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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_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
6 | 6 |
7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
8 // | 8 // |
9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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1237 } else { | 1237 } else { |
1238 __ Push(info); | 1238 __ Push(info); |
1239 __ CallRuntime( | 1239 __ CallRuntime( |
1240 pretenure ? Runtime::kNewClosure_Tenured : Runtime::kNewClosure, 1); | 1240 pretenure ? Runtime::kNewClosure_Tenured : Runtime::kNewClosure, 1); |
1241 } | 1241 } |
1242 context()->Plug(v0); | 1242 context()->Plug(v0); |
1243 } | 1243 } |
1244 | 1244 |
1245 | 1245 |
1246 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset, | 1246 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset, |
1247 FeedbackVectorICSlot slot) { | 1247 FeedbackVectorSlot slot) { |
1248 DCHECK(NeedsHomeObject(initializer)); | 1248 DCHECK(NeedsHomeObject(initializer)); |
1249 __ lw(StoreDescriptor::ReceiverRegister(), MemOperand(sp)); | 1249 __ lw(StoreDescriptor::ReceiverRegister(), MemOperand(sp)); |
1250 __ li(StoreDescriptor::NameRegister(), | 1250 __ li(StoreDescriptor::NameRegister(), |
1251 Operand(isolate()->factory()->home_object_symbol())); | 1251 Operand(isolate()->factory()->home_object_symbol())); |
1252 __ lw(StoreDescriptor::ValueRegister(), | 1252 __ lw(StoreDescriptor::ValueRegister(), |
1253 MemOperand(sp, offset * kPointerSize)); | 1253 MemOperand(sp, offset * kPointerSize)); |
1254 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); | 1254 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); |
1255 CallStoreIC(); | 1255 CallStoreIC(); |
1256 } | 1256 } |
1257 | 1257 |
1258 | 1258 |
1259 void FullCodeGenerator::EmitSetHomeObjectAccumulator( | 1259 void FullCodeGenerator::EmitSetHomeObjectAccumulator(Expression* initializer, |
1260 Expression* initializer, int offset, FeedbackVectorICSlot slot) { | 1260 int offset, |
| 1261 FeedbackVectorSlot slot) { |
1261 DCHECK(NeedsHomeObject(initializer)); | 1262 DCHECK(NeedsHomeObject(initializer)); |
1262 __ Move(StoreDescriptor::ReceiverRegister(), v0); | 1263 __ Move(StoreDescriptor::ReceiverRegister(), v0); |
1263 __ li(StoreDescriptor::NameRegister(), | 1264 __ li(StoreDescriptor::NameRegister(), |
1264 Operand(isolate()->factory()->home_object_symbol())); | 1265 Operand(isolate()->factory()->home_object_symbol())); |
1265 __ lw(StoreDescriptor::ValueRegister(), | 1266 __ lw(StoreDescriptor::ValueRegister(), |
1266 MemOperand(sp, offset * kPointerSize)); | 1267 MemOperand(sp, offset * kPointerSize)); |
1267 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); | 1268 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); |
1268 CallStoreIC(); | 1269 CallStoreIC(); |
1269 } | 1270 } |
1270 | 1271 |
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2494 Handle<Code> code = | 2495 Handle<Code> code = |
2495 CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code(); | 2496 CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code(); |
2496 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. | 2497 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. |
2497 CallIC(code, expr->BinaryOperationFeedbackId()); | 2498 CallIC(code, expr->BinaryOperationFeedbackId()); |
2498 patch_site.EmitPatchInfo(); | 2499 patch_site.EmitPatchInfo(); |
2499 context()->Plug(v0); | 2500 context()->Plug(v0); |
2500 } | 2501 } |
2501 | 2502 |
2502 | 2503 |
2503 void FullCodeGenerator::EmitAssignment(Expression* expr, | 2504 void FullCodeGenerator::EmitAssignment(Expression* expr, |
2504 FeedbackVectorICSlot slot) { | 2505 FeedbackVectorSlot slot) { |
2505 DCHECK(expr->IsValidReferenceExpressionOrThis()); | 2506 DCHECK(expr->IsValidReferenceExpressionOrThis()); |
2506 | 2507 |
2507 Property* prop = expr->AsProperty(); | 2508 Property* prop = expr->AsProperty(); |
2508 LhsKind assign_type = Property::GetAssignType(prop); | 2509 LhsKind assign_type = Property::GetAssignType(prop); |
2509 | 2510 |
2510 switch (assign_type) { | 2511 switch (assign_type) { |
2511 case VARIABLE: { | 2512 case VARIABLE: { |
