondition(HCondition* comp) { |
| 431 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(comp); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 432 | locations->SetInAt(0, Location::RequiresRegister()); |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 433 | locations->SetInAt(1, Location::Any()); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 434 | if (comp->NeedsMaterialization()) { |
| 435 | locations->SetOut(Location::RequiresRegister()); |
| 436 | } |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 437 | comp->SetLocations(locations); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 438 | } |
| 439 | |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 440 | void InstructionCodeGeneratorX86_64::VisitCondition(HCondition* comp) { |
| 441 | if (comp->NeedsMaterialization()) { |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 442 | LocationSummary* locations = comp->GetLocations(); |
| 443 | if (locations->InAt(1).IsRegister()) { |
| 444 | __ cmpq(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 445 | locations->InAt(1).AsX86_64().AsCpuRegister()); |
| 446 | } else if (locations->InAt(1).IsConstant()) { |
| 447 | __ cmpq(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 448 | Immediate(locations->InAt(1).GetConstant()->AsIntConstant()->GetValue())); |
| 449 | } else { |
| 450 | __ cmpq(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 451 | Address(CpuRegister(RSP), locations->InAt(1).GetStackIndex())); |
| 452 | } |
Dave Allison | 20dfc79 | 2014-06-16 20:44:29 -0700 | [diff] [blame] | 453 | __ setcc(X86_64Condition(comp->GetCondition()), |
| 454 | comp->GetLocations()->Out().AsX86_64().AsCpuRegister()); |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | void LocationsBuilderX86_64::VisitEqual(HEqual* comp) { |
| 459 | VisitCondition(comp); |
| 460 | } |
| 461 | |
| 462 | void InstructionCodeGeneratorX86_64::VisitEqual(HEqual* comp) { |
| 463 | VisitCondition(comp); |
| 464 | } |
| 465 | |
| 466 | void LocationsBuilderX86_64::VisitNotEqual(HNotEqual* comp) { |
| 467 | VisitCondition(comp); |
| 468 | } |
| 469 | |
| 470 | void InstructionCodeGeneratorX86_64::VisitNotEqual(HNotEqual* comp) { |
| 471 | VisitCondition(comp); |
| 472 | } |
| 473 | |
| 474 | void LocationsBuilderX86_64::VisitLessThan(HLessThan* comp) { |
| 475 | VisitCondition(comp); |
| 476 | } |
| 477 | |
| 478 | void InstructionCodeGeneratorX86_64::VisitLessThan(HLessThan* comp) { |
| 479 | VisitCondition(comp); |
| 480 | } |
| 481 | |
| 482 | void LocationsBuilderX86_64::VisitLessThanOrEqual(HLessThanOrEqual* comp) { |
| 483 | VisitCondition(comp); |
| 484 | } |
| 485 | |
| 486 | void InstructionCodeGeneratorX86_64::VisitLessThanOrEqual(HLessThanOrEqual* comp) { |
| 487 | VisitCondition(comp); |
| 488 | } |
| 489 | |
| 490 | void LocationsBuilderX86_64::VisitGreaterThan(HGreaterThan* comp) { |
| 491 | VisitCondition(comp); |
| 492 | } |
| 493 | |
| 494 | void InstructionCodeGeneratorX86_64::VisitGreaterThan(HGreaterThan* comp) { |
| 495 | VisitCondition(comp); |
| 496 | } |
| 497 | |
| 498 | void LocationsBuilderX86_64::VisitGreaterThanOrEqual(HGreaterThanOrEqual* comp) { |
| 499 | VisitCondition(comp); |
| 500 | } |
| 501 | |
| 502 | void InstructionCodeGeneratorX86_64::VisitGreaterThanOrEqual(HGreaterThanOrEqual* comp) { |
| 503 | VisitCondition(comp); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 504 | } |
| 505 | |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 506 | void LocationsBuilderX86_64::VisitCompare(HCompare* compare) { |
| 507 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(compare); |
| 508 | locations->SetInAt(0, Location::RequiresRegister()); |
| 509 | locations->SetInAt(1, Location::RequiresRegister()); |
| 510 | locations->SetOut(Location::RequiresRegister()); |
| 511 | compare->SetLocations(locations); |
| 512 | } |
| 513 | |
| 514 | void InstructionCodeGeneratorX86_64::VisitCompare(HCompare* compare) { |
| 515 | Label greater, done; |
| 516 | LocationSummary* locations = compare->GetLocations(); |
| 517 | switch (compare->InputAt(0)->GetType()) { |
| 518 | case Primitive::kPrimLong: |
| 519 | __ cmpq(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 520 | locations->InAt(1).AsX86_64().AsCpuRegister()); |
| 521 | break; |
| 522 | default: |
| 523 | LOG(FATAL) << "Unimplemented compare type " << compare->InputAt(0)->GetType(); |
| 524 | } |
| 525 | |
| 526 | __ movl(locations->Out().AsX86_64().AsCpuRegister(), Immediate(0)); |
| 527 | __ j(kEqual, &done); |
| 528 | __ j(kGreater, &greater); |
| 529 | |
| 530 | __ movl(locations->Out().AsX86_64().AsCpuRegister(), Immediate(-1)); |
| 531 | __ jmp(&done); |
