127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/***************************************************************************
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Copyright (c) 2020, 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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#include "common.h"
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#if defined(__VEC__) || defined(__ALTIVEC__)
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#include "caxpy_microk_power10.c"
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#endif
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#ifndef HAVE_KERNEL_8
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static void caxpy_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT da_r,FLOAT da_i)
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{
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BLASLONG register i = 0;
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BLASLONG register ix = 0;
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while(i < n)
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{
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#if !defined(CONJ)
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y[ix] += ( da_r * x[ix] - da_i * x[ix+1] ) ;
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y[ix+1] += ( da_r * x[ix+1] + da_i * x[ix] ) ;
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y[ix+2] += ( da_r * x[ix+2] - da_i * x[ix+3] ) ;
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y[ix+3] += ( da_r * x[ix+3] + da_i * x[ix+2] ) ;
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#else
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y[ix] += ( da_r * x[ix] + da_i * x[ix+1] ) ;
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y[ix+1] -= ( da_r * x[ix+1] - da_i * x[ix] ) ;
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y[ix+2] += ( da_r * x[ix+2] + da_i * x[ix+3] ) ;
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y[ix+3] -= ( da_r * x[ix+3] - da_i * x[ix+2] ) ;
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#endif
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ix+=4 ;
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i+=2 ;
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}
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}
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#endif
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i, 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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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 )
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{
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caxpy_kernel_8 (n1, x, y, da_r, da_i);
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ix = 2 * n1;
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}
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i = n1;
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while(i < n)
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{
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#if !defined(CONJ)
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y[ix] += ( da_r * x[ix] - da_i * x[ix+1] ) ;
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y[ix+1] += ( da_r * x[ix+1] + da_i * x[ix] ) ;
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#else
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y[ix] += ( da_r * x[ix] + da_i * x[ix+1] ) ;
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y[ix+1] -= ( da_r * x[ix+1] - da_i * x[ix] ) ;
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#endif
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i++ ;
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ix += 2;
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}
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return(0);
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}
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inc_x *=2;
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inc_y *=2;
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while(i < n)
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{
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#if !defined(CONJ)
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y[iy] += ( da_r * x[ix] - da_i * x[ix+1] ) ;
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y[iy+1] += ( da_r * x[ix+1] + da_i * x[ix] ) ;
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#else
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y[iy] += ( da_r * x[ix] + da_i * x[ix+1] ) ;
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y[iy+1] -= ( da_r * x[ix+1] - da_i * x[ix] ) ;
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#endif
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ix += inc_x ;
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iy += inc_y ;
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i++ ;
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}
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return(0);
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}
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