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Diffstat (limited to 'third_party/xsimd/include/xsimd/arch/xsimd_neon64.hpp')
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1 files changed, 1424 insertions, 0 deletions
diff --git a/third_party/xsimd/include/xsimd/arch/xsimd_neon64.hpp b/third_party/xsimd/include/xsimd/arch/xsimd_neon64.hpp new file mode 100644 index 0000000000..bc982c7ce6 --- /dev/null +++ b/third_party/xsimd/include/xsimd/arch/xsimd_neon64.hpp @@ -0,0 +1,1424 @@ +/*************************************************************************** + * Copyright (c) Johan Mabille, Sylvain Corlay, Wolf Vollprecht and * + * Martin Renou * + * Copyright (c) QuantStack * + * Copyright (c) Serge Guelton * + * * + * Distributed under the terms of the BSD 3-Clause License. * + * * + * The full license is in the file LICENSE, distributed with this software. * + ****************************************************************************/ + +#ifndef XSIMD_NEON64_HPP +#define XSIMD_NEON64_HPP + +#include <complex> +#include <cstddef> +#include <tuple> + +#include "../types/xsimd_neon64_register.hpp" +#include "../types/xsimd_utils.hpp" + +namespace xsimd +{ + template <class batch_type, bool... Values> + struct batch_bool_constant; + + namespace kernel + { + using namespace types; + + /******* + * all * + *******/ + + template <class A, class T, detail::enable_sized_t<T, 4> = 0> + inline bool all(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return vminvq_u32(arg) == ~0U; + } + + template <class A, class T, detail::enable_sized_t<T, 1> = 0> + inline bool all(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return all(batch_bool<uint32_t, A>(vreinterpretq_u32_u8(arg)), neon64 {}); + } + + template <class A, class T, detail::enable_sized_t<T, 2> = 0> + inline bool all(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return all(batch_bool<uint32_t, A>(vreinterpretq_u32_u16(arg)), neon64 {}); + } + + template <class A, class T, detail::enable_sized_t<T, 8> = 0> + inline bool all(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return all(batch_bool<uint32_t, A>(vreinterpretq_u32_u64(arg)), neon64 {}); + } + + /******* + * any * + *******/ + + template <class A, class T, detail::enable_sized_t<T, 4> = 0> + inline bool any(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return vmaxvq_u32(arg) != 0; + } + + template <class A, class T, detail::enable_sized_t<T, 1> = 0> + inline bool any(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return any(batch_bool<uint32_t, A>(vreinterpretq_u32_u8(arg)), neon64 {}); + } + + template <class A, class T, detail::enable_sized_t<T, 2> = 0> + inline bool any(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return any(batch_bool<uint32_t, A>(vreinterpretq_u32_u16(arg)), neon64 {}); + } + + template <class A, class T, detail::enable_sized_t<T, 8> = 0> + inline bool any(batch_bool<T, A> const& arg, requires_arch<neon64>) noexcept + { + return any(batch_bool<uint32_t, A>(vreinterpretq_u32_u64(arg)), neon64 {}); + } + + /************* + * broadcast * + *************/ + + // Required to avoid ambiguous call + template <class A, class T> + inline batch<T, A> broadcast(T val, requires_arch<neon64>) noexcept + { + return broadcast<neon64>(val, neon {}); + } + + template <class A> + inline batch<double, A> broadcast(double val, requires_arch<neon64>) noexcept + { + return vdupq_n_f64(val); + } + + /******* + * set * + *******/ + + template <class A> + inline batch<double, A> set(batch<double, A> const&, requires_arch<neon64>, double d0, double d1) noexcept + { + return float64x2_t { d0, d1 }; + } + + template <class A> + inline batch_bool<double, A> set(batch_bool<double, A> const&, requires_arch<neon64>, bool b0, bool b1) noexcept + { + using register_type = typename batch_bool<double, A>::register_type; + using unsigned_type = as_unsigned_integer_t<double>; + return register_type { static_cast<unsigned_type>(b0 ? -1LL : 0LL), + static_cast<unsigned_type>(b1 ? -1LL : 0LL) }; + } + + /************* + * from_bool * + *************/ + + template <class A> + inline batch<double, A> from_bool(batch_bool<double, A> const& arg, requires_arch<neon64>) noexcept + { + return vreinterpretq_f64_u64(vandq_u64(arg, vreinterpretq_u64_f64(vdupq_n_f64(1.)))); + } + + /******** + * load * + ********/ +#if defined(__clang__) || defined(__GNUC__) +#define xsimd_aligned_load(inst, type, expr) inst((type)__builtin_assume_aligned(expr, 16)) +#elif defined(_MSC_VER) +#define xsimd_aligned_load(inst, type, expr) inst##_ex((type)expr, 128) +#else +#define xsimd_aligned_load(inst, type, expr) inst((type)expr) +#endif + + template <class A> + inline batch<double, A> load_aligned(double const* src, convert<double>, requires_arch<neon64>) noexcept + { + return xsimd_aligned_load(vld1q_f64, double*, src); + } + + template <class A> + inline