| 532 | |
| 533 | __ Bind(&greater); |
| 534 | __ movl(locations->Out().AsX86_64().AsCpuRegister(), Immediate(1)); |
| 535 | |
| 536 | __ Bind(&done); |
| 537 | } |
| 538 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 539 | void LocationsBuilderX86_64::VisitIntConstant(HIntConstant* constant) { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 540 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(constant); |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 541 | locations->SetOut(Location::ConstantLocation(constant)); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 542 | constant->SetLocations(locations); |
| 543 | } |
| 544 | |
| 545 | void InstructionCodeGeneratorX86_64::VisitIntConstant(HIntConstant* constant) { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | void LocationsBuilderX86_64::VisitLongConstant(HLongConstant* constant) { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 549 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(constant); |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 550 | locations->SetOut(Location::ConstantLocation(constant)); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 551 | constant->SetLocations(locations); |
| 552 | } |
| 553 | |
| 554 | void InstructionCodeGeneratorX86_64::VisitLongConstant(HLongConstant* constant) { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | void LocationsBuilderX86_64::VisitReturnVoid(HReturnVoid* ret) { |
| 558 | ret->SetLocations(nullptr); |
| 559 | } |
| 560 | |
| 561 | void InstructionCodeGeneratorX86_64::VisitReturnVoid(HReturnVoid* ret) { |
| 562 | codegen_->GenerateFrameExit(); |
| 563 | __ ret(); |
| 564 | } |
| 565 | |
| 566 | void LocationsBuilderX86_64::VisitReturn(HReturn* ret) { |
| 567 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(ret); |
| 568 | switch (ret->InputAt(0)->GetType()) { |
| 569 | case Primitive::kPrimBoolean: |
| 570 | case Primitive::kPrimByte: |
| 571 | case Primitive::kPrimChar: |
| 572 | case Primitive::kPrimShort: |
| 573 | case Primitive::kPrimInt: |
| 574 | case Primitive::kPrimNot: |
| 575 | case Primitive::kPrimLong: |
| 576 | locations->SetInAt(0, X86_64CpuLocation(RAX)); |
| 577 | break; |
| 578 | |
| 579 | default: |
| 580 | LOG(FATAL) << "Unimplemented return type " << ret->InputAt(0)->GetType(); |
| 581 | } |
| 582 | ret->SetLocations(locations); |
| 583 | } |
| 584 | |
| 585 | void InstructionCodeGeneratorX86_64::VisitReturn(HReturn* ret) { |
| 586 | if (kIsDebugBuild) { |
| 587 | switch (ret->InputAt(0)->GetType()) { |
| 588 | case Primitive::kPrimBoolean: |
| 589 | case Primitive::kPrimByte: |
| 590 | case Primitive::kPrimChar: |
| 591 | case Primitive::kPrimShort: |
| 592 | case Primitive::kPrimInt: |
| 593 | case Primitive::kPrimNot: |
| 594 | case Primitive::kPrimLong: |
| 595 | DCHECK_EQ(ret->GetLocations()->InAt(0).AsX86_64().AsCpuRegister().AsRegister(), RAX); |
| 596 | break; |
| 597 | |
| 598 | default: |
| 599 | LOG(FATAL) << "Unimplemented return type " << ret->InputAt(0)->GetType(); |
| 600 | } |
| 601 | } |
| 602 | codegen_->GenerateFrameExit(); |
| 603 | __ ret(); |
| 604 | } |
| 605 | |
| 606 | static constexpr Register kRuntimeParameterCoreRegisters[] = { RDI, RSI, RDX }; |
| 607 | static constexpr size_t kRuntimeParameterCoreRegistersLength = |
| 608 | arraysize(kRuntimeParameterCoreRegisters); |
| 609 | |
| 610 | class InvokeRuntimeCallingConvention : public CallingConvention<Register> { |
| 611 | public: |
| 612 | InvokeRuntimeCallingConvention() |
| 613 | : CallingConvention(kRuntimeParameterCoreRegisters, |
| 614 | kRuntimeParameterCoreRegistersLength) {} |
| 615 | |
| 616 | private: |
| 617 | DISALLOW_COPY_AND_ASSIGN(InvokeRuntimeCallingConvention); |
| 618 | }; |
| 619 | |
| 620 | Location InvokeDexCallingConventionVisitor::GetNextLocation(Primitive::Type type) { |
| 621 | switch (type) { |
| 622 | case Primitive::kPrimBoolean: |
| 623 | case Primitive::kPrimByte: |
| 624 | case Primitive::kPrimChar: |
| 625 | case Primitive::kPrimShort: |
| 626 | case Primitive::kPrimInt: |
| 627 | case Primitive::kPrimNot: { |
| 628 | uint32_t index = gp_index_++; |
| 629 | stack_index_++; |
| 630 | if (index < calling_convention.GetNumberOfRegisters()) { |
| 631 | return X86_64CpuLocation(calling_convention.GetRegisterAt(index)); |
| 632 | } else { |
| 633 | return Location::StackSlot(calling_convention.GetStackOffsetOf(stack_index_ - 1)); |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | case Primitive::kPrimLong: { |
| 638 | uint32_t index = gp_index_; |
| 639 | stack_index_ += 2; |
| 640 | if (index < calling_convention.GetNumberOfRegisters()) { |
| 641 | gp_index_ += 1; |
