mirrors/gcc
0
0
Fork 0
mirror of https://gcc.gnu.org/git/gcc.git synced 2024-12-26 12:35:05 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

re PR libstdc++/58804 (dynamic_bitset<> uses popcountl on long long)

Browse Source 
2013-10-20  Edward Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/58804
	PR libstdc++/58729
	* include/tr2/dynamic_bitset
	(__dynamic_bitset_base<_WordT, _Alloc>::_M_are_all_aux,
	__dynamic_bitset_base<_WordT, _Alloc>::_M_do_count):
	Use __builtin_popcountll() instead of __builtin_popcountl().
	* include/tr2/dynamic_bitset.tcc
	(__dynamic_bitset_base<_WordT, _Alloc>::_M_do_find_first,
	__dynamic_bitset_base<_WordT, _Alloc>::_M_do_find_next):
	Use __builtin_ctzll() instead of __builtin_ctzl().

From-SVN: r203893
This commit is contained in:
Edward Smith-Rowland 2013-10-21 13:52:39 +00:00 committed by Edward Smith-Rowland
parent 0e7504c8a1
commit 390dafb79d
3 changed files with 18 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,16 @@
2013-10-21 Edward Smith-Rowland <3dw4rd@verizon.net>
PR libstdc++/58804
PR libstdc++/58729
* include/tr2/dynamic_bitset
(__dynamic_bitset_base<_WordT, _Alloc>::_M_are_all_aux,
__dynamic_bitset_base<_WordT, _Alloc>::_M_do_count):
Use __builtin_popcountll() instead of __builtin_popcountl().
* include/tr2/dynamic_bitset.tcc
(__dynamic_bitset_base<_WordT, _Alloc>::_M_do_find_first,
__dynamic_bitset_base<_WordT, _Alloc>::_M_do_find_next):
Use __builtin_ctzll() instead of __builtin_ctzl().
2013-10-20 Tim Shen <timshen91@gmail.com>
* include/bits/regex.h: Remove virtual class _Automaton.

4
libstdc++-v3/include/tr2/dynamic_bitset
View File

@ -287,7 +287,7 @@ public:
if (_M_w[__i] != ~static_cast<block_type>(0))
return 0;
return ((this->_M_w.size() - 1) * _S_bits_per_block
+ __builtin_popcountl(this->_M_hiword()));
+ __builtin_popcountll(this->_M_hiword()));
}
bool
@ -332,7 +332,7 @@ public:
{
size_t __result = 0;
for (size_t __i = 0; __i < this->_M_w.size(); ++__i)
__result += __builtin_popcountl(this->_M_w[__i]);
__result += __builtin_popcountll(this->_M_w[__i]);
return __result;
}

6
libstdc++-v3/include/tr2/dynamic_bitset.tcc
View File

@ -131,7 +131,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_WordT __thisword = this->_M_w[__i];
if (__thisword != static_cast<_WordT>(0))
return (__i * _S_bits_per_block
+ __builtin_ctzl(__thisword));
+ __builtin_ctzll(__thisword));
}
// not found, so return an indication of failure.
return __not_found;
@ -158,7 +158,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (__thisword != static_cast<_WordT>(0))
return (__i * _S_bits_per_block
+ __builtin_ctzl(__thisword));
+ __builtin_ctzll(__thisword));
// check subsequent words
for (++__i; __i < this->_M_w.size(); ++__i)
@ -166,7 +166,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__thisword = this->_M_w[__i];
if (__thisword != static_cast<_WordT>(0))
return (__i * _S_bits_per_block
+ __builtin_ctzl(__thisword));
+ __builtin_ctzll(__thisword));
}
// not found, so return an indication of failure.
return __not_found;