234 lines
9.6 KiB
C
234 lines
9.6 KiB
C
/***************************************************************************
|
|
Copyright (c) 2013-2018, 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.
|
|
*****************************************************************************/
|
|
|
|
#include "common.h"
|
|
|
|
#if defined(POWER8) || defined(POWER9) || defined(POWER10)
|
|
#if defined(__VEC__) || defined(__ALTIVEC__)
|
|
|
|
static void crot_kernel_8 (long n, float *x, float *y, float c, float s)
|
|
{
|
|
__vector float t0;
|
|
__vector float t1;
|
|
__vector float t2;
|
|
__vector float t3;
|
|
__vector float t4;
|
|
__vector float t5;
|
|
__vector float t6;
|
|
__vector float t7;
|
|
__asm__
|
|
(
|
|
"xscvdpspn 36, %x[cos] \n\t" // load c to all words
|
|
"xxspltw 36, 36, 0 \n\t"
|
|
"xscvdpspn 37, %x[sin] \n\t" // load s to all words
|
|
"xxspltw 37, 37, 0 \n\t"
|
|
"lxvd2x 32, 0, %[x_ptr] \n\t" // load x
|
|
"lxvd2x 33, %[i16], %[x_ptr] \n\t"
|
|
"lxvd2x 34, %[i32], %[x_ptr] \n\t"
|
|
"lxvd2x 35, %[i48], %[x_ptr] \n\t"
|
|
"lxvd2x 48, 0, %[y_ptr] \n\t" // load y
|
|
"lxvd2x 49, %[i16], %[y_ptr] \n\t"
|
|
"lxvd2x 50, %[i32], %[y_ptr] \n\t"
|
|
"lxvd2x 51, %[i48], %[y_ptr] \n\t"
|
|
"addi %[x_ptr], %[x_ptr], 64 \n\t"
|
|
"addi %[y_ptr], %[y_ptr], 64 \n\t"
|
|
"addic. %[temp_n], %[temp_n], -8 \n\t"
|
|
"ble two%= \n\t"
|
|
".align 5 \n\t"
|
|
"one%=: \n\t"
|
|
"xvmulsp 40, 32, 36 \n\t" // c * x
|
|
"xvmulsp 41, 33, 36 \n\t"
|
|
"xvmulsp 42, 34, 36 \n\t"
|
|
"xvmulsp 43, 35, 36 \n\t"
|
|
"xvmulsp %x[x0], 48, 36 \n\t" // c * y
|
|
"xvmulsp %x[x2], 49, 36 \n\t"
|
|
"xvmulsp %x[x1], 50, 36 \n\t"
|
|
"xvmulsp %x[x3], 51, 36 \n\t"
|
|
"xvmulsp 44, 32, 37 \n\t" // s * x
|
|
"xvmulsp 45, 33, 37 \n\t"
|
|
"lxvd2x 32, 0, %[x_ptr] \n\t" // load x
|
|
"lxvd2x 33, %[i16], %[x_ptr] \n\t"
|
|
"xvmulsp 46, 34, 37 \n\t"
|
|
"xvmulsp 47, 35, 37 \n\t"
|
|
"lxvd2x 34, %[i32], %[x_ptr] \n\t"
|
|
"lxvd2x 35, %[i48], %[x_ptr] \n\t"
|
|
"xvmulsp %x[x4], 48, 37 \n\t" // s * y
|
|
"xvmulsp %x[x5], 49, 37 \n\t"
|
|
"lxvd2x 48, 0, %[y_ptr] \n\t" // load y
|
|
"lxvd2x 49, %[i16], %[y_ptr] \n\t"
|
|
"xvmulsp %x[x6], 50, 37 \n\t"
|
|
"xvmulsp %x[x7], 51, 37 \n\t"
|
|
"lxvd2x 50, %[i32], %[y_ptr] \n\t"
|
|
"lxvd2x 51, %[i48], %[y_ptr] \n\t"
|
|
"xvaddsp 40, 40, %x[x4] \n\t" // c * x + s * y
|
|
"xvaddsp 41, 41, %x[x5] \n\t" // c * x + s * y
|
|
"addi %[x_ptr], %[x_ptr], -64 \n\t"
|
|
"addi %[y_ptr], %[y_ptr], -64 \n\t"
|
|
"xvaddsp 42, 42, %x[x6] \n\t" // c * x + s * y
|
|
"xvaddsp 43, 43, %x[x7] \n\t" // c * x + s * y
|
|
"xvsubsp %x[x0], %x[x0], 44 \n\t" // c * y - s * x
|
|
"xvsubsp %x[x2], %x[x2], 45 \n\t" // c * y - s * x
|
|
"xvsubsp %x[x1], %x[x1], 46 \n\t" // c * y - s * x
|
|
"xvsubsp %x[x3], %x[x3], 47 \n\t" // c * y - s * x
|
|
"stxvd2x 40, 0, %[x_ptr] \n\t" // store x
|
|
"stxvd2x 41, %[i16], %[x_ptr] \n\t"
|
|
"stxvd2x 42, %[i32], %[x_ptr] \n\t"
|
|
"stxvd2x 43, %[i48], %[x_ptr] \n\t"
|
|
"stxvd2x %x[x0], 0, %[y_ptr] \n\t" // store y
|
|
"stxvd2x %x[x2], %[i16], %[y_ptr] \n\t"
|
|
"stxvd2x %x[x1], %[i32], %[y_ptr] \n\t"
|
|
"stxvd2x %x[x3], %[i48], %[y_ptr] \n\t"
|
|
"addi %[x_ptr], %[x_ptr], 128 \n\t"
