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);
98template <
unsigned __shift,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
99 _GLIBCXX_SIMD_INTRINSIC _Tp
100 __shift_elements_right(_Tp __v)
102 [[maybe_unused]]
const auto __iv = __to_intrin(__v);
103 static_assert(__shift <=
sizeof(_Tp));
104 if constexpr (__shift == 0)
106 else if constexpr (__shift ==
sizeof(_Tp))
108#if _GLIBCXX_SIMD_X86INTRIN
109 else if constexpr (__have_sse && __shift == 8
110 && _TVT::template _S_is<float, 4>)
111 return _mm_movehl_ps(__iv, __iv);
112 else if constexpr (__have_sse2 && __shift == 8
113 && _TVT::template _S_is<double, 2>)
114 return _mm_unpackhi_pd(__iv, __iv);
115 else if constexpr (__have_sse2 &&
sizeof(_Tp) == 16)
116 return reinterpret_cast<typename _TVT::type
>(
117 _mm_srli_si128(
reinterpret_cast<__m128i
>(__iv), __shift));
118 else if constexpr (__shift == 16 &&
sizeof(_Tp) == 32)
128 return __zero_extend(__hi128(__v));
130 else if constexpr (__have_avx2 &&
sizeof(_Tp) == 32 && __shift < 16)
132 const auto __vll = __vector_bitcast<_LLong>(__v);
133 return reinterpret_cast<typename _TVT::type
>(
134 _mm256_alignr_epi8(_mm256_permute2x128_si256(__vll, __vll, 0x81),
137 else if constexpr (__have_avx &&
sizeof(_Tp) == 32 && __shift < 16)
139 const auto __vll = __vector_bitcast<_LLong>(__v);
140 return reinterpret_cast<typename _TVT::type
>(
141 __concat(_mm_alignr_epi8(__hi128(__vll), __lo128(__vll), __shift),
142 _mm_srli_si128(__hi128(__vll), __shift)));
144 else if constexpr (
sizeof(_Tp) == 32 && __shift > 16)
145 return __zero_extend(__shift_elements_right<__shift - 16>(__hi128(__v)));
146 else if constexpr (
sizeof(_Tp) == 64 && __shift == 32)
147 return __zero_extend(__hi256(__v));
148 else if constexpr (__have_avx512f &&
sizeof(_Tp) == 64)
150 if constexpr (__shift >= 48)
151 return __zero_extend(
152 __shift_elements_right<__shift - 48>(__extract<3, 4>(__v)));
153 else if constexpr (__shift >= 32)
154 return __zero_extend(
155 __shift_elements_right<__shift - 32>(__hi256(__v)));
156 else if constexpr (__shift % 8 == 0)
157 return reinterpret_cast<typename _TVT::type
>(
158 _mm512_alignr_epi64(__m512i(), __intrin_bitcast<__m512i>(__v),
160 else if constexpr (__shift % 4 == 0)
161 return reinterpret_cast<typename _TVT::type
>(
162 _mm512_alignr_epi32(__m512i(), __intrin_bitcast<__m512i>(__v),
164 else if constexpr (__have_avx512bw && __shift < 16)
166 const auto __vll = __vector_bitcast<_LLong>(__v);
167 return reinterpret_cast<typename _TVT::type
>(
168 _mm512_alignr_epi8(_mm512_shuffle_i32x4(__vll, __vll, 0xf9),
171 else if constexpr (__have_avx512bw && __shift < 32)
173 const auto __vll = __vector_bitcast<_LLong>(__v);
174 return reinterpret_cast<typename _TVT::type
>(
175 _mm512_alignr_epi8(_mm512_shuffle_i32x4(__vll, __m512i(), 0xee),
176 _mm512_shuffle_i32x4(__vll, __vll, 0xf9),
180 __assert_unreachable<_Tp>();
189 constexpr int __chunksize = __shift % 8 == 0 ? 8
190 : __shift % 4 == 0 ? 4
191 : __shift % 2 == 0 ? 2
193 auto __w = __vector_bitcast<__int_with_sizeof_t<__chunksize>>(__v);
194 using _Up =
decltype(__w);
195 return __intrin_bitcast<_Tp>(
196 __call_with_n_evaluations<(
sizeof(_Tp) - __shift) / __chunksize>(
197 [](
auto... __chunks) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
198 return _Up{__chunks...};
199 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
200 return __w[__shift / __chunksize + __i];
207template <
int _Index,
int _Total,
int _Combine,
typename _Tp,
size_t _Np>
208 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_CONST
209 _SimdWrapper<_Tp, _Np / _Total * _Combine>
210 __extract_part(
const _SimdWrapper<_Tp, _Np> __x)
212 if constexpr (_Index % 2 == 0 && _Total % 2 == 0 && _Combine % 2 == 0)
213 return __extract_part<_Index / 2, _Total / 2, _Combine / 2>(__x);
216 constexpr size_t __values_per_part = _Np / _Total;
217 constexpr size_t __values_to_skip = _Index * __values_per_part;
218 constexpr size_t __return_size = __values_per_part * _Combine;
219 using _R = __vector_type_t<_Tp, __return_size>;
220 static_assert((_Index + _Combine) * __values_per_part *
sizeof(_Tp)
222 "out of bounds __extract_part");
229 if (__x._M_is_constprop())
230 return __generate_from_n_evaluations<__return_size, _R>(
231 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
232 return __x[__values_to_skip + __i];
234 if constexpr (_Index == 0 && _Total == 1)
236 else if constexpr (_Index == 0)
237 return __intrin_bitcast<_R>(__as_vector(__x));
238#if _GLIBCXX_SIMD_X86INTRIN
239 else if constexpr (
sizeof(__x) == 32
240 && __return_size *
sizeof(_Tp) <= 16)
242 constexpr size_t __bytes_to_skip = __values_to_skip *
sizeof(_Tp);
243 if constexpr (__bytes_to_skip == 16)
244 return __vector_bitcast<_Tp, __return_size>(
245 __hi128(__as_vector(__x)));
247 return __vector_bitcast<_Tp, __return_size>(
248 _mm_alignr_epi8(__hi128(__vector_bitcast<_LLong>(__x)),
249 __lo128(__vector_bitcast<_LLong>(__x)),
253 else if constexpr (_Index > 0
254 && (__values_to_skip % __return_size != 0
256 && (__values_to_skip + __return_size) *
sizeof(_Tp)
258 &&
sizeof(__x) >= 16)
259 return __intrin_bitcast<_R>(
260 __shift_elements_right<__values_to_skip *
sizeof(_Tp)>(
265 __builtin_memcpy(&__r,
266 reinterpret_cast<const char*
>(&__x)
267 +
sizeof(_Tp) * __values_to_skip,
268 __return_size *
sizeof(_Tp));
276template <
int _Index,
int _Total,
int _Combine = 1,
size_t _Np>
277 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper<bool, _Np / _Total * _Combine>
278 __extract_part(
const _SimdWrapper<bool, _Np> __x)
280 static_assert(_Combine == 1,
"_Combine != 1 not implemented");
281 static_assert(__have_avx512f && _Np == _Np);
282 static_assert(_Total >= 2 && _Index + _Combine <= _Total && _Index >= 0);
283 return __x._M_data >> (_Index * _Np / _Total);
290template <
typename _To,
typename _From,
size_t... _I>
291 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
292 __vector_convert(_From __a, index_sequence<_I...>)
294 using _Tp =
typename _VectorTraits<_To>::value_type;
295 return _To{
static_cast<_Tp
>(__a[_I])...};
298template <
typename _To,
typename _From,
size_t... _I>
299 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
300 __vector_convert(_From __a, _From __b, index_sequence<_I...>)
302 using _Tp =
typename _VectorTraits<_To>::value_type;
303 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...};
306template <
typename _To,
typename _From,
size_t... _I>
307 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
308 __vector_convert(_From __a, _From __b, _From __c, index_sequence<_I...>)
310 using _Tp =
typename _VectorTraits<_To>::value_type;
311 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
312 static_cast<_Tp
>(__c[_I])...};
315template <
typename _To,
typename _From,
size_t... _I>
316 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
317 __vector_convert(_From __a, _From __b, _From __c, _From __d,
318 index_sequence<_I...>)
320 using _Tp =
typename _VectorTraits<_To>::value_type;
321 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
322 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_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 index_sequence<_I...>)
330 using _Tp =
typename _VectorTraits<_To>::value_type;
331 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
332 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
333 static_cast<_Tp
>(__e[_I])...};
336template <
typename _To,
typename _From,
size_t... _I>
337 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
338 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
339 _From __f, index_sequence<_I...>)
341 using _Tp =
typename _VectorTraits<_To>::value_type;
342 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
343 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
344 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...};
347template <
typename _To,
typename _From,
size_t... _I>
348 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
349 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
350 _From __f, _From __g, index_sequence<_I...>)
352 using _Tp =
typename _VectorTraits<_To>::value_type;
353 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
354 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
355 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
356 static_cast<_Tp
>(__g[_I])...};
359template <
typename _To,
typename _From,
size_t... _I>
360 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
361 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
362 _From __f, _From __g, _From __h, index_sequence<_I...>)
364 using _Tp =
typename _VectorTraits<_To>::value_type;
365 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
366 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
367 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
368 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...};
371template <
typename _To,
typename _From,
size_t... _I>
372 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
373 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
374 _From __f, _From __g, _From __h, _From __i,
375 index_sequence<_I...>)
377 using _Tp =
typename _VectorTraits<_To>::value_type;
378 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
379 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
380 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
381 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
382 static_cast<_Tp
>(__i[_I])...};
385template <
typename _To,
typename _From,
size_t... _I>
386 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
387 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
388 _From __f, _From __g, _From __h, _From __i, _From __j,
389 index_sequence<_I...>)
391 using _Tp =
typename _VectorTraits<_To>::value_type;
392 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
393 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
394 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
395 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
396 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...};
399template <
typename _To,
typename _From,
size_t... _I>
400 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
401 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
402 _From __f, _From __g, _From __h, _From __i, _From __j,
403 _From __k, index_sequence<_I...>)
405 using _Tp =
typename _VectorTraits<_To>::value_type;
406 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
407 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
408 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
409 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
410 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
411 static_cast<_Tp
>(__k[_I])...};
414template <
typename _To,
typename _From,
size_t... _I>
415 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
416 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
417 _From __f, _From __g, _From __h, _From __i, _From __j,
418 _From __k, _From __l, index_sequence<_I...>)
420 using _Tp =
typename _VectorTraits<_To>::value_type;
421 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
422 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
423 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
424 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
425 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
426 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...};
429template <
typename _To,
typename _From,
size_t... _I>
430 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
431 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
432 _From __f, _From __g, _From __h, _From __i, _From __j,
433 _From __k, _From __l, _From __m, index_sequence<_I...>)
435 using _Tp =
typename _VectorTraits<_To>::value_type;
436 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
437 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
438 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
439 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
440 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
441 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
442 static_cast<_Tp
>(__m[_I])...};
445template <
typename _To,
typename _From,
size_t... _I>
446 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
447 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
448 _From __f, _From __g, _From __h, _From __i, _From __j,
449 _From __k, _From __l, _From __m, _From __n,
450 index_sequence<_I...>)
452 using _Tp =
typename _VectorTraits<_To>::value_type;
453 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
454 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
455 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
456 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
457 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
458 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
459 static_cast<_Tp
>(__m[_I])...,
static_cast<_Tp
>(__n[_I])...};
462template <
typename _To,
typename _From,
size_t... _I>
463 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
464 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
465 _From __f, _From __g, _From __h, _From __i, _From __j,
466 _From __k, _From __l, _From __m, _From __n, _From __o,
467 index_sequence<_I...>)
469 using _Tp =
typename _VectorTraits<_To>::value_type;
470 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
471 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
472 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
473 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
474 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
475 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
476 static_cast<_Tp
>(__m[_I])...,
static_cast<_Tp
>(__n[_I])...,
477 static_cast<_Tp
>(__o[_I])...};
480template <
typename _To,
typename _From,
size_t... _I>
481 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
482 __vector_convert(_From __a, _From __b, _From __c, _From __d, _From __e,
483 _From __f, _From __g, _From __h, _From __i, _From __j,
484 _From __k, _From __l, _From __m, _From __n, _From __o,
485 _From __p, index_sequence<_I...>)
487 using _Tp =
typename _VectorTraits<_To>::value_type;
488 return _To{
static_cast<_Tp
>(__a[_I])...,
static_cast<_Tp
>(__b[_I])...,
489 static_cast<_Tp
>(__c[_I])...,
static_cast<_Tp
>(__d[_I])...,
490 static_cast<_Tp
>(__e[_I])...,
static_cast<_Tp
>(__f[_I])...,
491 static_cast<_Tp
>(__g[_I])...,
static_cast<_Tp
>(__h[_I])...,
492 static_cast<_Tp
>(__i[_I])...,
static_cast<_Tp
>(__j[_I])...,
493 static_cast<_Tp
>(__k[_I])...,
static_cast<_Tp
>(__l[_I])...,
494 static_cast<_Tp
>(__m[_I])...,
static_cast<_Tp
>(__n[_I])...,
495 static_cast<_Tp
>(__o[_I])...,
static_cast<_Tp
>(__p[_I])...};
501template <
typename _To,
typename... _From,
size_t _FromSize>
502 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
503 __vector_convert(_SimdWrapper<_From, _FromSize>... __xs)
505#ifdef _GLIBCXX_SIMD_WORKAROUND_PR85048
506 using _From0 = __first_of_pack_t<_From...>;
507 using _FW = _SimdWrapper<_From0, _FromSize>;
508 if (!_FW::_S_is_partial && !(... && __xs._M_is_constprop()))
510 if constexpr ((
sizeof...(_From) & (
sizeof...(_From) - 1))
512 return __convert_x86<_To>(__as_vector(__xs)...);
514 return __vector_convert<_To>(__xs..., _FW{});
518 return __vector_convert<_To>(
519 __as_vector(__xs)...,
520 make_index_sequence<(
sizeof...(__xs) == 1 ?