batch<double, A> load_unaligned(double const* src, convert<double>, requires_arch<neon64>) noexcept + { + return vld1q_f64(src); + } +#undef xsimd_aligned_load + + /********* + * store * + *********/ + + template <class A> + inline void store_aligned(double* dst, batch<double, A> const& src, requires_arch<neon64>) noexcept + { + vst1q_f64(dst, src); + } + + template <class A> + inline void store_unaligned(double* dst, batch<double, A> const& src, requires_arch<neon64>) noexcept + { + return store_aligned<A>(dst, src, A {}); + } + + /**************** + * load_complex * + ****************/ + + template <class A> + inline batch<std::complex<double>, A> load_complex_aligned(std::complex<double> const* mem, convert<std::complex<double>>, requires_arch<neon64>) noexcept + { + using real_batch = batch<double, A>; + const double* buf = reinterpret_cast<const double*>(mem); + float64x2x2_t tmp = vld2q_f64(buf); + real_batch real = tmp.val[0], + imag = tmp.val[1]; + return batch<std::complex<double>, A> { real, imag }; + } + + template <class A> + inline batch<std::complex<double>, A> load_complex_unaligned(std::complex<double> const* mem, convert<std::complex<double>> cvt, requires_arch<neon64>) noexcept + { + return load_complex_aligned<A>(mem, cvt, A {}); + } + + /***************** + * store_complex * + *****************/ + + template <class A> + inline void store_complex_aligned(std::complex<double>* dst, batch<std::complex<double>, A> const& src, requires_arch<neon64>) noexcept + { + float64x2x2_t tmp; + tmp.val[0] = src.real(); + tmp.val[1] = src.imag(); + double* buf = reinterpret_cast<double*>(dst); + vst2q_f64(buf, tmp); + } + + template <class A> + inline void store_complex_unaligned(std::complex<double>* dst, batch<std::complex<double>, A> const& src, requires_arch<neon64>) noexcept + { + store_complex_aligned(dst, src, A {}); + } + + /******* + * neg * + *******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> neg(batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vreinterpretq_u64_s64(vnegq_s64(vreinterpretq_s64_u64(rhs))); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> neg(batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vnegq_s64(rhs); + } + + template <class A> + inline batch<double, A> neg(batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vnegq_f64(rhs); + } + + /******* + * add * + *******/ + + template <class A> + inline batch<double, A> add(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vaddq_f64(lhs, rhs); + } + + /******** + * sadd * + ********/ + + template <class A> + inline batch<double, A> sadd(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return add(lhs, rhs, neon64 {}); + } + + /******* + * sub * + *******/ + + template <class A> + inline batch<double, A> sub(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vsubq_f64(lhs, rhs); + } + + /******** + * ssub * + ********/ + + template <class A> + inline batch<double, A> ssub(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return sub(lhs, rhs, neon64 {}); + } + + /******* + * mul * + *******/ + + template <class A> + inline batch<double, A> mul(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vmulq_f64(lhs, rhs); + } + + /******* + * div * + *******/ + +#if defined(XSIMD_FAST_INTEGER_DIVISION) + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> div(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcvtq_u64_f64(vcvtq_f64_u64(lhs) / vcvtq_f64_u64(rhs)); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> div(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcvtq_s64_f64(vcvtq_f64_s64(lhs) / vcvtq_f64_s64(rhs)); + } +#endif + template <class A> + inline batch<double, A> div(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vdivq_f64(lhs, rhs); + } + + /****** + * eq * + ******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch_bool<T, A> eq(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vceqq_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch_bool<T, A> eq(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vceqq_s64(lhs, rhs); + } + + template <class A> + inline batch_bool<double, A> eq(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vceqq_f64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch_bool<T, A> eq(batch_bool<T, A> const& lhs, batch_bool<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vceqq_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch_bool<T, A> eq(batch_bool<T, A> const& lhs, batch_bool<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vceqq_u64(lhs, rhs); + } + + template <class A> + inline batch_bool<double, A> eq(batch_bool<double, A> const& lhs, batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vceqq_u64(lhs, rhs); + } + + /************* + * fast_cast * + *************/ + namespace detail + { + template <class A> + inline batch<double, A> fast_cast(batch<int64_t, A> const& x, batch<double, A> const&, requires_arch<neon64>) noexcept + { + return vcvtq_f64_s64(x); + } + + template <class A> + inline batch<double, A> fast_cast(batch<uint64_t, A> const& x, batch<double, A> const&, requires_arch<neon64>) noexcept + { + return vcvtq_f64_u64(x); + } + + template <class A> + inline batch<int64_t, A> fast_cast(batch<double, A> const& x, batch<int64_t, A> const&, requires_arch<neon64>) noexcept + { + return vcvtq_s64_f64(x); + } + + template <class A> + inline batch<uint64_t, A> fast_cast(batch<double, A> const& x, batch<uint64_t, A> const&, requires_arch<neon64>) noexcept + { + return vcvtq_u64_f64(x); + } + + } + + /****** + * lt * + ******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch_bool<T, A> lt(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcltq_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch_bool<T, A> lt(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcltq_s64(lhs, rhs); + } + + template <class A> + inline batch_bool<double, A> lt(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcltq_f64(lhs, rhs); + } + + /****** + * le * + ******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch_bool<T, A> le(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcleq_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch_bool<T, A> le(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcleq_s64(lhs, rhs); + } + + template <class A> + inline batch_bool<double, A> le(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcleq_f64(lhs, rhs); + } + + /****** + * gt * + ******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch_bool<T, A> gt(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcgtq_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch_bool<T, A> gt(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcgtq_s64(lhs, rhs); + } + + template <class A> + inline batch_bool<double, A> gt(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcgtq_f64(lhs, rhs); + } + + /****** + * ge * + ******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch_bool<T, A> ge(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcgeq_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch_bool<T, A> ge(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcgeq_s64(lhs, rhs); + } + + template <class A> + inline batch_bool<double, A> ge(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vcgeq_f64(lhs, rhs); + } + + /******************* + * batch_bool_cast * + *******************/ + + template <class A, class T_out, class T_in> + inline batch_bool<T_out, A> batch_bool_cast(batch_bool<T_in, A> const& self, batch_bool<T_out, A> const&, requires_arch<neon64>) noexcept + { + using register_type = typename batch_bool<T_out, A>::register_type; + return register_type(self); + } + + /*************** + * bitwise_and * + ***************/ + + template <class A> + inline batch<double, A> bitwise_and(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vreinterpretq_f64_u64(vandq_u64(vreinterpretq_u64_f64(lhs), + vreinterpretq_u64_f64(rhs))); + } + + template <class A> + inline batch_bool<double, A> bitwise_and(batch_bool<double, A> const& lhs, batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vandq_u64(lhs, rhs); + } + + /************** + * bitwise_or * + **************/ + + template <class A> + inline batch<double, A> bitwise_or(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vreinterpretq_f64_u64(vorrq_u64(vreinterpretq_u64_f64(lhs), + vreinterpretq_u64_f64(rhs))); + } + + template <class A> + inline batch_bool<double, A> bitwise_or(batch_bool<double, A> const& lhs, batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vorrq_u64(lhs, rhs); + } + + /*************** + * bitwise_xor * + ***************/ + + template <class A> + inline batch<double, A> bitwise_xor(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vreinterpretq_f64_u64(veorq_u64(vreinterpretq_u64_f64(lhs), + vreinterpretq_u64_f64(rhs))); + } + + template <class A> + inline batch_bool<double, A> bitwise_xor(batch_bool<double, A> const& lhs, batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return veorq_u64(lhs, rhs); + } + + /******* + * neq * + *******/ + + template <class A> + inline batch_bool<double, A> neq(batch_bool<double, A> const& lhs, batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return bitwise_xor(lhs, rhs, A {}); + } + + /*************** + * bitwise_not * + ***************/ + + template <class A> + inline batch<double, A> bitwise_not(batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vreinterpretq_f64_u32(vmvnq_u32(vreinterpretq_u32_f64(rhs))); + } + + template <class A> + inline batch_bool<double, A> bitwise_not(batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return detail::bitwise_not_u64(rhs); + } + + /****************** + * bitwise_andnot * + ******************/ + + template <class A> + inline