180 lines
4.0 KiB
C
180 lines
4.0 KiB
C
/***************************************************************************
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Copyright (c) 2013-2016, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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/**************************************************************************************
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* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
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* BLASTEST : OK
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* CTEST : OK
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* TEST : OK
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* LAPACK-TEST : OK
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**************************************************************************************/
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#include "common.h"
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#if defined(__VEC__) || defined(__ALTIVEC__)
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#if defined(POWER8) || defined(POWER9)
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#include "zswap_microk_power8.c"
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#elif defined(POWER10)
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#include "cswap_microk_power10.c"
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#endif
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#endif
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#ifndef HAVE_KERNEL_16
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static void zswap_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y)
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{
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BLASLONG i=0;
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FLOAT f0, f1, f2, f3, f4, f5, f6, f7;
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FLOAT g0, g1, g2, g3, g4, g5, g6, g7;
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FLOAT *x1=x;
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FLOAT *y1=y;
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while ( i<n )
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{
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f0 = x1[0];
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f1 = x1[1];
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f2 = x1[2];
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f3 = x1[3];
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f4 = x1[4];
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f5 = x1[5];
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f6 = x1[6];
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f7 = x1[7];
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g0 = y1[0];
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g1 = y1[1];
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g2 = y1[2];
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g3 = y1[3];
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g4 = y1[4];
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g5 = y1[5];
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g6 = y1[6];
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g7 = y1[7];
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y1[0] = f0;
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y1[1] = f1;
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y1[2] = f2;
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y1[3] = f3;
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y1[4] = f4;
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y1[5] = f5;
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y1[6] = f6;
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y1[7] = f7;
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x1[0] = g0;
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x1[1] = g1;
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x1[2] = g2;
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x1[3] = g3;
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x1[4] = g4;
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x1[5] = g5;
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x1[6] = g6;
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x1[7] = g7;
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x1 += 8;
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y1 += 8;
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i+=4;
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}
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return;
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}
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#endif
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT dummy3, FLOAT dummy4, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
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{
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BLASLONG i=0;
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BLASLONG ix=0,iy=0;
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FLOAT temp[2];
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BLASLONG inc_x2, inc_y2;
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if ( n <= 0 ) return(0);
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if ( (inc_x == 1) && (inc_y == 1 ))
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{
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BLASLONG n1 = n & -16;
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if ( n1 > 0 )
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{
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zswap_kernel_16(n1, x, y);
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i=n1;
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ix = 2* n1;
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iy = 2* n1;
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}
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while(i < n)
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{
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temp[0] = x[ix] ;
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temp[1] = x[ix+1] ;
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x[ix] = y[iy] ;
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x[ix+1] = y[iy+1] ;
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y[iy] = temp[0] ;
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y[iy+1] = temp[1] ;
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ix += 2 ;
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iy += 2 ;
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i++ ;
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}
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}
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else
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{
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inc_x2 = 2 * inc_x;
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inc_y2 = 2 * inc_y;
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while(i < n)
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{
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temp[0] = x[ix] ;
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temp[1] = x[ix+1] ;
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x[ix] = y[iy] ;
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x[ix+1] = y[iy+1] ;
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y[iy] = temp[0] ;
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y[iy+1] = temp[1] ;
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ix += inc_x2 ;
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iy += inc_y2 ;
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i++ ;
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}
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}
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return(0);
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}
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