| OLD | NEW |
| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
| 8 | 8 |
| 9 #include "src/ic/call-optimization.h" | 9 #include "src/ic/call-optimization.h" |
| 10 #include "src/ic/ic-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
| 11 | 11 |
| 12 namespace v8 { | 12 namespace v8 { |
| 13 namespace internal { | 13 namespace internal { |
| 14 | 14 |
| 15 #define __ ACCESS_MASM(masm) | 15 #define __ ACCESS_MASM(masm) |
| 16 | 16 |
| 17 | 17 |
| 18 void NamedLoadHandlerCompiler::GenerateLoadViaGetter( |
| 19 MacroAssembler* masm, Handle<HeapType> type, Register receiver, |
| 20 Handle<JSFunction> getter) { |
| 21 // ----------- S t a t e ------------- |
| 22 // -- a0 : receiver |
| 23 // -- a2 : name |
| 24 // -- ra : return address |
| 25 // ----------------------------------- |
| 26 { |
| 27 FrameScope scope(masm, StackFrame::INTERNAL); |
| 28 |
| 29 if (!getter.is_null()) { |
| 30 // Call the JavaScript getter with the receiver on the stack. |
| 31 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { |
| 32 // Swap in the global receiver. |
| 33 __ lw(receiver, |
| 34 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); |
| 35 } |
| 36 __ push(receiver); |
| 37 ParameterCount actual(0); |
| 38 ParameterCount expected(getter); |
| 39 __ InvokeFunction(getter, expected, actual, CALL_FUNCTION, |
| 40 NullCallWrapper()); |
| 41 } else { |
| 42 // If we generate a global code snippet for deoptimization only, remember |
| 43 // the place to continue after deoptimization. |
| 44 masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); |
| 45 } |
| 46 |
| 47 // Restore context register. |
| 48 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 49 } |
| 50 __ Ret(); |
| 51 } |
| 52 |
| 53 |
| 54 void NamedStoreHandlerCompiler::GenerateStoreViaSetter( |
| 55 MacroAssembler* masm, Handle<HeapType> type, Register receiver, |
| 56 Handle<JSFunction> setter) { |
| 57 // ----------- S t a t e ------------- |
| 58 // -- ra : return address |
| 59 // ----------------------------------- |
| 60 { |
| 61 FrameScope scope(masm, StackFrame::INTERNAL); |
| 62 |
| 63 // Save value register, so we can restore it later. |
| 64 __ push(value()); |
| 65 |
| 66 if (!setter.is_null()) { |
| 67 // Call the JavaScript setter with receiver and value on the stack. |
| 68 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { |
| 69 // Swap in the global receiver. |
| 70 __ lw(receiver, |
| 71 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); |
| 72 } |
| 73 __ Push(receiver, value()); |
| 74 ParameterCount actual(1); |
| 75 ParameterCount expected(setter); |
| 76 __ InvokeFunction(setter, expected, actual, CALL_FUNCTION, |
| 77 NullCallWrapper()); |
| 78 } else { |
| 79 // If we generate a global code snippet for deoptimization only, remember |
| 80 // the place to continue after deoptimization. |
| 81 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); |
| 82 } |
| 83 |
| 84 // We have to return the passed value, not the return value of the setter. |
| 85 __ pop(v0); |
| 86 |
| 87 // Restore context register. |
| 88 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 89 } |
| 90 __ Ret(); |
| 91 } |
| 92 |
| 93 |
| 18 void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup( | 94 void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup( |
| 19 MacroAssembler* masm, Label* miss_label, Register receiver, | 95 MacroAssembler* masm, Label* miss_label, Register receiver, |
| 20 Handle<Name> name, Register scratch0, Register scratch1) { | 96 Handle<Name> name, Register scratch0, Register scratch1) { |
| 21 DCHECK(name->IsUniqueName()); | 97 DCHECK(name->IsUniqueName()); |
| 22 DCHECK(!receiver.is(scratch0)); | 98 DCHECK(!receiver.is(scratch0)); |
