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re PR target/54686 (std::abs (long long) resorts to std::abs (double) if llabs is absent) 

2012-10-05  Marc Glisse  <marc.glisse@inria.fr>

	PR libstdc++/54686
	* include/c_global/cstdlib (abs(long long)): Define with
	__builtin_llabs when we have long long.
	(abs(long)): Use __builtin_labs.
	(abs(__int128)): Define when we have __int128.

From-SVN: r192138
This commit is contained in:
Marc Glisse 2012-10-05 21:10:22 +02:00 committed by Marc Glisse
parent 67dd8d5938
commit 3b1cd14dd0
2 changed files with 19 additions and 5 deletions
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8
libstdc++-v3/ChangeLog
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@ -1,3 +1,11 @@
2012-10-05 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/54686
* include/c_global/cstdlib (abs(long long)): Define with
__builtin_llabs when we have long long.
(abs(long)): Use __builtin_labs.
(abs(__int128)): Define when we have __int128.
2012-10-05 Paolo Carlini <paolo.carlini@oracle.com> 2012-10-05 Paolo Carlini <paolo.carlini@oracle.com>
* include/c_global/cstdlib: Remove redundant pasto code protected * include/c_global/cstdlib: Remove redundant pasto code protected

16
libstdc++-v3/include/c_global/cstdlib
View File

@ -135,12 +135,22 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP_STDLIB_H_PROTO #ifndef __CORRECT_ISO_CPP_STDLIB_H_PROTO
inline long inline long
abs(long __i) { return labs(__i); } abs(long __i) { return __builtin_labs(__i); }
inline ldiv_t inline ldiv_t
div(long __i, long __j) { return ldiv(__i, __j); } div(long __i, long __j) { return ldiv(__i, __j); }
#endif #endif
#ifdef _GLIBCXX_USE_LONG_LONG
inline long long
abs(long long __x) { return __builtin_llabs (__x); }
#endif
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
inline __int128
abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
#endif
_GLIBCXX_END_NAMESPACE_VERSION _GLIBCXX_END_NAMESPACE_VERSION
} // namespace } // namespace
@ -169,9 +179,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
using ::_Exit; using ::_Exit;
#endif #endif
inline long long
abs(long long __x) { return __x >= 0 ? __x : -__x; }
#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
using ::llabs; using ::llabs;
@ -206,7 +213,6 @@ namespace std
using ::__gnu_cxx::lldiv_t; using ::__gnu_cxx::lldiv_t;
#endif #endif
using ::__gnu_cxx::_Exit; using ::__gnu_cxx::_Exit;
using ::__gnu_cxx::abs;
#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
using ::__gnu_cxx::llabs; using ::__gnu_cxx::llabs;
using ::__gnu_cxx::div; using ::__gnu_cxx::div;