Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/code-stub-assembler.h" |
| 6 | |
| 7 | #include <ostream> |
| 8 | |
| 9 | #include "src/code-factory.h" |
| 10 | #include "src/compiler/graph.h" |
| 11 | #include "src/compiler/instruction-selector.h" |
| 12 | #include "src/compiler/linkage.h" |
| 13 | #include "src/compiler/pipeline.h" |
| 14 | #include "src/compiler/raw-machine-assembler.h" |
| 15 | #include "src/compiler/schedule.h" |
| 16 | #include "src/frames.h" |
| 17 | #include "src/interface-descriptors.h" |
| 18 | #include "src/interpreter/bytecodes.h" |
| 19 | #include "src/machine-type.h" |
| 20 | #include "src/macro-assembler.h" |
| 21 | #include "src/zone.h" |
| 22 | |
| 23 | namespace v8 { |
| 24 | namespace internal { |
| 25 | namespace compiler { |
| 26 | |
| 27 | |
| 28 | CodeStubAssembler::CodeStubAssembler(Isolate* isolate, Zone* zone, |
| 29 | const CallInterfaceDescriptor& descriptor, |
| 30 | Code::Kind kind, const char* name) |
| 31 | : raw_assembler_(new RawMachineAssembler( |
| 32 | isolate, new (zone) Graph(zone), |
| 33 | Linkage::GetStubCallDescriptor(isolate, zone, descriptor, 0, |
| 34 | CallDescriptor::kNoFlags))), |
| 35 | kind_(kind), |
| 36 | name_(name), |
| 37 | code_generated_(false) {} |
| 38 | |
| 39 | |
| 40 | CodeStubAssembler::~CodeStubAssembler() {} |
| 41 | |
| 42 | |
| 43 | Handle<Code> CodeStubAssembler::GenerateCode() { |
| 44 | DCHECK(!code_generated_); |
| 45 | |
| 46 | Schedule* schedule = raw_assembler_->Export(); |
| 47 | Handle<Code> code = Pipeline::GenerateCodeForCodeStub( |
| 48 | isolate(), raw_assembler_->call_descriptor(), graph(), schedule, kind_, |
| 49 | name_); |
| 50 | |
| 51 | code_generated_ = true; |
| 52 | return code; |
| 53 | } |
| 54 | |
| 55 | |
| 56 | Node* CodeStubAssembler::Int32Constant(int value) { |
| 57 | return raw_assembler_->Int32Constant(value); |
| 58 | } |
| 59 | |
| 60 | |
| 61 | Node* CodeStubAssembler::IntPtrConstant(intptr_t value) { |
| 62 | return raw_assembler_->IntPtrConstant(value); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | Node* CodeStubAssembler::NumberConstant(double value) { |
| 67 | return raw_assembler_->NumberConstant(value); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | Node* CodeStubAssembler::HeapConstant(Handle<HeapObject> object) { |
| 72 | return raw_assembler_->HeapConstant(object); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | Node* CodeStubAssembler::BooleanConstant(bool value) { |
| 77 | return raw_assembler_->BooleanConstant(value); |
| 78 | } |
| 79 | |
| 80 | |
| 81 | Node* CodeStubAssembler::Parameter(int value) { |
| 82 | return raw_assembler_->Parameter(value); |
| 83 | } |
| 84 | |
| 85 | |
| 86 | void CodeStubAssembler::Return(Node* value) { |
| 87 | return raw_assembler_->Return(value); |
| 88 | } |
| 89 | |
| 90 | |
| 91 | Node* CodeStubAssembler::SmiShiftBitsConstant() { |
| 92 | return Int32Constant(kSmiShiftSize + kSmiTagSize); |
| 93 | } |
| 94 | |
| 95 | |
| 96 | Node* CodeStubAssembler::SmiTag(Node* value) { |
| 97 | return raw_assembler_->WordShl(value, SmiShiftBitsConstant()); |
| 98 | } |
| 99 | |
| 100 | |
| 101 | Node* CodeStubAssembler::SmiUntag(Node* value) { |
| 102 | return raw_assembler_->WordSar(value, SmiShiftBitsConstant()); |
| 103 | } |
| 104 | |
| 105 | |
| 106 | Node* CodeStubAssembler::IntPtrAdd(Node* a, Node* b) { |
| 107 | return raw_assembler_->IntPtrAdd(a, b); |
| 108 | } |
| 109 | |
| 110 | |
| 111 | Node* CodeStubAssembler::IntPtrSub(Node* a, Node* b) { |
| 112 | return raw_assembler_->IntPtrSub(a, b); |
| 113 | } |
| 114 | |
| 115 | |
| 116 | Node* CodeStubAssembler::WordShl(Node* value, int shift) { |
| 117 | return raw_assembler_->WordShl(value, Int32Constant(shift)); |
| 118 | } |
| 119 | |
| 120 | |
| 121 | Node* CodeStubAssembler::LoadObjectField(Node* object, int offset) { |
| 122 | return raw_assembler_->Load(MachineType::AnyTagged(), object, |
| 123 | IntPtrConstant(offset - kHeapObjectTag)); |
| 124 | } |
| 125 | |
| 126 | |
| 127 | Node* CodeStubAssembler::CallN(CallDescriptor* descriptor, Node* code_target, |
| 128 | Node** args) { |
| 129 | return raw_assembler_->CallN(descriptor, code_target, args); |
| 130 | } |
| 131 | |
| 132 | |
| 133 | Node* CodeStubAssembler::TailCallN(CallDescriptor* descriptor, |
| 134 | Node* code_target, Node** args) { |
| 135 | return raw_assembler_->TailCallN(descriptor, code_target, args); |
| 136 | } |
| 137 | |
| 138 | |
| 139 | Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
| 140 | Node* context, Node* arg1) { |
| 141 | return raw_assembler_->CallRuntime1(function_id, arg1, context); |
| 142 | } |
| 143 | |
| 144 | |
| 145 | Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
| 146 | Node* context, Node* arg1, Node* arg2) { |
| 147 | return raw_assembler_->CallRuntime2(function_id, arg1, arg2, context); |
| 148 | } |
| 149 | |
| 150 | |
| 151 | Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, |
| 152 | Node* context, Node* arg1) { |
| 153 | return raw_assembler_->TailCallRuntime1(function_id, arg1, context); |
| 154 | } |
| 155 | |
| 156 | |
| 157 | Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, |
| 158 | Node* context, Node* arg1, |
| 159 | Node* arg2) { |
| 160 | return raw_assembler_->TailCallRuntime2(function_id, arg1, arg2, context); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | // RawMachineAssembler delegate helpers: |
| 165 | Isolate* CodeStubAssembler::isolate() { return raw_assembler_->isolate(); } |
| 166 | |
| 167 | |
| 168 | Graph* CodeStubAssembler::graph() { return raw_assembler_->graph(); } |
| 169 | |
| 170 | |
| 171 | Zone* CodeStubAssembler::zone() { return raw_assembler_->zone(); } |
| 172 | |
| 173 | |
| 174 | } // namespace compiler |
| 175 | } // namespace internal |
| 176 | } // namespace v8 |