OLD | NEW |
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_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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182 | 182 |
183 // Possibly allocate a local context. | 183 // Possibly allocate a local context. |
184 int heap_slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 184 int heap_slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
185 if (heap_slots > 0) { | 185 if (heap_slots > 0) { |
186 Comment cmnt(masm_, "[ Allocate context"); | 186 Comment cmnt(masm_, "[ Allocate context"); |
187 bool need_write_barrier = true; | 187 bool need_write_barrier = true; |
188 // Argument to NewContext is the function, which is still in rdi. | 188 // Argument to NewContext is the function, which is still in rdi. |
189 if (FLAG_harmony_scoping && info->scope()->is_global_scope()) { | 189 if (FLAG_harmony_scoping && info->scope()->is_global_scope()) { |
190 __ Push(rdi); | 190 __ Push(rdi); |
191 __ Push(info->scope()->GetScopeInfo()); | 191 __ Push(info->scope()->GetScopeInfo()); |
192 __ CallRuntime(Runtime::kHiddenNewGlobalContext, 2); | 192 __ CallRuntime(Runtime::kNewGlobalContext, 2); |
193 } else if (heap_slots <= FastNewContextStub::kMaximumSlots) { | 193 } else if (heap_slots <= FastNewContextStub::kMaximumSlots) { |
194 FastNewContextStub stub(isolate(), heap_slots); | 194 FastNewContextStub stub(isolate(), heap_slots); |
195 __ CallStub(&stub); | 195 __ CallStub(&stub); |
196 // Result of FastNewContextStub is always in new space. | 196 // Result of FastNewContextStub is always in new space. |
197 need_write_barrier = false; | 197 need_write_barrier = false; |
198 } else { | 198 } else { |
199 __ Push(rdi); | 199 __ Push(rdi); |
200 __ CallRuntime(Runtime::kHiddenNewFunctionContext, 1); | 200 __ CallRuntime(Runtime::kNewFunctionContext, 1); |
201 } | 201 } |
202 function_in_register = false; | 202 function_in_register = false; |
203 // Context is returned in rax. It replaces the context passed to us. | 203 // Context is returned in rax. It replaces the context passed to us. |
204 // It's saved in the stack and kept live in rsi. | 204 // It's saved in the stack and kept live in rsi. |
205 __ movp(rsi, rax); | 205 __ movp(rsi, rax); |
206 __ movp(Operand(rbp, StandardFrameConstants::kContextOffset), rax); | 206 __ movp(Operand(rbp, StandardFrameConstants::kContextOffset), rax); |
207 | 207 |
208 // Copy any necessary parameters into the context. | 208 // Copy any necessary parameters into the context. |
209 int num_parameters = info->scope()->num_parameters(); | 209 int num_parameters = info->scope()->num_parameters(); |
210 for (int i = 0; i < num_parameters; i++) { | 210 for (int i = 0; i < num_parameters; i++) { |
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817 __ Push(Smi::FromInt(attr)); | 817 __ Push(Smi::FromInt(attr)); |
818 // Push initial value, if any. | 818 // Push initial value, if any. |
819 // Note: For variables we must not push an initial value (such as | 819 // Note: For variables we must not push an initial value (such as |
820 // 'undefined') because we may have a (legal) redeclaration and we | 820 // 'undefined') because we may have a (legal) redeclaration and we |
821 // must not destroy the current value. | 821 // must not destroy the current value. |
822 if (hole_init) { | 822 if (hole_init) { |
823 __ PushRoot(Heap::kTheHoleValueRootIndex); | 823 __ PushRoot(Heap::kTheHoleValueRootIndex); |
824 } else { | 824 } else { |
825 __ Push(Smi::FromInt(0)); // Indicates no initial value. | 825 __ Push(Smi::FromInt(0)); // Indicates no initial value. |
826 } | 826 } |
827 __ CallRuntime(Runtime::kHiddenDeclareContextSlot, 4); | 827 __ CallRuntime(Runtime::kDeclareContextSlot, 4); |
828 break; | 828 break; |
829 } | 829 } |
830 } | 830 } |
831 } | 831 } |
832 | 832 |
833 | 833 |
834 void FullCodeGenerator::VisitFunctionDeclaration( | 834 void FullCodeGenerator::VisitFunctionDeclaration( |
835 FunctionDeclaration* declaration) { | 835 FunctionDeclaration* declaration) { |
836 VariableProxy* proxy = declaration->proxy(); | 836 VariableProxy* proxy = declaration->proxy(); |
837 Variable* variable = proxy->var(); | 837 Variable* variable = proxy->var(); |
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871 PrepareForBailoutForId(proxy->id(), NO_REGISTERS); | 871 PrepareForBailoutForId(proxy->id(), NO_REGISTERS); |
872 break; | 872 break; |
873 } | 873 } |
874 | 874 |
875 case Variable::LOOKUP: { | 875 case Variable::LOOKUP: { |
876 Comment cmnt(masm_, "[ FunctionDeclaration"); | 876 Comment cmnt(masm_, "[ FunctionDeclaration"); |
877 __ Push(rsi); | 877 __ Push(rsi); |
878 __ Push(variable->name()); | 878 __ Push(variable->name()); |
879 __ Push(Smi::FromInt(NONE)); | 879 __ Push(Smi::FromInt(NONE)); |
880 VisitForStackValue(declaration->fun()); | 880 VisitForStackValue(declaration->fun()); |
881 __ CallRuntime(Runtime::kHiddenDeclareContextSlot, 4); | 881 __ CallRuntime(Runtime::kDeclareContextSlot, 4); |
882 break; | 882 break; |
883 } | 883 } |
884 } | 884 } |
885 } | 885 } |
886 | 886 |
887 | 887 |
888 void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) { | 888 void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) { |
889 Variable* variable = declaration->proxy()->var(); | 889 Variable* variable = declaration->proxy()->var(); |
890 ASSERT(variable->location() == Variable::CONTEXT); | 890 ASSERT(variable->location() == Variable::CONTEXT); |
891 ASSERT(variable->interface()->IsFrozen()); | 891 ASSERT(variable->interface()->IsFrozen()); |
