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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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739 Object* CallStubCompiler::CompileCallGlobal(JSObject* object, | 739 Object* CallStubCompiler::CompileCallGlobal(JSObject* object, |
740 GlobalObject* holder, | 740 GlobalObject* holder, |
741 JSGlobalPropertyCell* cell, | 741 JSGlobalPropertyCell* cell, |
742 JSFunction* function, | 742 JSFunction* function, |
743 String* name) { | 743 String* name) { |
744 // ----------- S t a t e ------------- | 744 // ----------- S t a t e ------------- |
745 // -- lr: return address | 745 // -- lr: return address |
746 // ----------------------------------- | 746 // ----------------------------------- |
747 Label miss; | 747 Label miss; |
748 | 748 |
749 __ IncrementCounter(&Counters::call_global_inline, 1, r1, r3); | |
750 | |
751 // Get the number of arguments. | 749 // Get the number of arguments. |
752 const int argc = arguments().immediate(); | 750 const int argc = arguments().immediate(); |
753 | 751 |
754 // Get the receiver from the stack. | 752 // Get the receiver from the stack. |
755 __ ldr(r0, MemOperand(sp, argc * kPointerSize)); | 753 __ ldr(r0, MemOperand(sp, argc * kPointerSize)); |
756 | 754 |
757 // If the object is the holder then we know that it's a global | 755 // If the object is the holder then we know that it's a global |
758 // object which can only happen for contextual calls. In this case, | 756 // object which can only happen for contextual calls. In this case, |
759 // the receiver cannot be a smi. | 757 // the receiver cannot be a smi. |
760 if (object != holder) { | 758 if (object != holder) { |
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777 // necessary. | 775 // necessary. |
778 if (object->IsGlobalObject()) { | 776 if (object->IsGlobalObject()) { |
779 __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset)); | 777 __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset)); |
780 __ str(r3, MemOperand(sp, argc * kPointerSize)); | 778 __ str(r3, MemOperand(sp, argc * kPointerSize)); |
781 } | 779 } |
782 | 780 |
783 // Setup the context (function already in r1). | 781 // Setup the context (function already in r1). |
784 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); | 782 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
785 | 783 |
786 // Jump to the cached code (tail call). | 784 // Jump to the cached code (tail call). |
| 785 __ IncrementCounter(&Counters::call_global_inline, 1, r1, r3); |
787 ASSERT(function->is_compiled()); | 786 ASSERT(function->is_compiled()); |
788 Handle<Code> code(function->code()); | 787 Handle<Code> code(function->code()); |
789 ParameterCount expected(function->shared()->formal_parameter_count()); | 788 ParameterCount expected(function->shared()->formal_parameter_count()); |
790 __ InvokeCode(code, expected, arguments(), | 789 __ InvokeCode(code, expected, arguments(), |
791 RelocInfo::CODE_TARGET, JUMP_FUNCTION); | 790 RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
792 | 791 |
793 // Handle call cache miss. | 792 // Handle call cache miss. |
794 __ bind(&miss); | 793 __ bind(&miss); |
795 __ DecrementCounter(&Counters::call_global_inline, 1, r1, r3); | |
796 __ IncrementCounter(&Counters::call_global_inline_miss, 1, r1, r3); | 794 __ IncrementCounter(&Counters::call_global_inline_miss, 1, r1, r3); |
797 Handle<Code> ic = ComputeCallMiss(arguments().immediate()); | 795 Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
798 __ Jump(ic, RelocInfo::CODE_TARGET); | 796 __ Jump(ic, RelocInfo::CODE_TARGET); |
799 | 797 |
800 // Return the generated code. | 798 // Return the generated code. |
801 return GetCode(NORMAL, name); | 799 return GetCode(NORMAL, name); |
802 } | 800 } |
803 | 801 |
804 | 802 |
805 Object* StoreStubCompiler::CompileStoreField(JSObject* object, | 803 Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
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946 JSGlobalPropertyCell* cell, | 944 JSGlobalPropertyCell* cell, |
947 String* name) { | 945 String* name) { |
948 // ----------- S t a t e ------------- | 946 // ----------- S t a t e ------------- |
949 // -- r0 : value | 947 // -- r0 : value |
950 // -- r2 : name | 948 // -- r2 : name |
951 // -- lr : return address | 949 // -- lr : return address |
952 // -- [sp] : receiver | 950 // -- [sp] : receiver |
953 // ----------------------------------- | 951 // ----------------------------------- |
954 Label miss; | 952 Label miss; |
955 | 953 |
956 __ IncrementCounter(&Counters::named_store_global_inline, 1, r1, r3); | |
957 | |
958 // Check that the map of the global has not changed. | 954 // Check that the map of the global has not changed. |
959 __ ldr(r1, MemOperand(sp, 0 * kPointerSize)); | 955 __ ldr(r1, MemOperand(sp, 0 * kPointerSize)); |
960 __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset)); | 956 __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset)); |
961 __ cmp(r3, Operand(Handle<Map>(object->map()))); | 957 __ cmp(r3, Operand(Handle<Map>(object->map()))); |
962 __ b(ne, &miss); | 958 __ b(ne, &miss); |
963 | 959 |
964 // Store the value in the cell. | 960 // Store the value in the cell. |
965 __ mov(r2, Operand(Handle<JSGlobalPropertyCell>(cell))); | 961 __ mov(r2, Operand(Handle<JSGlobalPropertyCell>(cell))); |
966 __ str(r0, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset)); | 962 __ str(r0, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset)); |
967 | 963 |
| 964 __ IncrementCounter(&Counters::named_store_global_inline, 1, r1, r3); |
968 __ Ret(); | 965 __ Ret(); |
969 | 966 |
970 // Handle store cache miss. | 967 // Handle store cache miss. |
971 __ bind(&miss); | 968 __ bind(&miss); |
972 __ DecrementCounter(&Counters::named_store_global_inline, 1, r1, r3); | |
973 __ IncrementCounter(&Counters::named_store_global_inline_miss, 1, r1, r3); | 969 __ IncrementCounter(&Counters::named_store_global_inline_miss, 1, r1, r3); |
974 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); | 970 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
975 __ Jump(ic, RelocInfo::CODE_TARGET); | 971 __ Jump(ic, RelocInfo::CODE_TARGET); |
976 | 972 |
977 // Return the generated code. | 973 // Return the generated code. |
978 return GetCode(NORMAL, name); | 974 return GetCode(NORMAL, name); |
979 } | 975 } |
980 | 976 |
981 | 977 |
982 Object* LoadStubCompiler::CompileLoadField(JSObject* object, | 978 Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
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1078 JSGlobalPropertyCell* cell, | 1074 JSGlobalPropertyCell* cell, |
1079 String* name, | 1075 String* name, |
1080 bool is_dont_delete) { | 1076 bool is_dont_delete) { |
1081 // ----------- S t a t e ------------- | 1077 // ----------- S t a t e ------------- |
1082 // -- r2 : name | 1078 // -- r2 : name |
1083 // -- lr : return address | 1079 // -- lr : return address |
1084 // -- [sp] : receiver | 1080 // -- [sp] : receiver |
1085 // ----------------------------------- | 1081 // ----------------------------------- |
1086 Label miss; | 1082 Label miss; |
1087 | 1083 |
1088 __ IncrementCounter(&Counters::named_load_global_inline, 1, r1, r3); | |
1089 | |
1090 // Get the receiver from the stack. | 1084 // Get the receiver from the stack. |
1091 __ ldr(r1, MemOperand(sp, 0 * kPointerSize)); | 1085 __ ldr(r1, MemOperand(sp, 0 * kPointerSize)); |
1092 | 1086 |
1093 // If the object is the holder then we know that it's a global | 1087 // If the object is the holder then we know that it's a global |
1094 // object which can only happen for contextual calls. In this case, | 1088 // object which can only happen for contextual calls. In this case, |
1095 // the receiver cannot be a smi. | 1089 // the receiver cannot be a smi. |
1096 if (object != holder) { | 1090 if (object != holder) { |
1097 __ tst(r1, Operand(kSmiTagMask)); | 1091 __ tst(r1, Operand(kSmiTagMask)); |
1098 __ b(eq, &miss); | 1092 __ b(eq, &miss); |
1099 } | 1093 } |
1100 | 1094 |
1101 // Check that the map of the global has not changed. | 1095 // Check that the map of the global has not changed. |
1102 CheckPrototypes(object, r1, holder, r3, r0, name, &miss); | 1096 CheckPrototypes(object, r1, holder, r3, r0, name, &miss); |
1103 | 1097 |
1104 // Get the value from the cell. | 1098 // Get the value from the cell. |
1105 __ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell))); | 1099 __ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell))); |
1106 __ ldr(r0, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset)); | 1100 __ ldr(r0, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset)); |
1107 | 1101 |
1108 // Check for deleted property if property can actually be deleted. | 1102 // Check for deleted property if property can actually be deleted. |
1109 if (!is_dont_delete) { | 1103 if (!is_dont_delete) { |
1110 __ cmp(r0, Operand(Factory::the_hole_value())); | 1104 __ cmp(r0, Operand(Factory::the_hole_value())); |
1111 __ b(eq, &miss); | 1105 __ b(eq, &miss); |
1112 } | 1106 } |
1113 | 1107 |
| 1108 __ IncrementCounter(&Counters::named_load_global_inline, 1, r1, r3); |
1114 __ Ret(); | 1109 __ Ret(); |
1115 | 1110 |
1116 __ bind(&miss); | 1111 __ bind(&miss); |
1117 __ DecrementCounter(&Counters::named_load_global_inline, 1, r1, r3); | |
1118 __ IncrementCounter(&Counters::named_load_global_inline_miss, 1, r1, r3); | 1112 __ IncrementCounter(&Counters::named_load_global_inline_miss, 1, r1, r3); |
1119 GenerateLoadMiss(masm(), Code::LOAD_IC); | 1113 GenerateLoadMiss(masm(), Code::LOAD_IC); |
1120 | 1114 |
1121 // Return the generated code. | 1115 // Return the generated code. |
1122 return GetCode(NORMAL, name); | 1116 return GetCode(NORMAL, name); |
1123 } | 1117 } |
1124 | 1118 |
1125 | 1119 |
1126 Object* KeyedLoadStubCompiler::CompileLoadField(String* name, | 1120 Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
1127 JSObject* receiver, | 1121 JSObject* receiver, |
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1330 __ Jump(ic, RelocInfo::CODE_TARGET); | 1324 __ Jump(ic, RelocInfo::CODE_TARGET); |
1331 | 1325 |
1332 // Return the generated code. | 1326 // Return the generated code. |
1333 return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); | 1327 return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
1334 } | 1328 } |
1335 | 1329 |
1336 | 1330 |
1337 #undef __ | 1331 #undef __ |
1338 | 1332 |
1339 } } // namespace v8::internal | 1333 } } // namespace v8::internal |
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