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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 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_X87 | 7 #if V8_TARGET_ARCH_X87 |
| 8 | 8 |
| 9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
| 10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
| (...skipping 1235 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1246 | 1246 |
| 1247 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { | 1247 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { |
| 1248 Comment cnmt(masm_, "[ SuperReference "); | 1248 Comment cnmt(masm_, "[ SuperReference "); |
| 1249 | 1249 |
| 1250 __ mov(LoadDescriptor::ReceiverRegister(), | 1250 __ mov(LoadDescriptor::ReceiverRegister(), |
| 1251 Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1251 Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1252 | 1252 |
| 1253 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); | 1253 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); |
| 1254 __ mov(LoadDescriptor::NameRegister(), home_object_symbol); | 1254 __ mov(LoadDescriptor::NameRegister(), home_object_symbol); |
| 1255 | 1255 |
| 1256 __ mov(VectorLoadICDescriptor::SlotRegister(), | 1256 __ mov(LoadDescriptor::SlotRegister(), |
| 1257 Immediate(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); | 1257 Immediate(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); |
| 1258 CallLoadIC(NOT_CONTEXTUAL); | 1258 CallLoadIC(NOT_CONTEXTUAL); |
| 1259 | 1259 |
| 1260 __ cmp(eax, isolate()->factory()->undefined_value()); | 1260 __ cmp(eax, isolate()->factory()->undefined_value()); |
| 1261 Label done; | 1261 Label done; |
| 1262 __ j(not_equal, &done); | 1262 __ j(not_equal, &done); |
| 1263 __ CallRuntime(Runtime::kThrowNonMethodError, 0); | 1263 __ CallRuntime(Runtime::kThrowNonMethodError, 0); |
| 1264 __ bind(&done); | 1264 __ bind(&done); |
| 1265 } | 1265 } |
| 1266 | 1266 |
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| 1323 // Load next context in chain. | 1323 // Load next context in chain. |
| 1324 __ mov(temp, ContextOperand(temp, Context::PREVIOUS_INDEX)); | 1324 __ mov(temp, ContextOperand(temp, Context::PREVIOUS_INDEX)); |
| 1325 __ jmp(&next); | 1325 __ jmp(&next); |
| 1326 __ bind(&fast); | 1326 __ bind(&fast); |
| 1327 } | 1327 } |
| 1328 | 1328 |
| 1329 // All extension objects were empty and it is safe to use a global | 1329 // All extension objects were empty and it is safe to use a global |
| 1330 // load IC call. | 1330 // load IC call. |
| 1331 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 1331 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
| 1332 __ mov(LoadDescriptor::NameRegister(), proxy->var()->name()); | 1332 __ mov(LoadDescriptor::NameRegister(), proxy->var()->name()); |
| 1333 __ mov(VectorLoadICDescriptor::SlotRegister(), | 1333 __ mov(LoadDescriptor::SlotRegister(), |
| 1334 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); | 1334 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); |
| 1335 | 1335 |
| 1336 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) | 1336 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) |
| 1337 ? NOT_CONTEXTUAL | 1337 ? NOT_CONTEXTUAL |
| 1338 : CONTEXTUAL; | 1338 : CONTEXTUAL; |
| 1339 | 1339 |
| 1340 CallLoadIC(mode); | 1340 CallLoadIC(mode); |
| 1341 } | 1341 } |
| 1342 | 1342 |
| 1343 | 1343 |
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| 1409 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); | 1409 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); |
| 1410 Variable* var = proxy->var(); | 1410 Variable* var = proxy->var(); |
| 1411 | 1411 |
| 1412 // Three cases: global variables, lookup variables, and all other types of | 1412 // Three cases: global variables, lookup variables, and all other types of |
| 1413 // variables. | 1413 // variables. |
| 1414 switch (var->location()) { | 1414 switch (var->location()) { |
| 1415 case Variable::UNALLOCATED: { | 1415 case Variable::UNALLOCATED: { |
| 1416 Comment cmnt(masm_, "[ Global variable"); | 1416 Comment cmnt(masm_, "[ Global variable"); |
