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Issue 149175: Fix think in IC code. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 5 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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65 65
66 // Check for the absence of an interceptor. 66 // Check for the absence of an interceptor.
67 // Load the map into t0. 67 // Load the map into t0.
68 __ ldr(t0, FieldMemOperand(t1, JSObject::kMapOffset)); 68 __ ldr(t0, FieldMemOperand(t1, JSObject::kMapOffset));
69 // Test the has_named_interceptor bit in the map. 69 // Test the has_named_interceptor bit in the map.
70 __ ldr(r3, FieldMemOperand(t0, Map::kInstanceAttributesOffset)); 70 __ ldr(r3, FieldMemOperand(t0, Map::kInstanceAttributesOffset));
71 __ tst(r3, Operand(1 << (Map::kHasNamedInterceptor + (3 * 8)))); 71 __ tst(r3, Operand(1 << (Map::kHasNamedInterceptor + (3 * 8))));
72 // Jump to miss if the interceptor bit is set. 72 // Jump to miss if the interceptor bit is set.
73 __ b(ne, miss); 73 __ b(ne, miss);
74 74
75 // Bail out if we have a JS global object. 75 // Bail out if we have a JS global proxy object.
76 __ ldrb(r3, FieldMemOperand(t0, Map::kInstanceTypeOffset)); 76 __ ldrb(r3, FieldMemOperand(t0, Map::kInstanceTypeOffset));
77 __ cmp(r3, Operand(JS_GLOBAL_OBJECT_TYPE)); 77 __ cmp(r3, Operand(JS_GLOBAL_PROXY_TYPE));
78 __ b(eq, miss); 78 __ b(eq, miss);
79 79
80 // Check that the properties array is a dictionary. 80 // Check that the properties array is a dictionary.
81 __ ldr(t0, FieldMemOperand(t1, JSObject::kPropertiesOffset)); 81 __ ldr(t0, FieldMemOperand(t1, JSObject::kPropertiesOffset));
82 __ ldr(r3, FieldMemOperand(t0, HeapObject::kMapOffset)); 82 __ ldr(r3, FieldMemOperand(t0, HeapObject::kMapOffset));
83 __ cmp(r3, Operand(Factory::hash_table_map())); 83 __ cmp(r3, Operand(Factory::hash_table_map()));
84 __ b(ne, miss); 84 __ b(ne, miss);
85 85
86 // Compute the capacity mask. 86 // Compute the capacity mask.
87 const int kCapacityOffset = 87 const int kCapacityOffset =
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798 798
799 // Perform tail call to the entry. 799 // Perform tail call to the entry.
800 __ TailCallRuntime(f, 3); 800 __ TailCallRuntime(f, 3);
801 } 801 }
802 802
803 803
804 #undef __ 804 #undef __
805 805
806 806
807 } } // namespace v8::internal 807 } } // namespace v8::internal
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