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simd constexpr vec: fix some compile-time and run-time issues

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sharkautarch 2024-09-11 14:09:50 -04:00
parent dfe35accb7
commit f0b305ce43
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GPG Key ID: F270CA9462164405
2 changed files with 89 additions and 43 deletions
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130
glm/detail/simd_constexpr/vec.hpp
View File

@ -98,6 +98,9 @@ namespace glm
#include "simd_helpers.inl"
#include "../compute_vector_relational.hpp"
#include "../compute_vector_decl.hpp"
#if GLM_CONFIG_SIMD == GLM_ENABLE
# include "../type_vec_simd.inl"
#endif
namespace glm
{
template<length_t L, typename T, qualifier Q>
@ -131,12 +134,55 @@ namespace glm
default:
case 0:
return x;
case 1:
return y.t;
case 2:
return z.t;
case 3:
return w.t;
case 1: {
if constexpr (L>=2)
return y.t;
else
__builtin_unreachable();
}
case 2:{
if constexpr (L>=3)
return z.t;
else
__builtin_unreachable();
}
case 3:{
if constexpr (L>=4)
return w.t;
else
__builtin_unreachable();
}
}
}
inline GLM_CONSTEXPR T operator[](length_t i) const
{
if (!std::is_constant_evaluated()) {
GLM_ASSERT_LENGTH(i, L);
}
switch (std::max(i, length()))
{
default:
case 0:
return x;
case 1: {
if constexpr (L>=2)
return y.t;
else
__builtin_unreachable();
}
case 2:{
if constexpr (L>=3)
return z.t;
else
__builtin_unreachable();
}
case 3:{
if constexpr (L>=4)
return w.t;
else
__builtin_unreachable();
}
}
}
@ -302,7 +348,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator+=(vec<1, Tx, Q> v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator+=(vec<1, Tx, Q> v) requires (L != 1)
{
return (*this = detail::compute_vec_add<L, T, Q, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v.x)));
}
@ -319,7 +365,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator-=(vec<1, Tx, Q> v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator-=(vec<1, Tx, Q> v) requires (L != 1)
{
return (*this = detail::compute_vec_sub<L, T, Q, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v.x)));
}
@ -336,7 +382,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator*=(vec<1, Tx, Q> v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator*=(vec<1, Tx, Q> v) requires (L != 1)
{
return (*this = detail::compute_vec_mul<L,T, Q, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v.x)));
}
@ -353,7 +399,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator/=(vec<1, Tx, Q> v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator/=(vec<1, Tx, Q> v) requires (L != 1)
{
return (*this = detail::compute_vec_div<L, T, Q, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v.x)));
}
@ -406,7 +452,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator%=(vec<1, Tx, Q> v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator%=(vec<1, Tx, Q> v) requires (L != 1)
{
return (*this = detail::compute_vec_mod<L, T, Q, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v)));
}
@ -423,7 +469,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator&=(vec<1, Tx, Q> v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator&=(vec<1, Tx, Q> v) requires (L != 1)
{
return (*this = detail::compute_vec_and<L, T, Q, detail::is_int<T>::value, sizeof(T) * 8, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v)));
}
@ -440,7 +486,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator|=(vec<1, Tx, Q> const& v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator|=(vec<1, Tx, Q> const& v) requires (L != 1)
{
return (*this = detail::compute_vec_or<L, T, Q, detail::is_int<T>::value, sizeof(T) * 8, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v)));
}
@ -457,7 +503,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator^=(vec<1, Tx, Q> const& v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator^=(vec<1, Tx, Q> const& v) requires (L != 1)
{
return (*this = detail::compute_vec_xor<L, T, Q, detail::is_int<T>::value, sizeof(T) * 8, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v)));
}
@ -474,7 +520,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator<<=(vec<1, Tx, Q> const& v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator<<=(vec<1, Tx, Q> const& v) requires (L != 1)
{
return (*this = detail::compute_vec_shift_left<L, T, Q, detail::is_int<T>::value, sizeof(T) * 8, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v)));
}
@ -491,7 +537,7 @@ namespace glm
}
template<typename Tx>
inline GLM_CONSTEXPR vec<L, T, Q> & operator>>=(vec<1, Tx, Q> const& v)
inline GLM_CONSTEXPR vec<L, T, Q> & operator>>=(vec<1, Tx, Q> const& v) requires (L != 1)
{
return (*this = detail::compute_vec_shift_right<L, T, Q, detail::is_int<T>::value, sizeof(T) * 8, detail::is_aligned<Q>::value>::call(*this, vec<L, T, Q>(v)));
}
@ -521,7 +567,7 @@ namespace glm
return vec<L, T, Q>(*this) += scalar;
}
inline GLM_CONSTEXPR vec<L, T, Q> operator+(vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator+(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(*this) += v2;
