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| 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_ARM | 7 #if V8_TARGET_ARCH_ARM |
| 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 // -- r0 : receiver |
| 23 // -- r2 : name |
| 24 // -- lr : return address |
| 25 // ----------------------------------- |
| 26 { |
| 27 FrameAndConstantPoolScope 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 __ ldr(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 __ ldr(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 // -- lr : return address |
| 59 // ----------------------------------- |
| 60 { |
| 61 FrameAndConstantPoolScope 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 __ ldr(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(r0); |
| 86 |
| 87 // Restore context register. |
| 88 __ ldr(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; |
| (...skipping 175 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 203 ExternalReference::Type type = ExternalReference::DIRECT_API_CALL; | 279 ExternalReference::Type type = ExternalReference::DIRECT_API_CALL; |
| 204 ExternalReference ref = ExternalReference(&fun, type, masm->isolate()); | 280 ExternalReference ref = ExternalReference(&fun, type, masm->isolate()); |
| 205 __ mov(api_function_address, Operand(ref)); | 281 __ mov(api_function_address, Operand(ref)); |
| 206 | 282 |
| 207 // Jump to stub. | 283 // Jump to stub. |
| 208 CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc); | 284 CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc); |
| 209 __ TailCallStub(&stub); | 285 __ TailCallStub(&stub); |
| 210 } | 286 } |
| 211 | 287 |
| 212 | 288 |
| 289 void ElementHandlerCompiler::GenerateLoadDictionaryElement( |
| 290 MacroAssembler* masm) { |
| 291 // The return address is in lr. |
| 292 Label slow, miss; |
| 293 |
| 294 Register key = LoadIC::NameRegister(); |
| 295 Register receiver = LoadIC::ReceiverRegister(); |
| 296 DCHECK(receiver.is(r1)); |
| 297 DCHECK(key.is(r2)); |
| 298 |
| 299 __ UntagAndJumpIfNotSmi(r6, key, &miss); |
| 300 __ ldr(r4, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 301 __ LoadFromNumberDictionary(&slow, r4, key, r0, r6, r3, r5); |
| 302 __ Ret(); |
| 303 |
| 304 __ bind(&slow); |
| 305 __ IncrementCounter( |
| 306 masm->isolate()->counters()->keyed_load_external_array_slow(), 1, r2, r3); |
| 307 |
| 308 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); |
| 309 |
| 310 // Miss case, call the runtime. |
| 311 __ bind(&miss); |
| 312 |
| 313 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
| 314 } |
| 315 |
| 316 |
| 213 #undef __ | 317 #undef __ |
| 214 #define __ ACCESS_MASM(masm()) | 318 #define __ ACCESS_MASM(masm()) |
| 215 | 319 |
| 216 | 320 |
| 217 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, | 321 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, |
| 218 Handle<Name> name) { | 322 Handle<Name> name) { |
| 219 if (!label->is_unused()) { | 323 if (!label->is_unused()) { |
| 220 __ bind(label); | 324 __ bind(label); |
| 221 __ mov(this->name(), Operand(name)); | 325 __ mov(this->name(), Operand(name)); |
| 222 } | 326 } |
| (...skipping 454 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 677 // Do tail-call to the runtime system. | 781 // Do tail-call to the runtime system. |
| 678 ExternalReference store_callback_property = | 782 ExternalReference store_callback_property = |
| 679 ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); | 783 ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
| 680 __ TailCallExternalReference(store_callback_property, 5, 1); | 784 __ TailCallExternalReference(store_callback_property, 5, 1); |
| 681 | 785 |
| 682 // Return the generated code. | 786 // Return the generated code. |
| 683 return GetCode(kind(), Code::FAST, name); | 787 return GetCode(kind(), Code::FAST, name); |
| 684 } | 788 } |