batch<double, A> bitwise_andnot(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vreinterpretq_f64_u64(vbicq_u64(vreinterpretq_u64_f64(lhs), + vreinterpretq_u64_f64(rhs))); + } + + template <class A> + inline batch_bool<double, A> bitwise_andnot(batch_bool<double, A> const& lhs, batch_bool<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vbicq_u64(lhs, rhs); + } + + /******* + * min * + *******/ + + template <class A> + inline batch<double, A> min(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vminq_f64(lhs, rhs); + } + + /******* + * max * + *******/ + + template <class A> + inline batch<double, A> max(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vmaxq_f64(lhs, rhs); + } + + /******* + * abs * + *******/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> abs(batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return rhs; + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> abs(batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vabsq_s64(rhs); + } + + template <class A> + inline batch<double, A> abs(batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vabsq_f64(rhs); + } + + template <class A> + inline batch<int32_t, A> nearbyint_as_int(batch<float, A> const& self, + requires_arch<neon64>) noexcept + { + return vcvtnq_s32_f32(self); + } + +#if !defined(__GNUC__) + template <class A> + inline batch<int64_t, A> nearbyint_as_int(batch<double, A> const& self, + requires_arch<neon64>) noexcept + { + return vcvtnq_s64_f64(self); + } +#endif + + /************** + * reciprocal * + **************/ + + template <class A> + inline batch<double, A> + reciprocal(const batch<double, A>& x, + kernel::requires_arch<neon64>) noexcept + { + return vrecpeq_f64(x); + } + + /******** + * rsqrt * + ********/ + + template <class A> + inline batch<double, A> rsqrt(batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vrsqrteq_f64(rhs); + } + + /******** + * sqrt * + ********/ + + template <class A> + inline batch<double, A> sqrt(batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vsqrtq_f64(rhs); + } + + /******************** + * Fused operations * + ********************/ + +#ifdef __ARM_FEATURE_FMA + template <class A> + inline batch<double, A> fma(batch<double, A> const& x, batch<double, A> const& y, batch<double, A> const& z, requires_arch<neon64>) noexcept + { + return vfmaq_f64(z, x, y); + } + + template <class A> + inline batch<double, A> fms(batch<double, A> const& x, batch<double, A> const& y, batch<double, A> const& z, requires_arch<neon64>) noexcept + { + return vfmaq_f64(-z, x, y); + } +#endif + + /********* + * haddp * + *********/ + + template <class A> + inline batch<double, A> haddp(const batch<double, A>* row, requires_arch<neon64>) noexcept + { + return vpaddq_f64(row[0], row[1]); + } + + /********** + * insert * + **********/ + + template <class A, size_t I> + inline batch<double, A> insert(batch<double, A> const& self, double val, index<I>, requires_arch<neon64>) noexcept + { + return vsetq_lane_f64(val, self, I); + } + + /****************** + * reducer macros * + ******************/ + + // Wrap reducer intrinsics so we can pass them as function pointers + // - OP: intrinsics name prefix, e.g., vorrq + +#define WRAP_REDUCER_INT_EXCLUDING_64(OP) \ + namespace wrap \ + { \ + inline uint8_t OP##_u8(uint8x16_t a) noexcept \ + { \ + return ::OP##_u8(a); \ + } \ + inline int8_t OP##_s8(int8x16_t a) noexcept \ + { \ + return ::OP##_s8(a); \ + } \ + inline uint16_t OP##_u16(uint16x8_t a) noexcept \ + { \ + return ::OP##_u16(a); \ + } \ + inline int16_t OP##_s16(int16x8_t a) noexcept \ + { \ + return ::OP##_s16(a); \ + } \ + inline uint32_t OP##_u32(uint32x4_t a) noexcept \ + { \ + return ::OP##_u32(a); \ + } \ + inline int32_t OP##_s32(int32x4_t a) noexcept \ + { \ + return ::OP##_s32(a); \ + } \ + } + +#define WRAP_REDUCER_INT(OP) \ + WRAP_REDUCER_INT_EXCLUDING_64(OP) \ + namespace wrap \ + { \ + inline uint64_t OP##_u64(uint64x2_t a) noexcept \ + { \ + return ::OP##_u64(a); \ + } \ + inline int64_t OP##_s64(int64x2_t a) noexcept \ + { \ + return ::OP##_s64(a); \ + } \ + } + +#define WRAP_REDUCER_FLOAT(OP) \ + namespace wrap \ + { \ + inline float OP##_f32(float32x4_t a) noexcept \ + { \ + return ::OP##_f32(a); \ + } \ + inline double OP##_f64(float64x2_t a) noexcept \ + { \ + return ::OP##_f64(a); \ + } \ + } + + namespace detail + { + template <class R> + struct reducer_return_type_impl; + + template <> + struct reducer_return_type_impl<uint8x16_t> + { + using type = uint8_t; + }; + + template <> + struct reducer_return_type_impl<int8x16_t> + { + using type = int8_t; + }; + + template <> + struct reducer_return_type_impl<uint16x8_t> + { + using type = uint16_t; + }; + + template <> + struct reducer_return_type_impl<int16x8_t> + { + using type = int16_t; + }; + + template <> + struct reducer_return_type_impl<uint32x4_t> + { + using type = uint32_t; + }; + + template <> + struct reducer_return_type_impl<int32x4_t> + { + using type = int32_t; + }; + + template <> + struct reducer_return_type_impl<uint64x2_t> + { + using type = uint64_t; + }; + + template <> + struct reducer_return_type_impl<int64x2_t> + { + using type = int64_t; + }; + + template <> + struct reducer_return_type_impl<float32x4_t> + { + using type = float; + }; + + template <> + struct reducer_return_type_impl<float64x2_t> + { + using type = double; + }; + + template <class R> + using reducer_return_type = typename reducer_return_type_impl<R>::type; + + template <class... T> + struct neon_reducer_dispatcher_impl : neon_dispatcher_base<reducer_return_type, T...