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941 void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) { | 941 void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) { |
942 // TODO(rossberg) | 942 // TODO(rossberg) |
943 } | 943 } |
944 | 944 |
945 | 945 |
946 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) { | 946 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) { |
947 // Call the runtime to declare the globals. | 947 // Call the runtime to declare the globals. |
948 __ Push(rsi); // The context is the first argument. | 948 __ Push(rsi); // The context is the first argument. |
949 __ Push(pairs); | 949 __ Push(pairs); |
950 __ Push(Smi::FromInt(DeclareGlobalsFlags())); | 950 __ Push(Smi::FromInt(DeclareGlobalsFlags())); |
951 __ CallRuntime(Runtime::kHiddenDeclareGlobals, 3); | 951 __ CallRuntime(Runtime::kDeclareGlobals, 3); |
952 // Return value is ignored. | 952 // Return value is ignored. |
953 } | 953 } |
954 | 954 |
955 | 955 |
956 void FullCodeGenerator::DeclareModules(Handle<FixedArray> descriptions) { | 956 void FullCodeGenerator::DeclareModules(Handle<FixedArray> descriptions) { |
957 // Call the runtime to declare the modules. | 957 // Call the runtime to declare the modules. |
958 __ Push(descriptions); | 958 __ Push(descriptions); |
959 __ CallRuntime(Runtime::kHiddenDeclareModules, 1); | 959 __ CallRuntime(Runtime::kDeclareModules, 1); |
960 // Return value is ignored. | 960 // Return value is ignored. |
961 } | 961 } |
962 | 962 |
963 | 963 |
964 void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) { | 964 void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) { |
965 Comment cmnt(masm_, "[ SwitchStatement"); | 965 Comment cmnt(masm_, "[ SwitchStatement"); |
966 Breakable nested_statement(this, stmt); | 966 Breakable nested_statement(this, stmt); |
967 SetStatementPosition(stmt); | 967 SetStatementPosition(stmt); |
968 | 968 |
969 // Keep the switch value on the stack until a case matches. | 969 // Keep the switch value on the stack until a case matches. |
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1302 info->strict_mode(), | 1302 info->strict_mode(), |
1303 info->is_generator()); | 1303 info->is_generator()); |
1304 __ Move(rbx, info); | 1304 __ Move(rbx, info); |
1305 __ CallStub(&stub); | 1305 __ CallStub(&stub); |
1306 } else { | 1306 } else { |
1307 __ Push(rsi); | 1307 __ Push(rsi); |
1308 __ Push(info); | 1308 __ Push(info); |
1309 __ Push(pretenure | 1309 __ Push(pretenure |
1310 ? isolate()->factory()->true_value() | 1310 ? isolate()->factory()->true_value() |
1311 : isolate()->factory()->false_value()); | 1311 : isolate()->factory()->false_value()); |
1312 __ CallRuntime(Runtime::kHiddenNewClosure, 3); | 1312 __ CallRuntime(Runtime::kNewClosure, 3); |
1313 } | 1313 } |
1314 context()->Plug(rax); | 1314 context()->Plug(rax); |
1315 } | 1315 } |
1316 | 1316 |
1317 | 1317 |
1318 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { | 1318 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { |
1319 Comment cmnt(masm_, "[ VariableProxy"); | 1319 Comment cmnt(masm_, "[ VariableProxy"); |
1320 EmitVariableLoad(expr); | 1320 EmitVariableLoad(expr); |
1321 } | 1321 } |
1322 | 1322 |
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1427 Variable* local = var->local_if_not_shadowed(); | 1427 Variable* local = var->local_if_not_shadowed(); |
1428 __ movp(rax, ContextSlotOperandCheckExtensions(local, slow)); | 1428 __ movp(rax, ContextSlotOperandCheckExtensions(local, slow)); |
1429 if (local->mode() == LET || local->mode() == CONST || | 1429 if (local->mode() == LET || local->mode() == CONST || |
1430 local->mode() == CONST_LEGACY) { | 1430 local->mode() == CONST_LEGACY) { |
1431 __ CompareRoot(rax, Heap::kTheHoleValueRootIndex); | 1431 __ CompareRoot(rax, Heap::kTheHoleValueRootIndex); |
1432 __ j(not_equal, done); | 1432 __ j(not_equal, done); |
1433 if (local->mode() == CONST_LEGACY) { | 1433 if (local->mode() == CONST_LEGACY) { |
1434 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); | 1434 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
1435 } else { // LET || CONST | 1435 } else { // LET || CONST |
1436 __ Push(var->name()); | 1436 __ Push(var->name()); |
1437 __ CallRuntime(Runtime::kHiddenThrowReferenceError, 1); | 1437 __ CallRuntime(Runtime::kThrowReferenceError, 1); |
1438 } | 1438 } |
1439 } | 1439 } |
1440 __ jmp(done); | 1440 __ jmp(done); |
1441 } | 1441 } |
1442 } | 1442 } |
1443 | 1443 |
1444 | 1444 |
1445 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) { | 1445 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) { |
1446 // Record position before possible IC call. | 1446 // Record position before possible IC call. |
1447 SetSourcePosition(proxy->position()); | 1447 SetSourcePosition(proxy->position()); |
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1504 if (!skip_init_check) { | 1504 if (!skip_init_check) { |
1505 // Let and const need a read barrier. | 1505 // Let and const need a read barrier. |
1506 Label done; | 1506 Label done; |
1507 GetVar(rax, var); | 1507 GetVar(rax, var); |
1508 __ CompareRoot(rax, Heap::kTheHoleValueRootIndex); | 1508 __ CompareRoot(rax, Heap::kTheHoleValueRootIndex); |
1509 __ j(not_equal, &done, Label::kNear); | 1509 __ j(not_equal, &done, Label::kNear); |
1510 if (var->mode() == LET || var->mode() == CONST) { | 1510 if (var->mode() == LET || var->mode() == CONST) { |
1511 // Throw a reference error when using an uninitialized let/const | 1511 // Throw a reference error when using an uninitialized let/const |
1512 // binding in harmony mode. | 1512 // binding in harmony mode. |
