25#ifndef _GLIBCXX_EXPERIMENTAL_SIMD_H
26#define _GLIBCXX_EXPERIMENTAL_SIMD_H
28#if __cplusplus >= 201703L
30#include "simd_detail.h"
34#ifdef _GLIBCXX_DEBUG_UB
44#if _GLIBCXX_SIMD_X86INTRIN
46#elif _GLIBCXX_SIMD_HAVE_NEON
47#pragma GCC diagnostic push
50#pragma GCC diagnostic ignored "-Wnarrowing"
52#pragma GCC diagnostic pop
54#if _GLIBCXX_SIMD_HAVE_SVE
81_GLIBCXX_SIMD_BEGIN_NAMESPACE
83#if !_GLIBCXX_SIMD_X86INTRIN
84using __m128 [[__gnu__::__vector_size__(16)]] = float;
85using __m128d [[__gnu__::__vector_size__(16)]] = double;
86using __m128i [[__gnu__::__vector_size__(16)]] =
long long;
87using __m256 [[__gnu__::__vector_size__(32)]] = float;
88using __m256d [[__gnu__::__vector_size__(32)]] = double;
89using __m256i [[__gnu__::__vector_size__(32)]] =
long long;
90using __m512 [[__gnu__::__vector_size__(64)]] = float;
91using __m512d [[__gnu__::__vector_size__(64)]] = double;
92using __m512i [[__gnu__::__vector_size__(64)]] =
long long;
95#if _GLIBCXX_SIMD_HAVE_SVE
96constexpr inline int __sve_vectorized_size_bytes = __ARM_FEATURE_SVE_BITS / 8;
98constexpr inline int __sve_vectorized_size_bytes = 0;
120template <
int _UsedBytes>
123template <
int _UsedBytes>
124 struct _VecBltnBtmsk;
126template <
int _UsedBytes,
int _TotalBytes = __sve_vectorized_size_
bytes>
129template <
typename _Tp,
int _Np>
130 using _VecN = _VecBuiltin<
sizeof(_Tp) * _Np>;
132template <
int _UsedBytes = 16>
133 using _Sse = _VecBuiltin<_UsedBytes>;
135template <
int _UsedBytes = 32>
136 using _Avx = _VecBuiltin<_UsedBytes>;
138template <
int _UsedBytes = 64>
139 using _Avx512 = _VecBltnBtmsk<_UsedBytes>;
141template <
int _UsedBytes = 16>
142 using _Neon = _VecBuiltin<_UsedBytes>;
144template <
int _UsedBytes = __sve_vectorized_size_
bytes>
145 using _Sve = _SveAbi<_UsedBytes, __sve_vectorized_size_bytes>;
150using __avx512 = _Avx512<>;
151using __neon = _Neon<>;
152using __neon128 = _Neon<16>;
153using __neon64 = _Neon<8>;
157template <
typename _Tp,
size_t _Np,
typename...>
161 using fixed_size = _Fixed<_Np>;
163using scalar = _Scalar;
168template <
typename _Tp>
171template <
typename _Tp>
174template <
typename _Tp,
typename _Abi>
177template <
typename _Tp,
typename _Abi>
180template <
typename _Tp,
typename _Abi>
185struct element_aligned_tag
187 template <
typename _Tp,
typename _Up =
typename _Tp::value_type>
188 static constexpr size_t _S_alignment =
alignof(_Up);
190 template <
typename _Tp,
typename _Up>
191 _GLIBCXX_SIMD_INTRINSIC
static constexpr _Up*
196struct vector_aligned_tag
198 template <
typename _Tp,
typename _Up =
typename _Tp::value_type>
199 static constexpr size_t _S_alignment
202 template <
typename _Tp,
typename _Up>
203 _GLIBCXX_SIMD_INTRINSIC
static constexpr _Up*
205 {
return static_cast<_Up*
>(__builtin_assume_aligned(__ptr, _S_alignment<_Tp, _Up>)); }
208template <
size_t _Np>
struct overaligned_tag
210 template <
typename _Tp,
typename _Up =
typename _Tp::value_type>
211 static constexpr size_t _S_alignment = _Np;
213 template <
typename _Tp,
typename _Up>
214 _GLIBCXX_SIMD_INTRINSIC
static constexpr _Up*
216 {
return static_cast<_Up*
>(__builtin_assume_aligned(__ptr, _Np)); }
219inline constexpr element_aligned_tag element_aligned = {};
221inline constexpr vector_aligned_tag vector_aligned = {};
224 inline constexpr overaligned_tag<_Np> overaligned = {};
228 using _SizeConstant = integral_constant<size_t, _Xp>;
230constexpr inline bool __have_mmx = _GLIBCXX_SIMD_HAVE_MMX;
231constexpr inline bool __have_sse = _GLIBCXX_SIMD_HAVE_SSE;
232constexpr inline bool __have_sse2 = _GLIBCXX_SIMD_HAVE_SSE2;
233constexpr inline bool __have_sse3 = _GLIBCXX_SIMD_HAVE_SSE3;
234constexpr inline bool __have_ssse3 = _GLIBCXX_SIMD_HAVE_SSSE3;
235constexpr inline bool __have_sse4_1 = _GLIBCXX_SIMD_HAVE_SSE4_1;
236constexpr inline bool __have_sse4_2 = _GLIBCXX_SIMD_HAVE_SSE4_2;
237constexpr inline bool __have_xop = _GLIBCXX_SIMD_HAVE_XOP;
238constexpr inline bool __have_avx = _GLIBCXX_SIMD_HAVE_AVX;
239constexpr inline bool __have_avx2 = _GLIBCXX_SIMD_HAVE_AVX2;
240constexpr inline bool __have_bmi = _GLIBCXX_SIMD_HAVE_BMI1;
241constexpr inline bool __have_bmi2 = _GLIBCXX_SIMD_HAVE_BMI2;
242constexpr inline bool __have_lzcnt = _GLIBCXX_SIMD_HAVE_LZCNT;
243constexpr inline bool __have_sse4a = _GLIBCXX_SIMD_HAVE_SSE4A;
244constexpr inline bool __have_fma = _GLIBCXX_SIMD_HAVE_FMA;
245constexpr inline bool __have_fma4 = _GLIBCXX_SIMD_HAVE_FMA4;
246constexpr inline bool __have_f16c = _GLIBCXX_SIMD_HAVE_F16C;
247constexpr inline bool __have_popcnt = _GLIBCXX_SIMD_HAVE_POPCNT;
248constexpr inline bool __have_avx512f = _GLIBCXX_SIMD_HAVE_AVX512F;
249constexpr inline bool __have_avx512dq = _GLIBCXX_SIMD_HAVE_AVX512DQ;
250constexpr inline bool __have_avx512vl = _GLIBCXX_SIMD_HAVE_AVX512VL;
251constexpr inline bool __have_avx512bw = _GLIBCXX_SIMD_HAVE_AVX512BW;
252constexpr inline bool __have_avx512dq_vl = __have_avx512dq && __have_avx512vl;
253constexpr inline bool __have_avx512bw_vl = __have_avx512bw && __have_avx512vl;
254constexpr inline bool __have_avx512bitalg = _GLIBCXX_SIMD_HAVE_AVX512BITALG;
255constexpr inline bool __have_avx512vbmi2 = _GLIBCXX_SIMD_HAVE_AVX512VBMI2;
256constexpr inline bool __have_avx512vbmi = _GLIBCXX_SIMD_HAVE_AVX512VBMI;
257constexpr inline bool __have_avx512ifma = _GLIBCXX_SIMD_HAVE_AVX512IFMA;
258constexpr inline bool __have_avx512cd = _GLIBCXX_SIMD_HAVE_AVX512CD;
259constexpr inline bool __have_avx512vnni = _GLIBCXX_SIMD_HAVE_AVX512VNNI;
260constexpr inline bool __have_avx512vpopcntdq = _GLIBCXX_SIMD_HAVE_AVX512VPOPCNTDQ;
261constexpr inline bool __have_avx512vp2intersect = _GLIBCXX_SIMD_HAVE_AVX512VP2INTERSECT;
263constexpr inline bool __have_neon = _GLIBCXX_SIMD_HAVE_NEON;
264constexpr inline bool __have_neon_a32 = _GLIBCXX_SIMD_HAVE_NEON_A32;
265constexpr inline bool __have_neon_a64 = _GLIBCXX_SIMD_HAVE_NEON_A64;
266constexpr inline bool __support_neon_float =
267#if defined __GCC_IEC_559
269#elif defined __FAST_MATH__
275constexpr inline bool __have_sve = _GLIBCXX_SIMD_HAVE_SVE;
276constexpr inline bool __have_sve2 = _GLIBCXX_SIMD_HAVE_SVE2;
279constexpr inline bool __have_power10vec =
true;
281constexpr inline bool __have_power10vec =
false;
283#ifdef __POWER9_VECTOR__
284constexpr inline bool __have_power9vec =
true;
286constexpr inline bool __have_power9vec =
false;
288#if defined __POWER8_VECTOR__
289constexpr inline bool __have_power8vec =
true;
291constexpr inline bool __have_power8vec = __have_power9vec;
294constexpr inline bool __have_power_vsx =
true;
296constexpr inline bool __have_power_vsx = __have_power8vec;
298#if defined __ALTIVEC__
299constexpr inline bool __have_power_vmx =
true;
301constexpr inline bool __have_power_vmx = __have_power_vsx;
308#ifdef math_errhandling
312 template <
int = math_errhandling>
314 __handle_fpexcept_impl(
int)
315 {
return math_errhandling & MATH_ERREXCEPT; }
321 __handle_fpexcept_impl(
float)
323#if defined __FAST_MATH__
331 static constexpr bool _S_handle_fpexcept = __handle_fpexcept_impl(0);
334 __floating_point_flags()
337 if constexpr (_S_handle_fpexcept)
341#elif __FINITE_MATH_ONLY__
343#elif __GCC_IEC_559 < 2
346 __flags |= (__FLT_EVAL_METHOD__ + 1) << 3;
353 if constexpr (__have_mmx || __have_sse)
358 | (__have_ssse3 << 4)
359 | (__have_sse4_1 << 5)
360 | (__have_sse4_2 << 6)
365 | (__have_bmi2 << 11)
366 | (__have_lzcnt << 12)
367 | (__have_sse4a << 13)
369 | (__have_fma4 << 15)
370 | (__have_f16c << 16)
371 | (__have_popcnt << 17)
372 | (__have_avx512f << 18)
373 | (__have_avx512dq << 19)
374 | (__have_avx512vl << 20)
375 | (__have_avx512bw << 21)
376 | (__have_avx512bitalg << 22)
377 | (__have_avx512vbmi2 << 23)
378 | (__have_avx512vbmi << 24)
379 | (__have_avx512ifma << 25)
380 | (__have_avx512cd << 26)
381 | (__have_avx512vnni << 27)
382 | (__have_avx512vpopcntdq << 28)
383 | (__have_avx512vp2intersect << 29);
384 else if constexpr (__have_neon || __have_sve)
386 | (__have_neon_a32 << 1)
387 | (__have_neon_a64 << 2)
388 | (__have_neon_a64 << 2)
389 | (__support_neon_float << 3)
391 | (__have_sve2 << 5);
392 else if constexpr (__have_power_vmx)
393 return __have_power_vmx
394 | (__have_power_vsx << 1)
395 | (__have_power8vec << 2)
396 | (__have_power9vec << 3)
397 | (__have_power10vec << 4);
404 struct _OdrEnforcer {};
408 struct _MachineFlagsTemplate {};
421 _MachineFlagsTemplate<__machine_flags(), __floating_point_flags()>>;
425 template <
typename _Tp>
426 _GLIBCXX_SIMD_INTRINSIC
constexpr
428 operator()(_Tp __a, _Tp __b)
const
431 return min(__a, __b);
437 template <
typename _Tp>
438 _GLIBCXX_SIMD_INTRINSIC
constexpr
440 operator()(_Tp __a, _Tp __b)
const
443 return max(__a, __b);
450template <
typename _Fp,
size_t... _I>
451 [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC
constexpr
453 __execute_on_index_sequence(_Fp&& __f, index_sequence<_I...>)
454 { ((void)__f(_SizeConstant<_I>()), ...); }
456template <
typename _Fp>
457 _GLIBCXX_SIMD_INTRINSIC
constexpr void
458 __execute_on_index_sequence(_Fp&&, index_sequence<>)
461template <
size_t _Np,
typename _Fp>
462 _GLIBCXX_SIMD_INTRINSIC
constexpr void
463 __execute_n_times(_Fp&& __f)
465 __execute_on_index_sequence(
static_cast<_Fp&&
>(__f),
466 make_index_sequence<_Np>{});
471template <
typename _R,
typename _Fp,
size_t... _I>
472 [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC
constexpr
474 __execute_on_index_sequence_with_return(_Fp&& __f, index_sequence<_I...>)
475 {
return _R{__f(_SizeConstant<_I>())...}; }
477template <
size_t _Np,
typename _R,
typename _Fp>
478 _GLIBCXX_SIMD_INTRINSIC
constexpr _R
479 __generate_from_n_evaluations(_Fp&& __f)
481 return __execute_on_index_sequence_with_return<_R>(
482 static_cast<_Fp&&
>(__f), make_index_sequence<_Np>{});
487template <
size_t... _I,
typename _F0,
typename _FArgs>
488 [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC
constexpr
490 __call_with_n_evaluations(index_sequence<_I...>, _F0&& __f0, _FArgs&& __fargs)
491 {
return __f0(__fargs(_SizeConstant<_I>())...); }
493template <
size_t _Np,
typename _F0,
typename _FArgs>
494 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
495 __call_with_n_evaluations(_F0&& __f0, _FArgs&& __fargs)
497 return __call_with_n_evaluations(make_index_sequence<_Np>{},
498 static_cast<_F0&&
>(__f0),
499 static_cast<_FArgs&&
>(__fargs));
504template <
size_t _First = 0,
size_t... _It,
typename _Tp,
typename _Fp>
505 [[__gnu__::__flatten__]] _GLIBCXX_SIMD_INTRINSIC
constexpr
507 __call_with_subscripts(_Tp&& __x, index_sequence<_It...>, _Fp&& __fun)
508 {
return __fun(__x[_First + _It]...); }
510template <
size_t _Np,
size_t _First = 0,
typename _Tp,
typename _Fp>
511 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
512 __call_with_subscripts(_Tp&& __x, _Fp&& __fun)
514 return __call_with_subscripts<_First>(
static_cast<_Tp&&
>(__x),
515 make_index_sequence<_Np>(),
516 static_cast<_Fp&&
>(__fun));
523using _UChar =
unsigned char;
524using _SChar =
signed char;
525using _UShort =
unsigned short;
526using _UInt =
unsigned int;
527using _ULong =
unsigned long;
528using _ULLong =
unsigned long long;
529using _LLong =
long long;
533template <
typename _T0,
typename...>
534 struct __first_of_pack
535 {
using type = _T0; };
537template <
typename... _Ts>
538 using __first_of_pack_t =
typename __first_of_pack<_Ts...>::type;
542template <
typename _Tp>
543 typename _Tp::value_type
544 __value_type_or_identity_impl(
int);
546template <
typename _Tp>
548 __value_type_or_identity_impl(
float);
550template <
typename _Tp>
551 using __value_type_or_identity_t
552 =
decltype(__value_type_or_identity_impl<_Tp>(
int()));
556template <
typename _Tp>
557 struct __is_vectorizable :
public is_arithmetic<_Tp> {};
560 struct __is_vectorizable<bool> :
public false_type {};
562template <
typename _Tp>
563 inline constexpr bool __is_vectorizable_v = __is_vectorizable<_Tp>::value;
566template <
typename _Tp,
typename = enable_if_t<__is_vectorizable_v<_Tp>>>
567 using _Vectorizable = _Tp;
571template <
typename _Ptr,
typename _ValueType>
572 struct __is_possible_loadstore_conversion
573 : conjunction<__is_vectorizable<_Ptr>, __is_vectorizable<_ValueType>> {};
576 struct __is_possible_loadstore_conversion<bool, bool> :
true_type {};
579template <
typename _Ptr,
typename _ValueType,
581 __is_possible_loadstore_conversion<_Ptr, _ValueType>::value>>
582 using _LoadStorePtr = _Ptr;
586template <
typename _Tp,
typename =
void_t<>>
589template <
typename _Tp>
590 inline constexpr bool __is_bitmask_v = __is_bitmask<_Tp>::value;
593template <
typename _Tp>
594 struct __is_bitmask<_Tp,
595 void_t<decltype(
declval<unsigned&>() = declval<_Tp>() & 1u)>>
600#pragma GCC diagnostic push
601#pragma GCC diagnostic ignored "-Wpedantic"
602template <
size_t _Bytes>
606 static_assert(_Bytes > 0);
607 if constexpr (_Bytes ==
sizeof(int))
609 else if constexpr (_Bytes ==
sizeof(_SChar))
611 else if constexpr (_Bytes ==
sizeof(short))
613 else if constexpr (_Bytes ==
sizeof(long))
615 else if constexpr (_Bytes ==
sizeof(_LLong))
617 #ifdef __SIZEOF_INT128__
618 else if constexpr (_Bytes ==
sizeof(__int128))
621 else if constexpr (_Bytes %
sizeof(int) == 0)
623 constexpr size_t _Np = _Bytes /
sizeof(int);
628 _GLIBCXX_SIMD_INTRINSIC
constexpr _Ip
631 return __generate_from_n_evaluations<_Np, _Ip>(
632 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
633 return __rhs._M_data[__i] & _M_data[__i];
637 _GLIBCXX_SIMD_INTRINSIC
constexpr _Ip
640 return __generate_from_n_evaluations<_Np, _Ip>(
641 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
642 return __rhs._M_data[__i] | _M_data[__i];
646 _GLIBCXX_SIMD_INTRINSIC
constexpr _Ip
649 return __generate_from_n_evaluations<_Np, _Ip>(
650 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
651 return __rhs._M_data[__i] ^ _M_data[__i];
655 _GLIBCXX_SIMD_INTRINSIC
constexpr _Ip
658 return __generate_from_n_evaluations<_Np, _Ip>(
659 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
return ~_M_data[__i]; });
665 static_assert(_Bytes == 0,
"this should be unreachable");
667#pragma GCC diagnostic pop
669template <
typename _Tp>
670 using __int_for_sizeof_t =
decltype(__int_for_sizeof<sizeof(_Tp)>());
673 using __int_with_sizeof_t =
decltype(__int_for_sizeof<_Np>());
677template <
typename _Tp>
681 struct __is_fixed_size_abi<simd_abi::fixed_size<_Np>> :
true_type {};
683template <
typename _Tp>
684 inline constexpr bool __is_fixed_size_abi_v = __is_fixed_size_abi<_Tp>::value;
688template <
typename _Abi>
691 {
return is_same_v<simd_abi::scalar, _Abi>; }
695template <
template <
int>
class _Abi,
int _Bytes>
697 __abi_bytes_impl(_Abi<_Bytes>*)
700template <
typename _Tp>
702 __abi_bytes_impl(_Tp*)
705template <
typename _Abi>
706 inline constexpr int __abi_bytes_v
707 = __abi_bytes_impl(
static_cast<_Abi*
>(
nullptr));
711template <
typename _Abi>
713 __is_builtin_bitmask_abi()
714 {
return is_same_v<simd_abi::_VecBltnBtmsk<__abi_bytes_v<_Abi>>, _Abi>; }
718template <
typename _Abi>
722 constexpr auto _Bytes = __abi_bytes_v<_Abi>;
723 return _Bytes <= 16 && is_same_v<simd_abi::_VecBuiltin<_Bytes>, _Abi>;
728template <
typename _Abi>
732 constexpr auto _Bytes = __abi_bytes_v<_Abi>;
733 return _Bytes > 16 && _Bytes <= 32
734 && is_same_v<simd_abi::_VecBuiltin<_Bytes>, _Abi>;
739template <
typename _Abi>
743 constexpr auto _Bytes = __abi_bytes_v<_Abi>;
744 return _Bytes <= 64 && is_same_v<simd_abi::_Avx512<_Bytes>, _Abi>;
749template <
typename _Abi>
753 constexpr auto _Bytes = __abi_bytes_v<_Abi>;
754 return _Bytes <= 16 && is_same_v<simd_abi::_VecBuiltin<_Bytes>, _Abi>;
759template <
typename _Abi>
763 constexpr auto _Bytes = __abi_bytes_v<_Abi>;
764 return _Bytes <= __sve_vectorized_size_bytes && is_same_v<simd_abi::_Sve<_Bytes>, _Abi>;
769template <
typename,
typename _Up>
770 struct __make_dependent
771 {
using type = _Up; };
773template <
typename _Tp,
typename _Up>
774 using __make_dependent_t =
typename __make_dependent<_Tp, _Up>::type;
780template <
typename... _Args>
781 [[noreturn]] _GLIBCXX_SIMD_ALWAYS_INLINE
void
782 __invoke_ub([[maybe_unused]]
const char* __msg, [[maybe_unused]]
const _Args&... __args)
784#ifdef _GLIBCXX_DEBUG_UB
785 __builtin_fprintf(stderr, __msg, __args...);
788 __builtin_unreachable();
794template <
typename _Tp>
795 struct __assert_unreachable
796 {
static_assert(!is_same_v<_Tp, _Tp>,
"this should be unreachable"); };
800template <typename _Tp, typename _Ap, size_t _Np = simd_size<_Tp, _Ap>::value>
802 __size_or_zero_dispatch(
int)
805template <
typename _Tp,
typename _Ap>
807 __size_or_zero_dispatch(
float)
810template <
typename _Tp,
typename _Ap>
811 inline constexpr size_t __size_or_zero_v
812 = __size_or_zero_dispatch<_Tp, _Ap>(0);
816inline constexpr size_t
817__div_roundup(
size_t __a,
size_t __b)
818{
return (__a + __b - 1) / __b; }
827 _GLIBCXX_SIMD_INTRINSIC
constexpr
828 _ExactBool(
bool __b) : _M_data(__b) {}
830 _ExactBool(
int) =
delete;
832 _GLIBCXX_SIMD_INTRINSIC
constexpr
833 operator bool()
const
844template <
typename _Tp>
845 using __may_alias [[__gnu__::__may_alias__]] = _Tp;
850struct _UnsupportedBase
852 _UnsupportedBase() =
delete;
853 _UnsupportedBase(
const _UnsupportedBase&) =
delete;
854 _UnsupportedBase& operator=(
const _UnsupportedBase&) =
delete;
855 ~_UnsupportedBase() =
delete;
871 using _SimdBase = _UnsupportedBase;
872 using _MaskBase = _UnsupportedBase;
874 static constexpr size_t _S_full_size = 0;
875 static constexpr bool _S_is_partial =
false;
877 static constexpr size_t _S_simd_align = 1;
879 struct _SimdMember {};
880 struct _SimdCastType;
882 static constexpr size_t _S_mask_align = 1;
884 struct _MaskMember {};
885 struct _MaskCastType;
890template <
typename _Tp,
typename _Abi,
typename =
void_t<>>
891 struct _SimdTraits : _InvalidTraits {};
899inline constexpr struct _PrivateInit {} __private_init = {};
901inline constexpr struct _BitsetInit {} __bitset_init = {};
905template <
typename _From,
typename _To,
bool = is_arithmetic_v<_From>,
906 bool = is_arithmetic_v<_To>>
907 struct __is_narrowing_conversion;
911template <
typename _From,
typename _To>
912 struct __is_narrowing_conversion<_From, _To, true, true>
913 :
public __bool_constant<(
914 __digits_v<_From> > __digits_v<_To>
915 || __finite_max_v<_From> > __finite_max_v<_To>
916 || __finite_min_v<_From> < __finite_min_v<_To>
917 || (is_signed_v<_From> && is_unsigned_v<_To>))> {};
919template <
typename _Tp>
920 struct __is_narrowing_conversion<_Tp, bool, true, true>
924 struct __is_narrowing_conversion<bool, bool, true, true>
927template <
typename _Tp>
928 struct __is_narrowing_conversion<_Tp, _Tp, true, true>
931template <
typename _From,
typename _To>
932 struct __is_narrowing_conversion<_From, _To, false, true>
933 :
public negation<is_convertible<_From, _To>> {};
937template <
typename _From,
typename _To,
bool = (sizeof(_From) < sizeof(_To))>
938 struct __converts_to_higher_
integer_rank : public true_type {};
