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statement experssion is a GCCism

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should mark as such.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2018-01-02 06:41:53 +00:00
parent a5a5714b77
commit a6b50f379d
3 changed files with 12 additions and 12 deletions
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6
ruby_atomic.h
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@ -9,10 +9,10 @@ typedef unsigned int rb_atomic_t;
# define ATOMIC_DEC(var) __atomic_fetch_sub(&(var), 1, __ATOMIC_SEQ_CST)
# define ATOMIC_OR(var, val) __atomic_fetch_or(&(var), (val), __ATOMIC_SEQ_CST)
# define ATOMIC_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST)
# define ATOMIC_CAS(var, oldval, newval) \
({ __typeof__(var) oldvaldup = (oldval); /* oldval should not be modified */ \
# define ATOMIC_CAS(var, oldval, newval) RB_GNUC_EXTENSION_BLOCK( \
__typeof__(var) oldvaldup = (oldval); /* oldval should not be modified */ \
__atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \
oldvaldup; })
oldvaldup )
# define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&(var), (val), __ATOMIC_SEQ_CST)
# define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST)