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 | #ifndef ART_COMPILER_OPTIMIZING_CODE_GENERATOR_ARM64_H_ |
| 18 | #define ART_COMPILER_OPTIMIZING_CODE_GENERATOR_ARM64_H_ |
| 19 | |
| 20 | #include "code_generator.h" |
Calin Juravle | e460d1d | 2015-09-29 04:52:17 +0100 | [diff] [blame] | 21 | #include "common_arm64.h" |
Serban Constantinescu | 02d81cc | 2015-01-05 16:08:49 +0000 | [diff] [blame] | 22 | #include "dex/compiler_enums.h" |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 23 | #include "driver/compiler_options.h" |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 24 | #include "nodes.h" |
| 25 | #include "parallel_move_resolver.h" |
| 26 | #include "utils/arm64/assembler_arm64.h" |
Serban Constantinescu | 82e52ce | 2015-03-26 16:50:57 +0000 | [diff] [blame] | 27 | #include "vixl/a64/disasm-a64.h" |
| 28 | #include "vixl/a64/macro-assembler-a64.h" |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 29 | #include "arch/arm64/quick_method_frame_info_arm64.h" |
| 30 | |
| 31 | namespace art { |
| 32 | namespace arm64 { |
| 33 | |
| 34 | class CodeGeneratorARM64; |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 35 | |
Nicolas Geoffray | 86a8d7a | 2014-11-19 08:47:18 +0000 | [diff] [blame] | 36 | // Use a local definition to prevent copying mistakes. |
| 37 | static constexpr size_t kArm64WordSize = kArm64PointerSize; |
| 38 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 39 | static const vixl::Register kParameterCoreRegisters[] = { |
| 40 | vixl::x1, vixl::x2, vixl::x3, vixl::x4, vixl::x5, vixl::x6, vixl::x7 |
| 41 | }; |
| 42 | static constexpr size_t kParameterCoreRegistersLength = arraysize(kParameterCoreRegisters); |
| 43 | static const vixl::FPRegister kParameterFPRegisters[] = { |
| 44 | vixl::d0, vixl::d1, vixl::d2, vixl::d3, vixl::d4, vixl::d5, vixl::d6, vixl::d7 |
| 45 | }; |
| 46 | static constexpr size_t kParameterFPRegistersLength = arraysize(kParameterFPRegisters); |
| 47 | |
Serban Constantinescu | 9bd88b0 | 2015-04-22 16:24:46 +0100 | [diff] [blame] | 48 | const vixl::Register tr = vixl::x19; // Thread Register |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 49 | static const vixl::Register kArtMethodRegister = vixl::x0; // Method register on invoke. |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 50 | |
| 51 | const vixl::CPURegList vixl_reserved_core_registers(vixl::ip0, vixl::ip1); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 52 | const vixl::CPURegList vixl_reserved_fp_registers(vixl::d31); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 53 | |
Zheng Xu | 69a5030 | 2015-04-14 20:04:41 +0800 | [diff] [blame] | 54 | const vixl::CPURegList runtime_reserved_core_registers(tr, vixl::lr); |
Serban Constantinescu | 3d087de | 2015-01-28 11:57:05 +0000 | [diff] [blame] | 55 | |
Serban Constantinescu | 9bd88b0 | 2015-04-22 16:24:46 +0100 | [diff] [blame] | 56 | // Callee-saved registers AAPCS64 (without x19 - Thread Register) |
Serban Constantinescu | 3d087de | 2015-01-28 11:57:05 +0000 | [diff] [blame] | 57 | const vixl::CPURegList callee_saved_core_registers(vixl::CPURegister::kRegister, |
| 58 | vixl::kXRegSize, |
Serban Constantinescu | 9bd88b0 | 2015-04-22 16:24:46 +0100 | [diff] [blame] | 59 | vixl::x20.code(), |
Serban Constantinescu | 3d087de | 2015-01-28 11:57:05 +0000 | [diff] [blame] | 60 | vixl::x30.code()); |
| 61 | const vixl::CPURegList callee_saved_fp_registers(vixl::CPURegister::kFPRegister, |
| 62 | vixl::kDRegSize, |
| 63 | vixl::d8.code(), |
| 64 | vixl::d15.code()); |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 65 | Location ARM64ReturnLocation(Primitive::Type return_type); |
| 66 | |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 67 | class SlowPathCodeARM64 : public SlowPathCode { |
| 68 | public: |
| 69 | SlowPathCodeARM64() : entry_label_(), exit_label_() {} |
