mirror of
https://git.code.sf.net/p/quake/quakeforge
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23613ca985
In some cases, gcc-11 does a good enough job translating normal looking C expressions so use just those, but other times need to dig around for an appropriate intrinsic. Also, now need to disable psapi warnings when compiling for anything less than avx.
141 lines
2.7 KiB
C
141 lines
2.7 KiB
C
/*
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QF/simd/vec2d.h
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Vector functions for vec2d_t (ie, double precision)
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Copyright (C) 2020 Bill Currie <bill@taniwha.org>
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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_vec2d_h
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#define __QF_simd_vec2d_h
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#include <immintrin.h>
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#include "QF/simd/types.h"
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GNU89INLINE inline vec2d_t vsqrt2d (vec2d_t v) __attribute__((const));
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GNU89INLINE inline vec2d_t vceil2d (vec2d_t v) __attribute__((const));
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GNU89INLINE inline vec2d_t vfloor2d (vec2d_t v) __attribute__((const));
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GNU89INLINE inline vec2d_t vtrunc2d (vec2d_t v) __attribute__((const));
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/** 2D vector dot product.
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*/
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GNU89INLINE inline vec2d_t dot2d (vec2d_t a, vec2d_t b) __attribute__((const));
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GNU89INLINE inline vec2d_t cmuld (vec2d_t a, vec2d_t b) __attribute__((const));
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#ifndef IMPLEMENT_VEC2D_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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vec2d_t
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vsqrt2d (vec2d_t v)
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{
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return _mm_sqrt_pd (v);
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}
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#ifndef IMPLEMENT_VEC2D_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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vec2d_t
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vceil2d (vec2d_t v)
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{
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#ifndef __SSE4_1__
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return (vec2d_t) {
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ceil (v[0]),
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ceil (v[1]),
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};
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#else
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return _mm_ceil_pd (v);
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#endif
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}
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#ifndef IMPLEMENT_VEC2D_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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vec2d_t
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vfloor2d (vec2d_t v)
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{
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#ifndef __SSE4_1__
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return (vec2d_t) {
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floor (v[0]),
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floor (v[1]),
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};
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#else
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return _mm_floor_pd (v);
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#endif
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}
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#ifndef IMPLEMENT_VEC2D_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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vec2d_t
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vtrunc2d (vec2d_t v)
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{
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#ifndef __SSE4_1__
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return (vec2d_t) {
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trunc (v[0]),
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trunc (v[1]),
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};
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#else
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return _mm_round_pd (v, _MM_FROUND_TRUNC);
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#endif
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}
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#ifndef IMPLEMENT_VEC2D_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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vec2d_t
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dot2d (vec2d_t a, vec2d_t b)
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{
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vec2d_t c = a * b;
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// gcc-11 does a good job with hadd
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c = (vec2d_t) { c[0] + c[1], c[0] + c[1] };
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return c;
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}
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#ifndef IMPLEMENT_VEC2F_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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vec2d_t
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cmuld (vec2d_t a, vec2d_t b)
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{
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vec2d_t c1 = a * b[0];
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vec2d_t c2 = a * b[1];
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#ifndef __SSE3__
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return (vec2d_t) { c1[0] - c2[1], c1[1] + c2[0] };
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#else
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return _mm_addsub_pd (c1, (vec2d_t) { c2[1], c2[0] });
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#endif
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}
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#endif//__QF_simd_vec2d_h
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