| 642 | return X86_64CpuLocation(calling_convention.GetRegisterAt(index)); |
| 643 | } else { |
| 644 | gp_index_ += 2; |
| 645 | return Location::DoubleStackSlot(calling_convention.GetStackOffsetOf(stack_index_ - 2)); |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | case Primitive::kPrimDouble: |
| 650 | case Primitive::kPrimFloat: |
| 651 | LOG(FATAL) << "Unimplemented parameter type " << type; |
| 652 | break; |
| 653 | |
| 654 | case Primitive::kPrimVoid: |
| 655 | LOG(FATAL) << "Unexpected parameter type " << type; |
| 656 | break; |
| 657 | } |
| 658 | return Location(); |
| 659 | } |
| 660 | |
| 661 | void LocationsBuilderX86_64::VisitInvokeStatic(HInvokeStatic* invoke) { |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 662 | codegen_->MarkNotLeaf(); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 663 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(invoke); |
| 664 | locations->AddTemp(X86_64CpuLocation(RDI)); |
| 665 | |
| 666 | InvokeDexCallingConventionVisitor calling_convention_visitor; |
| 667 | for (size_t i = 0; i < invoke->InputCount(); ++i) { |
| 668 | HInstruction* input = invoke->InputAt(i); |
| 669 | locations->SetInAt(i, calling_convention_visitor.GetNextLocation(input->GetType())); |
| 670 | } |
| 671 | |
| 672 | switch (invoke->GetType()) { |
| 673 | case Primitive::kPrimBoolean: |
| 674 | case Primitive::kPrimByte: |
| 675 | case Primitive::kPrimChar: |
| 676 | case Primitive::kPrimShort: |
| 677 | case Primitive::kPrimInt: |
| 678 | case Primitive::kPrimNot: |
| 679 | case Primitive::kPrimLong: |
| 680 | locations->SetOut(X86_64CpuLocation(RAX)); |
| 681 | break; |
| 682 | |
| 683 | case Primitive::kPrimVoid: |
| 684 | break; |
| 685 | |
| 686 | case Primitive::kPrimDouble: |
| 687 | case Primitive::kPrimFloat: |
| 688 | LOG(FATAL) << "Unimplemented return type " << invoke->GetType(); |
| 689 | break; |
| 690 | } |
| 691 | |
| 692 | invoke->SetLocations(locations); |
| 693 | } |
| 694 | |
| 695 | void InstructionCodeGeneratorX86_64::VisitInvokeStatic(HInvokeStatic* invoke) { |
| 696 | CpuRegister temp = invoke->GetLocations()->GetTemp(0).AsX86_64().AsCpuRegister(); |
| 697 | uint32_t heap_reference_size = sizeof(mirror::HeapReference<mirror::Object>); |
| 698 | size_t index_in_cache = mirror::Array::DataOffset(heap_reference_size).SizeValue() + |
| 699 | invoke->GetIndexInDexCache() * heap_reference_size; |
| 700 | |
| 701 | // TODO: Implement all kinds of calls: |
| 702 | // 1) boot -> boot |
| 703 | // 2) app -> boot |
| 704 | // 3) app -> app |
| 705 | // |
| 706 | // Currently we implement the app -> app logic, which looks up in the resolve cache. |
| 707 | |
| 708 | // temp = method; |
| 709 | LoadCurrentMethod(temp); |
| 710 | // temp = temp->dex_cache_resolved_methods_; |
| 711 | __ movl(temp, Address(temp, mirror::ArtMethod::DexCacheResolvedMethodsOffset().SizeValue())); |
| 712 | // temp = temp[index_in_cache] |
| 713 | __ movl(temp, Address(temp, index_in_cache)); |
| 714 | // (temp + offset_of_quick_compiled_code)() |
| 715 | __ call(Address(temp, mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().SizeValue())); |
| 716 | |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 717 | DCHECK(!codegen_->IsLeafMethod()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 718 | codegen_->RecordPcInfo(invoke->GetDexPc()); |
| 719 | } |
| 720 | |
| 721 | void LocationsBuilderX86_64::VisitAdd(HAdd* add) { |
| 722 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(add); |
| 723 | switch (add->GetResultType()) { |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 724 | case Primitive::kPrimInt: { |
| 725 | locations->SetInAt(0, Location::RequiresRegister()); |
| 726 | locations->SetInAt(1, Location::Any()); |
| 727 | locations->SetOut(Location::SameAsFirstInput()); |
| 728 | break; |
| 729 | } |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 730 | case Primitive::kPrimLong: { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 731 | locations->SetInAt(0, Location::RequiresRegister()); |
| 732 | locations->SetInAt(1, Location::RequiresRegister()); |
| 733 | locations->SetOut(Location::SameAsFirstInput()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 734 | break; |
| 735 | } |
| 736 | |
| 737 | case Primitive::kPrimBoolean: |
| 738 | case Primitive::kPrimByte: |
| 739 | case Primitive::kPrimChar: |
| 740 | case Primitive::kPrimShort: |
| 741 | LOG(FATAL) << "Unexpected add type " << add->GetResultType(); |
| 742 | break; |
| 743 | |
| 744 | default: |
| 745 | LOG(FATAL) << "Unimplemented add type " << add->GetResultType(); |
| 746 | } |
| 747 | add->SetLocations(locations); |
| 748 | } |
| 749 | |
