Merge pull request #811 from wernsaar/develop
added optimized zdot kernel for POWER8
This commit is contained in:
wernsaar
commit
f00d642592
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@ -123,7 +123,7 @@ ZTRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
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#SDOTKERNEL = ../arm/dot.c
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#SDOTKERNEL = ../arm/dot.c
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DDOTKERNEL = ddot.c
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DDOTKERNEL = ddot.c
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#CDOTKERNEL = ../arm/zdot.c
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#CDOTKERNEL = ../arm/zdot.c
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#ZDOTKERNEL = ../arm/zdot.c
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ZDOTKERNEL = zdot.c
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#
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#
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#SNRM2KERNEL = ../arm/nrm2.c
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#SNRM2KERNEL = ../arm/nrm2.c
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#DNRM2KERNEL = ../arm/nrm2.c
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#DNRM2KERNEL = ../arm/nrm2.c
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@ -0,0 +1,167 @@
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/***************************************************************************
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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
|
||||||
|
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
|
||||||
|
derived from this software without specific prior written permission.
|
||||||
|
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 OPENBLAS PROJECT 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.
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||||||
|
*****************************************************************************/
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/**************************************************************************************
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* 2016/03/21 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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#include <complex.h>
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#if defined(POWER8)
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#include "zdot_microk_power8.c"
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#endif
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#ifndef HAVE_KERNEL_8
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static void zdot_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d) __attribute__ ((noinline));
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static void zdot_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
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{
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BLASLONG register i = 0;
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FLOAT dot[4] = { 0.0, 0.0, 0.0, 0.0 };
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BLASLONG j=0;
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while( i < n )
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{
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dot[0] += x[j] * y[j] ;
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dot[1] += x[j+1] * y[j+1] ;
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dot[2] += x[j] * y[j+1] ;
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dot[3] += x[j+1] * y[j] ;
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dot[0] += x[j+2] * y[j+2] ;
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dot[1] += x[j+3] * y[j+3] ;
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dot[2] += x[j+2] * y[j+3] ;
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dot[3] += x[j+3] * y[j+2] ;
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dot[0] += x[j+4] * y[j+4] ;
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dot[1] += x[j+5] * y[j+5] ;
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dot[2] += x[j+4] * y[j+5] ;
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dot[3] += x[j+5] * y[j+4] ;
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dot[0] += x[j+6] * y[j+6] ;
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dot[1] += x[j+7] * y[j+7] ;
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dot[2] += x[j+6] * y[j+7] ;
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dot[3] += x[j+7] * y[j+6] ;
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j+=8;
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i+=4;
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}
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d[0] = dot[0];
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d[1] = dot[1];
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d[2] = dot[2];
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d[3] = dot[3];
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}
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#endif
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FLOAT _Complex CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
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{
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BLASLONG i;
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BLASLONG ix,iy;
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FLOAT _Complex result;
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FLOAT dot[4] = { 0.0, 0.0, 0.0 , 0.0 } ;
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if ( n <= 0 )
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{
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__real__ result = 0.0 ;
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__imag__ result = 0.0 ;
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return(result);
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}
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if ( (inc_x == 1) && (inc_y == 1) )
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{
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BLASLONG n1 = n & -8;
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if ( n1 )
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zdot_kernel_8(n1, x, y , dot );
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i = n1;
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BLASLONG j = i * 2;
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while( i < n )
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{
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dot[0] += x[j] * y[j] ;
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dot[1] += x[j+1] * y[j+1] ;
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dot[2] += x[j] * y[j+1] ;
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dot[3] += x[j+1] * y[j] ;
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j+=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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i=0;
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ix=0;
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iy=0;
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inc_x <<= 1;
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inc_y <<= 1;
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while(i < n)
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{
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dot[0] += x[ix] * y[iy] ;
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dot[1] += x[ix+1] * y[iy+1] ;
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dot[2] += x[ix] * y[iy+1] ;
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dot[3] += x[ix+1] * y[iy] ;
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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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}
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#if !defined(CONJ)
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__real__ result = dot[0] - dot[1];
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__imag__ result = dot[2] + dot[3];
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#else
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__real__ result = dot[0] + dot[1];
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__imag__ result = dot[2] - dot[3];
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#endif
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return(result);
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}
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@ -0,0 +1,219 @@
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/***************************************************************************
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||||||
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Copyright (c) 2013-2016, The OpenBLAS Project
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||||||
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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.