std::min(
521 _VectorTraits<_To>::_S_full_size,
int(_FromSize))
527template <
typename _To,
typename _From,
typename... _More>
528 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
529 __convert(_From __v0, _More... __vs)
531 static_assert((
true && ... && is_same_v<_From, _More>) );
532 if constexpr (__is_vectorizable_v<_From>)
534 using _V =
typename _VectorTraits<_To>::type;
535 using _Tp =
typename _VectorTraits<_To>::value_type;
536 return _V{
static_cast<_Tp
>(__v0),
static_cast<_Tp
>(__vs)...};
538 else if constexpr (__is_vector_type_v<_From>)
539 return __convert<_To>(__as_wrapper(__v0), __as_wrapper(__vs)...);
542 constexpr size_t __input_size = _From::_S_size * (1 +
sizeof...(_More));
543 if constexpr (__is_vectorizable_v<_To>)
544 return __convert<__vector_type_t<_To, __input_size>>(__v0, __vs...);
545 else if constexpr (!__is_vector_type_v<_To>)
546 return _To(__convert<typename _To::_BuiltinType>(__v0, __vs...));
550 sizeof...(_More) == 0
551 || _VectorTraits<_To>::_S_full_size >= __input_size,
552 "__convert(...) requires the input to fit into the output");
553 return __vector_convert<_To>(__v0, __vs...);
563template <
typename _To,
568 typename _From,
typename _FromVT = _VectorTraits<_From>>
569 _GLIBCXX_SIMD_INTRINSIC
auto
570 __convert_all(_From __v)
572 if constexpr (is_arithmetic_v<_To> && _NParts != 1)
574 static_assert(_Offset < _FromVT::_S_full_size);
576 = _NParts == 0 ? _FromVT::_S_partial_width - _Offset : _NParts;
577 return __generate_from_n_evaluations<_Np, array<_To, _Np>>(
578 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
579 return static_cast<_To
>(__v[__i + _Offset]);
584 static_assert(__is_vector_type_v<_To>);
585 using _ToVT = _VectorTraits<_To>;
586 if constexpr (__is_vector_type_v<_From>)
587 return __convert_all<_To, _NParts>(__as_wrapper(__v));
588 else if constexpr (_NParts == 1)
590 static_assert(_Offset % _ToVT::_S_full_size == 0);
591 return array<_To, 1>{__vector_convert<_To>(
592 __extract_part<_Offset / _ToVT::_S_full_size,
593 __div_roundup(_FromVT::_S_partial_width,
594 _ToVT::_S_full_size)>(__v))};
596#if _GLIBCXX_SIMD_X86INTRIN
597 else if constexpr (!__have_sse4_1 && _Offset == 0
598 && is_integral_v<typename _FromVT::value_type>
599 &&
sizeof(
typename _FromVT::value_type)
600 <
sizeof(
typename _ToVT::value_type)
601 && !(
sizeof(
typename _FromVT::value_type) == 4
602 && is_same_v<typename _ToVT::value_type, double>))
604 using _ToT =
typename _ToVT::value_type;
605 using _FromT =
typename _FromVT::value_type;
609 : (_FromVT::_S_partial_width / _ToVT::_S_full_size);
610 using _R = array<_To, _Np>;
615 [[maybe_unused]]
auto __adjust
617 auto __vv) -> _SimdWrapper<_FromT,
decltype(__n)::value> {
618 return __vector_bitcast<_FromT, decltype(__n)::value>(__vv);
620 [[maybe_unused]]
const auto __vi = __to_intrin(__v);
622 = [](
auto __x0, [[maybe_unused]]
auto __x1) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
623 if constexpr (_Np == 1)
624 return _R{__intrin_bitcast<_To>(__x0)};
626 return _R{__intrin_bitcast<_To>(__x0),
627 __intrin_bitcast<_To>(__x1)};
630 if constexpr (_Np == 0)
632 else if constexpr (
sizeof(_FromT) == 1 &&
sizeof(_ToT) == 2)
634 static_assert(is_integral_v<_FromT>);
635 static_assert(is_integral_v<_ToT>);
636 if constexpr (is_unsigned_v<_FromT>)
637 return __make_array(_mm_unpacklo_epi8(__vi, __m128i()),
638 _mm_unpackhi_epi8(__vi, __m128i()));
641 _mm_srai_epi16(_mm_unpacklo_epi8(__vi, __vi), 8),
642 _mm_srai_epi16(_mm_unpackhi_epi8(__vi, __vi), 8));
644 else if constexpr (
sizeof(_FromT) == 2 &&
sizeof(_ToT) == 4)
646 static_assert(is_integral_v<_FromT>);
647 if constexpr (is_floating_point_v<_ToT>)
650 = __convert_all<__vector_type16_t<int>, _Np>(
651 __adjust(_SizeConstant<_Np * 4>(), __v));
652 return __generate_from_n_evaluations<_Np, _R>(
653 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
654 return __vector_convert<_To>(__as_wrapper(__ints[__i]));
657 else if constexpr (is_unsigned_v<_FromT>)
658 return __make_array(_mm_unpacklo_epi16(__vi, __m128i()),
659 _mm_unpackhi_epi16(__vi, __m128i()));
662 _mm_srai_epi32(_mm_unpacklo_epi16(__vi, __vi), 16),
663 _mm_srai_epi32(_mm_unpackhi_epi16(__vi, __vi), 16));
665 else if constexpr (
sizeof(_FromT) == 4 &&
sizeof(_ToT) == 8
666 && is_integral_v<_FromT> && is_integral_v<_ToT>)
668 if constexpr (is_unsigned_v<_FromT>)
669 return __make_array(_mm_unpacklo_epi32(__vi, __m128i()),
670 _mm_unpackhi_epi32(__vi, __m128i()));
673 _mm_unpacklo_epi32(__vi, _mm_srai_epi32(__vi, 31)),
674 _mm_unpackhi_epi32(__vi, _mm_srai_epi32(__vi, 31)));
676 else if constexpr (
sizeof(_FromT) == 4 &&
sizeof(_ToT) == 8
677 && is_integral_v<_FromT> && is_integral_v<_ToT>)
679 if constexpr (is_unsigned_v<_FromT>)
680 return __make_array(_mm_unpacklo_epi32(__vi, __m128i()),
681 _mm_unpackhi_epi32(__vi, __m128i()));
684 _mm_unpacklo_epi32(__vi, _mm_srai_epi32(__vi, 31)),
685 _mm_unpackhi_epi32(__vi, _mm_srai_epi32(__vi, 31)));
687 else if constexpr (
sizeof(_FromT) == 1 &&
sizeof(_ToT) >= 4
688 && is_signed_v<_FromT>)
690 const __m128i __vv[2] = {_mm_unpacklo_epi8(__vi, __vi),
691 _mm_unpackhi_epi8(__vi, __vi)};
692 const __vector_type_t<int, 4> __vvvv[4] = {
693 __vector_bitcast<int>(_mm_unpacklo_epi16(__vv[0], __vv[0])),
694 __vector_bitcast<int>(_mm_unpackhi_epi16(__vv[0], __vv[0])),
695 __vector_bitcast<int>(_mm_unpacklo_epi16(__vv[1], __vv[1])),
696 __vector_bitcast<int>(_mm_unpackhi_epi16(__vv[1], __vv[1]))};
697 if constexpr (
sizeof(_ToT) == 4)
698 return __generate_from_n_evaluations<_Np, _R>(
699 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
700 return __vector_convert<_To>(
701 _SimdWrapper<int, 4>(__vvvv[__i] >> 24));
703 else if constexpr (is_integral_v<_ToT>)
704 return __generate_from_n_evaluations<_Np, _R>(
705 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
706 const auto __signbits = __to_intrin(__vvvv[__i / 2] >> 31);
707 const auto __sx32 = __to_intrin(__vvvv[__i / 2] >> 24);
708 return __vector_bitcast<_ToT>(
709 __i % 2 == 0 ? _mm_unpacklo_epi32(__sx32, __signbits)
710 : _mm_unpackhi_epi32(__sx32, __signbits));
713 return __generate_from_n_evaluations<_Np, _R>(
714 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
715 const _SimdWrapper<int, 4> __int4 = __vvvv[__i / 2] >> 24;
716 return __vector_convert<_To>(
717 __i % 2 == 0 ? __int4
718 : _SimdWrapper<int, 4>(
719 _mm_unpackhi_epi64(__to_intrin(__int4),
720 __to_intrin(__int4))));
723 else if constexpr (
sizeof(_FromT) == 1 &&
sizeof(_ToT) == 4)
725 const auto __shorts = __convert_all<__vector_type16_t<
726 conditional_t<is_signed_v<_FromT>, short,
unsigned short>>>(
727 __adjust(_SizeConstant<(_Np + 1) / 2 * 8>(), __v));
728 return __generate_from_n_evaluations<_Np, _R>(
729 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
730 return __convert_all<_To>(__shorts[__i / 2])[__i % 2];
733 else if constexpr (
sizeof(_FromT) == 2 &&
sizeof(_ToT) == 8
734 && is_signed_v<_FromT> && is_integral_v<_ToT>)
736 const __m128i __vv[2] = {_mm_unpacklo_epi16(__vi, __vi),
737 _mm_unpackhi_epi16(__vi, __vi)};
738 const __vector_type16_t<int> __vvvv[4]
739 = {__vector_bitcast<int>(
740 _mm_unpacklo_epi32(_mm_srai_epi32(__vv[0], 16),
741 _mm_srai_epi32(__vv[0], 31))),
742 __vector_bitcast<int>(
743 _mm_unpackhi_epi32(_mm_srai_epi32(__vv[0], 16),
744 _mm_srai_epi32(__vv[0], 31))),
745 __vector_bitcast<int>(
746 _mm_unpacklo_epi32(_mm_srai_epi32(__vv[1], 16),
747 _mm_srai_epi32(__vv[1], 31))),
748 __vector_bitcast<int>(
749 _mm_unpackhi_epi32(_mm_srai_epi32(__vv[1], 16),
750 _mm_srai_epi32(__vv[1], 31)))};
751 return __generate_from_n_evaluations<_Np, _R>(
752 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
753 return __vector_bitcast<_ToT>(__vvvv[__i]);
756 else if constexpr (
sizeof(_FromT) <= 2 &&
sizeof(_ToT) == 8)
760 is_signed_v<_FromT> || is_floating_point_v<_ToT>, int,
762 __adjust(_SizeConstant<(_Np + 1) / 2 * 4>(), __v));
763 return __generate_from_n_evaluations<_Np, _R>(
764 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
765 return __convert_all<_To>(__ints[__i / 2])[__i % 2];
769 __assert_unreachable<_To>();
772 else if constexpr ((_FromVT::_S_partial_width - _Offset)
773 > _ToVT::_S_full_size)
782 constexpr size_t _NTotal
783 = (_FromVT::_S_partial_width - _Offset) / _ToVT::_S_full_size;
784 constexpr size_t _Np = _NParts == 0 ? _NTotal : _NParts;
787 || (_Np == _NTotal + 1
788 && (_FromVT::_S_partial_width - _Offset) % _ToVT::_S_full_size
790 using _R = array<_To, _Np>;
791 if constexpr (_Np == 1)
792 return _R{__vector_convert<_To>(
793 __extract_part<_Offset, _FromVT::_S_partial_width,
794 _ToVT::_S_full_size>(__v))};
796 return __generate_from_n_evaluations<_Np, _R>(
797 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
799 = __extract_part<__i * _ToVT::_S_full_size + _Offset,
800 _FromVT::_S_partial_width,
801 _ToVT::_S_full_size>(__v);
802 return __vector_convert<_To>(__part);
805 else if constexpr (_Offset == 0)
806 return array<_To, 1>{__vector_convert<_To>(__v)};
808 return array<_To, 1>{__vector_convert<_To>(
809 __extract_part<_Offset, _FromVT::_S_partial_width,
810 _FromVT::_S_partial_width - _Offset>(__v))};
817template <
typename _Tp,
typename _Mp,
typename _Abi,
size_t _Np>
821 using _SimdImpl =
typename _Abi::_SimdImpl;
822 using _MaskImpl =
typename _Abi::_MaskImpl;
825 using _SimdMember = _SimdWrapper<_Tp, _Np>;
826 using _MaskMember = _SimdWrapper<_Mp, _Np>;
827 static constexpr size_t _S_simd_align =
alignof(_SimdMember);
828 static constexpr size_t _S_mask_align =
alignof(_MaskMember);
832 static constexpr size_t _S_full_size = _SimdMember::_S_full_size;
833 static constexpr bool _S_is_partial = _SimdMember::_S_is_partial;
839 _GLIBCXX_SIMD_ALWAYS_INLINE
840 explicit operator __intrinsic_type_t<_Tp, _Np>()
const
842 return __to_intrin(
static_cast<const simd<_Tp, _Abi>*
>(
this)->_M_data);
844 _GLIBCXX_SIMD_ALWAYS_INLINE
845 explicit operator __vector_type_t<_Tp, _Np>()
const
847 return static_cast<const simd<_Tp, _Abi>*
>(
this)->_M_data.__builtin();
853 _GLIBCXX_SIMD_ALWAYS_INLINE
854 explicit operator __intrinsic_type_t<_Tp, _Np>()
const
855 {
return __data(*
static_cast<const simd<_Tp, _Abi>*
>(
this)); }
859 is_same<__intrinsic_type_t<_Tp, _Np>, __vector_type_t<_Tp, _Np>>::value,
860 _SimdBase1, _SimdBase2>;
866 _GLIBCXX_SIMD_ALWAYS_INLINE
867 explicit operator __intrinsic_type_t<_Tp, _Np>()
const
869 return static_cast<const simd_mask<_Tp, _Abi>*
>(
this)
870 ->_M_data.__intrin();
872 _GLIBCXX_SIMD_ALWAYS_INLINE
873 explicit operator __vector_type_t<_Tp, _Np>()
const
