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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-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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183 | 183 |
184 // Possibly allocate a local context. | 184 // Possibly allocate a local context. |
185 int heap_slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 185 int heap_slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
186 if (heap_slots > 0) { | 186 if (heap_slots > 0) { |
187 Comment cmnt(masm_, "[ Allocate context"); | 187 Comment cmnt(masm_, "[ Allocate context"); |
188 bool need_write_barrier = true; | 188 bool need_write_barrier = true; |
189 // Argument to NewContext is the function, which is still in edi. | 189 // Argument to NewContext is the function, which is still in edi. |
190 if (FLAG_harmony_scoping && info->scope()->is_global_scope()) { | 190 if (FLAG_harmony_scoping && info->scope()->is_global_scope()) { |
191 __ push(edi); | 191 __ push(edi); |
192 __ Push(info->scope()->GetScopeInfo()); | 192 __ Push(info->scope()->GetScopeInfo()); |
193 __ CallRuntime(Runtime::kHiddenNewGlobalContext, 2); | 193 __ CallRuntime(Runtime::kNewGlobalContext, 2); |
194 } else if (heap_slots <= FastNewContextStub::kMaximumSlots) { | 194 } else if (heap_slots <= FastNewContextStub::kMaximumSlots) { |
195 FastNewContextStub stub(isolate(), heap_slots); | 195 FastNewContextStub stub(isolate(), heap_slots); |
196 __ CallStub(&stub); | 196 __ CallStub(&stub); |
197 // Result of FastNewContextStub is always in new space. | 197 // Result of FastNewContextStub is always in new space. |
198 need_write_barrier = false; | 198 need_write_barrier = false; |
199 } else { | 199 } else { |
200 __ push(edi); | 200 __ push(edi); |
201 __ CallRuntime(Runtime::kHiddenNewFunctionContext, 1); | 201 __ CallRuntime(Runtime::kNewFunctionContext, 1); |
202 } | 202 } |
203 function_in_register = false; | 203 function_in_register = false; |
204 // Context is returned in eax. It replaces the context passed to us. | 204 // Context is returned in eax. It replaces the context passed to us. |
205 // It's saved in the stack and kept live in esi. | 205 // It's saved in the stack and kept live in esi. |
206 __ mov(esi, eax); | 206 __ mov(esi, eax); |
207 __ mov(Operand(ebp, StandardFrameConstants::kContextOffset), eax); | 207 __ mov(Operand(ebp, StandardFrameConstants::kContextOffset), eax); |
208 | 208 |
209 // Copy parameters into context if necessary. | 209 // Copy parameters into context if necessary. |
210 int num_parameters = info->scope()->num_parameters(); | 210 int num_parameters = info->scope()->num_parameters(); |
211 for (int i = 0; i < num_parameters; i++) { | 211 for (int i = 0; i < num_parameters; i++) { |
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794 __ push(Immediate(Smi::FromInt(attr))); | 794 __ push(Immediate(Smi::FromInt(attr))); |
795 // Push initial value, if any. | 795 // Push initial value, if any. |
796 // Note: For variables we must not push an initial value (such as | 796 // Note: For variables we must not push an initial value (such as |
797 // 'undefined') because we may have a (legal) redeclaration and we | 797 // 'undefined') because we may have a (legal) redeclaration and we |
798 // must not destroy the current value. | 798 // must not destroy the current value. |
799 if (hole_init) { | 799 if (hole_init) { |
800 __ push(Immediate(isolate()->factory()->the_hole_value())); | 800 __ push(Immediate(isolate()->factory()->the_hole_value())); |
801 } else { | 801 } else { |
802 __ push(Immediate(Smi::FromInt(0))); // Indicates no initial value. | 802 __ push(Immediate(Smi::FromInt(0))); // Indicates no initial value. |
803 } | 803 } |
804 __ CallRuntime(Runtime::kHiddenDeclareContextSlot, 4); | 804 __ CallRuntime(Runtime::kDeclareContextSlot, 4); |
805 break; | 805 break; |
806 } | 806 } |
807 } | 807 } |
808 } | 808 } |
809 | 809 |
810 | 810 |
811 void FullCodeGenerator::VisitFunctionDeclaration( | 811 void FullCodeGenerator::VisitFunctionDeclaration( |
812 FunctionDeclaration* declaration) { | 812 FunctionDeclaration* declaration) { |
813 VariableProxy* proxy = declaration->proxy(); | 813 VariableProxy* proxy = declaration->proxy(); |
814 Variable* variable = proxy->var(); | 814 Variable* variable = proxy->var(); |
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846 PrepareForBailoutForId(proxy->id(), NO_REGISTERS); | 846 PrepareForBailoutForId(proxy->id(), NO_REGISTERS); |
847 break; | 847 break; |
848 } | 848 } |
849 | 849 |
850 case Variable::LOOKUP: { | 850 case Variable::LOOKUP: { |
851 Comment cmnt(masm_, "[ FunctionDeclaration"); | 851 Comment cmnt(masm_, "[ FunctionDeclaration"); |
852 __ push(esi); | 852 __ push(esi); |
853 __ push(Immediate(variable->name())); | 853 __ push(Immediate(variable->name())); |
854 __ push(Immediate(Smi::FromInt(NONE))); | 854 __ push(Immediate(Smi::FromInt(NONE))); |
855 VisitForStackValue(declaration->fun()); | 855 VisitForStackValue(declaration->fun()); |
856 __ CallRuntime(Runtime::kHiddenDeclareContextSlot, 4); | 856 __ CallRuntime(Runtime::kDeclareContextSlot, 4); |
857 break; | 857 break; |
858 } | 858 } |
859 } | 859 } |
860 } | 860 } |
861 | 861 |
862 | 862 |
863 void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) { | 863 void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) { |
864 Variable* variable = declaration->proxy()->var(); | 864 Variable* variable = declaration->proxy()->var(); |
865 ASSERT(variable->location() == Variable::CONTEXT); | 865 ASSERT(variable->location() == Variable::CONTEXT); |
866 ASSERT(variable->interface()->IsFrozen()); | 866 ASSERT(variable->interface()->IsFrozen()); |
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915 void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) { | 915 void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) { |