|
||||||
|
3. Neither the name of the OpenBLAS project nor the names of
|
||||||
|
its contributors may be used to endorse or promote products
|
||||||
|
derived from this software without specific prior written permission.
|
||||||
|
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 OPENBLAS PROJECT 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.
|
||||||
|
*****************************************************************************/
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||||||
|
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||||||
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/**************************************************************************************
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||||||
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* 2016/03/21 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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#define HAVE_KERNEL_8 1
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static void zdot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));
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static void zdot_kernel_8( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
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{
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BLASLONG i = n;
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BLASLONG o16 = 16;
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BLASLONG o32 = 32;
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BLASLONG o48 = 48;
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FLOAT *x1=x;
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FLOAT *y1=y;
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BLASLONG pre = 384;
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__asm__ __volatile__
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(
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"xxlxor 32,32,32 \n\t"
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"xxlxor 33,33,33 \n\t"
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"xxlxor 34,34,34 \n\t"
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"xxlxor 35,35,35 \n\t"
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"xxlxor 36,36,36 \n\t"
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"xxlxor 37,37,37 \n\t"
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"xxlxor 38,38,38 \n\t"
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"xxlxor 39,39,39 \n\t"
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"dcbt %2, %8 \n\t"
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"dcbt %3, %8 \n\t"
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"lxvd2x 40, 0, %2 \n\t" // x0_r, x0_i
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"lxvd2x 48, 0, %3 \n\t" // y0_r, y0_i
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"lxvd2x 41, %5, %2 \n\t" // x1_r, x1_i
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"lxvd2x 49, %5, %3 \n\t" // y1_r, y1_i
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"lxvd2x 42, %6, %2 \n\t" // x2_r, x2_i
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"lxvd2x 50, %6, %3 \n\t" // y2_r, y2_i
|
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|
"lxvd2x 43, %7, %2 \n\t" // x3_r, x3_i
|
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|
"lxvd2x 51, %7, %3 \n\t" // y3_r, y3_i
|
