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added otimized cswap and zswap kernels for POWER8

tags/v0.2.18^2
Werner Saar 9 years ago
parent
35c98a3556
commit
659ed16591
5 changed files with 712 additions and 2 deletions
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  1. +2
    -2
      kernel/power/KERNEL.POWER8
  2. +175
    -0
      kernel/power/cswap.c
  3. +180
    -0
      kernel/power/cswap_microk_power8.c
  4. +175
    -0
      kernel/power/zswap.c
  5. +180
    -0
      kernel/power/zswap_microk_power8.c

+ 2
- 2
kernel/power/KERNEL.POWER8 View File

@@ -142,8 +142,8 @@ ZSCALKERNEL = zscal.c
#
SSWAPKERNEL = sswap.c
DSWAPKERNEL = dswap.c
#CSWAPKERNEL = ../arm/zswap.c
#ZSWAPKERNEL = ../arm/zswap.c
CSWAPKERNEL = cswap.c
ZSWAPKERNEL = zswap.c
#

#SGEMVNKERNEL = ../arm/gemv_n.c


+ 175
- 0
kernel/power/cswap.c View File

@@ -0,0 +1,175 @@
/***************************************************************************
Copyright (c) 2013-2016, The OpenBLAS Project
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#include "common.h"


#if defined(POWER8)
#include "cswap_microk_power8.c"
#endif


#ifndef HAVE_KERNEL_32

static void cswap_kernel_32(BLASLONG n, FLOAT *x, FLOAT *y)
{

BLASLONG i=0;
FLOAT f0, f1, f2, f3, f4, f5, f6, f7;
FLOAT g0, g1, g2, g3, g4, g5, g6, g7;
FLOAT *x1=x;
FLOAT *y1=y;

while ( i<n )
{

f0 = x1[0];
f1 = x1[1];
f2 = x1[2];
f3 = x1[3];
f4 = x1[4];
f5 = x1[5];
f6 = x1[6];
f7 = x1[7];

g0 = y1[0];
g1 = y1[1];
g2 = y1[2];
g3 = y1[3];
g4 = y1[4];
g5 = y1[5];
g6 = y1[6];
g7 = y1[7];

y1[0] = f0;
y1[1] = f1;
y1[2] = f2;
y1[3] = f3;
y1[4] = f4;
y1[5] = f5;
y1[6] = f6;
y1[7] = f7;

x1[0] = g0;
x1[1] = g1;
x1[2] = g2;
x1[3] = g3;
x1[4] = g4;
x1[5] = g5;
x1[6] = g6;
x1[7] = g7;

x1 += 8;
y1 += 8;

i+=4;
}
return;

}


#endif


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)
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;
FLOAT temp[2];
BLASLONG inc_x2, inc_y2;

if ( n <= 0 ) return(0);

if ( (inc_x == 1) && (inc_y == 1 ))
{

BLASLONG n1 = n & -32;
if ( n1 > 0 )
{
cswap_kernel_32(n1, x, y);
i=n1;
ix = 2* n1;
iy = 2* n1;
}

while(i < n)
{

temp[0] = x[ix] ;
temp[1] = x[ix+1] ;
x[ix] = y[iy] ;
x[ix+1] = y[iy+1] ;
y[iy] = temp[0] ;
y[iy+1] = temp[1] ;

ix += 2 ;
iy += 2 ;
i++ ;


}


}
else
{

inc_x2 = 2 * inc_x;
inc_y2 = 2 * inc_y;

while(i < n)
{

temp[0] = x[ix] ;
temp[1] = x[ix+1] ;
x[ix] = y[iy] ;
x[ix+1] = y[iy+1] ;
y[iy] = temp[0] ;
y[iy+1] = temp[1] ;

ix += inc_x2 ;
iy += inc_y2 ;
i++ ;

}

}
return(0);

}



+ 180
- 0
kernel/power/cswap_microk_power8.c View File

@@ -0,0 +1,180 @@
/***************************************************************************
Copyright (c) 2013-2016, The OpenBLAS Project
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#define HAVE_KERNEL_32 1

static void cswap_kernel_32( BLASLONG n, FLOAT *x, FLOAT *y) __attribute__ ((noinline));

static void cswap_kernel_32( BLASLONG n, FLOAT *x, FLOAT *y)
{


BLASLONG i = n;
BLASLONG o16 = 16;
BLASLONG o32 = 32;
BLASLONG o48 = 48;
BLASLONG o64 = 64;
BLASLONG o80 = 80;
BLASLONG o96 = 96;
BLASLONG o112 = 112;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT *x2=x+1;
FLOAT *y2=y+1;
BLASLONG pre = 384;
BLASLONG alpha=0;

