25#ifndef _GLIBCXX_EXPERIMENTAL_SIMD_ABIS_H_
26#define _GLIBCXX_EXPERIMENTAL_SIMD_ABIS_H_
28#if __cplusplus >= 201703L
34_GLIBCXX_SIMD_BEGIN_NAMESPACE
37 static inline _GLIBCXX_SIMD_USE_CONSTEXPR _V _S_allbits
38 =
reinterpret_cast<_V
>(~__vector_type_t<char,
sizeof(_V) /
sizeof(char)>());
42template <
typename _V,
typename = _VectorTraits<_V>>
43 static inline _GLIBCXX_SIMD_USE_CONSTEXPR _V _S_signmask
44 = __xor(_V() + 1, _V() - 1);
46template <
typename _V,
typename = _VectorTraits<_V>>
47 static inline _GLIBCXX_SIMD_USE_CONSTEXPR _V _S_absmask
48 = __andnot(_S_signmask<_V>, _S_allbits<_V>);
53template <
int... _Indices,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>,
54 typename = __detail::__odr_helper>
56 __vector_permute(_Tp __x)
58 static_assert(
sizeof...(_Indices) == _TVT::_S_full_size);
59 return __make_vector<typename _TVT::value_type>(
60 (_Indices == -1 ? 0 : __x[_Indices == -1 ? 0 : _Indices])...);
66template <
int... _Indices,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>,
67 typename = __detail::__odr_helper>
69 __vector_shuffle(_Tp __x, _Tp __y)
71 return _Tp{(_Indices == -1 ? 0
72 : _Indices < _TVT::_S_full_size
74 : __y[_Indices - _TVT::_S_full_size])...};
79template <
typename _Tp,
typename... _Args>
80 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper<_Tp,
sizeof...(_Args)>
81 __make_wrapper(
const _Args&... __args)
82 {
return __make_vector<_Tp>(__args...); }
86template <
typename _Tp,
size_t _ToN = 0,
typename _Up,
size_t _M,
87 size_t _Np = _ToN != 0 ? _ToN :
sizeof(_Up) * _M /
sizeof(_Tp)>
88 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper<_Tp, _Np>
89 __wrapper_bitcast(_SimdWrapper<_Up, _M> __x)
91 static_assert(_Np > 1);
92 return __intrin_bitcast<__vector_type_t<_Tp, _Np>>(__x._M_data);
97template <
int _Index,
int _Total,
int _Combine,
typename _Tp,
size_t _Np>
98 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_CONST
constexpr
99 conditional_t<_Np == _Total and _Combine == 1, _Tp, _SimdWrapper<_Tp, _Np / _Total * _Combine>>
100 __extract_part(
const _SimdWrapper<_Tp, _Np> __x)
102 if constexpr (_Np == _Total and _Combine == 1)
104 else if constexpr (_Index % 2 == 0 && _Total % 2 == 0 && _Combine % 2 == 0)
105 return __extract_part<_Index / 2, _Total / 2, _Combine / 2>(__x);
108 constexpr size_t __values_per_part = _Np / _Total;
109 constexpr size_t __values_to_skip = _Index * __values_per_part;
110 constexpr size_t __return_size = __values_per_part * _Combine;
111 using _R = __vector_type_t<_Tp, __return_size>;
112 static_assert((_Index + _Combine) * __values_per_part *
sizeof(_Tp)
114 "out of bounds __extract_part");
121 if (__x._M_is_constprop())
122 return __generate_from_n_evaluations<__return_size, _R>(
123 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
124 return __x[__values_to_skip + __i];
126 if constexpr (_Index == 0 && _Total == 1)
128 else if constexpr (_Index == 0)
129 return __intrin_bitcast<_R>(__as_vector(__x));
131 return __vec_shuffle(__as_vector(__x), make_index_sequence<__bit_ceil(__return_size)>(),
133 return __i + __values_to_skip;
140template <
int _Index,
int _Total,
int _Combine = 1,
size_t _Np>
141 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper<bool, _Np / _Total * _Combine>
142 __extract_part(
const _SimdWrapper<bool, _Np> __x)
144 static_assert(_Combine == 1,
"_Combine != 1 not implemented");
145 static_assert(__have_avx512f && _Total >= 2 && _Index + _Combine <= _Total && _Index >= 0);
146 return __x._M_data >> (_Index * _Np / _Total);
153template <
typename _To,
typename _From,
size_t... _I>
154 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
155 __vector_convert(_From __a, index_sequence<_I...>)
157 using _Tp =
typename _VectorTraits<_To>::value_type;
158 return _To{
static_cast<_Tp
>(__a[_I])...};
161template <
typename _To,
typename _From,
size_t... _I>
162 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
163 __vector_convert(_From __a, _From __b, index_sequence<_I...>)
165 using _Tp =
typename _VectorTraits<_To>::value_type;
166 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...};
169template <
typename _To,
typename _From,
size_t... _I>
170 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
171 __vector_convert(_From __a, _From __b, _From __c, index_sequence<_I...>)
173 using _Tp =
typename _VectorTraits<_To>::value_type;
174 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
175 static_cast<_Tp
>(__c[_I])...};
178template <
typename _To,
typename _From,
size_t... _I>
179 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
180 __vector_convert(_From __a, _From __b, _From __c, _From __d,
181 index_sequence<_I...>)
183 using _Tp =
typename _VectorTraits<_To>::value_type;
184 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
185 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...};
188template <
typename _To,
typename _From,
size_t... _I>
189 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
190 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
191 index_sequence<_I...>)
193 using _Tp =
typename _VectorTraits<_To>::value_type;
194 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
195 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
196 static_cast<_Tp
>(__e[_I])...};
199template <
typename _To,
typename _From,
size_t... _I>
200 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
201 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
202 _From __f, index_sequence<_I...>)
204 using _Tp =
typename _VectorTraits<_To>::value_type;
205 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
206 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
207 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...};
210template <
typename _To,
typename _From,
size_t... _I>
211 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
212 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
213 _From __f, _From __g, index_sequence<_I...>)
215 using _Tp =
typename _VectorTraits<_To>::value_type;
216 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
217 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
218 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
219 static_cast<_Tp
>(__g[_I])...};
222template <
typename _To,
typename _From,
size_t... _I>
223 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
224 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
225 _From __f, _From __g, _From __h, index_sequence<_I...>)
227 using _Tp =
typename _VectorTraits<_To>::value_type;
228 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
229 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
230 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
231 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...};
234template <
typename _To,
typename _From,
size_t... _I>
235 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
236 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
237 _From __f, _From __g, _From __h, _From __i,
238 index_sequence<_I...>)
240 using _Tp =
typename _VectorTraits<_To>::value_type;
241 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
242 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
243 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
244 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
245 static_cast<_Tp
>(__i[_I])...};
248template <
typename _To,
typename _From,
size_t... _I>
249 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
250 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
251 _From __f, _From __g, _From __h, _From __i, _From __j,
252 index_sequence<_I...>)
254 using _Tp =
typename _VectorTraits<_To>::value_type;
255 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
256 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
257 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
258 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
259 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...};
262template <
typename _To,
typename _From,
size_t... _I>
263 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
264 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
265 _From __f, _From __g, _From __h, _From __i, _From __j,
266 _From __k, index_sequence<_I...>)
268 using _Tp =
typename _VectorTraits<_To>::value_type;
269 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
270 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
271 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
272 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
273 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
274 static_cast<_Tp
>(__k[_I])...};
277template <
typename _To,
typename _From,
size_t... _I>
278 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
279 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
280 _From __f, _From __g, _From __h, _From __i, _From __j,
281 _From __k, _From __l, index_sequence<_I...>)
283 using _Tp =
typename _VectorTraits<_To>::value_type;
284 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
285 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
286 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
287 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
288 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
289 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...};
292template <
typename _To,
typename _From,
size_t... _I>
293 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
294 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
295 _From __f, _From __g, _From __h, _From __i, _From __j,
296 _From __k, _From __l, _From __m, index_sequence<_I...>)
298 using _Tp =
typename _VectorTraits<_To>::value_type;
299 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
300 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
301 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
302 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
303 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
304 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
305 static_cast<_Tp
>(__m[_I])...};
308template <
typename _To,
typename _From,
size_t... _I>
309 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
310 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
311 _From __f, _From __g, _From __h, _From __i, _From __j,
312 _From __k, _From __l, _From __m, _From __n,
313 index_sequence<_I...>)
315 using _Tp =
typename _VectorTraits<_To>::value_type;
316 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
317 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
318 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
319 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
320 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
321 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
322 static_cast<_Tp
>(__m[_I])...,
static_cast<_Tp
>(__n[_I])...};
325template <
typename _To,
typename _From,
size_t... _I>
326 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
327 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
328 _From __f, _From __g, _From __h, _From __i, _From __j,
329 _From __k, _From __l, _From __m, _From __n, _From __o,
330 index_sequence<_I...>)
332 using _Tp =
typename _VectorTraits<_To>::value_type;
333 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
334 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
335 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
336 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
337 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
338 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
339 static_cast<_Tp
>(__m[_I])...,
static_cast<_Tp
>(__n[_I])...,
340 static_cast<_Tp
>(__o[_I])...};
343template <
typename _To,
typename _From,
size_t... _I>
344 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
345 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
346 _From __f, _From __g, _From __h, _From __i, _From __j,
347 _From __k, _From __l, _From __m, _From __n, _From __o,
348 _From __p, index_sequence<_I...>)
350 using _Tp =
typename _VectorTraits<_To>::value_type;
351 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
352 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
353 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
354 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
355 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
356 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
357 static_cast<_Tp
>(__m[_I])...,
static_cast<_Tp
>(__n[_I])...,
358 static_cast<_Tp
>(__o[_I])...,
static_cast<_Tp
>(__p[_I])...};
364template <
typename _To,
typename... _From,
size_t _FromSize>
365 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
366 __vector_convert(_SimdWrapper<_From, _FromSize>... __xs)
368#ifdef _GLIBCXX_SIMD_WORKAROUND_PR85048
369 using _From0 = __first_of_pack_t<_From...>;
370 using _FW = _SimdWrapper<_From0, _FromSize>;
371 if (!_FW::_S_is_partial && !(... && __xs._M_is_constprop()))
373 if constexpr ((
sizeof...(_From) & (
sizeof...(_From) - 1))
375 return __convert_x86<_To>(__as_vector(__xs)...);
377 return __vector_convert<_To>(__xs..., _FW{});
381 return __vector_convert<_To>(
382 __as_vector(__xs)...,
383 make_index_sequence<(
sizeof...(__xs) == 1 ?
