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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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2900 function->shared()->formal_parameter_count() == arity; | 2900 function->shared()->formal_parameter_count() == arity; |
2901 | 2901 |
2902 LPointerMap* pointers = instr->pointer_map(); | 2902 LPointerMap* pointers = instr->pointer_map(); |
2903 RecordPosition(pointers->position()); | 2903 RecordPosition(pointers->position()); |
2904 | 2904 |
2905 if (can_invoke_directly) { | 2905 if (can_invoke_directly) { |
2906 if (a1_state == A1_UNINITIALIZED) { | 2906 if (a1_state == A1_UNINITIALIZED) { |
2907 __ LoadHeapObject(a1, function); | 2907 __ LoadHeapObject(a1, function); |
2908 } | 2908 } |
2909 | 2909 |
2910 // Change context if needed. | 2910 // Change context. |
2911 bool change_context = | 2911 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); |
2912 (info()->closure()->context() != function->context()) || | |
2913 scope()->contains_with() || | |
2914 (scope()->num_heap_slots() > 0); | |
2915 if (change_context) { | |
2916 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); | |
2917 } | |
2918 | 2912 |
2919 // Set r0 to arguments count if adaption is not needed. Assumes that r0 | 2913 // Set r0 to arguments count if adaption is not needed. Assumes that r0 |
2920 // is available to write to at this point. | 2914 // is available to write to at this point. |
2921 if (!function->NeedsArgumentsAdaption()) { | 2915 if (!function->NeedsArgumentsAdaption()) { |
2922 __ li(a0, Operand(arity)); | 2916 __ li(a0, Operand(arity)); |
2923 } | 2917 } |
2924 | 2918 |
2925 // Invoke function. | 2919 // Invoke function. |
2926 __ SetCallKind(t1, call_kind); | 2920 __ SetCallKind(t1, call_kind); |
2927 __ lw(at, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); | 2921 __ lw(at, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); |
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5207 __ Subu(scratch, result, scratch); | 5201 __ Subu(scratch, result, scratch); |
5208 __ lw(result, FieldMemOperand(scratch, | 5202 __ lw(result, FieldMemOperand(scratch, |
5209 FixedArray::kHeaderSize - kPointerSize)); | 5203 FixedArray::kHeaderSize - kPointerSize)); |
5210 __ bind(&done); | 5204 __ bind(&done); |
5211 } | 5205 } |
5212 | 5206 |
5213 | 5207 |
5214 #undef __ | 5208 #undef __ |
5215 | 5209 |
5216 } } // namespace v8::internal | 5210 } } // namespace v8::internal |
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