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| author | Ken Matsui <kmatsui@gcc.gnu.org> | 2024-02-14 22:47:05 -0800 |
|---|---|---|
| committer | Ken Matsui <kmatsui@gcc.gnu.org> | 2024-06-13 05:56:28 -0700 |
| commit | 66f5bebd126657ec4b430fa9bc4b8557485f469d (patch) | |
| tree | 131b906f9ede4e2462e19fe1d7ba03a5c5186367 | |
| parent | d5e994f44653b913e24753351e713befffbf1a01 (diff) | |
| download | gcc-66f5bebd126657ec4b430fa9bc4b8557485f469d.zip gcc-66f5bebd126657ec4b430fa9bc4b8557485f469d.tar.gz gcc-66f5bebd126657ec4b430fa9bc4b8557485f469d.tar.bz2 | |
libstdc++: Optimize std::remove_all_extents compilation performance
This patch optimizes the compilation performance of
std::remove_all_extents by dispatching to the new
__remove_all_extents built-in trait.
libstdc++-v3/ChangeLog:
* include/std/type_traits (remove_all_extents): Use
__remove_all_extents built-in trait.
Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
Reviewed-by: Patrick Palka <ppalka@redhat.com>
Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
| -rw-r--r-- | libstdc++-v3/include/std/type_traits | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 02d7a3e..23432ac 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -2097,6 +2097,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #endif /// remove_all_extents +#if _GLIBCXX_USE_BUILTIN_TRAIT(__remove_all_extents) + template<typename _Tp> + struct remove_all_extents + { using type = __remove_all_extents(_Tp); }; +#else template<typename _Tp> struct remove_all_extents { using type = _Tp; }; @@ -2108,6 +2113,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _Tp> struct remove_all_extents<_Tp[]> { using type = typename remove_all_extents<_Tp>::type; }; +#endif #if __cplusplus > 201103L /// Alias template for remove_extent |