> + { + }; + + using neon_reducer_dispatcher = neon_reducer_dispatcher_impl<uint8x16_t, int8x16_t, + uint16x8_t, int16x8_t, + uint32x4_t, int32x4_t, + uint64x2_t, int64x2_t, + float32x4_t, float64x2_t>; + template <class T> + using enable_neon64_type_t = typename std::enable_if<std::is_integral<T>::value || std::is_same<T, float>::value || std::is_same<T, double>::value, + int>::type; + } + + /************** + * reduce_add * + **************/ + + WRAP_REDUCER_INT(vaddvq) + WRAP_REDUCER_FLOAT(vaddvq) + + template <class A, class T, detail::enable_neon64_type_t<T> = 0> + inline typename batch<T, A>::value_type reduce_add(batch<T, A> const& arg, requires_arch<neon64>) noexcept + { + using register_type = typename batch<T, A>::register_type; + const detail::neon_reducer_dispatcher::unary dispatcher = { + std::make_tuple(wrap::vaddvq_u8, wrap::vaddvq_s8, wrap::vaddvq_u16, wrap::vaddvq_s16, + wrap::vaddvq_u32, wrap::vaddvq_s32, wrap::vaddvq_u64, wrap::vaddvq_s64, + wrap::vaddvq_f32, wrap::vaddvq_f64) + }; + return dispatcher.apply(register_type(arg)); + } + + /************** + * reduce_max * + **************/ + + WRAP_REDUCER_INT_EXCLUDING_64(vmaxvq) + WRAP_REDUCER_FLOAT(vmaxvq) + + namespace wrap + { + inline uint64_t vmaxvq_u64(uint64x2_t a) noexcept + { + return std::max(vdupd_laneq_u64(a, 0), vdupd_laneq_u64(a, 1)); + } + + inline int64_t vmaxvq_s64(int64x2_t a) noexcept + { + return std::max(vdupd_laneq_s64(a, 0), vdupd_laneq_s64(a, 1)); + } + } + + template <class A, class T, detail::enable_neon64_type_t<T> = 0> + inline typename batch<T, A>::value_type reduce_max(batch<T, A> const& arg, requires_arch<neon64>) noexcept + { + using register_type = typename batch<T, A>::register_type; + const detail::neon_reducer_dispatcher::unary dispatcher = { + std::make_tuple(wrap::vmaxvq_u8, wrap::vmaxvq_s8, wrap::vmaxvq_u16, wrap::vmaxvq_s16, + wrap::vmaxvq_u32, wrap::vmaxvq_s32, wrap::vmaxvq_u64, wrap::vmaxvq_s64, + wrap::vmaxvq_f32, wrap::vmaxvq_f64) + }; + return dispatcher.apply(register_type(arg)); + } + + /************** + * reduce_min * + **************/ + + WRAP_REDUCER_INT_EXCLUDING_64(vminvq) + WRAP_REDUCER_FLOAT(vminvq) + + namespace wrap + { + inline uint64_t vminvq_u64(uint64x2_t a) noexcept + { + return std::min(vdupd_laneq_u64(a, 0), vdupd_laneq_u64(a, 1)); + } + + inline int64_t vminvq_s64(int64x2_t a) noexcept + { + return std::min(vdupd_laneq_s64(a, 0), vdupd_laneq_s64(a, 1)); + } + } + + template <class A, class T, detail::enable_neon64_type_t<T> = 0> + inline typename batch<T, A>::value_type reduce_min(batch<T, A> const& arg, requires_arch<neon64>) noexcept + { + using register_type = typename batch<T, A>::register_type; + const detail::neon_reducer_dispatcher::unary dispatcher = { + std::make_tuple(wrap::vminvq_u8, wrap::vminvq_s8, wrap::vminvq_u16, wrap::vminvq_s16, + wrap::vminvq_u32, wrap::vminvq_s32, wrap::vminvq_u64, wrap::vminvq_s64, + wrap::vminvq_f32, wrap::vminvq_f64) + }; + return dispatcher.apply(register_type(arg)); + } + +#undef WRAP_REDUCER_INT_EXCLUDING_64 +#undef WRAP_REDUCER_INT +#undef WRAP_REDUCER_FLOAT + + /********** + * select * + **********/ + + template <class A> + inline batch<double, A> select(batch_bool<double, A> const& cond, batch<double, A> const& a, batch<double, A> const& b, requires_arch<neon64>) noexcept + { + return vbslq_f64(cond, a, b); + } + + template <class A, bool... b> + inline batch<double, A> select(batch_bool_constant<batch<double, A>, b...> const&, + batch<double, A> const& true_br, + batch<double, A> const& false_br, + requires_arch<neon64>) noexcept + { + return select(batch_bool<double, A> { b... }, true_br, false_br, neon64 {}); + } + /********** + * zip_lo * + **********/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> zip_lo(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vzip1q_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> zip_lo(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vzip1q_s64(lhs, rhs); + } + + template <class A> + inline batch<double, A> zip_lo(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vzip1q_f64(lhs, rhs); + } + + /********** + * zip_hi * + **********/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> zip_hi(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vzip2q_u64(lhs, rhs); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> zip_hi(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vzip2q_s64(lhs, rhs); + } + + template <class A> + inline batch<double, A> zip_hi(batch<double, A> const& lhs, batch<double, A> const& rhs, requires_arch<neon64>) noexcept + { + return vzip2q_f64(lhs, rhs); + } + + /**************** + * extract_pair * + ****************/ + + namespace detail + { + template <class A, size_t I, size_t... Is> + inline batch<double, A> extract_pair(batch<double, A> const& lhs, batch<double, A> const& rhs, std::size_t n, + ::xsimd::detail::index_sequence<I, Is...