941template <
typename _From,
typename _To>
942 struct __converts_to_higher_integer_rank<_From, _To, false>
943 :
public is_same<decltype(declval<_From>() + declval<_To>()), _To> {};
947template <
typename _Tp,
typename _Ap>
948 _GLIBCXX_SIMD_INTRINSIC
constexpr const auto&
949 __data(
const simd<_Tp, _Ap>& __x);
951template <
typename _Tp,
typename _Ap>
952 _GLIBCXX_SIMD_INTRINSIC
constexpr auto&
953 __data(simd<_Tp, _Ap>& __x);
955template <
typename _Tp,
typename _Ap>
956 _GLIBCXX_SIMD_INTRINSIC
constexpr const auto&
957 __data(
const simd_mask<_Tp, _Ap>& __x);
959template <
typename _Tp,
typename _Ap>
960 _GLIBCXX_SIMD_INTRINSIC
constexpr auto&
961 __data(simd_mask<_Tp, _Ap>& __x);
965template <
typename _FromT,
typename _FromA,
typename _ToT,
typename _ToA,
967 struct _SimdConverter;
969template <
typename _Tp,
typename _Ap>
970 struct _SimdConverter<_Tp, _Ap, _Tp, _Ap, void>
972 template <
typename _Up>
973 _GLIBCXX_SIMD_INTRINSIC
const _Up&
974 operator()(
const _Up& __x)
980template <
typename _V>
981 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
982 __to_value_type_or_member_type(
const _V& __x) ->
decltype(__data(__x))
983 {
return __data(__x); }
985template <
typename _V>
986 _GLIBCXX_SIMD_INTRINSIC
constexpr const typename _V::value_type&
987 __to_value_type_or_member_type(
const typename _V::value_type& __x)
992template <
size_t _Size>
993 struct __bool_storage_member_type;
995template <
size_t _Size>
996 using __bool_storage_member_type_t =
997 typename __bool_storage_member_type<_Size>::type;
1007template <
typename _Tp,
typename... _Abis>
1012template <
typename _Tp,
int _Np>
1013 struct __fixed_size_storage;
1015template <
typename _Tp,
int _Np>
1016 using __fixed_size_storage_t =
typename __fixed_size_storage<_Tp, _Np>::type;
1020template <
typename _Tp,
size_t _Size,
typename =
void_t<>>
1021 struct _SimdWrapper;
1023template <
typename _Tp>
1024 using _SimdWrapper8 = _SimdWrapper<_Tp, 8 /
sizeof(_Tp)>;
1025template <
typename _Tp>
1026 using _SimdWrapper16 = _SimdWrapper<_Tp, 16 /
sizeof(_Tp)>;
1027template <
typename _Tp>
1028 using _SimdWrapper32 = _SimdWrapper<_Tp, 32 /
sizeof(_Tp)>;
1029template <
typename _Tp>
1030 using _SimdWrapper64 = _SimdWrapper<_Tp, 64 /
sizeof(_Tp)>;
1032template <
typename _Tp,
size_t _W
idth>
1033 struct _SveSimdWrapper;
1037template <
typename _Tp>
1040template <
typename _Tp,
size_t _Np>
1041 struct __is_simd_wrapper<_SimdWrapper<_Tp, _Np>> :
true_type {};
1043template <
typename _Tp>
1044 inline constexpr bool __is_simd_wrapper_v = __is_simd_wrapper<_Tp>::value;
1051 template <
typename _Tp,
typename _Fp>
1053 _S_bit_iteration(_Tp __mask, _Fp&& __f)
1055 static_assert(
sizeof(_ULLong) >=
sizeof(_Tp));
1056 conditional_t<
sizeof(_Tp) <=
sizeof(_UInt), _UInt, _ULLong> __k;
1057 if constexpr (is_convertible_v<_Tp,
decltype(__k)>)
1060 __k = __mask.to_ullong();
1073template <
typename _Tp =
void>
1075 {
constexpr _Tp operator()(_Tp __a)
const {
return ++__a; } };
1078 struct __increment<void>
1080 template <
typename _Tp>
1082 operator()(_Tp __a)
const
1086template <
typename _Tp =
void>
1088 {
constexpr _Tp operator()(_Tp __a)
const {
return --__a; } };
1091 struct __decrement<void>
1093 template <
typename _Tp>
1095 operator()(_Tp __a)
const
1101template <
typename _From,
typename _To,
1103 __is_narrowing_conversion<__remove_cvref_t<_From>, _To>>::value>>
1104 using _ValuePreserving = _From;
1106template <
typename _From,
typename _To,
1107 typename _DecayedFrom = __remove_cvref_t<_From>,
1109 is_convertible<_From, _To>,
1111 is_same<_DecayedFrom, _To>, is_same<_DecayedFrom, int>,
1112 conjunction<is_same<_DecayedFrom, _UInt>, is_unsigned<_To>>,
1113 negation<__is_narrowing_conversion<_DecayedFrom, _To>>>>::value>>
1114 using _ValuePreservingOrInt = _From;
1118template <
typename _Tp,
size_t _Bytes,
typename =
void_t<>>
1119 struct __intrinsic_type;
1121template <
typename _Tp,
size_t _Size>
1122 using __intrinsic_type_t =
1123 typename __intrinsic_type<_Tp, _Size *
sizeof(_Tp)>::type;
1125template <
typename _Tp>
1126 using __intrinsic_type2_t =
typename __intrinsic_type<_Tp, 2>::type;
1127template <
typename _Tp>
1128 using __intrinsic_type4_t =
typename __intrinsic_type<_Tp, 4>::type;
1129template <
typename _Tp>
1130 using __intrinsic_type8_t =
typename __intrinsic_type<_Tp, 8>::type;
1131template <
typename _Tp>
1132 using __intrinsic_type16_t =
typename __intrinsic_type<_Tp, 16>::type;
1133template <
typename _Tp>
1134 using __intrinsic_type32_t =
typename __intrinsic_type<_Tp, 32>::type;
1135template <
typename _Tp>
1136 using __intrinsic_type64_t =
typename __intrinsic_type<_Tp, 64>::type;
1140template <
size_t _Np,
bool _Sanitized = false>
1143template <
size_t _Np,
bool _Sanitized>
1144 struct __is_bitmask<_BitMask<_Np, _Sanitized>, void> :
true_type {};
1146template <
size_t _Np>
1147 using _SanitizedBitMask = _BitMask<_Np, true>;
1149template <
size_t _Np,
bool _Sanitized>
1152 static_assert(_Np > 0);
1154 static constexpr size_t _NBytes = __div_roundup(_Np, __CHAR_BIT__);
1160 static constexpr int _S_array_size = __div_roundup(_NBytes,
sizeof(_Tp));
1162 _Tp _M_bits[_S_array_size];
1164 static constexpr int _S_unused_bits
1165 = _Np == 1 ? 0 : _S_array_size *
sizeof(_Tp) * __CHAR_BIT__ - _Np;
1167 static constexpr _Tp _S_bitmask = +_Tp(~_Tp()) >> _S_unused_bits;
1169 constexpr _BitMask() noexcept = default;
1171 constexpr _BitMask(
unsigned long long __x) noexcept
1172 : _M_bits{
static_cast<_Tp
>(__x)} {}
1174 _BitMask(bitset<_Np> __x) noexcept : _BitMask(__x.to_ullong()) {}
1176 constexpr _BitMask(
const _BitMask&)
noexcept =
default;
1178 template <
bool _RhsSanitized,
typename =
enable_if_t<_RhsSanitized ==
false
1179 && _Sanitized ==
true>>
1180 constexpr _BitMask(
const _BitMask<_Np, _RhsSanitized>& __rhs) noexcept
1181 : _BitMask(__rhs._M_sanitized()) {}
1183 constexpr operator _SimdWrapper<bool, _Np>() const noexcept
1185 static_assert(_S_array_size == 1);
1191 _M_to_bits() const noexcept
1193 static_assert(_S_array_size == 1);
1198 constexpr unsigned long long
1199 to_ullong() const noexcept
1201 static_assert(_S_array_size == 1);
1206 constexpr unsigned long
1207 to_ulong() const noexcept
1209 static_assert(_S_array_size == 1);
1213 constexpr bitset<_Np>
1214 _M_to_bitset() const noexcept
1216 static_assert(_S_array_size == 1);
1220 constexpr decltype(
auto)
1221 _M_sanitized()
const noexcept
1223 if constexpr (_Sanitized)
1225 else if constexpr (_Np == 1)
1226 return _SanitizedBitMask<_Np>(_M_bits[0]);
1229 _SanitizedBitMask<_Np> __r = {};
1230 for (
int __i = 0; __i < _S_array_size; ++__i)
1231 __r._M_bits[__i] = _M_bits[__i];
1232 if constexpr (_S_unused_bits > 0)
1233 __r._M_bits[_S_array_size - 1] &= _S_bitmask;
1238 template <
size_t _Mp,
bool _LSanitized>
1239 constexpr _BitMask<_Np + _Mp, _Sanitized>
1240 _M_prepend(_BitMask<_Mp, _LSanitized> __lsb)
const noexcept
1242 constexpr size_t _RN = _Np + _Mp;
1243 using _Rp = _BitMask<_RN, _Sanitized>;
1244 if constexpr (_Rp::_S_array_size == 1)
1246 _Rp __r{{_M_bits[0]}};
1247 __r._M_bits[0] <<= _Mp;
1248 __r._M_bits[0] |= __lsb._M_sanitized()._M_bits[0];
1252 __assert_unreachable<_Rp>();
1258 template <
size_t _DropLsb,
size_t _NewSize = _Np - _DropLsb>
1260 _M_extract() const noexcept
1262 static_assert(_Np > _DropLsb);
1263 static_assert(_DropLsb + _NewSize <=
sizeof(_ULLong) * __CHAR_BIT__,
1264 "not implemented for bitmasks larger than one ullong");
1265 if constexpr (_NewSize == 1)
1267 return _SanitizedBitMask<1>(_M_bits[0] & (_Tp(1) << _DropLsb));
1269 return _BitMask<_NewSize,
1270 ((_NewSize + _DropLsb ==
sizeof(_Tp) * __CHAR_BIT__
1271 && _NewSize + _DropLsb <= _Np)
1272 || ((_Sanitized || _Np ==
sizeof(_Tp) * __CHAR_BIT__)
1273 && _NewSize + _DropLsb >= _Np))>(_M_bits[0]
1279 all() const noexcept
1281 if constexpr (_Np == 1)
1283 else if constexpr (!_Sanitized)
1284 return _M_sanitized().all();
1287 constexpr _Tp __allbits = ~_Tp();
1288 for (
int __i = 0; __i < _S_array_size - 1; ++__i)
1289 if (_M_bits[__i] != __allbits)
1291 return _M_bits[_S_array_size - 1] == _S_bitmask;
1298 any() const noexcept
1300 if constexpr (_Np == 1)
1302 else if constexpr (!_Sanitized)
1303 return _M_sanitized().any();
1306 for (
int __i = 0; __i < _S_array_size - 1; ++__i)
1307 if (_M_bits[__i] != 0)
1309 return _M_bits[_S_array_size - 1] != 0;
1315 none() const noexcept
1317 if constexpr (_Np == 1)
1319 else if constexpr (!_Sanitized)
1320 return _M_sanitized().none();
1323 for (
int __i = 0; __i < _S_array_size - 1; ++__i)
1324 if (_M_bits[__i] != 0)
1326 return _M_bits[_S_array_size - 1] == 0;
1333 count() const noexcept
1335 if constexpr (_Np == 1)
1337 else if constexpr (!_Sanitized)
1338 return _M_sanitized().none();
1341 int __result = __builtin_popcountll(_M_bits[0]);
1342 for (
int __i = 1; __i < _S_array_size; ++__i)
1343 __result += __builtin_popcountll(_M_bits[__i]);
1350 operator[](
size_t __i)
const noexcept
1352 if constexpr (_Np == 1)
1354 else if constexpr (_S_array_size == 1)
1355 return (_M_bits[0] >> __i) & 1;
1358 const size_t __j = __i / (
sizeof(_Tp) * __CHAR_BIT__);
1359 const size_t __shift = __i % (
sizeof(_Tp) * __CHAR_BIT__);
1360 return (_M_bits[__j] >> __shift) & 1;
1364 template <
size_t __i>
1366 operator[](_SizeConstant<__i>)
const noexcept
1368 static_assert(__i < _Np);
1369 constexpr size_t __j = __i / (
sizeof(_Tp) * __CHAR_BIT__);
1370 constexpr size_t __shift = __i % (
sizeof(_Tp) * __CHAR_BIT__);
1371 return static_cast<bool>(_M_bits[__j] & (_Tp(1) << __shift));
1376 set(
size_t __i,
bool __x)
noexcept
1378 if constexpr (_Np == 1)
1380 else if constexpr (_S_array_size == 1)
1382 _M_bits[0] &= ~_Tp(_Tp(1) << __i);
1383 _M_bits[0] |= _Tp(_Tp(__x) << __i);
1387 const size_t __j = __i / (
sizeof(_Tp) * __CHAR_BIT__);
1388 const size_t __shift = __i % (
sizeof(_Tp) * __CHAR_BIT__);
1389 _M_bits[__j] &= ~_Tp(_Tp(1) << __shift);
1390 _M_bits[__j] |= _Tp(_Tp(__x) << __shift);
1394 template <
size_t __i>
1396 set(_SizeConstant<__i>,
bool __x)
noexcept
1398 static_assert(__i < _Np);
1399 if constexpr (_Np == 1)
1403 constexpr size_t __j = __i / (
sizeof(_Tp) * __CHAR_BIT__);
1404 constexpr size_t __shift = __i % (
sizeof(_Tp) * __CHAR_BIT__);
1405 constexpr _Tp __mask = ~_Tp(_Tp(1) << __shift);
1406 _M_bits[__j] &= __mask;
1407 _M_bits[__j] |= _Tp(_Tp(__x) << __shift);
1413 operator~() const noexcept
1415 if constexpr (_Np == 1)
1419 _BitMask __result{};
1420 for (
int __i = 0; __i < _S_array_size - 1; ++__i)
1421 __result._M_bits[__i] = ~_M_bits[__i];
1422 if constexpr (_Sanitized)
1423 __result._M_bits[_S_array_size - 1]
1424 = _M_bits[_S_array_size - 1] ^ _S_bitmask;
1426 __result._M_bits[_S_array_size - 1] = ~_M_bits[_S_array_size - 1];
1432 operator^=(
const _BitMask& __b) &
noexcept
1434 __execute_n_times<_S_array_size>(
1435 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { _M_bits[__i] ^= __b._M_bits[__i]; });
1440 operator|=(
const _BitMask& __b) &
noexcept
1442 __execute_n_times<_S_array_size>(
1443 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { _M_bits[__i] |= __b._M_bits[__i]; });
1448 operator&=(
const _BitMask& __b) &
noexcept
1450 __execute_n_times<_S_array_size>(
1451 [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { _M_bits[__i] &= __b._M_bits[__i]; });
1455 friend constexpr _BitMask
1456 operator^(
const _BitMask& __a,
const _BitMask& __b)
noexcept
1463 friend constexpr _BitMask
1464 operator|(
const _BitMask& __a,
const _BitMask& __b)
noexcept
1471 friend constexpr _BitMask
1472 operator&(
const _BitMask& __a,
const _BitMask& __b)
noexcept
1479 _GLIBCXX_SIMD_INTRINSIC
1481 _M_is_constprop()
const
1483 if constexpr (_S_array_size == 0)
1484 return __builtin_constant_p(_M_bits[0]);
1487 for (
int __i = 0; __i < _S_array_size; ++__i)
1488 if (!__builtin_constant_p(_M_bits[__i]))
1499template <
typename _Tp =
void>
1500 static inline constexpr int __min_vector_size = 2 *
sizeof(_Tp);
1502#if _GLIBCXX_SIMD_HAVE_NEON
1504 inline constexpr int __min_vector_size<void> = 8;
1507 inline constexpr int __min_vector_size<void> = 16;
1512template <
typename _Tp,
size_t _Np,
typename =
void>
1513 struct __vector_type_n {};
1516template <
typename _Tp>
1517 struct __vector_type_n<_Tp, 0, void> {};
1520template <
typename _Tp>
1521 struct __vector_type_n<_Tp, 1,
enable_if_t<__is_vectorizable_v<_Tp>>>
1522 {
using type = _Tp; };
1525template <
typename _Tp,
size_t _Np>
1526 struct __vector_type_n<_Tp, _Np,
enable_if_t<__is_vectorizable_v<_Tp> && _Np >= 2>>
1530 static constexpr size_t _S_Bytes =
1536 _S_Np2 < __min_vector_size<_Tp> ? __min_vector_size<_Tp>
1539 using type [[__gnu__::__vector_size__(_S_Bytes)]] = _Tp;
1542template <
typename _Tp,
size_t _Bytes,
size_t = _Bytes % sizeof(_Tp)>
1543 struct __vector_type;
1545template <
typename _Tp,
size_t _Bytes>
1546 struct __vector_type<_Tp, _Bytes, 0>
1547 : __vector_type_n<_Tp, _Bytes / sizeof(_Tp)> {};
1549template <
typename _Tp,
size_t _Size>
1550 using __vector_type_t =
typename __vector_type_n<_Tp, _Size>::type;
1552template <
typename _Tp>
1553 using __vector_type2_t =
typename __vector_type<_Tp, 2>::type;
1554template <
typename _Tp>
1555 using __vector_type4_t =
typename __vector_type<_Tp, 4>::type;
1556template <
typename _Tp>
1557 using __vector_type8_t =
typename __vector_type<_Tp, 8>::type;
1558template <
typename _Tp>
1559 using __vector_type16_t =
typename __vector_type<_Tp, 16>::type;
1560template <
typename _Tp>
1561 using __vector_type32_t =
typename __vector_type<_Tp, 32>::type;
1562template <
typename _Tp>
1563 using __vector_type64_t =
typename __vector_type<_Tp, 64>::type;
1567template <
typename _Tp,
typename =
void_t<>>
1570template <
typename _Tp>
1571 struct __is_vector_type<
1572 _Tp,
void_t<typename __vector_type<
1574 : is_same<_Tp, typename __vector_type<
1575 remove_reference_t<decltype(declval<_Tp>()[0])>,
1576 sizeof(_Tp)>::type> {};
1578template <
typename _Tp>
1579 inline constexpr bool __is_vector_type_v = __is_vector_type<_Tp>::value;
1583#if _GLIBCXX_SIMD_HAVE_SSE_ABI
1584template <
typename _Tp>
1585 using __is_intrinsic_type = __is_vector_type<_Tp>;
1587template <
typename _Tp,
typename =
void_t<>>
1590template <
typename _Tp>
1591 struct __is_intrinsic_type<
1592 _Tp,
void_t<typename __intrinsic_type<
1594 : is_same<_Tp, typename __intrinsic_type<
1595 remove_reference_t<decltype(declval<_Tp>()[0])>,
1596 sizeof(_Tp)>::type> {};
1599template <
typename _Tp>
1600 inline constexpr bool __is_intrinsic_type_v = __is_intrinsic_type<_Tp>::value;
1604template <
typename _Tp,
typename =
void_t<>>
1605 struct _VectorTraitsImpl;
1607template <
typename _Tp>
1608 struct _VectorTraitsImpl<_Tp,
enable_if_t<__is_vector_type_v<_Tp>
1609 || __is_intrinsic_type_v<_Tp>>>
1612 using value_type = remove_reference_t<decltype(declval<_Tp>()[0])>;
1613 static constexpr int _S_full_size =
sizeof(_Tp) /
sizeof(value_type);
1614 using _Wrapper = _SimdWrapper<value_type, _S_full_size>;
1615 template <
typename _Up,
int _W = _S_full_size>
1616 static constexpr bool _S_is
1617 = is_same_v<value_type, _Up> && _W == _S_full_size;
1620template <
typename _Tp,
size_t _Np>
1621 struct _VectorTraitsImpl<_SimdWrapper<_Tp, _Np>,
1622 void_t<__vector_type_t<_Tp, _Np>>>
1624 using type = __vector_type_t<_Tp, _Np>;
1625 using value_type = _Tp;
1626 static constexpr int _S_full_size =
sizeof(type) /
sizeof(value_type);
1627 using _Wrapper = _SimdWrapper<_Tp, _Np>;
1628 static constexpr bool _S_is_partial = (_Np == _S_full_size);
1629 static constexpr int _S_partial_width = _Np;
1630 template <
typename _Up,
int _W = _S_full_size>
1631 static constexpr bool _S_is
1632 = is_same_v<value_type, _Up>&& _W == _S_full_size;
1635template <typename _Tp, typename = typename _VectorTraitsImpl<_Tp>::type>
1636 using _VectorTraits = _VectorTraitsImpl<_Tp>;
1640template <
typename _V>
1641 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
1644 if constexpr (__is_vector_type_v<_V>)
1646 else if constexpr (is_simd<_V>::value || is_simd_mask<_V>::value)
1648 if constexpr (__is_fixed_size_abi_v<typename _V::abi_type>)
1650 static_assert(is_simd<_V>::value);
1651 static_assert(_V::abi_type::template __traits<
1652 typename _V::value_type>::_SimdMember::_S_tuple_size == 1);
1653 return __as_vector(__data(__x).first);
1655 else if constexpr (_V::size() > 1)
1656 return __data(__x)._M_data;
1659 static_assert(is_simd<_V>::value);
1660 using _Tp =
typename _V::value_type;
1662 constexpr auto __bytes =
sizeof(_Tp) == 8 ? 16 : sizeof(_Tp);
1663 using _RV [[__gnu__::__vector_size__(__bytes)]] = _Tp;
1665 using _RV [[__gnu__::__vector_size__(
sizeof(_Tp))]] = _Tp;
1667 return _RV{__data(__x)};
1670 else if constexpr (__is_vectorizable_v<_V>)
1671 return __vector_type_t<_V, 2>{__x};
1678template <
size_t _Np = 0,
typename _V>
1679 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
1680 __as_wrapper(_V __x)
1682 if constexpr (__is_vector_type_v<_V>)
1683 return _SimdWrapper<
typename _VectorTraits<_V>::value_type,
1684 (_Np > 0 ? _Np : _VectorTraits<_V>::_S_full_size)>(__x);
1685 else if constexpr (is_simd<_V>::value || is_simd_mask<_V>::value)
1687 static_assert(_V::size() == _Np);
1692 static_assert(_V::_S_size == _Np);
1699template <
typename _To,
typename _From>
1700 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
1701 __intrin_bitcast(_From __v)
1703 static_assert((__is_vector_type_v<_From> || __is_intrinsic_type_v<_From>)
1704 && (__is_vector_type_v<_To> || __is_intrinsic_type_v<_To>));
1705 if constexpr (
sizeof(_To) ==
sizeof(_From))
1706 return reinterpret_cast<_To
>(__v);
1707 else if constexpr (
sizeof(_From) >
sizeof(_To))
1708 if constexpr (
sizeof(_To) >= 16)
1709 return reinterpret_cast<const __may_alias<_To>&
>(__v);
1713 __builtin_memcpy(&__r, &__v,
sizeof(_To));
1716#if _GLIBCXX_SIMD_X86INTRIN && !defined __clang__
1717 else if constexpr (__have_avx &&
sizeof(_From) == 16 &&
sizeof(_To) == 32)
1718 return reinterpret_cast<_To
>(__builtin_ia32_ps256_ps(
1719 reinterpret_cast<__vector_type_t<float, 4>
>(__v)));
1720 else if constexpr (__have_avx512f &&
sizeof(_From) == 16
1721 &&
sizeof(_To) == 64)
1722 return reinterpret_cast<_To
>(__builtin_ia32_ps512_ps(
1723 reinterpret_cast<__vector_type_t<float, 4>
>(__v)));
1724 else if constexpr (__have_avx512f &&
sizeof(_From) == 32
1725 &&
sizeof(_To) == 64)
1726 return reinterpret_cast<_To
>(__builtin_ia32_ps512_256ps(
1727 reinterpret_cast<__vector_type_t<float, 8>
>(__v)));
1729 else if constexpr (
sizeof(__v) <= 8)
1730 return reinterpret_cast<_To
>(
1731 __vector_type_t<__int_for_sizeof_t<_From>,
sizeof(_To) /
sizeof(_From)>{
1732 reinterpret_cast<__int_for_sizeof_t<_From>
>(__v)});
1735 static_assert(
sizeof(_To) >
sizeof(_From));
1737 __builtin_memcpy(&__r, &__v,
sizeof(_From));
1744template <
typename _To,
size_t _NN = 0,
typename _From,
1745 typename _FromVT = _VectorTraits<_From>,
1746 size_t _Np = _NN == 0 ?
