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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/code-generator.h" | 5 #include "src/compiler/code-generator.h" |
6 | 6 |
7 #include "src/arm64/macro-assembler-arm64.h" | 7 #include "src/arm64/macro-assembler-arm64.h" |
8 #include "src/compiler/code-generator-impl.h" | 8 #include "src/compiler/code-generator-impl.h" |
9 #include "src/compiler/gap-resolver.h" | 9 #include "src/compiler/gap-resolver.h" |
10 #include "src/compiler/node-matchers.h" | 10 #include "src/compiler/node-matchers.h" |
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124 __ asm_instr(i.OutputRegister##width(), i.InputRegister##width(0), imm); \ | 124 __ asm_instr(i.OutputRegister##width(), i.InputRegister##width(0), imm); \ |
125 } \ | 125 } \ |
126 } while (0); | 126 } while (0); |
127 | 127 |
128 | 128 |
129 // Assembles an instruction after register allocation, producing machine code. | 129 // Assembles an instruction after register allocation, producing machine code. |
130 void CodeGenerator::AssembleArchInstruction(Instruction* instr) { | 130 void CodeGenerator::AssembleArchInstruction(Instruction* instr) { |
131 Arm64OperandConverter i(this, instr); | 131 Arm64OperandConverter i(this, instr); |
132 InstructionCode opcode = instr->opcode(); | 132 InstructionCode opcode = instr->opcode(); |
133 switch (ArchOpcodeField::decode(opcode)) { | 133 switch (ArchOpcodeField::decode(opcode)) { |
134 case kArchCallAddress: { | |
135 DirectCEntryStub stub(isolate()); | |
136 stub.GenerateCall(masm(), i.InputRegister(0)); | |
137 break; | |
138 } | |
139 case kArchCallCodeObject: { | 134 case kArchCallCodeObject: { |
140 if (instr->InputAt(0)->IsImmediate()) { | 135 if (instr->InputAt(0)->IsImmediate()) { |
141 __ Call(Handle<Code>::cast(i.InputHeapObject(0)), | 136 __ Call(Handle<Code>::cast(i.InputHeapObject(0)), |
142 RelocInfo::CODE_TARGET); | 137 RelocInfo::CODE_TARGET); |
143 } else { | 138 } else { |
144 Register target = i.InputRegister(0); | 139 Register target = i.InputRegister(0); |
145 __ Add(target, target, Code::kHeaderSize - kHeapObjectTag); | 140 __ Add(target, target, Code::kHeaderSize - kHeapObjectTag); |
146 __ Call(target); | 141 __ Call(target); |
147 } | 142 } |
148 AddSafepointAndDeopt(instr); | 143 AddSafepointAndDeopt(instr); |
149 break; | 144 break; |
150 } | 145 } |
151 case kArchCallJSFunction: { | 146 case kArchCallJSFunction: { |
152 Register func = i.InputRegister(0); | 147 Register func = i.InputRegister(0); |
153 if (FLAG_debug_code) { | 148 if (FLAG_debug_code) { |
154 // Check the function's context matches the context argument. | 149 // Check the function's context matches the context argument. |
155 UseScratchRegisterScope scope(masm()); | 150 UseScratchRegisterScope scope(masm()); |
156 Register temp = scope.AcquireX(); | 151 Register temp = scope.AcquireX(); |
157 __ Ldr(temp, FieldMemOperand(func, JSFunction::kContextOffset)); | 152 __ Ldr(temp, FieldMemOperand(func, JSFunction::kContextOffset)); |
158 __ cmp(cp, temp); | 153 __ cmp(cp, temp); |
159 __ Assert(eq, kWrongFunctionContext); | 154 __ Assert(eq, kWrongFunctionContext); |
160 } | 155 } |
161 __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); | 156 __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
162 __ Call(x10); | 157 __ Call(x10); |
163 AddSafepointAndDeopt(instr); | 158 AddSafepointAndDeopt(instr); |
164 break; | 159 break; |
165 } | 160 } |
166 case kArchDrop: { | |
167 int words = MiscField::decode(instr->opcode()); | |
168 __ Drop(words); | |
169 break; | |
170 } | |
171 case kArchJmp: | 161 case kArchJmp: |
172 __ B(code_->GetLabel(i.InputBlock(0))); | 162 __ B(code_->GetLabel(i.InputBlock(0))); |
173 break; | 163 break; |
174 case kArchNop: | 164 case kArchNop: |
175 // don't emit code for nops. | 165 // don't emit code for nops. |
176 break; | 166 break; |
177 case kArchRet: | 167 case kArchRet: |
178 AssembleReturn(); | 168 AssembleReturn(); |
179 break; | 169 break; |
180 case kArchTruncateDoubleToI: | 170 case kArchTruncateDoubleToI: |
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852 } | 842 } |
853 | 843 |
854 | 844 |
855 void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); } | 845 void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); } |
856 | 846 |
857 #undef __ | 847 #undef __ |
858 | 848 |
859 } // namespace compiler | 849 } // namespace compiler |
860 } // namespace internal | 850 } // namespace internal |
861 } // namespace v8 | 851 } // namespace v8 |
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