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guard.cc (__test_and_acquire): Use __p after __atomic_load to avoid unused variable warning.

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* libsupc++/guard.cc (__test_and_acquire): Use __p after __atomic_load
	to avoid unused variable warning.
	(__set_and_release): Use __p after __atomic_store to avoid unused
	variable warning.

From-SVN: r225298
This commit is contained in:
Uros Bizjak 2015-07-02 07:58:12 +02:00 • committed by Uros Bizjak
parent 8725e9c4ab
commit 53ac92c3e0
2 changed files with 9 additions and 0 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2015-07-02 Uros Bizjak <ubizjak@gmail.com>
* libsupc++/guard.cc (__test_and_acquire): Use __p after __atomic_load
to avoid unused variable warning.
(__set_and_release): Use __p after __atomic_store to avoid unused
variable warning.
2015-07-01 Jonathan Wakely <jwakely@redhat.com>
* include/bits/alloc_traits.h (__alloctr_rebind): Remove.

2
libstdc++-v3/libsupc++/guard.cc
View file

@ -117,6 +117,7 @@ __test_and_acquire (__cxxabiv1::__guard *g)
unsigned char __c;
unsigned char *__p = reinterpret_cast<unsigned char *>(g);
__atomic_load (__p, &__c, __ATOMIC_ACQUIRE);
(void) __p;
return _GLIBCXX_GUARD_TEST(&__c);
}
# define _GLIBCXX_GUARD_TEST_AND_ACQUIRE(G) __test_and_acquire (G)
@ -132,6 +133,7 @@ __set_and_release (__cxxabiv1::__guard *g)
unsigned char *__p = reinterpret_cast<unsigned char *>(g);
unsigned char val = 1;
__atomic_store (__p, &val, __ATOMIC_RELEASE);
(void) __p;
}
# define _GLIBCXX_GUARD_SET_AND_RELEASE(G) __set_and_release (G)
# endif