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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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793 | 793 |
794 Object* CallStubCompiler::CompileCallGlobal(JSObject* object, | 794 Object* CallStubCompiler::CompileCallGlobal(JSObject* object, |
795 GlobalObject* holder, | 795 GlobalObject* holder, |
796 JSGlobalPropertyCell* cell, | 796 JSGlobalPropertyCell* cell, |
797 JSFunction* function, | 797 JSFunction* function, |
798 String* name) { | 798 String* name) { |
799 // ----------- S t a t e ------------- | 799 // ----------- S t a t e ------------- |
800 // ----------------------------------- | 800 // ----------------------------------- |
801 Label miss; | 801 Label miss; |
802 | 802 |
803 __ IncrementCounter(&Counters::call_global_inline, 1); | |
804 | |
805 // Get the number of arguments. | 803 // Get the number of arguments. |
806 const int argc = arguments().immediate(); | 804 const int argc = arguments().immediate(); |
807 | 805 |
808 // Get the receiver from the stack. | 806 // Get the receiver from the stack. |
809 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); | 807 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
810 | 808 |
811 // If the object is the holder then we know that it's a global | 809 // If the object is the holder then we know that it's a global |
812 // object which can only happen for contextual calls. In this case, | 810 // object which can only happen for contextual calls. In this case, |
813 // the receiver cannot be a smi. | 811 // the receiver cannot be a smi. |
814 if (object != holder) { | 812 if (object != holder) { |
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830 // Patch the receiver on the stack with the global proxy. | 828 // Patch the receiver on the stack with the global proxy. |
831 if (object->IsGlobalObject()) { | 829 if (object->IsGlobalObject()) { |
832 __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); | 830 __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
833 __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); | 831 __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
834 } | 832 } |
835 | 833 |
836 // Setup the context (function already in edi). | 834 // Setup the context (function already in edi). |
837 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); | 835 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
838 | 836 |
839 // Jump to the cached code (tail call). | 837 // Jump to the cached code (tail call). |
| 838 __ IncrementCounter(&Counters::call_global_inline, 1); |
840 ASSERT(function->is_compiled()); | 839 ASSERT(function->is_compiled()); |
841 Handle<Code> code(function->code()); | 840 Handle<Code> code(function->code()); |
842 ParameterCount expected(function->shared()->formal_parameter_count()); | 841 ParameterCount expected(function->shared()->formal_parameter_count()); |
843 __ InvokeCode(code, expected, arguments(), | 842 __ InvokeCode(code, expected, arguments(), |
844 RelocInfo::CODE_TARGET, JUMP_FUNCTION); | 843 RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
845 | 844 |
846 // Handle call cache miss. | 845 // Handle call cache miss. |
847 __ bind(&miss); | 846 __ bind(&miss); |
848 __ DecrementCounter(&Counters::call_global_inline, 1); | |
849 __ IncrementCounter(&Counters::call_global_inline_miss, 1); | 847 __ IncrementCounter(&Counters::call_global_inline_miss, 1); |
850 Handle<Code> ic = ComputeCallMiss(arguments().immediate()); | 848 Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
851 __ jmp(ic, RelocInfo::CODE_TARGET); | 849 __ jmp(ic, RelocInfo::CODE_TARGET); |
852 | 850 |
853 // Return the generated code. | 851 // Return the generated code. |
854 return GetCode(NORMAL, name); | 852 return GetCode(NORMAL, name); |
855 } | 853 } |
856 | 854 |
857 | 855 |
858 Object* StoreStubCompiler::CompileStoreField(JSObject* object, | 856 Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
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1002 JSGlobalPropertyCell* cell, | 1000 JSGlobalPropertyCell* cell, |
1003 String* name) { | 1001 String* name) { |
1004 // ----------- S t a t e ------------- | 1002 // ----------- S t a t e ------------- |
1005 // -- eax : value | 1003 // -- eax : value |
1006 // -- ecx : name | 1004 // -- ecx : name |
1007 // -- esp[0] : return address | 1005 // -- esp[0] : return address |
1008 // -- esp[4] : receiver | 1006 // -- esp[4] : receiver |
1009 // ----------------------------------- | 1007 // ----------------------------------- |
1010 Label miss; | 1008 Label miss; |
1011 | 1009 |
1012 __ IncrementCounter(&Counters::named_store_global_inline, 1); | |
1013 | |
1014 // Check that the map of the global has not changed. | 1010 // Check that the map of the global has not changed. |
1015 __ mov(ebx, Operand(esp, kPointerSize)); | 1011 __ mov(ebx, Operand(esp, kPointerSize)); |
1016 __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), | 1012 __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
1017 Immediate(Handle<Map>(object->map()))); | 1013 Immediate(Handle<Map>(object->map()))); |
1018 __ j(not_equal, &miss, not_taken); | 1014 __ j(not_equal, &miss, not_taken); |
1019 | 1015 |
1020 // Store the value in the cell. | 1016 // Store the value in the cell. |
1021 __ mov(ecx, Immediate(Handle<JSGlobalPropertyCell>(cell))); | 1017 __ mov(ecx, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
