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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 5 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
6 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 6 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/globals.h" | 9 #include "src/globals.h" |
10 #include "src/mips64/assembler-mips64.h" | 10 #include "src/mips64/assembler-mips64.h" |
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581 | 581 |
582 // FastAllocate is right now only used for folded allocations. It just | 582 // FastAllocate is right now only used for folded allocations. It just |
583 // increments the top pointer without checking against limit. This can only | 583 // increments the top pointer without checking against limit. This can only |
584 // be done if it was proved earlier that the allocation will succeed. | 584 // be done if it was proved earlier that the allocation will succeed. |
585 void FastAllocate(int object_size, Register result, Register scratch1, | 585 void FastAllocate(int object_size, Register result, Register scratch1, |
586 Register scratch2, AllocationFlags flags); | 586 Register scratch2, AllocationFlags flags); |
587 | 587 |
588 void FastAllocate(Register object_size, Register result, Register result_new, | 588 void FastAllocate(Register object_size, Register result, Register result_new, |
589 Register scratch, AllocationFlags flags); | 589 Register scratch, AllocationFlags flags); |
590 | 590 |
591 void AllocateTwoByteString(Register result, | |
592 Register length, | |
593 Register scratch1, | |
594 Register scratch2, | |
595 Register scratch3, | |
596 Label* gc_required); | |
597 void AllocateOneByteString(Register result, Register length, | |
598 Register scratch1, Register scratch2, | |
599 Register scratch3, Label* gc_required); | |
600 void AllocateTwoByteConsString(Register result, | |
601 Register length, | |
602 Register scratch1, | |
603 Register scratch2, | |
604 Label* gc_required); | |
605 void AllocateOneByteConsString(Register result, Register length, | |
606 Register scratch1, Register scratch2, | |
607 Label* gc_required); | |
608 void AllocateTwoByteSlicedString(Register result, | |
609 Register length, | |
610 Register scratch1, | |
611 Register scratch2, | |
612 Label* gc_required); | |
613 void AllocateOneByteSlicedString(Register result, Register length, | |
614 Register scratch1, Register scratch2, | |
615 Label* gc_required); | |
616 | |
617 // Allocates a heap number or jumps to the gc_required label if the young | 591 // Allocates a heap number or jumps to the gc_required label if the young |
618 // space is full and a scavenge is needed. All registers are clobbered also | 592 // space is full and a scavenge is needed. All registers are clobbered also |
619 // when control continues at the gc_required label. | 593 // when control continues at the gc_required label. |
620 void AllocateHeapNumber(Register result, | 594 void AllocateHeapNumber(Register result, |
621 Register scratch1, | 595 Register scratch1, |
622 Register scratch2, | 596 Register scratch2, |
623 Register heap_number_map, | 597 Register heap_number_map, |
624 Label* gc_required, | 598 Label* gc_required, |
625 MutableMode mode = IMMUTABLE); | 599 MutableMode mode = IMMUTABLE); |
626 | 600 |
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1753 | 1727 |
1754 // ------------------------------------------------------------------------- | 1728 // ------------------------------------------------------------------------- |
1755 // String utilities. | 1729 // String utilities. |
1756 | 1730 |
1757 // Checks if both instance types are sequential one-byte strings and jumps to | 1731 // Checks if both instance types are sequential one-byte strings and jumps to |
1758 // label if either is not. | 1732 // label if either is not. |
1759 void JumpIfBothInstanceTypesAreNotSequentialOneByte( | 1733 void JumpIfBothInstanceTypesAreNotSequentialOneByte( |
1760 Register first_object_instance_type, Register second_object_instance_type, | 1734 Register first_object_instance_type, Register second_object_instance_type, |
1761 Register scratch1, Register scratch2, Label* failure); | 1735 Register scratch1, Register scratch2, Label* failure); |
1762 | 1736 |
1763 // Check if instance type is sequential one-byte string and jump to label if | |
1764 // it is not. | |
1765 void JumpIfInstanceTypeIsNotSequentialOneByte(Register type, Register scratch, | |
1766 Label* failure); | |
1767 | |
1768 void JumpIfNotUniqueNameInstanceType(Register reg, Label* not_unique_name); | 1737 void JumpIfNotUniqueNameInstanceType(Register reg, Label* not_unique_name); |
1769 | 1738 |
1770 void EmitSeqStringSetCharCheck(Register string, | 1739 void EmitSeqStringSetCharCheck(Register string, |
1771 Register index, | 1740 Register index, |
1772 Register value, | 1741 Register value, |
1773 Register scratch, | 1742 Register scratch, |
1774 uint32_t encoding_mask); | 1743 uint32_t encoding_mask); |
1775 | 1744 |
1776 // Checks if both objects are sequential one-byte strings and jumps to label | 1745 // Checks if both objects are sequential one-byte strings and jumps to label |
1777 // if either is not. Assumes that neither object is a smi. | 1746 // if either is not. Assumes that neither object is a smi. |
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2009 dd(GetLabelFunction(index)); | 1978 dd(GetLabelFunction(index)); |
2010 } | 1979 } |
2011 } | 1980 } |
2012 | 1981 |
2013 #define ACCESS_MASM(masm) masm-> | 1982 #define ACCESS_MASM(masm) masm-> |
2014 | 1983 |
2015 } // namespace internal | 1984 } // namespace internal |
2016 } // namespace v8 | 1985 } // namespace v8 |
2017 | 1986 |
2018 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1987 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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