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// sse integer vector helper class
//
// Copyright (C) 2011 Tim Blechmann
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef VEC_INT_SSE_HPP
#define VEC_INT_SSE_HPP
#include <emmintrin.h>
namespace nova {
namespace detail {
struct int_vec_sse2
{
__m128i data_;
explicit int_vec_sse2(int arg):
data_(_mm_set1_epi32(arg))
{}
int_vec_sse2(__m128 arg):
data_((__m128i)arg)
{}
int_vec_sse2(__m128i arg):
data_(arg)
{}
int_vec_sse2(int_vec_sse2 const & arg):
data_(arg.data_)
{}
int_vec_sse2(void)
{}
operator __m128i (void) const
{
return data_;
}
friend int_vec_sse2 operator+(int_vec_sse2 const & lhs, int_vec_sse2 const & rhs)
{
return _mm_add_epi32(lhs.data_, rhs.data_);
}
friend int_vec_sse2 operator-(int_vec_sse2 const & lhs, int_vec_sse2 const & rhs)
{
return _mm_sub_epi32(lhs.data_, rhs.data_);
}
#define RELATIONAL_MASK_OPERATOR(op, opcode) \
friend inline int_vec_sse2 mask_##op(int_vec_sse2 const & lhs, int_vec_sse2 const & rhs) \
{ \
return opcode(lhs.data_, rhs.data_); \
}
RELATIONAL_MASK_OPERATOR(lt, _mm_cmplt_epi32)
RELATIONAL_MASK_OPERATOR(gt, _mm_cmpgt_epi32)
RELATIONAL_MASK_OPERATOR(eq, _mm_cmpeq_epi32)
#undef RELATIONAL_MASK_OPERATOR
friend int_vec_sse2 operator&(int_vec_sse2 const & lhs, int_vec_sse2 const & rhs)
{
int_vec_sse2 ret = int_vec_sse2 (_mm_and_si128(lhs.data_, rhs.data_));
return ret;
}
friend inline int_vec_sse2 andnot(int_vec_sse2 const & lhs, int_vec_sse2 const & rhs)
{
return int_vec_sse2(_mm_andnot_si128(lhs.data_, rhs.data_));
}
// shift in zeros
friend inline int_vec_sse2 slli(int_vec_sse2 const & arg, int count)
{
int_vec_sse2 ret (_mm_slli_epi32(arg.data_, count));
return ret;
}
// shift in zeros
friend inline int_vec_sse2 srli(int_vec_sse2 const & arg, int count)
{
int_vec_sse2 ret (_mm_srli_epi32(arg.data_, count));
return ret;
}
inline __m128 convert_to_float(void) const
{
return _mm_cvtepi32_ps(data_);
}
};
}
}
#endif /* VEC_INT_SSE_HPP */
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