875 return static_cast<const simd_mask<_Tp, _Abi>*
>(
this)->_M_data._M_data;
881 _GLIBCXX_SIMD_ALWAYS_INLINE
882 explicit operator __intrinsic_type_t<_Tp, _Np>()
const
883 {
return __data(*
static_cast<const simd_mask<_Tp, _Abi>*
>(
this)); }
887 is_same<__intrinsic_type_t<_Tp, _Np>, __vector_type_t<_Tp, _Np>>::value,
888 _MaskBase1, _MaskBase2>;
895 using _Up = __intrinsic_type_t<_Tp, _Np>;
899 _GLIBCXX_SIMD_ALWAYS_INLINE
900 _MaskCastType(_Up __x) : _M_data(__x) {}
901 _GLIBCXX_SIMD_ALWAYS_INLINE
902 operator _MaskMember()
const {
return _M_data; }
910 using _Ap = __intrinsic_type_t<_Tp, _Np>;
914 _GLIBCXX_SIMD_ALWAYS_INLINE
915 _SimdCastType1(_Ap __a) : _M_data(__vector_bitcast<_Tp>(__a)) {}
916 _GLIBCXX_SIMD_ALWAYS_INLINE
917 operator _SimdMember()
const {
return _M_data; }
922 using _Ap = __intrinsic_type_t<_Tp, _Np>;
923 using _Bp = __vector_type_t<_Tp, _Np>;
927 _GLIBCXX_SIMD_ALWAYS_INLINE
928 _SimdCastType2(_Ap __a) : _M_data(__vector_bitcast<_Tp>(__a)) {}
929 _GLIBCXX_SIMD_ALWAYS_INLINE
930 _SimdCastType2(_Bp __b) : _M_data(__b) {}
931 _GLIBCXX_SIMD_ALWAYS_INLINE
932 operator _SimdMember()
const {
return _M_data; }
936 is_same<__intrinsic_type_t<_Tp, _Np>, __vector_type_t<_Tp, _Np>>::value,
937 _SimdCastType1, _SimdCastType2>;
942struct _CommonImplX86;
943struct _CommonImplNeon;
944struct _CommonImplBuiltin;
945template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplBuiltin;
946template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplBuiltin;
947template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplX86;
948template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplX86;
949template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplNeon;
950template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplNeon;
951template <
typename _Abi,
typename = __detail::__odr_helper>
struct _SimdImplPpc;
952template <
typename _Abi,
typename = __detail::__odr_helper>
struct _MaskImplPpc;
955template <
int _UsedBytes>
956 struct simd_abi::_VecBuiltin
958 template <
typename _Tp>
959 static constexpr size_t _S_size = _UsedBytes /
sizeof(_Tp);
962 struct _IsValidAbiTag : __bool_constant<(_UsedBytes > 1)> {};
964 template <
typename _Tp>
965 struct _IsValidSizeFor
966 : __bool_constant<(_UsedBytes / sizeof(_Tp) > 1
967 && _UsedBytes % sizeof(_Tp) == 0
968 && _UsedBytes <= __vectorized_sizeof<_Tp>()
969 && (!__have_avx512f || _UsedBytes <= 32))> {};
971 template <typename _Tp>
972 struct _IsValid : conjunction<_IsValidAbiTag, __is_vectorizable<_Tp>,
973 _IsValidSizeFor<_Tp>> {};
975 template <typename _Tp>
976 static constexpr bool _S_is_valid_v = _IsValid<_Tp>::value;
980#if _GLIBCXX_SIMD_X86INTRIN
981 using _CommonImpl = _CommonImplX86;
982 using _SimdImpl = _SimdImplX86<_VecBuiltin<_UsedBytes>>;
983 using _MaskImpl = _MaskImplX86<_VecBuiltin<_UsedBytes>>;
984#elif _GLIBCXX_SIMD_HAVE_NEON
985 using _CommonImpl = _CommonImplNeon;
986 using _SimdImpl = _SimdImplNeon<_VecBuiltin<_UsedBytes>>;
987 using _MaskImpl = _MaskImplNeon<_VecBuiltin<_UsedBytes>>;
989 using _CommonImpl = _CommonImplBuiltin;
991 using _SimdImpl = _SimdImplPpc<_VecBuiltin<_UsedBytes>>;
992 using _MaskImpl = _MaskImplPpc<_VecBuiltin<_UsedBytes>>;
994 using _SimdImpl = _SimdImplBuiltin<_VecBuiltin<_UsedBytes>>;
995 using _MaskImpl = _MaskImplBuiltin<_VecBuiltin<_UsedBytes>>;
1001 template <typename _Tp>
1002 using _MaskValueType = __int_for_sizeof_t<_Tp>;
1004 template <typename _Tp>
1006 = conditional_t<_S_is_valid_v<_Tp>,
1007 _GnuTraits<_Tp, _MaskValueType<_Tp>,
1008 _VecBuiltin<_UsedBytes>, _S_size<_Tp>>,
1013 template <typename _Tp>
1014 static constexpr size_t _S_full_size = __traits<_Tp>::_S_full_size;
1016 template <typename _Tp>
1017 static constexpr bool _S_is_partial = __traits<_Tp>::_S_is_partial;
1021 template <typename _Tp>
1022 using _MaskMember = _SimdWrapper<_MaskValueType<_Tp>, _S_size<_Tp>>;
1024 template <typename _Tp>
1025 _GLIBCXX_SIMD_INTRINSIC static constexpr _MaskMember<_Tp>
1028 using _UV = typename _MaskMember<_Tp>::_BuiltinType;
1029 if constexpr (!_MaskMember<_Tp>::_S_is_partial)
1033 constexpr auto __size = _S_size<_Tp>;
1034 _GLIBCXX_SIMD_USE_CONSTEXPR auto __r
1035 = __generate_vector<_UV>([](auto __i) constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
1036 { return __i < __size ? -1 : 0; });
1041 template <typename _Tp>
1042 _GLIBCXX_SIMD_INTRINSIC static constexpr __intrinsic_type_t<_Tp,
1044 _S_implicit_mask_intrin()
1047 __vector_bitcast<_Tp>(_S_implicit_mask<_Tp>()._M_data));
1050 template <typename _TW, typename _TVT = _VectorTraits<_TW>>
1051 _GLIBCXX_SIMD_INTRINSIC static constexpr _TW _S_masked(_TW __x)
1053 using _Tp = typename _TVT::value_type;
1054 if constexpr (!_MaskMember<_Tp>::_S_is_partial)
1057 return __and(__as_vector(__x),
1058 __vector_bitcast<_Tp>(_S_implicit_mask<_Tp>()));
1061 template <typename _TW, typename _TVT = _VectorTraits<_TW>>
1062 _GLIBCXX_SIMD_INTRINSIC static constexpr auto
1063 __make_padding_nonzero(_TW __x)
1065 using _Tp = typename _TVT::value_type;
1066 if constexpr (!_S_is_partial<_Tp>)
1070 _GLIBCXX_SIMD_USE_CONSTEXPR auto __implicit_mask
1071 = __vector_bitcast<_Tp>(_S_implicit_mask<_Tp>());
1072 if constexpr (is_integral_v<_Tp>)
1073 return __or(__x, ~__implicit_mask);
1076 _GLIBCXX_SIMD_USE_CONSTEXPR auto __one
1077 = __andnot(__implicit_mask,
1078 __vector_broadcast<_S_full_size<_Tp>>(_Tp(1)));
1082 return __or(__and(__x, __implicit_mask), __one);
1091template <int _UsedBytes>
1092 struct simd_abi::_VecBltnBtmsk
1094 template <typename _Tp>
1095 static constexpr size_t _S_size = _UsedBytes / sizeof(_Tp);
1098 struct _IsValidAbiTag : __bool_constant<(_UsedBytes > 1)> {};
1100 template <typename _Tp>
1101 struct _IsValidSizeFor
1102 : __bool_constant<(_UsedBytes / sizeof(_Tp) > 1
1103 && _UsedBytes % sizeof(_Tp) == 0 && _UsedBytes <= 64
1104 && (_UsedBytes > 32 || __have_avx512vl))> {};
1108 template <
typename _Tp>
1111 _IsValidAbiTag, __bool_constant<__have_avx512f>,
1112 __bool_constant<__have_avx512bw || (sizeof(_Tp) >= 4)>,
1113 __bool_constant<(__vectorized_sizeof<_Tp>() > sizeof(_Tp))>,
1114 _IsValidSizeFor<_Tp>> {};
1116 template <
typename _Tp>
1117 static constexpr bool _S_is_valid_v = _IsValid<_Tp>::value;
1121 #if _GLIBCXX_SIMD_X86INTRIN
1122 using _CommonImpl = _CommonImplX86;
1123 using _SimdImpl = _SimdImplX86<_VecBltnBtmsk<_UsedBytes>>;
1124 using _MaskImpl = _MaskImplX86<_VecBltnBtmsk<_UsedBytes>>;
1127 struct _MissingImpl;
1129 using _CommonImpl = _MissingImpl<_UsedBytes>;
1130 using _SimdImpl = _MissingImpl<_UsedBytes>;
1131 using _MaskImpl = _MissingImpl<_UsedBytes>;
1136 template <
typename _Tp>
1137 using _MaskMember = _SimdWrapper<bool, _S_size<_Tp>>;
1139 template <
typename _Tp>
1142 _GnuTraits<_Tp, bool, _VecBltnBtmsk<_UsedBytes>, _S_size<_Tp>>,
1147 template <
typename _Tp>
1148 static constexpr size_t _S_full_size = __traits<_Tp>::_S_full_size;
1149 template <
typename _Tp>
1150 static constexpr bool _S_is_partial = __traits<_Tp>::_S_is_partial;
1155 template <
typename _Tp>
1156 using _ImplicitMask = _SimdWrapper<bool, _S_size<_Tp>>;
1159 template <
size_t _Np>
1160 _GLIBCXX_SIMD_INTRINSIC
static constexpr __bool_storage_member_type_t<_Np>
1163 using _Tp = __bool_storage_member_type_t<_Np>;
1164 return _Np <
sizeof(_Tp) * __CHAR_BIT__ ? _Tp((1ULL << _Np) - 1) : ~_Tp();
1167 template <
typename _Tp>
1168 _GLIBCXX_SIMD_INTRINSIC
static constexpr _ImplicitMask<_Tp>
1170 {
return __implicit_mask_n<_S_size<_Tp>>(); }
1172 template <
typename _Tp>
1173 _GLIBCXX_SIMD_INTRINSIC
static constexpr __bool_storage_member_type_t<
1175 _S_implicit_mask_intrin()
1176 {
return __implicit_mask_n<_S_size<_Tp>>(); }
1178 template <
typename _Tp,
size_t _Np>
1179 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1180 _S_masked(_SimdWrapper<_Tp, _Np> __x)
1182 if constexpr (is_same_v<_Tp, bool>)
1183 if constexpr (_Np < 8 || (_Np & (_Np - 1)) != 0)
1184 return _MaskImpl::_S_bit_and(
1185 __x, _SimdWrapper<_Tp, _Np>(
1186 __bool_storage_member_type_t<_Np>((1ULL << _Np) - 1)));
1190 return _S_masked(__x._M_data);
1193 template <
typename _TV>
1194 _GLIBCXX_SIMD_INTRINSIC
static constexpr _TV
1197 using _Tp =
typename _VectorTraits<_TV>::value_type;
1199 !__is_bitmask_v<_TV>,
1200 "_VecBltnBtmsk::_S_masked cannot work on bitmasks, since it doesn't "
1201 "know the number of elements. Use _SimdWrapper<bool, N> instead.");
1202 if constexpr (_S_is_partial<_Tp>)
1204 constexpr size_t _Np = _S_size<_Tp>;
1205 return __make_dependent_t<_TV, _CommonImpl>::_S_blend(
1206 _S_implicit_mask<_Tp>(), _SimdWrapper<_Tp, _Np>(),
1207 _SimdWrapper<_Tp, _Np>(__x));
1213 template <
typename _TV,
typename _TVT = _VectorTraits<_TV>>
1214 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
1215 __make_padding_nonzero(_TV __x)
1217 using _Tp =
typename _TVT::value_type;
1218 if constexpr (!_S_is_partial<_Tp>)
1222 constexpr size_t _Np = _S_size<_Tp>;
1223 if constexpr (is_integral_v<typename _TVT::value_type>)
1225 | __generate_vector<_Tp, _S_full_size<_Tp>>(
1226 [](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA -> _Tp {
1233 return __make_dependent_t<_TV, _CommonImpl>::_S_blend(
1234 _S_implicit_mask<_Tp>(),
1235 _SimdWrapper<_Tp, _Np>(
1236 __vector_broadcast<_S_full_size<_Tp>>(_Tp(1))),
1237 _SimdWrapper<_Tp, _Np>(__x))
1247struct _CommonImplBuiltin
1254 template <
typename _From,
typename _To,
size_t _ToSize>
1255 static inline constexpr bool __converts_via_decomposition_v
1256 =
sizeof(_From) !=
sizeof(_To);
1260 template <
typename _Tp,
size_t _Np,
size_t _Bytes = _Np * sizeof(_Tp)>
1261 _GLIBCXX_SIMD_INTRINSIC
static __vector_type_t<_Tp, _Np>
1262 _S_load(
const void* __p)
1264 static_assert(_Np > 1);
1265 static_assert(_Bytes %
sizeof(_Tp) == 0);
1266 using _Rp = __vector_type_t<_Tp, _Np>;
1267 if constexpr (
sizeof(_Rp) == _Bytes)
1270 __builtin_memcpy(&__r, __p, _Bytes);
1275#ifdef _GLIBCXX_SIMD_WORKAROUND_PR90424
1279 conditional_t<_Bytes % 8 == 0, long long, int>,
1280 conditional_t<_Bytes % 2 == 0, short, signed char>>,
1281 conditional_t<(_Bytes < 8 || _Np % 2 == 1 || _Np == 2), _Tp,
1283 using _V = __vector_type_t<_Up, _Np *
sizeof(_Tp) /
sizeof(_Up)>;
1284 if constexpr (
sizeof(_V) !=
sizeof(_Rp))
1287 __builtin_memcpy(&__r, __p, _Bytes);
1296 static_assert(_Bytes <=
sizeof(_V));
1297 __builtin_memcpy(&__r, __p, _Bytes);
1298 return reinterpret_cast<_Rp
>(__r);
1305 template <
size_t _ReqBytes = 0,
typename _TV>
1306 _GLIBCXX_SIMD_INTRINSIC
static void _S_store(_TV __x,
void* __addr)
1308 constexpr size_t _Bytes = _ReqBytes == 0 ?
