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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/mips/assembler-mips.h" | 10 #include "src/mips/assembler-mips.h" |
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511 // allocation is undone. | 511 // allocation is undone. |
512 void UndoAllocationInNewSpace(Register object, Register scratch); | 512 void UndoAllocationInNewSpace(Register object, Register scratch); |
513 | 513 |
514 | 514 |
515 void AllocateTwoByteString(Register result, | 515 void AllocateTwoByteString(Register result, |
516 Register length, | 516 Register length, |
517 Register scratch1, | 517 Register scratch1, |
518 Register scratch2, | 518 Register scratch2, |
519 Register scratch3, | 519 Register scratch3, |
520 Label* gc_required); | 520 Label* gc_required); |
521 void AllocateAsciiString(Register result, | 521 void AllocateOneByteString(Register result, Register length, |
522 Register length, | 522 Register scratch1, Register scratch2, |
523 Register scratch1, | 523 Register scratch3, Label* gc_required); |
524 Register scratch2, | |
525 Register scratch3, | |
526 Label* gc_required); | |
527 void AllocateTwoByteConsString(Register result, | 524 void AllocateTwoByteConsString(Register result, |
528 Register length, | 525 Register length, |
529 Register scratch1, | 526 Register scratch1, |
530 Register scratch2, | 527 Register scratch2, |
531 Label* gc_required); | 528 Label* gc_required); |
532 void AllocateAsciiConsString(Register result, | 529 void AllocateOneByteConsString(Register result, Register length, |
533 Register length, | 530 Register scratch1, Register scratch2, |
534 Register scratch1, | 531 Label* gc_required); |
535 Register scratch2, | |
536 Label* gc_required); | |
537 void AllocateTwoByteSlicedString(Register result, | 532 void AllocateTwoByteSlicedString(Register result, |
538 Register length, | 533 Register length, |
539 Register scratch1, | 534 Register scratch1, |
540 Register scratch2, | 535 Register scratch2, |
541 Label* gc_required); | 536 Label* gc_required); |
542 void AllocateAsciiSlicedString(Register result, | 537 void AllocateOneByteSlicedString(Register result, Register length, |
543 Register length, | 538 Register scratch1, Register scratch2, |
544 Register scratch1, | 539 Label* gc_required); |
545 Register scratch2, | |
546 Label* gc_required); | |
547 | 540 |
548 // Allocates a heap number or jumps to the gc_required label if the young | 541 // Allocates a heap number or jumps to the gc_required label if the young |
549 // space is full and a scavenge is needed. All registers are clobbered also | 542 // space is full and a scavenge is needed. All registers are clobbered also |
550 // when control continues at the gc_required label. | 543 // when control continues at the gc_required label. |
551 void AllocateHeapNumber(Register result, | 544 void AllocateHeapNumber(Register result, |
552 Register scratch1, | 545 Register scratch1, |
553 Register scratch2, | 546 Register scratch2, |
554 Register heap_number_map, | 547 Register heap_number_map, |
555 Label* gc_required, | 548 Label* gc_required, |
556 TaggingMode tagging_mode = TAG_RESULT, | 549 TaggingMode tagging_mode = TAG_RESULT, |
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1474 // the label not_found with only the content of register object unchanged. | 1467 // the label not_found with only the content of register object unchanged. |
1475 void LookupNumberStringCache(Register object, | 1468 void LookupNumberStringCache(Register object, |
1476 Register result, | 1469 Register result, |
1477 Register scratch1, | 1470 Register scratch1, |
1478 Register scratch2, | 1471 Register scratch2, |
1479 Register scratch3, | 1472 Register scratch3, |
1480 Label* not_found); | 1473 Label* not_found); |
1481 | 1474 |
1482 // Checks if both instance types are sequential ASCII strings and jumps to | 1475 // Checks if both instance types are sequential ASCII strings and jumps to |
1483 // label if either is not. | 1476 // label if either is not. |