| 70 | |
| 71 | vixl::Label* GetEntryLabel() { return &entry_label_; } |
| 72 | vixl::Label* GetExitLabel() { return &exit_label_; } |
| 73 | |
Zheng Xu | da40309 | 2015-04-24 17:35:39 +0800 | [diff] [blame] | 74 | void SaveLiveRegisters(CodeGenerator* codegen, LocationSummary* locations) OVERRIDE; |
| 75 | void RestoreLiveRegisters(CodeGenerator* codegen, LocationSummary* locations) OVERRIDE; |
| 76 | |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 77 | private: |
| 78 | vixl::Label entry_label_; |
| 79 | vixl::Label exit_label_; |
| 80 | |
| 81 | DISALLOW_COPY_AND_ASSIGN(SlowPathCodeARM64); |
| 82 | }; |
| 83 | |
Nicolas Geoffray | d75948a | 2015-03-27 09:53:16 +0000 | [diff] [blame] | 84 | static const vixl::Register kRuntimeParameterCoreRegisters[] = |
| 85 | { vixl::x0, vixl::x1, vixl::x2, vixl::x3, vixl::x4, vixl::x5, vixl::x6, vixl::x7 }; |
| 86 | static constexpr size_t kRuntimeParameterCoreRegistersLength = |
| 87 | arraysize(kRuntimeParameterCoreRegisters); |
| 88 | static const vixl::FPRegister kRuntimeParameterFpuRegisters[] = |
| 89 | { vixl::d0, vixl::d1, vixl::d2, vixl::d3, vixl::d4, vixl::d5, vixl::d6, vixl::d7 }; |
| 90 | static constexpr size_t kRuntimeParameterFpuRegistersLength = |
| 91 | arraysize(kRuntimeParameterCoreRegisters); |
| 92 | |
| 93 | class InvokeRuntimeCallingConvention : public CallingConvention<vixl::Register, vixl::FPRegister> { |
| 94 | public: |
| 95 | static constexpr size_t kParameterCoreRegistersLength = arraysize(kParameterCoreRegisters); |
| 96 | |
| 97 | InvokeRuntimeCallingConvention() |
| 98 | : CallingConvention(kRuntimeParameterCoreRegisters, |
| 99 | kRuntimeParameterCoreRegistersLength, |
| 100 | kRuntimeParameterFpuRegisters, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 101 | kRuntimeParameterFpuRegistersLength, |
| 102 | kArm64PointerSize) {} |
Nicolas Geoffray | d75948a | 2015-03-27 09:53:16 +0000 | [diff] [blame] | 103 | |
| 104 | Location GetReturnLocation(Primitive::Type return_type); |
| 105 | |
| 106 | private: |
| 107 | DISALLOW_COPY_AND_ASSIGN(InvokeRuntimeCallingConvention); |
| 108 | }; |
| 109 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 110 | class InvokeDexCallingConvention : public CallingConvention<vixl::Register, vixl::FPRegister> { |
| 111 | public: |
| 112 | InvokeDexCallingConvention() |
| 113 | : CallingConvention(kParameterCoreRegisters, |
| 114 | kParameterCoreRegistersLength, |
| 115 | kParameterFPRegisters, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 116 | kParameterFPRegistersLength, |
| 117 | kArm64PointerSize) {} |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 118 | |
Nicolas Geoffray | fd88f16 | 2015-06-03 11:23:52 +0100 | [diff] [blame] | 119 | Location GetReturnLocation(Primitive::Type return_type) const { |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 120 | return ARM64ReturnLocation(return_type); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | |
| 124 | private: |
| 125 | DISALLOW_COPY_AND_ASSIGN(InvokeDexCallingConvention); |
| 126 | }; |
| 127 | |
Roland Levillain | 2d27c8e | 2015-04-28 15:48:45 +0100 | [diff] [blame] | 128 | class InvokeDexCallingConventionVisitorARM64 : public InvokeDexCallingConventionVisitor { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 129 | public: |
Roland Levillain | 2d27c8e | 2015-04-28 15:48:45 +0100 | [diff] [blame] | 130 | InvokeDexCallingConventionVisitorARM64() {} |
| 131 | virtual ~InvokeDexCallingConventionVisitorARM64() {} |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 132 | |
Roland Levillain | 2d27c8e | 2015-04-28 15:48:45 +0100 | [diff] [blame] | 133 | Location GetNextLocation(Primitive::Type type) OVERRIDE; |
Nicolas Geoffray | fd88f16 | 2015-06-03 11:23:52 +0100 | [diff] [blame] | 134 | Location GetReturnLocation(Primitive::Type return_type) const OVERRIDE { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 135 | return calling_convention.GetReturnLocation(return_type); |
