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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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384 Register scratch, | 384 Register scratch, |
385 int mask, | 385 int mask, |
386 Condition cc, | 386 Condition cc, |
387 Label* condition_met); | 387 Label* condition_met); |
388 | 388 |
389 // Check if object is in new space. Jumps if the object is not in new space. | 389 // Check if object is in new space. Jumps if the object is not in new space. |
390 // The register scratch can be object itself, but it will be clobbered. | 390 // The register scratch can be object itself, but it will be clobbered. |
391 void JumpIfNotInNewSpace(Register object, | 391 void JumpIfNotInNewSpace(Register object, |
392 Register scratch, | 392 Register scratch, |
393 Label* branch) { | 393 Label* branch) { |
394 InNewSpace(object, scratch, ne, branch); | 394 InNewSpace(object, scratch, eq, branch); |
395 } | 395 } |
396 | 396 |
397 // Check if object is in new space. Jumps if the object is in new space. | 397 // Check if object is in new space. Jumps if the object is in new space. |
398 // The register scratch can be object itself, but scratch will be clobbered. | 398 // The register scratch can be object itself, but scratch will be clobbered. |
399 void JumpIfInNewSpace(Register object, | 399 void JumpIfInNewSpace(Register object, |
400 Register scratch, | 400 Register scratch, |
401 Label* branch) { | 401 Label* branch) { |
402 InNewSpace(object, scratch, eq, branch); | 402 InNewSpace(object, scratch, ne, branch); |
403 } | 403 } |
404 | 404 |
405 // Check if an object has a given incremental marking color. | 405 // Check if an object has a given incremental marking color. |
406 void HasColor(Register object, | 406 void HasColor(Register object, |
407 Register scratch0, | 407 Register scratch0, |
408 Register scratch1, | 408 Register scratch1, |
409 Label* has_color, | 409 Label* has_color, |
410 int first_bit, | 410 int first_bit, |
411 int second_bit); | 411 int second_bit); |
412 | 412 |
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1836 InvokeFlag flag, | 1836 InvokeFlag flag, |
1837 const CallWrapper& call_wrapper); | 1837 const CallWrapper& call_wrapper); |
1838 | 1838 |
1839 void InitializeNewString(Register string, | 1839 void InitializeNewString(Register string, |
1840 Register length, | 1840 Register length, |
1841 Heap::RootListIndex map_index, | 1841 Heap::RootListIndex map_index, |
1842 Register scratch1, | 1842 Register scratch1, |
1843 Register scratch2); | 1843 Register scratch2); |
1844 | 1844 |
1845 // Helper for implementing JumpIfNotInNewSpace and JumpIfInNewSpace. | 1845 // Helper for implementing JumpIfNotInNewSpace and JumpIfInNewSpace. |
1846 void InNewSpace(Register object, | 1846 void InNewSpace(Register object, Register scratch, |
1847 Register scratch, | 1847 Condition cond, // ne for new space, eq otherwise. |
1848 Condition cond, // eq for new space, ne otherwise. | |
1849 Label* branch); | 1848 Label* branch); |
1850 | 1849 |
1851 // Helper for finding the mark bits for an address. Afterwards, the | 1850 // Helper for finding the mark bits for an address. Afterwards, the |
1852 // bitmap register points at the word with the mark bits and the mask | 1851 // bitmap register points at the word with the mark bits and the mask |
1853 // the position of the first bit. Leaves addr_reg unchanged. | 1852 // the position of the first bit. Leaves addr_reg unchanged. |
1854 inline void GetMarkBits(Register addr_reg, | 1853 inline void GetMarkBits(Register addr_reg, |
1855 Register bitmap_reg, | 1854 Register bitmap_reg, |
1856 Register mask_reg); | 1855 Register mask_reg); |
1857 | 1856 |
1858 // Compute memory operands for safepoint stack slots. | 1857 // Compute memory operands for safepoint stack slots. |
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1945 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1944 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1946 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1945 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1947 #else | 1946 #else |
1948 #define ACCESS_MASM(masm) masm-> | 1947 #define ACCESS_MASM(masm) masm-> |
1949 #endif | 1948 #endif |
1950 | 1949 |
1951 } // namespace internal | 1950 } // namespace internal |
1952 } // namespace v8 | 1951 } // namespace v8 |
1953 | 1952 |
1954 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1953 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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