diff options
Diffstat (limited to 'src/atomic_ops/sysdeps/gcc/generic-small.h')
| -rw-r--r-- | src/atomic_ops/sysdeps/gcc/generic-small.h | 160 |
1 files changed, 84 insertions, 76 deletions
diff --git a/src/atomic_ops/sysdeps/gcc/generic-small.h b/src/atomic_ops/sysdeps/gcc/generic-small.h index 72f4a5b..f358f97 100644 --- a/src/atomic_ops/sysdeps/gcc/generic-small.h +++ b/src/atomic_ops/sysdeps/gcc/generic-small.h @@ -47,27 +47,29 @@ AO_char_store_release(volatile unsigned/**/char *addr, unsigned/**/char value) } #define AO_HAVE_char_store_release -AO_INLINE unsigned/**/char -AO_char_fetch_compare_and_swap(volatile unsigned/**/char *addr, - unsigned/**/char old_val, unsigned/**/char new_val) -{ - return __sync_val_compare_and_swap(addr, old_val, new_val - /* empty protection list */); -} -#define AO_HAVE_char_fetch_compare_and_swap - -/* TODO: Add CAS _acquire/release/full primitives. */ - -#ifndef AO_GENERALIZE_ASM_BOOL_CAS - AO_INLINE int - AO_char_compare_and_swap(volatile unsigned/**/char *addr, - unsigned/**/char old_val, unsigned/**/char new_val) +#ifdef AO_GCC_HAVE_char_SYNC_CAS + AO_INLINE unsigned/**/char + AO_char_fetch_compare_and_swap(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) { - return __sync_bool_compare_and_swap(addr, old_val, new_val - /* empty protection list */); + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); } -# define AO_HAVE_char_compare_and_swap -#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +# define AO_HAVE_char_fetch_compare_and_swap + + /* TODO: Add CAS _acquire/release/full primitives. */ + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_char_compare_and_swap(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return __sync_bool_compare_and_swap(addr, old_val, new_val + /* empty protection list */); + } +# define AO_HAVE_char_compare_and_swap +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +#endif /* AO_GCC_HAVE_char_SYNC_CAS */ /* * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. @@ -117,27 +119,29 @@ AO_short_store_release(volatile unsigned/**/short *addr, unsigned/**/short value } #define AO_HAVE_short_store_release -AO_INLINE unsigned/**/short -AO_short_fetch_compare_and_swap(volatile unsigned/**/short *addr, - unsigned/**/short old_val, unsigned/**/short new_val) -{ - return __sync_val_compare_and_swap(addr, old_val, new_val - /* empty protection list */); -} -#define AO_HAVE_short_fetch_compare_and_swap - -/* TODO: Add CAS _acquire/release/full primitives. */ - -#ifndef AO_GENERALIZE_ASM_BOOL_CAS - AO_INLINE int - AO_short_compare_and_swap(volatile unsigned/**/short *addr, - unsigned/**/short old_val, unsigned/**/short new_val) +#ifdef AO_GCC_HAVE_short_SYNC_CAS + AO_INLINE unsigned/**/short + AO_short_fetch_compare_and_swap(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) { - return __sync_bool_compare_and_swap(addr, old_val, new_val - /* empty protection list */); + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); } -# define AO_HAVE_short_compare_and_swap -#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +# define AO_HAVE_short_fetch_compare_and_swap + + /* TODO: Add CAS _acquire/release/full primitives. */ + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_short_compare_and_swap(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return __sync_bool_compare_and_swap(addr, old_val, new_val + /* empty protection list */); + } +# define AO_HAVE_short_compare_and_swap +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +#endif /* AO_GCC_HAVE_short_SYNC_CAS */ /* * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. @@ -187,27 +191,29 @@ AO_int_store_release(volatile unsigned *addr, unsigned value) } #define AO_HAVE_int_store_release -AO_INLINE unsigned -AO_int_fetch_compare_and_swap(volatile unsigned *addr, - unsigned old_val, unsigned new_val) -{ - return __sync_val_compare_and_swap(addr, old_val, new_val - /* empty protection list */); -} -#define AO_HAVE_int_fetch_compare_and_swap - -/* TODO: Add CAS _acquire/release/full primitives. */ - -#ifndef AO_GENERALIZE_ASM_BOOL_CAS - AO_INLINE int - AO_int_compare_and_swap(volatile unsigned *addr, - unsigned old_val, unsigned new_val) +#ifdef AO_GCC_HAVE_int_SYNC_CAS + AO_INLINE unsigned + AO_int_fetch_compare_and_swap(volatile unsigned *addr, + unsigned old_val, unsigned new_val) { - return __sync_bool_compare_and_swap(addr, old_val, new_val - /* empty protection list */); + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); } -# define AO_HAVE_int_compare_and_swap -#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +# define AO_HAVE_int_fetch_compare_and_swap + + /* TODO: Add CAS _acquire/release/full primitives. */ + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_int_compare_and_swap(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return __sync_bool_compare_and_swap(addr, old_val, new_val + /* empty protection list */); + } +# define AO_HAVE_int_compare_and_swap +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +#endif /* AO_GCC_HAVE_int_SYNC_CAS */ /* * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. @@ -257,24 +263,26 @@ AO_store_release(volatile AO_t *addr, AO_t value) } #define AO_HAVE_store_release -AO_INLINE AO_t -AO_fetch_compare_and_swap(volatile AO_t *addr, - AO_t old_val, AO_t new_val) -{ - return __sync_val_compare_and_swap(addr, old_val, new_val - /* empty protection list */); -} -#define AO_HAVE_fetch_compare_and_swap - -/* TODO: Add CAS _acquire/release/full primitives. */ - -#ifndef AO_GENERALIZE_ASM_BOOL_CAS - AO_INLINE int - AO_compare_and_swap(volatile AO_t *addr, - AO_t old_val, AO_t new_val) +#ifdef AO_GCC_HAVE_SYNC_CAS + AO_INLINE AO_t + AO_fetch_compare_and_swap(volatile AO_t *addr, + AO_t old_val, AO_t new_val) { - return __sync_bool_compare_and_swap(addr, old_val, new_val - /* empty protection list */); + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); } -# define AO_HAVE_compare_and_swap -#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +# define AO_HAVE_fetch_compare_and_swap + + /* TODO: Add CAS _acquire/release/full primitives. */ + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return __sync_bool_compare_and_swap(addr, old_val, new_val + /* empty protection list */); + } +# define AO_HAVE_compare_and_swap +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ +#endif /* AO_GCC_HAVE_SYNC_CAS */ |