sizeof(__x) : _ReqBytes;
1309 static_assert(
sizeof(__x) >= _Bytes);
1311 if constexpr (__is_vector_type_v<_TV>)
1313 using _Tp =
typename _VectorTraits<_TV>::value_type;
1314 constexpr size_t _Np = _Bytes /
sizeof(_Tp);
1315 static_assert(_Np *
sizeof(_Tp) == _Bytes);
1317#ifdef _GLIBCXX_SIMD_WORKAROUND_PR90424
1319 (is_integral_v<_Tp> || _Bytes < 4),
1320 conditional_t<(
sizeof(__x) >
sizeof(
long long)),
long long, _Tp>,
1322 const auto __v = __vector_bitcast<_Up>(__x);
1324 const __vector_type_t<_Tp, _Np> __v = __x;
1327 if constexpr ((_Bytes & (_Bytes - 1)) != 0)
1329 constexpr size_t _MoreBytes = std::__bit_ceil(_Bytes);
1330 alignas(
decltype(__v))
char __tmp[_MoreBytes];
1331 __builtin_memcpy(__tmp, &__v, _MoreBytes);
1332 __builtin_memcpy(__addr, __tmp, _Bytes);
1335 __builtin_memcpy(__addr, &__v, _Bytes);
1338 __builtin_memcpy(__addr, &__x, _Bytes);
1341 template <
typename _Tp,
size_t _Np>
1342 _GLIBCXX_SIMD_INTRINSIC
static void _S_store(_SimdWrapper<_Tp, _Np> __x,
1344 { _S_store<_Np * sizeof(_Tp)>(__x._M_data, __addr); }
1348 template <
size_t _Np,
bool _Sanitized>
1349 _GLIBCXX_SIMD_INTRINSIC
static constexpr void
1350 _S_store_bool_array(_BitMask<_Np, _Sanitized> __x,
bool* __mem)
1352 if constexpr (_Np == 1)
1354 else if constexpr (_Np == 2)
1356 short __bool2 = (__x._M_to_bits() * 0x81) & 0x0101;
1357 _S_store<_Np>(__bool2, __mem);
1359 else if constexpr (_Np == 3)
1361 int __bool3 = (__x._M_to_bits() * 0x4081) & 0x010101;
1362 _S_store<_Np>(__bool3, __mem);
1366 __execute_n_times<__div_roundup(_Np, 4)>(
1367 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1368 constexpr int __offset = __i * 4;
1369 constexpr int __remaining = _Np - __offset;
1370 if constexpr (__remaining > 4 && __remaining <= 7)
1372 const _ULLong __bool7
1373 = (__x.template _M_extract<__offset>()._M_to_bits()
1375 & 0x0101010101010101ULL;
1376 _S_store<__remaining>(__bool7, __mem + __offset);
1378 else if constexpr (__remaining >= 4)
1380 int __bits = __x.template _M_extract<__offset>()._M_to_bits();
1381 if constexpr (__remaining > 7)
1383 const int __bool4 = (__bits * 0x204081) & 0x01010101;
1384 _S_store<4>(__bool4, __mem + __offset);
1392 template <
typename _Tp,
size_t _Np>
1393 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
1394 _S_blend(_SimdWrapper<__int_for_sizeof_t<_Tp>, _Np> __k,
1395 _SimdWrapper<_Tp, _Np> __at0, _SimdWrapper<_Tp, _Np> __at1)
1396 {
return __k._M_data ? __at1._M_data : __at0._M_data; }
1403template <
typename _Abi,
typename>
1404 struct _SimdImplBuiltin
1407 template <
typename _Tp>
1408 static constexpr size_t _S_max_store_size = 16;
1410 using abi_type = _Abi;
1412 template <
typename _Tp>
1413 using _TypeTag = _Tp*;
1415 template <
typename _Tp>
1416 using _SimdMember =
typename _Abi::template __traits<_Tp>::_SimdMember;
1418 template <
typename _Tp>
1419 using _MaskMember =
typename _Abi::template _MaskMember<_Tp>;
1421 template <
typename _Tp>
1422 static constexpr size_t _S_size = _Abi::template _S_size<_Tp>;
1424 template <
typename _Tp>
1425 static constexpr size_t _S_full_size = _Abi::template _S_full_size<_Tp>;
1427 using _CommonImpl =
typename _Abi::_CommonImpl;
1428 using _SuperImpl =
typename _Abi::_SimdImpl;
1429 using _MaskImpl =
typename _Abi::_MaskImpl;
1432 template <
typename _Tp,
size_t _Np>
1433 _GLIBCXX_SIMD_INTRINSIC
static simd<_Tp, _Abi>
1434 _M_make_simd(_SimdWrapper<_Tp, _Np> __x)
1435 {
return {__private_init, __x}; }
1437 template <
typename _Tp,
size_t _Np>
1438 _GLIBCXX_SIMD_INTRINSIC
static simd<_Tp, _Abi>
1439 _M_make_simd(__intrinsic_type_t<_Tp, _Np> __x)
1440 {
return {__private_init, __vector_bitcast<_Tp>(__x)}; }
1443 template <
typename _Tp>
1444 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdMember<_Tp>
1445 _S_broadcast(_Tp __x)
noexcept
1446 {
return __vector_broadcast<_S_full_size<_Tp>>(__x); }
1449 template <
typename _Fp,
typename _Tp>
1450 inline static constexpr _SimdMember<_Tp> _S_generator(_Fp&& __gen,
1453 return __generate_vector<_Tp, _S_full_size<_Tp>>(
1454 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1455 if constexpr (__i < _S_size<_Tp>)
1463 template <
typename _Tp,
typename _Up>
1464 _GLIBCXX_SIMD_INTRINSIC
static _SimdMember<_Tp>
1465 _S_load(
const _Up* __mem, _TypeTag<_Tp>)
noexcept
1467 constexpr size_t _Np = _S_size<_Tp>;
1468 constexpr size_t __max_load_size
1469 = (
sizeof(_Up) >= 4 && __have_avx512f) || __have_avx512bw ? 64
1470 : (is_floating_point_v<_Up> && __have_avx) || __have_avx2 ? 32
1472 constexpr size_t __bytes_to_load =
sizeof(_Up) * _Np;
1473 if constexpr (
sizeof(_Up) > 8)
1474 return __generate_vector<_Tp, _SimdMember<_Tp>::_S_full_size>(
1475 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1476 return static_cast<_Tp
>(__i < _Np ? __mem[__i] : 0);
1478 else if constexpr (is_same_v<_Up, _Tp>)
1479 return _CommonImpl::template _S_load<_Tp, _S_full_size<_Tp>,
1480 _Np *
sizeof(_Tp)>(__mem);
1481 else if constexpr (__bytes_to_load <= __max_load_size)
1482 return __convert<_SimdMember<_Tp>>(
1483 _CommonImpl::template _S_load<_Up, _Np>(__mem));
1484 else if constexpr (__bytes_to_load % __max_load_size == 0)
1486 constexpr size_t __n_loads = __bytes_to_load / __max_load_size;
1487 constexpr size_t __elements_per_load = _Np / __n_loads;
1488 return __call_with_n_evaluations<__n_loads>(
1489 [](
auto... __uncvted) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1490 return __convert<_SimdMember<_Tp>>(__uncvted...);
1491 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1492 return _CommonImpl::template _S_load<_Up, __elements_per_load>(
1493 __mem + __i * __elements_per_load);
1496 else if constexpr (__bytes_to_load % (__max_load_size / 2) == 0
1497 && __max_load_size > 16)
1499 constexpr size_t __n_loads
1500 = __bytes_to_load / (__max_load_size / 2);
1501 constexpr size_t __elements_per_load = _Np / __n_loads;
1502 return __call_with_n_evaluations<__n_loads>(
1503 [](
auto... __uncvted) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1504 return __convert<_SimdMember<_Tp>>(__uncvted...);
1505 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1506 return _CommonImpl::template _S_load<_Up, __elements_per_load>(
1507 __mem + __i * __elements_per_load);
1511 return __call_with_subscripts(
1512 __mem, make_index_sequence<_Np>(),
1513 [](
auto... __args) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1514 return __vector_type_t<_Tp, _S_full_size<_Tp>>{
static_cast<_Tp
>(__args)...};
1519 template <
typename _Tp,
size_t _Np,
typename _Up>
1520 static inline _SimdWrapper<_Tp, _Np>
1521 _S_masked_load(_SimdWrapper<_Tp, _Np> __merge, _MaskMember<_Tp> __k,
1522 const _Up* __mem)
noexcept
1524 _BitOps::_S_bit_iteration(_MaskImpl::_S_to_bits(__k),
1525 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1526 __merge._M_set(__i,
static_cast<_Tp
>(__mem[__i]));
1532 template <
typename _Tp,
typename _Up>
1533 _GLIBCXX_SIMD_INTRINSIC
static void
1534 _S_store(_SimdMember<_Tp> __v, _Up* __mem, _TypeTag<_Tp>)
noexcept
1537 constexpr size_t _Np = _S_size<_Tp>;
1538 constexpr size_t __max_store_size
1539 = _SuperImpl::template _S_max_store_size<_Up>;
1540 if constexpr (
sizeof(_Up) > 8)
1541 __execute_n_times<_Np>([&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1542 __mem[__i] = __v[__i];
1544 else if constexpr (is_same_v<_Up, _Tp>)
1545 _CommonImpl::_S_store(__v, __mem);
1546 else if constexpr (
sizeof(_Up) * _Np <= __max_store_size)
1547 _CommonImpl::_S_store(_SimdWrapper<_Up, _Np>(__convert<_Up>(__v)),
1551 constexpr size_t __vsize = __max_store_size /
sizeof(_Up);
1553 constexpr size_t __stores = __div_roundup(_Np, __vsize);
1554 constexpr size_t __full_stores = _Np / __vsize;
1555 using _V = __vector_type_t<_Up, __vsize>;
1556 const array<_V, __stores> __converted
1557 = __convert_all<_V, __stores>(__v);
1558 __execute_n_times<__full_stores>(
1559 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1560 _CommonImpl::_S_store(__converted[__i], __mem + __i * __vsize);
1562 if constexpr (__full_stores < __stores)
1563 _CommonImpl::template _S_store<(_Np - __full_stores * __vsize)
1565 __converted[__full_stores], __mem + __full_stores * __vsize);
1570 template <
typename _Tp,
size_t _Np>
1571 _GLIBCXX_SIMD_INTRINSIC
static void
1572 _S_masked_store_nocvt(_SimdWrapper<_Tp, _Np> __v, _Tp* __mem,
1573 _MaskMember<_Tp> __k)
1575 _BitOps::_S_bit_iteration(
1576 _MaskImpl::_S_to_bits(__k),
1577 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1578 __mem[__i] = __v[__i];
1583 template <
typename _TW,
typename _TVT = _VectorTraits<_TW>,
1584 typename _Tp =
typename _TVT::value_type,
typename _Up>
1586 _S_masked_store(
const _TW __v, _Up* __mem,
const _MaskMember<_Tp> __k)
1589 constexpr size_t _TV_size = _S_size<_Tp>;
1590 [[maybe_unused]]
const auto __vi = __to_intrin(__v);
1591 constexpr size_t __max_store_size
1592 = _SuperImpl::template _S_max_store_size<_Up>;
1596 _Up> || (is_integral_v<_Tp> && is_integral_v<_Up> &&
sizeof(_Tp) ==
sizeof(_Up)))
1599 const _MaskMember<_Up> __kk = [&]() _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1600 if constexpr (__is_bitmask_v<
decltype(__k)>)
1601 return _MaskMember<_Up>(__k._M_data);
1603 return __wrapper_bitcast<__int_for_sizeof_t<_Up>>(__k);
1605 _SuperImpl::_S_masked_store_nocvt(__wrapper_bitcast<_Up>(__v),
1608 else if constexpr (__vectorized_sizeof<_Up>() >
sizeof(_Up)
1610 template __converts_via_decomposition_v<
1611 _Tp, _Up, __max_store_size>)
1615 constexpr size_t _UW_size
1616 =
std::min(_TV_size, __max_store_size /
sizeof(_Up));
1617 static_assert(_UW_size <= _TV_size);
1618 using _UW = _SimdWrapper<_Up, _UW_size>;
1619 using _UV = __vector_type_t<_Up, _UW_size>;
1620 using _UAbi = simd_abi::deduce_t<_Up, _UW_size>;
1621 if constexpr (_UW_size == _TV_size)
1623 const _UW __converted = __convert<_UW>(__v);
1624 _SuperImpl::_S_masked_store_nocvt(
1626 _UAbi::_MaskImpl::template _S_convert<
1627 __int_for_sizeof_t<_Up>>(__k));
1631 static_assert(_UW_size *
sizeof(_Up) == __max_store_size);
1632 constexpr size_t _NFullStores = _TV_size / _UW_size;
1633 constexpr size_t _NAllStores
1634 = __div_roundup(_TV_size, _UW_size);
1635 constexpr size_t _NParts = _S_full_size<_Tp> / _UW_size;
1636 const array<_UV, _NAllStores> __converted
1637 = __convert_all<_UV, _NAllStores>(__v);
1638 __execute_n_times<_NFullStores>([&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1639 _SuperImpl::_S_masked_store_nocvt(
1640 _UW(__converted[__i]), __mem + __i * _UW_size,
1641 _UAbi::_MaskImpl::template _S_convert<
1642 __int_for_sizeof_t<_Up>>(
1643 __extract_part<__i, _NParts>(__k.__as_full_vector())));