>) noexcept + { + if (n == I) + { + return vextq_f64(rhs, lhs, I); + } + else + { + return extract_pair(lhs, rhs, n, ::xsimd::detail::index_sequence<Is...>()); + } + } + } + + template <class A> + inline batch<double, A> extract_pair(batch<double, A> const& lhs, batch<double, A> const& rhs, std::size_t n, requires_arch<neon64>) noexcept + { + constexpr std::size_t size = batch<double, A>::size; + assert(n < size && "index in bounds"); + return detail::extract_pair(lhs, rhs, n, ::xsimd::detail::make_index_sequence<size>()); + } + + /****************** + * bitwise_rshift * + ******************/ + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> bitwise_rshift(batch<T, A> const& lhs, int n, requires_arch<neon64>) noexcept + { + return bitwise_rshift<A>(lhs, n, neon {}); + } + + template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0> + inline batch<T, A> bitwise_rshift(batch<T, A> const& lhs, batch<as_signed_integer_t<T>, A> const& rhs, requires_arch<neon64>) noexcept + { + return vshlq_u64(lhs, vnegq_s64(rhs)); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> bitwise_rshift(batch<T, A> const& lhs, int n, requires_arch<neon64>) noexcept + { + return bitwise_rshift<A>(lhs, n, neon {}); + } + + template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0> + inline batch<T, A> bitwise_rshift(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon64>) noexcept + { + return vshlq_s64(lhs, vnegq_s64(rhs)); + } + + /**************** + * bitwise_cast * + ****************/ + +#define WRAP_CAST(SUFFIX, TYPE) \ + namespace wrap \ + { \ + inline float64x2_t vreinterpretq_f64_##SUFFIX(TYPE a) noexcept \ + { \ + return ::vreinterpretq_f64_##SUFFIX(a); \ + } \ + inline TYPE vreinterpretq_##SUFFIX##_f64(float64x2_t a) noexcept \ + { \ + return ::vreinterpretq_##SUFFIX##_f64(a); \ + } \ + } + + WRAP_CAST(u8, uint8x16_t) + WRAP_CAST(s8, int8x16_t) + WRAP_CAST(u16, uint16x8_t) + WRAP_CAST(s16, int16x8_t) + WRAP_CAST(u32, uint32x4_t) + WRAP_CAST(s32, int32x4_t) + WRAP_CAST(u64, uint64x2_t) + WRAP_CAST(s64, int64x2_t) + WRAP_CAST(f32, float32x4_t) + +#undef WRAP_CAST + + template <class A, class T> + inline batch<double, A> bitwise_cast(batch<T, A> const& arg, batch<double, A> const&, requires_arch<neon64>) noexcept + { + using caster_type = detail::bitwise_caster_impl<float64x2_t, + uint8x16_t, int8x16_t, + uint16x8_t, int16x8_t, + uint32x4_t, int32x4_t, + uint64x2_t, int64x2_t, + float32x4_t>; + const caster_type caster = { + std::make_tuple(wrap::vreinterpretq_f64_u8, wrap::vreinterpretq_f64_s8, wrap::vreinterpretq_f64_u16, wrap::vreinterpretq_f64_s16, + wrap::vreinterpretq_f64_u32, wrap::vreinterpretq_f64_s32, wrap::vreinterpretq_f64_u64, wrap::vreinterpretq_f64_s64, + wrap::vreinterpretq_f64_f32) + }; + using register_type = typename batch<T, A>::register_type; + return caster.apply(register_type(arg)); + } + + namespace detail + { + template <class S, class... R> + struct bitwise_caster_neon64 + { + using container_type = std::tuple<R (*)(S)...>; + container_type m_func; + + template <class V> + V apply(float64x2_t rhs) const + { + using func_type = V (*)(float64x2_t); + auto func = xsimd::detail::get<func_type>(m_func); + return func(rhs); + } + }; + } + + template <class A, class R> + inline batch<R, A> bitwise_cast(batch<double, A> const& arg, batch<R, A> const&, requires_arch<neon64>) noexcept + { + using caster_type = detail::bitwise_caster_neon64<float64x2_t, + uint8x16_t, int8x16_t, + uint16x8_t, int16x8_t, + uint32x4_t, int32x4_t, + uint64x2_t, int64x2_t, + float32x4_t>; + const caster_type caster = { + std::make_tuple(wrap::vreinterpretq_u8_f64, wrap::vreinterpretq_s8_f64, wrap::vreinterpretq_u16_f64, wrap::vreinterpretq_s16_f64, + wrap::vreinterpretq_u32_f64, wrap::vreinterpretq_s32_f64, wrap::vreinterpretq_u64_f64, wrap::vreinterpretq_s64_f64, + wrap::vreinterpretq_f32_f64) + }; + using src_register_type = typename batch<double, A>::register_type; + using dst_register_type = typename batch<R, A>::register_type; + return caster.apply<dst_register_type>(src_register_type(arg)); + } + + template <class A> + inline batch<double, A> bitwise_cast(batch<double, A> const& arg, batch<double, A> const&, requires_arch<neon64>) noexcept + { + return arg; + } + + /********* + * isnan * + *********/ + + template <class A> + inline batch_bool<double, A> isnan(batch<double, A> const& arg, requires_arch<neon64>) noexcept + { + return !