916 // TODO(rossberg) | 916 // TODO(rossberg) |
917 } | 917 } |
918 | 918 |
919 | 919 |
920 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) { | 920 void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) { |
921 // Call the runtime to declare the globals. | 921 // Call the runtime to declare the globals. |
922 __ push(esi); // The context is the first argument. | 922 __ push(esi); // The context is the first argument. |
923 __ Push(pairs); | 923 __ Push(pairs); |
924 __ Push(Smi::FromInt(DeclareGlobalsFlags())); | 924 __ Push(Smi::FromInt(DeclareGlobalsFlags())); |
925 __ CallRuntime(Runtime::kHiddenDeclareGlobals, 3); | 925 __ CallRuntime(Runtime::kDeclareGlobals, 3); |
926 // Return value is ignored. | 926 // Return value is ignored. |
927 } | 927 } |
928 | 928 |
929 | 929 |
930 void FullCodeGenerator::DeclareModules(Handle<FixedArray> descriptions) { | 930 void FullCodeGenerator::DeclareModules(Handle<FixedArray> descriptions) { |
931 // Call the runtime to declare the modules. | 931 // Call the runtime to declare the modules. |
932 __ Push(descriptions); | 932 __ Push(descriptions); |
933 __ CallRuntime(Runtime::kHiddenDeclareModules, 1); | 933 __ CallRuntime(Runtime::kDeclareModules, 1); |
934 // Return value is ignored. | 934 // Return value is ignored. |
935 } | 935 } |
936 | 936 |
937 | 937 |
938 void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) { | 938 void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) { |
939 Comment cmnt(masm_, "[ SwitchStatement"); | 939 Comment cmnt(masm_, "[ SwitchStatement"); |
940 Breakable nested_statement(this, stmt); | 940 Breakable nested_statement(this, stmt); |
941 SetStatementPosition(stmt); | 941 SetStatementPosition(stmt); |
942 | 942 |
943 // Keep the switch value on the stack until a case matches. | 943 // Keep the switch value on the stack until a case matches. |
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1265 info->strict_mode(), | 1265 info->strict_mode(), |
1266 info->is_generator()); | 1266 info->is_generator()); |
1267 __ mov(ebx, Immediate(info)); | 1267 __ mov(ebx, Immediate(info)); |
1268 __ CallStub(&stub); | 1268 __ CallStub(&stub); |
1269 } else { | 1269 } else { |
1270 __ push(esi); | 1270 __ push(esi); |
1271 __ push(Immediate(info)); | 1271 __ push(Immediate(info)); |
1272 __ push(Immediate(pretenure | 1272 __ push(Immediate(pretenure |
1273 ? isolate()->factory()->true_value() | 1273 ? isolate()->factory()->true_value() |
1274 : isolate()->factory()->false_value())); | 1274 : isolate()->factory()->false_value())); |
1275 __ CallRuntime(Runtime::kHiddenNewClosure, 3); | 1275 __ CallRuntime(Runtime::kNewClosure, 3); |
1276 } | 1276 } |
1277 context()->Plug(eax); | 1277 context()->Plug(eax); |
1278 } | 1278 } |
1279 | 1279 |
1280 | 1280 |
1281 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { | 1281 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { |
1282 Comment cmnt(masm_, "[ VariableProxy"); | 1282 Comment cmnt(masm_, "[ VariableProxy"); |
1283 EmitVariableLoad(expr); | 1283 EmitVariableLoad(expr); |
1284 } | 1284 } |
1285 | 1285 |
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1390 Variable* local = var->local_if_not_shadowed(); | 1390 Variable* local = var->local_if_not_shadowed(); |
1391 __ mov(eax, ContextSlotOperandCheckExtensions(local, slow)); | 1391 __ mov(eax, ContextSlotOperandCheckExtensions(local, slow)); |
1392 if (local->mode() == LET || local->mode() == CONST || | 1392 if (local->mode() == LET || local->mode() == CONST || |
1393 local->mode() == CONST_LEGACY) { | 1393 local->mode() == CONST_LEGACY) { |
1394 __ cmp(eax, isolate()->factory()->the_hole_value()); | 1394 __ cmp(eax, isolate()->factory()->the_hole_value()); |
1395 __ j(not_equal, done); | 1395 __ j(not_equal, done); |
1396 if (local->mode() == CONST_LEGACY) { | 1396 if (local->mode() == CONST_LEGACY) { |
1397 __ mov(eax, isolate()->factory()->undefined_value()); | 1397 __ mov(eax, isolate()->factory()->undefined_value()); |
1398 } else { // LET || CONST | 1398 } else { // LET || CONST |
1399 __ push(Immediate(var->name())); | 1399 __ push(Immediate(var->name())); |
1400 __ CallRuntime(Runtime::kHiddenThrowReferenceError, 1); | 1400 __ CallRuntime(Runtime::kThrowReferenceError, 1); |
1401 } | 1401 } |
1402 } | 1402 } |
1403 __ jmp(done); | 1403 __ jmp(done); |
1404 } | 1404 } |
1405 } | 1405 } |
1406 | 1406 |
1407 | 1407 |
1408 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) { | 1408 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) { |
1409 // Record position before possible IC call. | 1409 // Record position before possible IC call. |
1410 SetSourcePosition(proxy->position()); | 1410 SetSourcePosition(proxy->position()); |
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1467 if (!skip_init_check) { | 1467 if (!skip_init_check) { |
1468 // Let and const need a read barrier. | 1468 // Let and const need a read barrier. |
1469 Label done; | 1469 Label done; |
1470 GetVar(eax, var); | 1470 GetVar(eax, var); |
1471 __ cmp(eax, isolate()->factory()->the_hole_value()); | 1471 __ cmp(eax, isolate()->factory()->the_hole_value()); |
1472 __ j(not_equal, &done, Label::kNear); | 1472 __ j(not_equal, &done, Label::kNear); |
1473 if (var->mode() == LET || var->mode() == CONST) { | 1473 if (var->mode() == LET || var->mode() == CONST) { |
1474 // Throw a reference error when using an uninitialized let/const | 1474 // Throw a reference error when using an uninitialized let/const |
1475 // binding in harmony mode. | 1475 // binding in harmony mode. |
1476 __ push(Immediate(var->name())); | 1476 __ push(Immediate(var->name())); |
1477 __ CallRuntime(Runtime::kHiddenThrowReferenceError, 1); | 1477 __ CallRuntime(Runtime::kThrowReferenceError, 1); |
1478 } else { | 1478 } else { |
1479 // Uninitalized const bindings outside of harmony mode are unholed. | 1479 // Uninitalized const bindings outside of harmony mode are unholed. |
