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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/compiler.h" | 10 #include "src/compiler.h" |
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1161 } else { | 1161 } else { |
1162 __ push(Immediate(info)); | 1162 __ push(Immediate(info)); |
1163 __ CallRuntime( | 1163 __ CallRuntime( |
1164 pretenure ? Runtime::kNewClosure_Tenured : Runtime::kNewClosure, 1); | 1164 pretenure ? Runtime::kNewClosure_Tenured : Runtime::kNewClosure, 1); |
1165 } | 1165 } |
1166 context()->Plug(eax); | 1166 context()->Plug(eax); |
1167 } | 1167 } |
1168 | 1168 |
1169 | 1169 |
1170 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset, | 1170 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset, |
1171 FeedbackVectorICSlot slot) { | 1171 FeedbackVectorSlot slot) { |
1172 DCHECK(NeedsHomeObject(initializer)); | 1172 DCHECK(NeedsHomeObject(initializer)); |
1173 __ mov(StoreDescriptor::ReceiverRegister(), Operand(esp, 0)); | 1173 __ mov(StoreDescriptor::ReceiverRegister(), Operand(esp, 0)); |
1174 __ mov(StoreDescriptor::NameRegister(), | 1174 __ mov(StoreDescriptor::NameRegister(), |
1175 Immediate(isolate()->factory()->home_object_symbol())); | 1175 Immediate(isolate()->factory()->home_object_symbol())); |
1176 __ mov(StoreDescriptor::ValueRegister(), Operand(esp, offset * kPointerSize)); | 1176 __ mov(StoreDescriptor::ValueRegister(), Operand(esp, offset * kPointerSize)); |
1177 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); | 1177 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); |
1178 CallStoreIC(); | 1178 CallStoreIC(); |
1179 } | 1179 } |
1180 | 1180 |
1181 | 1181 |
1182 void FullCodeGenerator::EmitSetHomeObjectAccumulator( | 1182 void FullCodeGenerator::EmitSetHomeObjectAccumulator(Expression* initializer, |
1183 Expression* initializer, int offset, FeedbackVectorICSlot slot) { | 1183 int offset, |
| 1184 FeedbackVectorSlot slot) { |
1184 DCHECK(NeedsHomeObject(initializer)); | 1185 DCHECK(NeedsHomeObject(initializer)); |
1185 __ mov(StoreDescriptor::ReceiverRegister(), eax); | 1186 __ mov(StoreDescriptor::ReceiverRegister(), eax); |
1186 __ mov(StoreDescriptor::NameRegister(), | 1187 __ mov(StoreDescriptor::NameRegister(), |
1187 Immediate(isolate()->factory()->home_object_symbol())); | 1188 Immediate(isolate()->factory()->home_object_symbol())); |
1188 __ mov(StoreDescriptor::ValueRegister(), Operand(esp, offset * kPointerSize)); | 1189 __ mov(StoreDescriptor::ValueRegister(), Operand(esp, offset * kPointerSize)); |
1189 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); | 1190 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); |
1190 CallStoreIC(); | 1191 CallStoreIC(); |
1191 } | 1192 } |
1192 | 1193 |
1193 | 1194 |
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2401 Handle<Code> code = | 2402 Handle<Code> code = |
2402 CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code(); | 2403 CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code(); |
2403 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. | 2404 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. |
2404 CallIC(code, expr->BinaryOperationFeedbackId()); | 2405 CallIC(code, expr->BinaryOperationFeedbackId()); |
2405 patch_site.EmitPatchInfo(); | 2406 patch_site.EmitPatchInfo(); |
2406 context()->Plug(eax); | 2407 context()->Plug(eax); |
2407 } | 2408 } |
2408 | 2409 |
2409 | 2410 |
2410 void FullCodeGenerator::EmitAssignment(Expression* expr, | 2411 void FullCodeGenerator::EmitAssignment(Expression* expr, |
2411 FeedbackVectorICSlot slot) { | 2412 FeedbackVectorSlot slot) { |
2412 DCHECK(expr->IsValidReferenceExpressionOrThis()); | 2413 DCHECK(expr->IsValidReferenceExpressionOrThis()); |
2413 | 2414 |
2414 Property* prop = expr->AsProperty(); | 2415 Property* prop = expr->AsProperty(); |
2415 LhsKind assign_type = Property::GetAssignType(prop); | 2416 LhsKind assign_type = Property::GetAssignType(prop); |
2416 | 2417 |
2417 switch (assign_type) { | 2418 switch (assign_type) { |