|
|
"addi %[y_ptr], %[y_ptr], 128 \n\t"
|
|
"addic. %[temp_n], %[temp_n], -8 \n\t"
|
|
"bgt one%= \n\t"
|
|
"two%=: \n\t"
|
|
"xvmulsp 40, 32, 36 \n\t" // c * x
|
|
"xvmulsp 41, 33, 36 \n\t"
|
|
"xvmulsp 42, 34, 36 \n\t"
|
|
"xvmulsp 43, 35, 36 \n\t"
|
|
"xvmulsp %x[x0], 48, 36 \n\t" // c * y
|
|
"xvmulsp %x[x2], 49, 36 \n\t"
|
|
"xvmulsp %x[x1], 50, 36 \n\t"
|
|
"xvmulsp %x[x3], 51, 36 \n\t"
|
|
"xvmulsp 44, 32, 37 \n\t" // s * x
|
|
"xvmulsp 45, 33, 37 \n\t"
|
|
"xvmulsp 46, 34, 37 \n\t"
|
|
"xvmulsp 47, 35, 37 \n\t"
|
|
"xvmulsp %x[x4], 48, 37 \n\t" // s * y
|
|
"xvmulsp %x[x5], 49, 37 \n\t"
|
|
"xvmulsp %x[x6], 50, 37 \n\t"
|
|
"xvmulsp %x[x7], 51, 37 \n\t"
|
|
"addi %[x_ptr], %[x_ptr], -64 \n\t"
|
|
"addi %[y_ptr], %[y_ptr], -64 \n\t"
|
|
"xvaddsp 40, 40, %x[x4] \n\t" // c * x + s * y
|
|
"xvaddsp 41, 41, %x[x5] \n\t" // c * x + s * y
|
|
"xvaddsp 42, 42, %x[x6] \n\t" // c * x + s * y
|
|
"xvaddsp 43, 43, %x[x7] \n\t" // c * x + s * y
|
|
"xvsubsp %x[x0], %x[x0], 44 \n\t" // c * y - s * x
|
|
"xvsubsp %x[x2], %x[x2], 45 \n\t" // c * y - s * x
|
|
"xvsubsp %x[x1], %x[x1], 46 \n\t" // c * y - s * x
|
|
"xvsubsp %x[x3], %x[x3], 47 \n\t" // c * y - s * x
|
|
"stxvd2x 40, 0, %[x_ptr] \n\t" // store x
|
|
"stxvd2x 41, %[i16], %[x_ptr] \n\t"
|
|
"stxvd2x 42, %[i32], %[x_ptr] \n\t"
|
|
"stxvd2x 43, %[i48], %[x_ptr] \n\t"
|
|
"stxvd2x %x[x0], 0, %[y_ptr] \n\t" // store y
|
|
"stxvd2x %x[x2], %[i16], %[y_ptr] \n\t"
|
|
"stxvd2x %x[x1], %[i32], %[y_ptr] \n\t"
|
|
"stxvd2x %x[x3], %[i48], %[y_ptr] "
|
|
:
|
|
[mem_x] "+m" (*(float (*)[2*n])x),
|
|
[mem_y] "+m" (*(float (*)[2*n])y),
|
|
[temp_n] "+r" (n),
|
|
[x_ptr] "+&b" (x),
|
|
[y_ptr] "+&b" (y),
|
|
[x0] "=wa" (t0),
|
|
[x1] "=wa" (t2),
|
|
[x2] "=wa" (t1),
|
|
[x3] "=wa" (t3),
|
|
[x4] "=wa" (t4),
|
|
[x5] "=wa" (t5),
|
|
[x6] "=wa" (t6),
|
|
[x7] "=wa" (t7)
|
|
:
|
|
[cos] "f" (c),
|
|
[sin] "f" (s),
|
|
[i16] "b" (16),
|
|
[i32] "b" (32),
|
|
[i48] "b" (48)
|
|
:
|
|
"cr0",
|
|
"vs32","vs33","vs34","vs35","vs36","vs37",
|
|
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
|
|
"vs48","vs49","vs50","vs51"
|
|
);
|
|
}
|
|
|
|
#endif
|
|
#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[2];
|
|
BLASLONG inc_x2;
|
|
BLASLONG inc_y2;
|
|
|
|
if ( n <= 0 ) return(0);
|
|
|
|
if ( (inc_x == 1) && (inc_y == 1) )
|
|
{
|
|
#if defined(__VEC__) || defined(__ALTIVEC__)
|
|
BLASLONG n1 = n & -8;
|
|
if ( n1 > 0 )
|
|
{
|
|
crot_kernel_8(n1, x, y, c, s);
|
|
i=n1;
|
|
ix=2*n1;
|
|
}
|
|
#endif
|
|
while(i < n)
|
|
{
|
|
temp[0] = c*x[ix] + s*y[ix] ;
|
|
temp[1] = c*x[ix+1] + s*y[ix+1] ;
|
|
y[ix] = c*y[ix] - s*x[ix] ;
|
|
y[ix+1] = c*y[ix+1] - s*x[ix+1] ;
|
|
x[ix] = temp[0] ;
|
|
x[ix+1] = temp[1] ;
|
|
|
|
ix += 2 ;
|
|
i++ ;
|
|
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
inc_x2 = 2 * inc_x ;
|
|
inc_y2 = 2 * inc_y ;
|
|
while(i < n)
|
|
{
|
|
temp[0] = c*x[ix] + s*y[iy] ;
|
|
temp[1] = c*x[ix+1] + s*y[iy+1] ;
|
|
y[iy] = c*y[iy] - s*x[ix] ;
|
|
y[iy+1] = c*y[iy+1] - s*x[ix+1] ;
|
|
x[ix] = temp[0] ;
|
|
x[ix+1] = temp[1] ;
|
|
|
|
ix += inc_x2 ;
|
|
iy += inc_y2 ;
|
|
i++ ;
|
|
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|