| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // atomic.hfa -- simpler macros to access atomic instructions
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| 8 | //
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| 9 | // Author : Peter A. Buhr
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| 10 | // Created On : Thu May 25 15:22:46 2023
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Thu May 25 15:24:45 2023
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| 13 | // Update Count : 1
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| 14 | //
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| 15 |
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| 16 | #define LOAD( lock ) (__atomic_load_n( &(lock), __ATOMIC_SEQ_CST ))
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| 17 | #define LOADM( lock, memorder ) (__atomic_load_n( &(lock), memorder ))
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| 18 | #define STORE( lock, assn ) (__atomic_store_n( &(lock), assn, __ATOMIC_SEQ_CST ))
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| 19 | #define STOREM( lock, assn, memorder ) (__atomic_store_n( &(lock), assn, memorder ))
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| 20 | #define CLR( lock ) (__atomic_clear( &(lock), __ATOMIC_RELEASE ))
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| 21 | #define CLRM( lock, memorder ) (__atomic_clear( &(lock), memorder ))
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| 22 | #define TAS( lock ) (__atomic_test_and_set( &(lock), __ATOMIC_ACQUIRE ))
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| 23 | #define TASM( lock, memorder ) (__atomic_test_and_set( &(lock), memorder ))
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| 24 | #define CAS( change, comp, assn ) ({typeof(comp) __temp = (comp); __atomic_compare_exchange_n( &(change), &(__temp), (assn), false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST ); })
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| 25 | #define CASM( change, comp, assn, memorder... ) ({typeof(comp) * __temp = &(comp); __atomic_compare_exchange_n( &(change), &(__temp), (assn), false, memorder, memorder ); })
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| 26 | #define CASV( change, comp, assn ) (__atomic_compare_exchange_n( &(change), &(comp), (assn), false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST ))
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| 27 | #define CASVM( change, comp, assn, memorder... ) (__atomic_compare_exchange_n( &(change), &(comp), (assn), false, memorder, memorder ))
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| 28 | #define FAS( change, assn ) (__atomic_exchange_n( &(change), (assn), __ATOMIC_SEQ_CST ))
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| 29 | #define FASM( change, assn, memorder ) (__atomic_exchange_n( &(change), (assn), memorder ))
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| 30 | #define FAI( change, Inc ) (__atomic_fetch_add( &(change), (Inc), __ATOMIC_SEQ_CST ))
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| 31 | #define FAIM( change, Inc, memorder ) (__atomic_fetch_add( &(change), (Inc), memorder ))
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