std::min(
384 _VectorTraits<_To>::_S_full_size,
int(_FromSize))
390template <
typename _To,
typename _From,
typename... _More>
391 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
392 __convert(_From __v0, _More... __vs)
394 static_assert((
true && ... && is_same_v<_From, _More>) );
395 if constexpr (__is_vectorizable_v<_From>)
397 using _V =
typename _VectorTraits<_To>::type;
398 using _Tp =
typename _VectorTraits<_To>::value_type;
399 return _V{
static_cast<_Tp
>(__v0),
static_cast<_Tp
>(__vs)...};
401 else if constexpr (__is_vector_type_v<_From>)
402 return __convert<_To>(__as_wrapper(__v0), __as_wrapper(__vs)...);
405 constexpr size_t __input_size = _From::_S_size * (1 +
sizeof...(_More));
406 if constexpr (__is_vectorizable_v<_To>)
407 return __convert<__vector_type_t<_To, __input_size>>(__v0, __vs...);
408 else if constexpr (!__is_vector_type_v<_To>)
409 return _To(__convert<typename _To::_BuiltinType>(__v0, __vs...));
413 sizeof...(_More) == 0
414 || _VectorTraits<_To>::_S_full_size >= __input_size,
415 "__convert(...) requires the input to fit into the output");
416 return __vector_convert<_To>(__v0, __vs...);
426template <
typename _To,
431 typename _From,
typename _FromVT = _VectorTraits<_From>>
432 _GLIBCXX_SIMD_INTRINSIC
auto
433 __convert_all(_From __v)
435 if constexpr (is_arithmetic_v<_To> && _NParts != 1)
437 static_assert(_Offset < _FromVT::_S_full_size);
439 = _NParts == 0 ? _FromVT::_S_partial_width - _Offset : _NParts;
440 return __generate_from_n_evaluations<_Np, array<_To, _Np>>(
441 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
442 return static_cast<_To
>(__v[__i + _Offset]);
447 static_assert(__is_vector_type_v<_To>);
448 using _ToVT = _VectorTraits<_To>;
449 if constexpr (__is_vector_type_v<_From>)
450 return __convert_all<_To, _NParts>(__as_wrapper(__v));
451 else if constexpr (_NParts == 1)
453 static_assert(_Offset % _ToVT::_S_full_size == 0);
454 return array<_To, 1>{__vector_convert<_To>(
455 __extract_part<_Offset / _ToVT::_S_full_size,
456 __div_roundup(_FromVT::_S_partial_width,
457 _ToVT::_S_full_size)>(__v))};
459#if _GLIBCXX_SIMD_X86INTRIN
460 else if constexpr (!__have_sse4_1 && _Offset == 0
461 && is_integral_v<typename _FromVT::value_type>
462 &&
sizeof(
typename _FromVT::value_type)
463 <
sizeof(
typename _ToVT::value_type)
464 && !(
sizeof(
typename _FromVT::value_type) == 4
465 && is_same_v<typename _ToVT::value_type, double>))
467 using _ToT =
typename _ToVT::value_type;
468 using _FromT =
typename _FromVT::value_type;
472 : (_FromVT::_S_partial_width / _ToVT::_S_full_size);
473 using _R = array<_To, _Np>;
478 [[maybe_unused]]
auto __adjust
480 auto __vv) -> _SimdWrapper<_FromT,
decltype(__n)::value> {
481 return __vector_bitcast<_FromT, decltype(__n)::value>(__vv);
483 [[maybe_unused]]
const auto __vi = __to_intrin(__v);
485 = [](
auto __x0, [[maybe_unused]]
auto __x1) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
486 if constexpr (_Np == 1)
487 return _R{__intrin_bitcast<_To>(__x0)};
489 return _R{__intrin_bitcast<_To>(__x0),
490 __intrin_bitcast<_To>(__x1)};
493 if constexpr (_Np == 0)
495 else if constexpr (
sizeof(_FromT) == 1 &&
sizeof(_ToT) == 2)
497 static_assert(is_integral_v<_FromT>);
498 static_assert(is_integral_v<_ToT>);
499 if constexpr (is_unsigned_v<_FromT>)
500 return __make_array(_mm_unpacklo_epi8(__vi, __m128i()),
501 _mm_unpackhi_epi8(__vi, __m128i()));
504 _mm_srai_epi16(_mm_unpacklo_epi8(__vi, __vi), 8),
505 _mm_srai_epi16(_mm_unpackhi_epi8(__vi, __vi), 8));
507 else if constexpr (
sizeof(_FromT) == 2 &&
sizeof(_ToT) == 4)
509 static_assert(is_integral_v<_FromT>);
510 if constexpr (is_floating_point_v<_ToT>)
513 = __convert_all<__vector_type16_t<int>, _Np>(
514 __adjust(_SizeConstant<_Np * 4>(), __v));
515 return __generate_from_n_evaluations<_Np, _R>(
516 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
517 return __vector_convert<_To>(__as_wrapper(__ints[__i]));
520 else if constexpr (is_unsigned_v<_FromT>)
521 return __make_array(_mm_unpacklo_epi16(__vi, __m128i()),
522 _mm_unpackhi_epi16(__vi, __m128i()));
525 _mm_srai_epi32(_mm_unpacklo_epi16(__vi, __vi), 16),
526 _mm_srai_epi32(_mm_unpackhi_epi16(__vi, __vi), 16));
528 else if constexpr (
sizeof(_FromT) == 4 &&
sizeof(_ToT) == 8
529 && is_integral_v<_FromT> && is_integral_v<_ToT>)
531 if constexpr (is_unsigned_v<_FromT>)
532 return __make_array(_mm_unpacklo_epi32(__vi, __m128i()),
533 _mm_unpackhi_epi32(__vi, __m128i()));
536 _mm_unpacklo_epi32(__vi, _mm_srai_epi32(__vi, 31)),
537 _mm_unpackhi_epi32(__vi, _mm_srai_epi32(__vi, 31)));
539 else if constexpr (
sizeof(_FromT) == 4 &&
sizeof(_ToT) == 8
540 && is_integral_v<_FromT> && is_integral_v<_ToT>)
542 if constexpr (is_unsigned_v<_FromT>)
543 return __make_array(_mm_unpacklo_epi32(__vi, __m128i()),
544 _mm_unpackhi_epi32(__vi, __m128i()));
547 _mm_unpacklo_epi32(__vi, _mm_srai_epi32(__vi, 31)),
548 _mm_unpackhi_epi32(__vi, _mm_srai_epi32(__vi, 31)));
550 else if constexpr (
sizeof(_FromT) == 1 &&
sizeof(_ToT) >= 4
551 && is_signed_v<_FromT>)
553 const __m128i __vv[2] = {_mm_unpacklo_epi8(__vi, __vi),
554 _mm_unpackhi_epi8(__vi, __vi)};
555 const __vector_type_t<int, 4> __vvvv[4] = {
556 __vector_bitcast<int>(_mm_unpacklo_epi16(__vv[0], __vv[0])),
557 __vector_bitcast<int>(_mm_unpackhi_epi16(__vv[0], __vv[0])),
558 __vector_bitcast<int>(_mm_unpacklo_epi16(__vv[1], __vv[1])),
559 __vector_bitcast<int>(_mm_unpackhi_epi16(__vv[1], __vv[1]))};
560 if constexpr (
sizeof(_ToT) == 4)
561 return __generate_from_n_evaluations<_Np, _R>(
562 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
563 return __vector_convert<_To>(
564 _SimdWrapper<int, 4>(__vvvv[__i] >> 24));
566 else if constexpr (is_integral_v<_ToT>)
567 return __generate_from_n_evaluations<_Np, _R>(
568 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
569 const auto __signbits = __to_intrin(__vvvv[__i / 2] >> 31);
570 const auto __sx32 = __to_intrin(__vvvv[__i / 2] >> 24);
571 return __vector_bitcast<_ToT>(
572 __i % 2 == 0 ? _mm_unpacklo_epi32(__sx32, __signbits)
573 : _mm_unpackhi_epi32(__sx32, __signbits));
576 return __generate_from_n_evaluations<_Np, _R>(
577 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
578 const _SimdWrapper<int, 4> __int4 = __vvvv[__i / 2] >> 24;
579 return __vector_convert<_To>(
580 __i % 2 == 0 ? __int4
581 : _SimdWrapper<int, 4>(
582 _mm_unpackhi_epi64(__to_intrin(__int4),
583 __to_intrin(__int4))));
586 else if constexpr (
sizeof(_FromT) == 1 &&
sizeof(_ToT) == 4)
588 const auto __shorts = __convert_all<__vector_type16_t<
589 conditional_t<is_signed_v<_FromT>, short,
unsigned short>>>(
590 __adjust(_SizeConstant<(_Np + 1) / 2 * 8>(), __v));
591 return __generate_from_n_evaluations<_Np, _R>(
592 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
593 return __convert_all<_To>(__shorts[__i / 2])[__i % 2];
596 else if constexpr (
sizeof(_FromT) == 2 &&
sizeof(_ToT) == 8
597 && is_signed_v<_FromT> && is_integral_v<_ToT>)
599 const __m128i __vv[2] = {_mm_unpacklo_epi16(__vi, __vi),
600 _mm_unpackhi_epi16(__vi, __vi)};
601 const __vector_type16_t<int> __vvvv[4]
602 = {__vector_bitcast<int>(
603 _mm_unpacklo_epi32(_mm_srai_epi32(__vv[0], 16),
604 _mm_srai_epi32(__vv[0], 31))),
605 __vector_bitcast<int>(
606 _mm_unpackhi_epi32(_mm_srai_epi32(__vv[0], 16),
607 _mm_srai_epi32(__vv[0], 31))),
608 __vector_bitcast<int>(
609 _mm_unpacklo_epi32(_mm_srai_epi32(__vv[1], 16),
610 _mm_srai_epi32(__vv[1], 31))),
611 __vector_bitcast<int>(
612 _mm_unpackhi_epi32(_mm_srai_epi32(__vv[1], 16),
613 _mm_srai_epi32(__vv[1], 31)))};
614 return __generate_from_n_evaluations<_Np, _R>(
615 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
616 return __vector_bitcast<_ToT>(__vvvv[__i]);
619 else if constexpr (
sizeof(_FromT) <= 2 &&
sizeof(_ToT) == 8)
623 is_signed_v<_FromT> || is_floating_point_v<_ToT>, int,
625 __adjust(_SizeConstant<(_Np + 1) / 2 * 4>(), __v));
626 return __generate_from_n_evaluations<_Np, _R>(
627 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
628 return __convert_all<_To>(__ints[__i / 2])[__i % 2];
632 __assert_unreachable<_To>();
635 else if constexpr ((_FromVT::_S_partial_width - _Offset)
636 > _ToVT::_S_full_size)
645 constexpr size_t _NTotal
646 = (_FromVT::_S_partial_width - _Offset) / _ToVT::_S_full_size;
647 constexpr size_t _Np = _NParts == 0 ? _NTotal : _NParts;
650 || (_Np == _NTotal + 1
651 && (_FromVT::_S_partial_width - _Offset) % _ToVT::_S_full_size
653 using _R = array<_To, _Np>;
654 if constexpr (_Np == 1)
655 return _R{__vector_convert<_To>(
656 __extract_part<_Offset, _FromVT::_S_partial_width,
657 _ToVT::_S_full_size>(__v))};
659 return __generate_from_n_evaluations<_Np, _R>(
660 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
662 = __extract_part<__i * _ToVT::_S_full_size + _Offset,
663 _FromVT::_S_partial_width,
664 _ToVT::_S_full_size>(__v);
665 return __vector_convert<_To>(__part);
668 else if constexpr (_Offset == 0)
669 return array<_To, 1>{__vector_convert<_To>(__v)};
671 return array<_To, 1>{__vector_convert<_To>(
672 __extract_part<_Offset, _FromVT::_S_partial_width,
673 _FromVT::_S_partial_width - _Offset>(__v))};
680template <
typename _Tp,
typename _Mp,
typename _Abi,
size_t _Np>
683 using _IsValid = true_type;
684 using _SimdImpl =
typename _Abi::_SimdImpl;
685 using _MaskImpl =
typename _Abi::_MaskImpl;
688 using _SimdMember = _SimdWrapper<_Tp, _Np>;
689 using _MaskMember = _SimdWrapper<_Mp, _Np>;
690 static constexpr size_t _S_simd_align =
alignof(_SimdMember);
691 static constexpr size_t _S_mask_align =
alignof(_MaskMember);
695 static constexpr size_t _S_full_size = _SimdMember::_S_full_size;
696 static constexpr bool _S_is_partial = _SimdMember::_S_is_partial;
702 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit
703 operator __intrinsic_type_t<_Tp, _Np>()
const
704 {
return __to_intrin(
static_cast<const simd<_Tp, _Abi>*
>(
this)->_M_data); }
706 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit
707 operator __vector_type_t<_Tp, _Np>()
const
708 {
return __data(*
static_cast<const simd<_Tp, _Abi>*
>(
this)); }
713 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit
714 operator __intrinsic_type_t<_Tp, _Np>()
const
715 {
return __data(*
static_cast<const simd<_Tp, _Abi>*
>(
this)); }
719 is_same<__intrinsic_type_t<_Tp, _Np>, __vector_type_t<_Tp, _Np>>::value,
720 _SimdBase1, _SimdBase2>;
726 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit
727 operator __intrinsic_type_t<_Tp, _Np>()
const
728 {
return static_cast<const simd_mask<_Tp, _Abi>*
>(
this) ->_M_data.__intrin(); }
730 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit
731 operator __vector_type_t<_Tp, _Np>()
const
732 {
return static_cast<const simd_mask<_Tp, _Abi>*
>(
this)->_M_data._M_data; }