1480 ASSERT(var->mode() == CONST_LEGACY); | 1480 ASSERT(var->mode() == CONST_LEGACY); |
1481 __ mov(eax, isolate()->factory()->undefined_value()); | 1481 __ mov(eax, isolate()->factory()->undefined_value()); |
1482 } | 1482 } |
1483 __ bind(&done); | 1483 __ bind(&done); |
1484 context()->Plug(eax); | 1484 context()->Plug(eax); |
1485 break; | 1485 break; |
1486 } | 1486 } |
1487 } | 1487 } |
1488 context()->Plug(var); | 1488 context()->Plug(var); |
1489 break; | 1489 break; |
1490 } | 1490 } |
1491 | 1491 |
1492 case Variable::LOOKUP: { | 1492 case Variable::LOOKUP: { |
1493 Comment cmnt(masm_, "[ Lookup variable"); | 1493 Comment cmnt(masm_, "[ Lookup variable"); |
1494 Label done, slow; | 1494 Label done, slow; |
1495 // Generate code for loading from variables potentially shadowed | 1495 // Generate code for loading from variables potentially shadowed |
1496 // by eval-introduced variables. | 1496 // by eval-introduced variables. |
1497 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); | 1497 EmitDynamicLookupFastCase(var, NOT_INSIDE_TYPEOF, &slow, &done); |
1498 __ bind(&slow); | 1498 __ bind(&slow); |
1499 __ push(esi); // Context. | 1499 __ push(esi); // Context. |
1500 __ push(Immediate(var->name())); | 1500 __ push(Immediate(var->name())); |
1501 __ CallRuntime(Runtime::kHiddenLoadContextSlot, 2); | 1501 __ CallRuntime(Runtime::kLoadContextSlot, 2); |
1502 __ bind(&done); | 1502 __ bind(&done); |
1503 context()->Plug(eax); | 1503 context()->Plug(eax); |
1504 break; | 1504 break; |
1505 } | 1505 } |
1506 } | 1506 } |
1507 } | 1507 } |
1508 | 1508 |
1509 | 1509 |
1510 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { | 1510 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { |
1511 Comment cmnt(masm_, "[ RegExpLiteral"); | 1511 Comment cmnt(masm_, "[ RegExpLiteral"); |
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1522 __ mov(ebx, FieldOperand(ecx, literal_offset)); | 1522 __ mov(ebx, FieldOperand(ecx, literal_offset)); |
1523 __ cmp(ebx, isolate()->factory()->undefined_value()); | 1523 __ cmp(ebx, isolate()->factory()->undefined_value()); |
1524 __ j(not_equal, &materialized, Label::kNear); | 1524 __ j(not_equal, &materialized, Label::kNear); |
1525 | 1525 |
1526 // Create regexp literal using runtime function | 1526 // Create regexp literal using runtime function |
1527 // Result will be in eax. | 1527 // Result will be in eax. |
1528 __ push(ecx); | 1528 __ push(ecx); |
1529 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | 1529 __ push(Immediate(Smi::FromInt(expr->literal_index()))); |
1530 __ push(Immediate(expr->pattern())); | 1530 __ push(Immediate(expr->pattern())); |
1531 __ push(Immediate(expr->flags())); | 1531 __ push(Immediate(expr->flags())); |
1532 __ CallRuntime(Runtime::kHiddenMaterializeRegExpLiteral, 4); | 1532 __ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4); |
1533 __ mov(ebx, eax); | 1533 __ mov(ebx, eax); |
1534 | 1534 |
1535 __ bind(&materialized); | 1535 __ bind(&materialized); |
1536 int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize; | 1536 int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize; |
1537 Label allocated, runtime_allocate; | 1537 Label allocated, runtime_allocate; |
1538 __ Allocate(size, eax, ecx, edx, &runtime_allocate, TAG_OBJECT); | 1538 __ Allocate(size, eax, ecx, edx, &runtime_allocate, TAG_OBJECT); |
1539 __ jmp(&allocated); | 1539 __ jmp(&allocated); |
1540 | 1540 |
1541 __ bind(&runtime_allocate); | 1541 __ bind(&runtime_allocate); |
1542 __ push(ebx); | 1542 __ push(ebx); |
1543 __ push(Immediate(Smi::FromInt(size))); | 1543 __ push(Immediate(Smi::FromInt(size))); |
1544 __ CallRuntime(Runtime::kHiddenAllocateInNewSpace, 1); | 1544 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); |
1545 __ pop(ebx); | 1545 __ pop(ebx); |
1546 | 1546 |
1547 __ bind(&allocated); | 1547 __ bind(&allocated); |
1548 // Copy the content into the newly allocated memory. | 1548 // Copy the content into the newly allocated memory. |
1549 // (Unroll copy loop once for better throughput). | 1549 // (Unroll copy loop once for better throughput). |
1550 for (int i = 0; i < size - kPointerSize; i += 2 * kPointerSize) { | 1550 for (int i = 0; i < size - kPointerSize; i += 2 * kPointerSize) { |
1551 __ mov(edx, FieldOperand(ebx, i)); | 1551 __ mov(edx, FieldOperand(ebx, i)); |
1552 __ mov(ecx, FieldOperand(ebx, i + kPointerSize)); | 1552 __ mov(ecx, FieldOperand(ebx, i + kPointerSize)); |
1553 __ mov(FieldOperand(eax, i), edx); | 1553 __ mov(FieldOperand(eax, i), edx); |
1554 __ mov(FieldOperand(eax, i + kPointerSize), ecx); | 1554 __ mov(FieldOperand(eax, i + kPointerSize), ecx); |
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1584 int properties_count = constant_properties->length() / 2; | 1584 int properties_count = constant_properties->length() / 2; |
1585 if (expr->may_store_doubles() || expr->depth() > 1 || | 1585 if (expr->may_store_doubles() || expr->depth() > 1 || |
1586 masm()->serializer_enabled() || | 1586 masm()->serializer_enabled() || |
1587 flags != ObjectLiteral::kFastElements || | 1587 flags != ObjectLiteral::kFastElements || |
1588 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { | 1588 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { |
1589 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1589 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1590 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); | 1590 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); |
1591 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | 1591 __ push(Immediate(Smi::FromInt(expr->literal_index()))); |
1592 __ push(Immediate(constant_properties)); | 1592 __ push(Immediate(constant_properties)); |
1593 __ push(Immediate(Smi::FromInt(flags))); | 1593 __ push(Immediate(Smi::FromInt(flags))); |