| 136 | } |
Nicolas Geoffray | fd88f16 | 2015-06-03 11:23:52 +0100 | [diff] [blame] | 137 | Location GetMethodLocation() const OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 138 | |
| 139 | private: |
| 140 | InvokeDexCallingConvention calling_convention; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 141 | |
Roland Levillain | 2d27c8e | 2015-04-28 15:48:45 +0100 | [diff] [blame] | 142 | DISALLOW_COPY_AND_ASSIGN(InvokeDexCallingConventionVisitorARM64); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 143 | }; |
| 144 | |
Calin Juravle | e460d1d | 2015-09-29 04:52:17 +0100 | [diff] [blame] | 145 | class FieldAccessCallingConventionARM64 : public FieldAccessCallingConvention { |
| 146 | public: |
| 147 | FieldAccessCallingConventionARM64() {} |
| 148 | |
| 149 | Location GetObjectLocation() const OVERRIDE { |
| 150 | return helpers::LocationFrom(vixl::x1); |
| 151 | } |
| 152 | Location GetFieldIndexLocation() const OVERRIDE { |
| 153 | return helpers::LocationFrom(vixl::x0); |
| 154 | } |
| 155 | Location GetReturnLocation(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE { |
| 156 | return helpers::LocationFrom(vixl::x0); |
| 157 | } |
| 158 | Location GetSetValueLocation(Primitive::Type type, bool is_instance) const OVERRIDE { |
| 159 | return Primitive::Is64BitType(type) |
| 160 | ? helpers::LocationFrom(vixl::x2) |
| 161 | : (is_instance |
| 162 | ? helpers::LocationFrom(vixl::x2) |
| 163 | : helpers::LocationFrom(vixl::x1)); |
| 164 | } |
| 165 | Location GetFpuLocation(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE { |
| 166 | return helpers::LocationFrom(vixl::d0); |
| 167 | } |
| 168 | |
| 169 | private: |
| 170 | DISALLOW_COPY_AND_ASSIGN(FieldAccessCallingConventionARM64); |
| 171 | }; |
| 172 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 173 | class InstructionCodeGeneratorARM64 : public HGraphVisitor { |
| 174 | public: |
| 175 | InstructionCodeGeneratorARM64(HGraph* graph, CodeGeneratorARM64* codegen); |
| 176 | |
| 177 | #define DECLARE_VISIT_INSTRUCTION(name, super) \ |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 178 | void Visit##name(H##name* instr) OVERRIDE; |
Alexandre Rames | ef20f71 | 2015-06-09 10:29:30 +0100 | [diff] [blame] | 179 | |
| 180 | FOR_EACH_CONCRETE_INSTRUCTION_COMMON(DECLARE_VISIT_INSTRUCTION) |
| 181 | FOR_EACH_CONCRETE_INSTRUCTION_ARM64(DECLARE_VISIT_INSTRUCTION) |
| 182 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 183 | #undef DECLARE_VISIT_INSTRUCTION |
| 184 | |
Alexandre Rames | ef20f71 | 2015-06-09 10:29:30 +0100 | [diff] [blame] | 185 | void VisitInstruction(HInstruction* instruction) OVERRIDE { |
| 186 | LOG(FATAL) << "Unreachable instruction " << instruction->DebugName() |
| 187 | << " (id " << instruction->GetId() << ")"; |
| 188 | } |
| 189 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 190 | Arm64Assembler* GetAssembler() const { return assembler_; } |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 191 | vixl::MacroAssembler* GetVIXLAssembler() { return GetAssembler()->vixl_masm_; } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 192 | |
| 193 | private: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 194 | void GenerateClassInitializationCheck(SlowPathCodeARM64* slow_path, vixl::Register class_reg); |
Serban Constantinescu | 02d81cc | 2015-01-05 16:08:49 +0000 | [diff] [blame] | 195 | void GenerateMemoryBarrier(MemBarrierKind kind); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 196 | void GenerateSuspendCheck(HSuspendCheck* instruction, HBasicBlock* successor); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 197 | void HandleBinaryOp(HBinaryOperation* instr); |