__asm__ __volatile__
(

"addi %3, %3, -4 \n\t"
"addi %4, %4, -4 \n\t"

".align 5 \n\t"
"1: \n\t"

"lxvw4x 32, 0, %2 \n\t"
"lxvw4x 33, %5, %2 \n\t"
"lxvw4x 34, %6, %2 \n\t"
"lxvw4x 35, %7, %2 \n\t"
"lxvw4x 36, %8, %2 \n\t"
"lxvw4x 37, %9, %2 \n\t"
"lxvw4x 38, %10, %2 \n\t"
"lxvw4x 39, %11, %2 \n\t"

"addi %2, %2, 128 \n\t"

"lxvw4x 40, 0, %2 \n\t"
"lxvw4x 41, %5, %2 \n\t"
"lxvw4x 42, %6, %2 \n\t"
"lxvw4x 43, %7, %2 \n\t"
"lxvw4x 44, %8, %2 \n\t"
"lxvw4x 45, %9, %2 \n\t"
"lxvw4x 46, %10, %2 \n\t"
"lxvw4x 47, %11, %2 \n\t"

"addi %2, %2, 128 \n\t"

"lxvw4x 48, 0, %1 \n\t"
"lxvw4x 49, %5, %1 \n\t"
"lxvw4x 50, %6, %1 \n\t"
"lxvw4x 51, %7, %1 \n\t"
"lxvw4x 52, %8, %1 \n\t"
"lxvw4x 53, %9, %1 \n\t"
"lxvw4x 54, %10, %1 \n\t"
"lxvw4x 55, %11, %1 \n\t"

"addi %1, %1, 128 \n\t"

"lxvw4x 56, 0, %1 \n\t"
"lxvw4x 57, %5, %1 \n\t"
"lxvw4x 58, %6, %1 \n\t"
"lxvw4x 59, %7, %1 \n\t"
"lxvw4x 60, %8, %1 \n\t"
"lxvw4x 61, %9, %1 \n\t"
"lxvw4x 62, %10, %1 \n\t"
"lxvw4x 63, %11, %1 \n\t"

"addi %1, %1, 128 \n\t"

"stxvw4x 32, 0, %3 \n\t"
"stxvw4x 33, %5, %3 \n\t"
"stxvw4x 34, %6, %3 \n\t"
"stxvw4x 35, %7, %3 \n\t"
"stxvw4x 36, %8, %3 \n\t"
"stxvw4x 37, %9, %3 \n\t"
"stxvw4x 38, %10, %3 \n\t"
"stxvw4x 39, %11, %3 \n\t"

"addi %3, %3, 128 \n\t"

"stxvw4x 40, 0, %3 \n\t"
"stxvw4x 41, %5, %3 \n\t"
"stxvw4x 42, %6, %3 \n\t"
"stxvw4x 43, %7, %3 \n\t"
"stxvw4x 44, %8, %3 \n\t"
"stxvw4x 45, %9, %3 \n\t"
"stxvw4x 46, %10, %3 \n\t"
"stxvw4x 47, %11, %3 \n\t"

"addi %3, %3, 128 \n\t"

"stxvw4x 48, 0, %4 \n\t"
"stxvw4x 49, %5, %4 \n\t"
"stxvw4x 50, %6, %4 \n\t"
"stxvw4x 51, %7, %4 \n\t"
"stxvw4x 52, %8, %4 \n\t"
"stxvw4x 53, %9, %4 \n\t"
"stxvw4x 54, %10, %4 \n\t"
"stxvw4x 55, %11, %4 \n\t"

"addi %4, %4, 128 \n\t"

"stxvw4x 56, 0, %4 \n\t"
"stxvw4x 57, %5, %4 \n\t"
"stxvw4x 58, %6, %4 \n\t"
"stxvw4x 59, %7, %4 \n\t"
"stxvw4x 60, %8, %4 \n\t"
"stxvw4x 61, %9, %4 \n\t"
"stxvw4x 62, %10, %4 \n\t"
"stxvw4x 63, %11, %4 \n\t"

"addi %4, %4, 128 \n\t"

