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authorJonathan Wakely <jwakely@redhat.com>2020-12-10 21:57:42 +0000
committerJonathan Wakely <jwakely@redhat.com>2020-12-10 21:57:42 +0000
commit2ea62857a3fbdf091ba38cbb62e98dc76b198e2e (patch)
tree13d2a963cd3623264921902b964466d5a0a13f28
parent7f359556a772e26eabf8d31e53aae1de6f2f200d (diff)
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libstdc++: Remove redundant branches in countl_one and countr_one [PR 98226]
There's no need to explicitly check for the maximum value, because the function we call handles it correctly anyway. libstdc++-v3/ChangeLog: PR libstdc++/98226 * include/std/bit (__countl_one, __countr_one): Remove redundant branches.
-rw-r--r--libstdc++-v3/include/std/bit4
1 files changed, 0 insertions, 4 deletions
diff --git a/libstdc++-v3/include/std/bit b/libstdc++-v3/include/std/bit
index 1d99c80..6f47f89 100644
--- a/libstdc++-v3/include/std/bit
+++ b/libstdc++-v3/include/std/bit
@@ -141,8 +141,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr int
__countl_one(_Tp __x) noexcept
{
- if (__x == __gnu_cxx::__int_traits<_Tp>::__max)
- return __gnu_cxx::__int_traits<_Tp>::__digits;
return std::__countl_zero<_Tp>((_Tp)~__x);
}
@@ -184,8 +182,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr int
__countr_one(_Tp __x) noexcept
{
- if (__x == __gnu_cxx::__int_traits<_Tp>::__max)
- return __gnu_cxx::__int_traits<_Tp>::__digits;
return std::__countr_zero((_Tp)~__x);
}