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|
|
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|
"xxswapd 52,48 \n\t" // y0_i, y0_r
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|
"xxswapd 53,49 \n\t" // y1_i, y1_r
|
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|
"xxswapd 54,50 \n\t" // y2_i, y2_r
|
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|
"xxswapd 55,51 \n\t" // y3_i, y3_r
|
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|
|
||||||
|
"addi %2, %2, 64 \n\t"
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|
"addi %3, %3, 64 \n\t"
|
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|
|
||||||
|
|
||||||
|
"lxvd2x 44, 0, %2 \n\t" // x0_r, x0_i
|
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|
"lxvd2x 56, 0, %3 \n\t" // y0_r, y0_i
|
||||||
|
"lxvd2x 45, %5, %2 \n\t" // x1_r, x1_i
|
||||||
|
"lxvd2x 57, %5, %3 \n\t" // y1_r, y1_i
|
||||||
|
"lxvd2x 46, %6, %2 \n\t" // x2_r, x2_i
|
||||||
|
"lxvd2x 58, %6, %3 \n\t" // y2_r, y2_i
|
||||||
|
"lxvd2x 47, %7, %2 \n\t" // x3_r, x3_i
|
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|
"lxvd2x 59, %7, %3 \n\t" // y3_r, y3_i
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||||||
|
|
||||||
|
"xxswapd 60,56 \n\t" // y0_i, y0_r
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||||||
|
"xxswapd 61,57 \n\t" // y1_i, y1_r
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|
"xxswapd 62,58 \n\t" // y2_i, y2_r
|
||||||
|
"xxswapd 63,59 \n\t" // y3_i, y3_r
|
||||||
|
|
||||||
|
"addi %2, %2, 64 \n\t"
|
||||||
|
"addi %3, %3, 64 \n\t"
|
||||||
|
|
||||||
|
"addic. %0 , %0 , -8 \n\t"
|
||||||
|
"ble 2f \n\t"
|
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|
|
||||||
|
".align 5 \n\t"
|
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|
"1: \n\t"
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||||||
|
|
||||||
|
"dcbt %2, %8 \n\t"
|
||||||
|
"dcbt %3, %8 \n\t"
|
||||||
|
|
||||||
|
"xvmaddadp 32, 40, 48 \n\t" // x0_r * y0_r , x0_i * y0_i
|
||||||
|
"lxvd2x 48, 0, %3 \n\t" // y0_r, y0_i
|
||||||
|
"xvmaddadp 34, 41, 49 \n\t" // x1_r * y1_r , x1_i * y1_i
|
||||||
|
"lxvd2x 49, %5, %3 \n\t" // y1_r, y1_i
|
||||||
|
|
||||||
|
"xvmaddadp 36, 42, 50 \n\t" // x2_r * y2_r , x2_i * y2_i
|
||||||
|
"lxvd2x 50, %6, %3 \n\t" // y2_r, y2_i
|
||||||
|
"xvmaddadp 38, 43, 51 \n\t" // x3_r * y3_r , x3_i * y3_i
|
||||||
|
"lxvd2x 51, %7, %3 \n\t" // y3_r, y3_i
|
||||||
|
|
||||||
|
"xvmaddadp 33, 40, 52 \n\t" // x0_r * y0_i , x0_i * y0_r
|
||||||
|
"lxvd2x 40, 0, %2 \n\t" // x0_r, x0_i
|
||||||
|
"xvmaddadp 35, 41, 53 \n\t" // x1_r * y1_i , x1_i * y1_r
|
||||||
|
"lxvd2x 41, %5, %2 \n\t" // x1_r, x1_i
|
||||||
|
|
||||||
|
"xvmaddadp 37, 42, 54 \n\t" // x2_r * y2_i , x2_i * y2_r
|
||||||
|
"lxvd2x 42, %6, %2 \n\t" // x2_r, x2_i
|
||||||
|
"xvmaddadp 39, 43, 55 \n\t" // x3_r * y3_i , x3_i * y3_r
|
||||||
|
"lxvd2x 43, %7, %2 \n\t" // x3_r, x3_i
|
||||||
|
|
||||||
|
"xxswapd 52,48 \n\t" // y0_i, y0_r
|
||||||
|
"xxswapd 53,49 \n\t" // y1_i, y1_r
|
||||||
|
|
||||||
|
"addi %2, %2, 64 \n\t"
|
||||||
|
"addi %3, %3, 64 \n\t"
|
||||||
|
|
||||||
|
"xxswapd 54,50 \n\t" // y2_i, y2_r
|
||||||
|
"xxswapd 55,51 \n\t" // y3_i, y3_r
|
||||||
|
|
||||||
|
"xvmaddadp 32, 44, 56 \n\t" // x0_r * y0_r , x0_i * y0_i
|
||||||
|
"lxvd2x 56, 0, %3 \n\t" // y0_r, y0_i
|
||||||
|
"xvmaddadp 34, 45, 57 \n\t" // x1_r * y1_r , x1_i * y1_i
|
||||||
|