1484 void JumpIfBothInstanceTypesAreNotSequentialAscii( | 1477 void JumpIfBothInstanceTypesAreNotSequentialOneByte( |
1485 Register first_object_instance_type, | 1478 Register first_object_instance_type, Register second_object_instance_type, |
1486 Register second_object_instance_type, | 1479 Register scratch1, Register scratch2, Label* failure); |
1487 Register scratch1, | |
1488 Register scratch2, | |
1489 Label* failure); | |
1490 | 1480 |
1491 // Check if instance type is sequential ASCII string and jump to label if | 1481 // Check if instance type is sequential one-byte string and jump to label if |
1492 // it is not. | 1482 // it is not. |
1493 void JumpIfInstanceTypeIsNotSequentialAscii(Register type, | 1483 void JumpIfInstanceTypeIsNotSequentialOneByte(Register type, Register scratch, |
1494 Register scratch, | 1484 Label* failure); |
1495 Label* failure); | |
1496 | 1485 |
1497 void JumpIfNotUniqueName(Register reg, Label* not_unique_name); | 1486 void JumpIfNotUniqueName(Register reg, Label* not_unique_name); |
1498 | 1487 |
1499 void EmitSeqStringSetCharCheck(Register string, | 1488 void EmitSeqStringSetCharCheck(Register string, |
1500 Register index, | 1489 Register index, |
1501 Register value, | 1490 Register value, |
1502 Register scratch, | 1491 Register scratch, |
1503 uint32_t encoding_mask); | 1492 uint32_t encoding_mask); |
1504 | 1493 |
1505 // Test that both first and second are sequential ASCII strings. | 1494 // Checks if both objects are sequential one-byte strings and jumps to label |
1506 // Assume that they are non-smis. | 1495 // if either is not. Assumes that neither object is a smi. |
1507 void JumpIfNonSmisNotBothSequentialAsciiStrings(Register first, | 1496 void JumpIfNonSmisNotBothSequentialOneByteStrings(Register first, |
1508 Register second, | 1497 Register second, |
1509 Register scratch1, | 1498 Register scratch1, |
1510 Register scratch2, | 1499 Register scratch2, |
1511 Label* failure); | 1500 Label* failure); |
1512 | 1501 |
1513 // Test that both first and second are sequential ASCII strings. | 1502 // Checks if both objects are sequential one-byte strings and jumps to label |
1514 // Check that they are non-smis. | 1503 // if either is not. |
1515 void JumpIfNotBothSequentialAsciiStrings(Register first, | 1504 void JumpIfNotBothSequentialOneByteStrings(Register first, Register second, |
1516 Register second, | 1505 Register scratch1, |
1517 Register scratch1, | 1506 Register scratch2, |
1518 Register scratch2, | 1507 Label* not_flat_one_byte_strings); |
1519 Label* failure); | |
1520 | 1508 |
1521 void ClampUint8(Register output_reg, Register input_reg); | 1509 void ClampUint8(Register output_reg, Register input_reg); |
1522 | 1510 |
1523 void ClampDoubleToUint8(Register result_reg, | 1511 void ClampDoubleToUint8(Register result_reg, |
1524 DoubleRegister input_reg, | 1512 DoubleRegister input_reg, |
1525 DoubleRegister temp_double_reg); | 1513 DoubleRegister temp_double_reg); |
1526 | 1514 |
1527 | 1515 |
1528 void LoadInstanceDescriptors(Register map, Register descriptors); | 1516 void LoadInstanceDescriptors(Register map, Register descriptors); |
1529 void EnumLength(Register dst, Register map); | 1517 void EnumLength(Register dst, Register map); |
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1722 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 1710 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
1723 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1711 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1724 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1712 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1725 #else | 1713 #else |
1726 #define ACCESS_MASM(masm) masm-> | 1714 #define ACCESS_MASM(masm) masm-> |
1727 #endif | 1715 #endif |
1728 | 1716 |
1729 } } // namespace v8::internal | 1717 } } // namespace v8::internal |
1730 | 1718 |
1731 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1719 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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