| 750 | void InstructionCodeGeneratorX86_64::VisitAdd(HAdd* add) { |
| 751 | LocationSummary* locations = add->GetLocations(); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 752 | DCHECK_EQ(locations->InAt(0).AsX86_64().AsCpuRegister().AsRegister(), |
| 753 | locations->Out().AsX86_64().AsCpuRegister().AsRegister()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 754 | switch (add->GetResultType()) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 755 | case Primitive::kPrimInt: { |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 756 | if (locations->InAt(1).IsRegister()) { |
| 757 | __ addl(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 758 | locations->InAt(1).AsX86_64().AsCpuRegister()); |
| 759 | } else if (locations->InAt(1).IsConstant()) { |
| 760 | HConstant* instruction = locations->InAt(1).GetConstant(); |
| 761 | Immediate imm(instruction->AsIntConstant()->GetValue()); |
| 762 | __ addl(locations->InAt(0).AsX86_64().AsCpuRegister(), imm); |
| 763 | } else { |
| 764 | __ addl(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 765 | Address(CpuRegister(RSP), locations->InAt(1).GetStackIndex())); |
| 766 | } |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 767 | break; |
| 768 | } |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 769 | case Primitive::kPrimLong: { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 770 | __ addq(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 771 | locations->InAt(1).AsX86_64().AsCpuRegister()); |
| 772 | break; |
| 773 | } |
| 774 | |
| 775 | case Primitive::kPrimBoolean: |
| 776 | case Primitive::kPrimByte: |
| 777 | case Primitive::kPrimChar: |
| 778 | case Primitive::kPrimShort: |
| 779 | LOG(FATAL) << "Unexpected add type " << add->GetResultType(); |
| 780 | break; |
| 781 | |
| 782 | default: |
| 783 | LOG(FATAL) << "Unimplemented add type " << add->GetResultType(); |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | void LocationsBuilderX86_64::VisitSub(HSub* sub) { |
| 788 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(sub); |
| 789 | switch (sub->GetResultType()) { |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 790 | case Primitive::kPrimInt: { |
| 791 | locations->SetInAt(0, Location::RequiresRegister()); |
| 792 | locations->SetInAt(1, Location::Any()); |
| 793 | locations->SetOut(Location::SameAsFirstInput()); |
| 794 | break; |
| 795 | } |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 796 | case Primitive::kPrimLong: { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 797 | locations->SetInAt(0, Location::RequiresRegister()); |
| 798 | locations->SetInAt(1, Location::RequiresRegister()); |
| 799 | locations->SetOut(Location::SameAsFirstInput()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 800 | break; |
| 801 | } |
| 802 | |
| 803 | case Primitive::kPrimBoolean: |
| 804 | case Primitive::kPrimByte: |
| 805 | case Primitive::kPrimChar: |
| 806 | case Primitive::kPrimShort: |
| 807 | LOG(FATAL) << "Unexpected sub type " << sub->GetResultType(); |
| 808 | break; |
| 809 | |
| 810 | default: |
| 811 | LOG(FATAL) << "Unimplemented sub type " << sub->GetResultType(); |
| 812 | } |
| 813 | sub->SetLocations(locations); |
| 814 | } |
| 815 | |
| 816 | void InstructionCodeGeneratorX86_64::VisitSub(HSub* sub) { |
| 817 | LocationSummary* locations = sub->GetLocations(); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 818 | DCHECK_EQ(locations->InAt(0).AsX86_64().AsCpuRegister().AsRegister(), |
| 819 | locations->Out().AsX86_64().AsCpuRegister().AsRegister()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 820 | switch (sub->GetResultType()) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 821 | case Primitive::kPrimInt: { |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 822 | if (locations->InAt(1).IsRegister()) { |
| 823 | __ subl(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 824 | locations->InAt(1).AsX86_64().AsCpuRegister()); |
| 825 | } else if (locations->InAt(1).IsConstant()) { |
| 826 | HConstant* instruction = locations->InAt(1).GetConstant(); |
| 827 | Immediate imm(instruction->AsIntConstant()->GetValue()); |
| 828 | __ subl(locations->InAt(0).AsX86_64().AsCpuRegister(), imm); |
| 829 | } else { |
| 830 | __ subl(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 831 | Address(CpuRegister(RSP), locations->InAt(1).GetStackIndex())); |
| 832 | } |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 833 | break; |
| 834 | } |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 835 | case Primitive::kPrimLong: { |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 836 | __ subq(locations->InAt(0).AsX86_64().AsCpuRegister(), |