| 23 Counters* counters = masm->isolate()->counters(); | 99 Counters* counters = masm->isolate()->counters(); |
| 24 __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1); | 100 __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1); |
| 25 __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); | 101 __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); |
| 26 | 102 |
| 27 Label done; | 103 Label done; |
| 28 | 104 |
| 29 const int kInterceptorOrAccessCheckNeededMask = | 105 const int kInterceptorOrAccessCheckNeededMask = |
| 30 (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); | 106 (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); |
| 31 | 107 |
| 32 // Bail out if the receiver has a named interceptor or requires access checks. | 108 // Bail out if the receiver has a named interceptor or requires access checks. |
| 33 Register map = scratch1; | 109 Register map = scratch1; |
| 34 __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 110 __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 35 __ lbu(scratch0, FieldMemOperand(map, Map::kBitFieldOffset)); | 111 __ lbu(scratch0, FieldMemOperand(map, Map::kBitFieldOffset)); |
| 36 __ And(scratch0, scratch0, Operand(kInterceptorOrAccessCheckNeededMask)); | 112 __ And(scratch0, scratch0, Operand(kInterceptorOrAccessCheckNeededMask)); |
| 37 __ Branch(miss_label, ne, scratch0, Operand(zero_reg)); | 113 __ Branch(miss_label, ne, scratch0, Operand(zero_reg)); |
| 38 | 114 |
| 39 // Check that receiver is a JSObject. | 115 // Check that receiver is a JSObject. |
| 40 __ lbu(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset)); | 116 __ lbu(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset)); |
| (...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 85 | 161 |
| 86 void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( | 162 void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( |
| 87 MacroAssembler* masm, Register receiver, Register scratch1, | 163 MacroAssembler* masm, Register receiver, Register scratch1, |
| 88 Register scratch2, Label* miss_label) { | 164 Register scratch2, Label* miss_label) { |
| 89 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); | 165 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
| 90 __ Ret(USE_DELAY_SLOT); | 166 __ Ret(USE_DELAY_SLOT); |
| 91 __ mov(v0, scratch1); | 167 __ mov(v0, scratch1); |
| 92 } | 168 } |
| 93 | 169 |
| 94 | 170 |
| 171 // Generate code to check that a global property cell is empty. Create |
| 172 // the property cell at compilation time if no cell exists for the |
| 173 // property. |
| 95 void PropertyHandlerCompiler::GenerateCheckPropertyCell( | 174 void PropertyHandlerCompiler::GenerateCheckPropertyCell( |
| 96 MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name, | 175 MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name, |
| 97 Register scratch, Label* miss) { | 176 Register scratch, Label* miss) { |
| 98 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); | 177 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
| 99 DCHECK(cell->value()->IsTheHole()); | 178 DCHECK(cell->value()->IsTheHole()); |
| 100 __ li(scratch, Operand(cell)); | 179 __ li(scratch, Operand(cell)); |
| 101 __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); | 180 __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); |
| 102 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 181 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
| 103 __ Branch(miss, ne, scratch, Operand(at)); | 182 __ Branch(miss, ne, scratch, Operand(at)); |
| 104 } | 183 } |
| (...skipping 90 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 195 ExternalReference::Type type = ExternalReference::DIRECT_API_CALL; | 274 ExternalReference::Type type = ExternalReference::DIRECT_API_CALL; |
| 196 ExternalReference ref = ExternalReference(&fun, type, masm->isolate()); | 275 ExternalReference ref = ExternalReference(&fun, type, masm->isolate()); |
| 197 __ li(api_function_address, Operand(ref)); | 276 __ li(api_function_address, Operand(ref)); |
| 198 | 277 |
| 199 // Jump to stub. | 278 // Jump to stub. |
| 200 CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc); | 279 CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc); |
| 201 __ TailCallStub(&stub); | 280 __ TailCallStub(&stub); |
| 202 } | 281 } |
| 203 | 282 |
| 204 | 283 |
| 284 void ElementHandlerCompiler::GenerateLoadDictionaryElement( |
| 285 MacroAssembler* masm) { |
| 286 // The return address is in ra. |
| 287 Label slow, miss; |
| 288 |
| 289 Register key = LoadIC::NameRegister(); |
| 290 Register receiver = LoadIC::ReceiverRegister(); |
| 291 DCHECK(receiver.is(a1)); |
| 292 DCHECK(key.is(a2)); |
| 293 |
| 294 __ UntagAndJumpIfNotSmi(t2, key, &miss); |
| 295 __ lw(t0, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 296 __ LoadFromNumberDictionary(&slow, t0, key, v0, t2, a3, t1); |
| 297 __ Ret(); |
| 298 |
| 299 // Slow case, key and receiver still unmodified. |
| 300 __ bind(&slow); |
| 301 __ IncrementCounter( |
| 302 masm->isolate()->counters()->keyed_load_external_array_slow(), 1, a2, a3); |
| 303 |
| 304 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); |
| 305 |
| 306 // Miss case, call the runtime. |
| 307 __ bind(&miss); |
| 308 |
| 309 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
| 310 } |
| 311 |
| 312 |
| 205 #undef __ | 313 #undef __ |
| 206 #define __ ACCESS_MASM(masm()) | 314 #define __ ACCESS_MASM(masm()) |
| 207 | 315 |
| 208 | 316 |
| 209 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, | 317 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, |
| 210 Handle<Name> name) { | 318 Handle<Name> name) { |
| 211 if (!label->is_unused()) { | 319 if (!label->is_unused()) { |
| 212 __ bind(label); | 320 __ bind(label); |
| 213 __ li(this->name(), Operand(name)); | 321 __ li(this->name(), Operand(name)); |
| 214 } | 322 } |
| (...skipping 458 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 673 // Do tail-call to the runtime system. | 781 // Do tail-call to the runtime system. |
| 674 ExternalReference store_callback_property = | 782 ExternalReference store_callback_property = |
| 675 ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); | 783 ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
| 676 __ TailCallExternalReference(store_callback_property, 5, 1); | 784 __ TailCallExternalReference(store_callback_property, 5, 1); |
| 677 | 785 |
| 678 // Return the generated code. | 786 // Return the generated code. |
| 679 return GetCode(kind(), Code::FAST, name); | 787 return GetCode(kind(), Code::FAST, name); |
| 680 } | 788 } |
| 681 | 789 |
| 682 | 790 |
| 683 #undef __ | |
| 684 #define __ ACCESS_MASM(masm) | |
| 685 | |
| 686 | |
| 687 void NamedStoreHandlerCompiler::GenerateStoreViaSetter( | |
| 688 MacroAssembler* masm, Handle<HeapType> type, Register receiver, | |
| 689 Handle<JSFunction> setter) { | |
| 690 // ----------- S t a t e ------------- | |
| 691 // -- ra : return address | |
| 692 // ----------------------------------- | |
| 693 { | |
| 694 FrameScope scope(masm, StackFrame::INTERNAL); | |
| 695 | |
| 696 // Save value register, so we can restore it later. | |
| 697 __ push(value()); | |
| 698 | |
| 699 if (!setter.is_null()) { | |
| 700 // Call the JavaScript setter with receiver and value on the stack. | |
