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Issue 6274009: ARM: Merging constants in simulator and assembler header files and other clea... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 11 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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88 88
89 // If this assert fails, we have to check upper bound too. 89 // If this assert fails, we have to check upper bound too.
90 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); 90 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
91 91
92 GenerateGlobalInstanceTypeCheck(masm, t1, miss); 92 GenerateGlobalInstanceTypeCheck(masm, t1, miss);
93 93
94 // Check that the global object does not require access checks. 94 // Check that the global object does not require access checks.
95 __ ldrb(t1, FieldMemOperand(t0, Map::kBitFieldOffset)); 95 __ ldrb(t1, FieldMemOperand(t0, Map::kBitFieldOffset));
96 __ tst(t1, Operand((1 << Map::kIsAccessCheckNeeded) | 96 __ tst(t1, Operand((1 << Map::kIsAccessCheckNeeded) |
97 (1 << Map::kHasNamedInterceptor))); 97 (1 << Map::kHasNamedInterceptor)));
98 __ b(nz, miss); 98 __ b(ne, miss);
99 99
100 __ ldr(elements, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); 100 __ ldr(elements, FieldMemOperand(receiver, JSObject::kPropertiesOffset));
101 __ ldr(t1, FieldMemOperand(elements, HeapObject::kMapOffset)); 101 __ ldr(t1, FieldMemOperand(elements, HeapObject::kMapOffset));
102 __ LoadRoot(ip, Heap::kHashTableMapRootIndex); 102 __ LoadRoot(ip, Heap::kHashTableMapRootIndex);
103 __ cmp(t1, ip); 103 __ cmp(t1, ip);
104 __ b(nz, miss); 104 __ b(ne, miss);
105 } 105 }
106 106
107 107
108 // Probe the string dictionary in the |elements| register. Jump to the 108 // Probe the string dictionary in the |elements| register. Jump to the
109 // |done| label if a property with the given name is found. Jump to 109 // |done| label if a property with the given name is found. Jump to
110 // the |miss| label otherwise. 110 // the |miss| label otherwise.
111 static void GenerateStringDictionaryProbes(MacroAssembler* masm, 111 static void GenerateStringDictionaryProbes(MacroAssembler* masm,
112 Label* miss, 112 Label* miss,
113 Label* done, 113 Label* done,
114 Register elements, 114 Register elements,
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419 int interceptor_bit, 419 int interceptor_bit,
420 Label* slow) { 420 Label* slow) {
421 // Check that the object isn't a smi. 421 // Check that the object isn't a smi.
422 __ BranchOnSmi(receiver, slow); 422 __ BranchOnSmi(receiver, slow);
423 // Get the map of the receiver. 423 // Get the map of the receiver.
424 __ ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); 424 __ ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
425 // Check bit field. 425 // Check bit field.
426 __ ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset)); 426 __ ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset));
427 __ tst(scratch, 427 __ tst(scratch,
428 Operand((1 << Map::kIsAccessCheckNeeded) | (1 << interceptor_bit))); 428 Operand((1 << Map::kIsAccessCheckNeeded) | (1 << interceptor_bit)));
429 __ b(nz, slow); 429 __ b(ne, slow);
430 // Check that the object is some kind of JS object EXCEPT JS Value type. 430 // Check that the object is some kind of JS object EXCEPT JS Value type.
431 // In the case that the object is a value-wrapper object, 431 // In the case that the object is a value-wrapper object,
432 // we enter the runtime system to make sure that indexing into string 432 // we enter the runtime system to make sure that indexing into string
433 // objects work as intended. 433 // objects work as intended.
434 ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE); 434 ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE);
435 __ ldrb(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset)); 435 __ ldrb(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
436 __ cmp(scratch, Operand(JS_OBJECT_TYPE)); 436 __ cmp(scratch, Operand(JS_OBJECT_TYPE));
437 __ b(lt, slow); 437 __ b(lt, slow);
438 } 438 }
439 439
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2387 2387
2388 2388
2389 void PatchInlinedSmiCode(Address address) { 2389 void PatchInlinedSmiCode(Address address) {
2390 UNIMPLEMENTED(); 2390 UNIMPLEMENTED();
2391 } 2391 }
2392 2392
2393 2393
2394 } } // namespace v8::internal 2394 } } // namespace v8::internal
2395 2395
2396 #endif // V8_TARGET_ARCH_ARM 2396 #endif // V8_TARGET_ARCH_ARM
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