Nicolas Geoffray | 07276db | 2015-05-18 14:22:09 +0100 | [diff] [blame] | 198 | void HandleFieldSet(HInstruction* instruction, |
| 199 | const FieldInfo& field_info, |
| 200 | bool value_can_be_null); |
Alexandre Rames | 09a9996 | 2015-04-15 11:47:56 +0100 | [diff] [blame] | 201 | void HandleFieldGet(HInstruction* instruction, const FieldInfo& field_info); |
Serban Constantinescu | 02164b3 | 2014-11-13 14:05:07 +0000 | [diff] [blame] | 202 | void HandleShift(HBinaryOperation* instr); |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 203 | void GenerateImplicitNullCheck(HNullCheck* instruction); |
| 204 | void GenerateExplicitNullCheck(HNullCheck* instruction); |
Mingyao Yang | d43b3ac | 2015-04-01 14:03:04 -0700 | [diff] [blame] | 205 | void GenerateTestAndBranch(HInstruction* instruction, |
David Brazdil | 0debae7 | 2015-11-12 18:37:00 +0000 | [diff] [blame^] | 206 | size_t condition_input_index, |
Mingyao Yang | d43b3ac | 2015-04-01 14:03:04 -0700 | [diff] [blame] | 207 | vixl::Label* true_target, |
David Brazdil | 0debae7 | 2015-11-12 18:37:00 +0000 | [diff] [blame^] | 208 | vixl::Label* false_target); |
Zheng Xu | c666710 | 2015-05-15 16:08:45 +0800 | [diff] [blame] | 209 | void DivRemOneOrMinusOne(HBinaryOperation* instruction); |
| 210 | void DivRemByPowerOfTwo(HBinaryOperation* instruction); |
| 211 | void GenerateDivRemWithAnyConstant(HBinaryOperation* instruction); |
| 212 | void GenerateDivRemIntegral(HBinaryOperation* instruction); |
David Brazdil | fc6a86a | 2015-06-26 10:33:45 +0000 | [diff] [blame] | 213 | void HandleGoto(HInstruction* got, HBasicBlock* successor); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 214 | |
| 215 | Arm64Assembler* const assembler_; |
| 216 | CodeGeneratorARM64* const codegen_; |
| 217 | |
| 218 | DISALLOW_COPY_AND_ASSIGN(InstructionCodeGeneratorARM64); |
| 219 | }; |
| 220 | |
| 221 | class LocationsBuilderARM64 : public HGraphVisitor { |
| 222 | public: |
Roland Levillain | 3887c46 | 2015-08-12 18:15:42 +0100 | [diff] [blame] | 223 | LocationsBuilderARM64(HGraph* graph, CodeGeneratorARM64* codegen) |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 224 | : HGraphVisitor(graph), codegen_(codegen) {} |
| 225 | |
| 226 | #define DECLARE_VISIT_INSTRUCTION(name, super) \ |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 227 | void Visit##name(H##name* instr) OVERRIDE; |
Alexandre Rames | ef20f71 | 2015-06-09 10:29:30 +0100 | [diff] [blame] | 228 | |
| 229 | FOR_EACH_CONCRETE_INSTRUCTION_COMMON(DECLARE_VISIT_INSTRUCTION) |
| 230 | FOR_EACH_CONCRETE_INSTRUCTION_ARM64(DECLARE_VISIT_INSTRUCTION) |
| 231 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 232 | #undef DECLARE_VISIT_INSTRUCTION |
| 233 | |
Alexandre Rames | ef20f71 | 2015-06-09 10:29:30 +0100 | [diff] [blame] | 234 | void VisitInstruction(HInstruction* instruction) OVERRIDE { |
| 235 | LOG(FATAL) << "Unreachable instruction " << instruction->DebugName() |
| 236 | << " (id " << instruction->GetId() << ")"; |
| 237 | } |
| 238 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 239 | private: |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 240 | void HandleBinaryOp(HBinaryOperation* instr); |
Alexandre Rames | 09a9996 | 2015-04-15 11:47:56 +0100 | [diff] [blame] | 241 | void HandleFieldSet(HInstruction* instruction); |
| 242 | void HandleFieldGet(HInstruction* instruction); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 243 | void HandleInvoke(HInvoke* instr); |
Alexandre Rames | 09a9996 | 2015-04-15 11:47:56 +0100 | [diff] [blame] | 244 | void HandleShift(HBinaryOperation* instr); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 245 | |
| 246 | CodeGeneratorARM64* const codegen_; |
Roland Levillain | 2d27c8e | 2015-04-28 15:48:45 +0100 | [diff] [blame] | 247 | InvokeDexCallingConventionVisitorARM64 parameter_visitor_; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 248 | |