1594 __ CallRuntime(Runtime::kHiddenCreateObjectLiteral, 4); | 1594 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); |
1595 } else { | 1595 } else { |
1596 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1596 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1597 __ mov(eax, FieldOperand(edi, JSFunction::kLiteralsOffset)); | 1597 __ mov(eax, FieldOperand(edi, JSFunction::kLiteralsOffset)); |
1598 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); | 1598 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); |
1599 __ mov(ecx, Immediate(constant_properties)); | 1599 __ mov(ecx, Immediate(constant_properties)); |
1600 __ mov(edx, Immediate(Smi::FromInt(flags))); | 1600 __ mov(edx, Immediate(Smi::FromInt(flags))); |
1601 FastCloneShallowObjectStub stub(isolate(), properties_count); | 1601 FastCloneShallowObjectStub stub(isolate(), properties_count); |
1602 __ CallStub(&stub); | 1602 __ CallStub(&stub); |
1603 } | 1603 } |
1604 | 1604 |
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1721 // we can turn it off if we don't have anywhere else to transition to. | 1721 // we can turn it off if we don't have anywhere else to transition to. |
1722 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; | 1722 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; |
1723 } | 1723 } |
1724 | 1724 |
1725 if (expr->depth() > 1 || length > JSObject::kInitialMaxFastElementArray) { | 1725 if (expr->depth() > 1 || length > JSObject::kInitialMaxFastElementArray) { |
1726 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1726 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1727 __ push(FieldOperand(ebx, JSFunction::kLiteralsOffset)); | 1727 __ push(FieldOperand(ebx, JSFunction::kLiteralsOffset)); |
1728 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | 1728 __ push(Immediate(Smi::FromInt(expr->literal_index()))); |
1729 __ push(Immediate(constant_elements)); | 1729 __ push(Immediate(constant_elements)); |
1730 __ push(Immediate(Smi::FromInt(flags))); | 1730 __ push(Immediate(Smi::FromInt(flags))); |
1731 __ CallRuntime(Runtime::kHiddenCreateArrayLiteral, 4); | 1731 __ CallRuntime(Runtime::kCreateArrayLiteral, 4); |
1732 } else { | 1732 } else { |
1733 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1733 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1734 __ mov(eax, FieldOperand(ebx, JSFunction::kLiteralsOffset)); | 1734 __ mov(eax, FieldOperand(ebx, JSFunction::kLiteralsOffset)); |
1735 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); | 1735 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); |
1736 __ mov(ecx, Immediate(constant_elements)); | 1736 __ mov(ecx, Immediate(constant_elements)); |
1737 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); | 1737 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); |
1738 __ CallStub(&stub); | 1738 __ CallStub(&stub); |
1739 } | 1739 } |
1740 | 1740 |
1741 bool result_saved = false; // Is the result saved to the stack? | 1741 bool result_saved = false; // Is the result saved to the stack? |
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1921 ASSERT(continuation.pos() > 0 && Smi::IsValid(continuation.pos())); | 1921 ASSERT(continuation.pos() > 0 && Smi::IsValid(continuation.pos())); |
1922 __ mov(FieldOperand(eax, JSGeneratorObject::kContinuationOffset), | 1922 __ mov(FieldOperand(eax, JSGeneratorObject::kContinuationOffset), |
1923 Immediate(Smi::FromInt(continuation.pos()))); | 1923 Immediate(Smi::FromInt(continuation.pos()))); |
1924 __ mov(FieldOperand(eax, JSGeneratorObject::kContextOffset), esi); | 1924 __ mov(FieldOperand(eax, JSGeneratorObject::kContextOffset), esi); |
1925 __ mov(ecx, esi); | 1925 __ mov(ecx, esi); |
1926 __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx); | 1926 __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx); |
1927 __ lea(ebx, Operand(ebp, StandardFrameConstants::kExpressionsOffset)); | 1927 __ lea(ebx, Operand(ebp, StandardFrameConstants::kExpressionsOffset)); |
1928 __ cmp(esp, ebx); | 1928 __ cmp(esp, ebx); |
1929 __ j(equal, &post_runtime); | 1929 __ j(equal, &post_runtime); |
1930 __ push(eax); // generator object | 1930 __ push(eax); // generator object |
1931 __ CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject, 1); | 1931 __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); |
1932 __ mov(context_register(), | 1932 __ mov(context_register(), |
1933 Operand(ebp, StandardFrameConstants::kContextOffset)); | 1933 Operand(ebp, StandardFrameConstants::kContextOffset)); |
1934 __ bind(&post_runtime); | 1934 __ bind(&post_runtime); |
1935 __ pop(result_register()); | 1935 __ pop(result_register()); |
1936 EmitReturnSequence(); | 1936 EmitReturnSequence(); |
1937 | 1937 |
1938 __ bind(&resume); | 1938 __ bind(&resume); |
1939 context()->Plug(result_register()); | 1939 context()->Plug(result_register()); |
1940 break; | 1940 break; |
1941 } | 1941 } |
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1988 __ bind(&l_suspend); | 1988 __ bind(&l_suspend); |
1989 const int generator_object_depth = kPointerSize + handler_size; | 1989 const int generator_object_depth = kPointerSize + handler_size; |
1990 __ mov(eax, Operand(esp, generator_object_depth)); | 1990 __ mov(eax, Operand(esp, generator_object_depth)); |
1991 __ push(eax); // g | 1991 __ push(eax); // g |
1992 ASSERT(l_continuation.pos() > 0 && Smi::IsValid(l_continuation.pos())); | 1992 ASSERT(l_continuation.pos() > 0 && Smi::IsValid(l_continuation.pos())); |
1993 __ mov(FieldOperand(eax, JSGeneratorObject::kContinuationOffset), | 1993 __ mov(FieldOperand(eax, JSGeneratorObject::kContinuationOffset), |
1994 Immediate(Smi::FromInt(l_continuation.pos()))); | 1994 Immediate(Smi::FromInt(l_continuation.pos()))); |
1995 __ mov(FieldOperand(eax, JSGeneratorObject::kContextOffset), esi); | 1995 __ mov(FieldOperand(eax, JSGeneratorObject::kContextOffset), esi); |