737 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit
738 operator __intrinsic_type_t<_Tp, _Np>()
const
739 {
return __data(*
static_cast<const simd_mask<_Tp, _Abi>*
>(
this)); }
743 is_same<__intrinsic_type_t<_Tp, _Np>, __vector_type_t<_Tp, _Np>>::value,
744 _MaskBase1, _MaskBase2>;
751 using _Up = __intrinsic_type_t<_Tp, _Np>;
755 _GLIBCXX_SIMD_ALWAYS_INLINE
756 _MaskCastType(_Up __x) : _M_data(__x) {}
758 _GLIBCXX_SIMD_ALWAYS_INLINE
759 operator _MaskMember()
const {
return _M_data; }
767 using _Ap = __intrinsic_type_t<_Tp, _Np>;
771 _GLIBCXX_SIMD_ALWAYS_INLINE
constexpr
772 _SimdCastType1(_Ap __a) : _M_data(__vector_bitcast<_Tp>(__a)) {}
774 _GLIBCXX_SIMD_ALWAYS_INLINE
constexpr
775 operator _SimdMember()
const {
return _M_data; }
780 using _Ap = __intrinsic_type_t<_Tp, _Np>;
781 using _Bp = __vector_type_t<_Tp, _Np>;
785 _GLIBCXX_SIMD_ALWAYS_INLINE
constexpr
786 _SimdCastType2(_Ap __a) : _M_data(__vector_bitcast<_Tp>(__a)) {}
788 _GLIBCXX_SIMD_ALWAYS_INLINE
constexpr
789 _SimdCastType2(_Bp __b) : _M_data(__b) {}
791 _GLIBCXX_SIMD_ALWAYS_INLINE
constexpr
792 operator _SimdMember()
const {
return _M_data; }
796 is_same<__intrinsic_type_t<_Tp, _Np>, __vector_type_t<_Tp, _Np>>::value,
797 _SimdCastType1, _SimdCastType2>;
802struct _CommonImplX86;
803struct _CommonImplNeon;
804struct _CommonImplBuiltin;
805template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplBuiltin;
806template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplBuiltin;
807template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplX86;
808template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplX86;
809template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplNeon;
810template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplNeon;
811template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplPpc;
812template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplPpc;
815template <
int _UsedBytes>
816 struct simd_abi::_VecBuiltin
818 template <
typename _Tp>
819 static constexpr size_t _S_size = _UsedBytes /
sizeof(_Tp);
822 struct _IsValidAbiTag : __bool_constant<(_UsedBytes > 1)> {};
824 template <
typename _Tp>
825 struct _IsValidSizeFor
826 : __bool_constant<(_UsedBytes / sizeof(_Tp) > 1
827 && _UsedBytes % sizeof(_Tp) == 0
828 && _UsedBytes <= __vectorized_sizeof<_Tp>()
829 && (!__have_avx512f || _UsedBytes <= 32))> {};
831 template <typename _Tp>
832 struct _IsValid : conjunction<_IsValidAbiTag, __is_vectorizable<_Tp>,
833 _IsValidSizeFor<_Tp>> {};
835 template <typename _Tp>
836 static constexpr bool _S_is_valid_v = _IsValid<_Tp>::value;
840#if _GLIBCXX_SIMD_X86INTRIN
841 using _CommonImpl = _CommonImplX86;
842 using _SimdImpl = _SimdImplX86<_VecBuiltin<_UsedBytes>>;
843 using _MaskImpl = _MaskImplX86<_VecBuiltin<_UsedBytes>>;
844#elif _GLIBCXX_SIMD_HAVE_NEON
845 using _CommonImpl = _CommonImplNeon;
846 using _SimdImpl = _SimdImplNeon<_VecBuiltin<_UsedBytes>>;
847 using _MaskImpl = _MaskImplNeon<_VecBuiltin<_UsedBytes>>;
849 using _CommonImpl = _CommonImplBuiltin;
851 using _SimdImpl = _SimdImplPpc<_VecBuiltin<_UsedBytes>>;
852 using _MaskImpl = _MaskImplPpc<_VecBuiltin<_UsedBytes>>;
854 using _SimdImpl = _SimdImplBuiltin<_VecBuiltin<_UsedBytes>>;
855 using _MaskImpl = _MaskImplBuiltin<_VecBuiltin<_UsedBytes>>;
861 template <typename _Tp>
862 using _MaskValueType = __int_for_sizeof_t<_Tp>;
864 template <typename _Tp>
866 = conditional_t<_S_is_valid_v<_Tp>,
867 _GnuTraits<_Tp, _MaskValueType<_Tp>,
868 _VecBuiltin<_UsedBytes>, _S_size<_Tp>>,
873 template <typename _Tp>
874 static constexpr size_t _S_full_size = __traits<_Tp>::_S_full_size;
876 template <typename _Tp>
877 static constexpr bool _S_is_partial = __traits<_Tp>::_S_is_partial;
881 template <typename _Tp>
882 using _MaskMember = _SimdWrapper<_MaskValueType<_Tp>, _S_size<_Tp>>;
884 template <typename _Tp>
885 _GLIBCXX_SIMD_INTRINSIC static constexpr _MaskMember<_Tp>
888 using _UV = typename _MaskMember<_Tp>::_BuiltinType;
889 if constexpr (!_MaskMember<_Tp>::_S_is_partial)
893 constexpr auto __size = _S_size<_Tp>;
894 _GLIBCXX_SIMD_USE_CONSTEXPR auto __r
895 = __generate_vector<_UV>([](auto __i) constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
896 { return __i < __size ? -1 : 0; });
901 template <typename _Tp>
902 _GLIBCXX_SIMD_INTRINSIC static constexpr __intrinsic_type_t<_Tp, _S_size<_Tp>>
903 _S_implicit_mask_intrin()
904 { return __to_intrin(__vector_bitcast<_Tp>(_S_implicit_mask<_Tp>()._M_data)); }
906 template <typename _TW, typename _TVT = _VectorTraits<_TW>>
907 _GLIBCXX_SIMD_INTRINSIC static constexpr _TW
910 using _Tp = typename _TVT::value_type;
911 if constexpr (!_MaskMember<_Tp>::_S_is_partial)
914 return __and(__as_vector(__x),
915 __vector_bitcast<_Tp>(_S_implicit_mask<_Tp>()));
918 template <typename _TW, typename _TVT = _VectorTraits<_TW>>
919 _GLIBCXX_SIMD_INTRINSIC static constexpr auto
920 __make_padding_nonzero(_TW __x)
922 using _Tp = typename _TVT::value_type;
923 if constexpr (!_S_is_partial<_Tp>)
927 _GLIBCXX_SIMD_USE_CONSTEXPR auto __implicit_mask
928 = __vector_bitcast<_Tp>(_S_implicit_mask<_Tp>());
929 if constexpr (is_integral_v<_Tp>)
930 return __or(__x, ~__implicit_mask);
933 _GLIBCXX_SIMD_USE_CONSTEXPR auto __one
934 = __andnot(__implicit_mask,
935 __vector_broadcast<_S_full_size<_Tp>>(_Tp(1)));
939 return __or(__and(__x, __implicit_mask), __one);
948template <int _UsedBytes>
949 struct simd_abi::_VecBltnBtmsk
951 template <typename _Tp>
952 static constexpr size_t _S_size = _UsedBytes / sizeof(_Tp);
955 struct _IsValidAbiTag : __bool_constant<(_UsedBytes > 1)> {};
957 template <typename _Tp>
958 struct _IsValidSizeFor
959 : __bool_constant<(_UsedBytes / sizeof(_Tp) > 1
960 && _UsedBytes % sizeof(_Tp) == 0 && _UsedBytes <= 64
961 && (_UsedBytes > 32 || __have_avx512vl))> {};
965 template <
typename _Tp>
968 _IsValidAbiTag, __bool_constant<__have_avx512f>,
969 __bool_constant<__have_avx512bw || (sizeof(_Tp) >= 4)>,
970 __bool_constant<(__vectorized_sizeof<_Tp>() > sizeof(_Tp))>,
971 _IsValidSizeFor<_Tp>> {};
973 template <
typename _Tp>
974 static constexpr bool _S_is_valid_v = _IsValid<_Tp>::value;
978 #if _GLIBCXX_SIMD_X86INTRIN
979 using _CommonImpl = _CommonImplX86;
980 using _SimdImpl = _SimdImplX86<_VecBltnBtmsk<_UsedBytes>>;
981 using _MaskImpl = _MaskImplX86<_VecBltnBtmsk<_UsedBytes>>;
986 using _CommonImpl = _MissingImpl<_UsedBytes>;
987 using _SimdImpl = _MissingImpl<_UsedBytes>;
988 using _MaskImpl = _MissingImpl<_UsedBytes>;
993 template <
typename _Tp>
994 using _MaskMember = _SimdWrapper<bool, _S_size<_Tp>>;
996 template <
typename _Tp>
999 _GnuTraits<_Tp, bool, _VecBltnBtmsk<_UsedBytes>, _S_size<_Tp>>,
1004 template <
typename _Tp>
1005 static constexpr size_t _S_full_size = __traits<_Tp>::_S_full_size;
1006 template <
typename _Tp>
1007 static constexpr bool _S_is_partial = __traits<_Tp>::_S_is_partial;
1012 template <
typename _Tp>
1013 using _ImplicitMask = _SimdWrapper<bool, _S_size<_Tp>>;
1016 template <
size_t _Np>
1017 _GLIBCXX_SIMD_INTRINSIC
static constexpr __bool_storage_member_type_t<_Np>
1020 using _Tp = __bool_storage_member_type_t<_Np>;
1021 return _Np <
sizeof(_Tp) * __CHAR_BIT__ ? _Tp((1ULL << _Np) - 1) : ~_Tp();
1024 template <
typename _Tp>
1025 _GLIBCXX_SIMD_INTRINSIC
static constexpr _ImplicitMask<_Tp>
1027 {
return __implicit_mask_n<_S_size<_Tp>>(); }
1029 template <
typename _Tp>
1030 _GLIBCXX_SIMD_INTRINSIC
static constexpr __bool_storage_member_type_t<_S_size<_Tp>>
1031 _S_implicit_mask_intrin()
1032 {
return __implicit_mask_n<_S_size<_Tp>>(); }
1034 template <
typename _Tp,
size_t _Np>
1035 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1036 _S_masked(_SimdWrapper<_Tp, _Np> __x)
1038 if constexpr (is_same_v<_Tp, bool>)
1039 if constexpr (_Np < 8 || (_Np & (_Np - 1)) != 0)
1040 return _MaskImpl::_S_bit_and(
1041 __x, _SimdWrapper<_Tp, _Np>(
1042 __bool_storage_member_type_t<_Np>((1ULL << _Np) - 1)));
1046 return _S_masked(__x._M_data);
1049 template <
typename _TV>
1050 _GLIBCXX_SIMD_INTRINSIC
static constexpr _TV
1053 using _Tp =
typename _VectorTraits<_TV>::value_type;
1055 !__is_bitmask_v<_TV>,
1056 "_VecBltnBtmsk::_S_masked cannot work on bitmasks, since it doesn't "
1057 "know the number of elements. Use _SimdWrapper<bool, N> instead.");
1058 if constexpr (_S_is_partial<_Tp>)
1060 constexpr size_t _Np = _S_size<_Tp>;
1061 return __make_dependent_t<_TV, _CommonImpl>::_S_blend(
1062 _S_implicit_mask<_Tp>(), _SimdWrapper<_Tp, _Np>(),
1063 _SimdWrapper<_Tp, _Np>(__x));
1069 template <
typename _TV,
typename _TVT = _VectorTraits<_TV>>
1070 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
1071 __make_padding_nonzero(_TV __x)
1073 using _Tp =
typename _TVT::value_type;
1074 if constexpr (!_S_is_partial<_Tp>)
1078 constexpr size_t _Np = _S_size<_Tp>;
1079 if constexpr (is_integral_v<typename _TVT::value_type>)
1081 | __generate_vector<_Tp, _S_full_size<_Tp>>(
1082 [](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA -> _Tp {
1089 return __make_dependent_t<_TV, _CommonImpl>::_S_blend(
1090 _S_implicit_mask<_Tp>(),
1091 _SimdWrapper<_Tp, _Np>(
1092 __vector_broadcast<_S_full_size<_Tp>>(_Tp(1))),
1093 _SimdWrapper<_Tp, _Np>(__x))
1103struct _CommonImplBuiltin
1110 template <
typename _From,
typename _To,
size_t _ToSize>
1111 static inline constexpr bool __converts_via_decomposition_v
1112 =
sizeof(_From) !=
sizeof(_To);
1116 template <
typename _Tp,
size_t _Np,
size_t _Bytes = _Np * sizeof(_Tp)>
1117 _GLIBCXX_SIMD_INTRINSIC
static __vector_type_t<_Tp, _Np>
1118 _S_load(
const void* __p)
1120 static_assert(_Np > 1);
1121 static_assert(_Bytes %
sizeof(_Tp) == 0);
1122 using _Rp = __vector_type_t<_Tp, _Np>;
1123 if constexpr (
sizeof(_Rp) == _Bytes)
1126 __builtin_memcpy(&__r, __p, _Bytes);
1131#ifdef _GLIBCXX_SIMD_WORKAROUND_PR90424
1135 conditional_t<_Bytes % 8 == 0, long long, int>,
1136 conditional_t<_Bytes % 2 == 0, short, signed char>>,
1137 conditional_t<(_Bytes < 8 || _Np % 2 == 1 || _Np == 2), _Tp,
1139 using _V = __vector_type_t<_Up, _Np *
sizeof(_Tp) /
sizeof(_Up)>;
1140 if constexpr (
sizeof(_V) !=
sizeof(_Rp))
1143 __builtin_memcpy(&__r, __p, _Bytes);
1152 static_assert(_Bytes <=
sizeof(_V));
1153 __builtin_memcpy(&__r, __p, _Bytes);
1154 return reinterpret_cast<_Rp
>(__r);
1161 template <
size_t _Bytes>
1162 _GLIBCXX_SIMD_INTRINSIC
static void
1163 _S_memcpy(
char* __dst,
const char* __src)
1165 if constexpr (_Bytes > 0)
1167 constexpr size_t _Ns = std::__bit_floor(_Bytes);
1168 __builtin_memcpy(__dst, __src, _Ns);
1169 _S_memcpy<_Bytes - _Ns>(__dst + _Ns, __src + _Ns);
1173 template <
size_t _ReqBytes = 0,
typename _TV>
1174 _GLIBCXX_SIMD_INTRINSIC
static void
1175 _S_store(_TV __x,
void* __addr)
1177 constexpr size_t _Bytes = _ReqBytes == 0 ?