| 249 | DISALLOW_COPY_AND_ASSIGN(LocationsBuilderARM64); |
| 250 | }; |
| 251 | |
Zheng Xu | ad4450e | 2015-04-17 18:48:56 +0800 | [diff] [blame] | 252 | class ParallelMoveResolverARM64 : public ParallelMoveResolverNoSwap { |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 253 | public: |
| 254 | ParallelMoveResolverARM64(ArenaAllocator* allocator, CodeGeneratorARM64* codegen) |
Zheng Xu | ad4450e | 2015-04-17 18:48:56 +0800 | [diff] [blame] | 255 | : ParallelMoveResolverNoSwap(allocator), codegen_(codegen), vixl_temps_() {} |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 256 | |
Zheng Xu | ad4450e | 2015-04-17 18:48:56 +0800 | [diff] [blame] | 257 | protected: |
| 258 | void PrepareForEmitNativeCode() OVERRIDE; |
| 259 | void FinishEmitNativeCode() OVERRIDE; |
| 260 | Location AllocateScratchLocationFor(Location::Kind kind) OVERRIDE; |
| 261 | void FreeScratchLocation(Location loc) OVERRIDE; |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 262 | void EmitMove(size_t index) OVERRIDE; |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 263 | |
| 264 | private: |
| 265 | Arm64Assembler* GetAssembler() const; |
| 266 | vixl::MacroAssembler* GetVIXLAssembler() const { |
| 267 | return GetAssembler()->vixl_masm_; |
| 268 | } |
| 269 | |
| 270 | CodeGeneratorARM64* const codegen_; |
Zheng Xu | ad4450e | 2015-04-17 18:48:56 +0800 | [diff] [blame] | 271 | vixl::UseScratchRegisterScope vixl_temps_; |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 272 | |
| 273 | DISALLOW_COPY_AND_ASSIGN(ParallelMoveResolverARM64); |
| 274 | }; |
| 275 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 276 | class CodeGeneratorARM64 : public CodeGenerator { |
| 277 | public: |
Serban Constantinescu | 579885a | 2015-02-22 20:51:33 +0000 | [diff] [blame] | 278 | CodeGeneratorARM64(HGraph* graph, |
| 279 | const Arm64InstructionSetFeatures& isa_features, |
Serban Constantinescu | ecc4366 | 2015-08-13 13:33:12 +0100 | [diff] [blame] | 280 | const CompilerOptions& compiler_options, |
| 281 | OptimizingCompilerStats* stats = nullptr); |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 282 | virtual ~CodeGeneratorARM64() {} |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 283 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 284 | void GenerateFrameEntry() OVERRIDE; |
| 285 | void GenerateFrameExit() OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 286 | |
Zheng Xu | da40309 | 2015-04-24 17:35:39 +0800 | [diff] [blame] | 287 | vixl::CPURegList GetFramePreservedCoreRegisters() const; |
| 288 | vixl::CPURegList GetFramePreservedFPRegisters() const; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 289 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 290 | void Bind(HBasicBlock* block) OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 291 | |
| 292 | vixl::Label* GetLabelOf(HBasicBlock* block) const { |
Nicolas Geoffray | dc23d83 | 2015-02-16 11:15:43 +0000 | [diff] [blame] | 293 | return CommonGetLabelOf<vixl::Label>(block_labels_, block); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 294 | } |
| 295 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 296 | void Move(HInstruction* instruction, Location location, HInstruction* move_for) OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 297 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 298 | size_t GetWordSize() const OVERRIDE { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 299 | return kArm64WordSize; |
| 300 | } |
| 301 | |
Mark Mendell | f85a9ca | 2015-01-13 09:20:58 -0500 | [diff] [blame] | 302 | size_t GetFloatingPointSpillSlotSize() const OVERRIDE { |
| 303 | // Allocated in D registers, which are word sized. |
| 304 | return kArm64WordSize; |
| 305 | } |
| 306 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 307 | uintptr_t GetAddressOf(HBasicBlock* block) const OVERRIDE { |
| 308 | vixl::Label* block_entry_label = GetLabelOf(block); |
| 309 | DCHECK(block_entry_label->IsBound()); |
| 310 | return block_entry_label->location(); |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 311 | } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 312 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 313 | HGraphVisitor* GetLocationBuilder() OVERRIDE { return &location_builder_; } |
| 314 | HGraphVisitor* GetInstructionVisitor() OVERRIDE { return &instruction_visitor_; } |
| 315 | Arm64Assembler* GetAssembler() OVERRIDE { return &assembler_; } |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 316 | const Arm64Assembler& GetAssembler() const OVERRIDE { return assembler_; } |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 317 | vixl::MacroAssembler* GetVIXLAssembler() { return GetAssembler()->vixl_masm_; } |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 318 | |
| 319 | // Emit a write barrier. |
Nicolas Geoffray | 07276db | 2015-05-18 14:22:09 +0100 | [diff] [blame] | 320 | void MarkGCCard(vixl::Register object, vixl::Register value, bool value_can_be_null); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 321 | |
| 322 | // Register allocation. |
| 323 | |
Nicolas Geoffray | 9889396 | 2015-01-21 12:32:32 +0000 | [diff] [blame] | 324 | void SetupBlockedRegisters(bool is_baseline) const OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 325 | // AllocateFreeRegister() is only used when allocating registers locally |
| 326 | // during CompileBaseline(). |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 327 | Location AllocateFreeRegister(Primitive::Type type) const OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 328 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 329 | Location GetStackLocation(HLoadLocal* load) const OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 330 | |
Zheng Xu | da40309 | 2015-04-24 17:35:39 +0800 | [diff] [blame] | 331 | size_t SaveCoreRegister(size_t stack_index, uint32_t reg_id) OVERRIDE; |
| 332 | size_t RestoreCoreRegister(size_t stack_index, uint32_t reg_id) OVERRIDE; |
| 333 | size_t SaveFloatingPointRegister(size_t stack_index, uint32_t reg_id) OVERRIDE; |
| 334 | size_t RestoreFloatingPointRegister(size_t stack_index, uint32_t reg_id) OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 335 | |
| 336 | // The number of registers that can be allocated. The register allocator may |
| 337 | // decide to reserve and not use a few of them. |
| 338 | // We do not consider registers sp, xzr, wzr. They are either not allocatable |
| 339 | // (xzr, wzr), or make for poor allocatable registers (sp alignment |
| 340 | // requirements, etc.). This also facilitates our task as all other registers |
| 341 | // can easily be mapped via to or from their type and index or code. |
Alexandre Rames | a89086e | 2014-11-07 17:13:25 +0000 | [diff] [blame] | 342 | static const int kNumberOfAllocatableRegisters = vixl::kNumberOfRegisters - 1; |
| 343 | static const int kNumberOfAllocatableFPRegisters = vixl::kNumberOfFPRegisters; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 344 | static constexpr int kNumberOfAllocatableRegisterPairs = 0; |
| 345 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 346 | void DumpCoreRegister(std::ostream& stream, int reg) const OVERRIDE; |
| 347 | void DumpFloatingPointRegister(std::ostream& stream, int reg) const OVERRIDE; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 348 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 349 | InstructionSet GetInstructionSet() const OVERRIDE { |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 350 | return InstructionSet::kArm64; |
| 351 | } |
| 352 | |
Serban Constantinescu | 579885a | 2015-02-22 20:51:33 +0000 | [diff] [blame] | 353 | const Arm64InstructionSetFeatures& GetInstructionSetFeatures() const { |
| 354 | return isa_features_; |
| 355 | } |
| 356 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 357 | void Initialize() OVERRIDE { |
Vladimir Marko | 225b646 | 2015-09-28 12:17:40 +0100 | [diff] [blame] | 358 | block_labels_ = CommonInitializeLabels<vixl::Label>(); |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 359 | } |
| 360 | |
Serban Constantinescu | 32f5b4d | 2014-11-25 20:05:46 +0000 | [diff] [blame] | 361 | void Finalize(CodeAllocator* allocator) OVERRIDE; |
| 362 | |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 363 | // Code generation helpers. |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 364 | void MoveConstant(vixl::CPURegister destination, HConstant* constant); |
Calin Juravle | 175dc73 | 2015-08-25 15:42:32 +0100 | [diff] [blame] | 365 | void MoveConstant(Location destination, int32_t value) OVERRIDE; |
Calin Juravle | e460d1d | 2015-09-29 04:52:17 +0100 | [diff] [blame] | 366 | void MoveLocation(Location dst, Location src, Primitive::Type dst_type) OVERRIDE; |
| 367 | void AddLocationAsTemp(Location location, LocationSummary* locations) OVERRIDE; |
| 368 | |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 369 | void Load(Primitive::Type type, vixl::CPURegister dst, const vixl::MemOperand& src); |
| 370 | void Store(Primitive::Type type, vixl::CPURegister rt, const vixl::MemOperand& dst); |
Calin Juravle | 77520bc | 2015-01-12 18:45:46 +0000 | [diff] [blame] | 371 | void LoadAcquire(HInstruction* instruction, vixl::CPURegister dst, const vixl::MemOperand& src); |
Serban Constantinescu | 02d81cc | 2015-01-05 16:08:49 +0000 | [diff] [blame] | 372 | void StoreRelease(Primitive::Type type, vixl::CPURegister rt, const vixl::MemOperand& dst); |
Alexandre Rames | 67555f7 | 2014-11-18 10:55:16 +0000 | [diff] [blame] | 373 | |
| 374 | // Generate code to invoke a runtime entry point. |
Calin Juravle | 175dc73 | 2015-08-25 15:42:32 +0100 | [diff] [blame] | 375 | void InvokeRuntime(QuickEntrypointEnum entrypoint, |
| 376 | HInstruction* instruction, |
| 377 | uint32_t dex_pc, |
| 378 | SlowPathCode* slow_path) OVERRIDE; |
| 379 | |
Nicolas Geoffray | eeefa12 | 2015-03-13 18:52:59 +0000 | [diff] [blame] | 380 | void InvokeRuntime(int32_t offset, |
| 381 | HInstruction* instruction, |
| 382 | uint32_t dex_pc, |
| 383 | SlowPathCode* slow_path); |
Alexandre Rames | fc19de8 | 2014-11-07 17:13:31 +0000 | [diff] [blame] | 384 | |
Alexandre Rames | e6dbf48 | 2015-10-19 10:10:41 +0100 | [diff] [blame] | 385 | ParallelMoveResolverARM64* GetMoveResolver() OVERRIDE { return &move_resolver_; } |
Nicolas Geoffray | f0e3937 | 2014-11-12 17:50:07 +0000 | [diff] [blame] | 386 | |
Nicolas Geoffray | 840e546 | 2015-01-07 16:01:24 +0000 | [diff] [blame] | 387 | bool NeedsTwoRegisters(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE { |
| 388 | return false; |
| 389 | } |
| 390 | |
Vladimir Marko | dc151b2 | 2015-10-15 18:02:30 +0100 | [diff] [blame] | 391 | // Check if the desired_dispatch_info is supported. If it is, return it, |
| 392 | // otherwise return a fall-back info that should be used instead. |
| 393 | HInvokeStaticOrDirect::DispatchInfo GetSupportedInvokeStaticOrDirectDispatch( |
| 394 | const HInvokeStaticOrDirect::DispatchInfo& desired_dispatch_info, |
| 395 | MethodReference target_method) OVERRIDE; |
| 396 | |
Andreas Gampe | 85b62f2 | 2015-09-09 13:15:38 -0700 | [diff] [blame] | 397 | void GenerateStaticOrDirectCall(HInvokeStaticOrDirect* invoke, Location temp) OVERRIDE; |
| 398 | void GenerateVirtualCall(HInvokeVirtual* invoke, Location temp) OVERRIDE; |
| 399 | |
| 400 | void MoveFromReturnRegister(Location trg ATTRIBUTE_UNUSED, |
| 401 | Primitive::Type type ATTRIBUTE_UNUSED) OVERRIDE { |
| 402 | UNIMPLEMENTED(FATAL); |