2512 Variable* var = expr->AsVariableProxy()->var(); | 2513 Variable* var = expr->AsVariableProxy()->var(); |
2513 EffectContext context(this); | 2514 EffectContext context(this); |
2514 EmitVariableAssignment(var, Token::ASSIGN, slot); | 2515 EmitVariableAssignment(var, Token::ASSIGN, slot); |
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2587 // RecordWrite may destroy all its register arguments. | 2588 // RecordWrite may destroy all its register arguments. |
2588 __ Move(a3, result_register()); | 2589 __ Move(a3, result_register()); |
2589 int offset = Context::SlotOffset(var->index()); | 2590 int offset = Context::SlotOffset(var->index()); |
2590 __ RecordWriteContextSlot( | 2591 __ RecordWriteContextSlot( |
2591 a1, offset, a3, a2, kRAHasBeenSaved, kDontSaveFPRegs); | 2592 a1, offset, a3, a2, kRAHasBeenSaved, kDontSaveFPRegs); |
2592 } | 2593 } |
2593 } | 2594 } |
2594 | 2595 |
2595 | 2596 |
2596 void FullCodeGenerator::EmitVariableAssignment(Variable* var, Token::Value op, | 2597 void FullCodeGenerator::EmitVariableAssignment(Variable* var, Token::Value op, |
2597 FeedbackVectorICSlot slot) { | 2598 FeedbackVectorSlot slot) { |
2598 if (var->IsUnallocated()) { | 2599 if (var->IsUnallocated()) { |
2599 // Global var, const, or let. | 2600 // Global var, const, or let. |
2600 __ mov(StoreDescriptor::ValueRegister(), result_register()); | 2601 __ mov(StoreDescriptor::ValueRegister(), result_register()); |
2601 __ li(StoreDescriptor::NameRegister(), Operand(var->name())); | 2602 __ li(StoreDescriptor::NameRegister(), Operand(var->name())); |
2602 __ lw(StoreDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 2603 __ lw(StoreDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
2603 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); | 2604 if (FLAG_vector_stores) EmitLoadStoreICSlot(slot); |
2604 CallStoreIC(); | 2605 CallStoreIC(); |
2605 | 2606 |
2606 } else if (var->IsGlobalSlot()) { | 2607 } else if (var->IsGlobalSlot()) { |
2607 // Global var, const, or let. | 2608 // Global var, const, or let. |
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5149 void FullCodeGenerator::ClearPendingMessage() { | 5150 void FullCodeGenerator::ClearPendingMessage() { |
5150 DCHECK(!result_register().is(a1)); | 5151 DCHECK(!result_register().is(a1)); |
5151 ExternalReference pending_message_obj = | 5152 ExternalReference pending_message_obj = |
5152 ExternalReference::address_of_pending_message_obj(isolate()); | 5153 ExternalReference::address_of_pending_message_obj(isolate()); |
5153 __ LoadRoot(a1, Heap::kTheHoleValueRootIndex); | 5154 __ LoadRoot(a1, Heap::kTheHoleValueRootIndex); |
5154 __ li(at, Operand(pending_message_obj)); | 5155 __ li(at, Operand(pending_message_obj)); |
5155 __ sw(a1, MemOperand(at)); | 5156 __ sw(a1, MemOperand(at)); |
5156 } | 5157 } |
5157 | 5158 |
5158 | 5159 |
5159 void FullCodeGenerator::EmitLoadStoreICSlot(FeedbackVectorICSlot slot) { | 5160 void FullCodeGenerator::EmitLoadStoreICSlot(FeedbackVectorSlot slot) { |
5160 DCHECK(FLAG_vector_stores && !slot.IsInvalid()); | 5161 DCHECK(FLAG_vector_stores && !slot.IsInvalid()); |
5161 __ li(VectorStoreICTrampolineDescriptor::SlotRegister(), | 5162 __ li(VectorStoreICTrampolineDescriptor::SlotRegister(), |
5162 Operand(SmiFromSlot(slot))); | 5163 Operand(SmiFromSlot(slot))); |
5163 } | 5164 } |
5164 | 5165 |
5165 | 5166 |
5166 #undef __ | 5167 #undef __ |
5167 | 5168 |
5168 | 5169 |
5169 void BackEdgeTable::PatchAt(Code* unoptimized_code, | 5170 void BackEdgeTable::PatchAt(Code* unoptimized_code, |
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5239 reinterpret_cast<uint32_t>( | 5240 reinterpret_cast<uint32_t>( |
5240 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5241 isolate->builtins()->OsrAfterStackCheck()->entry())); |
5241 return OSR_AFTER_STACK_CHECK; | 5242 return OSR_AFTER_STACK_CHECK; |
5242 } | 5243 } |
5243 | 5244 |
5244 | 5245 |
5245 } // namespace internal | 5246 } // namespace internal |
5246 } // namespace v8 | 5247 } // namespace v8 |
5247 | 5248 |
5248 #endif // V8_TARGET_ARCH_MIPS | 5249 #endif // V8_TARGET_ARCH_MIPS |
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