"addic. %0 , %0 , -32 \n\t"
"bgt 1b \n\t"

"2: \n\t"

:
:
"r" (i), // 0
"r" (y1), // 1
"r" (x1), // 2
"r" (y2), // 3
"r" (x2), // 4
"r" (o16), // 5
"r" (o32), // 6
"r" (o48), // 7
"r" (o64), // 8
"r" (o80), // 9
"r" (o96), // 10
"r" (o112) // 11
: "cr0", "%0", "%2" , "%1", "%3", "%4", "memory"
);

}



+ 175
- 0
kernel/power/zswap.c View File

@@ -0,0 +1,175 @@
/***************************************************************************
Copyright (c) 2013-2016, The OpenBLAS Project
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#include "common.h"


#if defined(POWER8)
#include "zswap_microk_power8.c"
#endif


#ifndef HAVE_KERNEL_16

static void zswap_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y)
{

BLASLONG i=0;
FLOAT f0, f1, f2, f3, f4, f5, f6, f7;
FLOAT g0, g1, g2, g3, g4, g5, g6, g7;
FLOAT *x1=x;
FLOAT *y1=y;

while ( i<n )
{

f0 = x1[0];
f1 = x1[1];
f2 = x1[2];
f3 = x1[3];
f4 = x1[4];
f5 = x1[5];
f6 = x1[6];
f7 = x1[7];

g0 = y1[0];
g1 = y1[1];
g2 = y1[2];
g3 = y1[3];
g4 = y1[4];
g5 = y1[5];
g6 = y1[6];
g7 = y1[7];

y1[0] = f0;
y1[1] = f1;
y1[2] = f2;
y1[3] = f3;
y1[4] = f4;
y1[5] = f5;
y1[6] = f6;
y1[7] = f7;

x1[0] = g0;
x1[1] = g1;
x1[2] = g2;
x1[3] = g3;
x1[4] = g4;
x1[5] = g5;
x1[6] = g6;
x1[7] = g7;

x1 += 8;
y1 += 8;

i+=4;
}
return;

}


#endif


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)
{
BLASLONG i=0;
BLASLONG ix=0,iy=0;
FLOAT temp[2];
BLASLONG inc_x2, inc_y2;

if ( n <= 0 ) return(0);

if ( (inc_x == 1) && (inc_y == 1 ))
{

BLASLONG n1 = n & -16;
if ( n1 > 0 )
{
zswap_kernel_16(n1, x, y);
i=n1;
ix = 2* n1;
iy = 2* n1;
}

while(i < n)
{

temp[0] = x[ix] ;
temp[1] = x[ix+1] ;
x[ix] = y[iy] ;
x[ix+1] = y[iy+1] ;
y[iy] = temp[0] ;
y[iy+1] = temp[1] ;

ix += 2 ;
iy += 2 ;
i++ ;


}


}
else
{

inc_x2 = 2 * inc_x;
inc_y2 = 2 * inc_y;

while(i < n)
{

temp[0] = x[ix] ;
temp[1] = x[ix+1] ;
x[ix] = y[iy] ;
x[ix+1] = y[iy+1] ;
y[iy] = temp[0] ;
y[iy+1] = temp[1] ;

ix += inc_x2 ;
iy += inc_y2 ;
i++ ;

}

}
return(0);

}



+ 180
- 0
kernel/power/zswap_microk_power8.c View File

@@ -0,0 +1,180 @@
/***************************************************************************
Copyright (c) 2013-2016, The OpenBLAS Project
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.
*****************************************************************************/

/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/

#define HAVE_KERNEL_16 1

static void zswap_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y) __attribute__ ((noinline));

static void zswap_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y)
{


BLASLONG i = n;
BLASLONG o16 = 16;
BLASLONG o32 = 32;
BLASLONG o48 = 48;
BLASLONG o64 = 64;
BLASLONG o80 = 80;
BLASLONG o96 = 96;
BLASLONG o112 = 112;
FLOAT *x1=x;
FLOAT *y1=y;
FLOAT *x2=x+1;
FLOAT *y2=y+1;
BLASLONG pre = 384;
BLASLONG alpha=0;

__asm__ __volatile__
(

"addi %3, %3, -8 \n\t"
"addi %4, %4, -8 \n\t"

".align 5 \n\t"
"1: \n\t"