sizeof(__x) : _ReqBytes;
1178 static_assert(
sizeof(__x) >= _Bytes);
1180#if !defined __clang__ && _GLIBCXX_SIMD_WORKAROUND_PR90424
1181 if constexpr (__is_vector_type_v<_TV>)
1182 _S_memcpy<_Bytes>(
reinterpret_cast<char*
>(__addr),
reinterpret_cast<const char*
>(&__x));
1185 __builtin_memcpy(__addr, &__x, _Bytes);
1188 template <
typename _Tp,
size_t _Np>
1189 _GLIBCXX_SIMD_INTRINSIC
static void
1190 _S_store(_SimdWrapper<_Tp, _Np> __x,
void* __addr)
1191 { _S_store<_Np * sizeof(_Tp)>(__x._M_data, __addr); }
1195 template <
size_t _Np,
bool _Sanitized>
1196 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
1197 _S_store_bool_array(_BitMask<_Np, _Sanitized> __x,
bool* __mem)
1199 if constexpr (_Np == 1)
1201 else if (__builtin_is_constant_evaluated())
1203 for (
size_t __i = 0; __i < _Np; ++__i)
1204 __mem[__i] = __x[__i];
1206 else if constexpr (_Np == 2)
1208 short __bool2 = (__x._M_to_bits() * 0x81) & 0x0101;
1209 _S_store<_Np>(__bool2, __mem);
1211 else if constexpr (_Np == 3)
1213 int __bool3 = (__x._M_to_bits() * 0x4081) & 0x010101;
1214 _S_store<_Np>(__bool3, __mem);
1218 __execute_n_times<__div_roundup(_Np, 4)>(
1219 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1220 constexpr int __offset = __i * 4;
1221 constexpr int __remaining = _Np - __offset;
1222 if constexpr (__remaining > 4 && __remaining <= 7)
1224 const _ULLong __bool7
1225 = (__x.template _M_extract<__offset>()._M_to_bits()
1227 & 0x0101010101010101ULL;
1228 _S_store<__remaining>(__bool7, __mem + __offset);
1230 else if constexpr (__remaining >= 4)
1232 int __bits = __x.template _M_extract<__offset>()._M_to_bits();
1233 if constexpr (__remaining > 7)
1235 const int __bool4 = (__bits * 0x204081) & 0x01010101;
1236 _S_store<4>(__bool4, __mem + __offset);
1244 template <
typename _Tp,
size_t _Np>
1245 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
1246 _S_blend(_SimdWrapper<__int_for_sizeof_t<_Tp>, _Np> __k,
1247 _SimdWrapper<_Tp, _Np> __at0, _SimdWrapper<_Tp, _Np> __at1)
1248 {
return __k._M_data ? __at1._M_data : __at0._M_data; }
1255template <
typename _Abi,
typename>
1256 struct _SimdImplBuiltin
1259 template <
typename _Tp>
1260 static constexpr size_t _S_max_store_size = 16;
1262 using abi_type = _Abi;
1264 template <
typename _Tp>
1265 using _TypeTag = _Tp*;
1267 template <
typename _Tp>
1268 using _SimdMember =
typename _Abi::template __traits<_Tp>::_SimdMember;
1270 template <
typename _Tp>
1271 using _MaskMember =
typename _Abi::template _MaskMember<_Tp>;
1273 template <
typename _Tp>
1274 static constexpr size_t _S_size = _Abi::template _S_size<_Tp>;
1276 template <
typename _Tp>
1277 static constexpr size_t _S_full_size = _Abi::template _S_full_size<_Tp>;
1279 using _CommonImpl =
typename _Abi::_CommonImpl;
1280 using _SuperImpl =
typename _Abi::_SimdImpl;
1281 using _MaskImpl =
typename _Abi::_MaskImpl;
1284 template <
typename _Tp,
size_t _Np>
1285 _GLIBCXX_SIMD_INTRINSIC
static constexpr simd<_Tp, _Abi>
1286 _M_make_simd(_SimdWrapper<_Tp, _Np> __x)
1287 {
return {__private_init, __x}; }
1289 template <
typename _Tp,
size_t _Np>
1290 _GLIBCXX_SIMD_INTRINSIC
static constexpr simd<_Tp, _Abi>
1291 _M_make_simd(__intrinsic_type_t<_Tp, _Np> __x)
1292 {
return {__private_init, __vector_bitcast<_Tp>(__x)}; }
1295 template <
typename _Tp>
1296 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdMember<_Tp>
1297 _S_broadcast(_Tp __x)
noexcept
1298 {
return __vector_broadcast<_S_full_size<_Tp>>(__x); }
1301 template <
typename _Fp,
typename _Tp>
1302 inline static constexpr _SimdMember<_Tp>
1303 _S_generator(_Fp&& __gen, _TypeTag<_Tp>)
1305 return __generate_vector<_Tp, _S_full_size<_Tp>>(
1306 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1307 if constexpr (__i < _S_size<_Tp>)
1315 template <
typename _Tp,
typename _Up>
1316 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdMember<_Tp>
1317 _S_load(
const _Up* __mem, _TypeTag<_Tp>)
noexcept
1319 constexpr size_t _Np = _S_size<_Tp>;
1320 constexpr size_t __max_load_size
1321 = (
sizeof(_Up) >= 4 && __have_avx512f) || __have_avx512bw ? 64
1322 : (is_floating_point_v<_Up> && __have_avx) || __have_avx2 ? 32
1324 constexpr size_t __bytes_to_load =
sizeof(_Up) * _Np;
1325 if (__builtin_is_constant_evaluated())
1326 return __generate_vector<_Tp, _S_full_size<_Tp>>(
1327 [&](
auto __i)
constexpr {
1328 return static_cast<_Tp
>(__i < _Np ? __mem[__i] : 0);
1330 else if constexpr (
sizeof(_Up) > 8 or __vectorized_sizeof<_Up>() <=
sizeof(_Up))
1331 return __generate_vector<_Tp, _SimdMember<_Tp>::_S_full_size>(
1332 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1333 return static_cast<_Tp
>(__i < _Np ? __mem[__i] : 0);
1335 else if constexpr (is_same_v<_Up, _Tp>)
1336 return _CommonImpl::template _S_load<_Tp, _S_full_size<_Tp>,
1337 _Np *
sizeof(_Tp)>(__mem);
1338 else if constexpr (__bytes_to_load <= __max_load_size)
1339 return __convert<_SimdMember<_Tp>>(
1340 _CommonImpl::template _S_load<_Up, _Np>(__mem));
1341 else if constexpr (__bytes_to_load % __max_load_size == 0)
1343 constexpr size_t __n_loads = __bytes_to_load / __max_load_size;
1344 constexpr size_t __elements_per_load = _Np / __n_loads;
1345 return __call_with_n_evaluations<__n_loads>(
1346 [](
auto... __uncvted) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1347 return __convert<_SimdMember<_Tp>>(__uncvted...);
1348 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1349 return _CommonImpl::template _S_load<_Up, __elements_per_load>(
1350 __mem + __i * __elements_per_load);
1353 else if constexpr (__bytes_to_load % (__max_load_size / 2) == 0
1354 && __max_load_size > 16)
1356 constexpr size_t __n_loads
1357 = __bytes_to_load / (__max_load_size / 2);
1358 constexpr size_t __elements_per_load = _Np / __n_loads;
1359 return __call_with_n_evaluations<__n_loads>(
1360 [](
auto... __uncvted) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1361 return __convert<_SimdMember<_Tp>>(__uncvted...);
1362 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1363 return _CommonImpl::template _S_load<_Up, __elements_per_load>(
1364 __mem + __i * __elements_per_load);
1368 return __call_with_subscripts(
1369 __mem, make_index_sequence<_Np>(),
1370 [](
auto... __args) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1371 return __vector_type_t<_Tp, _S_full_size<_Tp>>{
static_cast<_Tp
>(__args)...};
1376 template <
typename _Tp,
size_t _Np,
typename _Up>
1377 static constexpr inline _SimdWrapper<_Tp, _Np>
1378 _S_masked_load(_SimdWrapper<_Tp, _Np> __merge, _MaskMember<_Tp> __k,
1379 const _Up* __mem)
noexcept
1381 _BitOps::_S_bit_iteration(_MaskImpl::_S_to_bits(__k),
1382 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1383 __merge._M_set(__i,
static_cast<_Tp
>(__mem[__i]));
1389 template <
typename _Tp,
typename _Up>
1390 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
1391 _S_store(_SimdMember<_Tp> __v, _Up* __mem, _TypeTag<_Tp>)
noexcept
1394 constexpr size_t _Np = _S_size<_Tp>;
1395 constexpr size_t __max_store_size
1396 = _SuperImpl::template _S_max_store_size<_Up>;
1397 if (__builtin_is_constant_evaluated())
1399 for (
size_t __i = 0; __i < _Np; ++__i)
1400 __mem[__i] = __v[__i];
1402 else if constexpr (
sizeof(_Up) > 8 or __vectorized_sizeof<_Up>() <=
sizeof(_Up))
1403 __execute_n_times<_Np>([&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1404 __mem[__i] = __v[__i];
1406 else if constexpr (is_same_v<_Up, _Tp>)
1407 _CommonImpl::_S_store(__v, __mem);
1408 else if constexpr (
sizeof(_Up) * _Np <= __max_store_size)
1409 _CommonImpl::_S_store(_SimdWrapper<_Up, _Np>(__convert<_Up>(__v)),
1413 constexpr size_t __vsize = __max_store_size /
sizeof(_Up);
1415 constexpr size_t __stores = __div_roundup(_Np, __vsize);
1416 constexpr size_t __full_stores = _Np / __vsize;
1417 using _V = __vector_type_t<_Up, __vsize>;
1418 const array<_V, __stores> __converted
1419 = __convert_all<_V, __stores>(__v);
1420 __execute_n_times<__full_stores>(
1421 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1422 _CommonImpl::_S_store(__converted[__i], __mem + __i * __vsize);
1424 if constexpr (__full_stores < __stores)
1425 _CommonImpl::template _S_store<(_Np - __full_stores * __vsize)
1427 __converted[__full_stores], __mem + __full_stores * __vsize);
1432 template <
typename _Tp,
size_t _Np>
1433 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
1434 _S_masked_store_nocvt(_SimdWrapper<_Tp, _Np> __v, _Tp* __mem, _MaskMember<_Tp> __k)
1436 _BitOps::_S_bit_iteration(
1437 _MaskImpl::_S_to_bits(__k),
1438 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1439 __mem[__i] = __v[__i];
1444 template <
typename _TW,
typename _TVT = _VectorTraits<_TW>,
1445 typename _Tp =
typename _TVT::value_type,
typename _Up>
1446 static constexpr inline void
1447 _S_masked_store(
const _TW __v, _Up* __mem,
const _MaskMember<_Tp> __k)
noexcept
1449 constexpr size_t _TV_size = _S_size<_Tp>;
1450 [[maybe_unused]]
const auto __vi = __to_intrin(__v);
1451 constexpr size_t __max_store_size
1452 = _SuperImpl::template _S_max_store_size<_Up>;
1456 _Up> || (is_integral_v<_Tp> && is_integral_v<_Up> &&
sizeof(_Tp) ==
sizeof(_Up)))
1459 const _MaskMember<_Up> __kk = [&]() _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1460 if constexpr (__is_bitmask_v<
decltype(__k)>)
1461 return _MaskMember<_Up>(__k._M_data);
1463 return __wrapper_bitcast<__int_for_sizeof_t<_Up>>(__k);
1465 _SuperImpl::_S_masked_store_nocvt(__wrapper_bitcast<_Up>(__v),
1468 else if constexpr (__vectorized_sizeof<_Up>() >
sizeof(_Up)
1470 template __converts_via_decomposition_v<
1471 _Tp, _Up, __max_store_size>)
1475 constexpr size_t _UW_size
1476 =
std::min(_TV_size, __max_store_size /
sizeof(_Up));
1477 static_assert(_UW_size <= _TV_size);
1478 using _UW = _SimdWrapper<_Up, _UW_size>;
1479 using _UV = __vector_type_t<_Up, _UW_size>;
1480 using _UAbi = simd_abi::__no_sve_deduce_t<_Up, _UW_size>;
1481 if constexpr (_UW_size == _TV_size)
1483 const _UW __converted = __convert<_UW>(__v);
1484 _UAbi::_SimdImpl::_S_masked_store_nocvt(
1486 _UAbi::_MaskImpl::template _S_convert<
1487 __int_for_sizeof_t<_Up>>(__k));
1491 static_assert(_UW_size *
sizeof(_Up) == __max_store_size);
1492 constexpr size_t _NFullStores = _TV_size / _UW_size;
1493 constexpr size_t _NAllStores
1494 = __div_roundup(_TV_size, _UW_size);
1495 constexpr size_t _NParts = _S_full_size<_Tp> / _UW_size;
1496 const array<_UV, _NAllStores> __converted
1497 = __convert_all<_UV, _NAllStores>(__v);
1498 __execute_n_times<_NFullStores>([&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1499 _UAbi::_SimdImpl::_S_masked_store_nocvt(
1500 _UW(__converted[__i]), __mem + __i * _UW_size,
1501 _UAbi::_MaskImpl::template _S_convert<
1502 __int_for_sizeof_t<_Up>>(