sizeof(_From) /
sizeof(_To) : _NN>
1747 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_To, _Np>
1748 __vector_bitcast(_From __x)
1750 using _R = __vector_type_t<_To, _Np>;
1751 return __intrin_bitcast<_R>(__x);
1754template <
typename _To,
size_t _NN = 0,
typename _Tp,
size_t _Nx,
1756 = _NN == 0 ?
sizeof(_SimdWrapper<_Tp, _Nx>) /
sizeof(_To) : _NN>
1757 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_To, _Np>
1758 __vector_bitcast(
const _SimdWrapper<_Tp, _Nx>& __x)
1760 static_assert(_Np > 1);
1761 return __intrin_bitcast<__vector_type_t<_To, _Np>>(__x._M_data);
1766#ifdef _GLIBCXX_SIMD_WORKAROUND_PR85048
1767template <
typename _To,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
1768 _To __convert_x86(_Tp);
1770template <
typename _To,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
1771 _To __convert_x86(_Tp, _Tp);
1773template <
typename _To,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
1774 _To __convert_x86(_Tp, _Tp, _Tp, _Tp);
1776template <
typename _To,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
1777 _To __convert_x86(_Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp);
1779template <
typename _To,
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
1780 _To __convert_x86(_Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp, _Tp,
1781 _Tp, _Tp, _Tp, _Tp);
1786template <
typename _To,
typename _From>
1787 _GLIBCXX_SIMD_INTRINSIC
constexpr _To
1788 __bit_cast(
const _From __x)
1790#if __has_builtin(__builtin_bit_cast)
1791 return __builtin_bit_cast(_To, __x);
1793 static_assert(
sizeof(_To) ==
sizeof(_From));
1794 constexpr bool __to_is_vectorizable
1795 = is_arithmetic_v<_To> || is_enum_v<_To>;
1796 constexpr bool __from_is_vectorizable
1797 = is_arithmetic_v<_From> || is_enum_v<_From>;
1798 if constexpr (__is_vector_type_v<_To> && __is_vector_type_v<_From>)
1799 return reinterpret_cast<_To
>(__x);
1800 else if constexpr (__is_vector_type_v<_To> && __from_is_vectorizable)
1802 using _FV [[__gnu__::__vector_size__(
sizeof(_From))]] = _From;
1803 return reinterpret_cast<_To
>(_FV{__x});
1805 else if constexpr (__to_is_vectorizable && __from_is_vectorizable)
1807 using _TV [[__gnu__::__vector_size__(
sizeof(_To))]] = _To;
1808 using _FV [[__gnu__::__vector_size__(
sizeof(_From))]] = _From;
1809 return reinterpret_cast<_TV
>(_FV{__x})[0];
1811 else if constexpr (__to_is_vectorizable && __is_vector_type_v<_From>)
1813 using _TV [[__gnu__::__vector_size__(
sizeof(_To))]] = _To;
1814 return reinterpret_cast<_TV
>(__x)[0];
1819 __builtin_memcpy(
reinterpret_cast<char*
>(&__r),
1820 reinterpret_cast<const char*
>(&__x),
sizeof(_To));
1828template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>,
1829 typename _R = __
intrinsic_type_t<
typename _TVT::value_type, _TVT::_S_full_size>>
1830 _GLIBCXX_SIMD_INTRINSIC
constexpr _R
1831 __to_intrin(_Tp __x)
1833 static_assert(
sizeof(__x) <=
sizeof(_R),
1834 "__to_intrin may never drop values off the end");
1835 if constexpr (
sizeof(__x) ==
sizeof(_R))
1836 return reinterpret_cast<_R
>(__as_vector(__x));
1839 using _Up = __int_for_sizeof_t<_Tp>;
1840 return reinterpret_cast<_R
>(
1841 __vector_type_t<_Up,
sizeof(_R) /
sizeof(_Up)>{__bit_cast<_Up>(__x)});
1847template <
typename _Tp,
typename... _Args>
1848 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_Tp,
sizeof...(_Args)>
1849 __make_vector(
const _Args&... __args)
1850 {
return __vector_type_t<_Tp,
sizeof...(_Args)>{
static_cast<_Tp
>(__args)...}; }
1854template <
size_t _Np,
typename _Tp,
size_t... _I>
1855 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_Tp, _Np>
1856 __vector_broadcast_impl(_Tp __x, index_sequence<_I...>)
1857 {
return __vector_type_t<_Tp, _Np>{((void)_I, __x)...}; }
1859template <
size_t _Np,
typename _Tp>
1860 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_Tp, _Np>
1861 __vector_broadcast(_Tp __x)
1862 {
return __vector_broadcast_impl<_Np, _Tp>(__x, make_index_sequence<_Np>()); }
1866 template <
typename _Tp,
size_t _Np,
typename _Gp,
size_t... _I>
1867 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_Tp, _Np>
1868 __generate_vector_impl(_Gp&& __gen, index_sequence<_I...>)
1869 {
return __vector_type_t<_Tp, _Np>{
static_cast<_Tp
>(__gen(_SizeConstant<_I>()))...}; }
1871template <
typename _V,
typename _VVT = _VectorTraits<_V>,
typename _Gp>
1872 _GLIBCXX_SIMD_INTRINSIC
constexpr _V
1873 __generate_vector(_Gp&& __gen)
1875 if constexpr (__is_vector_type_v<_V>)
1876 return __generate_vector_impl<
typename _VVT::value_type,
1877 _VVT::_S_full_size>(
1878 static_cast<_Gp&&
>(__gen), make_index_sequence<_VVT::_S_full_size>());
1880 return __generate_vector_impl<
typename _VVT::value_type,
1881 _VVT::_S_partial_width>(
1882 static_cast<_Gp&&
>(__gen),
1883 make_index_sequence<_VVT::_S_partial_width>());
1886template <
typename _Tp,
size_t _Np,
typename _Gp>
1887 _GLIBCXX_SIMD_INTRINSIC
constexpr __vector_type_t<_Tp, _Np>
1888 __generate_vector(_Gp&& __gen)
1890 return __generate_vector_impl<_Tp, _Np>(
static_cast<_Gp&&
>(__gen),
1891 make_index_sequence<_Np>());
1896template <
typename _TW>
1897 _GLIBCXX_SIMD_INTRINSIC
constexpr _TW
1898 __xor(_TW __a, _TW __b)
noexcept
1900 if constexpr (__is_vector_type_v<_TW> || __is_simd_wrapper_v<_TW>)
1902 using _Tp =
typename conditional_t<__is_simd_wrapper_v<_TW>, _TW,
1903 _VectorTraitsImpl<_TW>>::value_type;
1904 if constexpr (is_floating_point_v<_Tp>)
1906 using _Ip = make_unsigned_t<__int_for_sizeof_t<_Tp>>;
1907 return __vector_bitcast<_Tp>(__vector_bitcast<_Ip>(__a)
1908 ^ __vector_bitcast<_Ip>(__b));
1910 else if constexpr (__is_vector_type_v<_TW>)
1913 return __a._M_data ^ __b._M_data;
1921template <
typename _TW>
1922 _GLIBCXX_SIMD_INTRINSIC
constexpr _TW
1923 __or(_TW __a, _TW __b)
noexcept
1925 if constexpr (__is_vector_type_v<_TW> || __is_simd_wrapper_v<_TW>)
1927 using _Tp =
typename conditional_t<__is_simd_wrapper_v<_TW>, _TW,
1928 _VectorTraitsImpl<_TW>>::value_type;
1929 if constexpr (is_floating_point_v<_Tp>)
1931 using _Ip = make_unsigned_t<__int_for_sizeof_t<_Tp>>;
1932 return __vector_bitcast<_Tp>(__vector_bitcast<_Ip>(__a)
1933 | __vector_bitcast<_Ip>(__b));
1935 else if constexpr (__is_vector_type_v<_TW>)
1938 return __a._M_data | __b._M_data;
1946template <
typename _TW>
1947 _GLIBCXX_SIMD_INTRINSIC
constexpr _TW
1948 __and(_TW __a, _TW __b)
noexcept
1950 if constexpr (__is_vector_type_v<_TW> || __is_simd_wrapper_v<_TW>)
1952 using _Tp =
typename conditional_t<__is_simd_wrapper_v<_TW>, _TW,
1953 _VectorTraitsImpl<_TW>>::value_type;
1954 if constexpr (is_floating_point_v<_Tp>)
1956 using _Ip = make_unsigned_t<__int_for_sizeof_t<_Tp>>;
1957 return __vector_bitcast<_Tp>(__vector_bitcast<_Ip>(__a)
1958 & __vector_bitcast<_Ip>(__b));
1960 else if constexpr (__is_vector_type_v<_TW>)
1963 return __a._M_data & __b._M_data;
1971#if _GLIBCXX_SIMD_X86INTRIN && !defined __clang__
1972static constexpr struct
1974 _GLIBCXX_SIMD_INTRINSIC __v4sf
1975 operator()(__v4sf __a, __v4sf __b)
const noexcept
1976 {
return __builtin_ia32_andnps(__a, __b); }
1978 _GLIBCXX_SIMD_INTRINSIC __v2df
1979 operator()(__v2df __a, __v2df __b)
const noexcept
1980 {
return __builtin_ia32_andnpd(__a, __b); }
1982 _GLIBCXX_SIMD_INTRINSIC __v2di
1983 operator()(__v2di __a, __v2di __b)
const noexcept
1984 {
return __builtin_ia32_pandn128(__a, __b); }
1986 _GLIBCXX_SIMD_INTRINSIC __v8sf
1987 operator()(__v8sf __a, __v8sf __b)
const noexcept
1988 {
return __builtin_ia32_andnps256(__a, __b); }
1990 _GLIBCXX_SIMD_INTRINSIC __v4df
1991 operator()(__v4df __a, __v4df __b)
const noexcept
1992 {
return __builtin_ia32_andnpd256(__a, __b); }
1994 _GLIBCXX_SIMD_INTRINSIC __v4di
1995 operator()(__v4di __a, __v4di __b)
const noexcept
1997 if constexpr (__have_avx2)
1998 return __builtin_ia32_andnotsi256(__a, __b);
2000 return reinterpret_cast<__v4di
>(
2001 __builtin_ia32_andnpd256(
reinterpret_cast<__v4df
>(__a),
2002 reinterpret_cast<__v4df
>(__b)));
2005 _GLIBCXX_SIMD_INTRINSIC __v16sf
2006 operator()(__v16sf __a, __v16sf __b)
const noexcept
2008 if constexpr (__have_avx512dq)
2009 return _mm512_andnot_ps(__a, __b);
2011 return reinterpret_cast<__v16sf
>(
2012 _mm512_andnot_si512(
reinterpret_cast<__v8di
>(__a),
2013 reinterpret_cast<__v8di
>(__b)));
2016 _GLIBCXX_SIMD_INTRINSIC __v8df
2017 operator()(__v8df __a, __v8df __b)
const noexcept
2019 if constexpr (__have_avx512dq)
2020 return _mm512_andnot_pd(__a, __b);
2022 return reinterpret_cast<__v8df
>(
2023 _mm512_andnot_si512(
reinterpret_cast<__v8di
>(__a),
2024 reinterpret_cast<__v8di
>(__b)));
2027 _GLIBCXX_SIMD_INTRINSIC __v8di
2028 operator()(__v8di __a, __v8di __b)
const noexcept
2029 {
return _mm512_andnot_si512(__a, __b); }
2033template <
typename _TW>
2034 _GLIBCXX_SIMD_INTRINSIC
constexpr _TW
2035 __andnot(_TW __a, _TW __b)
noexcept
2037 if constexpr (__is_vector_type_v<_TW> || __is_simd_wrapper_v<_TW>)
2039 using _TVT = conditional_t<__is_simd_wrapper_v<_TW>, _TW,
2040 _VectorTraitsImpl<_TW>>;
2041 using _Tp =
typename _TVT::value_type;
2042#if _GLIBCXX_SIMD_X86INTRIN && !defined __clang__
2043 if constexpr (
sizeof(_TW) >= 16)
2045 const auto __ai = __to_intrin(__a);
2046 const auto __bi = __to_intrin(__b);
2047 if (!__builtin_is_constant_evaluated()
2048 && !(__builtin_constant_p(__ai) && __builtin_constant_p(__bi)))
2050 const auto __r = _S_x86_andnot(__ai, __bi);
2051 if constexpr (is_convertible_v<
decltype(__r), _TW>)
2054 return reinterpret_cast<typename _TVT::type
>(__r);
2058 using _Ip = make_unsigned_t<__int_for_sizeof_t<_Tp>>;
2059 return __vector_bitcast<_Tp>(~__vector_bitcast<_Ip>(__a)
2060 & __vector_bitcast<_Ip>(__b));
2068template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2069 _GLIBCXX_SIMD_INTRINSIC
constexpr _Tp
2070 __not(_Tp __a)
noexcept
2072 if constexpr (is_floating_point_v<typename _TVT::value_type>)
2073 return reinterpret_cast<typename _TVT::type
>(
2074 ~__vector_bitcast<unsigned>(__a));
2081template <
typename _T0,
typename _T1,
typename _Fun,
size_t... _Is>
2082 _GLIBCXX_SIMD_INTRINSIC
constexpr
2083 __vector_type_t<remove_reference_t<decltype(declval<_T0>()[0])>,
sizeof...(_Is)>
2084 __vec_shuffle(_T0 __x, _T1 __y, index_sequence<_Is...> __seq, _Fun __idx_perm)
2086 constexpr int _N0 =
sizeof(__x) /
sizeof(__x[0]);
2087 constexpr int _N1 =
sizeof(__y) /
sizeof(__y[0]);
2088 using _Tp = remove_reference_t<decltype(declval<_T0>()[0])>;
2089 using _RV [[maybe_unused]] = __vector_type_t<_Tp,
sizeof...(_Is)>;
2090#if __has_builtin(__builtin_shufflevector)
2093 if constexpr (
sizeof(__x) >
sizeof(__y) and _N1 == 1)
2094 return __vec_shuffle(__x, _T0{__y[0]}, __seq, __idx_perm);
2095 else if constexpr (
sizeof(__x) >
sizeof(__y))
2096 return __vec_shuffle(__x, __intrin_bitcast<_T0>(__y), __seq, __idx_perm);
2097 else if constexpr (
sizeof(__x) <
sizeof(__y) and _N0 == 1)
2098 return __vec_shuffle(_T1{__x[0]}, __y, __seq, [=](
int __i) {
2099 __i = __idx_perm(__i);
2100 return __i < _N0 ? __i : __i - _N0 + _N1;
2102 else if constexpr (
sizeof(__x) <
sizeof(__y))
2103 return __vec_shuffle(__intrin_bitcast<_T1>(__x), __y, __seq, [=](
int __i) {
2104 __i = __idx_perm(__i);
2105 return __i < _N0 ? __i : __i - _N0 + _N1;
2110 const auto __r = __builtin_shufflevector(__x, __y, [=] {
2111 constexpr int __j = __idx_perm(_Is);
2112 static_assert(__j < _N0 + _N1);
2116 if constexpr (
sizeof(__r) ==
sizeof(_RV))
2119 return _RV {__r[_Is]...};
2127 constexpr int __j = __idx_perm(_Is);
2128 static_assert(__j < _N0 + _N1);
2129 if constexpr (__j < 0)
2131 else if constexpr (__j < _N0)
2134 return __y[__j - _N0];
2140template <
typename _T0,
typename _Fun,
typename _Seq>
2141 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
2142 __vec_shuffle(_T0 __x, _Seq __seq, _Fun __idx_perm)
2143 {
return __vec_shuffle(__x, _T0(), __seq, __idx_perm); }
2147template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>,
2148 typename _R = __vector_type_t<
typename _TVT::value_type, _TVT::_S_full_size * 2>>
2150 __concat(_Tp a_, _Tp b_)
2152#ifdef _GLIBCXX_SIMD_WORKAROUND_XXX_1
2154 = conditional_t<is_floating_point_v<typename _TVT::value_type>, double,
2156 long long,
typename _TVT::value_type>>;
2157 constexpr int input_width =
sizeof(_Tp) /
sizeof(_W);
2158 const auto __a = __vector_bitcast<_W>(a_);
2159 const auto __b = __vector_bitcast<_W>(b_);
2160 using _Up = __vector_type_t<_W,
sizeof(_R) /
sizeof(_W)>;
2162 constexpr int input_width = _TVT::_S_full_size;
2163 const _Tp& __a = a_;
2164 const _Tp& __b = b_;
2167 if constexpr (input_width == 2)
2168 return reinterpret_cast<_R
>(_Up{__a[0], __a[1], __b[0], __b[1]});
2169 else if constexpr (input_width == 4)
2170 return reinterpret_cast<_R
>(
2171 _Up{__a[0], __a[1], __a[2], __a[3], __b[0], __b[1], __b[2], __b[3]});
2172 else if constexpr (input_width == 8)
2173 return reinterpret_cast<_R
>(
2174 _Up{__a[0], __a[1], __a[2], __a[3], __a[4], __a[5], __a[6], __a[7],
2175 __b[0], __b[1], __b[2], __b[3], __b[4], __b[5], __b[6], __b[7]});
2176 else if constexpr (input_width == 16)
2177 return reinterpret_cast<_R
>(
2178 _Up{__a[0], __a[1], __a[2], __a[3], __a[4], __a[5], __a[6],
2179 __a[7], __a[8], __a[9], __a[10], __a[11], __a[12], __a[13],
2180 __a[14], __a[15], __b[0], __b[1], __b[2], __b[3], __b[4],
2181 __b[5], __b[6], __b[7], __b[8], __b[9], __b[10], __b[11],
2182 __b[12], __b[13], __b[14], __b[15]});
2183 else if constexpr (input_width == 32)
2184 return reinterpret_cast<_R
>(
2185 _Up{__a[0], __a[1], __a[2], __a[3], __a[4], __a[5], __a[6],
2186 __a[7], __a[8], __a[9], __a[10], __a[11], __a[12], __a[13],
2187 __a[14], __a[15], __a[16], __a[17], __a[18], __a[19], __a[20],
2188 __a[21], __a[22], __a[23], __a[24], __a[25], __a[26], __a[27],
2189 __a[28], __a[29], __a[30], __a[31], __b[0], __b[1], __b[2],
2190 __b[3], __b[4], __b[5], __b[6], __b[7], __b[8], __b[9],
2191 __b[10], __b[11], __b[12], __b[13], __b[14], __b[15], __b[16],
2192 __b[17], __b[18], __b[19], __b[20], __b[21], __b[22], __b[23],
2193 __b[24], __b[25], __b[26], __b[27], __b[28], __b[29], __b[30],
2199template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2200 struct _ZeroExtendProxy
2202 using value_type =
typename _TVT::value_type;
2203 static constexpr size_t _Np = _TVT::_S_full_size;
2206 template <
typename _To,
typename _ToVT = _VectorTraits<_To>,
2208 = enable_if_t<is_same_v<
typename _ToVT::value_type, value_type>>>
2209 _GLIBCXX_SIMD_INTRINSIC
operator _To()
const
2211 constexpr size_t _ToN = _ToVT::_S_full_size;
2212 if constexpr (_ToN == _Np)
2214 else if constexpr (_ToN == 2 * _Np)
2216#ifdef _GLIBCXX_SIMD_WORKAROUND_XXX_3
2217 if constexpr (__have_avx && _TVT::template _S_is<float, 4>)
2218 return __vector_bitcast<value_type>(
2219 _mm256_insertf128_ps(__m256(), __x, 0));
2220 else if constexpr (__have_avx && _TVT::template _S_is<double, 2>)
2221 return __vector_bitcast<value_type>(
2222 _mm256_insertf128_pd(__m256d(), __x, 0));
2223 else if constexpr (__have_avx2 && _Np *
sizeof(value_type) == 16)
2224 return __vector_bitcast<value_type>(
2225 _mm256_insertf128_si256(__m256i(), __to_intrin(__x), 0));
2226 else if constexpr (__have_avx512f && _TVT::template _S_is<float, 8>)
2228 if constexpr (__have_avx512dq)
2229 return __vector_bitcast<value_type>(
2230 _mm512_insertf32x8(__m512(), __x, 0));
2232 return reinterpret_cast<__m512
>(
2233 _mm512_insertf64x4(__m512d(),
2234 reinterpret_cast<__m256d
>(__x), 0));
2236 else if constexpr (__have_avx512f
2237 && _TVT::template _S_is<double, 4>)
2238 return __vector_bitcast<value_type>(
2239 _mm512_insertf64x4(__m512d(), __x, 0));
2240 else if constexpr (__have_avx512f && _Np *
sizeof(value_type) == 32)
2241 return __vector_bitcast<value_type>(
2242 _mm512_inserti64x4(__m512i(), __to_intrin(__x), 0));
2244 return __concat(__x, _Tp());
2246 else if constexpr (_ToN == 4 * _Np)
2248#ifdef _GLIBCXX_SIMD_WORKAROUND_XXX_3
2249 if constexpr (__have_avx512dq && _TVT::template _S_is<double, 2>)
2251 return __vector_bitcast<value_type>(
2252 _mm512_insertf64x2(__m512d(), __x, 0));
2254 else if constexpr (__have_avx512f
2255 && is_floating_point_v<value_type>)
2257 return __vector_bitcast<value_type>(
2258 _mm512_insertf32x4(__m512(),
reinterpret_cast<__m128
>(__x),
2261 else if constexpr (__have_avx512f && _Np *
sizeof(value_type) == 16)
2263 return __vector_bitcast<value_type>(
2264 _mm512_inserti32x4(__m512i(), __to_intrin(__x), 0));
2267 return __concat(__concat(__x, _Tp()),
2268 __vector_type_t<value_type, _Np * 2>());
2270 else if constexpr (_ToN == 8 * _Np)
2271 return __concat(
operator __vector_type_t<value_type, _Np * 4>(),
2272 __vector_type_t<value_type, _Np * 4>());
2273 else if constexpr (_ToN == 16 * _Np)
2274 return __concat(
operator __vector_type_t<value_type, _Np * 8>(),
2275 __vector_type_t<value_type, _Np * 8>());
2277 __assert_unreachable<_Tp>();
2281template <
typename _Tp,
typename _TVT = _VectorTraits<_Tp>>
2282 _GLIBCXX_SIMD_INTRINSIC _ZeroExtendProxy<_Tp, _TVT>
2283 __zero_extend(_Tp __x)
2288template <
int _Offset,
2291 typename _TVT = _VectorTraits<_Tp>,
2292 typename _R = __vector_type_t<
typename _TVT::value_type, _TVT::_S_full_size / _SplitBy>>
2293 _GLIBCXX_SIMD_INTRINSIC
constexpr _R
2296 using value_type =
typename _TVT::value_type;
2297#if _GLIBCXX_SIMD_X86INTRIN
2298 if constexpr (
sizeof(_Tp) == 64 && _SplitBy == 4 && _Offset > 0)
2300 if constexpr (__have_avx512dq && is_same_v<double, value_type>)
2301 return _mm512_extractf64x2_pd(__to_intrin(__in), _Offset);
2302 else if constexpr (is_floating_point_v<value_type>)
2303 return __vector_bitcast<value_type>(
2304 _mm512_extractf32x4_ps(__intrin_bitcast<__m512>(__in), _Offset));
2306 return reinterpret_cast<_R
>(
2307 _mm512_extracti32x4_epi32(__intrin_bitcast<__m512i>(__in),
2313#ifdef _GLIBCXX_SIMD_WORKAROUND_XXX_1
2315 is_floating_point_v<value_type>, double,
2317 static_assert(
sizeof(_R) %
sizeof(_W) == 0);
2318 constexpr int __return_width =
sizeof(_R) /
sizeof(_W);
2319 using _Up = __vector_type_t<_W, __return_width>;
2320 const auto __x = __vector_bitcast<_W>(__in);
2322 constexpr int __return_width = _TVT::_S_full_size / _SplitBy;
2324 const __vector_type_t<value_type, _TVT::_S_full_size>& __x
2327 constexpr int _O = _Offset * __return_width;
2328 return __call_with_subscripts<__return_width, _O>(
2329 __x, [](
auto... __entries) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2330 return reinterpret_cast<_R
>(_Up{__entries...});
2337template <
typename _Tp,
2338 typename _R = __vector_type8_t<typename _VectorTraits<_Tp>::value_type>>
2339 _GLIBCXX_SIMD_INTRINSIC
constexpr _R
2343 __builtin_memcpy(&__r, &__x, 8);
2347template <
typename _Tp,
2348 typename _R = __vector_type8_t<typename _VectorTraits<_Tp>::value_type>>
2349 _GLIBCXX_SIMD_INTRINSIC
constexpr _R
2352 static_assert(
sizeof(_Tp) == 16,
"use __hi64z if you meant it");
2354 __builtin_memcpy(&__r,
reinterpret_cast<const char*
>(&__x) + 8, 8);
2358template <
typename _Tp,
2359 typename _R = __vector_type8_t<typename _VectorTraits<_Tp>::value_type>>
2360 _GLIBCXX_SIMD_INTRINSIC
constexpr _R
2361 __hi64z([[maybe_unused]] _Tp __x)
2364 if constexpr (
sizeof(_Tp) == 16)
2365 __builtin_memcpy(&__r,
reinterpret_cast<const char*
>(&__x) + 8, 8);
2371template <
typename _Tp>
2372 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
2374 {
return __extract<0,
sizeof(_Tp) / 16>(__x); }
2376template <
typename _Tp>
2377 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
2380 static_assert(
sizeof(__x) == 32);
2381 return __extract<1, 2>(__x);
2386template <
typename _Tp>
2387 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
2390 static_assert(
sizeof(__x) == 64);
2391 return __extract<0, 2>(__x);
2394template <
typename _Tp>
2395 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
2398 static_assert(
sizeof(__x) == 64);
2399 return __extract<1, 2>(__x);
2404template <
typename _Tp>
2407 static_assert(__is_vector_type_v<_Tp>);
2411 template <
typename _Up,
typename _UVT = _VectorTraits<_Up>>
2412 _GLIBCXX_SIMD_INTRINSIC
constexpr operator _Up()
const
2413 {
return __intrin_bitcast<typename _UVT::type>(__x); }
2416template <
typename _Tp>
2417 _GLIBCXX_SIMD_INTRINSIC
constexpr _AutoCast<_Tp>
2418 __auto_bitcast(
const _Tp& __x)
2421template <
typename _Tp,
size_t _Np>
2422 _GLIBCXX_SIMD_INTRINSIC
constexpr
2423 _AutoCast<typename _SimdWrapper<_Tp, _Np>::_BuiltinType>
2424 __auto_bitcast(
const _SimdWrapper<_Tp, _Np>& __x)
2425 {
return {__x._M_data}; }
2430#if _GLIBCXX_SIMD_HAVE_SSE_ABI
2432#if _GLIBCXX_SIMD_HAVE_AVX512F && _GLIBCXX_SIMD_X86INTRIN
2433template <
size_t _Size>
2434 struct __bool_storage_member_type
2436 static_assert((_Size & (_Size - 1)) != 0,
2437 "This trait may only be used for non-power-of-2 sizes. "
2438 "Power-of-2 sizes must be specialized.");
2444 struct __bool_storage_member_type<1> {
using type = bool; };
2447 struct __bool_storage_member_type<2> {
using type = __mmask8; };
2450 struct __bool_storage_member_type<4> {
using type = __mmask8; };
2453 struct __bool_storage_member_type<8> {
using type = __mmask8; };
2456 struct __bool_storage_member_type<16> {
using type = __mmask16; };
2459 struct __bool_storage_member_type<32> {
using type = __mmask32; };
2462 struct __bool_storage_member_type<64> {
using type = __mmask64; };
2468#if _GLIBCXX_SIMD_HAVE_SSE
2469template <
typename _Tp,
size_t _Bytes>
2470 struct __intrinsic_type<_Tp, _Bytes,
enable_if_t<__is_vectorizable_v<_Tp> && _Bytes <= 64>>
2472 static_assert(!is_same_v<_Tp, long double>,
2473 "no __intrinsic_type support for long double on x86");
2475 static constexpr size_t _S_VBytes = _Bytes <= 16 ? 16 : _Bytes <= 32 ? 32 : 64;
2477 using type [[__gnu__::__vector_size__(_S_VBytes)]]
2478 = conditional_t<is_integral_v<_Tp>,
long long int, _Tp>;
2485#if _GLIBCXX_SIMD_HAVE_NEON
2487 struct __intrinsic_type<float, 8, void>
2488 {
using type = float32x2_t; };
2491 struct __intrinsic_type<float, 16, void>
2492 {
using type = float32x4_t; };
2495 struct __intrinsic_type<double, 8, void>
2497#if _GLIBCXX_SIMD_HAVE_NEON_A64
2498 using type = float64x1_t;
2503 struct __intrinsic_type<double, 16, void>
2505#if _GLIBCXX_SIMD_HAVE_NEON_A64
2506 using type = float64x2_t;
2510#define _GLIBCXX_SIMD_ARM_INTRIN(_Bits, _Np) \
2512 struct __intrinsic_type<__int_with_sizeof_t<_Bits / 8>, \
2513 _Np * _Bits / 8, void> \
2514 { using type = int##_Bits##x##_Np##_t; }; \
2516 struct __intrinsic_type<make_unsigned_t<__int_with_sizeof_t<_Bits / 8>>, \
2517 _Np * _Bits / 8, void> \
2518 { using type = uint##_Bits##x##_Np##_t; }
2519_GLIBCXX_SIMD_ARM_INTRIN(8, 8);
2520_GLIBCXX_SIMD_ARM_INTRIN(8, 16);
2521_GLIBCXX_SIMD_ARM_INTRIN(16, 4);
2522_GLIBCXX_SIMD_ARM_INTRIN(16, 8);
2523_GLIBCXX_SIMD_ARM_INTRIN(32, 2);
2524_GLIBCXX_SIMD_ARM_INTRIN(32, 4);
2525_GLIBCXX_SIMD_ARM_INTRIN(64, 1);
2526_GLIBCXX_SIMD_ARM_INTRIN(64, 2);
2527#undef _GLIBCXX_SIMD_ARM_INTRIN
2529template <
typename _Tp,
size_t _Bytes>
2530 struct __intrinsic_type<_Tp, _Bytes,
enable_if_t<__is_vectorizable_v<_Tp> && _Bytes <= 16>>
2532 static constexpr int _SVecBytes = _Bytes <= 8 ? 8 : 16;
2534 using _Ip = __int_for_sizeof_t<_Tp>;
2537 is_floating_point_v<_Tp>, _Tp,
2538 conditional_t<is_unsigned_v<_Tp>, make_unsigned_t<_Ip>, _Ip>>;
2540 static_assert(!is_same_v<_Tp, _Up> || _SVecBytes != _Bytes,
2541 "should use explicit specialization above");
2543 using type =
typename __intrinsic_type<_Up, _SVecBytes>::type;
2550template <
typename _Tp>
2551 struct __intrinsic_type_impl;
2553#define _GLIBCXX_SIMD_PPC_INTRIN(_Tp) \
2555 struct __intrinsic_type_impl<_Tp> { using type = __vector _Tp; }
2556_GLIBCXX_SIMD_PPC_INTRIN(
float);
2558_GLIBCXX_SIMD_PPC_INTRIN(
double);
2560_GLIBCXX_SIMD_PPC_INTRIN(
signed char);
2561_GLIBCXX_SIMD_PPC_INTRIN(
unsigned char);
2562_GLIBCXX_SIMD_PPC_INTRIN(
signed short);
2563_GLIBCXX_SIMD_PPC_INTRIN(
unsigned short);
2564_GLIBCXX_SIMD_PPC_INTRIN(
signed int);
2565_GLIBCXX_SIMD_PPC_INTRIN(
unsigned int);
2566#if defined __VSX__ || __SIZEOF_LONG__ == 4
2567_GLIBCXX_SIMD_PPC_INTRIN(
signed long);
2568_GLIBCXX_SIMD_PPC_INTRIN(
unsigned long);
2571_GLIBCXX_SIMD_PPC_INTRIN(
signed long long);
2572_GLIBCXX_SIMD_PPC_INTRIN(
unsigned long long);
2574#undef _GLIBCXX_SIMD_PPC_INTRIN
2576template <
typename _Tp,
size_t _Bytes>
2577 struct __intrinsic_type<_Tp, _Bytes,
enable_if_t<__is_vectorizable_v<_Tp> && _Bytes <= 16>>
2579 static constexpr bool _S_is_ldouble = is_same_v<_Tp, long double>;
2582 static_assert(!(_S_is_ldouble &&
sizeof(
long double) >
sizeof(
double)),
2583 "no __intrinsic_type support for 128-bit floating point on PowerPC");
2586 static_assert(!(is_same_v<_Tp, double>
2587 || (_S_is_ldouble &&
sizeof(
long double) ==
sizeof(
double))),
2588 "no __intrinsic_type support for 64-bit floating point on PowerPC w/o VSX");
2591 static constexpr auto __element_type()
2593 if constexpr (is_floating_point_v<_Tp>)
2595 if constexpr (_S_is_ldouble)
2600 else if constexpr (is_signed_v<_Tp>)
2602 if constexpr (
sizeof(_Tp) ==
sizeof(_SChar))
2604 else if constexpr (
sizeof(_Tp) ==
sizeof(
short))
2606 else if constexpr (
sizeof(_Tp) ==
sizeof(
int))
2608 else if constexpr (
sizeof(_Tp) ==
sizeof(_LLong))
2613 if constexpr (
sizeof(_Tp) ==
sizeof(_UChar))
2615 else if constexpr (
sizeof(_Tp) ==
sizeof(_UShort))
2617 else if constexpr (
sizeof(_Tp) ==
sizeof(_UInt))
2619 else if constexpr (
sizeof(_Tp) ==
sizeof(_ULLong))
2624 using type =
typename __intrinsic_type_impl<
decltype(__element_type())>::type;
2630template <
size_t _W
idth>
2631 struct _SimdWrapper<bool, _Width,
2632 void_t<typename __bool_storage_member_type<_Width>::type>>
2634 using _BuiltinType =
typename __bool_storage_member_type<_Width>::type;
2635 using value_type = bool;
2637 static constexpr size_t _S_full_size =
sizeof(_BuiltinType) * __CHAR_BIT__;
2639 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper<bool, _S_full_size>
2640 __as_full_vector()
const
2643 _GLIBCXX_SIMD_INTRINSIC
constexpr
2644 _SimdWrapper() =
default;
2646 _GLIBCXX_SIMD_INTRINSIC
constexpr
2647 _SimdWrapper(_BuiltinType __k) : _M_data(__k) {};
2649 _GLIBCXX_SIMD_INTRINSIC
2650 operator const _BuiltinType&()
const
2653 _GLIBCXX_SIMD_INTRINSIC
2654 operator _BuiltinType&()
2657 _GLIBCXX_SIMD_INTRINSIC _BuiltinType
2661 _GLIBCXX_SIMD_INTRINSIC
constexpr value_type
2662 operator[](
size_t __i)
const
2663 {
return _M_data & (_BuiltinType(1) << __i); }
2665 template <
size_t __i>
2666 _GLIBCXX_SIMD_INTRINSIC
constexpr value_type
2667 operator[](_SizeConstant<__i>)
const
2668 {
return _M_data & (_BuiltinType(1) << __i); }
2670 _GLIBCXX_SIMD_INTRINSIC
constexpr void
2671 _M_set(
size_t __i, value_type __x)
2674 _M_data |= (_BuiltinType(1) << __i);
2676 _M_data &= ~(_BuiltinType(1) << __i);
2679 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
2680 _M_is_constprop()
const
2681 {
return __builtin_constant_p(_M_data); }
2683 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
2684 _M_is_constprop_none_of()
const
2686 if (__builtin_constant_p(_M_data))
2688 constexpr int __nbits =
sizeof(_BuiltinType) * __CHAR_BIT__;
2689 constexpr _BuiltinType __active_mask
2690 = ~_BuiltinType() >> (__nbits - _Width);
2691 return (_M_data & __active_mask) == 0;
2696 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
2697 _M_is_constprop_all_of()
const
2699 if (__builtin_constant_p(_M_data))
2701 constexpr int __nbits =
sizeof(_BuiltinType) * __CHAR_BIT__;
2702 constexpr _BuiltinType __active_mask
2703 = ~_BuiltinType() >> (__nbits - _Width);
2704 return (_M_data & __active_mask) == __active_mask;
2709 _BuiltinType _M_data;
2713template <
bool _MustZeroInitPadding,
typename _BuiltinType>
2714 struct _SimdWrapperBase;
2716template <
typename _BuiltinType>
2717 struct _SimdWrapperBase<false, _BuiltinType>
2719 _GLIBCXX_SIMD_INTRINSIC
constexpr
2720 _SimdWrapperBase() =
default;
2722 _GLIBCXX_SIMD_INTRINSIC
constexpr
2723 _SimdWrapperBase(_BuiltinType __init) : _M_data(__init) {}
2725 _BuiltinType _M_data;
2728template <
typename _BuiltinType>
2729 struct _SimdWrapperBase<true, _BuiltinType>
2732 _GLIBCXX_SIMD_INTRINSIC
constexpr
2733 _SimdWrapperBase() : _M_data() {}
2735 _GLIBCXX_SIMD_INTRINSIC
constexpr
2736 _SimdWrapperBase(_BuiltinType __init) : _M_data(__init) {}
2738 _BuiltinType _M_data;
2743struct _DisabledSimdWrapper;
2745template <
typename _Tp,
size_t _W
idth>
2746 struct _SimdWrapper<
2748 void_t<__vector_type_t<_Tp, _Width>, __intrinsic_type_t<_Tp, _Width>>>
2749 : _SimdWrapperBase<__has_iec559_behavior<__signaling_NaN, _Tp>::value
2750 && sizeof(_Tp) * _Width
2751 == sizeof(__vector_type_t<_Tp, _Width>),
2752 __vector_type_t<_Tp, _Width>>
2754 static constexpr bool _S_need_default_init
2755 = __has_iec559_behavior<__signaling_NaN, _Tp>::value
2756 and
sizeof(_Tp) * _Width ==
sizeof(__vector_type_t<_Tp, _Width>);
2758 using _BuiltinType = __vector_type_t<_Tp, _Width>;
2760 using _Base = _SimdWrapperBase<_S_need_default_init, _BuiltinType>;
2762 static_assert(__is_vectorizable_v<_Tp>);
2763 static_assert(_Width >= 2);
2765 using value_type = _Tp;
2767 static inline constexpr size_t _S_full_size
2768 =
sizeof(_BuiltinType) /
sizeof(value_type);
2769 static inline constexpr int _S_size = _Width;
2770 static inline constexpr bool _S_is_partial = _S_full_size != _S_size;
2772 using _Base::_M_data;
2774 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper<_Tp, _S_full_size>
2775 __as_full_vector()
const
2778 _GLIBCXX_SIMD_INTRINSIC
constexpr
2779 _SimdWrapper(initializer_list<_Tp> __init)
2780 : _Base(__generate_from_n_evaluations<_Width, _BuiltinType>(
2781 [&](auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
2782 return __init.
begin()[__i.value];
2785 _GLIBCXX_SIMD_INTRINSIC
constexpr
2786 _SimdWrapper() =
default;
2788 _GLIBCXX_SIMD_INTRINSIC
constexpr
2789 _SimdWrapper(
const _SimdWrapper&) =
default;
2791 _GLIBCXX_SIMD_INTRINSIC
constexpr
2792 _SimdWrapper(_SimdWrapper&&) =
default;
2794 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper&
2795 operator=(
const _SimdWrapper&) =
default;
2797 _GLIBCXX_SIMD_INTRINSIC
constexpr _SimdWrapper&
2798 operator=(_SimdWrapper&&) =
default;
2801 using _SimdWrapperBase<_S_need_default_init, _BuiltinType>::_SimdWrapperBase;
2805 _GLIBCXX_SIMD_INTRINSIC
constexpr
2806 _SimdWrapper(conditional_t<is_same_v<_BuiltinType, __intrinsic_type_t<_Tp, _Width>>,
2807 _DisabledSimdWrapper, __intrinsic_type_t<_Tp, _Width>> __x)
2808 : _Base(__vector_bitcast<_Tp, _Width>(__x)) {}
2812 template <
typename _V,
typename _TVT = _VectorTraits<_V>,
2813 typename = enable_if_t<sizeof(
typename _TVT::value_type) == sizeof(_Tp)
2814 and sizeof(_V) == sizeof(_BuiltinType)
2815 and is_
integral_v<_Tp>
2816 and is_
integral_v<
typename _TVT::value_type>>>
2817 _GLIBCXX_SIMD_INTRINSIC
constexpr
2818 _SimdWrapper(_V __x)
2819 : _Base(reinterpret_cast<_BuiltinType>(__x)) {}
2821 template <
typename... _As,
2822 typename =
enable_if_t<((is_same_v<simd_abi::scalar, _As> && ...)
2823 &&
sizeof...(_As) <= _Width)>>
2824 _GLIBCXX_SIMD_INTRINSIC
constexpr
2825 operator _SimdTuple<_Tp, _As...>()
const
2827 return __generate_from_n_evaluations<
sizeof...(_As), _SimdTuple<_Tp, _As...>>(
2828 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
2829 {
return _M_data[int(__i)]; });
2832 _GLIBCXX_SIMD_INTRINSIC
constexpr
2833 operator const _BuiltinType&()
const
2836 _GLIBCXX_SIMD_INTRINSIC
constexpr
2837 operator _BuiltinType&()
2840 _GLIBCXX_SIMD_INTRINSIC
constexpr _Tp
2841 operator[](
size_t __i)
const
2842 {
return _M_data[__i]; }
2844 template <
size_t __i>
2845 _GLIBCXX_SIMD_INTRINSIC
constexpr _Tp
2846 operator[](_SizeConstant<__i>)
const
2847 {
return _M_data[__i]; }
2849 _GLIBCXX_SIMD_INTRINSIC
constexpr void
2850 _M_set(
size_t __i, _Tp __x)
2852 if (__builtin_is_constant_evaluated())
2853 _M_data = __generate_from_n_evaluations<_Width, _BuiltinType>([&](
auto __j) {
2854 return __j == __i ? __x : _M_data[__j()];
2860 _GLIBCXX_SIMD_INTRINSIC
2862 _M_is_constprop()
const
2863 {
return __builtin_constant_p(_M_data); }
2865 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
2866 _M_is_constprop_none_of()
const
2868 if (__builtin_constant_p(_M_data))
2871 if constexpr (is_floating_point_v<_Tp>)
2873 using _Ip = __int_for_sizeof_t<_Tp>;
2874 const auto __intdata = __vector_bitcast<_Ip>(_M_data);
2875 __execute_n_times<_Width>(
2876 [&](
auto __i) { __r &= __intdata[__i.value] == _Ip(); });
2879 __execute_n_times<_Width>(
2880 [&](
auto __i) { __r &= _M_data[__i.value] == _Tp(); });
2881 if (__builtin_constant_p(__r))
2887 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
2888 _M_is_constprop_all_of()
const
2890 if (__builtin_constant_p(_M_data))
2893 if constexpr (is_floating_point_v<_Tp>)
2895 using _Ip = __int_for_sizeof_t<_Tp>;
2896 const auto __intdata = __vector_bitcast<_Ip>(_M_data);
2897 __execute_n_times<_Width>(
2898 [&](
auto __i) { __r &= __intdata[__i.value] == ~_Ip(); });
2901 __execute_n_times<_Width>(
2902 [&](
auto __i) { __r &= _M_data[__i.value] == ~_Tp(); });
2903 if (__builtin_constant_p(__r))
2913template <
typename _Tp>
2915 __vectorized_sizeof()
2917 if constexpr (!__is_vectorizable_v<_Tp>)
2920 if constexpr (
sizeof(_Tp) <= 8)
2923 if constexpr (__have_avx512bw)
2925 if constexpr (__have_avx512f &&
sizeof(_Tp) >= 4)
2927 if constexpr (__have_avx2)
2929 if constexpr (__have_avx && is_floating_point_v<_Tp>)
2931 if constexpr (__have_sse2)
2933 if constexpr (__have_sse && is_same_v<_Tp, float>)
2943 if constexpr (__have_power8vec
2944 || (__have_power_vmx && (
sizeof(_Tp) < 8))
2945 || (__have_power_vsx && is_floating_point_v<_Tp>) )
2949 if constexpr (__have_neon_a64)
2951 if constexpr (__have_neon_a32 and (not is_floating_point_v<_Tp>
2952 or is_same_v<_Tp, float>))
2954 if constexpr (__have_neon
2959 && (__support_neon_float || !is_floating_point_v<_Tp>))
2969template <
typename _Tp>
2970 inline constexpr int max_fixed_size
2971 = ((__have_avx512bw &&
sizeof(_Tp) == 1)
2972 || (__have_sve && __sve_vectorized_size_bytes/
sizeof(_Tp) >= 64)) ? 64 : 32;
2975#if defined __x86_64__ || defined __aarch64__
2976template <
typename _Tp>
2977 using compatible =
conditional_t<(
sizeof(_Tp) <= 8), _VecBuiltin<16>, scalar>;
2978#elif defined __ARM_NEON
2981template <
typename _Tp>
2984 && (__support_neon_float || !is_floating_point_v<_Tp>)),
2985 _VecBuiltin<16>, scalar>;
2988 using compatible = scalar;
2993template <
typename _Tp>
2995 __determine_native_abi()
2997 constexpr size_t __bytes = __vectorized_sizeof<_Tp>();
2998 if constexpr (__bytes ==
sizeof(_Tp))
2999 return static_cast<scalar*
>(
nullptr);
3000 else if constexpr (__have_sve)
3001 return static_cast<_SveAbi<__sve_vectorized_size_bytes>*
>(
nullptr);
3002 else if constexpr (__have_avx512vl || (__have_avx512f && __bytes == 64))
3003 return static_cast<_VecBltnBtmsk<__bytes>*
>(
nullptr);
3005 return static_cast<_VecBuiltin<__bytes>*
>(
nullptr);
3008template <
typename _Tp,
typename = enable_if_t<__is_vectorizable_v<_Tp>>>
3009 using native = remove_pointer_t<decltype(__determine_native_abi<_Tp>())>;
3013#if defined _GLIBCXX_SIMD_DEFAULT_ABI
3014template <
typename _Tp>
3015 using __default_abi = _GLIBCXX_SIMD_DEFAULT_ABI<_Tp>;
3017template <
typename _Tp>
3018 using __default_abi = compatible<_Tp>;
3025template <
typename _Tp>
3026 struct is_simd_flag_type
3031 struct is_simd_flag_type<element_aligned_tag>
3036 struct is_simd_flag_type<vector_aligned_tag>
3040template <
size_t _Np>
3041 struct is_simd_flag_type<overaligned_tag<_Np>>
3042 : __bool_constant<(_Np > 0) and __has_single_bit(_Np)>
3045template <
typename _Tp>
3046 inline constexpr bool is_simd_flag_type_v = is_simd_flag_type<_Tp>::value;
3048template <
typename _Tp,
typename = enable_if_t<is_simd_flag_type_v<_Tp>>>
3049 using _IsSimdFlagType = _Tp;
3052template <
typename _Tp,
typename =
void_t<>>
3055template <
typename _Tp>
3056 struct is_abi_tag<_Tp,
void_t<typename _Tp::_IsValidAbiTag>>
3057 :
public _Tp::_IsValidAbiTag {};
3059template <
typename _Tp>
3060 inline constexpr bool is_abi_tag_v = is_abi_tag<_Tp>::value;
3063template <
typename _Tp>
3066template <
typename _Tp>
3067 inline constexpr bool is_simd_v = is_simd<_Tp>::value;
3069template <
typename _Tp>
3072template <
typename _Tp>
3073inline constexpr bool is_simd_mask_v = is_simd_mask<_Tp>::value;
3076template <
typename _Tp,
typename _Abi,
typename =
void>
3077 struct __simd_size_impl {};
3079template <
typename _Tp,
typename _Abi>
3080 struct __simd_size_impl<
3082 enable_if_t<conjunction_v<__is_vectorizable<_Tp>, is_abi_tag<_Abi>>>>
3083 : _SizeConstant<_Abi::template _S_size<_Tp>> {};
3085template <
typename _Tp,
typename _Abi = simd_abi::__default_abi<_Tp>>
3086 struct simd_size : __simd_size_impl<_Tp, _Abi> {};
3088template <
typename _Tp,
typename _Abi = simd_abi::__default_abi<_Tp>>
3089 inline constexpr size_t simd_size_v = simd_size<_Tp, _Abi>::value;
3092template <
typename _Tp,
size_t _Np,
typename =
void>
3093 struct __deduce_impl;
3095template <
typename _Tp,
size_t _Np,
typename =
void>
3096 struct __no_sve_deduce_impl;
3107template <
typename _Tp,
size_t _Np,
typename...>
3110template <
typename _Tp,
size_t _Np,
typename... _Abis>
3111 using deduce_t =
typename deduce<_Tp, _Np, _Abis...>::type;
3113template <
typename _Tp,
size_t _Np,
typename...>
3114 struct __no_sve_deduce : __no_sve_deduce_impl<_Tp, _Np> {};
3116template <
typename _Tp,
size_t _Np,
typename... _Abis>
3117 using __no_sve_deduce_t =
typename __no_sve_deduce<_Tp, _Np, _Abis...>::type;
3122template <
typename _Tp,
typename _V,
typename =
void>
3125template <
typename _Tp,
typename _Up,
typename _Abi>
3126 struct rebind_simd<_Tp, simd<_Up, _Abi>,
3128 simd_abi::__no_sve_deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>,
3129 simd_abi::deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>>>>
3132 !__is_sve_abi<_Abi>(),
3133 simd_abi::__no_sve_deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>,
3134 simd_abi::deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>>>;
3137template <
typename _Tp,
typename _Up,
typename _Abi>
3138 struct rebind_simd<_Tp, simd_mask<_Up, _Abi>,
3140 simd_abi::__no_sve_deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>,
3141 simd_abi::deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>>>>
3144 !__is_sve_abi<_Abi>(),
3145 simd_abi::__no_sve_deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>,
3146 simd_abi::deduce_t<_Tp, simd_size_v<_Up, _Abi>, _Abi>>>;
3149template <
typename _Tp,
typename _V>
3150 using rebind_simd_t =
typename rebind_simd<_Tp, _V>::type;
3153template <
int _Np,
typename _V,
typename =
void>
3156template <
int _Np,
typename _Tp,
typename _Abi>
3157 struct resize_simd<_Np, simd<_Tp, _Abi>,
void_t<simd_abi::deduce_t<_Tp, _Np, _Abi>>>
3158 {
using type = simd<_Tp, simd_abi::deduce_t<_Tp, _Np, _Abi>>; };
3160template <
int _Np,
typename _Tp,
typename _Abi>
3161 struct resize_simd<_Np, simd_mask<_Tp, _Abi>,
void_t<simd_abi::deduce_t<_Tp, _Np, _Abi>>>
3162 {
using type = simd_mask<_Tp, simd_abi::deduce_t<_Tp, _Np, _Abi>>; };
3164template <
int _Np,
typename _V>
3165 using resize_simd_t =
typename resize_simd<_Np, _V>::type;
3169template <
typename _Tp,
typename _Up =
typename _Tp::value_type>
3170 struct memory_alignment
3171 :
public _SizeConstant<vector_aligned_tag::_S_alignment<_Tp, _Up>> {};
3173template <
typename _Tp,
typename _Up =
typename _Tp::value_type>
3174 inline constexpr size_t memory_alignment_v = memory_alignment<_Tp, _Up>::value;
3177template <
typename _Tp,
typename _Abi = simd_abi::__default_abi<_Tp>>
3180template <
typename _Tp,
typename _Abi>
3181 struct is_simd<simd<_Tp, _Abi>> :
public true_type {};
3183template <
typename _Tp>
3184 using native_simd = simd<_Tp, simd_abi::native<_Tp>>;
3186template <
typename _Tp,
int _Np>
3187 using fixed_size_simd = simd<_Tp, simd_abi::fixed_size<_Np>>;
3189template <
typename _Tp,
size_t _Np>
3190 using __deduced_simd = simd<_Tp, simd_abi::deduce_t<_Tp, _Np>>;
3193template <
typename _Tp,
typename _Abi = simd_abi::__default_abi<_Tp>>
3196template <
typename _Tp,
typename _Abi>
3197 struct is_simd_mask<simd_mask<_Tp, _Abi>> :
public true_type {};
3199template <
typename _Tp>
3200 using native_simd_mask = simd_mask<_Tp, simd_abi::native<_Tp>>;
3202template <
typename _Tp,
int _Np>
3203 using fixed_size_simd_mask = simd_mask<_Tp, simd_abi::fixed_size<_Np>>;
3205template <
typename _Tp,
size_t _Np>
3206 using __deduced_simd_mask = simd_mask<_Tp, simd_abi::deduce_t<_Tp, _Np>>;
3210template <
typename _Tp,
typename _Up,
typename _Ap,
bool = is_simd_v<_Tp>,
typename =
void>
3211 struct __static_simd_cast_return_type;
3213template <
typename _Tp,
typename _A0,
typename _Up,
typename _Ap>
3214 struct __static_simd_cast_return_type<simd_mask<_Tp, _A0>, _Up, _Ap, false, void>
3215 : __static_simd_cast_return_type<simd<_Tp, _A0>, _Up, _Ap> {};
3217template <
typename _Tp,
typename _Up,
typename _Ap>
3218 struct __static_simd_cast_return_type<
3219 _Tp, _Up, _Ap, true,
enable_if_t<_Tp::
size() == simd_size_v<_Up, _Ap>>>
3220 {
using type = _Tp; };
3222template <
typename _Tp,
typename _Ap>
3223 struct __static_simd_cast_return_type<_Tp, _Tp, _Ap, false,
3224#ifdef _GLIBCXX_SIMD_FIX_P2TS_ISSUE66
3230 {
using type = simd<_Tp, _Ap>; };
3232template <
typename _Tp,
typename =
void>
3233 struct __safe_make_signed {
using type = _Tp;};
3235template <
typename _Tp>
3236 struct __safe_make_signed<_Tp,
enable_if_t<is_integral_v<_Tp>>>
3239 using type = make_signed_t<make_unsigned_t<_Tp>>;
3242template <
typename _Tp>
3243 using safe_make_signed_t =
typename __safe_make_signed<_Tp>::type;
3245template <
typename _Tp,
typename _Up,
typename _Ap>
3246 struct __static_simd_cast_return_type<_Tp, _Up, _Ap, false,
3247#ifdef _GLIBCXX_SIMD_FIX_P2TS_ISSUE66
3255 (is_integral_v<_Up> && is_integral_v<_Tp> &&
3256#ifndef _GLIBCXX_SIMD_FIX_P2TS_ISSUE65
3257 is_signed_v<_Up> != is_signed_v<_Tp> &&
3259 is_same_v<safe_make_signed_t<_Up>, safe_make_signed_t<_Tp>>),
3260 simd<_Tp, _Ap>, fixed_size_simd<_Tp, simd_size_v<_Up, _Ap>>>;
3263template <
typename _Tp,
typename _Up,
typename _Ap,
3265 =
typename __static_simd_cast_return_type<_Tp, _Up, _Ap>::type>
3266 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _R
3267 static_simd_cast(
const simd<_Up, _Ap>& __x)
3269 if constexpr (is_same<_R, simd<_Up, _Ap>>::value)
3273 _SimdConverter<_Up, _Ap, typename _R::value_type, typename _R::abi_type>
3275 return _R(__private_init, __c(__data(__x)));
3279namespace __proposed {
3280template <
typename _Tp,
typename _Up,
typename _Ap,
3282 =
typename __static_simd_cast_return_type<_Tp, _Up, _Ap>::type>
3283 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
typename _R::mask_type
3284 static_simd_cast(
const simd_mask<_Up, _Ap>& __x)
3286 using _RM =
typename _R::mask_type;
3287 return {__private_init, _RM::abi_type::_MaskImpl::template _S_convert<
3288 typename _RM::simd_type::value_type>(__x)};
3291template <
typename _To,
typename _Up,
typename _Abi>
3292 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3294 simd_bit_cast(
const simd<_Up, _Abi>& __x)
3296 using _Tp =
typename _To::value_type;
3297 using _ToMember =
typename _SimdTraits<_Tp, typename _To::abi_type>::_SimdMember;
3298 using _From = simd<_Up, _Abi>;
3299 using _FromMember =
typename _SimdTraits<_Up, _Abi>::_SimdMember;
3301 static_assert(
sizeof(_To) ==
sizeof(_From));
3302 static_assert(is_trivially_copyable_v<_Tp> && is_trivially_copyable_v<_Up>);
3303 static_assert(is_trivially_copyable_v<_ToMember> && is_trivially_copyable_v<_FromMember>);
3304#if __has_builtin(__builtin_bit_cast)
3305 return {__private_init, __builtin_bit_cast(_ToMember, __data(__x))};
3307 return {__private_init, __bit_cast<_ToMember>(__data(__x))};
3311template <
typename _To,
typename _Up,
typename _Abi>
3312 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3314 simd_bit_cast(
const simd_mask<_Up, _Abi>& __x)
3316 using _From = simd_mask<_Up, _Abi>;
3317 static_assert(
sizeof(_To) ==
sizeof(_From));
3318 static_assert(is_trivially_copyable_v<_From>);
3321 if constexpr (is_simd_v<_To>)
3323 using _Tp =
typename _To::value_type;
3324 using _ToMember =
typename _SimdTraits<_Tp, typename _To::abi_type>::_SimdMember;
3325 static_assert(is_trivially_copyable_v<_ToMember>);
3326#if __has_builtin(__builtin_bit_cast)
3327 return {__private_init, __builtin_bit_cast(_ToMember, __x)};
3329 return {__private_init, __bit_cast<_ToMember>(__x)};
3334 static_assert(is_trivially_copyable_v<_To>);
3335#if __has_builtin(__builtin_bit_cast)
3336 return __builtin_bit_cast(_To, __x);
3338 return __bit_cast<_To>(__x);
3345template <
typename _Tp,
typename _Up,
typename _Ap,
3346 typename _To = __value_type_or_identity_t<_Tp>>
3347 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
auto
3348 simd_cast(
const simd<_ValuePreserving<_Up, _To>, _Ap>& __x)
3349 ->
decltype(static_simd_cast<_Tp>(__x))
3350 {
return static_simd_cast<_Tp>(__x); }
3352namespace __proposed {
3353template <
typename _Tp,
typename _Up,
typename _Ap,
3354 typename _To = __value_type_or_identity_t<_Tp>>
3355 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
auto
3356 simd_cast(
const simd_mask<_ValuePreserving<_Up, _To>, _Ap>& __x)
3357 ->
decltype(static_simd_cast<_Tp>(__x))
3358 {
return static_simd_cast<_Tp>(__x); }
3363namespace __proposed {
3390template <
typename _Tp,
typename _Up,
typename _Ap>
3391 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
enable_if_t<
3392 conjunction_v<is_simd<_Tp>, is_same<typename _Tp::value_type, _Up>>, _Tp>
3393 resizing_simd_cast(
const simd<_Up, _Ap>& __x)
3395 if constexpr (is_same_v<typename _Tp::abi_type, _Ap>)
3397 else if (__builtin_is_constant_evaluated())
3398 return _Tp([&](
auto __i)
constexpr {
3399 return __i < simd_size_v<_Up, _Ap> ? __x[__i] : _Up();
3401 else if constexpr (simd_size_v<_Up, _Ap> == 1)
3407 else if constexpr (_Tp::size() == 1)
3409 else if constexpr (
sizeof(_Tp) ==
sizeof(__x)
3410 && !__is_fixed_size_abi_v<_Ap> && !__is_sve_abi<_Ap>())
3411 return {__private_init,
3412 __vector_bitcast<typename _Tp::value_type, _Tp::size()>(
3413 _Ap::_S_masked(__data(__x))._M_data)};
3417 __builtin_memcpy(&__data(__r), &__data(__x),
3419 *
std::min(_Tp::size(), simd_size_v<_Up, _Ap>));
3424template <
typename _Tp,
typename _Up,
typename _Ap>
3425 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3426 enable_if_t<is_simd_mask_v<_Tp>, _Tp>
3427 resizing_simd_cast(
const simd_mask<_Up, _Ap>& __x)
3429 return {__private_init, _Tp::abi_type::_MaskImpl::template _S_convert<
3430 typename _Tp::simd_type::value_type>(__x)};
3436template <
typename _Tp,
int _Np>
3437 _GLIBCXX_SIMD_INTRINSIC fixed_size_simd<_Tp, _Np>
3438 to_fixed_size(
const fixed_size_simd<_Tp, _Np>& __x)
3441template <
typename _Tp,
int _Np>
3442 _GLIBCXX_SIMD_INTRINSIC fixed_size_simd_mask<_Tp, _Np>
3443 to_fixed_size(
const fixed_size_simd_mask<_Tp, _Np>& __x)
3446template <
typename _Tp,
typename _Ap>
3447 _GLIBCXX_SIMD_INTRINSIC fixed_size_simd<_Tp, simd_size_v<_Tp, _Ap>>
3448 to_fixed_size(
const simd<_Tp, _Ap>& __x)
3450 using _Rp = fixed_size_simd<_Tp, simd_size_v<_Tp, _Ap>>;
3451 return _Rp([&__x](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
return __x[__i]; });
3454template <
typename _Tp,
typename _Ap>
3455 _GLIBCXX_SIMD_INTRINSIC fixed_size_simd_mask<_Tp, simd_size_v<_Tp, _Ap>>
3456 to_fixed_size(
const simd_mask<_Tp, _Ap>& __x)
3458 return {__private_init,
3459 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
return __x[__i]; }};
3463template <
typename _Tp,
int _Np>
3464 _GLIBCXX_SIMD_INTRINSIC
3465 enable_if_t<(_Np == native_simd<_Tp>::size()), native_simd<_Tp>>
3466 to_native(
const fixed_size_simd<_Tp, _Np>& __x)
3468 alignas(memory_alignment_v<native_simd<_Tp>>) _Tp __mem[_Np];
3469 __x.copy_to(__mem, vector_aligned);
3470 return {__mem, vector_aligned};
3473template <
typename _Tp,
int _Np>
3474 _GLIBCXX_SIMD_INTRINSIC
3475 enable_if_t<(_Np == native_simd_mask<_Tp>::size()), native_simd_mask<_Tp>>
3476 to_native(
const fixed_size_simd_mask<_Tp, _Np>& __x)
3478 return native_simd_mask<_Tp>(
3480 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
return __x[__i]; });
3484template <
typename _Tp,
int _Np>
3485 _GLIBCXX_SIMD_INTRINSIC
enable_if_t<(_Np == simd<_Tp>::size()), simd<_Tp>>
3486 to_compatible(
const simd<_Tp, simd_abi::fixed_size<_Np>>& __x)
3488 alignas(memory_alignment_v<simd<_Tp>>) _Tp __mem[_Np];
3489 __x.copy_to(__mem, vector_aligned);
3490 return {__mem, vector_aligned};
3493template <
typename _Tp,
int _Np>
3494 _GLIBCXX_SIMD_INTRINSIC
3495 enable_if_t<(_Np == simd_mask<_Tp>::size()), simd_mask<_Tp>>
3496 to_compatible(
const simd_mask<_Tp, simd_abi::fixed_size<_Np>>& __x)
3498 return simd_mask<_Tp>(
3500 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
return __x[__i]; });
3507template <
typename _M,
typename _Tp>
3508 class const_where_expression
3511 static_assert(is_same_v<_V, __remove_cvref_t<_Tp>>);
3513 struct _Wrapper {
using value_type = _V; };
3516 using _Impl =
typename _V::_Impl;
3519 typename conditional_t<is_arithmetic_v<_V>, _Wrapper, _V>::value_type;
3521 _GLIBCXX_SIMD_INTRINSIC
friend const _M&
3522 __get_mask(
const const_where_expression& __x)
3523 {
return __x._M_k; }
3525 _GLIBCXX_SIMD_INTRINSIC
friend const _Tp&
3526 __get_lvalue(
const const_where_expression& __x)
3527 {
return __x._M_value; }
3533 const_where_expression(
const const_where_expression&) =
delete;
3535 const_where_expression& operator=(
const const_where_expression&) =
delete;
3537 _GLIBCXX_SIMD_INTRINSIC
constexpr
3538 const_where_expression(
const _M& __kk,
const _Tp& dd)
3539 : _M_k(__kk), _M_value(const_cast<_Tp&>(dd)) {}
3541 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _V
3544 return {__private_init,
3545 _Impl::template _S_masked_unary<negate>(__data(_M_k),
3549 template <
typename _Up,
typename _Flags>
3550 [[nodiscard]] _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _V
3551 copy_from(
const _LoadStorePtr<_Up, value_type>* __mem, _IsSimdFlagType<_Flags>)
const&&
3553 return {__private_init,
3554 _Impl::_S_masked_load(__data(_M_value), __data(_M_k),
3555 _Flags::template _S_apply<_V>(__mem))};
3558 template <
typename _Up,
typename _Flags>
3559 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3560 copy_to(_LoadStorePtr<_Up, value_type>* __mem, _IsSimdFlagType<_Flags>)
const&&
3562 _Impl::_S_masked_store(__data(_M_value),
3563 _Flags::template _S_apply<_V>(__mem),
3569template <
typename _Tp>
3570 class const_where_expression<bool, _Tp>
3575 static_assert(is_same_v<_V, __remove_cvref_t<_Tp>>);
3577 struct _Wrapper {
using value_type = _V; };
3581 =
typename conditional_t<is_arithmetic_v<_V>, _Wrapper, _V>::value_type;
3583 _GLIBCXX_SIMD_INTRINSIC
friend const _M&
3584 __get_mask(
const const_where_expression& __x)
3585 {
return __x._M_k; }
3587 _GLIBCXX_SIMD_INTRINSIC
friend const _Tp&
3588 __get_lvalue(
const const_where_expression& __x)
3589 {
return __x._M_value; }
3595 const_where_expression(
const const_where_expression&) =
delete;
3596 const_where_expression& operator=(
const const_where_expression&) =
delete;
3598 _GLIBCXX_SIMD_INTRINSIC
constexpr
3599 const_where_expression(
const bool __kk,
const _Tp& dd)
3600 : _M_k(__kk), _M_value(const_cast<_Tp&>(dd)) {}
3602 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _V
3604 {
return _M_k ? -_M_value : _M_value; }
3606 template <
typename _Up,
typename _Flags>
3607 [[nodiscard]] _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _V
3608 copy_from(
const _LoadStorePtr<_Up, value_type>* __mem, _IsSimdFlagType<_Flags>)
const&&
3609 {
return _M_k ?
static_cast<_V
>(__mem[0]) : _M_value; }
3611 template <
typename _Up,
typename _Flags>
3612 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3613 copy_to(_LoadStorePtr<_Up, value_type>* __mem, _IsSimdFlagType<_Flags>)
const&&
3616 __mem[0] = _M_value;
3621template <
typename _M,
typename _Tp>
3622 class where_expression :
public const_where_expression<_M, _Tp>
3624 using _Impl =
typename const_where_expression<_M, _Tp>::_Impl;
3626 static_assert(!is_const<_Tp>::value,
3627 "where_expression may only be instantiated with __a non-const "
3630 using typename const_where_expression<_M, _Tp>::value_type;
3631 using const_where_expression<_M, _Tp>::_M_k;
3632 using const_where_expression<_M, _Tp>::_M_value;
3635 is_same<typename _M::abi_type, typename _Tp::abi_type>::value,
"");
3636 static_assert(_M::size() == _Tp::size(),
"");
3638 _GLIBCXX_SIMD_INTRINSIC
friend constexpr _Tp&
3639 __get_lvalue(where_expression& __x)
3640 {
return __x._M_value; }
3643 where_expression(
const where_expression&) =
delete;
3644 where_expression& operator=(
const where_expression&) =
delete;
3646 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3647 where_expression(
const _M& __kk, _Tp& dd)
3648 : const_where_expression<_M, _Tp>(__kk, dd) {}
3650 template <
typename _Up>
3651 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3652 operator=(_Up&& __x) &&
3654 _Impl::_S_masked_assign(__data(_M_k), __data(_M_value),
3655 __to_value_type_or_member_type<_Tp>(
3656 static_cast<_Up&&
>(__x)));
3659#define _GLIBCXX_SIMD_OP_(__op, __name) \
3660 template <typename _Up> \
3661 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR void \
3662 operator __op##=(_Up&& __x)&& \
3664 _Impl::template _S_masked_cassign( \
3665 __data(_M_k), __data(_M_value), \
3666 __to_value_type_or_member_type<_Tp>(static_cast<_Up&&>(__x)), \
3667 [](auto __impl, auto __lhs, auto __rhs) \
3668 constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA \
3669 { return __impl.__name(__lhs, __rhs); }); \
3672 _GLIBCXX_SIMD_OP_(+, _S_plus);
3673 _GLIBCXX_SIMD_OP_(-, _S_minus);
3674 _GLIBCXX_SIMD_OP_(*, _S_multiplies);
3675 _GLIBCXX_SIMD_OP_(/, _S_divides);
3676 _GLIBCXX_SIMD_OP_(%, _S_modulus);
3677 _GLIBCXX_SIMD_OP_(&, _S_bit_and);
3678 _GLIBCXX_SIMD_OP_(|, _S_bit_or);
3679 _GLIBCXX_SIMD_OP_(^, _S_bit_xor);
3680 _GLIBCXX_SIMD_OP_(<<, _S_shift_left);
3681 _GLIBCXX_SIMD_OP_(>>, _S_shift_right);
3682#undef _GLIBCXX_SIMD_OP_
3684 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3688 = _Impl::template _S_masked_unary<__increment>(__data(_M_k), __data(_M_value));
3691 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3695 = _Impl::template _S_masked_unary<__increment>(__data(_M_k), __data(_M_value));
3698 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3702 = _Impl::template _S_masked_unary<__decrement>(__data(_M_k), __data(_M_value));
3705 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3709 = _Impl::template _S_masked_unary<__decrement>(__data(_M_k), __data(_M_value));
3713 template <
typename _Up,
typename _Flags>
3714 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3715 copy_from(
const _LoadStorePtr<_Up, value_type>* __mem, _IsSimdFlagType<_Flags>) &&
3717 __data(_M_value) = _Impl::_S_masked_load(__data(_M_value), __data(_M_k),
3718 _Flags::template _S_apply<_Tp>(__mem));
3723template <
typename _Tp>
3724 class where_expression<bool, _Tp>
3725 :
public const_where_expression<bool, _Tp>
3728 using typename const_where_expression<_M, _Tp>::value_type;
3729 using const_where_expression<_M, _Tp>::_M_k;
3730 using const_where_expression<_M, _Tp>::_M_value;
3733 where_expression(
const where_expression&) =
delete;
3734 where_expression& operator=(
const where_expression&) =
delete;
3736 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3737 where_expression(
const _M& __kk, _Tp& dd)
3738 : const_where_expression<_M, _Tp>(__kk, dd) {}
3740#define _GLIBCXX_SIMD_OP_(__op) \
3741 template <typename _Up> \
3742 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR void \
3743 operator __op(_Up&& __x)&& \
3744 { if (_M_k) _M_value __op static_cast<_Up&&>(__x); }
3746 _GLIBCXX_SIMD_OP_(=)
3747 _GLIBCXX_SIMD_OP_(+=)
3748 _GLIBCXX_SIMD_OP_(-=)
3749 _GLIBCXX_SIMD_OP_(*=)
3750 _GLIBCXX_SIMD_OP_(/=)
3751 _GLIBCXX_SIMD_OP_(%=)
3752 _GLIBCXX_SIMD_OP_(&=)
3753 _GLIBCXX_SIMD_OP_(|=)
3754 _GLIBCXX_SIMD_OP_(^=)
3755 _GLIBCXX_SIMD_OP_(<<=)
3756 _GLIBCXX_SIMD_OP_(>>=)
3757 #undef _GLIBCXX_SIMD_OP_
3759 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3761 {
if (_M_k) ++_M_value; }
3763 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3765 {
if (_M_k) ++_M_value; }
3767 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3769 {
if (_M_k) --_M_value; }
3771 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3773 {
if (_M_k) --_M_value; }
3776 template <
typename _Up,
typename _Flags>
3777 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
void
3778 copy_from(
const _LoadStorePtr<_Up, value_type>* __mem, _IsSimdFlagType<_Flags>) &&
3779 {
if (_M_k) _M_value = __mem[0]; }
3783template <
typename _Tp,
typename _Ap>
3784 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3785 where_expression<simd_mask<_Tp, _Ap>, simd<_Tp, _Ap>>
3786 where(
const typename simd<_Tp, _Ap>::mask_type& __k, simd<_Tp, _Ap>& __value)
3787 {
return {__k, __value}; }
3789template <
typename _Tp,
typename _Ap>
3790 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3791 const_where_expression<simd_mask<_Tp, _Ap>, simd<_Tp, _Ap>>
3792 where(
const typename simd<_Tp, _Ap>::mask_type& __k,
const simd<_Tp, _Ap>& __value)
3793 {
return {__k, __value}; }
3795template <
typename _Tp,
typename _Ap>
3796 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3797 where_expression<simd_mask<_Tp, _Ap>, simd_mask<_Tp, _Ap>>
3798 where(
const remove_const_t<simd_mask<_Tp, _Ap>>& __k, simd_mask<_Tp, _Ap>& __value)
3799 {
return {__k, __value}; }
3801template <
typename _Tp,
typename _Ap>
3802 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3803 const_where_expression<simd_mask<_Tp, _Ap>, simd_mask<_Tp, _Ap>>
3804 where(
const remove_const_t<simd_mask<_Tp, _Ap>>& __k,
const simd_mask<_Tp, _Ap>& __value)
3805 {
return {__k, __value}; }
3807template <
typename _Tp>
3808 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR where_expression<bool, _Tp>
3809 where(_ExactBool __k, _Tp& __value)
3810 {
return {__k, __value}; }
3812template <
typename _Tp>
3813 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR const_where_expression<bool, _Tp>
3814 where(_ExactBool __k,
const _Tp& __value)
3815 {
return {__k, __value}; }
3817template <
typename _Tp,
typename _Ap>
3818 _GLIBCXX_SIMD_CONSTEXPR
void
3819 where(
bool __k, simd<_Tp, _Ap>& __value) =
delete;
3821template <
typename _Tp,
typename _Ap>
3822 _GLIBCXX_SIMD_CONSTEXPR
void
3823 where(
bool __k,
const simd<_Tp, _Ap>& __value) =
delete;
3826namespace __proposed {
3827template <
size_t _Np>
3830 const bitset<_Np> __bits;
3833 where_range(bitset<_Np> __b) : __bits(__b) {}
3840 _GLIBCXX_SIMD_INTRINSIC
void
3842 { __bit = __builtin_ctzl(__mask); }
3844 _GLIBCXX_SIMD_INTRINSIC
void
3848 __mask &= (__mask - 1);
3853 iterator(
decltype(__mask) __m) : __mask(__m) { __next_bit(); }
3854 iterator(
const iterator&) =
default;
3855 iterator(iterator&&) =
default;
3857 _GLIBCXX_SIMD_ALWAYS_INLINE
size_t
3861 _GLIBCXX_SIMD_ALWAYS_INLINE
size_t
3865 _GLIBCXX_SIMD_ALWAYS_INLINE iterator&
3873 _GLIBCXX_SIMD_ALWAYS_INLINE iterator
3876 iterator __tmp = *
this;
3882 _GLIBCXX_SIMD_ALWAYS_INLINE
bool
3883 operator==(
const iterator& __rhs)
const
3884 {
return __mask == __rhs.__mask; }
3886 _GLIBCXX_SIMD_ALWAYS_INLINE
bool
3887 operator!=(
const iterator& __rhs)
const
3888 {
return __mask != __rhs.__mask; }
3893 {
return __bits.to_ullong(); }
3900template <
typename _Tp,
typename _Ap>
3901 where_range<simd_size_v<_Tp, _Ap>>
3902 where(
const simd_mask<_Tp, _Ap>& __k)
3903 {
return __k.__to_bitset(); }
3909template <
typename _Tp,
typename _Abi,
typename _BinaryOperation = plus<>>
3910 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _Tp
3911 reduce(
const simd<_Tp, _Abi>& __v, _BinaryOperation __binary_op = _BinaryOperation())
3912 {
return _Abi::_SimdImpl::_S_reduce(__v, __binary_op); }
3914template <
typename _M,
typename _V,
typename _BinaryOperation = plus<>>
3915 _GLIBCXX_SIMD_INTRINSIC
typename _V::value_type
3916 reduce(
const const_where_expression<_M, _V>& __x,
3917 typename _V::value_type __identity_element, _BinaryOperation __binary_op)
3919 if (__builtin_expect(none_of(__get_mask(__x)),
false))
3920 return __identity_element;
3922 _V __tmp = __identity_element;
3923 _V::_Impl::_S_masked_assign(__data(__get_mask(__x)), __data(__tmp),
3924 __data(__get_lvalue(__x)));
3925 return reduce(__tmp, __binary_op);
3928template <
typename _M,
typename _V>
3929 _GLIBCXX_SIMD_INTRINSIC
typename _V::value_type
3930 reduce(
const const_where_expression<_M, _V>& __x, plus<> __binary_op = {})
3931 {
return reduce(__x, 0, __binary_op); }
3933template <
typename _M,
typename _V>
3934 _GLIBCXX_SIMD_INTRINSIC
typename _V::value_type
3935 reduce(
const const_where_expression<_M, _V>& __x, multiplies<> __binary_op)
3936 {
return reduce(__x, 1, __binary_op); }
3938template <
typename _M,
typename _V>
3939 _GLIBCXX_SIMD_INTRINSIC
typename _V::value_type
3940 reduce(
const const_where_expression<_M, _V>& __x, bit_and<> __binary_op)
3941 {
return reduce(__x, ~
typename _V::value_type(), __binary_op); }
3943template <
typename _M,
typename _V>
3944 _GLIBCXX_SIMD_INTRINSIC
typename _V::value_type
3945 reduce(
const const_where_expression<_M, _V>& __x, bit_or<> __binary_op)
3946 {
return reduce(__x, 0, __binary_op); }
3948template <
typename _M,
typename _V>
3949 _GLIBCXX_SIMD_INTRINSIC
typename _V::value_type
3950 reduce(
const const_where_expression<_M, _V>& __x, bit_xor<> __binary_op)
3951 {
return reduce(__x, 0, __binary_op); }
3953template <
typename _Tp,
typename _Abi>
3954 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _Tp
3955 hmin(
const simd<_Tp, _Abi>& __v)
noexcept
3956 {
return _Abi::_SimdImpl::_S_reduce(__v, __detail::_Minimum()); }
3958template <
typename _Tp,
typename _Abi>
3959 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR _Tp
3960 hmax(
const simd<_Tp, _Abi>& __v)
noexcept
3961 {
return _Abi::_SimdImpl::_S_reduce(__v, __detail::_Maximum()); }
3963template <
typename _M,
typename _V>
3964 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3965 typename _V::value_type
3966 hmin(
const const_where_expression<_M, _V>& __x)
noexcept
3968 using _Tp =
typename _V::value_type;
3969 constexpr _Tp __id_elem =
3970#ifdef __FINITE_MATH_ONLY__
3971 __finite_max_v<_Tp>;
3973 __value_or<__infinity, _Tp>(__finite_max_v<_Tp>);
3975 _V __tmp = __id_elem;
3976 _V::_Impl::_S_masked_assign(__data(__get_mask(__x)), __data(__tmp),
3977 __data(__get_lvalue(__x)));
3978 return _V::abi_type::_SimdImpl::_S_reduce(__tmp, __detail::_Minimum());
3981template <
typename _M,
typename _V>
3982 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
3983 typename _V::value_type
3984 hmax(
const const_where_expression<_M, _V>& __x)
noexcept
3986 using _Tp =
typename _V::value_type;
3987 constexpr _Tp __id_elem =
3988#ifdef __FINITE_MATH_ONLY__
3989 __finite_min_v<_Tp>;
3992 if constexpr (__value_exists_v<__infinity, _Tp>)
3993 return -__infinity_v<_Tp>;
3995 return __finite_min_v<_Tp>;
3998 _V __tmp = __id_elem;
3999 _V::_Impl::_S_masked_assign(__data(__get_mask(__x)), __data(__tmp),
4000 __data(__get_lvalue(__x)));
4001 return _V::abi_type::_SimdImpl::_S_reduce(__tmp, __detail::_Maximum());
4006template <
typename _Tp,
typename _Ap>
4007 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR simd<_Tp, _Ap>
4008 min(
const simd<_Tp, _Ap>& __a,
const simd<_Tp, _Ap>& __b)
4009 {
return {__private_init, _Ap::_SimdImpl::_S_min(__data(__a), __data(__b))}; }
4011template <
typename _Tp,
typename _Ap>
4012 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR simd<_Tp, _Ap>
4013 max(
const simd<_Tp, _Ap>& __a,
const simd<_Tp, _Ap>& __b)
4014 {
return {__private_init, _Ap::_SimdImpl::_S_max(__data(__a), __data(__b))}; }
4016template <
typename _Tp,
typename _Ap>
4017 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
4018 pair<simd<_Tp, _Ap>, simd<_Tp, _Ap>>
4019 minmax(
const simd<_Tp, _Ap>& __a,
const simd<_Tp, _Ap>& __b)
4021 const auto pair_of_members
4022 = _Ap::_SimdImpl::_S_minmax(__data(__a), __data(__b));
4023 return {simd<_Tp, _Ap>(__private_init, pair_of_members.first),
4024 simd<_Tp, _Ap>(__private_init, pair_of_members.second)};
4027template <
typename _Tp,
typename _Ap>
4028 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR simd<_Tp, _Ap>
4029 clamp(
const simd<_Tp, _Ap>& __v,
const simd<_Tp, _Ap>& __lo,
const simd<_Tp, _Ap>& __hi)
4031 using _Impl =
typename _Ap::_SimdImpl;
4032 return {__private_init,
4033 _Impl::_S_min(__data(__hi),
4034 _Impl::_S_max(__data(__lo), __data(__v)))};
4039template <
size_t... _Sizes,
typename _Tp,
typename _Ap,
4040 typename =
enable_if_t<((_Sizes + ...) == simd<_Tp, _Ap>::size())>>
4041 inline tuple<simd<_Tp, simd_abi::deduce_t<_Tp, _Sizes>>...>
4042 split(
const simd<_Tp, _Ap>&);
4045template <
int _Index,
int _Total,
int _Combine = 1,
typename _Tp,
size_t _Np>
4046 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_CONST
constexpr
4047 conditional_t<_Np == _Total and _Combine == 1, _Tp, _SimdWrapper<_Tp, _Np / _Total * _Combine>>
4048 __extract_part(
const _SimdWrapper<_Tp, _Np> __x);
4050template <
int _Index,
int _Parts,
int _Combine = 1,
typename _Tp,
typename _A0,
typename... _As>
4051 _GLIBCXX_SIMD_INTRINSIC
constexpr auto
4052 __extract_part(
const _SimdTuple<_Tp, _A0, _As...>& __x);
4056template <
size_t _V0,
size_t... _Values>
4059 template <
size_t _I>
4060 static constexpr size_t
4061 _S_at(_SizeConstant<_I> = {})
4063 if constexpr (_I == 0)
4066 return _SizeList<_Values...>::template _S_at<_I - 1>();
4069 template <
size_t _I>
4070 static constexpr auto
4071 _S_before(_SizeConstant<_I> = {})
4073 if constexpr (_I == 0)
4074 return _SizeConstant<0>();
4076 return _SizeConstant<
4077 _V0 + _SizeList<_Values...>::template _S_before<_I - 1>()>();
4080 template <
size_t _Np>
4081 static constexpr auto
4082 _S_pop_front(_SizeConstant<_Np> = {})
4084 if constexpr (_Np == 0)
4087 return _SizeList<_Values...>::template _S_pop_front<_Np - 1>();
4093template <
typename _Tp,
size_t _Np>
4094 _GLIBCXX_SIMD_INTRINSIC _SimdWrapper<_Tp, _Np / 2>
4095 __extract_center(_SimdWrapper<_Tp, _Np> __x)
4097 static_assert(_Np >= 4);
4098 static_assert(_Np % 4 == 0);
4099#if _GLIBCXX_SIMD_X86INTRIN
4100 if constexpr (__have_avx512f &&
sizeof(_Tp) * _Np == 64)
4102 const auto __intrin = __to_intrin(__x);
4103 if constexpr (is_integral_v<_Tp>)
4104 return __vector_bitcast<_Tp>(_mm512_castsi512_si256(
4105 _mm512_shuffle_i32x4(__intrin, __intrin,
4106 1 + 2 * 0x4 + 2 * 0x10 + 3 * 0x40)));
4107 else if constexpr (
sizeof(_Tp) == 4)
4108 return __vector_bitcast<_Tp>(_mm512_castps512_ps256(
4109 _mm512_shuffle_f32x4(__intrin, __intrin,
4110 1 + 2 * 0x4 + 2 * 0x10 + 3 * 0x40)));
4111 else if constexpr (
sizeof(_Tp) == 8)
4112 return __vector_bitcast<_Tp>(_mm512_castpd512_pd256(
4113 _mm512_shuffle_f64x2(__intrin, __intrin,
4114 1 + 2 * 0x4 + 2 * 0x10 + 3 * 0x40)));
4116 __assert_unreachable<_Tp>();
4118 else if constexpr (
sizeof(_Tp) * _Np == 32 && is_floating_point_v<_Tp>)
4119 return __vector_bitcast<_Tp>(
4120 _mm_shuffle_pd(__lo128(__vector_bitcast<double>(__x)),
4121 __hi128(__vector_bitcast<double>(__x)), 1));
4122 else if constexpr (
sizeof(__x) == 32 &&
sizeof(_Tp) * _Np <= 32)
4123 return __vector_bitcast<_Tp>(
4124 _mm_alignr_epi8(__hi128(__vector_bitcast<_LLong>(__x)),
4125 __lo128(__vector_bitcast<_LLong>(__x)),
4126 sizeof(_Tp) * _Np / 4));
4130 __vector_type_t<_Tp, _Np / 2> __r;
4131 __builtin_memcpy(&__r,
4132 reinterpret_cast<const char*
>(&__x)
4133 +
sizeof(_Tp) * _Np / 4,
4134 sizeof(_Tp) * _Np / 2);
4139template <
typename _Tp,
typename _A0,
typename... _As>
4140 _GLIBCXX_SIMD_INTRINSIC
4141 _SimdWrapper<_Tp, _SimdTuple<_Tp, _A0, _As...>::_S_size() / 2>
4142 __extract_center(
const _SimdTuple<_Tp, _A0, _As...>& __x)
4144 if constexpr (
sizeof...(_As) == 0)
4145 return __extract_center(__x.first);
4147 return __extract_part<1, 4, 2>(__x);
4152template <
size_t... _Sizes,
typename _Tp,
typename... _As>
4154 __split_wrapper(_SizeList<_Sizes...>,
const _SimdTuple<_Tp, _As...>& __x)
4156 return split<_Sizes...>(
4157 fixed_size_simd<_Tp, _SimdTuple<_Tp, _As...>::_S_size()>(__private_init,
4164template <
typename _V,
typename _Ap,
4165 size_t _Parts = simd_size_v<typename _V::value_type, _Ap> / _V::size()>
4166 enable_if_t<simd_size_v<typename _V::value_type, _Ap> == _Parts * _V::size()
4167 && is_simd_v<_V>, array<_V, _Parts>>
4168 split(
const simd<typename _V::value_type, _Ap>& __x)
4170 using _Tp =
typename _V::value_type;
4172 auto __gen_fallback = [&]()
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4173 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4174 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4175 return _V([&](
auto __j)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
4176 {
return __x[__i * _V::size() + __j]; });
4180 if constexpr (_Parts == 1)
4182 return {simd_cast<_V>(__x)};
4184 else if (__x._M_is_constprop())
4186 return __gen_fallback();
4188#if _GLIBCXX_SIMD_HAVE_SVE
4189 else if constexpr(__is_sve_abi<_Ap>)
4191 return __gen_fallback();
4195 __is_fixed_size_abi_v<_Ap>
4196 && (is_same_v<typename _V::abi_type, simd_abi::scalar>
4197 || (__is_fixed_size_abi_v<typename _V::abi_type>
4198 &&
sizeof(_V) ==
sizeof(_Tp) * _V::size()
4202#ifdef _GLIBCXX_SIMD_USE_ALIASING_LOADS
4203 const __may_alias<_Tp>*
const __element_ptr
4204 =
reinterpret_cast<const __may_alias<_Tp>*
>(&__data(__x));
4205 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4206 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
4207 {
return _V(__element_ptr + __i * _V::size(), vector_aligned); });
4209 const auto& __xx = __data(__x);
4210 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4211 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4212 [[maybe_unused]]
constexpr size_t __offset
4213 =
decltype(__i)::value * _V::size();
4214 return _V([&](
auto __j)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4215 constexpr _SizeConstant<__j + __offset> __k;
4221 else if constexpr (is_same_v<typename _V::abi_type, simd_abi::scalar>)
4224 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4225 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
return __x[__i]; });
4229 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4230 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4231 if constexpr (__is_fixed_size_abi_v<typename _V::abi_type>)
4232 return _V([&](
auto __j)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4233 return __x[__i * _V::size() + __j];
4236 return _V(__private_init,
4237 __extract_part<
decltype(__i)::value, _Parts>(__data(__x)));
4244template <
typename _V,
typename _Ap,
4245 size_t _Parts = simd_size_v<typename _V::simd_type::value_type, _Ap> / _V::size()>
4246 enable_if_t<is_simd_mask_v<_V> && simd_size_v<
typename
4247 _V::simd_type::value_type, _Ap> == _Parts * _V::size(), array<_V, _Parts>>
4248 split(
const simd_mask<typename _V::simd_type::value_type, _Ap>& __x)
4250 if constexpr (is_same_v<_Ap, typename _V::abi_type>)
4252 else if constexpr (_Parts == 1)
4253 return {__proposed::static_simd_cast<_V>(__x)};
4254 else if constexpr (_Parts == 2 && __is_sse_abi<typename _V::abi_type>()
4255 && __is_avx_abi<_Ap>())
4256 return {_V(__private_init, __lo128(__data(__x))),
4257 _V(__private_init, __hi128(__data(__x)))};
4258 else if constexpr (_V::size() <= __CHAR_BIT__ *
sizeof(_ULLong))
4260 const bitset __bits = __x.__to_bitset();
4261 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4262 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4263 constexpr size_t __offset = __i * _V::size();
4264 return _V(__bitset_init, (__bits >> __offset).to_ullong());
4269 return __generate_from_n_evaluations<_Parts, array<_V, _Parts>>(
4270 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4271 constexpr size_t __offset = __i * _V::size();
4272 return _V(__private_init,
4273 [&](
auto __j)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4274 return __x[__j + __offset];
4282template <
size_t... _Sizes,
typename _Tp,
typename _Ap,
typename>
4283 _GLIBCXX_SIMD_ALWAYS_INLINE
4284 tuple<simd<_Tp, simd_abi::deduce_t<_Tp, _Sizes>>...>
4285 split(
const simd<_Tp, _Ap>& __x)
4287 using _SL = _SizeList<_Sizes...>;
4288 using _Tuple = tuple<__deduced_simd<_Tp, _Sizes>...>;
4289 constexpr size_t _Np = simd_size_v<_Tp, _Ap>;
4290 constexpr size_t _N0 = _SL::template _S_at<0>();
4291 using _V = __deduced_simd<_Tp, _N0>;
4293 auto __gen_fallback = [&]()
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
4295 return __generate_from_n_evaluations<
sizeof...(_Sizes), _Tuple>(
4296 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4297 using _Vi = __deduced_simd<_Tp, _SL::_S_at(__i)>;
4298 constexpr size_t __offset = _SL::_S_before(__i);
4299 return _Vi([&](
auto __j)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4300 return __x[__offset + __j];
4305 if (__x._M_is_constprop())
4307#if _GLIBCXX_SIMD_HAVE_SVE
4308 else if constexpr (__have_sve)
4311 else if constexpr (_Np == _N0)
4313 static_assert(
sizeof...(_Sizes) == 1);
4314 return {simd_cast<_V>(__x)};
4317 (__is_fixed_size_abi_v<
4318 _Ap> && __fixed_size_storage_t<_Tp, _Np>::_S_first_size == _N0)
4321 !__is_fixed_size_abi_v<typename _V::abi_type>,
4322 "How can <_Tp, _Np> be __a single _SimdTuple entry but __a "
4328 __split_wrapper(_SL::template _S_pop_front<1>(),
4329 __data(__x).second));
4331 else if constexpr ((!__is_fixed_size_abi_v<simd_abi::deduce_t<_Tp, _Sizes>> && ...))
4333 constexpr array<size_t,
sizeof...(_Sizes)> __size = {_Sizes...};
4334 return __generate_from_n_evaluations<
sizeof...(_Sizes), _Tuple>(
4335 [&](
auto __i)
constexpr {
4336 constexpr size_t __offset = [&]() {
4338 for (
unsigned __j = 0; __j < __i; ++__j)
4342 return __deduced_simd<_Tp, __size[__i]>(
4344 __extract_part<__offset, _Np, __size[__i]>(__data(__x)));
4347#ifdef _GLIBCXX_SIMD_USE_ALIASING_LOADS
4348 const __may_alias<_Tp>*
const __element_ptr
4349 =
reinterpret_cast<const __may_alias<_Tp>*
>(&__x);
4350 return __generate_from_n_evaluations<
sizeof...(_Sizes), _Tuple>(
4351 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4352 using _Vi = __deduced_simd<_Tp, _SL::_S_at(__i)>;
4353 constexpr size_t __offset = _SL::_S_before(__i);
4354 constexpr size_t __base_align =
alignof(simd<_Tp, _Ap>);
4355 constexpr size_t __a
4356 = __base_align - ((__offset *
sizeof(_Tp)) % __base_align);
4357 constexpr size_t __b = ((__a - 1) & __a) ^ __a;
4358 constexpr size_t __alignment = __b == 0 ? __a : __b;
4359 return _Vi(__element_ptr + __offset, overaligned<__alignment>);
4362 return __generate_from_n_evaluations<
sizeof...(_Sizes), _Tuple>(
4363 [&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4364 using _Vi = __deduced_simd<_Tp, _SL::_S_at(__i)>;
4365 const auto& __xx = __data(__x);
4366 using _Offset =
decltype(_SL::_S_before(__i));
4367 return _Vi([&](
auto __j)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4368 constexpr _SizeConstant<_Offset::value + __j> __k;
4378template <
size_t _I,
typename _Tp,
typename _Ap,
typename... _As>
4379 _GLIBCXX_SIMD_INTRINSIC
constexpr _Tp
4380 __subscript_in_pack(
const simd<_Tp, _Ap>& __x,
const simd<_Tp, _As>&... __xs)
4382 if constexpr (_I < simd_size_v<_Tp, _Ap>)
4385 return __subscript_in_pack<_I - simd_size_v<_Tp, _Ap>>(__xs...);
4390template <
typename _Tp,
typename _A0,
typename... _As>
4391 _GLIBCXX_SIMD_INTRINSIC
void
4392 __store_pack_of_simd(
char* __mem,
const simd<_Tp, _A0>& __x0,
const simd<_Tp, _As>&... __xs)
4394 constexpr size_t __n_bytes =
sizeof(_Tp) * simd_size_v<_Tp, _A0>;
4395 __builtin_memcpy(__mem, &__data(__x0), __n_bytes);
4396 if constexpr (
sizeof...(__xs) > 0)
4397 __store_pack_of_simd(__mem + __n_bytes, __xs...);
4402template <
typename _Tp,
typename... _As,
typename = __detail::__odr_helper>
4403 inline _GLIBCXX_SIMD_CONSTEXPR
4404 simd<_Tp, simd_abi::deduce_t<_Tp, (simd_size_v<_Tp, _As> + ...)>>
4405 concat(
const simd<_Tp, _As>&... __xs)
4407 constexpr int _Np = (simd_size_v<_Tp, _As> + ...);
4408 using _Abi = simd_abi::deduce_t<_Tp, _Np>;
4409 using _Rp = simd<_Tp, _Abi>;
4410 using _RW =
typename _SimdTraits<_Tp, _Abi>::_SimdMember;
4411 if constexpr (
sizeof...(__xs) == 1)
4412 return simd_cast<_Rp>(__xs...);
4413 else if ((... && __xs._M_is_constprop()))
4414 return _Rp([&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA
4415 {
return __subscript_in_pack<__i>(__xs...); });
4416 else if constexpr (__is_simd_wrapper_v<_RW> and
sizeof...(__xs) == 2)
4418 return {__private_init,
4421 constexpr int __sizes[2] = {int(simd_size_v<_Tp, _As>)...};
4422 constexpr int __vsizes[2]
4423 = {int(
sizeof(__as_vector(__xs)) /
sizeof(_Tp))...};
4424 constexpr int __padding0 = __vsizes[0] - __sizes[0];
4425 return __i >= _Np ? -1 : __i < __sizes[0] ? __i : __i + __padding0;
4428 else if constexpr (__is_simd_wrapper_v<_RW> and
sizeof...(__xs) == 3)
4429 return [](
const auto& __x0,
const auto& __x1,
const auto& __x2)
4430 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4431 return concat(concat(__x0, __x1), __x2);
4433 else if constexpr (__is_simd_wrapper_v<_RW> and
sizeof...(__xs) > 3)
4434 return [](
const auto& __x0,
const auto& __x1,
const auto&... __rest)
4435 _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4436 return concat(concat(__x0, __x1), concat(__rest...));
4441 __store_pack_of_simd(
reinterpret_cast<char*
>(&__data(__r)), __xs...);
4448template <
typename _Tp,
typename _Abi,
size_t _Np>
4449 _GLIBCXX_SIMD_ALWAYS_INLINE
4450 _GLIBCXX_SIMD_CONSTEXPR __deduced_simd<_Tp, simd_size_v<_Tp, _Abi> * _Np>
4451 concat(
const array<simd<_Tp, _Abi>, _Np>& __x)
4453 return __call_with_subscripts<_Np>(
4454 __x, [](
const auto&... __xs) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
4455 return concat(__xs...);
4463template <
typename _Up,
typename _Accessor = _Up,
4464 typename _ValueType =
typename _Up::value_type>
4465 class _SmartReference
4471 _GLIBCXX_SIMD_INTRINSIC
constexpr _ValueType
4472 _M_read() const noexcept
4474 if constexpr (is_arithmetic_v<_Up>)
4477 return _M_obj[_M_index];
4480 template <
typename _Tp>
4481 _GLIBCXX_SIMD_INTRINSIC
constexpr void
4482 _M_write(_Tp&& __x)
const
4483 { _Accessor::_S_set(_M_obj, _M_index,
static_cast<_Tp&&
>(__x)); }
4486 _GLIBCXX_SIMD_INTRINSIC
constexpr
4487 _SmartReference(_Up& __o,
int __i) noexcept
4488 : _M_index(__i), _M_obj(__o) {}
4490 using value_type = _ValueType;
4492 _GLIBCXX_SIMD_INTRINSIC
4493 _SmartReference(
const _SmartReference&) =
delete;
4495 _GLIBCXX_SIMD_INTRINSIC
constexpr
4496 operator value_type() const noexcept
4497 {
return _M_read(); }
4499 template <
typename _Tp,
typename = _ValuePreservingOrInt<__remove_cvref_t<_Tp>, value_type>>
4500 _GLIBCXX_SIMD_INTRINSIC
constexpr _SmartReference
4501 operator=(_Tp&& __x) &&
4503 _M_write(
static_cast<_Tp&&
>(__x));
4504 return {_M_obj, _M_index};
4507#define _GLIBCXX_SIMD_OP_(__op) \
4508 template <typename _Tp, \
4509 typename _TT = decltype(declval<value_type>() __op declval<_Tp>()), \
4510 typename = _ValuePreservingOrInt<__remove_cvref_t<_Tp>, _TT>, \
4511 typename = _ValuePreservingOrInt<_TT, value_type>> \
4512 _GLIBCXX_SIMD_INTRINSIC constexpr _SmartReference \
4513 operator __op##=(_Tp&& __x) && \
4515 const value_type& __lhs = _M_read(); \
4516 _M_write(__lhs __op __x); \
4517 return {_M_obj, _M_index}; \
4519 _GLIBCXX_SIMD_ALL_ARITHMETICS(_GLIBCXX_SIMD_OP_);
4520 _GLIBCXX_SIMD_ALL_SHIFTS(_GLIBCXX_SIMD_OP_);
4521 _GLIBCXX_SIMD_ALL_BINARY(_GLIBCXX_SIMD_OP_);
4522#undef _GLIBCXX_SIMD_OP_
4524 template <
typename _Tp = void,
4525 typename =
decltype(++declval<conditional_t<true, value_type, _Tp>&>())>
4526 _GLIBCXX_SIMD_INTRINSIC
constexpr _SmartReference
4529 value_type __x = _M_read();
4531 return {_M_obj, _M_index};
4534 template <
typename _Tp = void,
4535 typename =
decltype(declval<conditional_t<true, value_type, _Tp>&>()++)>
4536 _GLIBCXX_SIMD_INTRINSIC
constexpr value_type
4539 const value_type __r = _M_read();
4540 value_type __x = __r;
4545 template <
typename _Tp = void,
4546 typename =
decltype(--declval<conditional_t<true, value_type, _Tp>&>())>
4547 _GLIBCXX_SIMD_INTRINSIC
constexpr _SmartReference
4550 value_type __x = _M_read();
4552 return {_M_obj, _M_index};
4555 template <
typename _Tp = void,
4556 typename =
decltype(declval<conditional_t<true, value_type, _Tp>&>()--)>
4557 _GLIBCXX_SIMD_INTRINSIC
constexpr value_type
4560 const value_type __r = _M_read();
4561 value_type __x = __r;
4566 _GLIBCXX_SIMD_INTRINSIC
friend void
4567 swap(_SmartReference&& __a, _SmartReference&& __b)
noexcept(
4569 is_nothrow_constructible<value_type, _SmartReference&&>,
4570 is_nothrow_assignable<_SmartReference&&, value_type&&>>::value)
4572 value_type __tmp =
static_cast<_SmartReference&&
>(__a);
4573 static_cast<_SmartReference&&
>(__a) =
static_cast<value_type
>(__b);
4574 static_cast<_SmartReference&&
>(__b) =
std::move(__tmp);
4577 _GLIBCXX_SIMD_INTRINSIC
friend void
4578 swap(value_type& __a, _SmartReference&& __b)
noexcept(
4580 is_nothrow_constructible<value_type, value_type&&>,
4581 is_nothrow_assignable<value_type&, value_type&&>,
4582 is_nothrow_assignable<_SmartReference&&, value_type&&>>::value)
4585 __a =
static_cast<value_type
>(__b);
4586 static_cast<_SmartReference&&
>(__b) =
std::move(__tmp);
4589 _GLIBCXX_SIMD_INTRINSIC
friend void
4590 swap(_SmartReference&& __a, value_type& __b)
noexcept(
4592 is_nothrow_constructible<value_type, _SmartReference&&>,
4593 is_nothrow_assignable<value_type&, value_type&&>,
4594 is_nothrow_assignable<_SmartReference&&, value_type&&>>::value)
4596 value_type __tmp(__a);
4597 static_cast<_SmartReference&&
>(__a) =
std::move(__b);
4604template <
int _Bytes>
4605 struct __scalar_abi_wrapper
4607 template <
typename _Tp>
static constexpr size_t _S_full_size = 1;
4608 template <
typename _Tp>
static constexpr size_t _S_size = 1;
4609 template <
typename _Tp>
static constexpr size_t _S_is_partial =
false;
4611 template <
typename _Tp,
typename _Abi = simd_abi::scalar>
4612 static constexpr bool _S_is_valid_v
4613 = _Abi::template _IsValid<_Tp>::value &&
sizeof(_Tp) == _Bytes;
4618template <
typename _Tp>
4619 struct __decay_abi {
using type = _Tp; };
4621template <
int _Bytes>
4622 struct __decay_abi<__scalar_abi_wrapper<_Bytes>>
4623 {
using type = simd_abi::scalar; };
4631template <
template <
int>
class _Abi,
int _Bytes,
typename _Tp>
4632 struct __find_next_valid_abi
4634 static constexpr auto
4638 using _NextAbi = _Abi<_NextBytes>;
4639 if constexpr (_NextBytes <
sizeof(_Tp) * 2)
4640 return _Abi<_Bytes>();
4641 else if constexpr (_NextAbi::template _S_is_partial<_Tp> ==
false
4642 && _NextAbi::template _S_is_valid_v<_Tp>)
4645 return __find_next_valid_abi<_Abi, _NextBytes, _Tp>::_S_choose();
4648 using type =
decltype(_S_choose());
4651template <
int _Bytes,
typename _Tp>
4652 struct __find_next_valid_abi<__scalar_abi_wrapper, _Bytes, _Tp>
4653 {
using type = simd_abi::scalar; };
4656template <
template <
int>
class...>
4659 template <
typename,
int>
static constexpr bool _S_has_valid_abi =
false;
4660 template <
typename,
int>
using _FirstValidAbi = void;
4661 template <
typename,
int>
using _BestAbi = void;
4664template <
template <
int>
class _A0,
template <
int>
class... _Rest>
4665 struct _AbiList<_A0, _Rest...>
4667 template <
typename _Tp,
int _Np>
4668 static constexpr bool _S_has_valid_abi
4669 = _A0<
sizeof(_Tp) * _Np>::template _S_is_valid_v<
4670 _Tp> || _AbiList<_Rest...>::template _S_has_valid_abi<_Tp, _Np>;
4672 template <
typename _Tp,
int _Np>
4674 _A0<
sizeof(_Tp) * _Np>::template _S_is_valid_v<_Tp>,
4675 typename __decay_abi<_A0<
sizeof(_Tp) * _Np>>::type,
4676 typename _AbiList<_Rest...>::template _FirstValidAbi<_Tp, _Np>>;
4678 template <
typename _Tp,
int _Np>
4679 static constexpr auto
4680 _S_determine_best_abi()
4682 static_assert(_Np >= 1);
4683 constexpr int _Bytes =
sizeof(_Tp) * _Np;
4684 if constexpr (_Np == 1)
4685 return __make_dependent_t<_Tp, simd_abi::scalar>{};
4688 constexpr int __fullsize = _A0<_Bytes>::template _S_full_size<_Tp>;
4693 if constexpr (_A0<_Bytes>::template _S_is_valid_v<_Tp>
4694 && ((__is_sve_abi<_A0<_Bytes>>() && __have_sve
4695 && (_Np <= __sve_vectorized_size_bytes/
sizeof(_Tp)))
4696 || (__fullsize / 2 < _Np))
4698 return typename __decay_abi<_A0<_Bytes>>::type{};
4702 typename __find_next_valid_abi<_A0, _Bytes, _Tp>::type;
4703 if constexpr (_Bp::template _S_is_valid_v<
4704 _Tp> && _Bp::template _S_size<_Tp> <= _Np)
4708 typename _AbiList<_Rest...>::template _BestAbi<_Tp, _Np>{};
4713 template <
typename _Tp,
int _Np>
4714 using _BestAbi =
decltype(_S_determine_best_abi<_Tp, _Np>());
4722using _AllNativeAbis = _AbiList<
4723#if _GLIBCXX_SIMD_HAVE_SVE
4726 simd_abi::_VecBltnBtmsk, simd_abi::_VecBuiltin, __scalar_abi_wrapper>;
4728using _NoSveAllNativeAbis = _AbiList<simd_abi::_VecBltnBtmsk, simd_abi::_VecBuiltin,
4729 __scalar_abi_wrapper>;
4732template <
typename _Tp,
typename _Abi>
4733 struct _SimdTraits<_Tp, _Abi,
void_t<typename _Abi::template _IsValid<_Tp>>>
4734 : _Abi::template __traits<_Tp> {};
4738template <
typename _Tp,
size_t _Np>
4739 struct __deduce_impl<
4740 _Tp, _Np,
enable_if_t<_AllNativeAbis::template _S_has_valid_abi<_Tp, _Np>>>
4741 {
using type = _AllNativeAbis::_FirstValidAbi<_Tp, _Np>; };
4743template <
typename _Tp,
size_t _Np>
4744 struct __no_sve_deduce_impl<
4745 _Tp, _Np,
enable_if_t<_NoSveAllNativeAbis::template _S_has_valid_abi<_Tp, _Np>>>
4746 {
using type = _NoSveAllNativeAbis::_FirstValidAbi<_Tp, _Np>; };
4749template <
typename _Tp,
size_t _Np,
typename =
void>
4750 struct __deduce_fixed_size_fallback {};
4752template <
typename _Tp,
size_t _Np>
4753 struct __deduce_fixed_size_fallback<_Tp, _Np,
4754 enable_if_t<simd_abi::fixed_size<_Np>::template _S_is_valid_v<_Tp>>>
4755 {
using type = simd_abi::fixed_size<_Np>; };
4757template <
typename _Tp,
size_t _Np,
typename>
4758 struct __deduce_impl :
public __deduce_fixed_size_fallback<_Tp, _Np> {};
4760template <
typename _Tp,
size_t _Np,
typename>
4761 struct __no_sve_deduce_impl
4762 :
public __deduce_fixed_size_fallback<_Tp, _Np>
4770template <
typename _Tp,
typename _Abi>
4771 class simd_mask :
public _SimdTraits<_Tp, _Abi>::_MaskBase
4774 using _Traits = _SimdTraits<_Tp, _Abi>;
4775 using _MemberType =
typename _Traits::_MaskMember;
4781 using _Ip = __int_for_sizeof_t<_Tp>;
4782 static constexpr _Ip* _S_type_tag =
nullptr;
4784 friend typename _Traits::_MaskBase;
4785 friend class simd<_Tp, _Abi>;
4786 friend typename _Traits::_SimdImpl;
4789 using _Impl =
typename _Traits::_MaskImpl;
4794 using value_type = bool;
4795 using reference = _SmartReference<_MemberType, _Impl, value_type>;
4796 using simd_type = simd<_Tp, _Abi>;
4797 using abi_type = _Abi;
4800 static constexpr size_t size()
4801 {
return __size_or_zero_v<_Tp, _Abi>; }
4805 simd_mask() =
default;
4806 simd_mask(
const simd_mask&) =
default;
4807 simd_mask(simd_mask&&) =
default;
4808 simd_mask& operator=(
const simd_mask&) =
default;
4809 simd_mask& operator=(simd_mask&&) =
default;
4813 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
explicit
4814 simd_mask(
typename _Traits::_MaskCastType __init)
4815 : _M_data{__init} {}
4824 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
static simd_mask
4825 __from_bitset(bitset<
size()> bs)
4826 {
return {__bitset_init, bs}; }
4828 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR bitset<
size()>
4830 {
return _Impl::_S_to_bits(_M_data)._M_to_bitset(); }
4834 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit _GLIBCXX_SIMD_CONSTEXPR
4835 simd_mask(value_type __x)
4836 : _M_data(_Impl::template _S_broadcast<_Ip>(__x)) {}
4840 #ifdef _GLIBCXX_SIMD_ENABLE_IMPLICIT_MASK_CAST
4842 template <
typename _Up,
typename _A2,
4843 typename = enable_if_t<simd_size_v<_Up, _A2> ==
size()>>
4844 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit(
sizeof(_MemberType)
4845 !=
sizeof(
typename _SimdTraits<_Up, _A2>::_MaskMember))
4846 simd_mask(
const simd_mask<_Up, _A2>& __x)
4847 : simd_mask(__proposed::static_simd_cast<simd_mask>(__x)) {}
4850 template <
typename _Up,
typename =
enable_if_t<conjunction<
4851 is_same<abi_type, simd_abi::fixed_size<
size()>>,
4852 is_same<_Up, _Up>>::value>>
4853 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
4854 simd_mask(
const simd_mask<_Up, simd_abi::fixed_size<
size()>>& __x)
4855 : _M_data(_Impl::_S_from_bitmask(__data(__x), _S_type_tag)) {}
4860 template <
typename _Flags>
4861 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
4862 simd_mask(
const value_type* __mem, _IsSimdFlagType<_Flags>)
4863 : _M_data(_Impl::template _S_load<_Ip>(_Flags::template _S_apply<simd_mask>(__mem))) {}
4865 template <
typename _Flags>
4866 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
4867 simd_mask(
const value_type* __mem, simd_mask __k, _IsSimdFlagType<_Flags>)
4870 _M_data = _Impl::_S_masked_load(_M_data, __k._M_data,
4871 _Flags::template _S_apply<simd_mask>(__mem));
4876 template <
typename _Flags>
4877 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
void
4878 copy_from(
const value_type* __mem, _IsSimdFlagType<_Flags>)
4879 { _M_data = _Impl::template _S_load<_Ip>(_Flags::template _S_apply<simd_mask>(__mem)); }
4883 template <
typename _Flags>
4884 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
void
4885 copy_to(value_type* __mem, _IsSimdFlagType<_Flags>)
const
4886 { _Impl::_S_store(_M_data, _Flags::template _S_apply<simd_mask>(__mem)); }
4890 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR reference
4891 operator[](
size_t __i)
4894 __invoke_ub(
"Subscript %d is out of range [0, %d]", __i,
size() - 1);
4895 return {_M_data, int(__i)};
4898 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR value_type
4899 operator[](
size_t __i)
const
4902 __invoke_ub(
"Subscript %d is out of range [0, %d]", __i,
size() - 1);
4903 if constexpr (__is_scalar_abi<_Abi>())
4906 return static_cast<bool>(_M_data[__i]);
4911 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd_mask
4913 {
return {__private_init, _Impl::_S_bit_not(_M_data)}; }
4917 #ifdef _GLIBCXX_SIMD_ENABLE_IMPLICIT_MASK_CAST
4919 template <
typename _Up,
typename _A2,
4920 typename = enable_if_t<is_convertible_v<simd_mask<_Up, _A2>, simd_mask>>>
4921 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4922 operator&&(
const simd_mask& __x,
const simd_mask<_Up, _A2>& __y)
4924 return {__private_init,
4925 _Impl::_S_logical_and(__x._M_data, simd_mask(__y)._M_data)};
4928 template <
typename _Up,
typename _A2,
4929 typename = enable_if_t<is_convertible_v<simd_mask<_Up, _A2>, simd_mask>>>
4930 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4931 operator||(
const simd_mask& __x,
const simd_mask<_Up, _A2>& __y)
4933 return {__private_init,
4934 _Impl::_S_logical_or(__x._M_data, simd_mask(__y)._M_data)};
4938 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4939 operator&&(
const simd_mask& __x,
const simd_mask& __y)
4940 {
return {__private_init, _Impl::_S_logical_and(__x._M_data, __y._M_data)}; }
4942 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4943 operator||(
const simd_mask& __x,
const simd_mask& __y)
4944 {
return {__private_init, _Impl::_S_logical_or(__x._M_data, __y._M_data)}; }
4946 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4947 operator&(
const simd_mask& __x,
const simd_mask& __y)
4948 {
return {__private_init, _Impl::_S_bit_and(__x._M_data, __y._M_data)}; }
4950 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4951 operator|(
const simd_mask& __x,
const simd_mask& __y)
4952 {
return {__private_init, _Impl::_S_bit_or(__x._M_data, __y._M_data)}; }
4954 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4955 operator^(
const simd_mask& __x,
const simd_mask& __y)
4956 {
return {__private_init, _Impl::_S_bit_xor(__x._M_data, __y._M_data)}; }
4958 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask&
4959 operator&=(simd_mask& __x,
const simd_mask& __y)
4961 __x._M_data = _Impl::_S_bit_and(__x._M_data, __y._M_data);
4965 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask&
4966 operator|=(simd_mask& __x,
const simd_mask& __y)
4968 __x._M_data = _Impl::_S_bit_or(__x._M_data, __y._M_data);
4972 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask&
4973 operator^=(simd_mask& __x,
const simd_mask& __y)
4975 __x._M_data = _Impl::_S_bit_xor(__x._M_data, __y._M_data);
4981 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4982 operator==(
const simd_mask& __x,
const simd_mask& __y)
4983 {
return !operator!=(__x, __y); }
4985 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
4986 operator!=(
const simd_mask& __x,
const simd_mask& __y)
4987 {
return {__private_init, _Impl::_S_bit_xor(__x._M_data, __y._M_data)}; }
4991 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
4992 simd_mask(_PrivateInit,
typename _Traits::_MaskMember __init)
4993 : _M_data(__init) {}
4997 template <typename _Fp, typename = decltype(bool(declval<_Fp>()(size_t())))>
4998 _GLIBCXX_SIMD_INTRINSIC
constexpr
4999 simd_mask(_PrivateInit, _Fp&& __gen)
5002 __execute_n_times<size()>([&](
auto __i)
constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
5003 _Impl::_S_set(_M_data, __i, __gen(__i));
5009 _GLIBCXX_SIMD_INTRINSIC
constexpr
5010 simd_mask(_BitsetInit, bitset<
size()> __init)
5011 : _M_data(_Impl::_S_from_bitmask(_SanitizedBitMask<
size()>(__init), _S_type_tag))
5022 template <
typename _Up,
typename _A2,
5023 typename = enable_if_t<simd_size_v<_Up, _A2> == simd_size_v<_Tp, _Abi>>>
5024 _GLIBCXX_SIMD_ALWAYS_INLINE
5025 operator simd_mask<_Up, _A2>() &&
5027 using namespace std::experimental::__proposed;
5028 return static_simd_cast<simd_mask<_Up, _A2>>(_M_data);
5031 const simd_mask<_Tp, _Abi>& _M_data;
5034 _GLIBCXX_SIMD_INTRINSIC _CvtProxy
5040 #ifdef __GXX_CONDITIONAL_IS_OVERLOADABLE__
5041 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
5042 operator?:(
const simd_mask& __k,
const simd_mask& __where_true,
5043 const simd_mask& __where_false)
5045 auto __ret = __where_false;
5046 _Impl::_S_masked_assign(__k._M_data, __ret._M_data, __where_true._M_data);
5050 template <
typename _U1,
typename _U2,
5051 typename _Rp = simd<common_type_t<_U1, _U2>, _Abi>,
5053 is_convertible<_U1, _Rp>, is_convertible<_U2, _Rp>,
5054 is_convertible<simd_mask, typename _Rp::mask_type>>>>
5055 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend _Rp
5056 operator?:(
const simd_mask& __k,
const _U1& __where_true,
5057 const _U2& __where_false)
5059 _Rp __ret = __where_false;
5060 _Rp::_Impl::_S_masked_assign(
5061 __data(
static_cast<typename _Rp::mask_type
>(__k)), __data(__ret),
5062 __data(
static_cast<_Rp
>(__where_true)));
5066 #ifdef _GLIBCXX_SIMD_ENABLE_IMPLICIT_MASK_CAST
5067 template <
typename _Kp,
typename _Ak,
typename _Up,
typename _Au,
5069 conjunction_v<is_convertible<simd_mask<_Kp, _Ak>, simd_mask>,
5070 is_convertible<simd_mask<_Up, _Au>, simd_mask>>>>
5071 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd_mask
