source: libcfa/src/concurrency/atomic.hfa @ f77f648d

ast-experimental
Last change on this file since f77f648d was 8463136, checked in by Peter A. Buhr <pabuhr@…>, 14 months ago

add short atomic instruction macros

  • Property mode set to 100644
File size: 2.0 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// atomic.hfa -- simpler macros to access atomic instructions
8//
9// Author           : Peter A. Buhr
10// Created On       : Thu May 25 15:22:46 2023
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu May 25 15:24:45 2023
13// Update Count     : 1
14//
15
16#define LOAD( lock ) (__atomic_load_n( &(lock), __ATOMIC_SEQ_CST ))
17#define LOADM( lock, memorder ) (__atomic_load_n( &(lock), memorder ))
18#define STORE( lock, assn ) (__atomic_store_n( &(lock), assn, __ATOMIC_SEQ_CST ))
19#define STOREM( lock, assn, memorder ) (__atomic_store_n( &(lock), assn, memorder ))
20#define CLR( lock ) (__atomic_clear( &(lock), __ATOMIC_RELEASE ))
21#define CLRM( lock, memorder ) (__atomic_clear( &(lock), memorder ))
22#define TAS( lock ) (__atomic_test_and_set( &(lock), __ATOMIC_ACQUIRE ))
23#define TASM( lock, memorder ) (__atomic_test_and_set( &(lock), memorder ))
24#define CAS( change, comp, assn ) ({typeof(comp) __temp = (comp); __atomic_compare_exchange_n( &(change), &(__temp), (assn), false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST ); })
25#define CASM( change, comp, assn, memorder... ) ({typeof(comp) * __temp = &(comp); __atomic_compare_exchange_n( &(change), &(__temp), (assn), false, memorder, memorder ); })
26#define CASV( change, comp, assn ) (__atomic_compare_exchange_n( &(change), &(comp), (assn), false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST ))
27#define CASVM( change, comp, assn, memorder... ) (__atomic_compare_exchange_n( &(change), &(comp), (assn), false, memorder, memorder ))
28#define FAS( change, assn ) (__atomic_exchange_n( &(change), (assn), __ATOMIC_SEQ_CST ))
29#define FASM( change, assn, memorder ) (__atomic_exchange_n( &(change), (assn), memorder ))
30#define FAI( change, Inc ) (__atomic_fetch_add( &(change), (Inc), __ATOMIC_SEQ_CST ))
31#define FAIM( change, Inc, memorder ) (__atomic_fetch_add( &(change), (Inc), memorder ))
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