176 lines
3.8 KiB
C
176 lines
3.8 KiB
C
/***************************************************************************
|
|
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"
|
|
|
|
#pragma GCC optimize "O1"
|
|
|
|
#if defined(__VEC__) || defined(__ALTIVEC__)
|
|
#if defined(POWER8) || defined(POWER9)
|
|
#include "drot_microk_power8.c"
|
|
#elif defined(POWER10)
|
|
#include "drot_microk_power10.c"
|
|
#endif
|
|
#endif
|
|
|
|
|
|
#ifndef HAVE_KERNEL_16
|
|
|
|
static void drot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT c, FLOAT s)
|
|
{
|
|
|
|
BLASLONG i=0;
|
|
FLOAT f0, f1, f2, f3;
|
|
FLOAT x00, x01, x02, x03;
|
|
FLOAT g0, g1, g2, g3;
|
|
FLOAT y00, y01, y02, y03;
|
|
FLOAT *x1=x;
|
|
FLOAT *y1=y;
|
|
|
|
while ( i<n )
|
|
{
|
|
|
|
x00 = x1[0];
|
|
y00 = y1[0];
|
|
x01 = x1[1];
|
|
y01 = y1[1];
|
|
x02 = x1[2];
|
|
y02 = y1[2];
|
|
x03 = x1[3];
|
|
y03 = y1[3];
|
|
|
|
f0 = c*x00 + s*y00;
|
|
g0 = c*y00 - s*x00;
|
|
f1 = c*x01 + s*y01;
|
|
g1 = c*y01 - s*x01;
|
|
f2 = c*x02 + s*y02;
|
|
g2 = c*y02 - s*x02;
|
|
f3 = c*x03 + s*y03;
|
|
g3 = c*y03 - s*x03;
|
|
|
|
x1[0] = f0;
|
|
y1[0] = g0;
|
|
x1[1] = f1;
|
|
y1[1] = g1;
|
|
x1[2] = f2;
|
|
y1[2] = g2;
|
|
x1[3] = f3;
|
|
y1[3] = g3;
|
|
|
|
x1 += 4;
|
|
y1 += 4;
|
|
|
|
i+=4;
|
|
}
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
|
|
{
|
|
BLASLONG i=0;
|
|
BLASLONG ix=0,iy=0;
|
|
FLOAT temp;
|
|
|
|
if ( n <= 0 ) return(0);
|
|
|
|
if ( (inc_x == 1) && (inc_y == 1) )
|
|
{
|
|
|
|
#if defined(POWER10)
|
|
if ( n >= 16 )
|
|
{
|
|
BLASLONG align = ((32 - ((uintptr_t)y & (uintptr_t)0x1F)) >> 3) & 0x3;
|
|
for (i = 0; i < align; i++) {
|
|
temp = c*x[i] + s*y[i] ;
|
|
y[i] = c*y[i] - s*x[i] ;
|
|
x[i] = temp ;
|
|
}
|
|
}
|
|
BLASLONG n1 = (n-i) & -16;
|
|
if ( n1 > 0 )
|
|
{
|
|
drot_kernel_16(n1,&x[i], &y[i], c, s);
|
|
i+=n1;
|
|
}
|
|
#else
|
|
BLASLONG n1 = n & -16;
|
|
if ( n1 > 0 )
|
|
{
|
|
drot_kernel_16(n1, x, y, c, s);
|
|
i=n1;
|
|
}
|
|
#endif
|
|
|
|
while(i < n)
|
|
{
|
|
temp = c*x[i] + s*y[i] ;
|
|
y[i] = c*y[i] - s*x[i] ;
|
|
x[i] = temp ;
|
|
|
|
i++ ;
|
|
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
|
|
while(i < n)
|
|
{
|
|
temp = c*x[ix] + s*y[iy] ;
|
|
y[iy] = c*y[iy] - s*x[ix] ;
|
|
x[ix] = temp ;
|
|
|
|
ix += inc_x ;
|
|
iy += inc_y ;
|
|
i++ ;
|
|
|
|
}
|
|
|
|
}
|
|
return(0);
|
|
|
|
}
|
|
|
|
|