| 403 | } |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 404 | |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 405 | void EmitLinkerPatches(ArenaVector<LinkerPatch>* linker_patches) OVERRIDE; |
| 406 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 407 | private: |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 408 | using Uint64ToLiteralMap = ArenaSafeMap<uint64_t, vixl::Literal<uint64_t>*>; |
| 409 | using MethodToLiteralMap = ArenaSafeMap<MethodReference, |
| 410 | vixl::Literal<uint64_t>*, |
| 411 | MethodReferenceComparator>; |
| 412 | |
| 413 | vixl::Literal<uint64_t>* DeduplicateUint64Literal(uint64_t value); |
| 414 | vixl::Literal<uint64_t>* DeduplicateMethodLiteral(MethodReference target_method, |
| 415 | MethodToLiteralMap* map); |
| 416 | vixl::Literal<uint64_t>* DeduplicateMethodAddressLiteral(MethodReference target_method); |
| 417 | vixl::Literal<uint64_t>* DeduplicateMethodCodeLiteral(MethodReference target_method); |
| 418 | |
| 419 | struct PcRelativeDexCacheAccessInfo { |
| 420 | PcRelativeDexCacheAccessInfo(const DexFile& dex_file, uint32_t element_off) |
| 421 | : target_dex_file(dex_file), element_offset(element_off), label(), pc_insn_label() { } |
| 422 | |
| 423 | const DexFile& target_dex_file; |
| 424 | uint32_t element_offset; |
| 425 | // NOTE: Labels are bound to the end of the patched instruction because |
| 426 | // we don't know if there will be a veneer or how big it will be. |
| 427 | vixl::Label label; |
| 428 | vixl::Label* pc_insn_label; |
| 429 | }; |
| 430 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 431 | // Labels for each block that will be compiled. |
Vladimir Marko | 225b646 | 2015-09-28 12:17:40 +0100 | [diff] [blame] | 432 | vixl::Label* block_labels_; // Indexed by block id. |
Nicolas Geoffray | 1cf9528 | 2014-12-12 19:22:03 +0000 | [diff] [blame] | 433 | vixl::Label frame_entry_label_; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 434 | |
| 435 | LocationsBuilderARM64 location_builder_; |
| 436 | InstructionCodeGeneratorARM64 instruction_visitor_; |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 437 | ParallelMoveResolverARM64 move_resolver_; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 438 | Arm64Assembler assembler_; |
Serban Constantinescu | 579885a | 2015-02-22 20:51:33 +0000 | [diff] [blame] | 439 | const Arm64InstructionSetFeatures& isa_features_; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 440 | |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 441 | // Deduplication map for 64-bit literals, used for non-patchable method address and method code. |
| 442 | Uint64ToLiteralMap uint64_literals_; |
| 443 | // Method patch info, map MethodReference to a literal for method address and method code. |
| 444 | MethodToLiteralMap method_patches_; |
| 445 | MethodToLiteralMap call_patches_; |
| 446 | // Relative call patch info. |
| 447 | // Using ArenaDeque<> which retains element addresses on push/emplace_back(). |
| 448 | ArenaDeque<MethodPatchInfo<vixl::Label>> relative_call_patches_; |
| 449 | // PC-relative DexCache access info. |
Vladimir Marko | 0f7dca4 | 2015-11-02 14:36:43 +0000 | [diff] [blame] | 450 | ArenaDeque<PcRelativeDexCacheAccessInfo> pc_relative_dex_cache_patches_; |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 451 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 452 | DISALLOW_COPY_AND_ASSIGN(CodeGeneratorARM64); |
| 453 | }; |
| 454 | |
Alexandre Rames | 3e69f16 | 2014-12-10 10:36:50 +0000 | [diff] [blame] | 455 | inline Arm64Assembler* ParallelMoveResolverARM64::GetAssembler() const { |
| 456 | return codegen_->GetAssembler(); |
| 457 | } |
| 458 | |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 459 | } // namespace arm64 |
| 460 | } // namespace art |
| 461 | |
| 462 | #endif // ART_COMPILER_OPTIMIZING_CODE_GENERATOR_ARM64_H_ |