| 685 | 789 |
| 686 | 790 |
| 687 #undef __ | |
| 688 #define __ ACCESS_MASM(masm) | |
| 689 | |
| 690 | |
| 691 void NamedStoreHandlerCompiler::GenerateStoreViaSetter( | |
| 692 MacroAssembler* masm, Handle<HeapType> type, Register receiver, | |
| 693 Handle<JSFunction> setter) { | |
| 694 // ----------- S t a t e ------------- | |
| 695 // -- lr : return address | |
| 696 // ----------------------------------- | |
| 697 { | |
| 698 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); | |
| 699 | |
| 700 // Save value register, so we can restore it later. | |
| 701 __ push(value()); | |
| 702 | |
| 703 if (!setter.is_null()) { | |
| 704 // Call the JavaScript setter with receiver and value on the stack. | |
| 705 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { | |
| 706 // Swap in the global receiver. | |
| 707 __ ldr(receiver, | |
| 708 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); | |
| 709 } | |
| 710 __ Push(receiver, value()); | |
| 711 ParameterCount actual(1); | |
| 712 ParameterCount expected(setter); | |
| 713 __ InvokeFunction(setter, expected, actual, CALL_FUNCTION, | |
| 714 NullCallWrapper()); | |
| 715 } else { | |
| 716 // If we generate a global code snippet for deoptimization only, remember | |
| 717 // the place to continue after deoptimization. | |
| 718 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); | |
| 719 } | |
| 720 | |
| 721 // We have to return the passed value, not the return value of the setter. | |
| 722 __ pop(r0); | |
| 723 | |
| 724 // Restore context register. | |
| 725 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | |
| 726 } | |
| 727 __ Ret(); | |
| 728 } | |
| 729 | |
| 730 | |
| 731 #undef __ | |
| 732 #define __ ACCESS_MASM(masm()) | |
| 733 | |
| 734 | |
| 735 Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor( | 791 Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor( |
| 736 Handle<Name> name) { | 792 Handle<Name> name) { |
| 737 __ Push(receiver(), this->name(), value()); | 793 __ Push(receiver(), this->name(), value()); |
| 738 | 794 |
| 739 // Do tail-call to the runtime system. | 795 // Do tail-call to the runtime system. |
| 740 ExternalReference store_ic_property = ExternalReference( | 796 ExternalReference store_ic_property = ExternalReference( |
| 741 IC_Utility(IC::kStorePropertyWithInterceptor), isolate()); | 797 IC_Utility(IC::kStorePropertyWithInterceptor), isolate()); |
| 742 __ TailCallExternalReference(store_ic_property, 3, 1); | 798 __ TailCallExternalReference(store_ic_property, 3, 1); |
| 743 | 799 |
| 744 // Return the generated code. | 800 // Return the generated code. |
| 745 return GetCode(kind(), Code::FAST, name); | 801 return GetCode(kind(), Code::FAST, name); |
| 746 } | 802 } |
| 747 | 803 |
| 748 | 804 |
| 749 Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); } | 805 Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); } |
| 750 | 806 |
| 751 | 807 |
| 752 #undef __ | |
| 753 #define __ ACCESS_MASM(masm) | |
| 754 | |
| 755 | |
| 756 void NamedLoadHandlerCompiler::GenerateLoadViaGetter( | |
| 757 MacroAssembler* masm, Handle<HeapType> type, Register receiver, | |
| 758 Handle<JSFunction> getter) { | |
| 759 // ----------- S t a t e ------------- | |
| 760 // -- r0 : receiver | |
| 761 // -- r2 : name | |
| 762 // -- lr : return address | |
| 763 // ----------------------------------- | |
| 764 { | |
| 765 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); | |
| 766 | |
| 767 if (!getter.is_null()) { | |
| 768 // Call the JavaScript getter with the receiver on the stack. | |
| 769 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { | |
| 770 // Swap in the global receiver. | |
| 771 __ ldr(receiver, | |
| 772 FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); | |
| 773 } | |
| 774 __ push(receiver); | |
| 775 ParameterCount actual(0); | |
