diff options
| author | Matthias Kretz <m.kretz@gsi.de> | 2021-06-24 14:20:15 +0100 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2021-06-24 14:33:21 +0100 |
| commit | 8888795ad16fc5ebf112b5bac091dc1ebb6c45d1 (patch) | |
| tree | f3606006175627df4de2fdc6a824b506550ef8bb /libstdc++-v3/include/experimental | |
| parent | d5125819d86274383041571daa3698d72bbac661 (diff) | |
libstdc++: Ensure unrolled loops inline the lambda
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* include/experimental/bits/simd.h (__execute_on_index_sequence)
(__execute_on_index_sequence_with_return)
(__call_with_n_evaluations, __call_with_subscripts): Add flatten
attribute.
Diffstat (limited to 'libstdc++-v3/include/experimental')
| -rw-r--r-- | libstdc++-v3/include/experimental/bits/simd.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libstdc++-v3/include/experimental/bits/simd.h b/libstdc++-v3/include/experimental/bits/simd.h index 163f1b574e2..c396ebd3ee3 100644 --- a/libstdc++-v3/include/experimental/bits/simd.h +++ b/libstdc++-v3/include/experimental/bits/simd.h @@ -234,7 +234,8 @@ namespace __detail // unrolled/pack execution helpers // __execute_n_times{{{ template <typename _Fp, size_t... _I> - _GLIBCXX_SIMD_INTRINSIC constexpr void + [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC constexpr + void __execute_on_index_sequence(_Fp&& __f, index_sequence<_I...>) { ((void)__f(_SizeConstant<_I>()), ...); } @@ -254,7 +255,8 @@ template <size_t _Np, typename _Fp> // }}} // __generate_from_n_evaluations{{{ template <typename _R, typename _Fp, size_t... _I> - _GLIBCXX_SIMD_INTRINSIC constexpr _R + [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC constexpr + _R __execute_on_index_sequence_with_return(_Fp&& __f, index_sequence<_I...>) { return _R{__f(_SizeConstant<_I>())...}; } @@ -269,7 +271,8 @@ template <size_t _Np, typename _R, typename _Fp> // }}} // __call_with_n_evaluations{{{ template <size_t... _I, typename _F0, typename _FArgs> - _GLIBCXX_SIMD_INTRINSIC constexpr auto + [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC constexpr + auto __call_with_n_evaluations(index_sequence<_I...>, _F0&& __f0, _FArgs&& __fargs) { return __f0(__fargs(_SizeConstant<_I>())...); } @@ -285,7 +288,8 @@ template <size_t _Np, typename _F0, typename _FArgs> // }}} // __call_with_subscripts{{{ template <size_t _First = 0, size_t... _It, typename _Tp, typename _Fp> - _GLIBCXX_SIMD_INTRINSIC constexpr auto + [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC constexpr + auto __call_with_subscripts(_Tp&& __x, index_sequence<_It...>, _Fp&& __fun) { return __fun(__x[_First + _It]...); } |