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OpenBLAS/kernel/power/dgemv_n_microk_power8.c

302 lines
8.7 KiB
C
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/***************************************************************************
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.
*****************************************************************************/
/**************************************************************************************
* 2016/03/30 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/
#define HAVE_KERNEL_4x4 1
static void dgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *xo, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
static void dgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *xo, FLOAT *y, FLOAT *alpha)
{
BLASLONG i=n;
BLASLONG o8 = 8;
BLASLONG o16 = 16;
BLASLONG o24 = 24;
BLASLONG pre = 384;
FLOAT *a0,*a1,*a2,*a3;
FLOAT *y1=y+1;
FLOAT x[4] __attribute__ ((aligned (16)));;
a0 = ap[0]+1;
a1 = ap[1]+1;
a2 = ap[2]+1;
a3 = ap[3]+1;
x[0]=xo[0] * *alpha;
x[1]=xo[1] * *alpha;
x[2]=xo[2] * *alpha;
x[3]=xo[3] * *alpha;
__asm__ __volatile__
(
"lxvdsx 32, 0 , %1 \n\t" // x0
"lxvdsx 33,%3 , %1 \n\t" // x1
"lxvdsx 34,%4 , %1 \n\t" // x2
"lxvdsx 35,%5 , %1 \n\t" // x3
"addi %2 , %2 , -8 \n\t"
"addi %6 , %6 , -8 \n\t"
"addi %7 , %7 , -8 \n\t"
"addi %8 , %8 , -8 \n\t"
"addi %9 , %9 , -8 \n\t"
"lxvd2x 48, 0, %6 \n\t" // a0[0], a0[1]
"lxvd2x 49,%4, %6 \n\t" // a0[2], a0[3]
"lxvd2x 50, 0, %7 \n\t" // a1[0], a1[1]
"lxvd2x 51,%4, %7 \n\t" // a1[2], a1[3]
"lxvd2x 52, 0, %8 \n\t" // a2[0], a2[1]
"lxvd2x 53,%4, %8 \n\t" // a2[2], a2[3]
"lxvd2x 54, 0, %9 \n\t" // a3[0], a3[1]
"lxvd2x 55,%4, %9 \n\t" // a3[2], a3[3]
"addi %6, %6, 32 \n\t"
"addi %7, %7, 32 \n\t"
"addi %8, %8, 32 \n\t"
"addi %9, %9, 32 \n\t"
"addic. %0 , %0 , -4 \n\t"
"ble 2f \n\t"
".align 5 \n\t"
"1: \n\t"
"dcbt %2, %10 \n\t"
"lxvd2x 40, 0, %2 \n\t" // y0, y1
"lxvd2x 41,%4, %2 \n\t" // y2, y3
"dcbt %6, %10 \n\t"
"dcbt %7, %10 \n\t"
"dcbt %8, %10 \n\t"
"dcbt %9, %10 \n\t"
"xvmaddadp 40, 48, 32 \n\t"
"xvmaddadp 41, 49, 32 \n\t"
"lxvd2x 48, 0, %6 \n\t" // a0[0], a0[1]
"lxvd2x 49,%4, %6 \n\t" // a0[2], a0[3]
"xvmaddadp 40, 50, 33 \n\t"
"addi %6, %6, 32 \n\t"
"xvmaddadp 41, 51, 33 \n\t"
"lxvd2x 50, 0, %7 \n\t" // a1[0], a1[1]
"lxvd2x 51,%4, %7 \n\t" // a1[2], a1[3]
"xvmaddadp 40, 52, 34 \n\t"
"addi %7, %7, 32 \n\t"
"xvmaddadp 41, 53, 34 \n\t"
"lxvd2x 52, 0, %8 \n\t" // a2[0], a2[1]
"lxvd2x 53,%4, %8 \n\t" // a2[2], a2[3]
"xvmaddadp 40, 54, 35 \n\t"
"addi %8, %8, 32 \n\t"
"xvmaddadp 41, 55, 35 \n\t"
"stxvd2x 40, 0, %2 \n\t" // y0, y1
"stxvd2x 41,%4, %2 \n\t" // y2, y3
"lxvd2x 54, 0, %9 \n\t" // a3[0], a3[1]
"lxvd2x 55,%4, %9 \n\t" // a3[2], a3[3]
"addi %9, %9, 32 \n\t"
"addi %2, %2, 32 \n\t"
"addic. %0 , %0 , -4 \n\t"
"ble 2f \n\t"
"lxvd2x 40, 0, %2 \n\t" // y0, y1
"lxvd2x 41,%4, %2 \n\t" // y2, y3
"xvmaddadp 40, 48, 32 \n\t"
"xvmaddadp 41, 49, 32 \n\t"
"lxvd2x 48, 0, %6 \n\t" // a0[0], a0[1]
"lxvd2x 49,%4, %6 \n\t" // a0[2], a0[3]
