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| author | Andrew Hsieh <andrewhsieh@google.com> | 2014-04-28 17:58:16 -0700 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2014-04-28 18:10:28 -0700 |
| commit | d7c9c7963a79b60e2247bd5a41decc80938023f4 (patch) | |
| tree | 1356f86b3068e98dc6d6e34ea8295f8b7878bbf6 /gcc-4.7 | |
| parent | 16712a032061c7f8e9647004a10f8af866e57719 (diff) | |
| download | toolchain_gcc-d7c9c7963a79b60e2247bd5a41decc80938023f4.tar.gz toolchain_gcc-d7c9c7963a79b60e2247bd5a41decc80938023f4.tar.bz2 toolchain_gcc-d7c9c7963a79b60e2247bd5a41decc80938023f4.zip | |
Fix GNU4.7/4.8/4.9 libstdc++ for clang
1. Undo fix in ed7057a1ece24733fe30423cd94131deb8ccb2ca which
precludes __atomic_fetch_add() now supported by clang >= 3.3
2. __float128 is supported by clang >= 3.4
Change-Id: Ic2856368d83d261e3a27e0e24ccc09743afdc68b
Diffstat (limited to 'gcc-4.7')
| -rw-r--r-- | gcc-4.7/libstdc++-v3/include/ext/atomicity.h | 5 | ||||
| -rw-r--r-- | gcc-4.7/libstdc++-v3/include/std/type_traits | 2 |
2 files changed, 3 insertions, 4 deletions
diff --git a/gcc-4.7/libstdc++-v3/include/ext/atomicity.h b/gcc-4.7/libstdc++-v3/include/ext/atomicity.h index 9f48b81c6..ed1bb6df6 100644 --- a/gcc-4.7/libstdc++-v3/include/ext/atomicity.h +++ b/gcc-4.7/libstdc++-v3/include/ext/atomicity.h @@ -42,9 +42,8 @@ _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-4.7/libstdc++-v3/include/std/type_traits b/gcc-4.7/libstdc++-v3/include/std/type_traits index 732f06a14..cbe732fc8 100644 --- a/gcc-4.7/libstdc++-v3/include/std/type_traits +++ b/gcc-4.7/libstdc++-v3/include/std/type_traits @@ -252,7 +252,7 @@ _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 { }; |