| 776 ParameterCount expected(getter); | |
| 777 __ InvokeFunction(getter, expected, actual, CALL_FUNCTION, | |
| 778 NullCallWrapper()); | |
| 779 } else { | |
| 780 // If we generate a global code snippet for deoptimization only, remember | |
| 781 // the place to continue after deoptimization. | |
| 782 masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); | |
| 783 } | |
| 784 | |
| 785 // Restore context register. | |
| 786 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | |
| 787 } | |
| 788 __ Ret(); | |
| 789 } | |
| 790 | |
| 791 | |
| 792 #undef __ | |
| 793 #define __ ACCESS_MASM(masm()) | |
| 794 | |
| 795 | |
| 796 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( | 808 Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal( |
| 797 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { | 809 Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) { |
| 798 Label miss; | 810 Label miss; |
| 799 FrontendHeader(receiver(), name, &miss); | 811 FrontendHeader(receiver(), name, &miss); |
| 800 | 812 |
| 801 // Get the value from the cell. | 813 // Get the value from the cell. |
| 802 Register result = StoreIC::ValueRegister(); | 814 Register result = StoreIC::ValueRegister(); |
| 803 __ mov(result, Operand(cell)); | 815 __ mov(result, Operand(cell)); |
| 804 __ ldr(result, FieldMemOperand(result, Cell::kValueOffset)); | 816 __ ldr(result, FieldMemOperand(result, Cell::kValueOffset)); |
| 805 | 817 |
| 806 // Check for deleted property if property can actually be deleted. | 818 // Check for deleted property if property can actually be deleted. |
| 807 if (is_configurable) { | 819 if (is_configurable) { |
| 808 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); | 820 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
| 809 __ cmp(result, ip); | 821 __ cmp(result, ip); |
| 810 __ b(eq, &miss); | 822 __ b(eq, &miss); |
| 811 } | 823 } |
| 812 | 824 |
| 813 Counters* counters = isolate()->counters(); | 825 Counters* counters = isolate()->counters(); |
| 814 __ IncrementCounter(counters->named_load_global_stub(), 1, r1, r3); | 826 __ IncrementCounter(counters->named_load_global_stub(), 1, r1, r3); |
| 815 __ Ret(); | 827 __ Ret(); |
| 816 | 828 |
| 817 FrontendFooter(name, &miss); | 829 FrontendFooter(name, &miss); |
| 818 | 830 |
| 819 // Return the generated code. | 831 // Return the generated code. |
| 820 return GetCode(kind(), Code::NORMAL, name); | 832 return GetCode(kind(), Code::NORMAL, name); |
| 821 } | 833 } |
| 822 | 834 |
| 823 | 835 |
| 824 Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types, | |
| 825 CodeHandleList* handlers, | |
| 826 Handle<Name> name, | |
| 827 Code::StubType type, | |
| 828 IcCheckType check) { | |
| 829 Label miss; | |
| 830 | |
| 831 if (check == PROPERTY && | |
| 832 (kind() == Code::KEYED_LOAD_IC || kind() == Code::KEYED_STORE_IC)) { | |
| 833 // In case we are compiling an IC for dictionary loads and stores, just | |
| 834 // check whether the name is unique. | |
| 835 if (name.is_identical_to(isolate()->factory()->normal_ic_symbol())) { | |
| 836 __ JumpIfNotUniqueName(this->name(), &miss); | |
| 837 } else { | |
| 838 __ cmp(this->name(), Operand(name)); | |
| 839 __ b(ne, &miss); | |
| 840 } | |
| 841 } | |
| 842 | |
| 843 Label number_case; | |
| 844 Label* smi_target = IncludesNumberType(types) ? &number_case : &miss; | |
| 845 __ JumpIfSmi(receiver(), smi_target); | |
| 846 | |
| 847 // Polymorphic keyed stores may use the map register | |
| 848 Register map_reg = scratch1(); | |
| 849 DCHECK(kind() != Code::KEYED_STORE_IC || | |
| 850 map_reg.is(KeyedStoreIC::MapRegister())); | |
| 851 | |
| 852 int receiver_count = types->length(); | |
| 853 int number_of_handled_maps = 0; | |
| 854 __ ldr(map_reg, FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 855 for (int current = 0; current < receiver_count; ++current) { | |
| 856 Handle<HeapType> type = types->at(current); | |
| 857 Handle<Map> map = IC::TypeToMap(*type, isolate()); | |
| 858 if (!map->is_deprecated()) { | |
| 859 number_of_handled_maps++; | |
| 860 __ mov(ip, Operand(map)); | |
| 861 __ cmp(map_reg, ip); | |
| 862 if (type->Is(HeapType::Number())) { | |
| 863 DCHECK(!number_case.is_unused()); | |
| 864 __ bind(&number_case); | |
| 865 } | |
| 866 __ Jump(handlers->at(current), RelocInfo::CODE_TARGET, eq); | |
| 867 } | |
| 868 } | |
| 869 DCHECK(number_of_handled_maps != 0); | |
| 870 | |
| 871 __ bind(&miss); | |
| 872 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 873 | |
| 874 // Return the generated code. | |
| 875 InlineCacheState state = | |
| 876 number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; | |
| 877 return GetCode(kind(), type, name, state); | |
| 878 } | |
| 879 | |
| 880 | |
| 881 Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic( | |
| 882 MapHandleList* receiver_maps, CodeHandleList* handler_stubs, | |
| 883 MapHandleList* transitioned_maps) { | |
| 884 Label miss; | |
| 885 __ JumpIfSmi(receiver(), &miss); | |
| 886 | |
| 887 int receiver_count = receiver_maps->length(); | |
| 888 __ ldr(scratch1(), FieldMemOperand(receiver(), HeapObject::kMapOffset)); | |
| 889 for (int i = 0; i < receiver_count; ++i) { | |
| 890 __ mov(ip, Operand(receiver_maps->at(i))); | |
| 891 __ cmp(scratch1(), ip); | |
| 892 if (transitioned_maps->at(i).is_null()) { | |
| 893 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, eq); | |
| 894 } else { | |
| 895 Label next_map; | |
| 896 __ b(ne, &next_map); | |
| 897 __ mov(transition_map(), Operand(transitioned_maps->at(i))); | |
| 898 __ Jump(handler_stubs->at(i), RelocInfo::CODE_TARGET, al); | |
| 899 __ bind(&next_map); | |
| 900 } | |
| 901 } | |
| 902 | |
| 903 __ bind(&miss); | |
| 904 TailCallBuiltin(masm(), MissBuiltin(kind())); | |
| 905 | |
| 906 // Return the generated code. | |
| 907 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | |
| 908 } | |
| 909 | |
| 910 | |
| 911 #undef __ | |
| 912 #define __ ACCESS_MASM(masm) | |
| 913 | |
| 914 | |
| 915 void ElementHandlerCompiler::GenerateLoadDictionaryElement( | |
| 916 MacroAssembler* masm) { | |
| 917 // The return address is in lr. | |
| 918 Label slow, miss; | |
| 919 | |
| 920 Register key = LoadIC::NameRegister(); | |
| 921 Register receiver = LoadIC::ReceiverRegister(); | |
| 922 DCHECK(receiver.is(r1)); | |
| 923 DCHECK(key.is(r2)); | |
| 924 | |
| 925 __ UntagAndJumpIfNotSmi(r6, key, &miss); | |
| 926 __ ldr(r4, FieldMemOperand(receiver, JSObject::kElementsOffset)); | |
| 927 __ LoadFromNumberDictionary(&slow, r4, key, r0, r6, r3, r5); | |
| 928 __ Ret(); | |
| 929 | |
| 930 __ bind(&slow); | |
| 931 __ IncrementCounter( | |
| 932 masm->isolate()->counters()->keyed_load_external_array_slow(), 1, r2, r3); | |
| 933 | |
| 934 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); | |
| 935 | |
| 936 // Miss case, call the runtime. | |
| 937 __ bind(&miss); | |
| 938 | |
| 939 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | |
| 940 } | |
| 941 | |
| 942 | |
| 943 void PropertyICCompiler::GenerateRuntimeSetProperty(MacroAssembler* masm, | |
| 944 StrictMode strict_mode) { | |
| 945 __ Push(StoreIC::ReceiverRegister(), StoreIC::NameRegister(), | |
| 946 StoreIC::ValueRegister()); | |
| 947 | |
| 948 __ mov(r0, Operand(Smi::FromInt(strict_mode))); | |
| 949 __ Push(r0); | |
| 950 | |
| 951 // Do tail-call to runtime routine. | |
| 952 __ TailCallRuntime(Runtime::kSetProperty, 4, 1); | |
| 953 } | |
| 954 | |
| 955 | |
| 956 #undef __ | 836 #undef __ |
| 957 } | 837 } |
| 958 } // namespace v8::internal | 838 } // namespace v8::internal |
| 959 | 839 |
| 960 #endif // V8_TARGET_ARCH_ARM | 840 #endif // V8_TARGET_ARCH_ARM |
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