"xvmaddadp 40, 50, 33 \n\t"
"addi %6, %6, 32 \n\t"
"xvmaddadp 41, 51, 33 \n\t"
"lxvd2x 50, 0, %7 \n\t" // a1[0], a1[1]
"lxvd2x 51,%4, %7 \n\t" // a1[2], a1[3]
"xvmaddadp 40, 52, 34 \n\t"
"addi %7, %7, 32 \n\t"
"xvmaddadp 41, 53, 34 \n\t"
"lxvd2x 52, 0, %8 \n\t" // a2[0], a2[1]
"lxvd2x 53,%4, %8 \n\t" // a2[2], a2[3]
"xvmaddadp 40, 54, 35 \n\t"
"addi %8, %8, 32 \n\t"
"xvmaddadp 41, 55, 35 \n\t"
"stxvd2x 40, 0, %2 \n\t" // y0, y1
"stxvd2x 41,%4, %2 \n\t" // y2, y3
"lxvd2x 54, 0, %9 \n\t" // a3[0], a3[1]
"lxvd2x 55,%4, %9 \n\t" // a3[2], a3[3]
"addi %9, %9, 32 \n\t"
"addi %2, %2, 32 \n\t"
"addic. %0 , %0 , -4 \n\t"
"ble 2f \n\t"
"lxvd2x 40, 0, %2 \n\t" // y0, y1
"lxvd2x 41,%4, %2 \n\t" // y2, y3
"xvmaddadp 40, 48, 32 \n\t"
"xvmaddadp 41, 49, 32 \n\t"
"lxvd2x 48, 0, %6 \n\t" // a0[0], a0[1]
"lxvd2x 49,%4, %6 \n\t" // a0[2], a0[3]
"xvmaddadp 40, 50, 33 \n\t"
"addi %6, %6, 32 \n\t"
"xvmaddadp 41, 51, 33 \n\t"
"lxvd2x 50, 0, %7 \n\t" // a1[0], a1[1]
"lxvd2x 51,%4, %7 \n\t" // a1[2], a1[3]
"xvmaddadp 40, 52, 34 \n\t"
"addi %7, %7, 32 \n\t"
"xvmaddadp 41, 53, 34 \n\t"
"lxvd2x 52, 0, %8 \n\t" // a2[0], a2[1]
"lxvd2x 53,%4, %8 \n\t" // a2[2], a2[3]
"xvmaddadp 40, 54, 35 \n\t"
"addi %8, %8, 32 \n\t"
"xvmaddadp 41, 55, 35 \n\t"
"stxvd2x 40, 0, %2 \n\t" // y0, y1
"stxvd2x 41,%4, %2 \n\t" // y2, y3
"lxvd2x 54, 0, %9 \n\t" // a3[0], a3[1]
"lxvd2x 55,%4, %9 \n\t" // a3[2], a3[3]
"addi %9, %9, 32 \n\t"
"addi %2, %2, 32 \n\t"
"addic. %0 , %0 , -4 \n\t"
"ble 2f \n\t"
"lxvd2x 40, 0, %2 \n\t" // y0, y1
"lxvd2x 41,%4, %2 \n\t" // y2, y3
"xvmaddadp 40, 48, 32 \n\t"
"xvmaddadp 41, 49, 32 \n\t"
"lxvd2x 48, 0, %6 \n\t" // a0[0], a0[1]
"lxvd2x 49,%4, %6 \n\t" // a0[2], a0[3]
"xvmaddadp 40, 50, 33 \n\t"
"addi %6, %6, 32 \n\t"
"xvmaddadp 41, 51, 33 \n\t"
"lxvd2x 50, 0, %7 \n\t" // a1[0], a1[1]
"lxvd2x 51,%4, %7 \n\t" // a1[2], a1[3]
"xvmaddadp 40, 52, 34 \n\t"
"addi %7, %7, 32 \n\t"
"xvmaddadp 41, 53, 34 \n\t"
"lxvd2x 52, 0, %8 \n\t" // a2[0], a2[1]
"lxvd2x 53,%4, %8 \n\t" // a2[2], a2[3]
"xvmaddadp 40, 54, 35 \n\t"
"addi %8, %8, 32 \n\t"
"xvmaddadp 41, 55, 35 \n\t"
"stxvd2x 40, 0, %2 \n\t" // y0, y1
"stxvd2x 41,%4, %2 \n\t" // y2, y3
"lxvd2x 54, 0, %9 \n\t" // a3[0], a3[1]
"lxvd2x 55,%4, %9 \n\t" // a3[2], a3[3]
"addi %9, %9, 32 \n\t"
"addi %2, %2, 32 \n\t"
"addic. %0 , %0 , -4 \n\t"
"bgt 1b \n\t"
"2: \n\t"
"lxvd2x 40, 0, %2 \n\t" // y0, y1
"lxvd2x 41,%4, %2 \n\t" // y2, y3
"xvmaddadp 40, 48, 32 \n\t"
"xvmaddadp 41, 49, 32 \n\t"
"xvmaddadp 40, 50, 33 \n\t"
"xvmaddadp 41, 51, 33 \n\t"
"xvmaddadp 40, 52, 34 \n\t"
"xvmaddadp 41, 53, 34 \n\t"
"xvmaddadp 40, 54, 35 \n\t"
"xvmaddadp 41, 55, 35 \n\t"
"stxvd2x 40, 0, %2 \n\t" // y0, y1
"stxvd2x 41,%4, %2 \n\t" // y2, y3
:
:
"r" (i), // 0
"r" (x), // 1
"r" (y1), // 2
"r" (o8), // 3
"r" (o16), // 4
"r" (o24), // 5
"r" (a0), // 6
"r" (a1), // 7
"r" (a2), // 8
"r" (a3), // 9
"r" (pre) // 10
: "cr0", "%0", "%2" , "%6", "%7", "%8", "%9", "memory"
);
}
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