100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
#ifndef BOOST_QVM_VEC_TRAITS_GNUC_HPP_INCLUDED
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#define BOOST_QVM_VEC_TRAITS_GNUC_HPP_INCLUDED
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// Copyright 2008-2022 Emil Dotchevski and Reverge Studios, Inc.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if defined(__GNUC__) && defined(__SSE2__)
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#include <boost/qvm/config.hpp>
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#include <boost/qvm/assert.hpp>
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#include <boost/qvm/static_assert.hpp>
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namespace boost { namespace qvm {
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namespace
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qvm_detail
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{
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template <class V, class T, int D>
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struct
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vec_traits_gnuc_impl
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{
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typedef T scalar_type;
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static int const dim=D;
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template <int I>
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static
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BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
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scalar_type
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read_element( V const & x )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<dim);
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return x[I];
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}
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template <int I>
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static
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BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
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void
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write_element( V & x, scalar_type s )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<dim);
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x[I] = s;
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}
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static
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BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
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scalar_type
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read_element_idx( int i, V const & x )
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{
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BOOST_QVM_ASSERT(i>=0);
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BOOST_QVM_ASSERT(i<dim);
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return x[i];
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}
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static
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BOOST_QVM_CONSTEXPR BOOST_QVM_INLINE_CRITICAL
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void
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write_element_idx( int i, V & x, scalar_type s )
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{
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BOOST_QVM_ASSERT(i>=0);
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BOOST_QVM_ASSERT(i<dim);
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x[i] = s;
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}
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};
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}
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template <class> struct vec_traits;
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template <class> struct is_vec;
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#define BOOST_QVM_GNUC_VEC_TYPE(T,D)\
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template <>\
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struct\
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vec_traits<T __attribute__((vector_size(sizeof(T)*D)))>:\
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qvm_detail::vec_traits_gnuc_impl<T __attribute__((vector_size(sizeof(T)*D))),T,D>\
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{\
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};\
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template <>\
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struct\
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is_vec<T __attribute__((vector_size(sizeof(T)*D)))>\
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{\
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enum { value = true };\
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};
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BOOST_QVM_GNUC_VEC_TYPE(float,2);
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BOOST_QVM_GNUC_VEC_TYPE(float,4);
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BOOST_QVM_GNUC_VEC_TYPE(double,2);
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BOOST_QVM_GNUC_VEC_TYPE(double,4);
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#undef BOOST_QVM_GNUC_VEC_TYPE
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} }
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#endif
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#endif
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