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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_ARM | 7 #if V8_TARGET_ARCH_ARM |
| 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 1316 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1327 | 1327 |
| 1328 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { | 1328 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { |
| 1329 Comment cnmt(masm_, "[ SuperReference "); | 1329 Comment cnmt(masm_, "[ SuperReference "); |
| 1330 | 1330 |
| 1331 __ ldr(LoadDescriptor::ReceiverRegister(), | 1331 __ ldr(LoadDescriptor::ReceiverRegister(), |
| 1332 MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 1332 MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1333 | 1333 |
| 1334 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); | 1334 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); |
| 1335 __ Move(LoadDescriptor::NameRegister(), home_object_symbol); | 1335 __ Move(LoadDescriptor::NameRegister(), home_object_symbol); |
| 1336 | 1336 |
| 1337 __ mov(VectorLoadICDescriptor::SlotRegister(), | 1337 __ mov(LoadDescriptor::SlotRegister(), |
| 1338 Operand(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); | 1338 Operand(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); |
| 1339 CallLoadIC(NOT_CONTEXTUAL); | 1339 CallLoadIC(NOT_CONTEXTUAL); |
| 1340 | 1340 |
| 1341 __ cmp(r0, Operand(isolate()->factory()->undefined_value())); | 1341 __ cmp(r0, Operand(isolate()->factory()->undefined_value())); |
| 1342 Label done; | 1342 Label done; |
| 1343 __ b(ne, &done); | 1343 __ b(ne, &done); |
| 1344 __ CallRuntime(Runtime::kThrowNonMethodError, 0); | 1344 __ CallRuntime(Runtime::kThrowNonMethodError, 0); |
| 1345 __ bind(&done); | 1345 __ bind(&done); |
| 1346 } | 1346 } |
| 1347 | 1347 |
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| 1402 __ tst(temp, temp); | 1402 __ tst(temp, temp); |
| 1403 __ b(ne, slow); | 1403 __ b(ne, slow); |
| 1404 // Load next context in chain. | 1404 // Load next context in chain. |
| 1405 __ ldr(next, ContextOperand(next, Context::PREVIOUS_INDEX)); | 1405 __ ldr(next, ContextOperand(next, Context::PREVIOUS_INDEX)); |
| 1406 __ b(&loop); | 1406 __ b(&loop); |
| 1407 __ bind(&fast); | 1407 __ bind(&fast); |
| 1408 } | 1408 } |
| 1409 | 1409 |
| 1410 __ ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 1410 __ ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
| 1411 __ mov(LoadDescriptor::NameRegister(), Operand(proxy->var()->name())); | 1411 __ mov(LoadDescriptor::NameRegister(), Operand(proxy->var()->name())); |
| 1412 __ mov(VectorLoadICDescriptor::SlotRegister(), | 1412 __ mov(LoadDescriptor::SlotRegister(), |
| 1413 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); | 1413 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); |
| 1414 | 1414 |
| 1415 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) | 1415 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) |
| 1416 ? NOT_CONTEXTUAL | 1416 ? NOT_CONTEXTUAL |
| 1417 : CONTEXTUAL; | 1417 : CONTEXTUAL; |
| 1418 CallLoadIC(mode); | 1418 CallLoadIC(mode); |
| 1419 } | 1419 } |
| 1420 | 1420 |
| 1421 | 1421 |
| 1422 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, | 1422 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, |
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| 1490 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); | 1490 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); |
| 1491 Variable* var = proxy->var(); | 1491 Variable* var = proxy->var(); |
| 1492 | 1492 |
| 1493 // Three cases: global variables, lookup variables, and all other types of | 1493 // Three cases: global variables, lookup variables, and all other types of |
| 1494 // variables. | 1494 // variables. |
| 1495 switch (var->location()) { | 1495 switch (var->location()) { |
| 1496 case Variable::UNALLOCATED: { | 1496 case Variable::UNALLOCATED: { |
| 1497 Comment cmnt(masm_, "[ Global variable"); | 1497 Comment cmnt(masm_, "[ Global variable"); |
| 1498 __ ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 1498 __ ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
