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Issue 11293168: Rename kAsciiStringTag to kOneByteStringTag (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 1 month ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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3544 __ bind(&loop); 3544 __ bind(&loop);
3545 __ movq(string, FieldOperand(elements, 3545 __ movq(string, FieldOperand(elements,
3546 index, 3546 index,
3547 times_pointer_size, 3547 times_pointer_size,
3548 FixedArray::kHeaderSize)); 3548 FixedArray::kHeaderSize));
3549 __ JumpIfSmi(string, &bailout); 3549 __ JumpIfSmi(string, &bailout);
3550 __ movq(scratch, FieldOperand(string, HeapObject::kMapOffset)); 3550 __ movq(scratch, FieldOperand(string, HeapObject::kMapOffset));
3551 __ movzxbl(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); 3551 __ movzxbl(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));
3552 __ andb(scratch, Immediate( 3552 __ andb(scratch, Immediate(
3553 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask)); 3553 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask));
3554 __ cmpb(scratch, Immediate(kStringTag | kAsciiStringTag | kSeqStringTag)); 3554 __ cmpb(scratch, Immediate(kStringTag | kOneByteStringTag | kSeqStringTag));
3555 __ j(not_equal, &bailout); 3555 __ j(not_equal, &bailout);
3556 __ AddSmiField(string_length, 3556 __ AddSmiField(string_length,
3557 FieldOperand(string, SeqAsciiString::kLengthOffset)); 3557 FieldOperand(string, SeqAsciiString::kLengthOffset));
3558 __ j(overflow, &bailout); 3558 __ j(overflow, &bailout);
3559 __ incl(index); 3559 __ incl(index);
3560 __ cmpl(index, array_length); 3560 __ cmpl(index, array_length);
3561 __ j(less, &loop); 3561 __ j(less, &loop);
3562 3562
3563 // Live registers: 3563 // Live registers:
3564 // string_length: Sum of string lengths. 3564 // string_length: Sum of string lengths.
(...skipping 18 matching lines...) Expand all
3583 // elements: FixedArray of strings. 3583 // elements: FixedArray of strings.
3584 // index: Array length. 3584 // index: Array length.
3585 3585
3586 // Check that the separator is a sequential ASCII string. 3586 // Check that the separator is a sequential ASCII string.
3587 __ movq(string, separator_operand); 3587 __ movq(string, separator_operand);
3588 __ JumpIfSmi(string, &bailout); 3588 __ JumpIfSmi(string, &bailout);
3589 __ movq(scratch, FieldOperand(string, HeapObject::kMapOffset)); 3589 __ movq(scratch, FieldOperand(string, HeapObject::kMapOffset));
3590 __ movzxbl(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); 3590 __ movzxbl(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));
3591 __ andb(scratch, Immediate( 3591 __ andb(scratch, Immediate(
3592 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask)); 3592 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask));
3593 __ cmpb(scratch, Immediate(kStringTag | kAsciiStringTag | kSeqStringTag)); 3593 __ cmpb(scratch, Immediate(kStringTag | kOneByteStringTag | kSeqStringTag));
3594 __ j(not_equal, &bailout); 3594 __ j(not_equal, &bailout);
3595 3595
3596 // Live registers: 3596 // Live registers:
3597 // string_length: Sum of string lengths. 3597 // string_length: Sum of string lengths.
3598 // elements: FixedArray of strings. 3598 // elements: FixedArray of strings.
3599 // index: Array length. 3599 // index: Array length.
3600 // string: Separator string. 3600 // string: Separator string.
3601 3601
3602 // Add (separator length times (array_length - 1)) to string_length. 3602 // Add (separator length times (array_length - 1)) to string_length.
3603 __ SmiToInteger32(scratch, 3603 __ SmiToInteger32(scratch,
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4514 *context_length = 0; 4514 *context_length = 0;
4515 return previous_; 4515 return previous_;
4516 } 4516 }
4517 4517
4518 4518
4519 #undef __ 4519 #undef __
4520 4520
4521 } } // namespace v8::internal 4521 } } // namespace v8::internal
4522 4522
4523 #endif // V8_TARGET_ARCH_X64 4523 #endif // V8_TARGET_ARCH_X64
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