"lxvd2x 32, 0, %2 \n\t"
"lxvd2x 33, %5, %2 \n\t"
"lxvd2x 34, %6, %2 \n\t"
"lxvd2x 35, %7, %2 \n\t"
"lxvd2x 36, %8, %2 \n\t"
"lxvd2x 37, %9, %2 \n\t"
"lxvd2x 38, %10, %2 \n\t"
"lxvd2x 39, %11, %2 \n\t"

"addi %2, %2, 128 \n\t"

"lxvd2x 40, 0, %2 \n\t"
"lxvd2x 41, %5, %2 \n\t"
"lxvd2x 42, %6, %2 \n\t"
"lxvd2x 43, %7, %2 \n\t"
"lxvd2x 44, %8, %2 \n\t"
"lxvd2x 45, %9, %2 \n\t"
"lxvd2x 46, %10, %2 \n\t"
"lxvd2x 47, %11, %2 \n\t"

"addi %2, %2, 128 \n\t"

"lxvd2x 48, 0, %1 \n\t"
"lxvd2x 49, %5, %1 \n\t"
"lxvd2x 50, %6, %1 \n\t"
"lxvd2x 51, %7, %1 \n\t"
"lxvd2x 52, %8, %1 \n\t"
"lxvd2x 53, %9, %1 \n\t"
"lxvd2x 54, %10, %1 \n\t"
"lxvd2x 55, %11, %1 \n\t"

"addi %1, %1, 128 \n\t"

"lxvd2x 56, 0, %1 \n\t"
"lxvd2x 57, %5, %1 \n\t"
"lxvd2x 58, %6, %1 \n\t"
"lxvd2x 59, %7, %1 \n\t"
"lxvd2x 60, %8, %1 \n\t"
"lxvd2x 61, %9, %1 \n\t"
"lxvd2x 62, %10, %1 \n\t"
"lxvd2x 63, %11, %1 \n\t"

"addi %1, %1, 128 \n\t"

"stxvd2x 32, 0, %3 \n\t"
"stxvd2x 33, %5, %3 \n\t"
"stxvd2x 34, %6, %3 \n\t"
"stxvd2x 35, %7, %3 \n\t"
"stxvd2x 36, %8, %3 \n\t"
"stxvd2x 37, %9, %3 \n\t"
"stxvd2x 38, %10, %3 \n\t"
"stxvd2x 39, %11, %3 \n\t"

"addi %3, %3, 128 \n\t"

"stxvd2x 40, 0, %3 \n\t"
"stxvd2x 41, %5, %3 \n\t"
"stxvd2x 42, %6, %3 \n\t"
"stxvd2x 43, %7, %3 \n\t"
"stxvd2x 44, %8, %3 \n\t"
"stxvd2x 45, %9, %3 \n\t"
"stxvd2x 46, %10, %3 \n\t"
"stxvd2x 47, %11, %3 \n\t"

"addi %3, %3, 128 \n\t"

"stxvd2x 48, 0, %4 \n\t"
"stxvd2x 49, %5, %4 \n\t"
"stxvd2x 50, %6, %4 \n\t"
"stxvd2x 51, %7, %4 \n\t"
"stxvd2x 52, %8, %4 \n\t"
"stxvd2x 53, %9, %4 \n\t"
"stxvd2x 54, %10, %4 \n\t"
"stxvd2x 55, %11, %4 \n\t"

"addi %4, %4, 128 \n\t"

"stxvd2x 56, 0, %4 \n\t"
"stxvd2x 57, %5, %4 \n\t"
"stxvd2x 58, %6, %4 \n\t"
"stxvd2x 59, %7, %4 \n\t"
"stxvd2x 60, %8, %4 \n\t"
"stxvd2x 61, %9, %4 \n\t"
"stxvd2x 62, %10, %4 \n\t"
"stxvd2x 63, %11, %4 \n\t"

"addi %4, %4, 128 \n\t"

"addic. %0 , %0 , -16 \n\t"
"bgt 1b \n\t"

"2: \n\t"

:
:
"r" (i), // 0
"r" (y1), // 1
"r" (x1), // 2
"r" (y2), // 3
"r" (x2), // 4
"r" (o16), // 5
"r" (o32), // 6
"r" (o48), // 7
"r" (o64), // 8
"r" (o80), // 9
"r" (o96), // 10
"r" (o112) // 11
: "cr0", "%0", "%2" , "%1", "%3", "%4", "memory"
);

}



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