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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1670 // * The exit frame is dropped. | 1670 // * The exit frame is dropped. |
1671 // * The stack pointer is reset to jssp. | 1671 // * The stack pointer is reset to jssp. |
1672 // | 1672 // |
1673 // The stack pointer must be csp on entry. | 1673 // The stack pointer must be csp on entry. |
1674 void LeaveExitFrame(bool save_doubles, | 1674 void LeaveExitFrame(bool save_doubles, |
1675 const Register& scratch, | 1675 const Register& scratch, |
1676 bool restore_context); | 1676 bool restore_context); |
1677 | 1677 |
1678 void LoadContext(Register dst, int context_chain_length); | 1678 void LoadContext(Register dst, int context_chain_length); |
1679 | 1679 |
| 1680 // Emit code for a flooring division by a constant. The dividend register is |
| 1681 // unchanged and Tmp0() gets clobbered. Dividend and result must be different. |
| 1682 void FlooringDiv(Register result, Register dividend, int32_t divisor); |
| 1683 |
1680 // --------------------------------------------------------------------------- | 1684 // --------------------------------------------------------------------------- |
1681 // StatsCounter support | 1685 // StatsCounter support |
1682 | 1686 |
1683 void SetCounter(StatsCounter* counter, int value, Register scratch1, | 1687 void SetCounter(StatsCounter* counter, int value, Register scratch1, |
1684 Register scratch2); | 1688 Register scratch2); |
1685 void IncrementCounter(StatsCounter* counter, int value, Register scratch1, | 1689 void IncrementCounter(StatsCounter* counter, int value, Register scratch1, |
1686 Register scratch2); | 1690 Register scratch2); |
1687 void DecrementCounter(StatsCounter* counter, int value, Register scratch1, | 1691 void DecrementCounter(StatsCounter* counter, int value, Register scratch1, |
1688 Register scratch2); | 1692 Register scratch2); |
1689 | 1693 |
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2291 #error "Unsupported option" | 2295 #error "Unsupported option" |
2292 #define CODE_COVERAGE_STRINGIFY(x) #x | 2296 #define CODE_COVERAGE_STRINGIFY(x) #x |
2293 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 2297 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
2294 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 2298 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
2295 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 2299 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
2296 #else | 2300 #else |
2297 #define ACCESS_MASM(masm) masm-> | 2301 #define ACCESS_MASM(masm) masm-> |
2298 #endif | 2302 #endif |
2299 | 2303 |
2300 #endif // V8_A64_MACRO_ASSEMBLER_A64_H_ | 2304 #endif // V8_A64_MACRO_ASSEMBLER_A64_H_ |
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