| 837 | locations->InAt(1).AsX86_64().AsCpuRegister()); |
| 838 | break; |
| 839 | } |
| 840 | |
| 841 | case Primitive::kPrimBoolean: |
| 842 | case Primitive::kPrimByte: |
| 843 | case Primitive::kPrimChar: |
| 844 | case Primitive::kPrimShort: |
| 845 | LOG(FATAL) << "Unexpected sub type " << sub->GetResultType(); |
| 846 | break; |
| 847 | |
| 848 | default: |
| 849 | LOG(FATAL) << "Unimplemented sub type " << sub->GetResultType(); |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | void LocationsBuilderX86_64::VisitNewInstance(HNewInstance* instruction) { |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 854 | codegen_->MarkNotLeaf(); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 855 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 856 | locations->SetOut(X86_64CpuLocation(RAX)); |
| 857 | instruction->SetLocations(locations); |
| 858 | } |
| 859 | |
| 860 | void InstructionCodeGeneratorX86_64::VisitNewInstance(HNewInstance* instruction) { |
| 861 | InvokeRuntimeCallingConvention calling_convention; |
| 862 | LoadCurrentMethod(CpuRegister(calling_convention.GetRegisterAt(1))); |
| 863 | __ movq(CpuRegister(calling_convention.GetRegisterAt(0)), Immediate(instruction->GetTypeIndex())); |
| 864 | |
| 865 | __ gs()->call(Address::Absolute( |
| 866 | QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pAllocObjectWithAccessCheck), true)); |
| 867 | |
Nicolas Geoffray | f12feb8 | 2014-07-17 18:32:41 +0100 | [diff] [blame^] | 868 | DCHECK(!codegen_->IsLeafMethod()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 869 | codegen_->RecordPcInfo(instruction->GetDexPc()); |
| 870 | } |
| 871 | |
| 872 | void LocationsBuilderX86_64::VisitParameterValue(HParameterValue* instruction) { |
| 873 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 874 | Location location = parameter_visitor_.GetNextLocation(instruction->GetType()); |
| 875 | if (location.IsStackSlot()) { |
| 876 | location = Location::StackSlot(location.GetStackIndex() + codegen_->GetFrameSize()); |
| 877 | } else if (location.IsDoubleStackSlot()) { |
| 878 | location = Location::DoubleStackSlot(location.GetStackIndex() + codegen_->GetFrameSize()); |
| 879 | } |
| 880 | locations->SetOut(location); |
| 881 | instruction->SetLocations(locations); |
| 882 | } |
| 883 | |
| 884 | void InstructionCodeGeneratorX86_64::VisitParameterValue(HParameterValue* instruction) { |
| 885 | // Nothing to do, the parameter is already at its location. |
| 886 | } |
| 887 | |
| 888 | void LocationsBuilderX86_64::VisitNot(HNot* instruction) { |
| 889 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 890 | locations->SetInAt(0, Location::RequiresRegister()); |
| 891 | locations->SetOut(Location::SameAsFirstInput()); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 892 | instruction->SetLocations(locations); |
| 893 | } |
| 894 | |
| 895 | void InstructionCodeGeneratorX86_64::VisitNot(HNot* instruction) { |
| 896 | LocationSummary* locations = instruction->GetLocations(); |
| 897 | DCHECK_EQ(locations->InAt(0).AsX86_64().AsCpuRegister().AsRegister(), |
| 898 | locations->Out().AsX86_64().AsCpuRegister().AsRegister()); |
| 899 | __ xorq(locations->Out().AsX86_64().AsCpuRegister(), Immediate(1)); |
| 900 | } |
| 901 | |
| 902 | void LocationsBuilderX86_64::VisitPhi(HPhi* instruction) { |
| 903 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 904 | for (size_t i = 0, e = instruction->InputCount(); i < e; ++i) { |
| 905 | locations->SetInAt(i, Location::Any()); |
| 906 | } |
| 907 | locations->SetOut(Location::Any()); |
| 908 | instruction->SetLocations(locations); |
| 909 | } |
| 910 | |
| 911 | void InstructionCodeGeneratorX86_64::VisitPhi(HPhi* instruction) { |
| 912 | LOG(FATAL) << "Unimplemented"; |
| 913 | } |
| 914 | |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 915 | void LocationsBuilderX86_64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) { |
| 916 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 917 | locations->SetInAt(0, Location::RequiresRegister()); |
| 918 | locations->SetInAt(1, Location::RequiresRegister()); |
Nicolas Geoffray | 1a43dd7 | 2014-07-17 15:15:34 +0100 | [diff] [blame] | 919 | // Temporary registers for the write barrier. |
| 920 | if (instruction->InputAt(1)->GetType() == Primitive::kPrimNot) { |
| 921 | locations->AddTemp(Location::RequiresRegister()); |
| 922 | locations->AddTemp(Location::RequiresRegister()); |
| 923 | } |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 924 | instruction->SetLocations(locations); |
| 925 | } |
| 926 | |
| 927 | void InstructionCodeGeneratorX86_64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) { |