5072 operator?:(
const simd_mask<_Kp, _Ak>& __k,
const simd_mask& __where_true,
5073 const simd_mask<_Up, _Au>& __where_false)
5075 simd_mask __ret = __where_false;
5076 _Impl::_S_masked_assign(simd_mask(__k)._M_data, __ret._M_data,
5077 __where_true._M_data);
5085 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
5086 _M_is_constprop()
const
5088 if constexpr (__is_scalar_abi<_Abi>())
5089 return __builtin_constant_p(_M_data);
5091 return _M_data._M_is_constprop();
5097 friend const auto& __data<_Tp, abi_type>(
const simd_mask&);
5098 friend auto& __data<_Tp, abi_type>(simd_mask&);
5099 alignas(_Traits::_S_mask_align) _MemberType _M_data;
5106template <
typename _Tp,
typename _Ap>
5107 _GLIBCXX_SIMD_INTRINSIC
constexpr const auto&
5108 __data(
const simd_mask<_Tp, _Ap>& __x)
5109 {
return __x._M_data; }
5111template <
typename _Tp,
typename _Ap>
5112 _GLIBCXX_SIMD_INTRINSIC
constexpr auto&
5113 __data(simd_mask<_Tp, _Ap>& __x)
5114 {
return __x._M_data; }
5120template <
typename _Tp,
typename _Abi>
5121 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5122 all_of(
const simd_mask<_Tp, _Abi>& __k)
noexcept
5124 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5126 for (
size_t __i = 0; __i < simd_size_v<_Tp, _Abi>; ++__i)
5132 return _Abi::_MaskImpl::_S_all_of(__k);
5135template <
typename _Tp,
typename _Abi>
5136 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5137 any_of(
const simd_mask<_Tp, _Abi>& __k)
noexcept
5139 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5141 for (
size_t __i = 0; __i < simd_size_v<_Tp, _Abi>; ++__i)
5147 return _Abi::_MaskImpl::_S_any_of(__k);
5150template <
typename _Tp,
typename _Abi>
5151 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5152 none_of(
const simd_mask<_Tp, _Abi>& __k)
noexcept
5154 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5156 for (
size_t __i = 0; __i < simd_size_v<_Tp, _Abi>; ++__i)
5162 return _Abi::_MaskImpl::_S_none_of(__k);
5165template <
typename _Tp,
typename _Abi>
5166 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5167 some_of(
const simd_mask<_Tp, _Abi>& __k)
noexcept
5169 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5171 for (
size_t __i = 1; __i < simd_size_v<_Tp, _Abi>; ++__i)
5172 if (__k[__i] != __k[__i - 1])
5177 return _Abi::_MaskImpl::_S_some_of(__k);
5180template <
typename _Tp,
typename _Abi>
5181 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
int
5182 popcount(
const simd_mask<_Tp, _Abi>& __k)
noexcept
5184 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5186 const int __r = __call_with_subscripts<simd_size_v<_Tp, _Abi>>(
5187 __k, [](
auto... __elements) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
5188 return ((__elements != 0) + ...);
5190 if (__builtin_is_constant_evaluated() || __builtin_constant_p(__r))
5193 return _Abi::_MaskImpl::_S_popcount(__k);
5196template <
typename _Tp,
typename _Abi>
5197 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
int
5198 find_first_set(
const simd_mask<_Tp, _Abi>& __k)
5200 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5202 constexpr size_t _Np = simd_size_v<_Tp, _Abi>;
5203 const size_t _Idx = __call_with_n_evaluations<_Np>(
5204 [](
auto... __indexes) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
5206 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
5207 return __k[__i] ? +__i : _Np;
5210 __invoke_ub(
"find_first_set(empty mask) is UB");
5211 if (__builtin_constant_p(_Idx))
5214 return _Abi::_MaskImpl::_S_find_first_set(__k);
5217template <
typename _Tp,
typename _Abi>
5218 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
int
5219 find_last_set(
const simd_mask<_Tp, _Abi>& __k)
5221 if (__builtin_is_constant_evaluated() || __k._M_is_constprop())
5223 constexpr size_t _Np = simd_size_v<_Tp, _Abi>;
5224 const int _Idx = __call_with_n_evaluations<_Np>(
5225 [](
auto... __indexes) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
5227 }, [&](
auto __i) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
5228 return __k[__i] ? int(__i) : -1;
5231 __invoke_ub(
"find_first_set(empty mask) is UB");
5232 if (__builtin_constant_p(_Idx))
5235 return _Abi::_MaskImpl::_S_find_last_set(__k);
5238_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5239all_of(_ExactBool __x)
noexcept
5242_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5243any_of(_ExactBool __x)
noexcept
5246_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5247none_of(_ExactBool __x)
noexcept
5250_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
bool
5251some_of(_ExactBool)
noexcept
5254_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
int
5255popcount(_ExactBool __x)
noexcept
5258_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
int
5259find_first_set(_ExactBool)
5262_GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
int
5263find_last_set(_ExactBool)
5270template <
typename _V,
typename _Tp,
typename _Abi,
bool>
5271 class _SimdIntOperators {};
5273template <
typename _V,
typename _Tp,
typename _Abi>
5274 class _SimdIntOperators<_V, _Tp, _Abi, true>
5276 using _Impl =
typename _SimdTraits<_Tp, _Abi>::_SimdImpl;
5278 _GLIBCXX_SIMD_INTRINSIC
constexpr const _V&
5280 {
return *
static_cast<const _V*
>(
this); }
5282 template <
typename _Up>
5283 _GLIBCXX_SIMD_INTRINSIC
static _GLIBCXX_SIMD_CONSTEXPR _V
5284 _S_make_derived(_Up&& __d)
5285 {
return {__private_init,
static_cast<_Up&&
>(__d)}; }
5288 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5290 operator%=(_V& __lhs,
const _V& __x)
5291 {
return __lhs = __lhs % __x; }
5293 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5295 operator&=(_V& __lhs,
const _V& __x)
5296 {
return __lhs = __lhs & __x; }
5298 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5300 operator|=(_V& __lhs,
const _V& __x)
5301 {
return __lhs = __lhs | __x; }
5303 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5305 operator^=(_V& __lhs,
const _V& __x)
5306 {
return __lhs = __lhs ^ __x; }
5308 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5310 operator<<=(_V& __lhs,
const _V& __x)
5311 {
return __lhs = __lhs << __x; }
5313 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5315 operator>>=(_V& __lhs,
const _V& __x)
5316 {
return __lhs = __lhs >> __x; }
5318 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5320 operator<<=(_V& __lhs,
int __x)
5321 {
return __lhs = __lhs << __x; }
5323 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5325 operator>>=(_V& __lhs,
int __x)
5326 {
return __lhs = __lhs >> __x; }
5328 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5332 return _SimdIntOperators::_S_make_derived(
5333 _Impl::_S_modulus(__data(__x), __data(__y)));
5336 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5340 return _SimdIntOperators::_S_make_derived(
5341 _Impl::_S_bit_and(__data(__x), __data(__y)));
5344 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5348 return _SimdIntOperators::_S_make_derived(
5349 _Impl::_S_bit_or(__data(__x), __data(__y)));
5352 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5356 return _SimdIntOperators::_S_make_derived(
5357 _Impl::_S_bit_xor(__data(__x), __data(__y)));
5360 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5364 return _SimdIntOperators::_S_make_derived(
5365 _Impl::_S_bit_shift_left(__data(__x), __data(__y)));
5368 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5372 return _SimdIntOperators::_S_make_derived(
5373 _Impl::_S_bit_shift_right(__data(__x), __data(__y)));
5376 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5381 __invoke_ub(
"The behavior is undefined if the right operand of a "
5382 "shift operation is negative. [expr.shift]\nA shift by "
5385 if (
size_t(__y) >=
sizeof(declval<_Tp>() << __y) * __CHAR_BIT__)
5387 "The behavior is undefined if the right operand of a "
5388 "shift operation is greater than or equal to the width of the "
5389 "promoted left operand. [expr.shift]\nA shift by %d was requested",
5391 return _SimdIntOperators::_S_make_derived(
5392 _Impl::_S_bit_shift_left(__data(__x), __y));
5395 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend
5401 "The behavior is undefined if the right operand of a shift "
5402 "operation is negative. [expr.shift]\nA shift by %d was requested",
5404 if (
size_t(__y) >=
sizeof(declval<_Tp>() << __y) * __CHAR_BIT__)
5406 "The behavior is undefined if the right operand of a shift "
5407 "operation is greater than or equal to the width of the promoted "
5408 "left operand. [expr.shift]\nA shift by %d was requested",
5410 return _SimdIntOperators::_S_make_derived(
5411 _Impl::_S_bit_shift_right(__data(__x), __y));
5415 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
5418 {
return {__private_init, _Impl::_S_complement(__derived()._M_data)}; }
5425template <
typename _Tp,
typename _Abi>
5426 class simd :
public _SimdIntOperators<
5427 simd<_Tp, _Abi>, _Tp, _Abi,
5428 conjunction<is_integral<_Tp>,
5429 typename _SimdTraits<_Tp, _Abi>::_IsValid>::value>,
5430 public _SimdTraits<_Tp, _Abi>::_SimdBase
5432 using _Traits = _SimdTraits<_Tp, _Abi>;
5433 using _MemberType =
typename _Traits::_SimdMember;
5434 using _CastType =
typename _Traits::_SimdCastType;
5435 static constexpr _Tp* _S_type_tag =
nullptr;
5436 friend typename _Traits::_SimdBase;
5439 using _Impl =
typename _Traits::_SimdImpl;
5441 friend _SimdIntOperators<simd, _Tp, _Abi, true>;
5443 using value_type = _Tp;
5444 using reference = _SmartReference<_MemberType, _Impl, value_type>;
5445 using mask_type = simd_mask<_Tp, _Abi>;
5446 using abi_type = _Abi;
5448 static constexpr size_t size()
5449 {
return __size_or_zero_v<_Tp, _Abi>; }
5451 _GLIBCXX_SIMD_CONSTEXPR simd() =
default;
5452 _GLIBCXX_SIMD_CONSTEXPR simd(
const simd&) =
default;
5453 _GLIBCXX_SIMD_CONSTEXPR simd(simd&&) noexcept = default;
5454 _GLIBCXX_SIMD_CONSTEXPR simd& operator=(const simd&) = default;
5455 _GLIBCXX_SIMD_CONSTEXPR simd& operator=(simd&&) noexcept = default;
5458 template <typename _Up,
5459 typename = enable_if_t<!is_same_v<__remove_cvref_t<_Up>,
bool>>>
5460 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
5461 simd(_ValuePreservingOrInt<_Up, value_type>&& __x)
5463 _Impl::_S_broadcast(static_cast<value_type>(static_cast<_Up&&>(__x))))
5468 template <
typename _Up>
5469 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
5470 simd(
const simd<_Up, simd_abi::fixed_size<
size()>>& __x,
5473 is_same<simd_abi::fixed_size<
size()>, abi_type>,
5474 negation<__is_narrowing_conversion<_Up, value_type>>,
5475 __converts_to_higher_integer_rank<_Up, value_type>>::value,
5477 : simd{static_cast<array<_Up,
size()>>(__x).
data(), vector_aligned} {}
5480#ifdef _GLIBCXX_SIMD_ENABLE_STATIC_CAST
5481 template <
typename _Up,
typename _A2,
5482 typename =
decltype(static_simd_cast<simd>(
5483 declval<
const simd<_Up, _A2>&>()))>
5484 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit _GLIBCXX_SIMD_CONSTEXPR
5485 simd(
const simd<_Up, _A2>& __x)
5486 : simd(static_simd_cast<simd>(__x)) {}
5490 template <
typename _Fp>
5491 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit _GLIBCXX_SIMD_CONSTEXPR
5492 simd(_Fp&& __gen, _ValuePreservingOrInt<
decltype(declval<_Fp>()(
5493 declval<_SizeConstant<0>&>())),
5494 value_type>* =
nullptr)
5495 : _M_data(_Impl::_S_generator(static_cast<_Fp&&>(__gen), _S_type_tag)) {}
5498 template <
typename _Up,
typename _Flags>
5499 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
5500 simd(
const _Up* __mem, _IsSimdFlagType<_Flags>)
5502 _Impl::_S_load(_Flags::template _S_apply<simd>(__mem), _S_type_tag))
5506 template <
typename _Up,
typename _Flags>
5507 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
void
5508 copy_from(
const _Vectorizable<_Up>* __mem, _IsSimdFlagType<_Flags>)
5510 _M_data =
static_cast<decltype(_M_data)
>(
5511 _Impl::_S_load(_Flags::template _S_apply<simd>(__mem), _S_type_tag));
5515 template <
typename _Up,
typename _Flags>
5516 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
void
5517 copy_to(_Vectorizable<_Up>* __mem, _IsSimdFlagType<_Flags>)
const
5519 _Impl::_S_store(_M_data, _Flags::template _S_apply<simd>(__mem),
5524 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR reference
5525 operator[](
size_t __i)
5526 {
return {_M_data, int(__i)}; }
5528 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR value_type
5529 operator[]([[maybe_unused]]
size_t __i)
const
5531 if constexpr (__is_scalar_abi<_Abi>())
5533 _GLIBCXX_DEBUG_ASSERT(__i == 0);
5537 return _M_data[__i];
5541 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd&
5544 _Impl::_S_increment(_M_data);
5548 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd
5552 _Impl::_S_increment(_M_data);
5556 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd&
5559 _Impl::_S_decrement(_M_data);
5563 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd
5567 _Impl::_S_decrement(_M_data);
5572 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR mask_type
5574 {
return {__private_init, _Impl::_S_negate(_M_data)}; }
5576 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd
5580 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR simd
5582 {
return {__private_init, _Impl::_S_unary_minus(_M_data)}; }
5585 _GLIBCXX_SIMD_ALWAYS_INLINE
explicit _GLIBCXX_SIMD_CONSTEXPR
5586 simd(_CastType __init) : _M_data(__init) {}
5589 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd&
5590 operator+=(simd& __lhs,
const simd& __x)
5591 {
return __lhs = __lhs + __x; }
5593 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd&
5594 operator-=(simd& __lhs,
const simd& __x)
5595 {
return __lhs = __lhs - __x; }
5597 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd&
5598 operator*=(simd& __lhs,
const simd& __x)
5599 {
return __lhs = __lhs * __x; }
5601 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd&
5602 operator/=(simd& __lhs,
const simd& __x)
5603 {
return __lhs = __lhs / __x; }
5606 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd
5607 operator+(
const simd& __x,
const simd& __y)
5608 {
return {__private_init, _Impl::_S_plus(__x._M_data, __y._M_data)}; }
5610 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd
5611 operator-(
const simd& __x,
const simd& __y)
5612 {
return {__private_init, _Impl::_S_minus(__x._M_data, __y._M_data)}; }
5614 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd
5615 operator*(
const simd& __x,
const simd& __y)
5616 {
return {__private_init, _Impl::_S_multiplies(__x._M_data, __y._M_data)}; }
5618 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd
5619 operator/(
const simd& __x,
const simd& __y)
5620 {
return {__private_init, _Impl::_S_divides(__x._M_data, __y._M_data)}; }
5623 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend mask_type
5624 operator==(
const simd& __x,
const simd& __y)
5625 {
return simd::_S_make_mask(_Impl::_S_equal_to(__x._M_data, __y._M_data)); }
5627 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend mask_type
5628 operator!=(
const simd& __x,
const simd& __y)
5630 return simd::_S_make_mask(
5631 _Impl::_S_not_equal_to(__x._M_data, __y._M_data));
5634 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend mask_type
5635 operator<(
const simd& __x,
const simd& __y)
5636 {
return simd::_S_make_mask(_Impl::_S_less(__x._M_data, __y._M_data)); }
5638 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend mask_type
5641 return simd::_S_make_mask(_Impl::_S_less_equal(__x._M_data, __y._M_data));
5644 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend mask_type
5645 operator>(
const simd& __x,
const simd& __y)
5646 {
return simd::_S_make_mask(_Impl::_S_less(__y._M_data, __x._M_data)); }
5648 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend mask_type
5651 return simd::_S_make_mask(_Impl::_S_less_equal(__y._M_data, __x._M_data));
5655#ifdef __GXX_CONDITIONAL_IS_OVERLOADABLE__
5656 _GLIBCXX_SIMD_ALWAYS_INLINE _GLIBCXX_SIMD_CONSTEXPR
friend simd
5657 operator?:(
const mask_type& __k,
const simd& __where_true,
5658 const simd& __where_false)
5660 auto __ret = __where_false;
5661 _Impl::_S_masked_assign(__data(__k), __data(__ret), __data(__where_true));
5669 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
5670 simd(_PrivateInit,
const _MemberType& __init)
5671 : _M_data(__init) {}
5674 _GLIBCXX_SIMD_INTRINSIC
5675 simd(_BitsetInit, bitset<
size()> __init) : _M_data()
5676 { where(mask_type(__bitset_init, __init), *
this) = ~*
this; }
5678 _GLIBCXX_SIMD_INTRINSIC
constexpr bool
5679 _M_is_constprop()
const
5681 if constexpr (__is_scalar_abi<_Abi>())
5682 return __builtin_constant_p(_M_data);
5684 return _M_data._M_is_constprop();
5688 _GLIBCXX_SIMD_INTRINSIC
static constexpr mask_type
5689 _S_make_mask(
typename mask_type::_MemberType __k)
5690 {
return {__private_init, __k}; }
5692 friend const auto& __data<value_type, abi_type>(
const simd&);
5693 friend auto& __data<value_type, abi_type>(simd&);
5694 alignas(_Traits::_S_simd_align) _MemberType _M_data;
5700template <
typename _Tp,
typename _Ap>
5701 _GLIBCXX_SIMD_INTRINSIC
constexpr const auto&
5702 __data(
const simd<_Tp, _Ap>& __x)
5703 {
return __x._M_data; }
5705template <
typename _Tp,
typename _Ap>
5706 _GLIBCXX_SIMD_INTRINSIC
constexpr auto&
5707 __data(simd<_Tp, _Ap>& __x)
5708 {
return __x._M_data; }
5711namespace __float_bitwise_operators {
5712template <
typename _Tp,
typename _Ap>
5713 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR simd<_Tp, _Ap>
5714 operator^(
const simd<_Tp, _Ap>& __a,
const simd<_Tp, _Ap>& __b)
5715 {
return {__private_init, _Ap::_SimdImpl::_S_bit_xor(__data(__a), __data(__b))}; }
5717template <
typename _Tp,
typename _Ap>
5718 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR simd<_Tp, _Ap>
5719 operator|(
const simd<_Tp, _Ap>& __a,
const simd<_Tp, _Ap>& __b)
5720 {
return {__private_init, _Ap::_SimdImpl::_S_bit_or(__data(__a), __data(__b))}; }
5722template <
typename _Tp,
typename _Ap>
5723 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR simd<_Tp, _Ap>
5724 operator&(
const simd<_Tp, _Ap>& __a,
const simd<_Tp, _Ap>& __b)
5725 {
return {__private_init, _Ap::_SimdImpl::_S_bit_and(__data(__a), __data(__b))}; }
5727template <
typename _Tp,
typename _Ap>
5728 _GLIBCXX_SIMD_INTRINSIC _GLIBCXX_SIMD_CONSTEXPR
5729 enable_if_t<is_floating_point_v<_Tp>, simd<_Tp, _Ap>>
5730 operator~(
const simd<_Tp, _Ap>& __a)
5731 {
return {__private_init, _Ap::_SimdImpl::_S_complement(__data(__a))}; }
5736_GLIBCXX_SIMD_END_NAMESPACE
constexpr bool operator<=(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
constexpr bool operator>=(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
constexpr duration< __common_rep_t< _Rep1, __disable_if_is_duration< _Rep2 > >, _Period > operator%(const duration< _Rep1, _Period > &__d, const _Rep2 &__s)
constexpr bool operator<(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
constexpr bool operator>(const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
constexpr complex< _Tp > operator*(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x times y.
constexpr complex< _Tp > operator-(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x minus y.
constexpr complex< _Tp > operator+(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x plus y.
constexpr complex< _Tp > operator/(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x divided by y.
typename remove_reference< _Tp >::type remove_reference_t
Alias template for remove_reference.
typename make_unsigned< _Tp >::type make_unsigned_t
Alias template for make_unsigned.
__bool_constant< 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.
__bool_constant< false > false_type
The type used as a compile-time boolean with false value.
typename enable_if< _Cond, _Tp >::type enable_if_t
Alias template for enable_if.
constexpr auto tuple_cat(_Tpls &&... __tpls) -> typename __tuple_cat_result< _Tpls... >::__type
Create a tuple containing all elements from multiple tuple-like objects.
auto declval() noexcept -> decltype(__declval< _Tp >(0))
constexpr tuple< typename __decay_and_strip< _Elements >::__type... > make_tuple(_Elements &&... __args)
Create a tuple containing copies of the arguments.
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
_Tp * end(valarray< _Tp > &__va) noexcept
Return an iterator pointing to one past the last element of the valarray.
_Tp * begin(valarray< _Tp > &__va) noexcept
Return an iterator pointing to the first element of the valarray.
constexpr const _Tp & max(const _Tp &, const _Tp &)
This does what you think it does.
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.
void void_t
A metafunction that always yields void, used for detecting valid types.
ISO C++ entities toplevel namespace is std.
constexpr auto size(const _Container &__cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size())
Return the size of a container.
constexpr bitset< _Nb > operator^(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.
std::basic_istream< _CharT, _Traits > & operator>>(std::basic_istream< _CharT, _Traits > &__is, bitset< _Nb > &__x)
Global I/O operators for bitsets.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
constexpr auto data(_Container &__cont) noexcept(noexcept(__cont.data())) -> decltype(__cont.data())
Return the data pointer of a container.
constexpr bitset< _Nb > operator|(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.
constexpr bitset< _Nb > operator&(const bitset< _Nb > &__x, const bitset< _Nb > &__y) noexcept
Global bitwise operations on bitsets.