mirror of
https://git.code.sf.net/p/quake/quakeforge
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123 lines
2.7 KiB
C
123 lines
2.7 KiB
C
/*
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QF/simd/vec4i.h
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Vector functions for vec4i_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_vec4i_h
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#define __QF_simd_vec4i_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 vec4i_t vabs4i (vec4i_t v) __attribute__((const));
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GNU89INLINE inline int any4i (vec4i_t v) __attribute__((const));
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GNU89INLINE inline int all4i (vec4i_t v) __attribute__((const));
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GNU89INLINE inline int none4i (vec4i_t v) __attribute__((const));
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GNU89INLINE inline vec4i_t loadvec3i (const int *v3) __attribute__((pure));
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GNU89INLINE inline void storevec3i (int *v3, vec4i_t v4);
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#ifndef IMPLEMENT_VEC4F_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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vec4i_t
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vabs4i (vec4i_t v)
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{
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const uint32_t nan = ~0u >> 1;
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const vec4i_t abs = { nan, nan, nan, nan };
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return (vec4i_t) ((vec4i_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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any4i (vec4i_t v)
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{
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return !__builtin_ia32_ptestz128 ((__v2di)v, (__v2di)v);
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/*vec4i_t t = (v != (vec4i_t) {});
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t = __builtin_ia32_phaddd128 (t, t);
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return __builtin_ia32_phaddd128 (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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all4i (vec4i_t v)
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{
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vec4i_t t = (v == (vec4i_t) {});
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return __builtin_ia32_ptestz128 ((__v2di)t, (__v2di)t);
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/*t = __builtin_ia32_phaddd128 (t, t);
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return __builtin_ia32_phaddd128 (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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none4i (vec4i_t v)
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{
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return __builtin_ia32_ptestz128 ((__v2di)v, (__v2di)v);
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/*vec4i_t t = (v != (vec4i_t) {});
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t = __builtin_ia32_phaddd128 (t, t);
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return __builtin_ia32_phaddd128 (t, t)[0] == 0;*/
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}
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#ifndef IMPLEMENT_VEC4F_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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vec4i_t
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loadvec3i (const int *v3)
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{
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vec4i_t v4 = { v3[0], v3[1], v3[2], 0 };
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return v4;
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}
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#ifndef IMPLEMENT_VEC4F_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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void
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storevec3i (int *v3, vec4i_t v4)
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{
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v3[0] = v4[0];
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v3[1] = v4[1];
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v3[2] = v4[2];
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}
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#endif//__QF_simd_vec4i_h
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