1513 __ Push(var->name()); | 1513 __ Push(var->name()); |
1514 __ CallRuntime(Runtime::kHiddenThrowReferenceError, 1); | 1514 __ CallRuntime(Runtime::kThrowReferenceError, 1); |
1515 } else { | 1515 } else { |
1516 // Uninitalized const bindings outside of harmony mode are unholed. | 1516 // Uninitalized const bindings outside of harmony mode are unholed. |
1517 ASSERT(var->mode() == CONST_LEGACY); | 1517 ASSERT(var->mode() == CONST_LEGACY); |
1518 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); | 1518 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
1519 } | 1519 } |
1520 __ bind(&done); | 1520 __ bind(&done); |
1521 context()->Plug(rax); | 1521 context()->Plug(rax); |
1522 break; | 1522 break; |
1523 } | 1523 } |
1524 } | 1524 } |
1525 context()->Plug(var); | 1525 context()->Plug(var); |
1526 break; | 1526 break; |
1527 } | 1527 } |
1528 | 1528 |
1529 case Variable::LOOKUP: { | 1529 case Variable::LOOKUP: { |
1530 Comment cmnt(masm_, "[ Lookup slot"); | 1530 Comment cmnt(masm_, "[ Lookup slot"); |
1531 Label done, slow; | 1531 Label done, slow; |
1532 // Generate code for loading from variables potentially shadowed | 1532 // Generate code for loading from variables potentially shadowed |
1533 // by eval-introduced variables. | 1533 // by eval-introduced variables. |
1534 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); | 1534 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); |
1535 __ bind(&slow); | 1535 __ bind(&slow); |
1536 __ Push(rsi); // Context. | 1536 __ Push(rsi); // Context. |
1537 __ Push(var->name()); | 1537 __ Push(var->name()); |
1538 __ CallRuntime(Runtime::kHiddenLoadContextSlot, 2); | 1538 __ CallRuntime(Runtime::kLoadContextSlot, 2); |
1539 __ bind(&done); | 1539 __ bind(&done); |
1540 context()->Plug(rax); | 1540 context()->Plug(rax); |
1541 break; | 1541 break; |
1542 } | 1542 } |
1543 } | 1543 } |
1544 } | 1544 } |
1545 | 1545 |
1546 | 1546 |
1547 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { | 1547 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { |
1548 Comment cmnt(masm_, "[ RegExpLiteral"); | 1548 Comment cmnt(masm_, "[ RegExpLiteral"); |
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1559 __ movp(rbx, FieldOperand(rcx, literal_offset)); | 1559 __ movp(rbx, FieldOperand(rcx, literal_offset)); |
1560 __ CompareRoot(rbx, Heap::kUndefinedValueRootIndex); | 1560 __ CompareRoot(rbx, Heap::kUndefinedValueRootIndex); |
1561 __ j(not_equal, &materialized, Label::kNear); | 1561 __ j(not_equal, &materialized, Label::kNear); |
1562 | 1562 |
1563 // Create regexp literal using runtime function | 1563 // Create regexp literal using runtime function |
1564 // Result will be in rax. | 1564 // Result will be in rax. |
1565 __ Push(rcx); | 1565 __ Push(rcx); |
1566 __ Push(Smi::FromInt(expr->literal_index())); | 1566 __ Push(Smi::FromInt(expr->literal_index())); |
1567 __ Push(expr->pattern()); | 1567 __ Push(expr->pattern()); |
1568 __ Push(expr->flags()); | 1568 __ Push(expr->flags()); |
1569 __ CallRuntime(Runtime::kHiddenMaterializeRegExpLiteral, 4); | 1569 __ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4); |
1570 __ movp(rbx, rax); | 1570 __ movp(rbx, rax); |
1571 | 1571 |
1572 __ bind(&materialized); | 1572 __ bind(&materialized); |
1573 int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize; | 1573 int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize; |
1574 Label allocated, runtime_allocate; | 1574 Label allocated, runtime_allocate; |
1575 __ Allocate(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT); | 1575 __ Allocate(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT); |
1576 __ jmp(&allocated); | 1576 __ jmp(&allocated); |
1577 | 1577 |
1578 __ bind(&runtime_allocate); | 1578 __ bind(&runtime_allocate); |
1579 __ Push(rbx); | 1579 __ Push(rbx); |
1580 __ Push(Smi::FromInt(size)); | 1580 __ Push(Smi::FromInt(size)); |
1581 __ CallRuntime(Runtime::kHiddenAllocateInNewSpace, 1); | 1581 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); |
1582 __ Pop(rbx); | 1582 __ Pop(rbx); |
1583 | 1583 |
1584 __ bind(&allocated); | 1584 __ bind(&allocated); |
1585 // Copy the content into the newly allocated memory. | 1585 // Copy the content into the newly allocated memory. |
1586 // (Unroll copy loop once for better throughput). | 1586 // (Unroll copy loop once for better throughput). |
1587 for (int i = 0; i < size - kPointerSize; i += 2 * kPointerSize) { | 1587 for (int i = 0; i < size - kPointerSize; i += 2 * kPointerSize) { |
1588 __ movp(rdx, FieldOperand(rbx, i)); | 1588 __ movp(rdx, FieldOperand(rbx, i)); |
1589 __ movp(rcx, FieldOperand(rbx, i + kPointerSize)); | 1589 __ movp(rcx, FieldOperand(rbx, i + kPointerSize)); |
1590 __ movp(FieldOperand(rax, i), rdx); | 1590 __ movp(FieldOperand(rax, i), rdx); |
1591 __ movp(FieldOperand(rax, i + kPointerSize), rcx); | 1591 __ movp(FieldOperand(rax, i + kPointerSize), rcx); |
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1620 : ObjectLiteral::kNoFlags; | 1620 : ObjectLiteral::kNoFlags; |
1621 int properties_count = constant_properties->length() / 2; | 1621 int properties_count = constant_properties->length() / 2; |
1622 if (expr->may_store_doubles() || expr->depth() > 1 || | 1622 if (expr->may_store_doubles() || expr->depth() > 1 || |
1623 masm()->serializer_enabled() || flags != ObjectLiteral::kFastElements || | 1623 masm()->serializer_enabled() || flags != ObjectLiteral::kFastElements || |
1624 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { | 1624 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { |
1625 __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 1625 __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
1626 __ Push(FieldOperand(rdi, JSFunction::kLiteralsOffset)); | 1626 __ Push(FieldOperand(rdi, JSFunction::kLiteralsOffset)); |
1627 __ Push(Smi::FromInt(expr->literal_index())); | 1627 __ Push(Smi::FromInt(expr->literal_index())); |
1628 __ Push(constant_properties); | 1628 __ Push(constant_properties); |
1629 __ Push(Smi::FromInt(flags)); | 1629 __ Push(Smi::FromInt(flags)); |
1630 __ CallRuntime(Runtime::kHiddenCreateObjectLiteral, 4); | 1630 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); |
1631 } else { | 1631 } else { |
1632 __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 1632 __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
1633 __ movp(rax, FieldOperand(rdi, JSFunction::kLiteralsOffset)); | 1633 __ movp(rax, FieldOperand(rdi, JSFunction::kLiteralsOffset)); |
1634 __ Move(rbx, Smi::FromInt(expr->literal_index())); | 1634 __ Move(rbx, Smi::FromInt(expr->literal_index())); |
1635 __ Move(rcx, constant_properties); | 1635 __ Move(rcx, constant_properties); |
1636 __ Move(rdx, Smi::FromInt(flags)); | 1636 __ Move(rdx, Smi::FromInt(flags)); |
1637 FastCloneShallowObjectStub stub(isolate(), properties_count); | 1637 FastCloneShallowObjectStub stub(isolate(), properties_count); |
1638 __ CallStub(&stub); | 1638 __ CallStub(&stub); |
1639 } | 1639 } |
1640 | 1640 |
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1757 // we can turn it off if we don't have anywhere else to transition to. | 1757 // we can turn it off if we don't have anywhere else to transition to. |
1758 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; | 1758 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; |
1759 } | 1759 } |
1760 | 1760 |
1761 if (expr->depth() > 1 || length > JSObject::kInitialMaxFastElementArray) { | 1761 if (expr->depth() > 1 || length > JSObject::kInitialMaxFastElementArray) { |
1762 __ movp(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 1762 __ movp(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
1763 __ Push(FieldOperand(rbx, JSFunction::kLiteralsOffset)); | 1763 __ Push(FieldOperand(rbx, JSFunction::kLiteralsOffset)); |
1764 __ Push(Smi::FromInt(expr->literal_index())); | 1764 __ Push(Smi::FromInt(expr->literal_index())); |
1765 __ Push(constant_elements); | 1765 __ Push(constant_elements); |
1766 __ Push(Smi::FromInt(flags)); | 1766 __ Push(Smi::FromInt(flags)); |
1767 __ CallRuntime(Runtime::kHiddenCreateArrayLiteral, 4); | 1767 __ CallRuntime(Runtime::kCreateArrayLiteral, 4); |
1768 } else { | 1768 } else { |
1769 __ movp(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 1769 __ movp(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
1770 __ movp(rax, FieldOperand(rbx, JSFunction::kLiteralsOffset)); | 1770 __ movp(rax, FieldOperand(rbx, JSFunction::kLiteralsOffset)); |
1771 __ Move(rbx, Smi::FromInt(expr->literal_index())); | 1771 __ Move(rbx, Smi::FromInt(expr->literal_index())); |
1772 __ Move(rcx, constant_elements); | 1772 __ Move(rcx, constant_elements); |
1773 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); | 1773 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); |
1774 __ CallStub(&stub); | 1774 __ CallStub(&stub); |
1775 } | 1775 } |
1776 | 1776 |
1777 bool result_saved = false; // Is the result saved to the stack? | 1777 bool result_saved = false; // Is the result saved to the stack? |
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1958 __ Move(FieldOperand(rax, JSGeneratorObject::kContinuationOffset), | 1958 __ Move(FieldOperand(rax, JSGeneratorObject::kContinuationOffset), |
1959 Smi::FromInt(continuation.pos())); | 1959 Smi::FromInt(continuation.pos())); |
1960 __ movp(FieldOperand(rax, JSGeneratorObject::kContextOffset), rsi); | 1960 __ movp(FieldOperand(rax, JSGeneratorObject::kContextOffset), rsi); |
1961 __ movp(rcx, rsi); | 1961 __ movp(rcx, rsi); |
1962 __ RecordWriteField(rax, JSGeneratorObject::kContextOffset, rcx, rdx, | 1962 __ RecordWriteField(rax, JSGeneratorObject::kContextOffset, rcx, rdx, |
1963 kDontSaveFPRegs); | 1963 kDontSaveFPRegs); |
1964 __ leap(rbx, Operand(rbp, StandardFrameConstants::kExpressionsOffset)); | 1964 __ leap(rbx, Operand(rbp, StandardFrameConstants::kExpressionsOffset)); |
1965 __ cmpp(rsp, rbx); | 1965 __ cmpp(rsp, rbx); |
1966 __ j(equal, &post_runtime); | 1966 __ j(equal, &post_runtime); |
1967 __ Push(rax); // generator object | 1967 __ Push(rax); // generator object |
1968 __ CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject, 1); | 1968 __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); |
1969 __ movp(context_register(), | 1969 __ movp(context_register(), |
1970 Operand(rbp, StandardFrameConstants::kContextOffset)); | 1970 Operand(rbp, StandardFrameConstants::kContextOffset)); |
1971 __ bind(&post_runtime); | 1971 __ bind(&post_runtime); |
1972 | 1972 |
1973 __ Pop(result_register()); | 1973 __ Pop(result_register()); |
1974 EmitReturnSequence(); | 1974 EmitReturnSequence(); |
1975 | 1975 |
1976 __ bind(&resume); | 1976 __ bind(&resume); |
1977 context()->Plug(result_register()); | 1977 context()->Plug(result_register()); |
1978 break; | 1978 break; |
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2027 const int generator_object_depth = kPointerSize + handler_size; | 2027 const int generator_object_depth = kPointerSize + handler_size; |
2028 __ movp(rax, Operand(rsp, generator_object_depth)); | 2028 __ movp(rax, Operand(rsp, generator_object_depth)); |
2029 __ Push(rax); // g | 2029 __ Push(rax); // g |
2030 ASSERT(l_continuation.pos() > 0 && Smi::IsValid(l_continuation.pos())); | 2030 ASSERT(l_continuation.pos() > 0 && Smi::IsValid(l_continuation.pos())); |
2031 __ Move(FieldOperand(rax, JSGeneratorObject::kContinuationOffset), | 2031 __ Move(FieldOperand(rax, JSGeneratorObject::kContinuationOffset), |
2032 Smi::FromInt(l_continuation.pos())); | 2032 Smi::FromInt(l_continuation.pos())); |
2033 __ movp(FieldOperand(rax, JSGeneratorObject::kContextOffset), rsi); | 2033 __ movp(FieldOperand(rax, JSGeneratorObject::kContextOffset), rsi); |
2034 __ movp(rcx, rsi); | 2034 __ movp(rcx, rsi); |
2035 __ RecordWriteField(rax, JSGeneratorObject::kContextOffset, rcx, rdx, | 2035 __ RecordWriteField(rax, JSGeneratorObject::kContextOffset, rcx, rdx, |
2036 kDontSaveFPRegs); | 2036 kDontSaveFPRegs); |
2037 __ CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject, 1); | 2037 __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); |
2038 __ movp(context_register(), | 2038 __ movp(context_register(), |
2039 Operand(rbp, StandardFrameConstants::kContextOffset)); | 2039 Operand(rbp, StandardFrameConstants::kContextOffset)); |
2040 __ Pop(rax); // result | 2040 __ Pop(rax); // result |
2041 EmitReturnSequence(); | 2041 EmitReturnSequence(); |
2042 __ bind(&l_resume); // received in rax | 2042 __ bind(&l_resume); // received in rax |
2043 __ PopTryHandler(); | 2043 __ PopTryHandler(); |
2044 | 2044 |
2045 // receiver = iter; f = 'next'; arg = received; | 2045 // receiver = iter; f = 'next'; arg = received; |
2046 __ bind(&l_next); | 2046 __ bind(&l_next); |
2047 __ LoadRoot(rcx, Heap::knext_stringRootIndex); // "next" | 2047 __ LoadRoot(rcx, Heap::knext_stringRootIndex); // "next" |
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2081 break; | 2081 break; |
2082 } | 2082 } |
2083 } | 2083 } |
2084 } | 2084 } |
2085 | 2085 |
2086 | 2086 |
2087 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, | 2087 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, |
2088 Expression *value, | 2088 Expression *value, |
2089 JSGeneratorObject::ResumeMode resume_mode) { | 2089 JSGeneratorObject::ResumeMode resume_mode) { |
2090 // The value stays in rax, and is ultimately read by the resumed generator, as | 2090 // The value stays in rax, and is ultimately read by the resumed generator, as |
2091 // if CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject) returned it. Or it | 2091 // if CallRuntime(Runtime::kSuspendJSGeneratorObject) returned it. Or it |
2092 // is read to throw the value when the resumed generator is already closed. | 2092 // is read to throw the value when the resumed generator is already closed. |
2093 // rbx will hold the generator object until the activation has been resumed. | 2093 // rbx will hold the generator object until the activation has been resumed. |
2094 VisitForStackValue(generator); | 2094 VisitForStackValue(generator); |
2095 VisitForAccumulatorValue(value); | 2095 VisitForAccumulatorValue(value); |
2096 __ Pop(rbx); | 2096 __ Pop(rbx); |
2097 | 2097 |
2098 // Check generator state. | 2098 // Check generator state. |
2099 Label wrong_state, closed_state, done; | 2099 Label wrong_state, closed_state, done; |
2100 STATIC_ASSERT(JSGeneratorObject::kGeneratorExecuting < 0); | 2100 STATIC_ASSERT(JSGeneratorObject::kGeneratorExecuting < 0); |
2101 STATIC_ASSERT(JSGeneratorObject::kGeneratorClosed == 0); | 2101 STATIC_ASSERT(JSGeneratorObject::kGeneratorClosed == 0); |
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2161 Label push_operand_holes, call_resume; | 2161 Label push_operand_holes, call_resume; |
2162 __ bind(&push_operand_holes); | 2162 __ bind(&push_operand_holes); |
2163 __ subp(rdx, Immediate(1)); | 2163 __ subp(rdx, Immediate(1)); |
2164 __ j(carry, &call_resume); | 2164 __ j(carry, &call_resume); |
2165 __ Push(rcx); | 2165 __ Push(rcx); |
2166 __ jmp(&push_operand_holes); | 2166 __ jmp(&push_operand_holes); |
2167 __ bind(&call_resume); | 2167 __ bind(&call_resume); |
2168 __ Push(rbx); | 2168 __ Push(rbx); |
2169 __ Push(result_register()); | 2169 __ Push(result_register()); |
2170 __ Push(Smi::FromInt(resume_mode)); | 2170 __ Push(Smi::FromInt(resume_mode)); |
2171 __ CallRuntime(Runtime::kHiddenResumeJSGeneratorObject, 3); | 2171 __ CallRuntime(Runtime::kResumeJSGeneratorObject, 3); |
2172 // Not reached: the runtime call returns elsewhere. | 2172 // Not reached: the runtime call returns elsewhere. |
2173 __ Abort(kGeneratorFailedToResume); | 2173 __ Abort(kGeneratorFailedToResume); |
2174 | 2174 |
2175 // Reach here when generator is closed. | 2175 // Reach here when generator is closed. |
2176 __ bind(&closed_state); | 2176 __ bind(&closed_state); |
2177 if (resume_mode == JSGeneratorObject::NEXT) { | 2177 if (resume_mode == JSGeneratorObject::NEXT) { |
2178 // Return completed iterator result when generator is closed. | 2178 // Return completed iterator result when generator is closed. |
2179 __ PushRoot(Heap::kUndefinedValueRootIndex); | 2179 __ PushRoot(Heap::kUndefinedValueRootIndex); |
2180 // Pop value from top-of-stack slot; box result into result register. | 2180 // Pop value from top-of-stack slot; box result into result register. |
2181 EmitCreateIteratorResult(true); | 2181 EmitCreateIteratorResult(true); |
2182 } else { | 2182 } else { |
2183 // Throw the provided value. | 2183 // Throw the provided value. |
2184 __ Push(rax); | 2184 __ Push(rax); |
2185 __ CallRuntime(Runtime::kHiddenThrow, 1); | 2185 __ CallRuntime(Runtime::kThrow, 1); |
2186 } | 2186 } |
2187 __ jmp(&done); | 2187 __ jmp(&done); |
2188 | 2188 |
