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Issue 6597029: [Isolates] Merge r 6300:6500 from bleeding_edge to isolates. (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: Created 9 years, 9 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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183 Label* gc_required) { 183 Label* gc_required) {
184 Label not_empty, allocated; 184 Label not_empty, allocated;
185 185
186 // Load the initial map from the array function. 186 // Load the initial map from the array function.
187 __ ldr(elements_array_storage, 187 __ ldr(elements_array_storage,
188 FieldMemOperand(array_function, 188 FieldMemOperand(array_function,
189 JSFunction::kPrototypeOrInitialMapOffset)); 189 JSFunction::kPrototypeOrInitialMapOffset));
190 190
191 // Check whether an empty sized array is requested. 191 // Check whether an empty sized array is requested.
192 __ tst(array_size, array_size); 192 __ tst(array_size, array_size);
193 __ b(nz, &not_empty); 193 __ b(ne, &not_empty);
194 194
195 // If an empty array is requested allocate a small elements array anyway. This 195 // If an empty array is requested allocate a small elements array anyway. This
196 // keeps the code below free of special casing for the empty array. 196 // keeps the code below free of special casing for the empty array.
197 int size = JSArray::kSize + 197 int size = JSArray::kSize +
198 FixedArray::SizeFor(JSArray::kPreallocatedArrayElements); 198 FixedArray::SizeFor(JSArray::kPreallocatedArrayElements);
199 __ AllocateInNewSpace(size, 199 __ AllocateInNewSpace(size,
200 result, 200 result,
201 elements_array_end, 201 elements_array_end,
202 scratch1, 202 scratch1,
203 gc_required, 203 gc_required,
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561 561
562 // Ensure the object is fully initialized. 562 // Ensure the object is fully initialized.
563 STATIC_ASSERT(JSValue::kSize == 4 * kPointerSize); 563 STATIC_ASSERT(JSValue::kSize == 4 * kPointerSize);
564 564
565 __ Ret(); 565 __ Ret();
566 566
567 // The argument was not found in the number to string cache. Check 567 // The argument was not found in the number to string cache. Check
568 // if it's a string already before calling the conversion builtin. 568 // if it's a string already before calling the conversion builtin.
569 Label convert_argument; 569 Label convert_argument;
570 __ bind(&not_cached); 570 __ bind(&not_cached);
571 __ BranchOnSmi(r0, &convert_argument); 571 __ JumpIfSmi(r0, &convert_argument);
572 572
573 // Is it a String? 573 // Is it a String?
574 __ ldr(r2, FieldMemOperand(r0, HeapObject::kMapOffset)); 574 __ ldr(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
575 __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceTypeOffset)); 575 __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceTypeOffset));
576 ASSERT(kNotStringTag != 0); 576 ASSERT(kNotStringTag != 0);
577 __ tst(r3, Operand(kIsNotStringMask)); 577 __ tst(r3, Operand(kIsNotStringMask));
578 __ b(ne, &convert_argument); 578 __ b(ne, &convert_argument);
579 __ mov(argument, r0); 579 __ mov(argument, r0);
580 __ IncrementCounter(COUNTERS->string_ctor_conversions(), 1, r3, r4); 580 __ IncrementCounter(COUNTERS->string_ctor_conversions(), 1, r3, r4);
581 __ b(&argument_is_string); 581 __ b(&argument_is_string);
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661 // preconditions is not met, the code bails out to the runtime call. 661 // preconditions is not met, the code bails out to the runtime call.
662 Label rt_call, allocated; 662 Label rt_call, allocated;
663 if (FLAG_inline_new) { 663 if (FLAG_inline_new) {
664 Label undo_allocation; 664 Label undo_allocation;
665 #ifdef ENABLE_DEBUGGER_SUPPORT 665 #ifdef ENABLE_DEBUGGER_SUPPORT
666 ExternalReference debug_step_in_fp = 666 ExternalReference debug_step_in_fp =
667 ExternalReference::debug_step_in_fp_address(); 667 ExternalReference::debug_step_in_fp_address();
668 __ mov(r2, Operand(debug_step_in_fp)); 668 __ mov(r2, Operand(debug_step_in_fp));
669 __ ldr(r2, MemOperand(r2)); 669 __ ldr(r2, MemOperand(r2));
670 __ tst(r2, r2); 670 __ tst(r2, r2);
671 __ b(nz, &rt_call); 671 __ b(ne, &rt_call);
672 #endif 672 #endif
673 673
674 // Load the initial map and verify that it is in fact a map. 674 // Load the initial map and verify that it is in fact a map.
675 // r1: constructor function 675 // r1: constructor function
676 __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset)); 676 __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
677 __ tst(r2, Operand(kSmiTagMask)); 677 __ tst(r2, Operand(kSmiTagMask));
678 __ b(eq, &rt_call); 678 __ b(eq, &rt_call);
679 __ CompareObjectType(r2, r3, r4, MAP_TYPE); 679 __ CompareObjectType(r2, r3, r4, MAP_TYPE);
680 __ b(ne, &rt_call); 680 __ b(ne, &rt_call);
681 681
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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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