1503 __extract_part<__i, _NParts>(__k.__as_full_vector())));
1505 if constexpr (_NAllStores
1507 _UAbi::_SimdImpl::_S_masked_store_nocvt(
1508 _UW(__converted[_NFullStores]),
1509 __mem + _NFullStores * _UW_size,
1510 _UAbi::_MaskImpl::template _S_convert<
1511 __int_for_sizeof_t<_Up>>(
1512 __extract_part<_NFullStores, _NParts>(
1513 __k.__as_full_vector())));
1517 _BitOps::_S_bit_iteration(_MaskImpl::_S_to_bits(__k),
1518 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1519 __mem[__i] =
static_cast<_Up
>(__v[__i]);
1524 template <
typename _Tp,
size_t _Np>
1525 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1526 _S_complement(_SimdWrapper<_Tp, _Np> __x)
noexcept
1528 if constexpr (is_floating_point_v<_Tp>)
1529 return __vector_bitcast<_Tp>(~__vector_bitcast<__int_for_sizeof_t<_Tp>>(__x));
1531 return ~__x._M_data;
1535 template <
typename _Tp,
size_t _Np>
1536 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1537 _S_unary_minus(_SimdWrapper<_Tp, _Np> __x)
noexcept
1541 return -__x._M_data;
1545 template <
typename _Tp,
size_t _Np>
1546 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1547 _S_plus(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1548 {
return __x._M_data + __y._M_data; }
1550 template <
typename _Tp,
size_t _Np>
1551 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1552 _S_minus(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1553 {
return __x._M_data - __y._M_data; }
1555 template <
typename _Tp,
size_t _Np>
1556 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1557 _S_multiplies(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1558 {
return __x._M_data * __y._M_data; }
1560 template <
typename _Tp,
size_t _Np>
1561 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1562 _S_divides(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1566 if constexpr (!_Abi::template _S_is_partial<_Tp>)
1567 return __x._M_data / __y._M_data;
1569 return __x._M_data / _Abi::__make_padding_nonzero(__y._M_data);
1572 template <
typename _Tp,
size_t _Np>
1573 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1574 _S_modulus(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1576 if constexpr (!_Abi::template _S_is_partial<_Tp>)
1577 return __x._M_data % __y._M_data;
1579 return __as_vector(__x)
1580 % _Abi::__make_padding_nonzero(__as_vector(__y));
1583 template <
typename _Tp,
size_t _Np>
1584 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1585 _S_bit_and(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1586 {
return __and(__x, __y); }
1588 template <
typename _Tp,
size_t _Np>
1589 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1590 _S_bit_or(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1591 {
return __or(__x, __y); }
1593 template <
typename _Tp,
size_t _Np>
1594 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1595 _S_bit_xor(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1596 {
return __xor(__x, __y); }
1598 template <
typename _Tp,
size_t _Np>
1599 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
1600 _S_bit_shift_left(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1601 {
return __x._M_data << __y._M_data; }
1603 template <
typename _Tp,
size_t _Np>
1604 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
1605 _S_bit_shift_right(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1606 {
return __x._M_data >> __y._M_data; }
1608 template <
typename _Tp,
size_t _Np>
1609 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1610 _S_bit_shift_left(_SimdWrapper<_Tp, _Np> __x,
int __y)
1611 {
return __x._M_data << __y; }
1613 template <
typename _Tp,
size_t _Np>
1614 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1615 _S_bit_shift_right(_SimdWrapper<_Tp, _Np> __x,
int __y)
1616 {
return __x._M_data >> __y; }
1620 template <
typename _Tp,
size_t _Np>
1621 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1622 _S_equal_to(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1623 {
return __x._M_data == __y._M_data; }
1626 template <
typename _Tp,
size_t _Np>
1627 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1628 _S_not_equal_to(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1629 {
return __x._M_data != __y._M_data; }
1632 template <
typename _Tp,
size_t _Np>
1633 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1634 _S_less(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1635 {
return __x._M_data < __y._M_data; }
1638 template <
typename _Tp,
size_t _Np>
1639 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1640 _S_less_equal(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1641 {
return __x._M_data <= __y._M_data; }
1644 template <
typename _Tp,
size_t _Np>
1645 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1646 _S_negate(_SimdWrapper<_Tp, _Np> __x)
noexcept
1647 {
return !__x._M_data; }
1650 template <
typename _Tp,
size_t _Np>
1651 _GLIBCXX_SIMD_NORMAL_MATH _GLIBCXX_SIMD_INTRINSIC
static constexpr
1652 _SimdWrapper<_Tp, _Np>
1653 _S_min(_SimdWrapper<_Tp, _Np> __a, _SimdWrapper<_Tp, _Np> __b)
1654 {
return __a._M_data < __b._M_data ? __a._M_data : __b._M_data; }
1656 template <
typename _Tp,
size_t _Np>
1657 _GLIBCXX_SIMD_NORMAL_MATH _GLIBCXX_SIMD_INTRINSIC
static constexpr
1658 _SimdWrapper<_Tp, _Np>
1659 _S_max(_SimdWrapper<_Tp, _Np> __a, _SimdWrapper<_Tp, _Np> __b)
1660 {
return __a._M_data > __b._M_data ? __a._M_data : __b._M_data; }
1662 template <
typename _Tp,
size_t _Np>
1663 _GLIBCXX_SIMD_NORMAL_MATH _GLIBCXX_SIMD_INTRINSIC
static constexpr
1664 pair<_SimdWrapper<_Tp, _Np>, _SimdWrapper<_Tp, _Np>>
1665 _S_minmax(_SimdWrapper<_Tp, _Np> __a, _SimdWrapper<_Tp, _Np> __b)
1667 return {__a._M_data < __b._M_data ? __a._M_data : __b._M_data,
1668 __a._M_data < __b._M_data ? __b._M_data : __a._M_data};
1672 template <
size_t _Np,
size_t... _Is,
size_t... _Zeros,
typename _Tp,
1673 typename _BinaryOperation>
1674 _GLIBCXX_SIMD_INTRINSIC
static constexpr _Tp
1675 _S_reduce_partial(index_sequence<_Is...>, index_sequence<_Zeros...>,
1676 simd<_Tp, _Abi> __x, _BinaryOperation&& __binary_op)
1678 using _V = __vector_type_t<_Tp, _Np / 2>;
1679 static_assert(
sizeof(_V) <=
sizeof(__x));
1682 using _FullSimd = __deduced_simd<_Tp, _VectorTraits<_V>::_S_full_size>;
1683 using _HalfSimd = __deduced_simd<_Tp, _Np / 2>;
1684 const auto __xx = __as_vector(__x);
1685 return _HalfSimd::abi_type::_SimdImpl::_S_reduce(
1686 static_cast<_HalfSimd
>(__as_vector(__binary_op(
1687 static_cast<_FullSimd
>(__intrin_bitcast<_V>(__xx)),
1688 static_cast<_FullSimd
>(__intrin_bitcast<_V>(
1689 __vector_permute<(_Np / 2 + _Is)..., (
int(_Zeros * 0) - 1)...>(
1694 template <
typename _Tp,
typename _BinaryOperation>
1695 _GLIBCXX_SIMD_INTRINSIC
static constexpr _Tp
1696 _S_reduce(simd<_Tp, _Abi> __x, _BinaryOperation&& __binary_op)
1698 constexpr size_t _Np = simd_size_v<_Tp, _Abi>;
1699 if constexpr (_Np == 1)
1701 else if constexpr (_Np == 2)
1702 return __binary_op(simd<_Tp, simd_abi::scalar>(__x[0]),
1703 simd<_Tp, simd_abi::scalar>(__x[1]))[0];
1704 else if (__builtin_is_constant_evaluated())
1706 simd<_Tp, simd_abi::scalar> __acc = __x[0];
1707 for (
size_t __i = 1; __i < _Np; ++__i)
1708 __acc = __binary_op(__acc, simd<_Tp, simd_abi::scalar>(__x[__i]));
1711 else if constexpr (_Abi::template _S_is_partial<_Tp>)
1713 [[maybe_unused]]
constexpr auto __full_size
1714 = _Abi::template _S_full_size<_Tp>;
1715 if constexpr (_Np == 3)
1717 __binary_op(simd<_Tp, simd_abi::scalar>(__x[0]),
1718 simd<_Tp, simd_abi::scalar>(__x[1])),
1719 simd<_Tp, simd_abi::scalar>(__x[2]))[0];
1720 else if constexpr (is_same_v<__remove_cvref_t<_BinaryOperation>,
1723 using _Ap = simd_abi::__no_sve_deduce_t<_Tp, __full_size>;
1724 return _Ap::_SimdImpl::_S_reduce(
1725 simd<_Tp, _Ap>(__private_init,
1726 _Abi::_S_masked(__as_vector(__x))),
1729 else if constexpr (is_same_v<__remove_cvref_t<_BinaryOperation>,
1732 using _Ap = simd_abi::__no_sve_deduce_t<_Tp, __full_size>;
1733 using _TW = _SimdWrapper<_Tp, __full_size>;
1734 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __implicit_mask_full
1735 = _Abi::template _S_implicit_mask<_Tp>().__as_full_vector();
1736 _GLIBCXX_SIMD_USE_CONSTEXPR _TW __one
1737 = __vector_broadcast<__full_size>(_Tp(1));
1738 const _TW __x_full = __data(__x).__as_full_vector();
1739 const _TW __x_padded_with_ones
1740 = _Ap::_CommonImpl::_S_blend(__implicit_mask_full, __one,
1742 return _Ap::_SimdImpl::_S_reduce(
1743 simd<_Tp, _Ap>(__private_init, __x_padded_with_ones),
1746 else if constexpr (_Np & 1)
1748 using _Ap = simd_abi::__no_sve_deduce_t<_Tp, _Np - 1>;
1750 simd<_Tp, simd_abi::scalar>(_Ap::_SimdImpl::_S_reduce(
1752 __intrin_bitcast<__vector_type_t<_Tp, _Np - 1>>(
1755 simd<_Tp, simd_abi::scalar>(__x[_Np - 1]))[0];
1758 return _S_reduce_partial<_Np>(
1759 make_index_sequence<_Np / 2>(),
1760 make_index_sequence<__full_size - _Np / 2>(), __x, __binary_op);
1762 else if constexpr (
sizeof(__x) == 16)
1764 if constexpr (_Np == 16)
1766 const auto __y = __data(__x);
1768 _M_make_simd<_Tp, _Np>(
1769 __vector_permute<0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
1771 _M_make_simd<_Tp, _Np>(
1772 __vector_permute<8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13,
1773 14, 14, 15, 15>(__y)));
1775 if constexpr (_Np >= 8)
1777 const auto __y = __vector_bitcast<short>(__data(__x));
1779 _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1780 __vector_permute<0, 0, 1, 1, 2, 2, 3, 3>(__y))),
1781 _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1782 __vector_permute<4, 4, 5, 5, 6, 6, 7, 7>(__y))));
1784 if constexpr (_Np >= 4)
1786 using _Up = conditional_t<is_floating_point_v<_Tp>, float,
int>;
1787 const auto __y = __vector_bitcast<_Up>(__data(__x));
1788 __x = __binary_op(__x,
1789 _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1790 __vector_permute<3, 2, 1, 0>(__y))));
1792 using _Up = conditional_t<is_floating_point_v<_Tp>, double, _LLong>;
1793 const auto __y = __vector_bitcast<_Up>(__data(__x));
1794 __x = __binary_op(__x, _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1795 __vector_permute<1, 1>(__y))));
1800 static_assert(
sizeof(__x) > __min_vector_size<_Tp>);
1801 static_assert((_Np & (_Np - 1)) == 0);
1802 using _Ap = simd_abi::__no_sve_deduce_t<_Tp, _Np / 2>;
1803 using _V = simd<_Tp, _Ap>;
1804 return _Ap::_SimdImpl::_S_reduce(
1805 __binary_op(_V(__private_init, __extract<0, 2>(__as_vector(__x))),
1807 __extract<1, 2>(__as_vector(__x)))),
1808 static_cast<_BinaryOperation&&
>(__binary_op));
1814#define _GLIBCXX_SIMD_MATH_FALLBACK(__name) \
1815 template <typename _Tp, typename... _More> \
1817 _S_##__name(const _Tp& __x, const _More&... __more) \
1819 return __generate_vector<_Tp>( \
