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sse.h
/*
* Software License Agreement (Simplified BSD License)
*
* Point Cloud Library (PCL) - www.pointclouds.org
* Copyright (c) 2013-, Open Perception, Inc.
* Copyright (c) 2012, Piotr Dollar & Ron Appel.[pdollar-at-caltech.edu]
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
*list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
*this list of conditions and the following disclaimer in the documentation
*and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the FreeBSD Project.
*
* Taken from Piotr Dollar's MATLAB Image&Video ToolboxVersion 3.00.
*
*/
#pragma once
#if defined(__SSE2__)
#include <emmintrin.h> // SSE2:<e*.h>, SSE3:<p*.h>, SSE4:<s*.h>
#define RETf inline __m128
#define RETi inline __m128i
namespace pcl {
// set, load and store values
RETf sse_set( const float &x ) { return _mm_set1_ps(x); }
RETf sse_set( float x, float y, float z, float w ) { return _mm_set_ps(x,y,z,w); }
RETi sse_set( const int &x ) { return _mm_set1_epi32(x); }
RETf sse_ld( const float &x ) { return _mm_load_ps(&x); }
RETf sse_ldu( const float &x ) { return _mm_loadu_ps(&x); }
RETf sse_str( float &x, const __m128 y ) { _mm_store_ps(&x,y); return y; }
RETf sse_str1( float &x, const __m128 y ) { _mm_store_ss(&x,y); return y; }
RETf sse_stru( float &x, const __m128 y ) { _mm_storeu_ps(&x,y); return y; }
RETf sse_str( float &x, const float y ) { return sse_str(x,sse_set(y)); }
// arithmetic operators
RETi sse_add( const __m128i x, const __m128i y ) { return _mm_add_epi32(x,y); }
RETf sse_add( const __m128 x, const __m128 y ) { return _mm_add_ps(x,y); }
RETf sse_add( const __m128 x, const __m128 y, const __m128 z ) {
return sse_add(sse_add(x,y),z); }
RETf sse_add( const __m128 a, const __m128 b, const __m128 c, const __m128 &d ) {
return sse_add(sse_add(sse_add(a,b),c),d); }
RETf sse_sub( const __m128 x, const __m128 y ) { return _mm_sub_ps(x,y); }
RETf sse_mul( const __m128 x, const __m128 y ) { return _mm_mul_ps(x,y); }
RETf sse_mul( const __m128 x, const float y ) { return sse_mul(x,sse_set(y)); }
RETf sse_mul( const float x, const __m128 y ) { return sse_mul(sse_set(x),y); }
RETf sse_inc( __m128 &x, const __m128 y ) { return x = sse_add(x,y); }
RETf sse_inc( float &x, const __m128 y ) { __m128 t=sse_add(sse_ld(x),y); return sse_str(x,t); }
RETf sse_dec( __m128 &x, const __m128 y ) { return x = sse_sub(x,y); }
RETf sse_dec( float &x, const __m128 y ) { __m128 t=sse_sub(sse_ld(x),y); return sse_str(x,t); }
RETf sse_min( const __m128 x, const __m128 y ) { return _mm_min_ps(x,y); }
RETf sse_rcp( const __m128 x ) { return _mm_rcp_ps(x); }
RETf sse_rcpsqrt( const __m128 x ) { return _mm_rsqrt_ps(x); }
// logical operators
RETf sse_and( const __m128 x, const __m128 y ) { return _mm_and_ps(x,y); }
RETi sse_and( const __m128i x, const __m128i y ) { return _mm_and_si128(x,y); }
RETf sse_andnot( const __m128 x, const __m128 y ) { return _mm_andnot_ps(x,y); }
RETf sse_or( const __m128 x, const __m128 y ) { return _mm_or_ps(x,y); }
RETf sse_xor( const __m128 x, const __m128 y ) { return _mm_xor_ps(x,y); }
// comparison operators
RETf sse_cmpgt( const __m128 x, const __m128 y ) { return _mm_cmpgt_ps(x,y); }
RETi sse_cmpgt( const __m128i x, const __m128i y ) { return _mm_cmpgt_epi32(x,y); }
// conversion operators
RETf sse_cvt( const __m128i x ) { return _mm_cvtepi32_ps(x); }
RETi sse_cvt( const __m128 x ) { return _mm_cvttps_epi32(x); }
} // namespace pcl
#undef RETf
#undef RETi
#endif /* defined(__SSE2__) */
pcl
Definition convolution.h:46