2189 // Throw error if we attempt to operate on a running generator. | 2189 // Throw error if we attempt to operate on a running generator. |
2190 __ bind(&wrong_state); | 2190 __ bind(&wrong_state); |
2191 __ Push(rbx); | 2191 __ Push(rbx); |
2192 __ CallRuntime(Runtime::kHiddenThrowGeneratorStateError, 1); | 2192 __ CallRuntime(Runtime::kThrowGeneratorStateError, 1); |
2193 | 2193 |
2194 __ bind(&done); | 2194 __ bind(&done); |
2195 context()->Plug(result_register()); | 2195 context()->Plug(result_register()); |
2196 } | 2196 } |
2197 | 2197 |
2198 | 2198 |
2199 void FullCodeGenerator::EmitCreateIteratorResult(bool done) { | 2199 void FullCodeGenerator::EmitCreateIteratorResult(bool done) { |
2200 Label gc_required; | 2200 Label gc_required; |
2201 Label allocated; | 2201 Label allocated; |
2202 | 2202 |
2203 Handle<Map> map(isolate()->native_context()->iterator_result_map()); | 2203 Handle<Map> map(isolate()->native_context()->iterator_result_map()); |
2204 | 2204 |
2205 __ Allocate(map->instance_size(), rax, rcx, rdx, &gc_required, TAG_OBJECT); | 2205 __ Allocate(map->instance_size(), rax, rcx, rdx, &gc_required, TAG_OBJECT); |
2206 __ jmp(&allocated); | 2206 __ jmp(&allocated); |
2207 | 2207 |
2208 __ bind(&gc_required); | 2208 __ bind(&gc_required); |
2209 __ Push(Smi::FromInt(map->instance_size())); | 2209 __ Push(Smi::FromInt(map->instance_size())); |
2210 __ CallRuntime(Runtime::kHiddenAllocateInNewSpace, 1); | 2210 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); |
2211 __ movp(context_register(), | 2211 __ movp(context_register(), |
2212 Operand(rbp, StandardFrameConstants::kContextOffset)); | 2212 Operand(rbp, StandardFrameConstants::kContextOffset)); |
2213 | 2213 |
2214 __ bind(&allocated); | 2214 __ bind(&allocated); |
2215 __ Move(rbx, map); | 2215 __ Move(rbx, map); |
2216 __ Pop(rcx); | 2216 __ Pop(rcx); |
2217 __ Move(rdx, isolate()->factory()->ToBoolean(done)); | 2217 __ Move(rdx, isolate()->factory()->ToBoolean(done)); |
2218 ASSERT_EQ(map->instance_size(), 5 * kPointerSize); | 2218 ASSERT_EQ(map->instance_size(), 5 * kPointerSize); |
2219 __ movp(FieldOperand(rax, HeapObject::kMapOffset), rbx); | 2219 __ movp(FieldOperand(rax, HeapObject::kMapOffset), rbx); |
2220 __ Move(FieldOperand(rax, JSObject::kPropertiesOffset), | 2220 __ Move(FieldOperand(rax, JSObject::kPropertiesOffset), |
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2379 } | 2379 } |
2380 } | 2380 } |
2381 | 2381 |
2382 | 2382 |
2383 void FullCodeGenerator::EmitCallStoreContextSlot( | 2383 void FullCodeGenerator::EmitCallStoreContextSlot( |
2384 Handle<String> name, StrictMode strict_mode) { | 2384 Handle<String> name, StrictMode strict_mode) { |
2385 __ Push(rax); // Value. | 2385 __ Push(rax); // Value. |
2386 __ Push(rsi); // Context. | 2386 __ Push(rsi); // Context. |
2387 __ Push(name); | 2387 __ Push(name); |
2388 __ Push(Smi::FromInt(strict_mode)); | 2388 __ Push(Smi::FromInt(strict_mode)); |
2389 __ CallRuntime(Runtime::kHiddenStoreContextSlot, 4); | 2389 __ CallRuntime(Runtime::kStoreContextSlot, 4); |
2390 } | 2390 } |
2391 | 2391 |
2392 | 2392 |
2393 void FullCodeGenerator::EmitVariableAssignment(Variable* var, | 2393 void FullCodeGenerator::EmitVariableAssignment(Variable* var, |
2394 Token::Value op) { | 2394 Token::Value op) { |
2395 if (var->IsUnallocated()) { | 2395 if (var->IsUnallocated()) { |
2396 // Global var, const, or let. | 2396 // Global var, const, or let. |
2397 __ Move(rcx, var->name()); | 2397 __ Move(rcx, var->name()); |
2398 __ movp(rdx, GlobalObjectOperand()); | 2398 __ movp(rdx, GlobalObjectOperand()); |
2399 CallStoreIC(); | 2399 CallStoreIC(); |
2400 | 2400 |
2401 } else if (op == Token::INIT_CONST_LEGACY) { | 2401 } else if (op == Token::INIT_CONST_LEGACY) { |
2402 // Const initializers need a write barrier. | 2402 // Const initializers need a write barrier. |
2403 ASSERT(!var->IsParameter()); // No const parameters. | 2403 ASSERT(!var->IsParameter()); // No const parameters. |
2404 if (var->IsLookupSlot()) { | 2404 if (var->IsLookupSlot()) { |
2405 __ Push(rax); | 2405 __ Push(rax); |
2406 __ Push(rsi); | 2406 __ Push(rsi); |
2407 __ Push(var->name()); | 2407 __ Push(var->name()); |
2408 __ CallRuntime(Runtime::kHiddenInitializeConstContextSlot, 3); | 2408 __ CallRuntime(Runtime::kInitializeConstContextSlot, 3); |
2409 } else { | 2409 } else { |
2410 ASSERT(var->IsStackLocal() || var->IsContextSlot()); | 2410 ASSERT(var->IsStackLocal() || var->IsContextSlot()); |
2411 Label skip; | 2411 Label skip; |
2412 MemOperand location = VarOperand(var, rcx); | 2412 MemOperand location = VarOperand(var, rcx); |
2413 __ movp(rdx, location); | 2413 __ movp(rdx, location); |
2414 __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); | 2414 __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); |
2415 __ j(not_equal, &skip); | 2415 __ j(not_equal, &skip); |
2416 EmitStoreToStackLocalOrContextSlot(var, location); | 2416 EmitStoreToStackLocalOrContextSlot(var, location); |
2417 __ bind(&skip); | 2417 __ bind(&skip); |
2418 } | 2418 } |
2419 | 2419 |
2420 } else if (var->mode() == LET && op != Token::INIT_LET) { | 2420 } else if (var->mode() == LET && op != Token::INIT_LET) { |
2421 // Non-initializing assignment to let variable needs a write barrier. | 2421 // Non-initializing assignment to let variable needs a write barrier. |
2422 if (var->IsLookupSlot()) { | 2422 if (var->IsLookupSlot()) { |
2423 EmitCallStoreContextSlot(var->name(), strict_mode()); | 2423 EmitCallStoreContextSlot(var->name(), strict_mode()); |
2424 } else { | 2424 } else { |