1820 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1821 return __name(__x[__i], __more[__i]...); \
1825#define _GLIBCXX_SIMD_MATH_FALLBACK_MASKRET(__name) \
1826 template <typename _Tp, typename... _More> \
1827 static typename _Tp::mask_type \
1828 _S_##__name(const _Tp& __x, const _More&... __more) \
1830 return __generate_vector<_Tp>( \
1831 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1832 return __name(__x[__i], __more[__i]...); \
1836#define _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(_RetTp, __name) \
1837 template <typename _Tp, typename... _More> \
1839 _S_##__name(const _Tp& __x, const _More&... __more) \
1841 return __fixed_size_storage_t<_RetTp, \
1842 _VectorTraits<_Tp>::_S_partial_width>:: \
1843 _S_generate([&](auto __meta) constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1844 return __meta._S_generator( \
1845 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1846 return __name(__x[__meta._S_offset + __i], \
1847 __more[__meta._S_offset + __i]...); \
1849 static_cast<_RetTp*>(nullptr)); \
1853 _GLIBCXX_SIMD_MATH_FALLBACK(acos)
1854 _GLIBCXX_SIMD_MATH_FALLBACK(asin)
1855 _GLIBCXX_SIMD_MATH_FALLBACK(atan)
1856 _GLIBCXX_SIMD_MATH_FALLBACK(atan2)
1857 _GLIBCXX_SIMD_MATH_FALLBACK(cos)
1858 _GLIBCXX_SIMD_MATH_FALLBACK(sin)
1859 _GLIBCXX_SIMD_MATH_FALLBACK(tan)
1860 _GLIBCXX_SIMD_MATH_FALLBACK(acosh)
1861 _GLIBCXX_SIMD_MATH_FALLBACK(asinh)
1862 _GLIBCXX_SIMD_MATH_FALLBACK(atanh)
1863 _GLIBCXX_SIMD_MATH_FALLBACK(cosh)
1864 _GLIBCXX_SIMD_MATH_FALLBACK(sinh)
1865 _GLIBCXX_SIMD_MATH_FALLBACK(tanh)
1866 _GLIBCXX_SIMD_MATH_FALLBACK(exp)
1867 _GLIBCXX_SIMD_MATH_FALLBACK(exp2)
1868 _GLIBCXX_SIMD_MATH_FALLBACK(expm1)
1869 _GLIBCXX_SIMD_MATH_FALLBACK(ldexp)
1870 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
int, ilogb)
1871 _GLIBCXX_SIMD_MATH_FALLBACK(log)
1872 _GLIBCXX_SIMD_MATH_FALLBACK(log10)
1873 _GLIBCXX_SIMD_MATH_FALLBACK(log1p)
1874 _GLIBCXX_SIMD_MATH_FALLBACK(log2)
1875 _GLIBCXX_SIMD_MATH_FALLBACK(logb)
1878 _GLIBCXX_SIMD_MATH_FALLBACK(scalbn)
1879 _GLIBCXX_SIMD_MATH_FALLBACK(scalbln)
1880 _GLIBCXX_SIMD_MATH_FALLBACK(cbrt)
1881 _GLIBCXX_SIMD_MATH_FALLBACK(fabs)
1882 _GLIBCXX_SIMD_MATH_FALLBACK(pow)
1883 _GLIBCXX_SIMD_MATH_FALLBACK(sqrt)
1884 _GLIBCXX_SIMD_MATH_FALLBACK(erf)
1885 _GLIBCXX_SIMD_MATH_FALLBACK(erfc)
1886 _GLIBCXX_SIMD_MATH_FALLBACK(lgamma)
1887 _GLIBCXX_SIMD_MATH_FALLBACK(tgamma)
1889 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long, lrint)
1890 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long long, llrint)
1892 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long, lround)
1893 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long long, llround)
1895 _GLIBCXX_SIMD_MATH_FALLBACK(fmod)
1896 _GLIBCXX_SIMD_MATH_FALLBACK(remainder)
1898 template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
1900 _S_remquo(
const _Tp __x,
const _Tp __y,
1901 __fixed_size_storage_t<int, _TVT::_S_partial_width>* __z)
1903 return __generate_vector<_Tp>([&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1905 auto __r = remquo(__x[__i], __y[__i], &__tmp);
1906 __z->_M_set(__i, __tmp);
1912 _GLIBCXX_SIMD_MATH_FALLBACK(nextafter)
1913 _GLIBCXX_SIMD_MATH_FALLBACK(fdim)
1914 _GLIBCXX_SIMD_MATH_FALLBACK(fmax)
1915 _GLIBCXX_SIMD_MATH_FALLBACK(fmin)
1916 _GLIBCXX_SIMD_MATH_FALLBACK(fma)
1918 template <
typename _Tp,
size_t _Np>
1919 static constexpr _MaskMember<_Tp>
1920 _S_isgreater(_SimdWrapper<_Tp, _Np> __x,
1921 _SimdWrapper<_Tp, _Np> __y)
noexcept
1923 using _Ip = __int_for_sizeof_t<_Tp>;
1924 const auto __xn = __vector_bitcast<_Ip>(__x);
1925 const auto __yn = __vector_bitcast<_Ip>(__y);
1926 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
1927 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
1928 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
1932 template <
typename _Tp,
size_t _Np>
1933 static constexpr _MaskMember<_Tp>
1934 _S_isgreaterequal(_SimdWrapper<_Tp, _Np> __x,
1935 _SimdWrapper<_Tp, _Np> __y)
noexcept
1937 using _Ip = __int_for_sizeof_t<_Tp>;
1938 const auto __xn = __vector_bitcast<_Ip>(__x);
1939 const auto __yn = __vector_bitcast<_Ip>(__y);
1940 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
1941 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
1942 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
1946 template <
typename _Tp,
size_t _Np>
1947 static constexpr _MaskMember<_Tp>
1948 _S_isless(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
noexcept
1950 using _Ip = __int_for_sizeof_t<_Tp>;
1951 const auto __xn = __vector_bitcast<_Ip>(__x);
1952 const auto __yn = __vector_bitcast<_Ip>(__y);
1953 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
1954 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
1955 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
1959 template <
typename _Tp,
size_t _Np>
1960 static constexpr _MaskMember<_Tp>
1961 _S_islessequal(_SimdWrapper<_Tp, _Np> __x,
1962 _SimdWrapper<_Tp, _Np> __y)
noexcept
1964 using _Ip = __int_for_sizeof_t<_Tp>;
1965 const auto __xn = __vector_bitcast<_Ip>(__x);
1966 const auto __yn = __vector_bitcast<_Ip>(__y);
1967 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
1968 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
1969 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
1973 template <
typename _Tp,
size_t _Np>
1974 static constexpr _MaskMember<_Tp>
1975 _S_islessgreater(_SimdWrapper<_Tp, _Np> __x,
1976 _SimdWrapper<_Tp, _Np> __y)
noexcept
1978 return __andnot(_SuperImpl::_S_isunordered(__x, __y),
1979 _SuperImpl::_S_not_equal_to(__x, __y));
1982#undef _GLIBCXX_SIMD_MATH_FALLBACK
1983#undef _GLIBCXX_SIMD_MATH_FALLBACK_MASKRET
1984#undef _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET
1986 template <
typename _Tp,
size_t _Np>
1987 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
1988 _S_abs(_SimdWrapper<_Tp, _Np> __x)
noexcept
1994 if constexpr (is_floating_point_v<_Tp>)
1999 return __and(_S_absmask<__vector_type_t<_Tp, _Np>>, __x._M_data);
2001 return __x._M_data < 0 ? -__x._M_data : __x._M_data;
2009 template <
typename _TV,
typename _UV>
2010 _GLIBCXX_SIMD_INTRINSIC
static constexpr _TV
2011 _S_plus_minus(_TV __x, _UV __y)
noexcept
2013#if defined __i386__ && !defined __SSE_MATH__
2014 if constexpr (
sizeof(__x) == 8)
2016 static_assert(is_same_v<_TV, __vector_type_t<float, 2>>);
2017 const auto __x4 = __vector_bitcast<float, 4>(__x);
2018 if constexpr (is_same_v<_TV, _UV>)
2019 return __vector_bitcast<float, 2>(
2020 _S_plus_minus(__x4, __vector_bitcast<float, 4>(__y)));
2022 return __vector_bitcast<float, 2>(_S_plus_minus(__x4, __y));
2025#if !defined __clang__ && __GCC_IEC_559 == 0
2026 if (__builtin_is_constant_evaluated()
2027 || (__builtin_constant_p(__x) && __builtin_constant_p(__y)))
2028 return (__x + __y) - __y;
2032 if constexpr(__have_sse)
2034 if constexpr (
sizeof(__x) >= 16)
2035 asm(
"" :
"+x"(__x));
2036 else if constexpr (is_same_v<__vector_type_t<float, 2>, _TV>)
2037 asm(
"" :
"+x"(__x[0]),
"+x"(__x[1]));
2039 __assert_unreachable<_TV>();
2041 else if constexpr(__have_neon)
2042 asm(
"" :
"+w"(__x));
2043 else if constexpr (__have_power_vmx)
2045 if constexpr (is_same_v<__vector_type_t<float, 2>, _TV>)
2046 asm(
"" :
"+fgr"(__x[0]),
"+fgr"(__x[1]));
2048 asm(
"" :
"+v"(__x));
2051 asm(
"" :
"+g"(__x));
2055 return (__x + __y) - __y;
2061 template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2062 _GLIBCXX_SIMD_INTRINSIC
static _Tp
2063 _S_nearbyint(_Tp __x_)
noexcept
2065 using value_type =
typename _TVT::value_type;
2066 using _V =
typename _TVT::type;
2067 const _V __x = __x_;
2068 const _V __absx = __and(__x, _S_absmask<_V>);
2069 static_assert(__CHAR_BIT__ *
sizeof(1ull) >= __digits_v<value_type>);
2070 _GLIBCXX_SIMD_USE_CONSTEXPR _V __shifter_abs
2071 = _V() + (1ull << (__digits_v<value_type> - 1));
2072 const _V __shifter = __or(__and(_S_signmask<_V>, __x), __shifter_abs);
2073 const _V __shifted = _S_plus_minus(__x, __shifter);
2074 return __absx < __shifter_abs ? __shifted : __x;
2078 template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2079 _GLIBCXX_SIMD_INTRINSIC
static _Tp
2080 _S_rint(_Tp __x)
noexcept
2081 {
return _SuperImpl::_S_nearbyint(__x); }
2084 template <
typename _Tp,
size_t _Np>
2085 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2086 _S_trunc(_SimdWrapper<_Tp, _Np> __x)
2088 using _V = __vector_type_t<_Tp, _Np>;
2089 const _V __absx = __and(__x._M_data, _S_absmask<_V>);
2090 static_assert(__CHAR_BIT__ *
sizeof(1ull) >= __digits_v<_Tp>);
2091 constexpr _Tp __shifter = 1ull << (__digits_v<_Tp> - 1);
2092 _V __truncated = _S_plus_minus(__absx, __shifter);
2093 __truncated -= __truncated > __absx ? _V() + 1 : _V();
2094 return __absx < __shifter ? __or(__xor(__absx, __x._M_data), __truncated)
2099 template <
typename _Tp,
size_t _Np>
2100 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2101 _S_round(_SimdWrapper<_Tp, _Np> __x)
2103 const auto __abs_x = _SuperImpl::_S_abs(__x);
2104 const auto __t_abs = _SuperImpl::_S_trunc(__abs_x)._M_data;
2106 = __t_abs + (__abs_x._M_data - __t_abs >= _Tp(.5) ? _Tp(1) : 0);
2107 return __or(__xor(__abs_x._M_data, __x._M_data), __r_abs);
2111 template <
typename _Tp,
size_t _Np>
2112 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2113 _S_floor(_SimdWrapper<_Tp, _Np> __x)
2115 const auto __y = _SuperImpl::_S_trunc(__x)._M_data;
2116 const auto __negative_input
2117 = __vector_bitcast<_Tp>(__x._M_data < __vector_broadcast<_Np, _Tp>(0));
2119 = __andnot(__vector_bitcast<_Tp>(__y == __x._M_data), __negative_input);
2120 return __or(__andnot(__mask, __y),
2121 __and(__mask, __y - __vector_broadcast<_Np, _Tp>(1)));
2125 template <
typename _Tp,
size_t _Np>
2126 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2127 _S_ceil(_SimdWrapper<_Tp, _Np> __x)
2129 const auto __y = _SuperImpl::_S_trunc(__x)._M_data;
2130 const auto __negative_input
2131 = __vector_bitcast<_Tp>(__x._M_data < __vector_broadcast<_Np, _Tp>(0));
2132 const auto __inv_mask
2133 = __or(__vector_bitcast<_Tp>(__y == __x._M_data), __negative_input);
2134 return __or(__and(__inv_mask, __y),
2135 __andnot(__inv_mask, __y + __vector_broadcast<_Np, _Tp>(1)));
2139 template <
typename _Tp,
size_t _Np>
2140 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2141 _S_isnan([[maybe_unused]] _SimdWrapper<_Tp, _Np> __x)
2143#if __FINITE_MATH_ONLY__
2145#elif !defined __SUPPORT_SNAN__
2146 return ~(__x._M_data == __x._M_data);
2147#elif defined __STDC_IEC_559__
2148 using _Ip = __int_for_sizeof_t<_Tp>;
2149 const auto __absn = __vector_bitcast<_Ip>(_SuperImpl::_S_abs(__x));
2151 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__infinity_v<_Tp>));
2152 return __infn < __absn;
2154#error "Not implemented: how to support SNaN but non-IEC559 floating-point?"
