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msp430: Discard order argument when using __sync_xxx for atomics

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This commit is contained in:
Joakim Nohlgård 2017-02-10 10:39:59 +01:00
parent 302d5d35e9
commit 33566a2fe7
1 changed files with 10 additions and 9 deletions
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19
cpu/msp430_common/include/stdatomic.h
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@ -308,7 +308,7 @@ typedef _Atomic(uintmax_t) atomic_uintmax_t;
#if __has_builtin(__sync_swap)
/* Clang provides a full-barrier atomic exchange - use it if available. */
#define atomic_exchange_explicit(object, desired, order) \
((void)(order), __sync_swap(&(object)->__val, desired))
__sync_swap(&(object)->__val, desired)
#else
/*
* __sync_lock_test_and_set() is only an acquire barrier in theory (although in
@ -324,20 +324,21 @@ __extension__ ({ \
__sync_lock_test_and_set(&(__o)->__val, __d); \
})
#endif
/* Ignoring the order argument when using __sync builtins */
#define atomic_fetch_add_explicit(object, operand, order) \
((void)(order), __sync_fetch_and_add(&(object)->__val, \
__atomic_apply_stride(object, operand)))
__sync_fetch_and_add(&(object)->__val, \
__atomic_apply_stride(object, operand))
#define atomic_fetch_and_explicit(object, operand, order) \
((void)(order), __sync_fetch_and_and(&(object)->__val, operand))
__sync_fetch_and_and(&(object)->__val, operand)
#define atomic_fetch_or_explicit(object, operand, order) \
((void)(order), __sync_fetch_and_or(&(object)->__val, operand))
__sync_fetch_and_or(&(object)->__val, operand)
#define atomic_fetch_sub_explicit(object, operand, order) \
((void)(order), __sync_fetch_and_sub(&(object)->__val, \
__atomic_apply_stride(object, operand)))
__sync_fetch_and_sub(&(object)->__val, \
__atomic_apply_stride(object, operand))
#define atomic_fetch_xor_explicit(object, operand, order) \
((void)(order), __sync_fetch_and_xor(&(object)->__val, operand))
__sync_fetch_and_xor(&(object)->__val, operand)
#define atomic_load_explicit(object, order) \
((void)(order), __sync_fetch_and_add(&(object)->__val, 0))
__sync_fetch_and_add(&(object)->__val, 0)
#define atomic_store_explicit(object, desired, order) \
((void)atomic_exchange_explicit(object, desired, order))
#endif