| 928 | LocationSummary* locations = instruction->GetLocations(); |
| 929 | CpuRegister obj = locations->InAt(0).AsX86_64().AsCpuRegister(); |
| 930 | CpuRegister value = locations->InAt(1).AsX86_64().AsCpuRegister(); |
| 931 | size_t offset = instruction->GetFieldOffset().SizeValue(); |
| 932 | Primitive::Type field_type = instruction->InputAt(1)->GetType(); |
| 933 | |
| 934 | switch (field_type) { |
| 935 | case Primitive::kPrimBoolean: |
| 936 | case Primitive::kPrimByte: { |
| 937 | __ movb(Address(obj, offset), value); |
| 938 | break; |
| 939 | } |
| 940 | |
| 941 | case Primitive::kPrimShort: |
| 942 | case Primitive::kPrimChar: { |
| 943 | __ movw(Address(obj, offset), value); |
| 944 | break; |
| 945 | } |
| 946 | |
Nicolas Geoffray | 1a43dd7 | 2014-07-17 15:15:34 +0100 | [diff] [blame] | 947 | case Primitive::kPrimInt: { |
| 948 | __ movl(Address(obj, offset), value); |
| 949 | break; |
| 950 | } |
| 951 | |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 952 | case Primitive::kPrimNot: { |
| 953 | __ movl(Address(obj, offset), value); |
Nicolas Geoffray | 1a43dd7 | 2014-07-17 15:15:34 +0100 | [diff] [blame] | 954 | Label is_null; |
| 955 | CpuRegister temp = locations->GetTemp(0).AsX86_64().AsCpuRegister(); |
| 956 | CpuRegister card = locations->GetTemp(1).AsX86_64().AsCpuRegister(); |
| 957 | __ testl(value, value); |
| 958 | __ j(kEqual, &is_null); |
| 959 | __ gs()->movq(card, Address::Absolute( |
| 960 | Thread::CardTableOffset<kX86_64WordSize>().Int32Value(), true)); |
| 961 | __ movq(temp, obj); |
| 962 | __ shrq(temp, Immediate(gc::accounting::CardTable::kCardShift)); |
| 963 | __ movb(Address(temp, card, TIMES_1, 0), card); |
| 964 | __ Bind(&is_null); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 965 | break; |
| 966 | } |
| 967 | |
| 968 | case Primitive::kPrimLong: { |
| 969 | __ movq(Address(obj, offset), value); |
| 970 | break; |
| 971 | } |
| 972 | |
| 973 | case Primitive::kPrimFloat: |
| 974 | case Primitive::kPrimDouble: |
| 975 | LOG(FATAL) << "Unimplemented register type " << field_type; |
| 976 | |
| 977 | case Primitive::kPrimVoid: |
| 978 | LOG(FATAL) << "Unreachable type " << field_type; |
| 979 | } |
| 980 | } |
| 981 | |
| 982 | void LocationsBuilderX86_64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) { |
| 983 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 984 | locations->SetInAt(0, Location::RequiresRegister()); |
| 985 | locations->SetOut(Location::RequiresRegister()); |
| 986 | instruction->SetLocations(locations); |
| 987 | } |
| 988 | |
| 989 | void InstructionCodeGeneratorX86_64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) { |
| 990 | LocationSummary* locations = instruction->GetLocations(); |
| 991 | CpuRegister obj = locations->InAt(0).AsX86_64().AsCpuRegister(); |
| 992 | CpuRegister out = locations->Out().AsX86_64().AsCpuRegister(); |
| 993 | size_t offset = instruction->GetFieldOffset().SizeValue(); |
| 994 | |
| 995 | switch (instruction->GetType()) { |
| 996 | case Primitive::kPrimBoolean: { |
| 997 | __ movzxb(out, Address(obj, offset)); |
| 998 | break; |
| 999 | } |
| 1000 | |
| 1001 | case Primitive::kPrimByte: { |
| 1002 | __ movsxb(out, Address(obj, offset)); |
| 1003 | break; |
| 1004 | } |
| 1005 | |
| 1006 | case Primitive::kPrimShort: { |
| 1007 | __ movsxw(out, Address(obj, offset)); |
| 1008 | break; |
| 1009 | } |
| 1010 | |
| 1011 | case Primitive::kPrimChar: { |
| 1012 | __ movzxw(out, Address(obj, offset)); |
| 1013 | break; |
| 1014 | } |
| 1015 | |
| 1016 | case Primitive::kPrimInt: |
| 1017 | case Primitive::kPrimNot: { |
| 1018 | __ movl(out, Address(obj, offset)); |
| 1019 | break; |
| 1020 | } |
| 1021 | |
| 1022 | case Primitive::kPrimLong: { |
| 1023 | __ movq(out, Address(obj, offset)); |
| 1024 | break; |
| 1025 | } |
| 1026 | |
| 1027 | case Primitive::kPrimFloat: |
| 1028 | case Primitive::kPrimDouble: |
| 1029 | LOG(FATAL) << "Unimplemented register type " << instruction->GetType(); |
| 1030 | |
| 1031 | case Primitive::kPrimVoid: |
| 1032 | LOG(FATAL) << "Unreachable type " << instruction->GetType(); |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | void LocationsBuilderX86_64::VisitNullCheck(HNullCheck* instruction) { |
| 1037 | LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 1038 | locations->SetInAt(0, Location::Any()); |
| 1039 | // TODO: Have a normalization phase that makes this instruction never used. |
| 1040 | locations->SetOut(Location::SameAsFirstInput()); |
| 1041 | instruction->SetLocations(locations); |
| 1042 | } |
| 1043 | |
| 1044 | void InstructionCodeGeneratorX86_64::VisitNullCheck(HNullCheck* instruction) { |