| 1417 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 1417 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
| 1418 __ mov(LoadDescriptor::NameRegister(), var->name()); | 1418 __ mov(LoadDescriptor::NameRegister(), var->name()); |
| 1419 __ mov(VectorLoadICDescriptor::SlotRegister(), | 1419 __ mov(LoadDescriptor::SlotRegister(), |
| 1420 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); | 1420 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); |
| 1421 CallGlobalLoadIC(var->name()); | 1421 CallGlobalLoadIC(var->name()); |
| 1422 context()->Plug(eax); | 1422 context()->Plug(eax); |
| 1423 break; | 1423 break; |
| 1424 } | 1424 } |
| 1425 | 1425 |
| 1426 case Variable::PARAMETER: | 1426 case Variable::PARAMETER: |
| 1427 case Variable::LOCAL: | 1427 case Variable::LOCAL: |
| 1428 case Variable::CONTEXT: { | 1428 case Variable::CONTEXT: { |
| 1429 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" | 1429 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" |
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| 2102 __ bind(&l_next); | 2102 __ bind(&l_next); |
| 2103 | 2103 |
| 2104 __ mov(load_name, isolate()->factory()->next_string()); | 2104 __ mov(load_name, isolate()->factory()->next_string()); |
| 2105 __ push(load_name); // "next" | 2105 __ push(load_name); // "next" |
| 2106 __ push(Operand(esp, 2 * kPointerSize)); // iter | 2106 __ push(Operand(esp, 2 * kPointerSize)); // iter |
| 2107 __ push(eax); // received | 2107 __ push(eax); // received |
| 2108 | 2108 |
| 2109 // result = receiver[f](arg); | 2109 // result = receiver[f](arg); |
| 2110 __ bind(&l_call); | 2110 __ bind(&l_call); |
| 2111 __ mov(load_receiver, Operand(esp, kPointerSize)); | 2111 __ mov(load_receiver, Operand(esp, kPointerSize)); |
| 2112 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2112 __ mov(LoadDescriptor::SlotRegister(), |
| 2113 Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot()))); | 2113 Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot()))); |
| 2114 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); | 2114 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); |
| 2115 CallIC(ic, TypeFeedbackId::None()); | 2115 CallIC(ic, TypeFeedbackId::None()); |
| 2116 __ mov(edi, eax); | 2116 __ mov(edi, eax); |
| 2117 __ mov(Operand(esp, 2 * kPointerSize), edi); | 2117 __ mov(Operand(esp, 2 * kPointerSize), edi); |
| 2118 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); | 2118 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); |
| 2119 __ CallStub(&stub); | 2119 __ CallStub(&stub); |
| 2120 | 2120 |
| 2121 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 2121 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 2122 __ Drop(1); // The function is still on the stack; drop it. | 2122 __ Drop(1); // The function is still on the stack; drop it. |
| 2123 | 2123 |
| 2124 // if (!result.done) goto l_try; | 2124 // if (!result.done) goto l_try; |
| 2125 __ bind(&l_loop); | 2125 __ bind(&l_loop); |
| 2126 __ push(eax); // save result | 2126 __ push(eax); // save result |
| 2127 __ Move(load_receiver, eax); // result | 2127 __ Move(load_receiver, eax); // result |
| 2128 __ mov(load_name, | 2128 __ mov(load_name, |
| 2129 isolate()->factory()->done_string()); // "done" | 2129 isolate()->factory()->done_string()); // "done" |
| 2130 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2130 __ mov(LoadDescriptor::SlotRegister(), |
| 2131 Immediate(SmiFromSlot(expr->DoneFeedbackSlot()))); | 2131 Immediate(SmiFromSlot(expr->DoneFeedbackSlot()))); |
| 2132 CallLoadIC(NOT_CONTEXTUAL); // result.done in eax | 2132 CallLoadIC(NOT_CONTEXTUAL); // result.done in eax |
| 2133 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); | 2133 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); |
| 2134 CallIC(bool_ic); | 2134 CallIC(bool_ic); |
| 2135 __ test(eax, eax); | 2135 __ test(eax, eax); |
| 2136 __ j(zero, &l_try); | 2136 __ j(zero, &l_try); |
| 2137 | 2137 |
| 2138 // result.value | 2138 // result.value |
| 2139 __ pop(load_receiver); // result | 2139 __ pop(load_receiver); // result |