1645 if constexpr (_NAllStores
1647 _SuperImpl::_S_masked_store_nocvt(
1648 _UW(__converted[_NFullStores]),
1649 __mem + _NFullStores * _UW_size,
1650 _UAbi::_MaskImpl::template _S_convert<
1651 __int_for_sizeof_t<_Up>>(
1652 __extract_part<_NFullStores, _NParts>(
1653 __k.__as_full_vector())));
1657 _BitOps::_S_bit_iteration(_MaskImpl::_S_to_bits(__k),
1658 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
1659 __mem[__i] =
static_cast<_Up
>(__v[__i]);
1664 template <
typename _Tp,
size_t _Np>
1665 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1666 _S_complement(_SimdWrapper<_Tp, _Np> __x)
noexcept
1668 if constexpr (is_floating_point_v<_Tp>)
1669 return __vector_bitcast<_Tp>(~__vector_bitcast<__int_for_sizeof_t<_Tp>>(__x));
1671 return ~__x._M_data;
1675 template <
typename _Tp,
size_t _Np>
1676 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1677 _S_unary_minus(_SimdWrapper<_Tp, _Np> __x)
noexcept
1681 return -__x._M_data;
1685 template <
typename _Tp,
size_t _Np>
1686 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1687 _S_plus(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1688 {
return __x._M_data + __y._M_data; }
1690 template <
typename _Tp,
size_t _Np>
1691 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1692 _S_minus(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1693 {
return __x._M_data - __y._M_data; }
1695 template <
typename _Tp,
size_t _Np>
1696 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1697 _S_multiplies(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1698 {
return __x._M_data * __y._M_data; }
1700 template <
typename _Tp,
size_t _Np>
1701 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1702 _S_divides(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1706 if constexpr (!_Abi::template _S_is_partial<_Tp>)
1707 return __x._M_data / __y._M_data;
1709 return __x._M_data / _Abi::__make_padding_nonzero(__y._M_data);
1712 template <
typename _Tp,
size_t _Np>
1713 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1714 _S_modulus(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1716 if constexpr (!_Abi::template _S_is_partial<_Tp>)
1717 return __x._M_data % __y._M_data;
1719 return __as_vector(__x)
1720 % _Abi::__make_padding_nonzero(__as_vector(__y));
1723 template <
typename _Tp,
size_t _Np>
1724 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1725 _S_bit_and(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1726 {
return __and(__x, __y); }
1728 template <
typename _Tp,
size_t _Np>
1729 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1730 _S_bit_or(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1731 {
return __or(__x, __y); }
1733 template <
typename _Tp,
size_t _Np>
1734 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1735 _S_bit_xor(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1736 {
return __xor(__x, __y); }
1738 template <
typename _Tp,
size_t _Np>
1739 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
1740 _S_bit_shift_left(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1741 {
return __x._M_data << __y._M_data; }
1743 template <
typename _Tp,
size_t _Np>
1744 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
1745 _S_bit_shift_right(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1746 {
return __x._M_data >> __y._M_data; }
1748 template <
typename _Tp,
size_t _Np>
1749 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1750 _S_bit_shift_left(_SimdWrapper<_Tp, _Np> __x,
int __y)
1751 {
return __x._M_data << __y; }
1753 template <
typename _Tp,
size_t _Np>
1754 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
1755 _S_bit_shift_right(_SimdWrapper<_Tp, _Np> __x,
int __y)
1756 {
return __x._M_data >> __y; }
1760 template <
typename _Tp,
size_t _Np>
1761 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1762 _S_equal_to(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1763 {
return __x._M_data == __y._M_data; }
1766 template <
typename _Tp,
size_t _Np>
1767 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1768 _S_not_equal_to(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1769 {
return __x._M_data != __y._M_data; }
1772 template <
typename _Tp,
size_t _Np>
1773 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1774 _S_less(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1775 {
return __x._M_data < __y._M_data; }
1778 template <
typename _Tp,
size_t _Np>
1779 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1780 _S_less_equal(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
1781 {
return __x._M_data <= __y._M_data; }
1784 template <
typename _Tp,
size_t _Np>
1785 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
1786 _S_negate(_SimdWrapper<_Tp, _Np> __x)
noexcept
1787 {
return !__x._M_data; }
1790 template <
typename _Tp,
size_t _Np>
1791 _GLIBCXX_SIMD_NORMAL_MATH _GLIBCXX_SIMD_INTRINSIC
static constexpr
1792 _SimdWrapper<_Tp, _Np>
1793 _S_min(_SimdWrapper<_Tp, _Np> __a, _SimdWrapper<_Tp, _Np> __b)
1794 {
return __a._M_data < __b._M_data ? __a._M_data : __b._M_data; }
1796 template <
typename _Tp,
size_t _Np>
1797 _GLIBCXX_SIMD_NORMAL_MATH _GLIBCXX_SIMD_INTRINSIC
static constexpr
1798 _SimdWrapper<_Tp, _Np>
1799 _S_max(_SimdWrapper<_Tp, _Np> __a, _SimdWrapper<_Tp, _Np> __b)
1800 {
return __a._M_data > __b._M_data ? __a._M_data : __b._M_data; }
1802 template <
typename _Tp,
size_t _Np>
1803 _GLIBCXX_SIMD_NORMAL_MATH _GLIBCXX_SIMD_INTRINSIC
static constexpr
1804 pair<_SimdWrapper<_Tp, _Np>, _SimdWrapper<_Tp, _Np>>
1805 _S_minmax(_SimdWrapper<_Tp, _Np> __a, _SimdWrapper<_Tp, _Np> __b)
1807 return {__a._M_data < __b._M_data ? __a._M_data : __b._M_data,
1808 __a._M_data < __b._M_data ? __b._M_data : __a._M_data};
1812 template <
size_t _Np,
size_t... _Is,
size_t... _Zeros,
typename _Tp,
1813 typename _BinaryOperation>
1814 _GLIBCXX_SIMD_INTRINSIC
static _Tp
1815 _S_reduce_partial(index_sequence<_Is...>, index_sequence<_Zeros...>,
1816 simd<_Tp, _Abi> __x, _BinaryOperation&& __binary_op)
1818 using _V = __vector_type_t<_Tp, _Np / 2>;
1819 static_assert(
sizeof(_V) <=
sizeof(__x));
1822 using _FullSimd = __deduced_simd<_Tp, _VectorTraits<_V>::_S_full_size>;
1823 using _HalfSimd = __deduced_simd<_Tp, _Np / 2>;
1824 const auto __xx = __as_vector(__x);
1825 return _HalfSimd::abi_type::_SimdImpl::_S_reduce(
1826 static_cast<_HalfSimd
>(__as_vector(__binary_op(
1827 static_cast<_FullSimd
>(__intrin_bitcast<_V>(__xx)),
1828 static_cast<_FullSimd
>(__intrin_bitcast<_V>(
1829 __vector_permute<(_Np / 2 + _Is)..., (
int(_Zeros * 0) - 1)...>(
1834 template <
typename _Tp,
typename _BinaryOperation>
1835 _GLIBCXX_SIMD_INTRINSIC
static constexpr _Tp
1836 _S_reduce(simd<_Tp, _Abi> __x, _BinaryOperation&& __binary_op)
1838 constexpr size_t _Np = simd_size_v<_Tp, _Abi>;
1839 if constexpr (_Np == 1)
1841 else if constexpr (_Np == 2)
1842 return __binary_op(simd<_Tp, simd_abi::scalar>(__x[0]),
1843 simd<_Tp, simd_abi::scalar>(__x[1]))[0];
1844 else if constexpr (_Abi::template _S_is_partial<_Tp>)
1846 [[maybe_unused]]
constexpr auto __full_size
1847 = _Abi::template _S_full_size<_Tp>;
1848 if constexpr (_Np == 3)
1850 __binary_op(simd<_Tp, simd_abi::scalar>(__x[0]),
1851 simd<_Tp, simd_abi::scalar>(__x[1])),
1852 simd<_Tp, simd_abi::scalar>(__x[2]))[0];
1853 else if constexpr (is_same_v<__remove_cvref_t<_BinaryOperation>,
1856 using _Ap = simd_abi::deduce_t<_Tp, __full_size>;
1857 return _Ap::_SimdImpl::_S_reduce(
1858 simd<_Tp, _Ap>(__private_init,
1859 _Abi::_S_masked(__as_vector(__x))),
1862 else if constexpr (is_same_v<__remove_cvref_t<_BinaryOperation>,
1865 using _Ap = simd_abi::deduce_t<_Tp, __full_size>;
1866 using _TW = _SimdWrapper<_Tp, __full_size>;
1867 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __implicit_mask_full
1868 = _Abi::template _S_implicit_mask<_Tp>().__as_full_vector();
1869 _GLIBCXX_SIMD_USE_CONSTEXPR _TW __one
1870 = __vector_broadcast<__full_size>(_Tp(1));
1871 const _TW __x_full = __data(__x).__as_full_vector();
1872 const _TW __x_padded_with_ones
1873 = _Ap::_CommonImpl::_S_blend(__implicit_mask_full, __one,
1875 return _Ap::_SimdImpl::_S_reduce(
1876 simd<_Tp, _Ap>(__private_init, __x_padded_with_ones),
1879 else if constexpr (_Np & 1)
1881 using _Ap = simd_abi::deduce_t<_Tp, _Np - 1>;
1883 simd<_Tp, simd_abi::scalar>(_Ap::_SimdImpl::_S_reduce(
1885 __intrin_bitcast<__vector_type_t<_Tp, _Np - 1>>(
1888 simd<_Tp, simd_abi::scalar>(__x[_Np - 1]))[0];
1891 return _S_reduce_partial<_Np>(
1892 make_index_sequence<_Np / 2>(),
1893 make_index_sequence<__full_size - _Np / 2>(), __x, __binary_op);
1895 else if constexpr (
sizeof(__x) == 16)
1897 if constexpr (_Np == 16)
1899 const auto __y = __data(__x);
1901 _M_make_simd<_Tp, _Np>(
1902 __vector_permute<0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
1904 _M_make_simd<_Tp, _Np>(
1905 __vector_permute<8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13,
1906 14, 14, 15, 15>(__y)));
1908 if constexpr (_Np >= 8)
1910 const auto __y = __vector_bitcast<short>(__data(__x));
1912 _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1913 __vector_permute<0, 0, 1, 1, 2, 2, 3, 3>(__y))),
1914 _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1915 __vector_permute<4, 4, 5, 5, 6, 6, 7, 7>(__y))));
1917 if constexpr (_Np >= 4)
1919 using _Up = conditional_t<is_floating_point_v<_Tp>, float,
int>;
1920 const auto __y = __vector_bitcast<_Up>(__data(__x));
1921 __x = __binary_op(__x,
1922 _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1923 __vector_permute<3, 2, 1, 0>(__y))));
1925 using _Up = conditional_t<is_floating_point_v<_Tp>, double, _LLong>;
1926 const auto __y = __vector_bitcast<_Up>(__data(__x));
1927 __x = __binary_op(__x, _M_make_simd<_Tp, _Np>(__vector_bitcast<_Tp>(
1928 __vector_permute<1, 1>(__y))));
1933 static_assert(
sizeof(__x) > __min_vector_size<_Tp>);
1934 static_assert((_Np & (_Np - 1)) == 0);
1935 using _Ap = simd_abi::deduce_t<_Tp, _Np / 2>;
1936 using _V = simd<_Tp, _Ap>;
1937 return _Ap::_SimdImpl::_S_reduce(
1938 __binary_op(_V(__private_init, __extract<0, 2>(__as_vector(__x))),
1940 __extract<1, 2>(__as_vector(__x)))),
1941 static_cast<_BinaryOperation&&
>(__binary_op));
1947#define _GLIBCXX_SIMD_MATH_FALLBACK(__name) \
1948 template <typename _Tp, typename... _More> \
1949 static _Tp _S_##__name(const _Tp& __x, const _More&... __more) \
1951 return __generate_vector<_Tp>( \
1952 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1953 return __name(__x[__i], __more[__i]...); \
1957#define _GLIBCXX_SIMD_MATH_FALLBACK_MASKRET(__name) \
1958 template <typename _Tp, typename... _More> \