2418 case VARIABLE: { | 2419 case VARIABLE: { |
2419 Variable* var = expr->AsVariableProxy()->var(); | 2420 Variable* var = expr->AsVariableProxy()->var(); |
2420 EffectContext context(this); | 2421 EffectContext context(this); |
2421 EmitVariableAssignment(var, Token::ASSIGN, slot); | 2422 EmitVariableAssignment(var, Token::ASSIGN, slot); |
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2492 __ mov(location, eax); | 2493 __ mov(location, eax); |
2493 if (var->IsContextSlot()) { | 2494 if (var->IsContextSlot()) { |
2494 __ mov(edx, eax); | 2495 __ mov(edx, eax); |
2495 int offset = Context::SlotOffset(var->index()); | 2496 int offset = Context::SlotOffset(var->index()); |
2496 __ RecordWriteContextSlot(ecx, offset, edx, ebx, kDontSaveFPRegs); | 2497 __ RecordWriteContextSlot(ecx, offset, edx, ebx, kDontSaveFPRegs); |
2497 } | 2498 } |
2498 } | 2499 } |
2499 | 2500 |
2500 | 2501 |
2501 void FullCodeGenerator::EmitVariableAssignment(Variable* var, Token::Value op, | 2502 void FullCodeGenerator::EmitVariableAssignment(Variable* var, Token::Value op, |
2502 FeedbackVectorICSlot slot) { | 2503 FeedbackVectorSlot slot) { |
2503 if (var->IsUnallocated()) { | 2504 if (var->IsUnallocated()) { |
2504 // Global var, const, or let. | 2505 // Global var, const, or let. |
2505 __ mov(StoreDescriptor::NameRegister(), var->name()); | 2506 __ mov(StoreDescriptor::NameRegister(), var->name()); |
2506 __ mov(StoreDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 2507 __ mov(StoreDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
2507 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); | 2508 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); |
2508 CallStoreIC(); | 2509 CallStoreIC(); |
2509 | 2510 |
2510 } else if (var->IsGlobalSlot()) { | 2511 } else if (var->IsGlobalSlot()) { |
2511 // Global var, const, or let. | 2512 // Global var, const, or let. |
2512 DCHECK(var->index() > 0); | 2513 DCHECK(var->index() > 0); |
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5042 | 5043 |
5043 void FullCodeGenerator::ClearPendingMessage() { | 5044 void FullCodeGenerator::ClearPendingMessage() { |
5044 DCHECK(!result_register().is(edx)); | 5045 DCHECK(!result_register().is(edx)); |
5045 ExternalReference pending_message_obj = | 5046 ExternalReference pending_message_obj = |
5046 ExternalReference::address_of_pending_message_obj(isolate()); | 5047 ExternalReference::address_of_pending_message_obj(isolate()); |
5047 __ mov(edx, Immediate(isolate()->factory()->the_hole_value())); | 5048 __ mov(edx, Immediate(isolate()->factory()->the_hole_value())); |
5048 __ mov(Operand::StaticVariable(pending_message_obj), edx); | 5049 __ mov(Operand::StaticVariable(pending_message_obj), edx); |
5049 } | 5050 } |
5050 | 5051 |
5051 | 5052 |
5052 void FullCodeGenerator::EmitLoadStoreICSlot(FeedbackVectorICSlot slot) { | 5053 void FullCodeGenerator::EmitLoadStoreICSlot(FeedbackVectorSlot slot) { |
5053 DCHECK(FLAG_vector_stores && !slot.IsInvalid()); | 5054 DCHECK(FLAG_vector_stores && !slot.IsInvalid()); |
5054 __ mov(VectorStoreICTrampolineDescriptor::SlotRegister(), | 5055 __ mov(VectorStoreICTrampolineDescriptor::SlotRegister(), |
5055 Immediate(SmiFromSlot(slot))); | 5056 Immediate(SmiFromSlot(slot))); |
5056 } | 5057 } |
5057 | 5058 |
5058 | 5059 |
5059 #undef __ | 5060 #undef __ |
5060 | 5061 |
5061 | 5062 |
5062 static const byte kJnsInstruction = 0x79; | 5063 static const byte kJnsInstruction = 0x79; |
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5133 Assembler::target_address_at(call_target_address, | 5134 Assembler::target_address_at(call_target_address, |
5134 unoptimized_code)); | 5135 unoptimized_code)); |
5135 return OSR_AFTER_STACK_CHECK; | 5136 return OSR_AFTER_STACK_CHECK; |
5136 } | 5137 } |
5137 | 5138 |
5138 | 5139 |
5139 } // namespace internal | 5140 } // namespace internal |
5140 } // namespace v8 | 5141 } // namespace v8 |
5141 | 5142 |
5142 #endif // V8_TARGET_ARCH_X87 | 5143 #endif // V8_TARGET_ARCH_X87 |
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