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authorAndrew Hsieh <andrewhsieh@google.com>2014-04-29 21:51:33 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2014-04-29 21:51:33 +0000
commitca402b961dcf81f1983c5da8d694aa4101daa216 (patch)
tree0f19537a2dc9c7dbb62cfb5a095bdeca54de8d48 /gcc-4.8
parent3366b351322dd21a54abe0f78177e72f963f573c (diff)
parentd7c9c7963a79b60e2247bd5a41decc80938023f4 (diff)
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Merge "Fix GNU4.7/4.8/4.9 libstdc++ for clang"
Diffstat (limited to 'gcc-4.8')
-rw-r--r--gcc-4.8/libstdc++-v3/include/ext/atomicity.h5
-rw-r--r--gcc-4.8/libstdc++-v3/include/std/type_traits2
2 files changed, 3 insertions, 4 deletions
diff --git a/gcc-4.8/libstdc++-v3/include/ext/atomicity.h b/gcc-4.8/libstdc++-v3/include/ext/atomicity.h
index 88698bbe3..6139c9346 100644
--- a/gcc-4.8/libstdc++-v3/include/ext/atomicity.h
+++ b/gcc-4.8/libstdc++-v3/include/ext/atomicity.h
@@ -43,9 +43,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// To abstract locking primitives across all thread policies, use:
// __exchange_and_add_dispatch
// __atomic_add_dispatch
-#if defined(_GLIBCXX_ATOMIC_BUILTINS) && (!defined(__clang__) || defined(__i386__))
- // NOTE: clang arm/mips can't compile the following two library calls yet.
- static inline _Atomic_word
+#ifdef _GLIBCXX_ATOMIC_BUILTINS
+ static inline _Atomic_word
__exchange_and_add(volatile _Atomic_word* __mem, int __val)
{ return __atomic_fetch_add(__mem, __val, __ATOMIC_ACQ_REL); }
diff --git a/gcc-4.8/libstdc++-v3/include/std/type_traits b/gcc-4.8/libstdc++-v3/include/std/type_traits
index b5f8c795d..9b7b98695 100644
--- a/gcc-4.8/libstdc++-v3/include/std/type_traits
+++ b/gcc-4.8/libstdc++-v3/include/std/type_traits
@@ -264,7 +264,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
struct __is_floating_point_helper<long double>
: public true_type { };
-#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128) && !defined(__clang__)
+#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128) && (!defined(__clang__) || __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 4))
template<>
struct __is_floating_point_helper<__float128>
: public true_type { };