1022 __ mov(FieldOperand(ecx, JSGlobalPropertyCell::kValueOffset), eax); | 1018 __ mov(FieldOperand(ecx, JSGlobalPropertyCell::kValueOffset), eax); |
1023 | 1019 |
1024 // Return the value (register eax). | 1020 // Return the value (register eax). |
| 1021 __ IncrementCounter(&Counters::named_store_global_inline, 1); |
1025 __ ret(0); | 1022 __ ret(0); |
1026 | 1023 |
1027 // Handle store cache miss. | 1024 // Handle store cache miss. |
1028 __ bind(&miss); | 1025 __ bind(&miss); |
1029 __ DecrementCounter(&Counters::named_store_global_inline, 1); | |
1030 __ IncrementCounter(&Counters::named_store_global_inline_miss, 1); | 1026 __ IncrementCounter(&Counters::named_store_global_inline_miss, 1); |
1031 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); | 1027 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
1032 __ jmp(ic, RelocInfo::CODE_TARGET); | 1028 __ jmp(ic, RelocInfo::CODE_TARGET); |
1033 | 1029 |
1034 // Return the generated code. | 1030 // Return the generated code. |
1035 return GetCode(NORMAL, name); | 1031 return GetCode(NORMAL, name); |
1036 } | 1032 } |
1037 | 1033 |
1038 | 1034 |
1039 Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, | 1035 Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
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1180 JSGlobalPropertyCell* cell, | 1176 JSGlobalPropertyCell* cell, |
1181 String* name, | 1177 String* name, |
1182 bool is_dont_delete) { | 1178 bool is_dont_delete) { |
1183 // ----------- S t a t e ------------- | 1179 // ----------- S t a t e ------------- |
1184 // -- ecx : name | 1180 // -- ecx : name |
1185 // -- esp[0] : return address | 1181 // -- esp[0] : return address |
1186 // -- esp[4] : receiver | 1182 // -- esp[4] : receiver |
1187 // ----------------------------------- | 1183 // ----------------------------------- |
1188 Label miss; | 1184 Label miss; |
1189 | 1185 |
1190 __ IncrementCounter(&Counters::named_load_global_inline, 1); | |
1191 | |
1192 // Get the receiver from the stack. | 1186 // Get the receiver from the stack. |
1193 __ mov(eax, Operand(esp, kPointerSize)); | 1187 __ mov(eax, Operand(esp, kPointerSize)); |
1194 | 1188 |
1195 // If the object is the holder then we know that it's a global | 1189 // If the object is the holder then we know that it's a global |
1196 // object which can only happen for contextual loads. In this case, | 1190 // object which can only happen for contextual loads. In this case, |
1197 // the receiver cannot be a smi. | 1191 // the receiver cannot be a smi. |
1198 if (object != holder) { | 1192 if (object != holder) { |
1199 __ test(eax, Immediate(kSmiTagMask)); | 1193 __ test(eax, Immediate(kSmiTagMask)); |
1200 __ j(zero, &miss, not_taken); | 1194 __ j(zero, &miss, not_taken); |
1201 } | 1195 } |
1202 | 1196 |
1203 // Check that the maps haven't changed. | 1197 // Check that the maps haven't changed. |
1204 CheckPrototypes(object, eax, holder, ebx, edx, name, &miss); | 1198 CheckPrototypes(object, eax, holder, ebx, edx, name, &miss); |
1205 | 1199 |
1206 // Get the value from the cell. | 1200 // Get the value from the cell. |
1207 __ mov(eax, Immediate(Handle<JSGlobalPropertyCell>(cell))); | 1201 __ mov(eax, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
1208 __ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); | 1202 __ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); |
1209 | 1203 |
1210 // Check for deleted property if property can actually be deleted. | 1204 // Check for deleted property if property can actually be deleted. |
1211 if (!is_dont_delete) { | 1205 if (!is_dont_delete) { |
1212 __ cmp(eax, Factory::the_hole_value()); | 1206 __ cmp(eax, Factory::the_hole_value()); |
1213 __ j(equal, &miss, not_taken); | 1207 __ j(equal, &miss, not_taken); |
1214 } else if (FLAG_debug_code) { | 1208 } else if (FLAG_debug_code) { |
1215 __ cmp(eax, Factory::the_hole_value()); | 1209 __ cmp(eax, Factory::the_hole_value()); |
1216 __ Check(not_equal, "DontDelete cells can't contain the hole"); | 1210 __ Check(not_equal, "DontDelete cells can't contain the hole"); |
1217 } | 1211 } |
1218 | 1212 |
| 1213 __ IncrementCounter(&Counters::named_load_global_inline, 1); |
1219 __ ret(0); | 1214 __ ret(0); |
1220 | 1215 |
1221 __ bind(&miss); | 1216 __ bind(&miss); |
1222 __ DecrementCounter(&Counters::named_load_global_inline, 1); | |
1223 __ IncrementCounter(&Counters::named_load_global_inline_miss, 1); | 1217 __ IncrementCounter(&Counters::named_load_global_inline_miss, 1); |
1224 GenerateLoadMiss(masm(), Code::LOAD_IC); | 1218 GenerateLoadMiss(masm(), Code::LOAD_IC); |
1225 | 1219 |
1226 // Return the generated code. | 1220 // Return the generated code. |
1227 return GetCode(NORMAL, name); | 1221 return GetCode(NORMAL, name); |
1228 } | 1222 } |
1229 | 1223 |
1230 | 1224 |
1231 Object* KeyedLoadStubCompiler::CompileLoadField(String* name, | 1225 Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
1232 JSObject* receiver, | 1226 JSObject* receiver, |
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1430 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | 1424 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
1431 | 1425 |
1432 // Return the generated code. | 1426 // Return the generated code. |
1433 return GetCode(CALLBACKS, name); | 1427 return GetCode(CALLBACKS, name); |
1434 } | 1428 } |
1435 | 1429 |
1436 | 1430 |
1437 #undef __ | 1431 #undef __ |
1438 | 1432 |
1439 } } // namespace v8::internal | 1433 } } // namespace v8::internal |
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