| 701 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { | |
| 702 // Swap in the global receiver. | |
| 703 __ lw(receiver, | |
| 704 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); | |
| 705 } | |
| 706 __ Push(receiver, value()); | |
| 707 ParameterCount actual(1); | |
| 708 ParameterCount expected(setter); | |
| 709 __ InvokeFunction(setter, expected, actual, CALL_FUNCTION, | |
| 710 NullCallWrapper()); | |
| 711 } else { | |
| 712 // If we generate a global code snippet for deoptimization only, remember | |
| 713 // the place to continue after deoptimization. | |
| 714 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); | |
| 715 } | |
| 716 | |
| 717 // We have to return the passed value, not the return value of the setter. | |
| 718 __ pop(v0); | |
| 719 | |
| 720 // Restore context register. | |
| 721 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | |
| 722 } | |
| 723 __ Ret(); | |
| 724 } | |
| 725 | |
| 726 | |
| 727 #undef __ | |
| 728 #define __ ACCESS_MASM(masm()) | |
| 729 | |
| 730 | |
| 731 Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor( | 791 Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor( |
| 732 Handle<Name> name) { | 792 Handle<Name> name) { |
| 733 __ Push(receiver(), this->name(), value()); | 793 __ Push(receiver(), this->name(), value()); |
| 734 | 794 |
| 735 // Do tail-call to the runtime system. | 795 // Do tail-call to the runtime system. |
| 736 ExternalReference store_ic_property = ExternalReference( | 796 ExternalReference store_ic_property = ExternalReference( |
| 737 IC_Utility(IC::kStorePropertyWithInterceptor), isolate()); | 797 IC_Utility(IC::kStorePropertyWithInterceptor), isolate()); |
| 738 __ TailCallExternalReference(store_ic_property, 3, 1); | 798 __ TailCallExternalReference(store_ic_property, 3, 1); |
| 739 | 799 |
| 740 // Return the generated code. | 800 // Return the generated code. |
| 741 return GetCode(kind(), Code::FAST, name); | 801 return GetCode(kind(), Code::FAST, name); |
| 742 } | 802 } |
| 743 | 803 |
| 744 | 804 |
| 745 Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); } | 805 Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); } |
| 746 | 806 |
| 747 | 807 |
| 748 #undef __ | |
| 749 #define __ ACCESS_MASM(masm) | |
| 750 | |
| 751 | |
| 752 void NamedLoadHandlerCompiler::GenerateLoadViaGetter( | |
| 753 MacroAssembler* masm, Handle<HeapType> type, Register receiver, | |
| 754 Handle<JSFunction> getter) { | |
| 755 // ----------- S t a t e ------------- | |
| 756 // -- a0 : receiver | |
| 757 // -- a2 : name | |
| 758 // -- ra : return address | |
| 759 // ----------------------------------- | |
| 760 { | |
| 761 FrameScope scope(masm, StackFrame::INTERNAL); | |
| 762 | |
| 763 if (!getter.is_null()) { | |
| 764 // Call the JavaScript getter with the receiver on the stack. | |
| 765 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { | |
| 766 // Swap in the global receiver. | |
| 767 __ lw(receiver, | |
| 768 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); | |
| 769 } | |
| 770 __ push(receiver); | |
| 771 ParameterCount actual(0); | |
| 772 ParameterCount expected(getter); | |
| 773 __ InvokeFunction(getter, expected, actual, CALL_FUNCTION, | |
| 774 NullCallWrapper()); | |
| 775 } else { | |
| 776 // If we generate a global code snippet for deoptimization only, remember | |
| 777 // the place to continue after deoptimization. | |
| 778 masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); | |
| 779 } | |
| 780 | |
| 781 // Restore context register. | |
| 782 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | |
| 783 } | |
| 784 __ Ret(); | |
| 785 } | |
| 786 | |
| 787 | |
| 788 #undef __ | |