| 1045 | SlowPathCode* slow_path = |
| 1046 | new (GetGraph()->GetArena()) NullCheckSlowPathX86_64(instruction->GetDexPc()); |
| 1047 | codegen_->AddSlowPath(slow_path); |
| 1048 | |
| 1049 | LocationSummary* locations = instruction->GetLocations(); |
| 1050 | Location obj = locations->InAt(0); |
| 1051 | DCHECK(obj.Equals(locations->Out())); |
| 1052 | |
| 1053 | if (obj.IsRegister()) { |
| 1054 | __ cmpl(obj.AsX86_64().AsCpuRegister(), Immediate(0)); |
| 1055 | } else { |
| 1056 | DCHECK(locations->InAt(0).IsStackSlot()); |
| 1057 | __ cmpl(Address(CpuRegister(RSP), obj.GetStackIndex()), Immediate(0)); |
| 1058 | } |
| 1059 | __ j(kEqual, slow_path->GetEntryLabel()); |
| 1060 | } |
| 1061 | |
| 1062 | void LocationsBuilderX86_64::VisitTemporary(HTemporary* temp) { |
| 1063 | temp->SetLocations(nullptr); |
| 1064 | } |
| 1065 | |
| 1066 | void InstructionCodeGeneratorX86_64::VisitTemporary(HTemporary* temp) { |
| 1067 | // Nothing to do, this is driven by the code generator. |
| 1068 | } |
| 1069 | |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 1070 | void LocationsBuilderX86_64::VisitParallelMove(HParallelMove* instruction) { |
| 1071 | LOG(FATAL) << "Unimplemented"; |
| 1072 | } |
| 1073 | |
| 1074 | void InstructionCodeGeneratorX86_64::VisitParallelMove(HParallelMove* instruction) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1075 | codegen_->GetMoveResolver()->EmitNativeCode(instruction); |
| 1076 | } |
| 1077 | |
| 1078 | X86_64Assembler* ParallelMoveResolverX86_64::GetAssembler() const { |
| 1079 | return codegen_->GetAssembler(); |
| 1080 | } |
| 1081 | |
| 1082 | void ParallelMoveResolverX86_64::EmitMove(size_t index) { |
| 1083 | MoveOperands* move = moves_.Get(index); |
| 1084 | Location source = move->GetSource(); |
| 1085 | Location destination = move->GetDestination(); |
| 1086 | |
| 1087 | if (source.IsRegister()) { |
| 1088 | if (destination.IsRegister()) { |
| 1089 | __ movq(destination.AsX86_64().AsCpuRegister(), source.AsX86_64().AsCpuRegister()); |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1090 | } else if (destination.IsStackSlot()) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1091 | __ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), |
| 1092 | source.AsX86_64().AsCpuRegister()); |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1093 | } else { |
| 1094 | DCHECK(destination.IsDoubleStackSlot()); |
| 1095 | __ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), |
| 1096 | source.AsX86_64().AsCpuRegister()); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1097 | } |
| 1098 | } else if (source.IsStackSlot()) { |
| 1099 | if (destination.IsRegister()) { |
| 1100 | __ movl(destination.AsX86_64().AsX86_64().AsCpuRegister(), |
| 1101 | Address(CpuRegister(RSP), source.GetStackIndex())); |
| 1102 | } else { |
| 1103 | DCHECK(destination.IsStackSlot()); |
| 1104 | __ movl(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex())); |
| 1105 | __ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP)); |
| 1106 | } |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1107 | } else if (source.IsDoubleStackSlot()) { |
| 1108 | if (destination.IsRegister()) { |
| 1109 | __ movq(destination.AsX86_64().AsX86_64().AsCpuRegister(), |
| 1110 | Address(CpuRegister(RSP), source.GetStackIndex())); |
| 1111 | } else { |
| 1112 | DCHECK(destination.IsDoubleStackSlot()); |
| 1113 | __ movq(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex())); |
| 1114 | __ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP)); |
| 1115 | } |
Nicolas Geoffray | 96f89a2 | 2014-07-11 10:57:49 +0100 | [diff] [blame] | 1116 | } else if (source.IsConstant()) { |
| 1117 | HConstant* constant = source.GetConstant(); |
| 1118 | if (constant->IsIntConstant()) { |
| 1119 | Immediate imm(constant->AsIntConstant()->GetValue()); |
| 1120 | if (destination.IsRegister()) { |
| 1121 | __ movl(destination.AsX86_64().AsCpuRegister(), imm); |
| 1122 | } else { |
| 1123 | __ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), imm); |
| 1124 | } |
| 1125 | } else if (constant->IsLongConstant()) { |
| 1126 | int64_t value = constant->AsLongConstant()->GetValue(); |
| 1127 | if (destination.IsRegister()) { |
| 1128 | __ movq(destination.AsX86_64().AsCpuRegister(), Immediate(value)); |
| 1129 | } else { |
| 1130 | __ movq(CpuRegister(TMP), Immediate(value)); |
| 1131 | __ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP)); |
| 1132 | } |
| 1133 | } else { |
| 1134 | LOG(FATAL) << "Unimplemented constant type"; |
| 1135 | } |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1136 | } else { |
| 1137 | LOG(FATAL) << "Unimplemented"; |
| 1138 | } |
