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Issue 8407002: Version 3.7.2 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 9 years, 1 month ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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989 // Use a scratch register here to have only one reloc info when unfolding 989 // Use a scratch register here to have only one reloc info when unfolding
990 // the loop. 990 // the loop.
991 __ mov(scratch3, factory->the_hole_value()); 991 __ mov(scratch3, factory->the_hole_value());
992 for (int i = 0; i < initial_capacity; i++) { 992 for (int i = 0; i < initial_capacity; i++) {
993 __ mov(FieldOperand(scratch1, 993 __ mov(FieldOperand(scratch1,
994 FixedArray::kHeaderSize + i * kPointerSize), 994 FixedArray::kHeaderSize + i * kPointerSize),
995 scratch3); 995 scratch3);
996 } 996 }
997 } else { 997 } else {
998 Label loop, entry; 998 Label loop, entry;
999 __ mov(scratch2, Immediate(initial_capacity));
999 __ jmp(&entry); 1000 __ jmp(&entry);
1000 __ bind(&loop); 1001 __ bind(&loop);
1001 __ mov(Operand(scratch1, 0), factory->the_hole_value()); 1002 __ mov(FieldOperand(scratch1,
1002 __ add(scratch1, Immediate(kPointerSize)); 1003 scratch2,
1004 times_pointer_size,
1005 FixedArray::kHeaderSize),
1006 factory->the_hole_value());
1003 __ bind(&entry); 1007 __ bind(&entry);
1004 __ cmp(scratch1, scratch2); 1008 __ dec(scratch2);
1005 __ j(below, &loop); 1009 __ j(not_sign, &loop);
1006 } 1010 }
1007 } 1011 }
1008 1012
1009 1013
1010 // Allocate a JSArray with the number of elements stored in a register. The 1014 // Allocate a JSArray with the number of elements stored in a register. The
1011 // register array_function holds the built-in Array function and the register 1015 // register array_function holds the built-in Array function and the register
1012 // array_size holds the size of the array as a smi. The allocated array is put 1016 // array_size holds the size of the array as a smi. The allocated array is put
1013 // into the result register and beginning and end of the FixedArray elements 1017 // into the result register and beginning and end of the FixedArray elements
1014 // storage is put into registers elements_array and elements_array_end (see 1018 // storage is put into registers elements_array and elements_array_end (see
1015 // below for when that is not the case). If the parameter fill_with_holes is 1019 // below for when that is not the case). If the parameter fill_with_holes is
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1672 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); 1676 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR);
1673 generator.Generate(); 1677 generator.Generate();
1674 } 1678 }
1675 1679
1676 1680
1677 #undef __ 1681 #undef __
1678 } 1682 }
1679 } // namespace v8::internal 1683 } // namespace v8::internal
1680 1684
1681 #endif // V8_TARGET_ARCH_IA32 1685 #endif // V8_TARGET_ARCH_IA32
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