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Side by Side Diff: src/compiler/arm64/code-generator-arm64.cc

Issue 530783002: Convert Linkage to use MachineSignature. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebase. Created 6 years, 3 months ago
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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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142 RelocInfo::CODE_TARGET); 142 RelocInfo::CODE_TARGET);
143 } else { 143 } else {
144 Register target = i.InputRegister(0); 144 Register target = i.InputRegister(0);
145 __ Add(target, target, Code::kHeaderSize - kHeapObjectTag); 145 __ Add(target, target, Code::kHeaderSize - kHeapObjectTag);
146 __ Call(target); 146 __ Call(target);
147 } 147 }
148 AddSafepointAndDeopt(instr); 148 AddSafepointAndDeopt(instr);
149 break; 149 break;
150 } 150 }
151 case kArchCallJSFunction: { 151 case kArchCallJSFunction: {
152 // TODO(jarin) The load of the context should be separated from the call.
153 Register func = i.InputRegister(0); 152 Register func = i.InputRegister(0);
154 __ Ldr(cp, FieldMemOperand(func, JSFunction::kContextOffset)); 153 if (FLAG_debug_code) {
154 // Check the function's context matches the context argument.
155 UseScratchRegisterScope scope(masm());
156 Register temp = scope.AcquireX();
157 __ Ldr(temp, FieldMemOperand(func, JSFunction::kContextOffset));
158 __ cmp(cp, temp);
159 __ Assert(eq, kWrongFunctionContext);
160 }
155 __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); 161 __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset));
156 __ Call(x10); 162 __ Call(x10);
157 AddSafepointAndDeopt(instr); 163 AddSafepointAndDeopt(instr);
158 break; 164 break;
159 } 165 }
160 case kArchDrop: { 166 case kArchDrop: {
161 int words = MiscField::decode(instr->opcode()); 167 int words = MiscField::decode(instr->opcode());
162 __ Drop(words); 168 __ Drop(words);
163 break; 169 break;
164 } 170 }
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694 // Restore registers. 700 // Restore registers.
695 // TODO(dcarney): correct callee saved registers. 701 // TODO(dcarney): correct callee saved registers.
696 __ PopCalleeSavedRegisters(); 702 __ PopCalleeSavedRegisters();
697 } 703 }
698 __ Mov(csp, fp); 704 __ Mov(csp, fp);
699 __ Pop(fp, lr); 705 __ Pop(fp, lr);
700 __ Ret(); 706 __ Ret();
701 } else { 707 } else {
702 __ Mov(jssp, fp); 708 __ Mov(jssp, fp);
703 __ Pop(fp, lr); 709 __ Pop(fp, lr);
704 int pop_count = 710 int pop_count = descriptor->IsJSFunctionCall()
705 descriptor->IsJSFunctionCall() ? descriptor->ParameterCount() : 0; 711 ? static_cast<int>(descriptor->JSParameterCount())
712 : 0;
706 __ Drop(pop_count); 713 __ Drop(pop_count);
707 __ Ret(); 714 __ Ret();
708 } 715 }
709 } 716 }
710 717
711 718
712 void CodeGenerator::AssembleMove(InstructionOperand* source, 719 void CodeGenerator::AssembleMove(InstructionOperand* source,
713 InstructionOperand* destination) { 720 InstructionOperand* destination) {
714 Arm64OperandConverter g(this, NULL); 721 Arm64OperandConverter g(this, NULL);
715 // Dispatch on the source and destination operand kinds. Not all 722 // Dispatch on the source and destination operand kinds. Not all
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839 } 846 }
840 847
841 848
842 void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); } 849 void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); }
843 850
844 #undef __ 851 #undef __
845 852
846 } // namespace compiler 853 } // namespace compiler
847 } // namespace internal 854 } // namespace internal
848 } // namespace v8 855 } // namespace v8
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