| 1499 __ mov(LoadDescriptor::NameRegister(), Operand(var->name())); | 1499 __ mov(LoadDescriptor::NameRegister(), Operand(var->name())); |
| 1500 __ mov(VectorLoadICDescriptor::SlotRegister(), | 1500 __ mov(LoadDescriptor::SlotRegister(), |
| 1501 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); | 1501 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); |
| 1502 CallGlobalLoadIC(var->name()); | 1502 CallGlobalLoadIC(var->name()); |
| 1503 context()->Plug(r0); | 1503 context()->Plug(r0); |
| 1504 break; | 1504 break; |
| 1505 } | 1505 } |
| 1506 | 1506 |
| 1507 case Variable::PARAMETER: | 1507 case Variable::PARAMETER: |
| 1508 case Variable::LOCAL: | 1508 case Variable::LOCAL: |
| 1509 case Variable::CONTEXT: { | 1509 case Variable::CONTEXT: { |
| 1510 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" | 1510 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" |
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| 2186 __ bind(&l_next); | 2186 __ bind(&l_next); |
| 2187 | 2187 |
| 2188 __ LoadRoot(load_name, Heap::knext_stringRootIndex); // "next" | 2188 __ LoadRoot(load_name, Heap::knext_stringRootIndex); // "next" |
| 2189 __ ldr(r3, MemOperand(sp, 1 * kPointerSize)); // iter | 2189 __ ldr(r3, MemOperand(sp, 1 * kPointerSize)); // iter |
| 2190 __ Push(load_name, r3, r0); // "next", iter, received | 2190 __ Push(load_name, r3, r0); // "next", iter, received |
| 2191 | 2191 |
| 2192 // result = receiver[f](arg); | 2192 // result = receiver[f](arg); |
| 2193 __ bind(&l_call); | 2193 __ bind(&l_call); |
| 2194 __ ldr(load_receiver, MemOperand(sp, kPointerSize)); | 2194 __ ldr(load_receiver, MemOperand(sp, kPointerSize)); |
| 2195 __ ldr(load_name, MemOperand(sp, 2 * kPointerSize)); | 2195 __ ldr(load_name, MemOperand(sp, 2 * kPointerSize)); |
| 2196 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2196 __ mov(LoadDescriptor::SlotRegister(), |
| 2197 Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot()))); | 2197 Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot()))); |
| 2198 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); | 2198 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); |
| 2199 CallIC(ic, TypeFeedbackId::None()); | 2199 CallIC(ic, TypeFeedbackId::None()); |
| 2200 __ mov(r1, r0); | 2200 __ mov(r1, r0); |
| 2201 __ str(r1, MemOperand(sp, 2 * kPointerSize)); | 2201 __ str(r1, MemOperand(sp, 2 * kPointerSize)); |
| 2202 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); | 2202 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); |
| 2203 __ CallStub(&stub); | 2203 __ CallStub(&stub); |
| 2204 | 2204 |
| 2205 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 2205 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 2206 __ Drop(1); // The function is still on the stack; drop it. | 2206 __ Drop(1); // The function is still on the stack; drop it. |
| 2207 | 2207 |
| 2208 // if (!result.done) goto l_try; | 2208 // if (!result.done) goto l_try; |
| 2209 __ bind(&l_loop); | 2209 __ bind(&l_loop); |
| 2210 __ Move(load_receiver, r0); | 2210 __ Move(load_receiver, r0); |
| 2211 | 2211 |
| 2212 __ push(load_receiver); // save result | 2212 __ push(load_receiver); // save result |
| 2213 __ LoadRoot(load_name, Heap::kdone_stringRootIndex); // "done" | 2213 __ LoadRoot(load_name, Heap::kdone_stringRootIndex); // "done" |
| 2214 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2214 __ mov(LoadDescriptor::SlotRegister(), |
| 2215 Operand(SmiFromSlot(expr->DoneFeedbackSlot()))); | 2215 Operand(SmiFromSlot(expr->DoneFeedbackSlot()))); |
| 2216 CallLoadIC(NOT_CONTEXTUAL); // r0=result.done | 2216 CallLoadIC(NOT_CONTEXTUAL); // r0=result.done |
| 2217 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); | 2217 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); |
| 2218 CallIC(bool_ic); | 2218 CallIC(bool_ic); |
| 2219 __ cmp(r0, Operand(0)); | 2219 __ cmp(r0, Operand(0)); |
| 2220 __ b(eq, &l_try); | 2220 __ b(eq, &l_try); |
| 2221 | 2221 |
| 2222 // result.value | 2222 // result.value |
| 2223 __ pop(load_receiver); // result | 2223 __ pop(load_receiver); // result |
