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quakeforge/include/QF/simd/vec2d.h

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[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
/*
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
#include <immintrin.h>
#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)
{
return _mm_sqrt_pd (v);
}
#ifndef IMPLEMENT_VEC2D_Funcs
GNU89INLINE inline
#else
VISIBLE
#endif
vec2d_t
vceil2d (vec2d_t v)
{
[simd] Get the new functions working on older hardware 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.
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#ifndef __SSE4_1__
return (vec2d_t) {
ceil (v[0]),
ceil (v[1]),
};
#else
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
return _mm_ceil_pd (v);
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#endif
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
}
#ifndef IMPLEMENT_VEC2D_Funcs
GNU89INLINE inline
#else
VISIBLE
#endif
vec2d_t
vfloor2d (vec2d_t v)
{
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#ifndef __SSE4_1__
return (vec2d_t) {
floor (v[0]),
floor (v[1]),
};
#else
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
return _mm_floor_pd (v);
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#endif
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
}
#ifndef IMPLEMENT_VEC2D_Funcs
GNU89INLINE inline
#else
VISIBLE
#endif
vec2d_t
vtrunc2d (vec2d_t v)
{
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#ifndef __SSE4_1__
return (vec2d_t) {
trunc (v[0]),
trunc (v[1]),
};
#else
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
return _mm_round_pd (v, _MM_FROUND_TRUNC);
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#endif
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
}
#ifndef IMPLEMENT_VEC2D_Funcs
GNU89INLINE inline
#else
VISIBLE
#endif
vec2d_t
dot2d (vec2d_t a, vec2d_t b)
{
vec2d_t c = a * b;
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
// gcc-11 does a good job with hadd
c = (vec2d_t) { c[0] + c[1], c[0] + c[1] };
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
return c;
}
#ifndef IMPLEMENT_VEC2F_Funcs
GNU89INLINE inline
#else
VISIBLE
#endif
vec2d_t
cmuld (vec2d_t a, vec2d_t b)
{
[simd] Correct result for cmuld I must have had quite the brain-fart when I wrote that. Yay for tests :)
2022-01-03 14:00:22 +00:00
vec2d_t c1 = a * b[0];
vec2d_t c2 = a * b[1];
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#ifndef __SSE3__
return (vec2d_t) { c1[0] - c2[1], c1[1] + c2[0] };
#else
[simd] Correct result for cmuld I must have had quite the brain-fart when I wrote that. Yay for tests :)
2022-01-03 14:00:22 +00:00
return _mm_addsub_pd (c1, (vec2d_t) { c2[1], c2[0] });
[simd] Get the new functions working on older hardware 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.
2022-01-07 02:46:45 +00:00
#endif
[simd] Add 2d vector types For int, long, float and double. I've been meaning to add them for a while, and they're part of the new Ruamoko instructions set (which is progressing nicely).
2022-01-01 15:57:55 +00:00
}
#endif//__QF_simd_vec2d_h