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Issue 6577036: [Isolates] Merge from bleeding_edge to isolates, revisions 6100-6300. (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: '' Created 9 years, 10 months ago
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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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497 497
498 Register function = r1; 498 Register function = r1;
499 if (FLAG_debug_code) { 499 if (FLAG_debug_code) {
500 __ LoadGlobalFunction(Context::STRING_FUNCTION_INDEX, r2); 500 __ LoadGlobalFunction(Context::STRING_FUNCTION_INDEX, r2);
501 __ cmp(function, Operand(r2)); 501 __ cmp(function, Operand(r2));
502 __ Assert(eq, "Unexpected String function"); 502 __ Assert(eq, "Unexpected String function");
503 } 503 }
504 504
505 // Load the first arguments in r0 and get rid of the rest. 505 // Load the first arguments in r0 and get rid of the rest.
506 Label no_arguments; 506 Label no_arguments;
507 __ cmp(r0, Operand(0)); 507 __ cmp(r0, Operand(0, RelocInfo::NONE));
508 __ b(eq, &no_arguments); 508 __ b(eq, &no_arguments);
509 // First args = sp[(argc - 1) * 4]. 509 // First args = sp[(argc - 1) * 4].
510 __ sub(r0, r0, Operand(1)); 510 __ sub(r0, r0, Operand(1));
511 __ ldr(r0, MemOperand(sp, r0, LSL, kPointerSizeLog2, PreIndex)); 511 __ ldr(r0, MemOperand(sp, r0, LSL, kPointerSizeLog2, PreIndex));
512 // sp now point to args[0], drop args[0] + receiver. 512 // sp now point to args[0], drop args[0] + receiver.
513 __ Drop(2); 513 __ Drop(2);
514 514
515 Register argument = r2; 515 Register argument = r2;
516 Label not_cached, argument_is_string; 516 Label not_cached, argument_is_string;
517 NumberToStringStub::GenerateLookupNumberStringCache( 517 NumberToStringStub::GenerateLookupNumberStringCache(
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541 TAG_OBJECT); 541 TAG_OBJECT);
542 542
543 // Initialising the String Object. 543 // Initialising the String Object.
544 Register map = r3; 544 Register map = r3;
545 __ LoadGlobalFunctionInitialMap(function, map, r4); 545 __ LoadGlobalFunctionInitialMap(function, map, r4);
546 if (FLAG_debug_code) { 546 if (FLAG_debug_code) {
547 __ ldrb(r4, FieldMemOperand(map, Map::kInstanceSizeOffset)); 547 __ ldrb(r4, FieldMemOperand(map, Map::kInstanceSizeOffset));
548 __ cmp(r4, Operand(JSValue::kSize >> kPointerSizeLog2)); 548 __ cmp(r4, Operand(JSValue::kSize >> kPointerSizeLog2));
549 __ Assert(eq, "Unexpected string wrapper instance size"); 549 __ Assert(eq, "Unexpected string wrapper instance size");
550 __ ldrb(r4, FieldMemOperand(map, Map::kUnusedPropertyFieldsOffset)); 550 __ ldrb(r4, FieldMemOperand(map, Map::kUnusedPropertyFieldsOffset));
551 __ cmp(r4, Operand(0)); 551 __ cmp(r4, Operand(0, RelocInfo::NONE));
552 __ Assert(eq, "Unexpected unused properties of string wrapper"); 552 __ Assert(eq, "Unexpected unused properties of string wrapper");
553 } 553 }
554 __ str(map, FieldMemOperand(r0, HeapObject::kMapOffset)); 554 __ str(map, FieldMemOperand(r0, HeapObject::kMapOffset));
555 555
556 __ LoadRoot(r3, Heap::kEmptyFixedArrayRootIndex); 556 __ LoadRoot(r3, Heap::kEmptyFixedArrayRootIndex);
557 __ str(r3, FieldMemOperand(r0, JSObject::kPropertiesOffset)); 557 __ str(r3, FieldMemOperand(r0, JSObject::kPropertiesOffset));
558 __ str(r3, FieldMemOperand(r0, JSObject::kElementsOffset)); 558 __ str(r3, FieldMemOperand(r0, JSObject::kElementsOffset));
559 559
560 __ str(argument, FieldMemOperand(r0, JSValue::kValueOffset)); 560 __ str(argument, FieldMemOperand(r0, JSValue::kValueOffset));
561 561
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1568 __ bind(&dont_adapt_arguments); 1568 __ bind(&dont_adapt_arguments);
1569 __ Jump(r3); 1569 __ Jump(r3);
1570 } 1570 }
1571 1571
1572 1572
1573 #undef __ 1573 #undef __
1574 1574
1575 } } // namespace v8::internal 1575 } } // namespace v8::internal
1576 1576
1577 #endif // V8_TARGET_ARCH_ARM 1577 #endif // V8_TARGET_ARCH_ARM
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