1959 static typename _Tp::mask_type _S_##__name(const _Tp& __x, \
1960 const _More&... __more) \
1962 return __generate_vector<_Tp>( \
1963 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1964 return __name(__x[__i], __more[__i]...); \
1968#define _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(_RetTp, __name) \
1969 template <typename _Tp, typename... _More> \
1970 static auto _S_##__name(const _Tp& __x, const _More&... __more) \
1972 return __fixed_size_storage_t<_RetTp, \
1973 _VectorTraits<_Tp>::_S_partial_width>:: \
1974 _S_generate([&](auto __meta) constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1975 return __meta._S_generator( \
1976 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { \
1977 return __name(__x[__meta._S_offset + __i], \
1978 __more[__meta._S_offset + __i]...); \
1980 static_cast<_RetTp*>(nullptr)); \
1984 _GLIBCXX_SIMD_MATH_FALLBACK(acos)
1985 _GLIBCXX_SIMD_MATH_FALLBACK(asin)
1986 _GLIBCXX_SIMD_MATH_FALLBACK(atan)
1987 _GLIBCXX_SIMD_MATH_FALLBACK(atan2)
1988 _GLIBCXX_SIMD_MATH_FALLBACK(cos)
1989 _GLIBCXX_SIMD_MATH_FALLBACK(sin)
1990 _GLIBCXX_SIMD_MATH_FALLBACK(tan)
1991 _GLIBCXX_SIMD_MATH_FALLBACK(acosh)
1992 _GLIBCXX_SIMD_MATH_FALLBACK(asinh)
1993 _GLIBCXX_SIMD_MATH_FALLBACK(atanh)
1994 _GLIBCXX_SIMD_MATH_FALLBACK(cosh)
1995 _GLIBCXX_SIMD_MATH_FALLBACK(sinh)
1996 _GLIBCXX_SIMD_MATH_FALLBACK(tanh)
1997 _GLIBCXX_SIMD_MATH_FALLBACK(exp)
1998 _GLIBCXX_SIMD_MATH_FALLBACK(exp2)
1999 _GLIBCXX_SIMD_MATH_FALLBACK(expm1)
2000 _GLIBCXX_SIMD_MATH_FALLBACK(ldexp)
2001 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
int, ilogb)
2002 _GLIBCXX_SIMD_MATH_FALLBACK(log)
2003 _GLIBCXX_SIMD_MATH_FALLBACK(log10)
2004 _GLIBCXX_SIMD_MATH_FALLBACK(log1p)
2005 _GLIBCXX_SIMD_MATH_FALLBACK(log2)
2006 _GLIBCXX_SIMD_MATH_FALLBACK(logb)
2009 _GLIBCXX_SIMD_MATH_FALLBACK(scalbn)
2010 _GLIBCXX_SIMD_MATH_FALLBACK(scalbln)
2011 _GLIBCXX_SIMD_MATH_FALLBACK(cbrt)
2012 _GLIBCXX_SIMD_MATH_FALLBACK(fabs)
2013 _GLIBCXX_SIMD_MATH_FALLBACK(pow)
2014 _GLIBCXX_SIMD_MATH_FALLBACK(sqrt)
2015 _GLIBCXX_SIMD_MATH_FALLBACK(erf)
2016 _GLIBCXX_SIMD_MATH_FALLBACK(erfc)
2017 _GLIBCXX_SIMD_MATH_FALLBACK(lgamma)
2018 _GLIBCXX_SIMD_MATH_FALLBACK(tgamma)
2020 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long, lrint)
2021 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long long, llrint)
2023 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long, lround)
2024 _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET(
long long, llround)
2026 _GLIBCXX_SIMD_MATH_FALLBACK(fmod)
2027 _GLIBCXX_SIMD_MATH_FALLBACK(remainder)
2029 template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2031 _S_remquo(
const _Tp __x,
const _Tp __y,
2032 __fixed_size_storage_t<int, _TVT::_S_partial_width>* __z)
2034 return __generate_vector<_Tp>([&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2036 auto __r = remquo(__x[__i], __y[__i], &__tmp);
2037 __z->_M_set(__i, __tmp);
2043 _GLIBCXX_SIMD_MATH_FALLBACK(nextafter)
2044 _GLIBCXX_SIMD_MATH_FALLBACK(fdim)
2045 _GLIBCXX_SIMD_MATH_FALLBACK(fmax)
2046 _GLIBCXX_SIMD_MATH_FALLBACK(fmin)
2047 _GLIBCXX_SIMD_MATH_FALLBACK(fma)
2049 template <
typename _Tp,
size_t _Np>
2050 static constexpr _MaskMember<_Tp>
2051 _S_isgreater(_SimdWrapper<_Tp, _Np> __x,
2052 _SimdWrapper<_Tp, _Np> __y)
noexcept
2054 using _Ip = __int_for_sizeof_t<_Tp>;
2055 const auto __xn = __vector_bitcast<_Ip>(__x);
2056 const auto __yn = __vector_bitcast<_Ip>(__y);
2057 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
2058 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
2059 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
2063 template <
typename _Tp,
size_t _Np>
2064 static constexpr _MaskMember<_Tp>
2065 _S_isgreaterequal(_SimdWrapper<_Tp, _Np> __x,
2066 _SimdWrapper<_Tp, _Np> __y)
noexcept
2068 using _Ip = __int_for_sizeof_t<_Tp>;
2069 const auto __xn = __vector_bitcast<_Ip>(__x);
2070 const auto __yn = __vector_bitcast<_Ip>(__y);
2071 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
2072 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
2073 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
2077 template <
typename _Tp,
size_t _Np>
2078 static constexpr _MaskMember<_Tp>
2079 _S_isless(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
noexcept
2081 using _Ip = __int_for_sizeof_t<_Tp>;
2082 const auto __xn = __vector_bitcast<_Ip>(__x);
2083 const auto __yn = __vector_bitcast<_Ip>(__y);
2084 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
2085 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
2086 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
2090 template <
typename _Tp,
size_t _Np>
2091 static constexpr _MaskMember<_Tp>
2092 _S_islessequal(_SimdWrapper<_Tp, _Np> __x,
2093 _SimdWrapper<_Tp, _Np> __y)
noexcept
2095 using _Ip = __int_for_sizeof_t<_Tp>;
2096 const auto __xn = __vector_bitcast<_Ip>(__x);
2097 const auto __yn = __vector_bitcast<_Ip>(__y);
2098 const auto __xp = __xn < 0 ? -(__xn & __finite_max_v<_Ip>) : __xn;
2099 const auto __yp = __yn < 0 ? -(__yn & __finite_max_v<_Ip>) : __yn;
2100 return __andnot(_SuperImpl::_S_isunordered(__x, __y)._M_data,
2104 template <
typename _Tp,
size_t _Np>
2105 static constexpr _MaskMember<_Tp>
2106 _S_islessgreater(_SimdWrapper<_Tp, _Np> __x,
2107 _SimdWrapper<_Tp, _Np> __y)
noexcept
2109 return __andnot(_SuperImpl::_S_isunordered(__x, __y),
2110 _SuperImpl::_S_not_equal_to(__x, __y));
2113#undef _GLIBCXX_SIMD_MATH_FALLBACK
2114#undef _GLIBCXX_SIMD_MATH_FALLBACK_MASKRET
2115#undef _GLIBCXX_SIMD_MATH_FALLBACK_FIXEDRET
2117 template <
typename _Tp,
size_t _Np>
2118 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2119 _S_abs(_SimdWrapper<_Tp, _Np> __x)
noexcept
2125 if constexpr (is_floating_point_v<_Tp>)
2130 return __and(_S_absmask<__vector_type_t<_Tp, _Np>>, __x._M_data);
2132 return __x._M_data < 0 ? -__x._M_data : __x._M_data;
2140 template <
typename _TV,
typename _UV>
2141 _GLIBCXX_SIMD_INTRINSIC
static constexpr _TV _S_plus_minus(_TV __x,
2144 #if defined __i386__ && !defined __SSE_MATH__
2145 if constexpr (
sizeof(__x) == 8)
2147 static_assert(is_same_v<_TV, __vector_type_t<float, 2>>);
2148 const auto __x4 = __vector_bitcast<float, 4>(__x);
2149 if constexpr (is_same_v<_TV, _UV>)
2150 return __vector_bitcast<float, 2>(
2151 _S_plus_minus(__x4, __vector_bitcast<float, 4>(__y)));
2153 return __vector_bitcast<float, 2>(_S_plus_minus(__x4, __y));
2156 #if !defined __clang__ && __GCC_IEC_559 == 0
2157 if (__builtin_is_constant_evaluated()
2158 || (__builtin_constant_p(__x) && __builtin_constant_p(__y)))
2159 return (__x + __y) - __y;
2163 if constexpr(__have_sse)
2165 if constexpr (
sizeof(__x) >= 16)
2166 asm(
"" :
"+x"(__x));
2167 else if constexpr (is_same_v<__vector_type_t<float, 2>, _TV>)
2168 asm(
"" :
"+x"(__x[0]),
"+x"(__x[1]));
2170 __assert_unreachable<_TV>();
2172 else if constexpr(__have_neon)
2173 asm(
"" :
"+w"(__x));
2174 else if constexpr (__have_power_vmx)
2176 if constexpr (is_same_v<__vector_type_t<float, 2>, _TV>)
2177 asm(
"" :
"+fgr"(__x[0]),
"+fgr"(__x[1]));
2179 asm(
"" :
"+v"(__x));
2182 asm(
"" :
"+g"(__x));
2186 return (__x + __y) - __y;
2192 template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2193 _GLIBCXX_SIMD_INTRINSIC
static _Tp _S_nearbyint(_Tp __x_)
noexcept
2195 using value_type =
typename _TVT::value_type;
2196 using _V =
typename _TVT::type;
2197 const _V __x = __x_;
2198 const _V __absx = __and(__x, _S_absmask<_V>);
2199 static_assert(__CHAR_BIT__ *
sizeof(1ull) >= __digits_v<value_type>);
2200 _GLIBCXX_SIMD_USE_CONSTEXPR _V __shifter_abs
2201 = _V() + (1ull << (__digits_v<value_type> - 1));
2202 const _V __shifter = __or(__and(_S_signmask<_V>, __x), __shifter_abs);
2203 const _V __shifted = _S_plus_minus(__x, __shifter);
2204 return __absx < __shifter_abs ? __shifted : __x;
2208 template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2209 _GLIBCXX_SIMD_INTRINSIC
static _Tp _S_rint(_Tp __x)
noexcept
2211 return _SuperImpl::_S_nearbyint(__x);
2215 template <
typename _Tp,
size_t _Np>
2216 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2217 _S_trunc(_SimdWrapper<_Tp, _Np> __x)
2219 using _V = __vector_type_t<_Tp, _Np>;
2220 const _V __absx = __and(__x._M_data, _S_absmask<_V>);
2221 static_assert(__CHAR_BIT__ *
sizeof(1ull) >= __digits_v<_Tp>);
2222 constexpr _Tp __shifter = 1ull << (__digits_v<_Tp> - 1);
2223 _V __truncated = _S_plus_minus(__absx, __shifter);
2224 __truncated -= __truncated > __absx ? _V() + 1 : _V();
2225 return __absx < __shifter ? __or(__xor(__absx, __x._M_data), __truncated)
2230 template <
typename _Tp,
size_t _Np>
2231 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2232 _S_round(_SimdWrapper<_Tp, _Np> __x)
2234 const auto __abs_x = _SuperImpl::_S_abs(__x);
2235 const auto __t_abs = _SuperImpl::_S_trunc(__abs_x)._M_data;
2237 = __t_abs + (__abs_x._M_data - __t_abs >= _Tp(.5) ? _Tp(1) : 0);
2238 return __or(__xor(__abs_x._M_data, __x._M_data), __r_abs);
2242 template <
typename _Tp,
size_t _Np>
2243 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2244 _S_floor(_SimdWrapper<_Tp, _Np> __x)
2246 const auto __y = _SuperImpl::_S_trunc(__x)._M_data;
2247 const auto __negative_input
2248 = __vector_bitcast<_Tp>(__x._M_data < __vector_broadcast<_Np, _Tp>(0));
2250 = __andnot(__vector_bitcast<_Tp>(__y == __x._M_data), __negative_input);
2251 return __or(__andnot(__mask, __y),
2252 __and(__mask, __y - __vector_broadcast<_Np, _Tp>(1)));
2256 template <
typename _Tp,
size_t _Np>
2257 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2258 _S_ceil(_SimdWrapper<_Tp, _Np> __x)
2260 const auto __y = _SuperImpl::_S_trunc(__x)._M_data;
2261 const auto __negative_input
2262 = __vector_bitcast<_Tp>(__x._M_data < __vector_broadcast<_Np, _Tp>(0));
2263 const auto __inv_mask
2264 = __or(__vector_bitcast<_Tp>(__y == __x._M_data), __negative_input);
2265 return __or(__and(__inv_mask, __y),
2266 __andnot(__inv_mask, __y + __vector_broadcast<_Np, _Tp>(1)));
2270 template <
typename _Tp,
size_t _Np>
2271 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2272 _S_isnan([[maybe_unused]] _SimdWrapper<_Tp, _Np> __x)
2274 #if __FINITE_MATH_ONLY__
2276 #elif !defined __SUPPORT_SNAN__
2277 return ~(__x._M_data == __x._M_data);
2278 #elif defined __STDC_IEC_559__
2279 using _Ip = __int_for_sizeof_t<_Tp>;
2280 const auto __absn = __vector_bitcast<_Ip>(_SuperImpl::_S_abs(__x));
2282 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__infinity_v<_Tp>));
2283 return __infn < __absn;
2285 #error "Not implemented: how to support SNaN but non-IEC559 floating-point?"