1996 __ mov(ecx, esi); | 1996 __ mov(ecx, esi); |
1997 __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx); | 1997 __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx); |
1998 __ CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject, 1); | 1998 __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); |
1999 __ mov(context_register(), | 1999 __ mov(context_register(), |
2000 Operand(ebp, StandardFrameConstants::kContextOffset)); | 2000 Operand(ebp, StandardFrameConstants::kContextOffset)); |
2001 __ pop(eax); // result | 2001 __ pop(eax); // result |
2002 EmitReturnSequence(); | 2002 EmitReturnSequence(); |
2003 __ bind(&l_resume); // received in eax | 2003 __ bind(&l_resume); // received in eax |
2004 __ PopTryHandler(); | 2004 __ PopTryHandler(); |
2005 | 2005 |
2006 // receiver = iter; f = iter.next; arg = received; | 2006 // receiver = iter; f = iter.next; arg = received; |
2007 __ bind(&l_next); | 2007 __ bind(&l_next); |
2008 __ mov(ecx, isolate()->factory()->next_string()); // "next" | 2008 __ mov(ecx, isolate()->factory()->next_string()); // "next" |
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2042 break; | 2042 break; |
2043 } | 2043 } |
2044 } | 2044 } |
2045 } | 2045 } |
2046 | 2046 |
2047 | 2047 |
2048 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, | 2048 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, |
2049 Expression *value, | 2049 Expression *value, |
2050 JSGeneratorObject::ResumeMode resume_mode) { | 2050 JSGeneratorObject::ResumeMode resume_mode) { |
2051 // The value stays in eax, and is ultimately read by the resumed generator, as | 2051 // The value stays in eax, and is ultimately read by the resumed generator, as |
2052 // if CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject) returned it. Or it | 2052 // if CallRuntime(Runtime::kSuspendJSGeneratorObject) returned it. Or it |
2053 // is read to throw the value when the resumed generator is already closed. | 2053 // is read to throw the value when the resumed generator is already closed. |
2054 // ebx will hold the generator object until the activation has been resumed. | 2054 // ebx will hold the generator object until the activation has been resumed. |
2055 VisitForStackValue(generator); | 2055 VisitForStackValue(generator); |
2056 VisitForAccumulatorValue(value); | 2056 VisitForAccumulatorValue(value); |
2057 __ pop(ebx); | 2057 __ pop(ebx); |
2058 | 2058 |
2059 // Check generator state. | 2059 // Check generator state. |
2060 Label wrong_state, closed_state, done; | 2060 Label wrong_state, closed_state, done; |
2061 STATIC_ASSERT(JSGeneratorObject::kGeneratorExecuting < 0); | 2061 STATIC_ASSERT(JSGeneratorObject::kGeneratorExecuting < 0); |
2062 STATIC_ASSERT(JSGeneratorObject::kGeneratorClosed == 0); | 2062 STATIC_ASSERT(JSGeneratorObject::kGeneratorClosed == 0); |
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2122 Label push_operand_holes, call_resume; | 2122 Label push_operand_holes, call_resume; |
2123 __ bind(&push_operand_holes); | 2123 __ bind(&push_operand_holes); |
2124 __ sub(edx, Immediate(1)); | 2124 __ sub(edx, Immediate(1)); |
2125 __ j(carry, &call_resume); | 2125 __ j(carry, &call_resume); |
2126 __ push(ecx); | 2126 __ push(ecx); |
2127 __ jmp(&push_operand_holes); | 2127 __ jmp(&push_operand_holes); |
2128 __ bind(&call_resume); | 2128 __ bind(&call_resume); |
2129 __ push(ebx); | 2129 __ push(ebx); |
2130 __ push(result_register()); | 2130 __ push(result_register()); |
2131 __ Push(Smi::FromInt(resume_mode)); | 2131 __ Push(Smi::FromInt(resume_mode)); |
2132 __ CallRuntime(Runtime::kHiddenResumeJSGeneratorObject, 3); | 2132 __ CallRuntime(Runtime::kResumeJSGeneratorObject, 3); |
2133 // Not reached: the runtime call returns elsewhere. | 2133 // Not reached: the runtime call returns elsewhere. |
2134 __ Abort(kGeneratorFailedToResume); | 2134 __ Abort(kGeneratorFailedToResume); |
2135 | 2135 |
2136 // Reach here when generator is closed. | 2136 // Reach here when generator is closed. |
2137 __ bind(&closed_state); | 2137 __ bind(&closed_state); |
2138 if (resume_mode == JSGeneratorObject::NEXT) { | 2138 if (resume_mode == JSGeneratorObject::NEXT) { |
2139 // Return completed iterator result when generator is closed. | 2139 // Return completed iterator result when generator is closed. |
2140 __ push(Immediate(isolate()->factory()->undefined_value())); | 2140 __ push(Immediate(isolate()->factory()->undefined_value())); |
2141 // Pop value from top-of-stack slot; box result into result register. | 2141 // Pop value from top-of-stack slot; box result into result register. |
2142 EmitCreateIteratorResult(true); | 2142 EmitCreateIteratorResult(true); |
2143 } else { | 2143 } else { |
2144 // Throw the provided value. | 2144 // Throw the provided value. |
2145 __ push(eax); | 2145 __ push(eax); |
2146 __ CallRuntime(Runtime::kHiddenThrow, 1); | 2146 __ CallRuntime(Runtime::kThrow, 1); |
2147 } | 2147 } |
2148 __ jmp(&done); | 2148 __ jmp(&done); |
2149 | 2149 |
2150 // Throw error if we attempt to operate on a running generator. | 2150 // Throw error if we attempt to operate on a running generator. |
2151 __ bind(&wrong_state); | 2151 __ bind(&wrong_state); |
2152 __ push(ebx); | 2152 __ push(ebx); |
2153 __ CallRuntime(Runtime::kHiddenThrowGeneratorStateError, 1); | 2153 __ CallRuntime(Runtime::kThrowGeneratorStateError, 1); |
2154 | 2154 |
2155 __ bind(&done); | 2155 __ bind(&done); |
2156 context()->Plug(result_register()); | 2156 context()->Plug(result_register()); |
2157 } | 2157 } |
2158 | 2158 |
2159 | 2159 |
2160 void FullCodeGenerator::EmitCreateIteratorResult(bool done) { | 2160 void FullCodeGenerator::EmitCreateIteratorResult(bool done) { |
2161 Label gc_required; | 2161 Label gc_required; |
2162 Label allocated; | 2162 Label allocated; |
2163 | 2163 |
2164 Handle<Map> map(isolate()->native_context()->iterator_result_map()); | 2164 Handle<Map> map(isolate()->native_context()->iterator_result_map()); |
