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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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873 // Remove the pointers stored on the stack. | 873 // Remove the pointers stored on the stack. |
874 __ bind(loop_statement.break_target()); | 874 __ bind(loop_statement.break_target()); |
875 __ add(Operand(esp), Immediate(5 * kPointerSize)); | 875 __ add(Operand(esp), Immediate(5 * kPointerSize)); |
876 | 876 |
877 // Exit and decrement the loop depth. | 877 // Exit and decrement the loop depth. |
878 __ bind(&exit); | 878 __ bind(&exit); |
879 decrement_loop_depth(); | 879 decrement_loop_depth(); |
880 } | 880 } |
881 | 881 |
882 | 882 |
883 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info) { | 883 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
| 884 bool pretenure) { |
884 // Use the fast case closure allocation code that allocates in new | 885 // Use the fast case closure allocation code that allocates in new |
885 // space for nested functions that don't need literals cloning. | 886 // space for nested functions that don't need literals cloning. |
886 if (scope()->is_function_scope() && info->num_literals() == 0) { | 887 if (scope()->is_function_scope() && |
| 888 info->num_literals() == 0 && |
| 889 !pretenure) { |
887 FastNewClosureStub stub; | 890 FastNewClosureStub stub; |
888 __ push(Immediate(info)); | 891 __ push(Immediate(info)); |
889 __ CallStub(&stub); | 892 __ CallStub(&stub); |
890 } else { | 893 } else { |
891 __ push(esi); | 894 __ push(esi); |
892 __ push(Immediate(info)); | 895 __ push(Immediate(info)); |
893 __ CallRuntime(Runtime::kNewClosure, 2); | 896 __ push(Immediate(pretenure |
| 897 ? Factory::true_value() |
| 898 : Factory::false_value())); |
| 899 __ CallRuntime(Runtime::kNewClosure, 3); |
894 } | 900 } |
895 context()->Plug(eax); | 901 context()->Plug(eax); |
896 } | 902 } |
897 | 903 |
898 | 904 |
899 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { | 905 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { |
900 Comment cmnt(masm_, "[ VariableProxy"); | 906 Comment cmnt(masm_, "[ VariableProxy"); |
901 EmitVariableLoad(expr->var()); | 907 EmitVariableLoad(expr->var()); |
902 } | 908 } |
903 | 909 |
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3942 // And return. | 3948 // And return. |
3943 __ ret(0); | 3949 __ ret(0); |
3944 } | 3950 } |
3945 | 3951 |
3946 | 3952 |
3947 #undef __ | 3953 #undef __ |
3948 | 3954 |
3949 } } // namespace v8::internal | 3955 } } // namespace v8::internal |
3950 | 3956 |
3951 #endif // V8_TARGET_ARCH_IA32 | 3957 #endif // V8_TARGET_ARCH_IA32 |
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