(arg == arg); + } + + /**************** + * rotate_right * + ****************/ + template <size_t N, class A> + inline batch<double, A> rotate_right(batch<double, A> const& a, requires_arch<neon64>) noexcept + { + return vextq_f64(a, a, N); + } + } + + template <class batch_type, typename batch_type::value_type... Values> + struct batch_constant; + + namespace kernel + { + /********************* + * swizzle (dynamic) * + *********************/ + template <class A> + inline batch<uint8_t, A> swizzle(batch<uint8_t, A> const& self, batch<uint8_t, A> idx, + requires_arch<neon64>) noexcept + { + return vqtbl1q_u8(self, idx); + } + + template <class A> + inline batch<int8_t, A> swizzle(batch<int8_t, A> const& self, batch<uint8_t, A> idx, + requires_arch<neon64>) noexcept + { + return vqtbl1q_s8(self, idx); + } + + template <class A> + inline batch<uint16_t, A> swizzle(batch<uint16_t, A> const& self, + batch<uint16_t, A> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + using index_type = batch<uint8_t, A>; + return vreinterpretq_u16_u8(swizzle(batch_type(vreinterpretq_u8_u16(self)), + index_type(vreinterpretq_u8_u16(idx * 0x0202 + 0x0100)), + neon64 {})); + } + + template <class A> + inline batch<int16_t, A> swizzle(batch<int16_t, A> const& self, + batch<uint16_t, A> idx, + requires_arch<neon64>) noexcept + { + return bitwise_cast<int16_t>(swizzle(bitwise_cast<uint16_t>(self), idx, neon64 {})); + } + + template <class A> + inline batch<uint32_t, A> swizzle(batch<uint32_t, A> const& self, + batch<uint32_t, A> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + using index_type = batch<uint8_t, A>; + return vreinterpretq_u32_u8(swizzle(batch_type(vreinterpretq_u8_u32(self)), + index_type(vreinterpretq_u8_u32(idx * 0x04040404 + 0x03020100)), + neon64 {})); + } + + template <class A> + inline batch<int32_t, A> swizzle(batch<int32_t, A> const& self, + batch<uint32_t, A> idx, + requires_arch<neon64>) noexcept + { + return bitwise_cast<int32_t>(swizzle(bitwise_cast<uint32_t>(self), idx, neon64 {})); + } + + template <class A> + inline batch<uint64_t, A> swizzle(batch<uint64_t, A> const& self, + batch<uint64_t, A> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + using index_type = batch<uint8_t, A>; + return vreinterpretq_u64_u8(swizzle(batch_type(vreinterpretq_u8_u64(self)), + index_type(vreinterpretq_u8_u64(idx * 0x0808080808080808ull + 0x0706050403020100ull)), + neon64 {})); + } + + template <class A> + inline batch<int64_t, A> swizzle(batch<int64_t, A> const& self, + batch<uint64_t, A> idx, + requires_arch<neon64>) noexcept + { + return bitwise_cast<int64_t>(swizzle(bitwise_cast<uint64_t>(self), idx, neon64 {})); + } + + template <class A> + inline batch<float, A> swizzle(batch<float, A> const& self, + batch<uint32_t, A> idx, + requires_arch<neon64>) noexcept + { + return bitwise_cast<float>(swizzle(bitwise_cast<uint32_t>(self), idx, neon64 {})); + } + + template <class A> + inline batch<double, A> swizzle(batch<double, A> const& self, + batch<uint64_t, A> idx, + requires_arch<neon64>) noexcept + { + return bitwise_cast<double>(swizzle(bitwise_cast<uint64_t>(self), idx, neon64 {})); + } + + /******************** + * swizzle (static) * + ********************/ + + namespace detail + { + using ::xsimd::batch_constant; + using ::xsimd::detail::integer_sequence; + using ::xsimd::detail::make_integer_sequence; + + template <class CB1, class CB2, class IS> + struct index_burst_impl; + + template <class B1, class B2, typename B2::value_type... V, + typename B2::value_type... incr> + struct index_burst_impl<batch_constant<B1>, batch_constant<B2, V...>, + integer_sequence<typename B2::value_type, incr...>> + { + using type = batch_constant<B2, V...>; + }; + + template <class B1, typename B1::value_type V0, typename B1::value_type... V1, + class B2, typename B2::value_type... V2, + typename B2::value_type... incr> + struct index_burst_impl<batch_constant<B1, V0, V1...>, batch_constant<B2, V2...>, + integer_sequence<typename B2::value_type, incr...>> + { + using value_type = typename B2::value_type; + using next_input = batch_constant<B1, V1...>; + using next_output = batch_constant<B2, V2..., (V0 + incr)...>; + using type = typename index_burst_impl<next_input, next_output, integer_sequence<value_type, incr...>>::type; + }; + + template <class B, class T> + struct index_burst; + + template <class B, typename B::value_type... V, class T> + struct index_burst<batch_constant<B, V...>, T> + { + static constexpr size_t mul = sizeof(typename B::value_type) / sizeof(T); + using input = batch_constant<B, (mul * V)...