2165 | 2165 |
2166 __ Allocate(map->instance_size(), eax, ecx, edx, &gc_required, TAG_OBJECT); | 2166 __ Allocate(map->instance_size(), eax, ecx, edx, &gc_required, TAG_OBJECT); |
2167 __ jmp(&allocated); | 2167 __ jmp(&allocated); |
2168 | 2168 |
2169 __ bind(&gc_required); | 2169 __ bind(&gc_required); |
2170 __ Push(Smi::FromInt(map->instance_size())); | 2170 __ Push(Smi::FromInt(map->instance_size())); |
2171 __ CallRuntime(Runtime::kHiddenAllocateInNewSpace, 1); | 2171 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); |
2172 __ mov(context_register(), | 2172 __ mov(context_register(), |
2173 Operand(ebp, StandardFrameConstants::kContextOffset)); | 2173 Operand(ebp, StandardFrameConstants::kContextOffset)); |
2174 | 2174 |
2175 __ bind(&allocated); | 2175 __ bind(&allocated); |
2176 __ mov(ebx, map); | 2176 __ mov(ebx, map); |
2177 __ pop(ecx); | 2177 __ pop(ecx); |
2178 __ mov(edx, isolate()->factory()->ToBoolean(done)); | 2178 __ mov(edx, isolate()->factory()->ToBoolean(done)); |
2179 ASSERT_EQ(map->instance_size(), 5 * kPointerSize); | 2179 ASSERT_EQ(map->instance_size(), 5 * kPointerSize); |
2180 __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx); | 2180 __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx); |
2181 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), | 2181 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), |
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2373 } | 2373 } |
2374 } | 2374 } |
2375 | 2375 |
2376 | 2376 |
2377 void FullCodeGenerator::EmitCallStoreContextSlot( | 2377 void FullCodeGenerator::EmitCallStoreContextSlot( |
2378 Handle<String> name, StrictMode strict_mode) { | 2378 Handle<String> name, StrictMode strict_mode) { |
2379 __ push(eax); // Value. | 2379 __ push(eax); // Value. |
2380 __ push(esi); // Context. | 2380 __ push(esi); // Context. |
2381 __ push(Immediate(name)); | 2381 __ push(Immediate(name)); |
2382 __ push(Immediate(Smi::FromInt(strict_mode))); | 2382 __ push(Immediate(Smi::FromInt(strict_mode))); |
2383 __ CallRuntime(Runtime::kHiddenStoreContextSlot, 4); | 2383 __ CallRuntime(Runtime::kStoreContextSlot, 4); |
2384 } | 2384 } |
2385 | 2385 |
2386 | 2386 |
2387 void FullCodeGenerator::EmitVariableAssignment(Variable* var, | 2387 void FullCodeGenerator::EmitVariableAssignment(Variable* var, |
2388 Token::Value op) { | 2388 Token::Value op) { |
2389 if (var->IsUnallocated()) { | 2389 if (var->IsUnallocated()) { |
2390 // Global var, const, or let. | 2390 // Global var, const, or let. |
2391 __ mov(ecx, var->name()); | 2391 __ mov(ecx, var->name()); |
2392 __ mov(edx, GlobalObjectOperand()); | 2392 __ mov(edx, GlobalObjectOperand()); |
2393 CallStoreIC(); | 2393 CallStoreIC(); |
2394 | 2394 |
2395 } else if (op == Token::INIT_CONST_LEGACY) { | 2395 } else if (op == Token::INIT_CONST_LEGACY) { |
2396 // Const initializers need a write barrier. | 2396 // Const initializers need a write barrier. |
2397 ASSERT(!var->IsParameter()); // No const parameters. | 2397 ASSERT(!var->IsParameter()); // No const parameters. |
2398 if (var->IsLookupSlot()) { | 2398 if (var->IsLookupSlot()) { |
2399 __ push(eax); | 2399 __ push(eax); |
2400 __ push(esi); | 2400 __ push(esi); |
2401 __ push(Immediate(var->name())); | 2401 __ push(Immediate(var->name())); |
2402 __ CallRuntime(Runtime::kHiddenInitializeConstContextSlot, 3); | 2402 __ CallRuntime(Runtime::kInitializeConstContextSlot, 3); |
2403 } else { | 2403 } else { |
2404 ASSERT(var->IsStackLocal() || var->IsContextSlot()); | 2404 ASSERT(var->IsStackLocal() || var->IsContextSlot()); |
2405 Label skip; | 2405 Label skip; |
2406 MemOperand location = VarOperand(var, ecx); | 2406 MemOperand location = VarOperand(var, ecx); |
2407 __ mov(edx, location); | 2407 __ mov(edx, location); |
2408 __ cmp(edx, isolate()->factory()->the_hole_value()); | 2408 __ cmp(edx, isolate()->factory()->the_hole_value()); |
2409 __ j(not_equal, &skip, Label::kNear); | 2409 __ j(not_equal, &skip, Label::kNear); |
2410 EmitStoreToStackLocalOrContextSlot(var, location); | 2410 EmitStoreToStackLocalOrContextSlot(var, location); |
2411 __ bind(&skip); | 2411 __ bind(&skip); |
2412 } | 2412 } |
2413 | 2413 |
2414 } else if (var->mode() == LET && op != Token::INIT_LET) { | 2414 } else if (var->mode() == LET && op != Token::INIT_LET) { |
2415 // Non-initializing assignment to let variable needs a write barrier. | 2415 // Non-initializing assignment to let variable needs a write barrier. |
2416 if (var->IsLookupSlot()) { | 2416 if (var->IsLookupSlot()) { |
2417 EmitCallStoreContextSlot(var->name(), strict_mode()); | 2417 EmitCallStoreContextSlot(var->name(), strict_mode()); |
2418 } else { | 2418 } else { |
2419 ASSERT(var->IsStackAllocated() || var->IsContextSlot()); | 2419 ASSERT(var->IsStackAllocated() || var->IsContextSlot()); |
2420 Label assign; | 2420 Label assign; |
2421 MemOperand location = VarOperand(var, ecx); | 2421 MemOperand location = VarOperand(var, ecx); |
2422 __ mov(edx, location); | 2422 __ mov(edx, location); |
2423 __ cmp(edx, isolate()->factory()->the_hole_value()); | 2423 __ cmp(edx, isolate()->factory()->the_hole_value()); |
2424 __ j(not_equal, &assign, Label::kNear); | 2424 __ j(not_equal, &assign, Label::kNear); |
2425 __ push(Immediate(var->name())); | 2425 __ push(Immediate(var->name())); |
2426 __ CallRuntime(Runtime::kHiddenThrowReferenceError, 1); | 2426 __ CallRuntime(Runtime::kThrowReferenceError, 1); |
2427 __ bind(&assign); | 2427 __ bind(&assign); |
2428 EmitStoreToStackLocalOrContextSlot(var, location); | 2428 EmitStoreToStackLocalOrContextSlot(var, location); |
2429 } | 2429 } |
2430 | 2430 |
2431 } else if (!var->is_const_mode() || op == Token::INIT_CONST) { | 2431 } else if (!var->is_const_mode() || op == Token::INIT_CONST) { |
