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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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532 // allocation is undone. | 532 // allocation is undone. |
533 void UndoAllocationInNewSpace(Register object, Register scratch); | 533 void UndoAllocationInNewSpace(Register object, Register scratch); |
534 | 534 |
535 | 535 |
536 void AllocateTwoByteString(Register result, | 536 void AllocateTwoByteString(Register result, |
537 Register length, | 537 Register length, |
538 Register scratch1, | 538 Register scratch1, |
539 Register scratch2, | 539 Register scratch2, |
540 Register scratch3, | 540 Register scratch3, |
541 Label* gc_required); | 541 Label* gc_required); |
542 void AllocateAsciiString(Register result, | 542 void AllocateOneByteString(Register result, Register length, |
543 Register length, | 543 Register scratch1, Register scratch2, |
544 Register scratch1, | 544 Register scratch3, Label* gc_required); |
545 Register scratch2, | |
546 Register scratch3, | |
547 Label* gc_required); | |
548 void AllocateTwoByteConsString(Register result, | 545 void AllocateTwoByteConsString(Register result, |
549 Register length, | 546 Register length, |
550 Register scratch1, | 547 Register scratch1, |
551 Register scratch2, | 548 Register scratch2, |
552 Label* gc_required); | 549 Label* gc_required); |
553 void AllocateAsciiConsString(Register result, | 550 void AllocateOneByteConsString(Register result, Register length, |
554 Register length, | 551 Register scratch1, Register scratch2, |
555 Register scratch1, | 552 Label* gc_required); |
556 Register scratch2, | |
557 Label* gc_required); | |
558 void AllocateTwoByteSlicedString(Register result, | 553 void AllocateTwoByteSlicedString(Register result, |
559 Register length, | 554 Register length, |
560 Register scratch1, | 555 Register scratch1, |
561 Register scratch2, | 556 Register scratch2, |
562 Label* gc_required); | 557 Label* gc_required); |
563 void AllocateAsciiSlicedString(Register result, | 558 void AllocateOneByteSlicedString(Register result, Register length, |
564 Register length, | 559 Register scratch1, Register scratch2, |
565 Register scratch1, | 560 Label* gc_required); |
566 Register scratch2, | |
567 Label* gc_required); | |
568 | 561 |
569 // Allocates a heap number or jumps to the gc_required label if the young | 562 // Allocates a heap number or jumps to the gc_required label if the young |
570 // space is full and a scavenge is needed. All registers are clobbered also | 563 // space is full and a scavenge is needed. All registers are clobbered also |
571 // when control continues at the gc_required label. | 564 // when control continues at the gc_required label. |
572 void AllocateHeapNumber(Register result, | 565 void AllocateHeapNumber(Register result, |
573 Register scratch1, | 566 Register scratch1, |
574 Register scratch2, | 567 Register scratch2, |
575 Register heap_number_map, | 568 Register heap_number_map, |
576 Label* gc_required, | 569 Label* gc_required, |
577 TaggingMode tagging_mode = TAG_RESULT, | 570 TaggingMode tagging_mode = TAG_RESULT, |
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1543 // with the result in the result register. The object and the result register | 1536 // with the result in the result register. The object and the result register |
1544 // can be the same. If the number is not found in the cache the code jumps to | 1537 // can be the same. If the number is not found in the cache the code jumps to |
1545 // the label not_found with only the content of register object unchanged. | 1538 // the label not_found with only the content of register object unchanged. |
1546 void LookupNumberStringCache(Register object, | 1539 void LookupNumberStringCache(Register object, |
1547 Register result, | 1540 Register result, |
1548 Register scratch1, | 1541 Register scratch1, |
1549 Register scratch2, | 1542 Register scratch2, |
1550 Register scratch3, | 1543 Register scratch3, |
1551 Label* not_found); | 1544 Label* not_found); |
1552 | 1545 |
1553 // Checks if both instance types are sequential ASCII strings and jumps to | 1546 // Checks if both instance types are sequential one-byte strings and jumps to |
