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https://git.code.sf.net/p/quake/quakeforge
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90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/*
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QF/simd/vec2i.h
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Vector functions for vec2i_t (ie, int)
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Copyright (C) 2022 Bill Currie <bill@taniwha.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __QF_simd_vec2i_h
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#define __QF_simd_vec2i_h
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#include <immintrin.h>
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#include <math.h>
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#include "QF/simd/types.h"
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GNU89INLINE inline vec2i_t vabs2i (vec2i_t v) __attribute__((const));
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GNU89INLINE inline int any2i (vec2i_t v) __attribute__((const));
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GNU89INLINE inline int all2i (vec2i_t v) __attribute__((const));
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GNU89INLINE inline int none2i (vec2i_t v) __attribute__((const));
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#ifndef IMPLEMENT_VEC2I_Funcs
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GNU89INLINE inline
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#else
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VISIBLE
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#endif
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vec2i_t
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vabs2i (vec2i_t v)
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{
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const uint32_t nan = ~0u >> 1;
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const vec2i_t abs = { nan, nan };
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return (vec2i_t) ((vec2i_t) v & abs);
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}
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#ifndef IMPLEMENT_VEC2I_Funcs
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GNU89INLINE inline
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#else
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VISIBLE
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#endif
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int
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any2i (vec2i_t v)
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{
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vec2i_t t = _m_pcmpeqd (v, (vec2i_t) {0, 0});
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return _mm_hadd_pi32 (t, t)[0] > -2;
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}
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#ifndef IMPLEMENT_VEC2I_Funcs
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GNU89INLINE inline
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#else
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VISIBLE
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#endif
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int
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all2i (vec2i_t v)
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{
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vec2i_t t = _m_pcmpeqd (v, (vec2i_t) {0, 0});
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return _mm_hadd_pi32 (t, t)[0] == 0;
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}
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#ifndef IMPLEMENT_VEC2I_Funcs
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GNU89INLINE inline
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#else
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VISIBLE
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#endif
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int
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none2i (vec2i_t v)
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{
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vec2i_t t = _m_pcmpeqd (v, (vec2i_t) {0, 0});
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return _mm_hadd_pi32 (t, t)[0] == -2;
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}
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#endif//__QF_simd_vec2i_h
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