2432 // Assignment to var or initializing assignment to let/const | 2432 // Assignment to var or initializing assignment to let/const |
2433 // in harmony mode. | 2433 // in harmony mode. |
2434 if (var->IsLookupSlot()) { | 2434 if (var->IsLookupSlot()) { |
2435 EmitCallStoreContextSlot(var->name(), strict_mode()); | 2435 EmitCallStoreContextSlot(var->name(), strict_mode()); |
2436 } else { | 2436 } else { |
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2610 | 2610 |
2611 // Push the receiver of the enclosing function. | 2611 // Push the receiver of the enclosing function. |
2612 __ push(Operand(ebp, (2 + info_->scope()->num_parameters()) * kPointerSize)); | 2612 __ push(Operand(ebp, (2 + info_->scope()->num_parameters()) * kPointerSize)); |
2613 // Push the language mode. | 2613 // Push the language mode. |
2614 __ push(Immediate(Smi::FromInt(strict_mode()))); | 2614 __ push(Immediate(Smi::FromInt(strict_mode()))); |
2615 | 2615 |
2616 // Push the start position of the scope the calls resides in. | 2616 // Push the start position of the scope the calls resides in. |
2617 __ push(Immediate(Smi::FromInt(scope()->start_position()))); | 2617 __ push(Immediate(Smi::FromInt(scope()->start_position()))); |
2618 | 2618 |
2619 // Do the runtime call. | 2619 // Do the runtime call. |
2620 __ CallRuntime(Runtime::kHiddenResolvePossiblyDirectEval, 5); | 2620 __ CallRuntime(Runtime::kResolvePossiblyDirectEval, 5); |
2621 } | 2621 } |
2622 | 2622 |
2623 | 2623 |
2624 void FullCodeGenerator::VisitCall(Call* expr) { | 2624 void FullCodeGenerator::VisitCall(Call* expr) { |
2625 #ifdef DEBUG | 2625 #ifdef DEBUG |
2626 // We want to verify that RecordJSReturnSite gets called on all paths | 2626 // We want to verify that RecordJSReturnSite gets called on all paths |
2627 // through this function. Avoid early returns. | 2627 // through this function. Avoid early returns. |
2628 expr->return_is_recorded_ = false; | 2628 expr->return_is_recorded_ = false; |
2629 #endif | 2629 #endif |
2630 | 2630 |
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2677 { PreservePositionScope scope(masm()->positions_recorder()); | 2677 { PreservePositionScope scope(masm()->positions_recorder()); |
2678 // Generate code for loading from variables potentially shadowed by | 2678 // Generate code for loading from variables potentially shadowed by |
2679 // eval-introduced variables. | 2679 // eval-introduced variables. |
2680 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); | 2680 EmitDynamicLookupFastCase(proxy->var(), NOT_INSIDE_TYPEOF, &slow, &done); |
2681 } | 2681 } |
2682 __ bind(&slow); | 2682 __ bind(&slow); |
2683 // Call the runtime to find the function to call (returned in eax) and | 2683 // Call the runtime to find the function to call (returned in eax) and |
2684 // the object holding it (returned in edx). | 2684 // the object holding it (returned in edx). |
2685 __ push(context_register()); | 2685 __ push(context_register()); |
2686 __ push(Immediate(proxy->name())); | 2686 __ push(Immediate(proxy->name())); |
2687 __ CallRuntime(Runtime::kHiddenLoadContextSlot, 2); | 2687 __ CallRuntime(Runtime::kLoadContextSlot, 2); |
2688 __ push(eax); // Function. | 2688 __ push(eax); // Function. |
2689 __ push(edx); // Receiver. | 2689 __ push(edx); // Receiver. |
2690 | 2690 |
2691 // If fast case code has been generated, emit code to push the function | 2691 // If fast case code has been generated, emit code to push the function |
2692 // and receiver and have the slow path jump around this code. | 2692 // and receiver and have the slow path jump around this code. |
2693 if (done.is_linked()) { | 2693 if (done.is_linked()) { |
2694 Label call; | 2694 Label call; |
2695 __ jmp(&call, Label::kNear); | 2695 __ jmp(&call, Label::kNear); |
2696 __ bind(&done); | 2696 __ bind(&done); |
2697 // Push function. | 2697 // Push function. |
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3316 } | 3316 } |
3317 __ bind(&runtime); | 3317 __ bind(&runtime); |
3318 __ PrepareCallCFunction(2, scratch); | 3318 __ PrepareCallCFunction(2, scratch); |
3319 __ mov(Operand(esp, 0), object); | 3319 __ mov(Operand(esp, 0), object); |
3320 __ mov(Operand(esp, 1 * kPointerSize), Immediate(index)); | 3320 __ mov(Operand(esp, 1 * kPointerSize), Immediate(index)); |
3321 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); | 3321 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); |
3322 __ jmp(&done); | 3322 __ jmp(&done); |
3323 } | 3323 } |
3324 | 3324 |
3325 __ bind(¬_date_object); | 3325 __ bind(¬_date_object); |
3326 __ CallRuntime(Runtime::kHiddenThrowNotDateError, 0); | 3326 __ CallRuntime(Runtime::kThrowNotDateError, 0); |
3327 __ bind(&done); | 3327 __ bind(&done); |
3328 context()->Plug(result); | 3328 context()->Plug(result); |
3329 } | 3329 } |
3330 | 3330 |
3331 | 3331 |
3332 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { | 3332 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { |
3333 ZoneList<Expression*>* args = expr->arguments(); | 3333 ZoneList<Expression*>* args = expr->arguments(); |
3334 ASSERT_EQ(3, args->length()); | 3334 ASSERT_EQ(3, args->length()); |
3335 | 3335 |
3336 Register string = eax; | 3336 Register string = eax; |
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3398 } | 3398 } |
3399 | 3399 |
3400 | 3400 |
3401 void FullCodeGenerator::EmitMathPow(CallRuntime* expr) { | 3401 void FullCodeGenerator::EmitMathPow(CallRuntime* expr) { |
3402 // Load the arguments on the stack and call the runtime function. | 3402 // Load the arguments on the stack and call the runtime function. |
3403 ZoneList<Expression*>* args = expr->arguments(); | 3403 ZoneList<Expression*>* args = expr->arguments(); |
3404 ASSERT(args->length() == 2); | 3404 ASSERT(args->length() == 2); |
3405 VisitForStackValue(args->at(0)); | 3405 VisitForStackValue(args->at(0)); |
3406 VisitForStackValue(args->at(1)); | 3406 VisitForStackValue(args->at(1)); |
