summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>2013-10-06 13:44:47 +0000
committerpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>2013-10-06 13:44:47 +0000
commitbdc4450d1aa523b8970ebba112055cd50fbd983d (patch)
treec9426afa8ad359c8da4840b1c09a02c1ed85a138
parent680bdc985749f3005acb44e1c7ba493a036ad66f (diff)
downloadgcc-bdc4450d1aa523b8970ebba112055cd50fbd983d.tar.gz
2013-10-06 Oleg Endo <olegendo@gcc.gnu.org>
Paolo Carlini <paolo.carlini@oracle.com> PR libstdc++/58625 * include/c_global/cmath (signbit): Use __builtin_signbitf and __builtin_signbitl. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203228 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--libstdc++-v3/ChangeLog7
-rw-r--r--libstdc++-v3/include/c_global/cmath5
2 files changed, 10 insertions, 2 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index b02593aa505..4a00019bae0 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2013-10-06 Oleg Endo <olegendo@gcc.gnu.org>
+ Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR libstdc++/58625
+ * include/c_global/cmath (signbit): Use __builtin_signbitf and
+ __builtin_signbitl.
+
2013-10-03 Tim Shen <timshen91@gmail.com>
* include/bits/regex_executor.tcc (_DFSExecutor<>::_M_dfs): Fix wrong
diff --git a/libstdc++-v3/include/c_global/cmath b/libstdc++-v3/include/c_global/cmath
index b438585eb44..2641118e7b1 100644
--- a/libstdc++-v3/include/c_global/cmath
+++ b/libstdc++-v3/include/c_global/cmath
@@ -650,9 +650,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
isnormal(_Tp __x)
{ return __x != 0 ? true : false; }
+ // The front-end doesn't provide a type generic builtin (libstdc++/58625).
constexpr bool
signbit(float __x)
- { return __builtin_signbit(__x); }
+ { return __builtin_signbitf(__x); }
constexpr bool
signbit(double __x)
@@ -660,7 +661,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr bool
signbit(long double __x)
- { return __builtin_signbit(__x); }
+ { return __builtin_signbitl(__x); }
template<typename _Tp>
constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,