| 2140 __ mov(load_name, | 2140 __ mov(load_name, |
| 2141 isolate()->factory()->value_string()); // "value" | 2141 isolate()->factory()->value_string()); // "value" |
| 2142 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2142 __ mov(LoadDescriptor::SlotRegister(), |
| 2143 Immediate(SmiFromSlot(expr->ValueFeedbackSlot()))); | 2143 Immediate(SmiFromSlot(expr->ValueFeedbackSlot()))); |
| 2144 CallLoadIC(NOT_CONTEXTUAL); // result.value in eax | 2144 CallLoadIC(NOT_CONTEXTUAL); // result.value in eax |
| 2145 context()->DropAndPlug(2, eax); // drop iter and g | 2145 context()->DropAndPlug(2, eax); // drop iter and g |
| 2146 break; | 2146 break; |
| 2147 } | 2147 } |
| 2148 } | 2148 } |
| 2149 } | 2149 } |
| 2150 | 2150 |
| 2151 | 2151 |
| 2152 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, | 2152 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, |
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| 2271 } | 2271 } |
| 2272 | 2272 |
| 2273 | 2273 |
| 2274 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { | 2274 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { |
| 2275 SetSourcePosition(prop->position()); | 2275 SetSourcePosition(prop->position()); |
| 2276 Literal* key = prop->key()->AsLiteral(); | 2276 Literal* key = prop->key()->AsLiteral(); |
| 2277 DCHECK(!key->value()->IsSmi()); | 2277 DCHECK(!key->value()->IsSmi()); |
| 2278 DCHECK(!prop->IsSuperAccess()); | 2278 DCHECK(!prop->IsSuperAccess()); |
| 2279 | 2279 |
| 2280 __ mov(LoadDescriptor::NameRegister(), Immediate(key->value())); | 2280 __ mov(LoadDescriptor::NameRegister(), Immediate(key->value())); |
| 2281 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2281 __ mov(LoadDescriptor::SlotRegister(), |
| 2282 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); | 2282 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); |
| 2283 CallLoadIC(NOT_CONTEXTUAL); | 2283 CallLoadIC(NOT_CONTEXTUAL); |
| 2284 } | 2284 } |
| 2285 | 2285 |
| 2286 | 2286 |
| 2287 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { | 2287 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { |
| 2288 // Stack: receiver, home_object. | 2288 // Stack: receiver, home_object. |
| 2289 SetSourcePosition(prop->position()); | 2289 SetSourcePosition(prop->position()); |
| 2290 Literal* key = prop->key()->AsLiteral(); | 2290 Literal* key = prop->key()->AsLiteral(); |
| 2291 DCHECK(!key->value()->IsSmi()); | 2291 DCHECK(!key->value()->IsSmi()); |
| 2292 DCHECK(prop->IsSuperAccess()); | 2292 DCHECK(prop->IsSuperAccess()); |
| 2293 | 2293 |
| 2294 __ push(Immediate(key->value())); | 2294 __ push(Immediate(key->value())); |
| 2295 __ CallRuntime(Runtime::kLoadFromSuper, 3); | 2295 __ CallRuntime(Runtime::kLoadFromSuper, 3); |
| 2296 } | 2296 } |
| 2297 | 2297 |
| 2298 | 2298 |
| 2299 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { | 2299 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { |
| 2300 SetSourcePosition(prop->position()); | 2300 SetSourcePosition(prop->position()); |
| 2301 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); | 2301 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); |
| 2302 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2302 __ mov(LoadDescriptor::SlotRegister(), |
| 2303 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); | 2303 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); |
| 2304 CallIC(ic); | 2304 CallIC(ic); |
| 2305 } | 2305 } |
| 2306 | 2306 |
| 2307 | 2307 |
| 2308 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { | 2308 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { |
| 2309 // Stack: receiver, home_object, key. | 2309 // Stack: receiver, home_object, key. |
| 2310 SetSourcePosition(prop->position()); | 2310 SetSourcePosition(prop->position()); |
| 2311 | 2311 |
| 2312 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); | 2312 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); |
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| 4517 | 4517 |
| 4518 | 4518 |
| 4519 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { | 4519 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { |
| 4520 // Push the builtins object as receiver. | 4520 // Push the builtins object as receiver. |
| 4521 __ mov(eax, GlobalObjectOperand()); | 4521 __ mov(eax, GlobalObjectOperand()); |
| 4522 __ push(FieldOperand(eax, GlobalObject::kBuiltinsOffset)); | 4522 __ push(FieldOperand(eax, GlobalObject::kBuiltinsOffset)); |
| 4523 | 4523 |
| 4524 // Load the function from the receiver. | 4524 // Load the function from the receiver. |
| 4525 __ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0)); | 4525 __ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0)); |
| 4526 __ mov(LoadDescriptor::NameRegister(), Immediate(expr->name())); | 4526 __ mov(LoadDescriptor::NameRegister(), Immediate(expr->name())); |
| 4527 __ mov(VectorLoadICDescriptor::SlotRegister(), | 4527 __ mov(LoadDescriptor::SlotRegister(), |
| 4528 Immediate(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); | 4528 Immediate(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); |
| 4529 CallLoadIC(NOT_CONTEXTUAL); | 4529 CallLoadIC(NOT_CONTEXTUAL); |
| 4530 } | 4530 } |
| 4531 | 4531 |
| 4532 | 4532 |
| 4533 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { | 4533 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { |
| 4534 ZoneList<Expression*>* args = expr->arguments(); | 4534 ZoneList<Expression*>* args = expr->arguments(); |
| 4535 int arg_count = args->length(); | 4535 int arg_count = args->length(); |
| 4536 | 4536 |
| 4537 // Record source position of the IC call. | 4537 // Record source position of the IC call. |
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| 4958 | 4958 |
| 4959 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { | 4959 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { |
| 4960 VariableProxy* proxy = expr->AsVariableProxy(); | 4960 VariableProxy* proxy = expr->AsVariableProxy(); |
| 4961 DCHECK(!context()->IsEffect()); | 4961 DCHECK(!context()->IsEffect()); |
| 4962 DCHECK(!context()->IsTest()); | 4962 DCHECK(!context()->IsTest()); |
| 4963 | 4963 |
| 4964 if (proxy != NULL && proxy->var()->IsUnallocated()) { | 4964 if (proxy != NULL && proxy->var()->IsUnallocated()) { |
| 4965 Comment cmnt(masm_, "[ Global variable"); | 4965 Comment cmnt(masm_, "[ Global variable"); |
| 4966 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 4966 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
| 4967 __ mov(LoadDescriptor::NameRegister(), Immediate(proxy->name())); | 4967 __ mov(LoadDescriptor::NameRegister(), Immediate(proxy->name())); |
| 4968 __ mov(VectorLoadICDescriptor::SlotRegister(), | 4968 __ mov(LoadDescriptor::SlotRegister(), |
| 4969 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); | 4969 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); |
| 4970 // Use a regular load, not a contextual load, to avoid a reference | 4970 // Use a regular load, not a contextual load, to avoid a reference |
| 4971 // error. | 4971 // error. |
| 4972 CallLoadIC(NOT_CONTEXTUAL); | 4972 CallLoadIC(NOT_CONTEXTUAL); |
| 4973 PrepareForBailout(expr, TOS_REG); | 4973 PrepareForBailout(expr, TOS_REG); |
| 4974 context()->Plug(eax); | 4974 context()->Plug(eax); |
| 4975 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { | 4975 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { |
| 4976 Comment cmnt(masm_, "[ Lookup slot"); | 4976 Comment cmnt(masm_, "[ Lookup slot"); |
| 4977 Label done, slow; | 4977 Label done, slow; |
| 4978 | 4978 |
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| 5339 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 5339 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
| 5340 Assembler::target_address_at(call_target_address, | 5340 Assembler::target_address_at(call_target_address, |
| 5341 unoptimized_code)); | 5341 unoptimized_code)); |
| 5342 return OSR_AFTER_STACK_CHECK; | 5342 return OSR_AFTER_STACK_CHECK; |
| 5343 } | 5343 } |
| 5344 | 5344 |
| 5345 | 5345 |
| 5346 } } // namespace v8::internal | 5346 } } // namespace v8::internal |
| 5347 | 5347 |
| 5348 #endif // V8_TARGET_ARCH_X87 | 5348 #endif // V8_TARGET_ARCH_X87 |
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