}
@ -531,7 +577,7 @@ namespace glm
return vec<L, T, Q>(v) += scalar;
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator+(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator+(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v2) += v1;
}
@ -546,7 +592,7 @@ namespace glm
return vec<L, T, Q>(*this) -= scalar;
}
inline GLM_CONSTEXPR vec<L, T, Q> operator-(vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator-(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(*this) -= v2;
}
@ -556,7 +602,7 @@ namespace glm
return vec<L, T, Q>(scalar) -= v;
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator-(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator-(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) -= v2;
}
@ -572,7 +618,7 @@ namespace glm
}
inline GLM_CONSTEXPR vec<L, T, Q> operator*(vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator*(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(*this) *= v2;
}
@ -584,7 +630,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator*(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator*(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v2) *= v1;
}
@ -602,7 +648,7 @@ namespace glm
}
inline GLM_CONSTEXPR vec<L, T, Q> operator/(vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator/(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(*this) /= v2;
}
@ -614,7 +660,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator/(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator/(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) /= v2;
}
@ -634,9 +680,9 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator%(vec<L, T, Q> const& v1, vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator%(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1) %= v2.x;
return vec<L, T, Q>(*this) %= v2.x;
}
@ -646,7 +692,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator%(vec<1, T, Q> const& scalar, vec<L, T, Q> const& v)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator%(vec<1, T, Q> const& scalar, vec<L, T, Q> const& v) requires (L != 1)
{
return vec<L, T, Q>(scalar.x) %= v;
}
@ -664,9 +710,9 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator&(vec<L, T, Q> const& v, vec<1, T, Q> const& scalar)
inline GLM_CONSTEXPR vec<L, T, Q> operator&(vec<1, T, Q> const& scalar) requires (L != 1)
{
return vec<L, T, Q>(v) &= scalar;
return vec<L, T, Q>(*this) &= scalar;
}
@ -676,7 +722,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator&(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator&(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) &= v2;
}
@ -694,9 +740,9 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator|(vec<L, T, Q> const& v1, vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator|(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1) |= v2.x;
return vec<L, T, Q>(*this) |= v2.x;
}
@ -706,7 +752,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator|(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator|(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) |= v2;
}
@ -724,9 +770,9 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator^(vec<L, T, Q> const& v1, vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator^(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1) ^= v2.x;
return vec<L, T, Q>(*this) ^= v2.x;
}
@ -736,7 +782,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator^(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator^(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) ^= v2;
}
@ -754,9 +800,9 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator<<(vec<L, T, Q> const& v1, vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator<<(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1) <<= v2.x;
return vec<L, T, Q>(*this) <<= v2.x;
}
@ -766,7 +812,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator<<(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator<<(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) <<= v2;
}
@ -784,9 +830,9 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator>>(vec<L, T, Q> const& v1, vec<1, T, Q> const& v2)
inline GLM_CONSTEXPR vec<L, T, Q> operator>>(vec<1, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1) >>= v2.x;
return vec<L, T, Q>(*this) >>= v2.x;
}
@ -796,7 +842,7 @@ namespace glm
}
friend inline GLM_CONSTEXPR vec<L, T, Q> operator>>(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2)
friend inline GLM_CONSTEXPR vec<L, T, Q> operator>>(vec<1, T, Q> const& v1, vec<L, T, Q> const& v2) requires (L != 1)
{
return vec<L, T, Q>(v1.x) >>= v2;
}

2
test/core/core_c++20_simd_constexpr.cpp
View File

@ -32,6 +32,6 @@ int main()
avec4 vfin = glm::max(v1, v2) + v3;
static_assert(sizeof(vfin)>0);
printf("vfin = %f %f %f %f\n", vfin[0], vfin[1], vfin[2], vfin[3]);
printf("v3 = %f %f %f %f\n", v3.x, v3.y, v3.z, v3.w);
printf("v3 = %f %f %f %f\n", v3[0], v3[1], v3[2], v3[3]);
return 0;
}