>; + using output = batch_constant<batch<T, typename B::arch_type>>; + using type = typename index_burst_impl<input, output, make_integer_sequence<T, mul>>::type; + }; + + template <class B, class T> + using index_burst_t = typename index_burst<B, T>::type; + + template <class T, class B> + inline index_burst_t<B, T> burst_index(B) + { + return index_burst_t<B, T>(); + } + } + + template <class A, uint8_t V0, uint8_t V1, uint8_t V2, uint8_t V3, uint8_t V4, uint8_t V5, uint8_t V6, uint8_t V7, + uint8_t V8, uint8_t V9, uint8_t V10, uint8_t V11, uint8_t V12, uint8_t V13, uint8_t V14, uint8_t V15> + inline batch<uint8_t, A> swizzle(batch<uint8_t, A> const& self, + batch_constant<batch<uint8_t, A>, V0, V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V11, V12, V13, V14, V15> idx, + requires_arch<neon64>) noexcept + { + return vqtbl1q_u8(self, batch<uint8_t, A>(idx)); + } + + template <class A, uint8_t V0, uint8_t V1, uint8_t V2, uint8_t V3, uint8_t V4, uint8_t V5, uint8_t V6, uint8_t V7, + uint8_t V8, uint8_t V9, uint8_t V10, uint8_t V11, uint8_t V12, uint8_t V13, uint8_t V14, uint8_t V15> + inline batch<int8_t, A> swizzle(batch<int8_t, A> const& self, + batch_constant<batch<uint8_t, A>, V0, V1, V2, V3, V4, V5, V6, V7, V8, V9, V10, V11, V12, V13, V14, V15> idx, + requires_arch<neon64>) noexcept + { + return vqtbl1q_s8(self, batch<uint8_t, A>(idx)); + } + + template <class A, uint16_t V0, uint16_t V1, uint16_t V2, uint16_t V3, uint16_t V4, uint16_t V5, uint16_t V6, uint16_t V7> + inline batch<uint16_t, A> swizzle(batch<uint16_t, A> const& self, + batch_constant<batch<uint16_t, A>, V0, V1, V2, V3, V4, V5, V6, V7> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + return vreinterpretq_u16_u8(swizzle<A>(batch_type(vreinterpretq_u8_u16(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint16_t V0, uint16_t V1, uint16_t V2, uint16_t V3, uint16_t V4, uint16_t V5, uint16_t V6, uint16_t V7> + inline batch<int16_t, A> swizzle(batch<int16_t, A> const& self, + batch_constant<batch<uint16_t, A>, V0, V1, V2, V3, V4, V5, V6, V7> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<int8_t, A>; + return vreinterpretq_s16_s8(swizzle<A>(batch_type(vreinterpretq_s8_s16(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint32_t V0, uint32_t V1, uint32_t V2, uint32_t V3> + inline batch<uint32_t, A> swizzle(batch<uint32_t, A> const& self, + batch_constant<batch<uint32_t, A>, V0, V1, V2, V3> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + return vreinterpretq_u32_u8(swizzle<A>(batch_type(vreinterpretq_u8_u32(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint32_t V0, uint32_t V1, uint32_t V2, uint32_t V3> + inline batch<int32_t, A> swizzle(batch<int32_t, A> const& self, + batch_constant<batch<uint32_t, A>, V0, V1, V2, V3> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<int8_t, A>; + return vreinterpretq_s32_s8(swizzle<A>(batch_type(vreinterpretq_s8_s32(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint64_t V0, uint64_t V1> + inline batch<uint64_t, A> swizzle(batch<uint64_t, A> const& self, + batch_constant<batch<uint64_t, A>, V0, V1> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + return vreinterpretq_u64_u8(swizzle<A>(batch_type(vreinterpretq_u8_u64(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint64_t V0, uint64_t V1> + inline batch<int64_t, A> swizzle(batch<int64_t, A> const& self, + batch_constant<batch<uint64_t, A>, V0, V1> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<int8_t, A>; + return vreinterpretq_s64_s8(swizzle<A>(batch_type(vreinterpretq_s8_s64(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint32_t V0, uint32_t V1, uint32_t V2, uint32_t V3> + inline batch<float, A> swizzle(batch<float, A> const& self, + batch_constant<batch<uint32_t, A>, V0, V1, V2, V3> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + return vreinterpretq_f32_u8(swizzle<A>(batch_type(vreinterpretq_u8_f32(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint64_t V0, uint64_t V1> + inline batch<double, A> swizzle(batch<double, A> const& self, + batch_constant<batch<uint64_t, A>, V0, V1> idx, + requires_arch<neon64>) noexcept + { + using batch_type = batch<uint8_t, A>; + return vreinterpretq_f64_u8(swizzle<A>(batch_type(vreinterpretq_u8_f64(self)), detail::burst_index<uint8_t>(idx), A())); + } + + template <class A, uint32_t V0, uint32_t V1, uint32_t V2, uint32_t V3> + inline batch<std::complex<float>, A> swizzle(batch<std::complex<float>, A> const& self, + batch_constant<batch<uint32_t, A>, V0, V1, V2, V3> idx, + requires_arch<neon64>) noexcept + { + return batch<std::complex<float>>(swizzle(self.real(), idx, A()), swizzle(self.imag(), idx, A())); + } + + template <class A, uint64_t V0, uint64_t V1> + inline batch<std::complex<double>, A> swizzle(batch<std::complex<double>, A> const& self, + batch_constant<batch<uint64_t, A>, V0, V1> idx, + requires_arch<neon64>) noexcept + { + return batch<std::complex<double>>(swizzle(self.real(), idx, A()), swizzle(self.imag(), idx, A())); + } + } +} + +#endif |