mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 06:34:11 +00:00
ef2793010c
No need for compiler flags for 64-bit arm, and the few intrinsics that are actually needed are in a different header.
149 lines
2.9 KiB
C
149 lines
2.9 KiB
C
/*
|
|
QF/simd/vec2d.h
|
|
|
|
Vector functions for vec2d_t (ie, double precision)
|
|
|
|
Copyright (C) 2020 Bill Currie <bill@taniwha.org>
|
|
Copyright (C) 2022 Bill Currie <bill@taniwha.org>
|
|
|
|
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; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
|
|
#ifndef __QF_simd_vec2d_h
|
|
#define __QF_simd_vec2d_h
|
|
|
|
#ifdef __aarch64__
|
|
#include <arm_neon.h>
|
|
#else
|
|
#include <immintrin.h>
|
|
#endif
|
|
|
|
#include "QF/simd/types.h"
|
|
|
|
GNU89INLINE inline vec2d_t vsqrt2d (vec2d_t v) __attribute__((const));
|
|
GNU89INLINE inline vec2d_t vceil2d (vec2d_t v) __attribute__((const));
|
|
GNU89INLINE inline vec2d_t vfloor2d (vec2d_t v) __attribute__((const));
|
|
GNU89INLINE inline vec2d_t vtrunc2d (vec2d_t v) __attribute__((const));
|
|
/** 2D vector dot product.
|
|
*/
|
|
GNU89INLINE inline vec2d_t dot2d (vec2d_t a, vec2d_t b) __attribute__((const));
|
|
GNU89INLINE inline vec2d_t cmuld (vec2d_t a, vec2d_t b) __attribute__((const));
|
|
|
|
#ifndef IMPLEMENT_VEC2D_Funcs
|
|
GNU89INLINE inline
|
|
#else
|
|
VISIBLE
|
|
#endif
|
|
vec2d_t
|
|
vsqrt2d (vec2d_t v)
|
|
{
|
|
#ifdef __aarch64__
|
|
return vsqrtq_f64 (v);
|
|
#else
|
|
return _mm_sqrt_pd (v);
|
|
#endif
|
|
}
|
|
|
|
#ifndef IMPLEMENT_VEC2D_Funcs
|
|
GNU89INLINE inline
|
|
#else
|
|
VISIBLE
|
|
#endif
|
|
vec2d_t
|
|
vceil2d (vec2d_t v)
|
|
{
|
|
#ifndef __SSE4_1__
|
|
return (vec2d_t) {
|
|
ceil (v[0]),
|
|
ceil (v[1]),
|
|
};
|
|
#else
|
|
return _mm_ceil_pd (v);
|
|
#endif
|
|
}
|
|
|
|
#ifndef IMPLEMENT_VEC2D_Funcs
|
|
GNU89INLINE inline
|
|
#else
|
|
VISIBLE
|
|
#endif
|
|
vec2d_t
|
|
vfloor2d (vec2d_t v)
|
|
{
|
|
#ifndef __SSE4_1__
|
|
return (vec2d_t) {
|
|
floor (v[0]),
|
|
floor (v[1]),
|
|
};
|
|
#else
|
|
return _mm_floor_pd (v);
|
|
#endif
|
|
}
|
|
|
|
#ifndef IMPLEMENT_VEC2D_Funcs
|
|
GNU89INLINE inline
|
|
#else
|
|
VISIBLE
|
|
#endif
|
|
vec2d_t
|
|
vtrunc2d (vec2d_t v)
|
|
{
|
|
#ifndef __SSE4_1__
|
|
return (vec2d_t) {
|
|
trunc (v[0]),
|
|
trunc (v[1]),
|
|
};
|
|
#else
|
|
return _mm_round_pd (v, _MM_FROUND_TRUNC);
|
|
#endif
|
|
}
|
|
|
|
#ifndef IMPLEMENT_VEC2D_Funcs
|
|
GNU89INLINE inline
|
|
#else
|
|
VISIBLE
|
|
#endif
|
|
vec2d_t
|
|
dot2d (vec2d_t a, vec2d_t b)
|
|
{
|
|
vec2d_t c = a * b;
|
|
// gcc-11 does a good job with hadd
|
|
c = (vec2d_t) { c[0] + c[1], c[0] + c[1] };
|
|
return c;
|
|
}
|
|
|
|
#ifndef IMPLEMENT_VEC2F_Funcs
|
|
GNU89INLINE inline
|
|
#else
|
|
VISIBLE
|
|
#endif
|
|
vec2d_t
|
|
cmuld (vec2d_t a, vec2d_t b)
|
|
{
|
|
vec2d_t c1 = a * b[0];
|
|
vec2d_t c2 = a * b[1];
|
|
#ifndef __SSE3__
|
|
return (vec2d_t) { c1[0] - c2[1], c1[1] + c2[0] };
|
|
#else
|
|
return _mm_addsub_pd (c1, (vec2d_t) { c2[1], c2[0] });
|
|
#endif
|
|
}
|
|
|
|
#endif//__QF_simd_vec2d_h
|