"lxvd2x 57, %5, %3 \n\t" // y1_r, y1_i
|
||||||
|
"xvmaddadp 36, 46, 58 \n\t" // x2_r * y2_r , x2_i * y2_i
|
||||||
|
"lxvd2x 58, %6, %3 \n\t" // y2_r, y2_i
|
||||||
|
"xvmaddadp 38, 47, 59 \n\t" // x3_r * y3_r , x3_i * y3_i
|
||||||
|
"lxvd2x 59, %7, %3 \n\t" // y3_r, y3_i
|
||||||
|
|
||||||
|
"xvmaddadp 33, 44, 60 \n\t" // x0_r * y0_i , x0_i * y0_r
|
||||||
|
"lxvd2x 44, 0, %2 \n\t" // x0_r, x0_i
|
||||||
|
"xvmaddadp 35, 45, 61 \n\t" // x1_r * y1_i , x1_i * y1_r
|
||||||
|
"lxvd2x 45, %5, %2 \n\t" // x1_r, x1_i
|
||||||
|
"xvmaddadp 37, 46, 62 \n\t" // x2_r * y2_i , x2_i * y2_r
|
||||||
|
"lxvd2x 46, %6, %2 \n\t" // x2_r, x2_i
|
||||||
|
"xvmaddadp 39, 47, 63 \n\t" // x3_r * y3_i , x3_i * y3_r
|
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|
"lxvd2x 47, %7, %2 \n\t" // x3_r, x3_i
|
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"xxswapd 60,56 \n\t" // y0_i, y0_r
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"xxswapd 61,57 \n\t" // y1_i, y1_r
|
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"addi %2, %2, 64 \n\t"
|
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"addi %3, %3, 64 \n\t"
|
||||||
|
|
||||||
|
"xxswapd 62,58 \n\t" // y2_i, y2_r
|
||||||
|
"xxswapd 63,59 \n\t" // y3_i, y3_r
|
||||||
|
|
||||||
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"addic. %0 , %0 , -8 \n\t"
|
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"bgt 1b \n\t"
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|
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||||||
|
"2: \n\t"
|
||||||
|
|
||||||
|
"xvmaddadp 32, 40, 48 \n\t" // x0_r * y0_r , x0_i * y0_i
|
||||||
|
"xvmaddadp 34, 41, 49 \n\t" // x1_r * y1_r , x1_i * y1_i
|
||||||
|
"xvmaddadp 36, 42, 50 \n\t" // x2_r * y2_r , x2_i * y2_i
|
||||||
|
"xvmaddadp 38, 43, 51 \n\t" // x3_r * y3_r , x3_i * y3_i
|
||||||
|
|
||||||
|
"xvmaddadp 33, 40, 52 \n\t" // x0_r * y0_i , x0_i * y0_r
|
||||||
|
"xvmaddadp 35, 41, 53 \n\t" // x1_r * y1_i , x1_i * y1_r
|
||||||
|
"xvmaddadp 37, 42, 54 \n\t" // x2_r * y2_i , x2_i * y2_r
|
||||||
|
"xvmaddadp 39, 43, 55 \n\t" // x3_r * y3_i , x3_i * y3_r
|
||||||
|
|
||||||
|
"xvmaddadp 32, 44, 56 \n\t" // x0_r * y0_r , x0_i * y0_i
|
||||||
|
"xvmaddadp 34, 45, 57 \n\t" // x1_r * y1_r , x1_i * y1_i
|
||||||
|
"xvmaddadp 36, 46, 58 \n\t" // x2_r * y2_r , x2_i * y2_i
|
||||||
|
"xvmaddadp 38, 47, 59 \n\t" // x3_r * y3_r , x3_i * y3_i
|
||||||
|
|
||||||
|
"xvmaddadp 33, 44, 60 \n\t" // x0_r * y0_i , x0_i * y0_r
|
||||||
|
"xvmaddadp 35, 45, 61 \n\t" // x1_r * y1_i , x1_i * y1_r
|
||||||
|
"xvmaddadp 37, 46, 62 \n\t" // x2_r * y2_i , x2_i * y2_r
|
||||||
|
"xvmaddadp 39, 47, 63 \n\t" // x3_r * y3_i , x3_i * y3_r
|
||||||
|
|
||||||
|
|
||||||
|
"xvadddp 32, 32, 34 \n\t"
|
||||||
|
"xvadddp 36, 36, 38 \n\t"
|
||||||
|
|
||||||
|
"xvadddp 33, 33, 35 \n\t"
|
||||||
|
"xvadddp 37, 37, 39 \n\t"
|
||||||
|
|
||||||
|
"xvadddp 32, 32, 36 \n\t"
|
||||||
|
"xvadddp 33, 33, 37 \n\t"
|
||||||
|
|
||||||
|
"stxvd2x 32, 0, %4 \n\t"
|
||||||
|
"stxvd2x 33, %5, %4 \n\t"
|
||||||
|
|
||||||
|
:
|
||||||
|
:
|
||||||
|
"r" (i), // 0
|
||||||
|
"r" (n), // 1
|
||||||
|
"r" (x1), // 2
|
||||||
|
"r" (y1), // 3
|
||||||
|
"r" (dot), // 4
|
||||||
|
"r" (o16), // 5
|
||||||
|
"r" (o32), // 6
|
||||||
|
"r" (o48), // 7
|
||||||
|
"r" (pre) // 8
|
||||||
|
: "cr0", "%0", "%2" , "%3", "memory"
|
||||||
|
);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue