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Merged
AntoinePrv merged 1 commit into from
Apr 22, 2026
Merged

Factor integer traits and disentangle traits headers #1314

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5 changes: 4 additions & 1 deletion include/xsimd/arch/common/xsimd_common_cast.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,10 @@
#ifndef XSIMD_COMMON_CAST_HPP
#define XSIMD_COMMON_CAST_HPP

#include "../../types/xsimd_traits.hpp"
#include <array>

#include "../../config/xsimd_macros.hpp"
#include "../../utils/xsimd_type_traits.hpp"

namespace xsimd
{
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1 change: 1 addition & 0 deletions include/xsimd/arch/xsimd_neon.hpp
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Expand Up @@ -21,6 +21,7 @@

#include "../types/xsimd_neon_register.hpp"
#include "../types/xsimd_utils.hpp"
#include "../utils/xsimd_type_traits.hpp"
#include "./common/xsimd_common_bit.hpp"
#include "./common/xsimd_common_cast.hpp"

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114 changes: 30 additions & 84 deletions include/xsimd/arch/xsimd_rvv.hpp
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Expand Up @@ -16,6 +16,7 @@
#include "../config/xsimd_macros.hpp"
#include "../types/xsimd_batch_constant.hpp"
#include "../types/xsimd_rvv_register.hpp"
#include "../utils/xsimd_type_traits.hpp"
#include "./xsimd_constants.hpp"

// This set of macros allows the synthesis of identifiers using a template and
Expand Down Expand Up @@ -86,32 +87,32 @@
// for the function signature argument(s) to XSIMD_RVV_OVERLOAD. That signature can
// also reference the template argument T, because it's a text substitution
// into the template.
#define XSIMD_RVV_WRAPPER_HEAD(NAME, SIGNATURE, ...) \
namespace NAME##_cruft \
{ \
template <class T> \
struct ctx \
{ \
static constexpr size_t width = XSIMD_RVV_BITS; \
static constexpr size_t vl = width / (sizeof(T) * 8); \
using vec = rvv_reg_t<T, width>; \
using uvec = rvv_reg_t<as_unsigned_relaxed_t<T>, width>; \
using svec = rvv_reg_t<as_signed_relaxed_t<T>, width>; \
using fvec = rvv_reg_t<as_float_relaxed_t<T>, width>; \
using bvec = rvv_bool_t<T, width>; \
using scalar_vec = rvv_reg_t<T, types::detail::rvv_width_m1>; \
using wide_vec = rvv_reg_t<T, width * 2>; \
using narrow_vec = rvv_reg_t<T, width / 2>; \
using type = SIGNATURE; \
}; \
template <class T> \
using sig_t = typename ctx<T>::type; \
template <class K, class T> \
struct impl \
{ \
void operator()() const noexcept {}; \
}; \
template <class K> \
#define XSIMD_RVV_WRAPPER_HEAD(NAME, SIGNATURE, ...) \
namespace NAME##_cruft \
{ \
template <class T> \
struct ctx \
{ \
static constexpr size_t width = XSIMD_RVV_BITS; \
static constexpr size_t vl = width / (sizeof(T) * 8); \
using vec = rvv_reg_t<T, width>; \
using uvec = rvv_reg_t<xsimd::sized_uint_t<sizeof(T)>, width>; \
using svec = rvv_reg_t<xsimd::sized_int_t<sizeof(T)>, width>; \
using fvec = rvv_reg_t<as_float_relaxed_t<T>, width>; \
using bvec = rvv_bool_t<T, width>; \
using scalar_vec = rvv_reg_t<T, types::detail::rvv_width_m1>; \
using wide_vec = rvv_reg_t<T, width * 2>; \
using narrow_vec = rvv_reg_t<T, width / 2>; \
using type = SIGNATURE; \
}; \
template <class T> \
using sig_t = typename ctx<T>::type; \
template <class K, class T> \
struct impl \
{ \
void operator()() const noexcept {}; \
}; \
template <class K> \
using impl_t = impl<K, sig_t<K>>;

#define XSIMD_RVV_WRAPPER_HEAD_NOVL(...) XSIMD_RVV_WRAPPER_HEAD(__VA_ARGS__)
Expand Down Expand Up @@ -294,57 +295,12 @@ namespace xsimd
template <class T, size_t Width = XSIMD_RVV_BITS>
using rvv_bool_t = types::detail::rvv_bool_t<T, Width>;

template <size_t>
struct as_signed_relaxed;
template <>
struct as_signed_relaxed<1>
{
using type = int8_t;
};
template <>
struct as_signed_relaxed<2>
{
using type = int16_t;
};
template <>
struct as_signed_relaxed<4>
{
using type = int32_t;
};
template <>
struct as_signed_relaxed<8>
{
using type = int64_t;
};
template <class T>
using as_signed_relaxed_t = typename as_signed_relaxed<sizeof(T)>::type;
template <size_t>
struct as_unsigned_relaxed;
template <>
struct as_unsigned_relaxed<1>
template <std::size_t S>
struct as_float_relaxed
{
using type = uint8_t;
using type = xsimd::sized_fp_t<S>;
};
template <>
struct as_unsigned_relaxed<2>
{
using type = uint16_t;
};
template <>
struct as_unsigned_relaxed<4>
{
using type = uint32_t;
};
template <>
struct as_unsigned_relaxed<8>
{
using type = uint64_t;
};
template <class T>
using as_unsigned_relaxed_t = typename as_unsigned_relaxed<sizeof(T)>::type;
template <size_t>
struct as_float_relaxed;
template <>
struct as_float_relaxed<1>
{
using type = int8_t;
Expand All @@ -354,16 +310,6 @@ namespace xsimd
{
using type = int16_t;
};
template <>
struct as_float_relaxed<4>
{
using type = float;
};
template <>
struct as_float_relaxed<8>
{
using type = double;
};
template <class T>
using as_float_relaxed_t = typename as_float_relaxed<sizeof(T)>::type;

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