2290 template <
typename _Tp,
size_t _Np>
2291 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2292 _S_isfinite([[maybe_unused]] _SimdWrapper<_Tp, _Np> __x)
2294 #if __FINITE_MATH_ONLY__
2295 using _UV =
typename _MaskMember<_Tp>::_BuiltinType;
2296 _GLIBCXX_SIMD_USE_CONSTEXPR _UV __alltrue = ~_UV();
2300 using _Ip = __int_for_sizeof_t<_Tp>;
2301 const auto __absn = __vector_bitcast<_Ip>(_SuperImpl::_S_abs(__x));
2303 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__finite_max_v<_Tp>));
2304 return __absn <= __maxn;
2309 template <
typename _Tp,
size_t _Np>
2310 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2311 _S_isunordered(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y)
2313 return __or(_S_isnan(__x), _S_isnan(__y));
2317 template <
typename _Tp,
size_t _Np>
2318 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2319 _S_signbit(_SimdWrapper<_Tp, _Np> __x)
2321 using _Ip = __int_for_sizeof_t<_Tp>;
2322 return __vector_bitcast<_Ip>(__x) < 0;
2329 template <
typename _Tp,
size_t _Np>
2330 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2331 _S_isinf([[maybe_unused]] _SimdWrapper<_Tp, _Np> __x)
2333 #if __FINITE_MATH_ONLY__
2336 return _SuperImpl::template _S_equal_to<_Tp, _Np>(_SuperImpl::_S_abs(__x),
2337 __vector_broadcast<_Np>(
2338 __infinity_v<_Tp>));
2353 template <
typename _Tp,
size_t _Np>
2354 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2355 _S_isnormal(_SimdWrapper<_Tp, _Np> __x)
2357 using _Ip = __int_for_sizeof_t<_Tp>;
2358 const auto __absn = __vector_bitcast<_Ip>(_SuperImpl::_S_abs(__x));
2360 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__norm_min_v<_Tp>));
2361 #if __FINITE_MATH_ONLY__
2362 return __absn >= __minn;
2365 = __vector_bitcast<_Ip>(__vector_broadcast<_Np>(__finite_max_v<_Tp>));
2366 return __minn <= __absn && __absn <= __maxn;
2371 template <
typename _Tp,
size_t _Np>
2372 _GLIBCXX_SIMD_INTRINSIC
static __fixed_size_storage_t<int, _Np>
2373 _S_fpclassify(_SimdWrapper<_Tp, _Np> __x)
2375 using _I = __int_for_sizeof_t<_Tp>;
2377 = __vector_bitcast<_I>(__to_intrin(_SuperImpl::_S_abs(__x)));
2378 constexpr size_t _NI =
sizeof(__xn) /
sizeof(_I);
2379 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __minn
2380 = __vector_bitcast<_I>(__vector_broadcast<_NI>(__norm_min_v<_Tp>));
2381 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __infn
2382 = __vector_bitcast<_I>(__vector_broadcast<_NI>(__infinity_v<_Tp>));
2384 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_normal
2385 = __vector_broadcast<_NI, _I>(FP_NORMAL);
2386 #if !__FINITE_MATH_ONLY__
2387 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_nan
2388 = __vector_broadcast<_NI, _I>(FP_NAN);
2389 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_infinite
2390 = __vector_broadcast<_NI, _I>(FP_INFINITE);
2392 #ifndef __FAST_MATH__
2393 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_subnormal
2394 = __vector_broadcast<_NI, _I>(FP_SUBNORMAL);
2396 _GLIBCXX_SIMD_USE_CONSTEXPR
auto __fp_zero
2397 = __vector_broadcast<_NI, _I>(FP_ZERO);
2399 __vector_type_t<_I, _NI>
2400 __tmp = __xn < __minn
2401 #ifdef __FAST_MATH__
2404 ? (__xn == 0 ? __fp_zero : __fp_subnormal)
2406 #
if __FINITE_MATH_ONLY__
2409 : (__xn < __infn ? __fp_normal
2410 : (__xn == __infn ? __fp_infinite : __fp_nan));
2413 if constexpr (
sizeof(_I) ==
sizeof(
int))
2415 using _FixedInt = __fixed_size_storage_t<int, _Np>;
2416 const auto __as_int = __vector_bitcast<int, _Np>(__tmp);
2417 if constexpr (_FixedInt::_S_tuple_size == 1)
2419 else if constexpr (_FixedInt::_S_tuple_size == 2
2421 typename _FixedInt::_SecondType::_FirstAbi,
2423 return {__extract<0, 2>(__as_int), __as_int[_Np - 1]};
2424 else if constexpr (_FixedInt::_S_tuple_size == 2)
2425 return {__extract<0, 2>(__as_int),
2426 __auto_bitcast(__extract<1, 2>(__as_int))};
2428 __assert_unreachable<_Tp>();
2430 else if constexpr (_Np == 2 &&
sizeof(_I) == 8
2431 && __fixed_size_storage_t<int, _Np>::_S_tuple_size == 2)
2433 const auto __aslong = __vector_bitcast<_LLong>(__tmp);
2434 return {int(__aslong[0]), {int(__aslong[1])}};
2436 #if _GLIBCXX_SIMD_X86INTRIN
2437 else if constexpr (
sizeof(_Tp) == 8 &&
sizeof(__tmp) == 32
2438 && __fixed_size_storage_t<int, _Np>::_S_tuple_size == 1)
2439 return {_mm_packs_epi32(__to_intrin(__lo128(__tmp)),
2440 __to_intrin(__hi128(__tmp)))};
2441 else if constexpr (
sizeof(_Tp) == 8 &&
sizeof(__tmp) == 64
2442 && __fixed_size_storage_t<int, _Np>::_S_tuple_size == 1)
2443 return {_mm512_cvtepi64_epi32(__to_intrin(__tmp))};
2445 else if constexpr (__fixed_size_storage_t<int, _Np>::_S_tuple_size == 1)
2446 return {__call_with_subscripts<_Np>(__vector_bitcast<_LLong>(__tmp),
2447 [](
auto... __l) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2448 return __make_wrapper<int>(__l...);
2451 __assert_unreachable<_Tp>();
2455 template <
typename _Tp,
size_t _Np>
2456 _GLIBCXX_SIMD_INTRINSIC
static void
2457 _S_increment(_SimdWrapper<_Tp, _Np>& __x)
2458 { __x = __x._M_data + 1; }
2460 template <
typename _Tp,
size_t _Np>
2461 _GLIBCXX_SIMD_INTRINSIC
static void
2462 _S_decrement(_SimdWrapper<_Tp, _Np>& __x)
2463 { __x = __x._M_data - 1; }
2466 template <
typename _Tp,
size_t _Np,
typename _Up>
2467 _GLIBCXX_SIMD_INTRINSIC
constexpr static void
2468 _S_set(_SimdWrapper<_Tp, _Np>& __v,
int __i, _Up&& __x)
noexcept
2469 { __v._M_set(__i,
static_cast<_Up&&
>(__x)); }
2472 template <
typename _Tp,
typename _K,
size_t _Np>
2473 _GLIBCXX_SIMD_INTRINSIC
static void
2474 _S_masked_assign(_SimdWrapper<_K, _Np> __k, _SimdWrapper<_Tp, _Np>& __lhs,
2475 __type_identity_t<_SimdWrapper<_Tp, _Np>> __rhs)
2477 if (__k._M_is_constprop_none_of())
2479 else if (__k._M_is_constprop_all_of())
2482 __lhs = _CommonImpl::_S_blend(__k, __lhs, __rhs);
2485 template <
typename _Tp,
typename _K,
size_t _Np>
2486 _GLIBCXX_SIMD_INTRINSIC
static void
2487 _S_masked_assign(_SimdWrapper<_K, _Np> __k, _SimdWrapper<_Tp, _Np>& __lhs,
2488 __type_identity_t<_Tp> __rhs)
2490 if (__k._M_is_constprop_none_of())
2492 else if (__k._M_is_constprop_all_of())
2493 __lhs = __vector_broadcast<_Np>(__rhs);
2494 else if (__builtin_constant_p(__rhs) && __rhs == 0)
2496 if constexpr (!is_same_v<bool, _K>)
2500 = __andnot(__vector_bitcast<_Tp>(__k), __lhs._M_data);
2504 = _CommonImpl::_S_blend(__k, __lhs, _SimdWrapper<_Tp, _Np>());
2507 __lhs = _CommonImpl::_S_blend(__k, __lhs,
2508 _SimdWrapper<_Tp, _Np>(
2509 __vector_broadcast<_Np>(__rhs)));
2513 template <
typename _Op,
typename _Tp,
typename _K,
size_t _Np>
2514 _GLIBCXX_SIMD_INTRINSIC
static void
2515 _S_masked_cassign(
const _SimdWrapper<_K, _Np> __k,
2516 _SimdWrapper<_Tp, _Np>& __lhs,
2517 const __type_identity_t<_SimdWrapper<_Tp, _Np>> __rhs,
2520 if (__k._M_is_constprop_none_of())
2522 else if (__k._M_is_constprop_all_of())
2523 __lhs = __op(_SuperImpl{}, __lhs, __rhs);
2525 __lhs = _CommonImpl::_S_blend(__k, __lhs,
2526 __op(_SuperImpl{}, __lhs, __rhs));
2529 template <
typename _Op,
typename _Tp,
typename _K,
size_t _Np>
2530 _GLIBCXX_SIMD_INTRINSIC
static void
2531 _S_masked_cassign(
const _SimdWrapper<_K, _Np> __k,
2532 _SimdWrapper<_Tp, _Np>& __lhs,
2533 const __type_identity_t<_Tp> __rhs, _Op __op)
2534 { _S_masked_cassign(__k, __lhs, __vector_broadcast<_Np>(__rhs), __op); }
2537 template <
template <
typename>
class _Op,
typename _Tp,
typename _K,
2539 _GLIBCXX_SIMD_INTRINSIC
static _SimdWrapper<_Tp, _Np>
2540 _S_masked_unary(
const _SimdWrapper<_K, _Np> __k,
2541 const _SimdWrapper<_Tp, _Np> __v)
2543 if (__k._M_is_constprop_none_of())
2545 auto __vv = _M_make_simd(__v);
2546 _Op<
decltype(__vv)> __op;
2547 if (__k._M_is_constprop_all_of())
2548 return __data(__op(__vv));
2550 return _CommonImpl::_S_blend(__k, __v, __data(__op(__vv)));
2557struct _MaskImplBuiltinMixin
2559 template <
typename _Tp>
2560 using _TypeTag = _Tp*;
2563 template <
typename _Up,
size_t _ToN = 1>
2564 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Up, _ToN>
2565 _S_to_maskvector(
bool __x)
2567 static_assert(is_same_v<_Up, __int_for_sizeof_t<_Up>>);
2568 return __x ? __vector_type_t<_Up, _ToN>{~_Up()}
2569 : __vector_type_t<_Up, _ToN>{};
2572 template <
typename _Up,
size_t _UpN = 0,
size_t _Np,
bool _Sanitized,
2573 size_t _ToN = _UpN == 0 ? _Np : _UpN>
2574 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Up, _ToN>
2575 _S_to_maskvector(_BitMask<_Np, _Sanitized> __x)
2577 static_assert(is_same_v<_Up, __int_for_sizeof_t<_Up>>);
2578 return __generate_vector<__vector_type_t<_Up, _ToN>>(
2579 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2580 if constexpr (__i < _Np)
2581 return __x[__i] ? ~_Up() : _Up();
2587 template <
typename _Up,
size_t _UpN = 0,
typename _Tp,
size_t _Np,
2588 size_t _ToN = _UpN == 0 ? _Np : _UpN>
2589 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Up, _ToN>
2590 _S_to_maskvector(_SimdWrapper<_Tp, _Np> __x)
2592 static_assert(is_same_v<_Up, __int_for_sizeof_t<_Up>>);
2593 using _TW = _SimdWrapper<_Tp, _Np>;
2594 using _UW = _SimdWrapper<_Up, _ToN>;
2595 if constexpr (
sizeof(_Up) ==
sizeof(_Tp) &&
sizeof(_TW) ==
sizeof(_UW))
2596 return __wrapper_bitcast<_Up, _ToN>(__x);
2597 else if constexpr (is_same_v<_Tp, bool>)
2598 return _S_to_maskvector<_Up, _ToN>(_BitMask<_Np>(__x._M_data));
2625 return __generate_vector<__vector_type_t<_Up, _ToN>>(
2626 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2627 if constexpr (__i < _Np)
2628 return _Up(__x[__i.value]);
2638 template <
typename _Tp,
size_t _Np>
2639 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SanitizedBitMask<_Np>
2640 _S_to_bits(_SimdWrapper<_Tp, _Np> __x)