| 789 #define __ ACCESS_MASM(masm()) | |
| 790 | |
| 791 | |
| 792 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( | 808 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( |
| 793 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { | 809 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { |
| 794 Label miss; | 810 Label miss; |
| 795 | 811 |
| 796 FrontendHeader(receiver(), name, &miss); | 812 FrontendHeader(receiver(), name, &miss); |
| 797 | 813 |
| 798 // Get the value from the cell. | 814 // Get the value from the cell. |
| 799 Register result = StoreIC::ValueRegister(); | 815 Register result = StoreIC::ValueRegister(); |
| 800 __ li(result, Operand(cell)); | 816 __ li(result, Operand(cell)); |
| 801 __ lw(result, FieldMemOperand(result, Cell::kValueOffset)); | 817 __ lw(result, FieldMemOperand(result, Cell::kValueOffset)); |
| 802 | 818 |
| 803 // Check for deleted property if property can actually be deleted. | 819 // Check for deleted property if property can actually be deleted. |
| 804 if (is_configurable) { | 820 if (is_configurable) { |
| 805 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 821 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
| 806 __ Branch(&miss, eq, result, Operand(at)); | 822 __ Branch(&miss, eq, result, Operand(at)); |
| 807 } | 823 } |
| 808 | 824 |
| 809 Counters* counters = isolate()->counters(); | 825 Counters* counters = isolate()->counters(); |
| 810 __ IncrementCounter(counters->named_load_global_stub(), 1, a1, a3); | 826 __ IncrementCounter(counters->named_load_global_stub(), 1, a1, a3); |
| 811 __ Ret(USE_DELAY_SLOT); | 827 __ Ret(USE_DELAY_SLOT); |
| 812 __ mov(v0, result); | 828 __ mov(v0, result); |
| 813 | 829 |
| 814 FrontendFooter(name, &miss); | 830 FrontendFooter(name, &miss); |
| 815 | 831 |
| 816 // Return the generated code. | 832 // Return the generated code. |
| 817 return GetCode(kind(), Code::NORMAL, name); | 833 return GetCode(kind(), Code::NORMAL, name); |
| 818 } | 834 } |
| 819 | 835 |
| 820 | 836 |
| 821 Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types, | |
| 822 CodeHandleList* handlers, | |
| 823 Handle<Name> name, | |
| 824 Code::StubType type, | |
| 825 IcCheckType check) { | |
| 826 Label miss; | |
| 827 | |
| 828 if (check == PROPERTY && | |
| 829 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) { | |
| 830 // In case we are compiling an IC for dictionary loads and stores, just | |
| 831 // check whether the name is unique. | |
| 832 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { | |
| 833 __ JumpIfNotUniqueName(this->name(), &miss); | |
| 834 } else { | |
| 835 __ Branch(&miss, ne, this->name(), Operand(name)); | |
| 836 } | |
| 837 } | |
| 838 | |
| 839 Label number_case; | |
| 840 Register match = scratch2(); | |
| 841 Label* smi_target = IncludesNumberType(types) ? &number_case : &miss; | |
| 842 __ JumpIfSmi(receiver(), smi_target, match); // Reg match is 0 if Smi. | |
| 843 | |
| 844 // Polymorphic keyed stores may use the map register | |
| 845 Register map_reg = scratch1(); | |
| 846 DCHECK(kind() != Code::KEYED_STORE_IC || | |
| 847 map_reg.is(KeyedStoreIC::MapRegister())); | |
| 848 | |
| 849 int receiver_count = types->length(); | |
| 850 int number_of_handled_maps = 0; | |
| 851 __ lw(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 852 for (int current = 0; current < receiver_count; ++current) { | |
| 853 Handle<HeapType> type = types->at(current); | |
| 854 Handle<Map> map = IC::TypeToMap(*type, isolate()); | |
| 855 if (!map->is_deprecated()) { | |
| 856 number_of_handled_maps++; | |
| 857 // Check map and tail call if there's a match. | |
| 858 // Separate compare from branch, to provide path for above JumpIfSmi(). | |
| 859 __ Subu(match, map_reg, Operand(map)); | |
| 860 if (type->Is(HeapType::Number())) { | |
| 861 DCHECK(!number_case.is_unused()); | |
| 862 __ bind(&number_case); | |
| 863 } | |
| 864 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET, eq, match, | |
| 865 Operand(zero_reg)); | |
| 866 } | |
| 867 } | |
| 868 DCHECK(number_of_handled_maps != 0); | |
| 869 | |
| 870 __ bind(&miss); | |
| 871 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 872 | |
| 873 // Return the generated code. | |
| 874 InlineCacheState state = | |
| 875 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; | |
| 876 return GetCode(kind(), type, name, state); | |
| 877 } | |
| 878 | |
| 879 | |
| 880 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | |
| 881 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | |
| 882 MapHandleList* transitioned_maps) { | |
| 883 Label miss; | |
| 884 __ JumpIfSmi(receiver(), &miss); | |
| 885 | |
| 886 int receiver_count = receiver_maps->length(); | |
| 887 __ lw(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 888 for (int i = 0; i < receiver_count; ++i) { | |
| 889 if (transitioned_maps->at(i).is_null()) { | |
| 890 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq, scratch1(), | |
| 891 Operand(receiver_maps->at(i))); | |
| 892 } else { | |
| 893 Label next_map; | |
| 894 __ Branch(&next_map, ne, scratch1(), Operand(receiver_maps->at(i))); | |
| 895 __ li(transition_map(), Operand(transitioned_maps->at(i))); | |
| 896 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET); | |
| 897 __ bind(&next_map); | |
| 898 } | |
| 899 } | |
| 900 | |
| 901 __ bind(&miss); | |
| 902 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 903 | |
| 904 // Return the generated code. | |
| 905 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | |
| 906 } | |
| 907 | |
| 908 | |
| 909 #undef __ | |
| 910 #define __ ACCESS_MASM(masm) | |
| 911 | |
| 912 | |
| 913 void ElementHandlerCompiler::GenerateLoadDictionaryElement( | |
| 914 MacroAssembler* masm) { | |
| 915 // The return address is in ra. | |
| 916 Label slow, miss; | |
| 917 | |
| 918 Register key = LoadIC::NameRegister(); | |
| 919 Register receiver = LoadIC::ReceiverRegister(); | |
| 920 DCHECK(receiver.is(a1)); | |
| 921 DCHECK(key.is(a2)); | |
| 922 | |
| 923 __ UntagAndJumpIfNotSmi(t2, key, &miss); | |
| 924 __ lw(t0, FieldMemOperand(receiver, JSObject::kElementsOffset)); | |
| 925 __ LoadFromNumberDictionary(&slow, t0, key, v0, t2, a3, t1); | |
| 926 __ Ret(); | |
| 927 | |
| 928 // Slow case, key and receiver still unmodified. | |
| 929 __ bind(&slow); | |
| 930 __ IncrementCounter( | |
| 931 masm->isolate()->counters()->keyed_load_external_array_slow(), 1, a2, a3); | |
| 932 | |
| 933 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); | |
| 934 | |
| 935 // Miss case, call the runtime. | |
| 936 __ bind(&miss); | |
| 937 | |
| 938 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | |
| 939 } | |
| 940 | |
| 941 | |
| 942 void PropertyICCompiler::GenerateRuntimeSetProperty(MacroAssembler* masm, | |
| 943 StrictMode strict_mode) { | |
| 944 __ Push(StoreIC::ReceiverRegister(), StoreIC::NameRegister(), | |
| 945 StoreIC::ValueRegister()); | |
| 946 | |
| 947 __ li(a0, Operand(Smi::FromInt(strict_mode))); | |
| 948 __ Push(a0); | |
| 949 | |
| 950 // Do tail-call to runtime routine. | |
| 951 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | |
| 952 } | |
| 953 | |
| 954 | |
| 955 #undef __ | 837 #undef __ |
| 956 } | 838 } |
| 957 } // namespace v8::internal | 839 } // namespace v8::internal |
| 958 | 840 |
| 959 #endif // V8_TARGET_ARCH_MIPS | 841 #endif // V8_TARGET_ARCH_MIPS |
| OLD | NEW |