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atomics: Add parameters to macros

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Making these functional rather than object macros will
prevent later problems with complex macro expansion.

Backports commit d1a9f2d12fcfc942924956fbe321aedf4226ccb7 from qemu
This commit is contained in:
Richard Henderson 2018-02-27 10:21:33 -05:00 committed by Lioncash
parent 4168095fed
commit 3fe8d46a15
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1 changed files with 5 additions and 5 deletions
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10
qemu/include/qemu/atomic.h
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@ -316,11 +316,11 @@ void _ReadWriteBarrier(void);
// these return the previous value
#define atomic_fetch_inc(ptr) __sync_fetch_and_add(ptr, 1)
#define atomic_fetch_dec(ptr) __sync_fetch_and_add(ptr, -1)
#define atomic_fetch_add __sync_fetch_and_add
#define atomic_fetch_sub __sync_fetch_and_sub
#define atomic_fetch_and __sync_fetch_and_and
#define atomic_fetch_or __sync_fetch_and_or
#define atomic_cmpxchg __sync_val_compare_and_swap
#define atomic_fetch_add(ptr, n) __sync_fetch_and_add(ptr, n)
#define atomic_fetch_sub(ptr, n) __sync_fetch_and_sub(ptr, n)
#define atomic_fetch_and(ptr, n) __sync_fetch_and_and(ptr, n)
#define atomic_fetch_or(ptr, n) __sync_fetch_and_or(ptr, n)
#define atomic_cmpxchg(ptr, old, new) __sync_val_compare_and_swap(ptr, old, new)
#endif
/* And even shorter names that return void. */