3407 | 3407 |
3408 __ CallRuntime(Runtime::kHiddenMathPowSlow, 2); | 3408 __ CallRuntime(Runtime::kMathPowSlow, 2); |
3409 context()->Plug(eax); | 3409 context()->Plug(eax); |
3410 } | 3410 } |
3411 | 3411 |
3412 | 3412 |
3413 void FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) { | 3413 void FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) { |
3414 ZoneList<Expression*>* args = expr->arguments(); | 3414 ZoneList<Expression*>* args = expr->arguments(); |
3415 ASSERT(args->length() == 2); | 3415 ASSERT(args->length() == 2); |
3416 | 3416 |
3417 VisitForStackValue(args->at(0)); // Load the object. | 3417 VisitForStackValue(args->at(0)); // Load the object. |
3418 VisitForAccumulatorValue(args->at(1)); // Load the value. | 3418 VisitForAccumulatorValue(args->at(1)); // Load the value. |
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3673 __ cmp(key, FixedArrayElementOperand(cache, tmp)); | 3673 __ cmp(key, FixedArrayElementOperand(cache, tmp)); |
3674 __ j(not_equal, ¬_found); | 3674 __ j(not_equal, ¬_found); |
3675 | 3675 |
3676 __ mov(eax, FixedArrayElementOperand(cache, tmp, 1)); | 3676 __ mov(eax, FixedArrayElementOperand(cache, tmp, 1)); |
3677 __ jmp(&done); | 3677 __ jmp(&done); |
3678 | 3678 |
3679 __ bind(¬_found); | 3679 __ bind(¬_found); |
3680 // Call runtime to perform the lookup. | 3680 // Call runtime to perform the lookup. |
3681 __ push(cache); | 3681 __ push(cache); |
3682 __ push(key); | 3682 __ push(key); |
3683 __ CallRuntime(Runtime::kHiddenGetFromCache, 2); | 3683 __ CallRuntime(Runtime::kGetFromCache, 2); |
3684 | 3684 |
3685 __ bind(&done); | 3685 __ bind(&done); |
3686 context()->Plug(eax); | 3686 context()->Plug(eax); |
3687 } | 3687 } |
3688 | 3688 |
3689 | 3689 |
3690 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { | 3690 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { |
3691 ZoneList<Expression*>* args = expr->arguments(); | 3691 ZoneList<Expression*>* args = expr->arguments(); |
3692 ASSERT(args->length() == 1); | 3692 ASSERT(args->length() == 1); |
3693 | 3693 |
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4082 } else if (var->IsStackAllocated() || var->IsContextSlot()) { | 4082 } else if (var->IsStackAllocated() || var->IsContextSlot()) { |
4083 // Result of deleting non-global variables is false. 'this' is | 4083 // Result of deleting non-global variables is false. 'this' is |
4084 // not really a variable, though we implement it as one. The | 4084 // not really a variable, though we implement it as one. The |
4085 // subexpression does not have side effects. | 4085 // subexpression does not have side effects. |
4086 context()->Plug(var->is_this()); | 4086 context()->Plug(var->is_this()); |
4087 } else { | 4087 } else { |
4088 // Non-global variable. Call the runtime to try to delete from the | 4088 // Non-global variable. Call the runtime to try to delete from the |
4089 // context where the variable was introduced. | 4089 // context where the variable was introduced. |
4090 __ push(context_register()); | 4090 __ push(context_register()); |
4091 __ push(Immediate(var->name())); | 4091 __ push(Immediate(var->name())); |
4092 __ CallRuntime(Runtime::kHiddenDeleteContextSlot, 2); | 4092 __ CallRuntime(Runtime::kDeleteContextSlot, 2); |
4093 context()->Plug(eax); | 4093 context()->Plug(eax); |
4094 } | 4094 } |
4095 } else { | 4095 } else { |
4096 // Result of deleting non-property, non-variable reference is true. | 4096 // Result of deleting non-property, non-variable reference is true. |
4097 // The subexpression may have side effects. | 4097 // The subexpression may have side effects. |
4098 VisitForEffect(expr->expression()); | 4098 VisitForEffect(expr->expression()); |
4099 context()->Plug(true); | 4099 context()->Plug(true); |
4100 } | 4100 } |
4101 break; | 4101 break; |
4102 } | 4102 } |
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4375 Comment cmnt(masm_, "[ Lookup slot"); | 4375 Comment cmnt(masm_, "[ Lookup slot"); |
4376 Label done, slow; | 4376 Label done, slow; |
4377 | 4377 |
4378 // Generate code for loading from variables potentially shadowed | 4378 // Generate code for loading from variables potentially shadowed |
4379 // by eval-introduced variables. | 4379 // by eval-introduced variables. |
4380 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); | 4380 EmitDynamicLookupFastCase(proxy->var(), INSIDE_TYPEOF, &slow, &done); |
4381 | 4381 |
4382 __ bind(&slow); | 4382 __ bind(&slow); |
4383 __ push(esi); | 4383 __ push(esi); |
4384 __ push(Immediate(proxy->name())); | 4384 __ push(Immediate(proxy->name())); |
4385 __ CallRuntime(Runtime::kHiddenLoadContextSlotNoReferenceError, 2); | 4385 __ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2); |
4386 PrepareForBailout(expr, TOS_REG); | 4386 PrepareForBailout(expr, TOS_REG); |
4387 __ bind(&done); | 4387 __ bind(&done); |
4388 | 4388 |
4389 context()->Plug(eax); | 4389 context()->Plug(eax); |
4390 } else { | 4390 } else { |
4391 // This expression cannot throw a reference error at the top level. | 4391 // This expression cannot throw a reference error at the top level. |
4392 VisitInDuplicateContext(expr); | 4392 VisitInDuplicateContext(expr); |
4393 } | 4393 } |
4394 } | 4394 } |
4395 | 4395 |
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4792 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4792 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4793 Assembler::target_address_at(call_target_address, | 4793 Assembler::target_address_at(call_target_address, |
4794 unoptimized_code)); | 4794 unoptimized_code)); |
4795 return OSR_AFTER_STACK_CHECK; | 4795 return OSR_AFTER_STACK_CHECK; |
4796 } | 4796 } |
4797 | 4797 |
4798 | 4798 |
4799 } } // namespace v8::internal | 4799 } } // namespace v8::internal |
4800 | 4800 |
4801 #endif // V8_TARGET_ARCH_X87 | 4801 #endif // V8_TARGET_ARCH_X87 |
OLD | NEW |