1554 // label if either is not. | 1547 // label if either is not. |
1555 void JumpIfBothInstanceTypesAreNotSequentialAscii( | 1548 void JumpIfBothInstanceTypesAreNotSequentialOneByte( |
1556 Register first_object_instance_type, | 1549 Register first_object_instance_type, Register second_object_instance_type, |
1557 Register second_object_instance_type, | 1550 Register scratch1, Register scratch2, Label* failure); |
1558 Register scratch1, | |
1559 Register scratch2, | |
1560 Label* failure); | |
1561 | 1551 |
1562 // Check if instance type is sequential ASCII string and jump to label if | 1552 // Check if instance type is sequential one-byte string and jump to label if |
1563 // it is not. | 1553 // it is not. |
1564 void JumpIfInstanceTypeIsNotSequentialAscii(Register type, | 1554 void JumpIfInstanceTypeIsNotSequentialOneByte(Register type, Register scratch, |
1565 Register scratch, | 1555 Label* failure); |
1566 Label* failure); | |
1567 | 1556 |
1568 void JumpIfNotUniqueName(Register reg, Label* not_unique_name); | 1557 void JumpIfNotUniqueName(Register reg, Label* not_unique_name); |
1569 | 1558 |
1570 void EmitSeqStringSetCharCheck(Register string, | 1559 void EmitSeqStringSetCharCheck(Register string, |
1571 Register index, | 1560 Register index, |
1572 Register value, | 1561 Register value, |
1573 Register scratch, | 1562 Register scratch, |
1574 uint32_t encoding_mask); | 1563 uint32_t encoding_mask); |
1575 | 1564 |
1576 // Test that both first and second are sequential ASCII strings. | 1565 // Checks if both objects are sequential one-byte strings and jumps to label |
1577 // Assume that they are non-smis. | 1566 // if either is not. Assumes that neither object is a smi. |
1578 void JumpIfNonSmisNotBothSequentialAsciiStrings(Register first, | 1567 void JumpIfNonSmisNotBothSequentialOneByteStrings(Register first, |
1579 Register second, | 1568 Register second, |
1580 Register scratch1, | 1569 Register scratch1, |
1581 Register scratch2, | 1570 Register scratch2, |
1582 Label* failure); | 1571 Label* failure); |
1583 | 1572 |
1584 // Test that both first and second are sequential ASCII strings. | 1573 // Checks if both objects are sequential one-byte strings and jumps to label |
1585 // Check that they are non-smis. | 1574 // if either is not. |
1586 void JumpIfNotBothSequentialAsciiStrings(Register first, | 1575 void JumpIfNotBothSequentialOneByteStrings(Register first, Register second, |
1587 Register second, | 1576 Register scratch1, |
1588 Register scratch1, | 1577 Register scratch2, |
1589 Register scratch2, | 1578 Label* not_flat_one_byte_strings); |
1590 Label* failure); | |
1591 | 1579 |
1592 void ClampUint8(Register output_reg, Register input_reg); | 1580 void ClampUint8(Register output_reg, Register input_reg); |
1593 | 1581 |
1594 void ClampDoubleToUint8(Register result_reg, | 1582 void ClampDoubleToUint8(Register result_reg, |
1595 DoubleRegister input_reg, | 1583 DoubleRegister input_reg, |
1596 DoubleRegister temp_double_reg); | 1584 DoubleRegister temp_double_reg); |
1597 | 1585 |
1598 | 1586 |
1599 void LoadInstanceDescriptors(Register map, Register descriptors); | 1587 void LoadInstanceDescriptors(Register map, Register descriptors); |
1600 void EnumLength(Register dst, Register map); | 1588 void EnumLength(Register dst, Register map); |
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1784 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 1772 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
1785 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1773 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1786 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1774 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1787 #else | 1775 #else |
1788 #define ACCESS_MASM(masm) masm-> | 1776 #define ACCESS_MASM(masm) masm-> |
1789 #endif | 1777 #endif |
1790 | 1778 |
1791 } } // namespace v8::internal | 1779 } } // namespace v8::internal |
1792 | 1780 |
1793 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1781 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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