2159 template <
typename _Tp,
size_t _Np>
2160 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2161 _S_isfinite([[maybe_unused]] _SimdWrapper<_Tp, _Np> __x)
2163#if __FINITE_MATH_ONLY__
2164 using _UV =
typename _MaskMember<_Tp>::_BuiltinType;
2165 _GLIBCXX_SIMD_USE_CONSTEXPR _UV __alltrue = ~_UV();
2169 using _Ip = __int_for_sizeof_t<_Tp>;
2170 const auto __absn = __vector_bitcast<_Ip>(_SuperImpl::_S_abs(__x));
2172 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__finite_max_v<_Tp>));
2173 return __absn <= __maxn;
2178 template <
typename _Tp,
size_t _Np>
2179 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2180 _S_isunordered(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
2181 {
return __or(_S_isnan(__x), _S_isnan(__y)); }
2184 template <
typename _Tp,
size_t _Np>
2185 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2186 _S_signbit(_SimdWrapper<_Tp, _Np> __x)
2188 using _Ip = __int_for_sizeof_t<_Tp>;
2189 return __vector_bitcast<_Ip>(__x) < 0;
2196 template <
typename _Tp,
size_t _Np>
2197 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2198 _S_isinf([[maybe_unused]] _SimdWrapper<_Tp, _Np> __x)
2200#if __FINITE_MATH_ONLY__
2203 return _SuperImpl::template _S_equal_to<_Tp, _Np>(_SuperImpl::_S_abs(__x),
2204 __vector_broadcast<_Np>(
2205 __infinity_v<_Tp>));
2220 template <
typename _Tp,
size_t _Np>
2221 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2222 _S_isnormal(_SimdWrapper<_Tp, _Np> __x)
2224 using _Ip = __int_for_sizeof_t<_Tp>;
2225 const auto __absn = __vector_bitcast<_Ip>(_SuperImpl::_S_abs(__x));
2227 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__norm_min_v<_Tp>));
2228#if __FINITE_MATH_ONLY__
2229 return __absn >= __minn;
2232 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__finite_max_v<_Tp>));
2233 return __minn <= __absn && __absn <= __maxn;
2238 template <
typename _Tp,
size_t _Np>
2239 _GLIBCXX_SIMD_INTRINSIC
static __fixed_size_storage_t<int, _Np>
2240 _S_fpclassify(_SimdWrapper<_Tp, _Np> __x)
2242 if constexpr(__have_sve)
2244 __fixed_size_storage_t<int, _Np> __r{};
2245 __execute_n_times<_Np>(
2246 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2247 __r._M_set(__i, std::fpclassify(__x[__i]));
2253 using _I = __int_for_sizeof_t<_Tp>;
2255 = __vector_bitcast<_I>(__to_intrin(_SuperImpl::_S_abs(__x)));
2256 constexpr size_t _NI =
sizeof(__xn) /
sizeof(_I);
2257 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __minn
2258 = __vector_bitcast<_I>(__vector_broadcast<_NI>(__norm_min_v<_Tp>));
2260 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_normal
2261 = __vector_broadcast<_NI, _I>(FP_NORMAL);
2262#if !__FINITE_MATH_ONLY__
2263 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __infn
2264 = __vector_bitcast<_I>(__vector_broadcast<_NI>(__infinity_v<_Tp>));
2265 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_nan
2266 = __vector_broadcast<_NI, _I>(FP_NAN);
2267 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_infinite
2268 = __vector_broadcast<_NI, _I>(FP_INFINITE);
2270#ifndef __FAST_MATH__
2271 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_subnormal
2272 = __vector_broadcast<_NI, _I>(FP_SUBNORMAL);
2274 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_zero
2275 = __vector_broadcast<_NI, _I>(FP_ZERO);
2277 __vector_type_t<_I, _NI>
2278 __tmp = __xn < __minn
2282 ? (__xn == 0 ? __fp_zero : __fp_subnormal)
2284#
if __FINITE_MATH_ONLY__
2287 : (__xn < __infn ? __fp_normal
2288 : (__xn == __infn ? __fp_infinite : __fp_nan));
2291 if constexpr (
sizeof(_I) ==
sizeof(int))
2293 using _FixedInt = __fixed_size_storage_t<int, _Np>;
2294 const auto __as_int = __vector_bitcast<int, _Np>(__tmp);
2295 if constexpr (_FixedInt::_S_tuple_size == 1)
2297 else if constexpr (_FixedInt::_S_tuple_size == 2
2299 typename _FixedInt::_SecondType::_FirstAbi,
2301 return {__extract<0, 2>(__as_int), __as_int[_Np - 1]};
2302 else if constexpr (_FixedInt::_S_tuple_size == 2)
2303 return {__extract<0, 2>(__as_int),
2304 __auto_bitcast(__extract<1, 2>(__as_int))};
2306 __assert_unreachable<_Tp>();
2308 else if constexpr (_Np == 2 &&
sizeof(_I) == 8
2309 && __fixed_size_storage_t<int, _Np>::_S_tuple_size == 2)
2311 const auto __aslong = __vector_bitcast<_LLong>(__tmp);
2312 return {int(__aslong[0]), {int(__aslong[1])}};
2314#if _GLIBCXX_SIMD_X86INTRIN
2315 else if constexpr (
sizeof(_Tp) == 8 &&
sizeof(__tmp) == 32
2316 && __fixed_size_storage_t<int, _Np>::_S_tuple_size == 1)
2317 return {_mm_packs_epi32(__to_intrin(__lo128(__tmp)),
2318 __to_intrin(__hi128(__tmp)))};
2319 else if constexpr (
sizeof(_Tp) == 8 &&
sizeof(__tmp) == 64
2320 && __fixed_size_storage_t<int, _Np>::_S_tuple_size == 1)
2321 return {_mm512_cvtepi64_epi32(__to_intrin(__tmp))};
2323 else if constexpr (__fixed_size_storage_t<int, _Np>::_S_tuple_size == 1)
2324 return {__call_with_subscripts<_Np>(__vector_bitcast<_LLong>(__tmp),
2325 [](
auto... __l) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2326 return __make_wrapper<int>(__l...);
2329 __assert_unreachable<_Tp>();
2334 template <
typename _Tp,
size_t _Np>
2335 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2336 _S_increment(_SimdWrapper<_Tp, _Np>& __x)
2337 { __x = __x._M_data + 1; }
2339 template <
typename _Tp,
size_t _Np>
2340 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2341 _S_decrement(_SimdWrapper<_Tp, _Np>& __x)
2342 { __x = __x._M_data - 1; }
2345 template <
typename _Tp,
size_t _Np,
typename _Up>
2346 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2347 _S_set(_SimdWrapper<_Tp, _Np>& __v,
int __i, _Up&& __x)
noexcept
2348 { __v._M_set(__i,
static_cast<_Up&&
>(__x)); }
2351 template <
typename _Tp,
typename _K,
size_t _Np>
2352 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2353 _S_masked_assign(_SimdWrapper<_K, _Np> __k, _SimdWrapper<_Tp, _Np>& __lhs,
2354 __type_identity_t<_SimdWrapper<_Tp, _Np>> __rhs)
2356 if (__k._M_is_constprop_none_of())
2358 else if (__k._M_is_constprop_all_of())
2361 __lhs = _CommonImpl::_S_blend(__k, __lhs, __rhs);
2364 template <
typename _Tp,
typename _K,
size_t _Np>
2365 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2366 _S_masked_assign(_SimdWrapper<_K, _Np> __k, _SimdWrapper<_Tp, _Np>& __lhs,
2367 __type_identity_t<_Tp> __rhs)
2369 if (__k._M_is_constprop_none_of())
2371 else if (__k._M_is_constprop_all_of())
2372 __lhs = __vector_broadcast<_Np>(__rhs);
2373 else if (__builtin_constant_p(__rhs) && __rhs == 0)
2375 if constexpr (!is_same_v<bool, _K>)
2379 = __andnot(__vector_bitcast<_Tp>(__k), __lhs._M_data);
2383 = _CommonImpl::_S_blend(__k, __lhs, _SimdWrapper<_Tp, _Np>());
2386 __lhs = _CommonImpl::_S_blend(__k, __lhs,
2387 _SimdWrapper<_Tp, _Np>(
2388 __vector_broadcast<_Np>(__rhs)));
2392 template <
typename _Op,
typename _Tp,
typename _K,
size_t _Np>
2393 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2394 _S_masked_cassign(
const _SimdWrapper<_K, _Np> __k,
2395 _SimdWrapper<_Tp, _Np>& __lhs,
2396 const __type_identity_t<_SimdWrapper<_Tp, _Np>> __rhs,
2399 if (__k._M_is_constprop_none_of())
2401 else if (__k._M_is_constprop_all_of())
2402 __lhs = __op(_SuperImpl{}, __lhs, __rhs);
2404 __lhs = _CommonImpl::_S_blend(__k, __lhs,
2405 __op(_SuperImpl{}, __lhs, __rhs));
2408 template <
typename _Op,
typename _Tp,
typename _K,
size_t _Np>
2409 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2410 _S_masked_cassign(
const _SimdWrapper<_K, _Np> __k,
2411 _SimdWrapper<_Tp, _Np>& __lhs,
2412 const __type_identity_t<_Tp> __rhs, _Op __op)
2413 { _S_masked_cassign(__k, __lhs, __vector_broadcast<_Np>(__rhs), __op); }
2416 template <
template <
typename>
class _Op,
typename _Tp,
typename _K,
2418 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2419 _S_masked_unary(
const _SimdWrapper<_K, _Np> __k,
2420 const _SimdWrapper<_Tp, _Np> __v)
2422 if (__k._M_is_constprop_none_of())
2424 auto __vv = _M_make_simd(__v);
2425 _Op<
decltype(__vv)> __op;
2426 if (__k._M_is_constprop_all_of())
2427 return __data(__op(__vv));
2428 else if constexpr (is_same_v<_Op<void>, __increment<void>>)
2430 static_assert(not std::is_same_v<_K, bool>);
2431 if constexpr (is_integral_v<_Tp>)
2433 return __v._M_data - __vector_bitcast<_Tp>(__k._M_data);
2434 else if constexpr (not __have_avx2)
2436 + __vector_bitcast<_Tp>(__k._M_data & __builtin_bit_cast(
2440 else if constexpr (is_same_v<_Op<void>, __decrement<void>>)
2442 static_assert(not std::is_same_v<_K, bool>);
2443 if constexpr (is_integral_v<_Tp>)
2445 return __v._M_data + __vector_bitcast<_Tp>(__k._M_data);
2446 else if constexpr (not __have_avx2)
2448 - __vector_bitcast<_Tp>(__k._M_data & __builtin_bit_cast(
2452 return _CommonImpl::_S_blend(__k, __v, __data(__op(__vv)));
2459struct _MaskImplBuiltinMixin
2461 template <
typename _Tp>
2462 using _TypeTag = _Tp*;
2465 template <
typename _Up,
size_t _ToN = 1>
2466 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Up, _ToN>
2467 _S_to_maskvector(
bool __x)
2469 static_assert(is_same_v<_Up, __int_for_sizeof_t<_Up>>);
2470 return __x ? __vector_type_t<_Up, _ToN>{~_Up()}
2471 : __vector_type_t<_Up, _ToN>{};
2474 template <
typename _Up,
size_t _UpN = 0,
size_t _Np,
bool _Sanitized,
2475 size_t _ToN = _UpN == 0 ? _Np : _UpN>
2476 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Up, _ToN>
2477 _S_to_maskvector(_BitMask<_Np, _Sanitized> __x)
2479 static_assert(is_same_v<_Up, __int_for_sizeof_t<_Up>>);
2480 return __generate_vector<__vector_type_t<_Up, _ToN>>(
2481 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2482 if constexpr (__i < _Np)
2483 return __x[__i] ? ~_Up() : _Up();
2489 template <
typename _Up,
size_t _UpN = 0,
typename _Tp,
size_t _Np,
2490 size_t _ToN = _UpN == 0 ? _Np : _UpN>
2491 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Up, _ToN>
2492 _S_to_maskvector(_SimdWrapper<_Tp, _Np> __x)
2494 static_assert(is_same_v<_Up, __int_for_sizeof_t<_Up>>);
2495 using _TW = _SimdWrapper<_Tp, _Np>;
2496 using _UW = _SimdWrapper<_Up, _ToN>;
2497 if constexpr (
sizeof(_Up) ==
sizeof(_Tp) &&
sizeof(_TW) ==
sizeof(_UW))
2498 return __wrapper_bitcast<_Up, _ToN>(__x);
2499 else if constexpr (is_same_v<_Tp, bool>)
2500 return _S_to_maskvector<_Up, _ToN>(_BitMask<_Np>(__x._M_data));
2527 return __generate_vector<__vector_type_t<_Up, _ToN>>(
2528 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2529 if constexpr (__i < _Np)