| 2224 __ LoadRoot(load_name, Heap::kvalue_stringRootIndex); // "value" | 2224 __ LoadRoot(load_name, Heap::kvalue_stringRootIndex); // "value" |
| 2225 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2225 __ mov(LoadDescriptor::SlotRegister(), |
| 2226 Operand(SmiFromSlot(expr->ValueFeedbackSlot()))); | 2226 Operand(SmiFromSlot(expr->ValueFeedbackSlot()))); |
| 2227 CallLoadIC(NOT_CONTEXTUAL); // r0=result.value | 2227 CallLoadIC(NOT_CONTEXTUAL); // r0=result.value |
| 2228 context()->DropAndPlug(2, r0); // drop iter and g | 2228 context()->DropAndPlug(2, r0); // drop iter and g |
| 2229 break; | 2229 break; |
| 2230 } | 2230 } |
| 2231 } | 2231 } |
| 2232 } | 2232 } |
| 2233 | 2233 |
| 2234 | 2234 |
| 2235 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, | 2235 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, |
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| 2368 r2, r3, kLRHasBeenSaved, kDontSaveFPRegs); | 2368 r2, r3, kLRHasBeenSaved, kDontSaveFPRegs); |
| 2369 } | 2369 } |
| 2370 | 2370 |
| 2371 | 2371 |
| 2372 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { | 2372 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { |
| 2373 SetSourcePosition(prop->position()); | 2373 SetSourcePosition(prop->position()); |
| 2374 Literal* key = prop->key()->AsLiteral(); | 2374 Literal* key = prop->key()->AsLiteral(); |
| 2375 DCHECK(!prop->IsSuperAccess()); | 2375 DCHECK(!prop->IsSuperAccess()); |
| 2376 | 2376 |
| 2377 __ mov(LoadDescriptor::NameRegister(), Operand(key->value())); | 2377 __ mov(LoadDescriptor::NameRegister(), Operand(key->value())); |
| 2378 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2378 __ mov(LoadDescriptor::SlotRegister(), |
| 2379 Operand(SmiFromSlot(prop->PropertyFeedbackSlot()))); | 2379 Operand(SmiFromSlot(prop->PropertyFeedbackSlot()))); |
| 2380 CallLoadIC(NOT_CONTEXTUAL); | 2380 CallLoadIC(NOT_CONTEXTUAL); |
| 2381 } | 2381 } |
| 2382 | 2382 |
| 2383 | 2383 |
| 2384 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { | 2384 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { |
| 2385 // Stack: receiver, home_object. | 2385 // Stack: receiver, home_object. |
| 2386 SetSourcePosition(prop->position()); | 2386 SetSourcePosition(prop->position()); |
| 2387 Literal* key = prop->key()->AsLiteral(); | 2387 Literal* key = prop->key()->AsLiteral(); |
| 2388 DCHECK(!key->value()->IsSmi()); | 2388 DCHECK(!key->value()->IsSmi()); |
| 2389 DCHECK(prop->IsSuperAccess()); | 2389 DCHECK(prop->IsSuperAccess()); |
| 2390 | 2390 |
| 2391 __ Push(key->value()); | 2391 __ Push(key->value()); |
| 2392 __ CallRuntime(Runtime::kLoadFromSuper, 3); | 2392 __ CallRuntime(Runtime::kLoadFromSuper, 3); |
| 2393 } | 2393 } |
| 2394 | 2394 |
| 2395 | 2395 |
| 2396 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { | 2396 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { |
| 2397 SetSourcePosition(prop->position()); | 2397 SetSourcePosition(prop->position()); |
| 2398 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); | 2398 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); |
| 2399 __ mov(VectorLoadICDescriptor::SlotRegister(), | 2399 __ mov(LoadDescriptor::SlotRegister(), |
| 2400 Operand(SmiFromSlot(prop->PropertyFeedbackSlot()))); | 2400 Operand(SmiFromSlot(prop->PropertyFeedbackSlot()))); |
| 2401 CallIC(ic); | 2401 CallIC(ic); |
| 2402 } | 2402 } |
| 2403 | 2403 |
| 2404 | 2404 |
| 2405 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { | 2405 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { |
| 2406 // Stack: receiver, home_object, key. | 2406 // Stack: receiver, home_object, key. |
| 2407 SetSourcePosition(prop->position()); | 2407 SetSourcePosition(prop->position()); |
| 2408 | 2408 |
| 2409 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); | 2409 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); |
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| 4604 | 4604 |
| 4605 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { | 4605 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { |
| 4606 // Push the builtins object as the receiver. | 4606 // Push the builtins object as the receiver. |
| 4607 Register receiver = LoadDescriptor::ReceiverRegister(); | 4607 Register receiver = LoadDescriptor::ReceiverRegister(); |
| 4608 __ ldr(receiver, GlobalObjectOperand()); | 4608 __ ldr(receiver, GlobalObjectOperand()); |
| 4609 __ ldr(receiver, FieldMemOperand(receiver, GlobalObject::kBuiltinsOffset)); | 4609 __ ldr(receiver, FieldMemOperand(receiver, GlobalObject::kBuiltinsOffset)); |
| 4610 __ push(receiver); | 4610 __ push(receiver); |
| 4611 | 4611 |
| 4612 // Load the function from the receiver. | 4612 // Load the function from the receiver. |
| 4613 __ mov(LoadDescriptor::NameRegister(), Operand(expr->name())); | 4613 __ mov(LoadDescriptor::NameRegister(), Operand(expr->name())); |
| 4614 __ mov(VectorLoadICDescriptor::SlotRegister(), | 4614 __ mov(LoadDescriptor::SlotRegister(), |
| 4615 Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); | 4615 Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); |
| 4616 CallLoadIC(NOT_CONTEXTUAL); | 4616 CallLoadIC(NOT_CONTEXTUAL); |
| 4617 } | 4617 } |
| 4618 | 4618 |
| 4619 | 4619 |
| 4620 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { | 4620 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { |
| 4621 ZoneList<Expression*>* args = expr->arguments(); | 4621 ZoneList<Expression*>* args = expr->arguments(); |
| 4622 int arg_count = args->length(); | 4622 int arg_count = args->length(); |
| 4623 | 4623 |
| 4624 // Record source position of the IC call. | 4624 // Record source position of the IC call. |
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| 5039 | 5039 |
| 5040 | 5040 |
| 5041 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { | 5041 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { |
| 5042 DCHECK(!context()->IsEffect()); | 5042 DCHECK(!context()->IsEffect()); |
| 5043 DCHECK(!context()->IsTest()); | 5043 DCHECK(!context()->IsTest()); |
| 5044 VariableProxy* proxy = expr->AsVariableProxy(); | 5044 VariableProxy* proxy = expr->AsVariableProxy(); |
| 5045 if (proxy != NULL && proxy->var()->IsUnallocated()) { | 5045 if (proxy != NULL && proxy->var()->IsUnallocated()) { |
| 5046 Comment cmnt(masm_, "[ Global variable"); | 5046 Comment cmnt(masm_, "[ Global variable"); |
| 5047 __ ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); | 5047 __ ldr(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); |
| 5048 __ mov(LoadDescriptor::NameRegister(), Operand(proxy->name())); | 5048 __ mov(LoadDescriptor::NameRegister(), Operand(proxy->name())); |
| 5049 __ mov(VectorLoadICDescriptor::SlotRegister(), | 5049 __ mov(LoadDescriptor::SlotRegister(), |
| 5050 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); | 5050 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); |
| 5051 // Use a regular load, not a contextual load, to avoid a reference | 5051 // Use a regular load, not a contextual load, to avoid a reference |
| 5052 // error. | 5052 // error. |
| 5053 CallLoadIC(NOT_CONTEXTUAL); | 5053 CallLoadIC(NOT_CONTEXTUAL); |
| 5054 PrepareForBailout(expr, TOS_REG); | 5054 PrepareForBailout(expr, TOS_REG); |
| 5055 context()->Plug(r0); | 5055 context()->Plug(r0); |
| 5056 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { | 5056 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { |
| 5057 Comment cmnt(masm_, "[ Lookup slot"); | 5057 Comment cmnt(masm_, "[ Lookup slot"); |
| 5058 Label done, slow; | 5058 Label done, slow; |
| 5059 | 5059 |
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| 5484 | 5484 |
| 5485 DCHECK(interrupt_address == | 5485 DCHECK(interrupt_address == |
| 5486 isolate->builtins()->OsrAfterStackCheck()->entry()); | 5486 isolate->builtins()->OsrAfterStackCheck()->entry()); |
| 5487 return OSR_AFTER_STACK_CHECK; | 5487 return OSR_AFTER_STACK_CHECK; |
| 5488 } | 5488 } |
| 5489 | 5489 |
| 5490 | 5490 |
| 5491 } } // namespace v8::internal | 5491 } } // namespace v8::internal |
| 5492 | 5492 |
| 5493 #endif // V8_TARGET_ARCH_ARM | 5493 #endif // V8_TARGET_ARCH_ARM |
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