| 1139 | } |
| 1140 | |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1141 | void ParallelMoveResolverX86_64::Exchange32(CpuRegister reg, int mem) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1142 | __ movl(CpuRegister(TMP), Address(CpuRegister(RSP), mem)); |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1143 | __ movl(Address(CpuRegister(RSP), mem), reg); |
| 1144 | __ movl(reg, CpuRegister(TMP)); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1145 | } |
| 1146 | |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1147 | void ParallelMoveResolverX86_64::Exchange32(int mem1, int mem2) { |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1148 | ScratchRegisterScope ensure_scratch( |
| 1149 | this, TMP, RAX, codegen_->GetNumberOfCoreRegisters()); |
| 1150 | |
| 1151 | int stack_offset = ensure_scratch.IsSpilled() ? kX86_64WordSize : 0; |
| 1152 | __ movl(CpuRegister(TMP), Address(CpuRegister(RSP), mem1 + stack_offset)); |
| 1153 | __ movl(CpuRegister(ensure_scratch.GetRegister()), |
| 1154 | Address(CpuRegister(RSP), mem2 + stack_offset)); |
| 1155 | __ movl(Address(CpuRegister(RSP), mem2 + stack_offset), CpuRegister(TMP)); |
| 1156 | __ movl(Address(CpuRegister(RSP), mem1 + stack_offset), |
| 1157 | CpuRegister(ensure_scratch.GetRegister())); |
| 1158 | } |
| 1159 | |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1160 | void ParallelMoveResolverX86_64::Exchange64(CpuRegister reg, int mem) { |
| 1161 | __ movq(CpuRegister(TMP), Address(CpuRegister(RSP), mem)); |
| 1162 | __ movq(Address(CpuRegister(RSP), mem), reg); |
| 1163 | __ movq(reg, CpuRegister(TMP)); |
| 1164 | } |
| 1165 | |
| 1166 | void ParallelMoveResolverX86_64::Exchange64(int mem1, int mem2) { |
| 1167 | ScratchRegisterScope ensure_scratch( |
| 1168 | this, TMP, RAX, codegen_->GetNumberOfCoreRegisters()); |
| 1169 | |
| 1170 | int stack_offset = ensure_scratch.IsSpilled() ? kX86_64WordSize : 0; |
| 1171 | __ movq(CpuRegister(TMP), Address(CpuRegister(RSP), mem1 + stack_offset)); |
| 1172 | __ movq(CpuRegister(ensure_scratch.GetRegister()), |
| 1173 | Address(CpuRegister(RSP), mem2 + stack_offset)); |
| 1174 | __ movq(Address(CpuRegister(RSP), mem2 + stack_offset), CpuRegister(TMP)); |
| 1175 | __ movq(Address(CpuRegister(RSP), mem1 + stack_offset), |
| 1176 | CpuRegister(ensure_scratch.GetRegister())); |
| 1177 | } |
| 1178 | |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1179 | void ParallelMoveResolverX86_64::EmitSwap(size_t index) { |
| 1180 | MoveOperands* move = moves_.Get(index); |
| 1181 | Location source = move->GetSource(); |
| 1182 | Location destination = move->GetDestination(); |
| 1183 | |
| 1184 | if (source.IsRegister() && destination.IsRegister()) { |
| 1185 | __ xchgq(destination.AsX86_64().AsCpuRegister(), source.AsX86_64().AsCpuRegister()); |
| 1186 | } else if (source.IsRegister() && destination.IsStackSlot()) { |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1187 | Exchange32(source.AsX86_64().AsCpuRegister(), destination.GetStackIndex()); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1188 | } else if (source.IsStackSlot() && destination.IsRegister()) { |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1189 | Exchange32(destination.AsX86_64().AsCpuRegister(), source.GetStackIndex()); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1190 | } else if (source.IsStackSlot() && destination.IsStackSlot()) { |
Nicolas Geoffray | 412f10c | 2014-06-19 10:00:34 +0100 | [diff] [blame] | 1191 | Exchange32(destination.GetStackIndex(), source.GetStackIndex()); |
| 1192 | } else if (source.IsRegister() && destination.IsDoubleStackSlot()) { |
| 1193 | Exchange64(source.AsX86_64().AsCpuRegister(), destination.GetStackIndex()); |
| 1194 | } else if (source.IsDoubleStackSlot() && destination.IsRegister()) { |
| 1195 | Exchange64(destination.AsX86_64().AsCpuRegister(), source.GetStackIndex()); |
| 1196 | } else if (source.IsDoubleStackSlot() && destination.IsDoubleStackSlot()) { |
| 1197 | Exchange64(destination.GetStackIndex(), source.GetStackIndex()); |
Nicolas Geoffray | ecb2f9b | 2014-06-13 08:59:59 +0000 | [diff] [blame] | 1198 | } else { |
| 1199 | LOG(FATAL) << "Unimplemented"; |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | |
| 1204 | void ParallelMoveResolverX86_64::SpillScratch(int reg) { |
| 1205 | __ pushq(CpuRegister(reg)); |
| 1206 | } |
| 1207 | |
| 1208 | |
| 1209 | void ParallelMoveResolverX86_64::RestoreScratch(int reg) { |
| 1210 | __ popq(CpuRegister(reg)); |
Nicolas Geoffray | 9cf3552 | 2014-06-09 18:40:10 +0100 | [diff] [blame] | 1211 | } |
| 1212 | |
| 1213 | } // namespace x86_64 |
| 1214 | } // namespace art |