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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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356 Register scratch, | 356 Register scratch, |
357 int mask, | 357 int mask, |
358 Condition cc, | 358 Condition cc, |
359 Label* condition_met); | 359 Label* condition_met); |
360 | 360 |
361 // Check if object is in new space. Jumps if the object is not in new space. | 361 // Check if object is in new space. Jumps if the object is not in new space. |
362 // The register scratch can be object itself, but it will be clobbered. | 362 // The register scratch can be object itself, but it will be clobbered. |
363 void JumpIfNotInNewSpace(Register object, | 363 void JumpIfNotInNewSpace(Register object, |
364 Register scratch, | 364 Register scratch, |
365 Label* branch) { | 365 Label* branch) { |
366 InNewSpace(object, scratch, ne, branch); | 366 InNewSpace(object, scratch, eq, branch); |
367 } | 367 } |
368 | 368 |
369 // Check if object is in new space. Jumps if the object is in new space. | 369 // Check if object is in new space. Jumps if the object is in new space. |
370 // The register scratch can be object itself, but scratch will be clobbered. | 370 // The register scratch can be object itself, but scratch will be clobbered. |
371 void JumpIfInNewSpace(Register object, | 371 void JumpIfInNewSpace(Register object, |
372 Register scratch, | 372 Register scratch, |
373 Label* branch) { | 373 Label* branch) { |
374 InNewSpace(object, scratch, eq, branch); | 374 InNewSpace(object, scratch, ne, branch); |
375 } | 375 } |
376 | 376 |
377 // Check if an object has a given incremental marking color. | 377 // Check if an object has a given incremental marking color. |
378 void HasColor(Register object, | 378 void HasColor(Register object, |
379 Register scratch0, | 379 Register scratch0, |
380 Register scratch1, | 380 Register scratch1, |
381 Label* has_color, | 381 Label* has_color, |
382 int first_bit, | 382 int first_bit, |
383 int second_bit); | 383 int second_bit); |
384 | 384 |
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1684 InvokeFlag flag, | 1684 InvokeFlag flag, |
1685 const CallWrapper& call_wrapper); | 1685 const CallWrapper& call_wrapper); |
1686 | 1686 |
1687 void InitializeNewString(Register string, | 1687 void InitializeNewString(Register string, |
1688 Register length, | 1688 Register length, |
1689 Heap::RootListIndex map_index, | 1689 Heap::RootListIndex map_index, |
1690 Register scratch1, | 1690 Register scratch1, |
1691 Register scratch2); | 1691 Register scratch2); |
1692 | 1692 |
1693 // Helper for implementing JumpIfNotInNewSpace and JumpIfInNewSpace. | 1693 // Helper for implementing JumpIfNotInNewSpace and JumpIfInNewSpace. |
1694 void InNewSpace(Register object, | 1694 void InNewSpace(Register object, Register scratch, |
1695 Register scratch, | 1695 Condition cond, // ne for new space, eq otherwise. |
1696 Condition cond, // eq for new space, ne otherwise. | |
1697 Label* branch); | 1696 Label* branch); |
1698 | 1697 |
1699 // Helper for finding the mark bits for an address. Afterwards, the | 1698 // Helper for finding the mark bits for an address. Afterwards, the |
1700 // bitmap register points at the word with the mark bits and the mask | 1699 // bitmap register points at the word with the mark bits and the mask |
1701 // the position of the first bit. Leaves addr_reg unchanged. | 1700 // the position of the first bit. Leaves addr_reg unchanged. |
1702 inline void GetMarkBits(Register addr_reg, | 1701 inline void GetMarkBits(Register addr_reg, |
1703 Register bitmap_reg, | 1702 Register bitmap_reg, |
1704 Register mask_reg); | 1703 Register mask_reg); |
1705 | 1704 |
1706 // Compute memory operands for safepoint stack slots. | 1705 // Compute memory operands for safepoint stack slots. |
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1786 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1785 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1787 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1786 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1788 #else | 1787 #else |
1789 #define ACCESS_MASM(masm) masm-> | 1788 #define ACCESS_MASM(masm) masm-> |
1790 #endif | 1789 #endif |
1791 | 1790 |
1792 } // namespace internal | 1791 } // namespace internal |
1793 } // namespace v8 | 1792 } // namespace v8 |
1794 | 1793 |
1795 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1794 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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