2530 return _Up(__x[__i.value]);
2540 template <
typename _Tp,
size_t _Np>
2541 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SanitizedBitMask<_Np>
2542 _S_to_bits(_SimdWrapper<_Tp, _Np> __x)
2544 static_assert(!is_same_v<_Tp, bool>);
2545 static_assert(_Np <= __CHAR_BIT__ *
sizeof(_ULLong));
2546 using _Up = make_unsigned_t<__int_for_sizeof_t<_Tp>>;
2548 = __vector_bitcast<_Up>(__x) >> (
sizeof(_Up) * __CHAR_BIT__ - 1);
2550 __execute_n_times<_Np>(
2551 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2552 __r |= _ULLong(__bools[__i.value]) << __i;
2561template <
typename _Abi,
typename>
2562 struct _MaskImplBuiltin : _MaskImplBuiltinMixin
2564 using _MaskImplBuiltinMixin::_S_to_bits;
2565 using _MaskImplBuiltinMixin::_S_to_maskvector;
2568 template <
typename _Tp>
2569 using _SimdMember =
typename _Abi::template __traits<_Tp>::_SimdMember;
2571 template <
typename _Tp>
2572 using _MaskMember =
typename _Abi::template _MaskMember<_Tp>;
2574 using _SuperImpl =
typename _Abi::_MaskImpl;
2575 using _CommonImpl =
typename _Abi::_CommonImpl;
2577 template <
typename _Tp>
2578 static constexpr size_t _S_size = simd_size_v<_Tp, _Abi>;
2582 template <
typename _Tp>
2583 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
2584 _S_broadcast(
bool __x)
2585 {
return __x ? _Abi::template _S_implicit_mask<_Tp>() : _MaskMember<_Tp>(); }
2589 template <
typename _Tp>
2590 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
2591 _S_load(
const bool* __mem)
2593 using _I = __int_for_sizeof_t<_Tp>;
2594 if (not __builtin_is_constant_evaluated())
2595 if constexpr (
sizeof(_Tp) ==
sizeof(bool))
2598 = _CommonImpl::template _S_load<_I, _S_size<_Tp>>(__mem);
2602 return __generate_vector<_I, _S_size<_Tp>>(
2603 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2604 return __mem[__i] ? ~_I() : _I();
2610 template <
typename _Tp,
size_t _Np,
bool _Sanitized>
2611 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2612 _S_convert(_BitMask<_Np, _Sanitized> __x)
2614 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2615 return _SimdWrapper<
bool, simd_size_v<_Tp, _Abi>>(__x._M_to_bits());
2617 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2619 __x._M_sanitized());
2622 template <
typename _Tp,
size_t _Np>
2623 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2624 _S_convert(_SimdWrapper<bool, _Np> __x)
2626 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2627 return _SimdWrapper<
bool, simd_size_v<_Tp, _Abi>>(__x._M_data);
2629 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2631 _BitMask<_Np>(__x._M_data)._M_sanitized());
2634 template <
typename _Tp,
typename _Up,
size_t _Np>
2635 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2636 _S_convert(_SimdWrapper<_Up, _Np> __x)
2638 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2639 return _SimdWrapper<
bool, simd_size_v<_Tp, _Abi>>(
2640 _SuperImpl::_S_to_bits(__x));
2642 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2646 template <
typename _Tp,
typename _Up,
typename _UAbi>
2647 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2648 _S_convert(simd_mask<_Up, _UAbi> __x)
2650 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2652 using _R = _SimdWrapper<bool, simd_size_v<_Tp, _Abi>>;
2653 if constexpr (__is_builtin_bitmask_abi<_UAbi>())
2654 return _R(__data(__x));
2655 else if constexpr (__is_scalar_abi<_UAbi>())
2656 return _R(__data(__x));
2657 else if constexpr (__is_fixed_size_abi_v<_UAbi>)
2658 return _R(__data(__x)._M_to_bits());
2660 return _R(_UAbi::_MaskImpl::_S_to_bits(__data(__x))._M_to_bits());
2664 if constexpr(__is_sve_abi<_UAbi>())
2666 simd_mask<_Tp> __r(
false);
2667 constexpr size_t __min_size =
std::min(__r.size(), __x.size());
2668 __execute_n_times<__min_size>(
2669 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2670 __r[__i] = __x[__i];
2675 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2682 template <
typename _Tp,
size_t _Np>
2683 static inline _SimdWrapper<_Tp, _Np>
2684 _S_masked_load(_SimdWrapper<_Tp, _Np> __merge,
2685 _SimdWrapper<_Tp, _Np> __mask,
const bool* __mem)
noexcept
2688 auto __tmp = __wrapper_bitcast<__int_for_sizeof_t<_Tp>>(__merge);
2689 _BitOps::_S_bit_iteration(_SuperImpl::_S_to_bits(__mask),
2690 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2691 __tmp._M_set(__i, -__mem[__i]);
2693 __merge = __wrapper_bitcast<_Tp>(__tmp);
2698 template <
typename _Tp,
size_t _Np>
2699 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
2700 _S_store(_SimdWrapper<_Tp, _Np> __v,
bool* __mem)
noexcept
2702 __execute_n_times<_Np>([&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2703 __mem[__i] = __v[__i];
2708 template <
typename _Tp,
size_t _Np>
2710 _S_masked_store(
const _SimdWrapper<_Tp, _Np> __v,
bool* __mem,
2711 const _SimdWrapper<_Tp, _Np> __k)
noexcept
2713 _BitOps::_S_bit_iteration(_SuperImpl::_S_to_bits(__k),
2714 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2715 __mem[__i] = __v[__i];
2720 template <
size_t _Np,
typename _Tp>
2721 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2722 _S_from_bitmask(_SanitizedBitMask<_Np> __bits, _TypeTag<_Tp>)
2723 {
return _SuperImpl::template _S_to_maskvector<_Tp, _S_size<_Tp>>(__bits); }
2726 template <
typename _Tp,
size_t _Np>
2727 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2728 _S_logical_and(
const _SimdWrapper<_Tp, _Np>& __x,
const _SimdWrapper<_Tp, _Np>& __y)
2729 {
return __and(__x._M_data, __y._M_data); }
2731 template <
typename _Tp,
size_t _Np>
2732 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2733 _S_logical_or(
const _SimdWrapper<_Tp, _Np>& __x,
const _SimdWrapper<_Tp, _Np>& __y)
2734 {
return __or(__x._M_data, __y._M_data); }
2736 template <
typename _Tp,
size_t _Np>
2737 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2738 _S_bit_not(
const _SimdWrapper<_Tp, _Np>& __x)
2740 if constexpr (_Abi::template _S_is_partial<_Tp>)
2741 return __andnot(__x, __wrapper_bitcast<_Tp>(
2742 _Abi::template _S_implicit_mask<_Tp>()));
2744 return __not(__x._M_data);
2747 template <
typename _Tp,
size_t _Np>
2748 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2749 _S_bit_and(
const _SimdWrapper<_Tp, _Np>& __x,
const _SimdWrapper<_Tp, _Np>& __y)
2750 {
return __and(__x._M_data, __y._M_data); }
2752 template <
typename _Tp,
size_t _Np>
2753 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2754 _S_bit_or(
const _SimdWrapper<_Tp, _Np>& __x,
const _SimdWrapper<_Tp, _Np>& __y)
2755 {
return __or(__x._M_data, __y._M_data); }
2757 template <
typename _Tp,
size_t _Np>
2758 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2759 _S_bit_xor(
const _SimdWrapper<_Tp, _Np>& __x,
const _SimdWrapper<_Tp, _Np>& __y)
2760 {
return __xor(__x._M_data, __y._M_data); }
2763 template <
typename _Tp,
size_t _Np>
2764 static constexpr void
2765 _S_set(_SimdWrapper<_Tp, _Np>& __k,
int __i,
bool __x)
noexcept
2767 if constexpr (is_same_v<_Tp, bool>)
2768 __k._M_set(__i, __x);
2771 static_assert(is_same_v<_Tp, __int_for_sizeof_t<_Tp>>);
2772 if (__builtin_is_constant_evaluated())
2774 __k = __generate_from_n_evaluations<_Np,
2775 __vector_type_t<_Tp, _Np>>(
2776 [&](
auto __j) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2777 if (__i ==
static_cast<int>(__j))
2784 __k._M_data[__i] = -__x;
2789 template <
typename _Tp,
size_t _Np>
2790 _GLIBCXX_SIMD_INTRINSIC
static void
2791 _S_masked_assign(_SimdWrapper<_Tp, _Np> __k, _SimdWrapper<_Tp, _Np>& __lhs,
2792 __type_identity_t<_SimdWrapper<_Tp, _Np>> __rhs)
2793 { __lhs = _CommonImpl::_S_blend(__k, __lhs, __rhs); }
2795 template <
typename _Tp,
size_t _Np>
2796 _GLIBCXX_SIMD_INTRINSIC
static void
2797 _S_masked_assign(_SimdWrapper<_Tp, _Np> __k, _SimdWrapper<_Tp, _Np>& __lhs,
bool __rhs)
2799 if (__builtin_constant_p(__rhs))
2802 __lhs = __andnot(__k, __lhs);
2804 __lhs = __or(__k, __lhs);
2807 __lhs = _CommonImpl::_S_blend(__k, __lhs,
2808 __data(simd_mask<_Tp, _Abi>(__rhs)));
2813 template <
typename _Tp>
2814 _GLIBCXX_SIMD_INTRINSIC
static bool
2815 _S_all_of(simd_mask<_Tp, _Abi> __k)
2817 return __call_with_subscripts(
2818 __data(__k), make_index_sequence<_S_size<_Tp>>(),
2819 [](
const auto... __ent)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2820 {
return (... && !(__ent == 0)); });
2825 template <
typename _Tp>
2826 _GLIBCXX_SIMD_INTRINSIC
static bool
2827 _S_any_of(simd_mask<_Tp, _Abi> __k)
2829 return __call_with_subscripts(
2830 __data(__k), make_index_sequence<_S_size<_Tp>>(),
2831 [](
const auto... __ent)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2832 {
return (... || !(__ent == 0)); });
2837 template <
typename _Tp>
2838 _GLIBCXX_SIMD_INTRINSIC
static bool
2839 _S_none_of(simd_mask<_Tp, _Abi> __k)
2841 return __call_with_subscripts(
2842 __data(__k), make_index_sequence<_S_size<_Tp>>(),
2843 [](
const auto... __ent)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2844 {
return (... && (__ent == 0)); });
2849 template <
typename _Tp>
2850 _GLIBCXX_SIMD_INTRINSIC
static bool
2851 _S_some_of(simd_mask<_Tp, _Abi> __k)
2853 const int __n_true = _SuperImpl::_S_popcount(__k);
2854 return __n_true > 0 && __n_true < int(_S_size<_Tp>);
2859 template <
typename _Tp>
2860 _GLIBCXX_SIMD_INTRINSIC
static int
2861 _S_popcount(simd_mask<_Tp, _Abi> __k)
2863 using _I = __int_for_sizeof_t<_Tp>;
2864 if constexpr (is_default_constructible_v<simd<_I, _Abi>>)
2866 simd<_I, _Abi>(__private_init, __wrapper_bitcast<_I>(__data(__k))));
2868 return -
reduce(__bit_cast<rebind_simd_t<_I, simd<_Tp, _Abi>>>(
2869 simd<_Tp, _Abi>(__private_init, __data(__k))));
2874 template <
typename _Tp>
2875 _GLIBCXX_SIMD_INTRINSIC
static int
2876 _S_find_first_set(simd_mask<_Tp, _Abi> __k)
2877 {
return std::__countr_zero(_SuperImpl::_S_to_bits(__data(__k))._M_to_bits()); }
2881 template <
typename _Tp>
2882 _GLIBCXX_SIMD_INTRINSIC
static int
2883 _S_find_last_set(simd_mask<_Tp, _Abi> __k)
2884 {
return std::__bit_width(_SuperImpl::_S_to_bits(__data(__k))._M_to_bits()) - 1; }
2890_GLIBCXX_SIMD_END_NAMESPACE
typename conditional< _Cond, _Iftrue, _Iffalse >::type conditional_t
Alias template for conditional.
constexpr const _Tp & min(const _Tp &, const _Tp &)
This does what you think it does.
constexpr _Tp reduce(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op)
Calculate reduction of values in a range.