2642 static_assert(!is_same_v<_Tp, bool>);
2643 static_assert(_Np <= __CHAR_BIT__ *
sizeof(_ULLong));
2644 using _Up = make_unsigned_t<__int_for_sizeof_t<_Tp>>;
2646 = __vector_bitcast<_Up>(__x) >> (
sizeof(_Up) * __CHAR_BIT__ - 1);
2648 __execute_n_times<_Np>(
2649 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2650 __r |= _ULLong(__bools[__i.value]) << __i;
2659template <
typename _Abi,
typename>
2660 struct _MaskImplBuiltin : _MaskImplBuiltinMixin
2662 using _MaskImplBuiltinMixin::_S_to_bits;
2663 using _MaskImplBuiltinMixin::_S_to_maskvector;
2666 template <
typename _Tp>
2667 using _SimdMember =
typename _Abi::template __traits<_Tp>::_SimdMember;
2669 template <
typename _Tp>
2670 using _MaskMember =
typename _Abi::template _MaskMember<_Tp>;
2672 using _SuperImpl =
typename _Abi::_MaskImpl;
2673 using _CommonImpl =
typename _Abi::_CommonImpl;
2675 template <
typename _Tp>
2676 static constexpr size_t _S_size = simd_size_v<_Tp, _Abi>;
2680 template <
typename _Tp>
2681 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
2682 _S_broadcast(
bool __x)
2684 return __x ? _Abi::template _S_implicit_mask<_Tp>()
2685 : _MaskMember<_Tp>();
2690 template <
typename _Tp>
2691 _GLIBCXX_SIMD_INTRINSIC
static constexpr _MaskMember<_Tp>
2692 _S_load(
const bool* __mem)
2694 using _I = __int_for_sizeof_t<_Tp>;
2695 if constexpr (
sizeof(_Tp) ==
sizeof(
bool))
2698 = _CommonImpl::template _S_load<_I, _S_size<_Tp>>(__mem);
2703 return __generate_vector<_I, _S_size<_Tp>>(
2704 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2705 return __mem[__i] ? ~_I() : _I();
2711 template <
typename _Tp,
size_t _Np,
bool _Sanitized>
2712 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2713 _S_convert(_BitMask<_Np, _Sanitized> __x)
2715 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2716 return _SimdWrapper<
bool, simd_size_v<_Tp, _Abi>>(__x._M_to_bits());
2718 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2720 __x._M_sanitized());
2723 template <
typename _Tp,
size_t _Np>
2724 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2725 _S_convert(_SimdWrapper<bool, _Np> __x)
2727 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2728 return _SimdWrapper<
bool, simd_size_v<_Tp, _Abi>>(__x._M_data);
2730 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2732 _BitMask<_Np>(__x._M_data)._M_sanitized());
2735 template <
typename _Tp,
typename _Up,
size_t _Np>
2736 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2737 _S_convert(_SimdWrapper<_Up, _Np> __x)
2739 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2740 return _SimdWrapper<
bool, simd_size_v<_Tp, _Abi>>(
2741 _SuperImpl::_S_to_bits(__x));
2743 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2747 template <
typename _Tp,
typename _Up,
typename _UAbi>
2748 _GLIBCXX_SIMD_INTRINSIC
static constexpr auto
2749 _S_convert(simd_mask<_Up, _UAbi> __x)
2751 if constexpr (__is_builtin_bitmask_abi<_Abi>())
2753 using _R = _SimdWrapper<bool, simd_size_v<_Tp, _Abi>>;
2754 if constexpr (__is_builtin_bitmask_abi<_UAbi>())
2755 return _R(__data(__x));
2756 else if constexpr (__is_scalar_abi<_UAbi>())
2757 return _R(__data(__x));
2758 else if constexpr (__is_fixed_size_abi_v<_UAbi>)
2759 return _R(__data(__x)._M_to_bits());
2761 return _R(_UAbi::_MaskImpl::_S_to_bits(__data(__x))._M_to_bits());
2764 return _SuperImpl::template _S_to_maskvector<__int_for_sizeof_t<_Tp>,
2771 template <
typename _Tp,
size_t _Np>
2772 static inline _SimdWrapper<_Tp, _Np>
2773 _S_masked_load(_SimdWrapper<_Tp, _Np> __merge,
2774 _SimdWrapper<_Tp, _Np> __mask,
const bool* __mem)
noexcept
2777 auto __tmp = __wrapper_bitcast<__int_for_sizeof_t<_Tp>>(__merge);
2778 _BitOps::_S_bit_iteration(_SuperImpl::_S_to_bits(__mask),
2779 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2780 __tmp._M_set(__i, -__mem[__i]);
2782 __merge = __wrapper_bitcast<_Tp>(__tmp);
2787 template <
typename _Tp,
size_t _Np>
2788 _GLIBCXX_SIMD_INTRINSIC
static void _S_store(_SimdWrapper<_Tp, _Np> __v,
2789 bool* __mem)
noexcept
2791 __execute_n_times<_Np>([&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2792 __mem[__i] = __v[__i];
2797 template <
typename _Tp,
size_t _Np>
2799 _S_masked_store(
const _SimdWrapper<_Tp, _Np> __v,
bool* __mem,
2800 const _SimdWrapper<_Tp, _Np> __k)
noexcept
2802 _BitOps::_S_bit_iteration(_SuperImpl::_S_to_bits(__k),
2803 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2804 __mem[__i] = __v[__i];
2809 template <
size_t _Np,
typename _Tp>
2810 _GLIBCXX_SIMD_INTRINSIC
static _MaskMember<_Tp>
2811 _S_from_bitmask(_SanitizedBitMask<_Np> __bits, _TypeTag<_Tp>)
2813 return _SuperImpl::template _S_to_maskvector<_Tp, _S_size<_Tp>>(__bits);
2817 template <
typename _Tp,
size_t _Np>
2818 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2819 _S_logical_and(
const _SimdWrapper<_Tp, _Np>& __x,
2820 const _SimdWrapper<_Tp, _Np>& __y)
2821 {
return __and(__x._M_data, __y._M_data); }
2823 template <
typename _Tp,
size_t _Np>
2824 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2825 _S_logical_or(
const _SimdWrapper<_Tp, _Np>& __x,
2826 const _SimdWrapper<_Tp, _Np>& __y)
2827 {
return __or(__x._M_data, __y._M_data); }
2829 template <
typename _Tp,
size_t _Np>
2830 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2831 _S_bit_not(
const _SimdWrapper<_Tp, _Np>& __x)
2833 if constexpr (_Abi::template _S_is_partial<_Tp>)
2834 return __andnot(__x, __wrapper_bitcast<_Tp>(
2835 _Abi::template _S_implicit_mask<_Tp>()));
2837 return __not(__x._M_data);
2840 template <
typename _Tp,
size_t _Np>
2841 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2842 _S_bit_and(
const _SimdWrapper<_Tp, _Np>& __x,
2843 const _SimdWrapper<_Tp, _Np>& __y)
2844 {
return __and(__x._M_data, __y._M_data); }
2846 template <
typename _Tp,
size_t _Np>
2847 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2848 _S_bit_or(
const _SimdWrapper<_Tp, _Np>& __x,
2849 const _SimdWrapper<_Tp, _Np>& __y)
2850 {
return __or(__x._M_data, __y._M_data); }
2852 template <
typename _Tp,
size_t _Np>
2853 _GLIBCXX_SIMD_INTRINSIC
static constexpr _SimdWrapper<_Tp, _Np>
2854 _S_bit_xor(
const _SimdWrapper<_Tp, _Np>& __x,
2855 const _SimdWrapper<_Tp, _Np>& __y)
2856 {
return __xor(__x._M_data, __y._M_data); }
2859 template <
typename _Tp,
size_t _Np>
2860 static constexpr void _S_set(_SimdWrapper<_Tp, _Np>& __k,
int __i,
2863 if constexpr (is_same_v<_Tp, bool>)
2864 __k._M_set(__i, __x);
2867 static_assert(is_same_v<_Tp, __int_for_sizeof_t<_Tp>>);
2868 if (__builtin_is_constant_evaluated())
2870 __k = __generate_from_n_evaluations<_Np,
2871 __vector_type_t<_Tp, _Np>>(
2872 [&](
auto __j) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2880 __k._M_data[__i] = -__x;
2885 template <
typename _Tp,
size_t _Np>
2886 _GLIBCXX_SIMD_INTRINSIC
static void
2887 _S_masked_assign(_SimdWrapper<_Tp, _Np> __k,
2888 _SimdWrapper<_Tp, _Np>& __lhs,
2889 __type_identity_t<_SimdWrapper<_Tp, _Np>> __rhs)
2890 { __lhs = _CommonImpl::_S_blend(__k, __lhs, __rhs); }
2892 template <
typename _Tp,
size_t _Np>
2893 _GLIBCXX_SIMD_INTRINSIC
static void
2894 _S_masked_assign(_SimdWrapper<_Tp, _Np> __k,
2895 _SimdWrapper<_Tp, _Np>& __lhs,
bool __rhs)
2897 if (__builtin_constant_p(__rhs))
2900 __lhs = __andnot(__k, __lhs);
2902 __lhs = __or(__k, __lhs);
2905 __lhs = _CommonImpl::_S_blend(__k, __lhs,
2906 __data(simd_mask<_Tp, _Abi>(__rhs)));
2911 template <
typename _Tp>
2912 _GLIBCXX_SIMD_INTRINSIC
static bool
2913 _S_all_of(simd_mask<_Tp, _Abi> __k)
2915 return __call_with_subscripts(
2916 __data(__k), make_index_sequence<_S_size<_Tp>>(),
2917 [](
const auto... __ent)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2918 {
return (... && !(__ent == 0)); });
2923 template <
typename _Tp>
2924 _GLIBCXX_SIMD_INTRINSIC
static bool
2925 _S_any_of(simd_mask<_Tp, _Abi> __k)
2927 return __call_with_subscripts(
2928 __data(__k), make_index_sequence<_S_size<_Tp>>(),
2929 [](
const auto... __ent)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2930 {
return (... || !(__ent == 0)); });
2935 template <
typename _Tp>
2936 _GLIBCXX_SIMD_INTRINSIC
static bool
2937 _S_none_of(simd_mask<_Tp, _Abi> __k)
2939 return __call_with_subscripts(
2940 __data(__k), make_index_sequence<_S_size<_Tp>>(),
2941 [](
const auto... __ent)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2942 {
return (... && (__ent == 0)); });
2947 template <
typename _Tp>
2948 _GLIBCXX_SIMD_INTRINSIC
static bool
2949 _S_some_of(simd_mask<_Tp, _Abi> __k)
2951 const int __n_true = _SuperImpl::_S_popcount(__k);
2952 return __n_true > 0 && __n_true < int(_S_size<_Tp>);
2957 template <
typename _Tp>
2958 _GLIBCXX_SIMD_INTRINSIC
static int
2959 _S_popcount(simd_mask<_Tp, _Abi> __k)
2961 using _I = __int_for_sizeof_t<_Tp>;
2962 if constexpr (is_default_constructible_v<simd<_I, _Abi>>)
2964 simd<_I, _Abi>(__private_init, __wrapper_bitcast<_I>(__data(__k))));
2966 return -
reduce(__bit_cast<rebind_simd_t<_I, simd<_Tp, _Abi>>>(
2967 simd<_Tp, _Abi>(__private_init, __data(__k))));
2972 template <
typename _Tp>
2973 _GLIBCXX_SIMD_INTRINSIC
static int
2974 _S_find_first_set(simd_mask<_Tp, _Abi> __k)
2976 return std::__countr_zero(
2977 _SuperImpl::_S_to_bits(__data(__k))._M_to_bits());
2982 template <
typename _Tp>
2983 _GLIBCXX_SIMD_INTRINSIC
static int
2984 _S_find_last_set(simd_mask<_Tp, _Abi> __k)
2986 return std::__bit_width(
2987 _SuperImpl::_S_to_bits(__data(__k))._M_to_bits()) - 1;
2994_GLIBCXX_SIMD_END_NAMESPACE
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
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.