2425 ASSERT(var->IsStackAllocated() || var->IsContextSlot()); | 2425 ASSERT(var->IsStackAllocated() || var->IsContextSlot()); |
2426 Label assign; | 2426 Label assign; |
2427 MemOperand location = VarOperand(var, rcx); | 2427 MemOperand location = VarOperand(var, rcx); |
2428 __ movp(rdx, location); | 2428 __ movp(rdx, location); |
2429 __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); | 2429 __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); |
2430 __ j(not_equal, &assign, Label::kNear); | 2430 __ j(not_equal, &assign, Label::kNear); |
2431 __ Push(var->name()); | 2431 __ Push(var->name()); |
2432 __ CallRuntime(Runtime::kHiddenThrowReferenceError, 1); | 2432 __ CallRuntime(Runtime::kThrowReferenceError, 1); |
2433 __ bind(&assign); | 2433 __ bind(&assign); |
2434 EmitStoreToStackLocalOrContextSlot(var, location); | 2434 EmitStoreToStackLocalOrContextSlot(var, location); |
2435 } | 2435 } |
2436 | 2436 |
2437 } else if (!var->is_const_mode() || op == Token::INIT_CONST) { | 2437 } else if (!var->is_const_mode() || op == Token::INIT_CONST) { |
2438 // Assignment to var or initializing assignment to let/const | 2438 // Assignment to var or initializing assignment to let/const |
2439 // in harmony mode. | 2439 // in harmony mode. |
2440 if (var->IsLookupSlot()) { | 2440 if (var->IsLookupSlot()) { |
2441 EmitCallStoreContextSlot(var->name(), strict_mode()); | 2441 EmitCallStoreContextSlot(var->name(), strict_mode()); |
2442 } else { | 2442 } else { |
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2609 StackArgumentsAccessor args(rbp, info_->scope()->num_parameters()); | 2609 StackArgumentsAccessor args(rbp, info_->scope()->num_parameters()); |
2610 __ Push(args.GetReceiverOperand()); | 2610 __ Push(args.GetReceiverOperand()); |
2611 | 2611 |
2612 // Push the language mode. | 2612 // Push the language mode. |
2613 __ Push(Smi::FromInt(strict_mode())); | 2613 __ Push(Smi::FromInt(strict_mode())); |
2614 | 2614 |
2615 // Push the start position of the scope the calls resides in. | 2615 // Push the start position of the scope the calls resides in. |
2616 __ Push(Smi::FromInt(scope()->start_position())); | 2616 __ Push(Smi::FromInt(scope()->start_position())); |
2617 | 2617 |
2618 // Do the runtime call. | 2618 // Do the runtime call. |
2619 __ CallRuntime(Runtime::kHiddenResolvePossiblyDirectEval, 5); | 2619 __ CallRuntime(Runtime::kResolvePossiblyDirectEval, 5); |
2620 } | 2620 } |
2621 | 2621 |
2622 | 2622 |
2623 void FullCodeGenerator::VisitCall(Call* expr) { | 2623 void FullCodeGenerator::VisitCall(Call* expr) { |
2624 #ifdef DEBUG | 2624 #ifdef DEBUG |
2625 // We want to verify that RecordJSReturnSite gets called on all paths | 2625 // We want to verify that RecordJSReturnSite gets called on all paths |
2626 // through this function. Avoid early returns. | 2626 // through this function. Avoid early returns. |
2627 expr->return_is_recorded_ = false; | 2627 expr->return_is_recorded_ = false; |
2628 #endif | 2628 #endif |
2629 | 2629 |
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2676 { PreservePositionScope scope(masm()->positions_recorder()); | 2676 { PreservePositionScope scope(masm()->positions_recorder()); |
2677 // Generate code for loading from variables potentially shadowed by | 2677 // Generate code for loading from variables potentially shadowed by |
2678 // eval-introduced variables. | 2678 // eval-introduced variables. |
2679 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); | 2679 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); |
2680 } | 2680 } |
2681 __ bind(&slow); | 2681 __ bind(&slow); |
2682 // Call the runtime to find the function to call (returned in rax) and | 2682 // Call the runtime to find the function to call (returned in rax) and |
2683 // the object holding it (returned in rdx). | 2683 // the object holding it (returned in rdx). |
2684 __ Push(context_register()); | 2684 __ Push(context_register()); |
2685 __ Push(proxy->name()); | 2685 __ Push(proxy->name()); |
2686 __ CallRuntime(Runtime::kHiddenLoadContextSlot, 2); | 2686 __ CallRuntime(Runtime::kLoadContextSlot, 2); |
2687 __ Push(rax); // Function. | 2687 __ Push(rax); // Function. |
2688 __ Push(rdx); // Receiver. | 2688 __ Push(rdx); // Receiver. |
2689 | 2689 |
2690 // If fast case code has been generated, emit code to push the function | 2690 // If fast case code has been generated, emit code to push the function |
2691 // and receiver and have the slow path jump around this code. | 2691 // and receiver and have the slow path jump around this code. |
2692 if (done.is_linked()) { | 2692 if (done.is_linked()) { |
2693 Label call; | 2693 Label call; |
2694 __ jmp(&call, Label::kNear); | 2694 __ jmp(&call, Label::kNear); |
2695 __ bind(&done); | 2695 __ bind(&done); |
2696 // Push function. | 2696 // Push function. |
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3308 __ bind(&runtime); | 3308 __ bind(&runtime); |
3309 __ PrepareCallCFunction(2); | 3309 __ PrepareCallCFunction(2); |
3310 __ movp(arg_reg_1, object); | 3310 __ movp(arg_reg_1, object); |
3311 __ Move(arg_reg_2, index, Assembler::RelocInfoNone()); | 3311 __ Move(arg_reg_2, index, Assembler::RelocInfoNone()); |
3312 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); | 3312 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); |
3313 __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); | 3313 __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); |
3314 __ jmp(&done); | 3314 __ jmp(&done); |
3315 } | 3315 } |
3316 | 3316 |
3317 __ bind(¬_date_object); | 3317 __ bind(¬_date_object); |
3318 __ CallRuntime(Runtime::kHiddenThrowNotDateError, 0); | 3318 __ CallRuntime(Runtime::kThrowNotDateError, 0); |
3319 __ bind(&done); | 3319 __ bind(&done); |
3320 context()->Plug(rax); | 3320 context()->Plug(rax); |
3321 } | 3321 } |
3322 | 3322 |
3323 | 3323 |
3324 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { | 3324 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { |
3325 ZoneList<Expression*>* args = expr->arguments(); | 3325 ZoneList<Expression*>* args = expr->arguments(); |
3326 ASSERT_EQ(3, args->length()); | 3326 ASSERT_EQ(3, args->length()); |
3327 | 3327 |
3328 Register string = rax; | 3328 Register string = rax; |
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3668 __ movp(rax, FieldOperand(cache, | 3668 __ movp(rax, FieldOperand(cache, |
3669 index.reg, | 3669 index.reg, |
3670 index.scale, | 3670 index.scale, |
3671 FixedArray::kHeaderSize + kPointerSize)); | 3671 FixedArray::kHeaderSize + kPointerSize)); |
3672 __ jmp(&done, Label::kNear); | 3672 __ jmp(&done, Label::kNear); |
3673 | 3673 |
3674 __ bind(¬_found); | 3674 __ bind(¬_found); |
3675 // Call runtime to perform the lookup. | 3675 // Call runtime to perform the lookup. |
3676 __ Push(cache); | 3676 __ Push(cache); |
3677 __ Push(key); | 3677 __ Push(key); |
3678 __ CallRuntime(Runtime::kHiddenGetFromCache, 2); | 3678 __ CallRuntime(Runtime::kGetFromCache, 2); |
3679 | 3679 |
3680 __ bind(&done); | 3680 __ bind(&done); |
3681 context()->Plug(rax); | 3681 context()->Plug(rax); |
3682 } | 3682 } |
3683 | 3683 |
3684 | 3684 |
3685 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { | 3685 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { |
3686 ZoneList<Expression*>* args = expr->arguments(); | 3686 ZoneList<Expression*>* args = expr->arguments(); |
3687 ASSERT(args->length() == 1); | 3687 ASSERT(args->length() == 1); |
3688 | 3688 |
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4097 } else if (var->IsStackAllocated() || var->IsContextSlot()) { | 4097 } else if (var->IsStackAllocated() || var->IsContextSlot()) { |
4098 // Result of deleting non-global variables is false. 'this' is | 4098 // Result of deleting non-global variables is false. 'this' is |
4099 // not really a variable, though we implement it as one. The | 4099 // not really a variable, though we implement it as one. The |
4100 // subexpression does not have side effects. | 4100 // subexpression does not have side effects. |
4101 context()->Plug(var->is_this()); | 4101 context()->Plug(var->is_this()); |
4102 } else { | 4102 } else { |
4103 // Non-global variable. Call the runtime to try to delete from the | 4103 // Non-global variable. Call the runtime to try to delete from the |
4104 // context where the variable was introduced. | 4104 // context where the variable was introduced. |
4105 __ Push(context_register()); | 4105 __ Push(context_register()); |
4106 __ Push(var->name()); | 4106 __ Push(var->name()); |
4107 __ CallRuntime(Runtime::kHiddenDeleteContextSlot, 2); | 4107 __ CallRuntime(Runtime::kDeleteContextSlot, 2); |
4108 context()->Plug(rax); | 4108 context()->Plug(rax); |
4109 } | 4109 } |
4110 } else { | 4110 } else { |
4111 // Result of deleting non-property, non-variable reference is true. | 4111 // Result of deleting non-property, non-variable reference is true. |
4112 // The subexpression may have side effects. | 4112 // The subexpression may have side effects. |
4113 VisitForEffect(expr->expression()); | 4113 VisitForEffect(expr->expression()); |
4114 context()->Plug(true); | 4114 context()->Plug(true); |
4115 } | 4115 } |
4116 break; | 4116 break; |
4117 } | 4117 } |
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4384 Comment cmnt(masm_, "[ Lookup slot"); | 4384 Comment cmnt(masm_, "[ Lookup slot"); |
4385 Label done, slow; | 4385 Label done, slow; |
4386 | 4386 |
4387 // Generate code for loading from variables potentially shadowed | 4387 // Generate code for loading from variables potentially shadowed |
4388 // by eval-introduced variables. | 4388 // by eval-introduced variables. |
4389 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); | 4389 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); |
4390 | 4390 |
4391 __ bind(&slow); | 4391 __ bind(&slow); |
4392 __ Push(rsi); | 4392 __ Push(rsi); |
4393 __ Push(proxy->name()); | 4393 __ Push(proxy->name()); |
4394 __ CallRuntime(Runtime::kHiddenLoadContextSlotNoReferenceError, 2); | 4394 __ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2); |
4395 PrepareForBailout(expr, TOS_REG); | 4395 PrepareForBailout(expr, TOS_REG); |
4396 __ bind(&done); | 4396 __ bind(&done); |
4397 | 4397 |
4398 context()->Plug(rax); | 4398 context()->Plug(rax); |
4399 } else { | 4399 } else { |
4400 // This expression cannot throw a reference error at the top level. | 4400 // This expression cannot throw a reference error at the top level. |
4401 VisitInDuplicateContext(expr); | 4401 VisitInDuplicateContext(expr); |
4402 } | 4402 } |
4403 } | 4403 } |
4404 | 4404 |
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4804 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4804 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4805 Assembler::target_address_at(call_target_address, | 4805 Assembler::target_address_at(call_target_address, |
4806 unoptimized_code)); | 4806 unoptimized_code)); |
4807 return OSR_AFTER_STACK_CHECK; | 4807 return OSR_AFTER_STACK_CHECK; |
4808 } | 4808 } |
4809 | 4809 |
4810 | 4810 |
4811 } } // namespace v8::internal | 4811 } } // namespace v8::internal |
4812 | 4812 |
4813 #endif // V8_TARGET_ARCH_X64 | 4813 #endif // V8_TARGET_ARCH_X64 |
OLD | NEW |