183 lines
6.6 KiB
C
183 lines
6.6 KiB
C
/***************************************************************************
|
|
Copyright (c) 2013-2017, 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"
|
|
|
|
static void cdot_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *d)
|
|
{
|
|
__asm__ volatile(
|
|
"vzero %%v24 \n\t"
|
|
"vzero %%v25 \n\t"
|
|
"vzero %%v26 \n\t"
|
|
"vzero %%v27 \n\t"
|
|
"vzero %%v28 \n\t"
|
|
"vzero %%v29 \n\t"
|
|
"vzero %%v30 \n\t"
|
|
"vzero %%v31 \n\t"
|
|
"srlg %%r0,%0,4 \n\t"
|
|
"xgr %%r1,%%r1 \n\t"
|
|
"0: \n\t"
|
|
"pfd 1, 1024(%%r1,%1) \n\t"
|
|
"pfd 1, 1024(%%r1,%2) \n\t"
|
|
|
|
"vl %%v16, 0(%%r1,%1) \n\t"
|
|
"vl %%v17, 16(%%r1,%1) \n\t"
|
|
"vl %%v18, 32(%%r1,%1) \n\t"
|
|
"vl %%v19, 48(%%r1,%1) \n\t"
|
|
"vl %%v0, 0(%%r1,%2) \n\t"
|
|
"vl %%v1, 16(%%r1,%2) \n\t"
|
|
"vl %%v2, 32(%%r1,%2) \n\t"
|
|
"vl %%v3, 48(%%r1,%2) \n\t"
|
|
"verllg %%v20,%%v16,32 \n\t"
|
|
"verllg %%v21,%%v17,32 \n\t"
|
|
"verllg %%v22,%%v18,32 \n\t"
|
|
"verllg %%v23,%%v19,32 \n\t"
|
|
|
|
"vfmasb %%v24,%%v16,%%v0,%%v24 \n\t"
|
|
"vfmasb %%v25,%%v20,%%v0,%%v25 \n\t"
|
|
"vfmasb %%v26,%%v17,%%v1,%%v26 \n\t"
|
|
"vfmasb %%v27,%%v21,%%v1,%%v27 \n\t"
|
|
"vfmasb %%v28,%%v18,%%v2,%%v28 \n\t"
|
|
"vfmasb %%v29,%%v22,%%v2,%%v29 \n\t"
|
|
"vfmasb %%v30,%%v19,%%v3,%%v30 \n\t"
|
|
"vfmasb %%v31,%%v23,%%v3,%%v31 \n\t"
|
|
|
|
"vl %%v16, 64(%%r1,%1) \n\t"
|
|
"vl %%v17, 80(%%r1,%1) \n\t"
|
|
"vl %%v18, 96(%%r1,%1) \n\t"
|
|
"vl %%v19, 112(%%r1,%1) \n\t"
|
|
"vl %%v0, 64(%%r1,%2) \n\t"
|
|
"vl %%v1, 80(%%r1,%2) \n\t"
|
|
"vl %%v2, 96(%%r1,%2) \n\t"
|
|
"vl %%v3, 112(%%r1,%2) \n\t"
|
|
"verllg %%v20,%%v16,32 \n\t"
|
|
"verllg %%v21,%%v17,32 \n\t"
|
|
"verllg %%v22,%%v18,32 \n\t"
|
|
"verllg %%v23,%%v19,32 \n\t"
|
|
|
|
"vfmasb %%v24,%%v16,%%v0,%%v24 \n\t"
|
|
"vfmasb %%v25,%%v20,%%v0,%%v25 \n\t"
|
|
"vfmasb %%v26,%%v17,%%v1,%%v26 \n\t"
|
|
"vfmasb %%v27,%%v21,%%v1,%%v27 \n\t"
|
|
"vfmasb %%v28,%%v18,%%v2,%%v28 \n\t"
|
|
"vfmasb %%v29,%%v22,%%v2,%%v29 \n\t"
|
|
"vfmasb %%v30,%%v19,%%v3,%%v30 \n\t"
|
|
"vfmasb %%v31,%%v23,%%v3,%%v31 \n\t"
|
|
|
|
"agfi %%r1,128 \n\t"
|
|
"brctg %%r0,0b \n\t"
|
|
"vfasb %%v24,%%v24,%%v26 \n\t"
|
|
"vfasb %%v24,%%v24,%%v28 \n\t"
|
|
"vfasb %%v24,%%v24,%%v30 \n\t"
|
|
"vrepg %%v26,%%v24,1 \n\t"
|
|
"vfasb %%v24,%%v24,%%v26 \n\t"
|
|
"vfasb %%v25,%%v25,%%v27 \n\t"
|
|
"vfasb %%v25,%%v25,%%v29 \n\t"
|
|
"vfasb %%v25,%%v25,%%v31 \n\t"
|
|
"vrepg %%v27,%%v25,1 \n\t"
|
|
"vfasb %%v25,%%v25,%%v27 \n\t"
|
|
"vstef %%v24,0(%3),0 \n\t"
|
|
"vstef %%v24,4(%3),1 \n\t"
|
|
"vstef %%v25,8(%3),1 \n\t"
|
|
"vstef %%v25,12(%3),0 "
|
|
:
|
|
:"r"(n),"ZR"((const FLOAT (*)[n * 2])x),"ZR"((const FLOAT (*)[n * 2])y),"ZQ"((FLOAT (*)[4])d)
|
|
:"memory","cc","r0","r1","v0","v1","v2","v3","v16","v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
|
|
);
|
|
}
|
|
|
|
OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y) {
|
|
BLASLONG i;
|
|
BLASLONG ix, iy;
|
|
OPENBLAS_COMPLEX_FLOAT result;
|
|
FLOAT dot[4] __attribute__ ((aligned(16))) = {0.0, 0.0, 0.0, 0.0};
|
|
|
|
if (n <= 0) {
|
|
CREAL(result) = 0.0;
|
|
CIMAG(result) = 0.0;
|
|
return (result);
|
|
|
|
}
|
|
|
|
if ((inc_x == 1) && (inc_y == 1)) {
|
|
|
|
BLASLONG n1 = n & -16;
|
|
|
|
if (n1)
|
|
cdot_kernel_16(n1, x, y, dot);
|
|
|
|
i = n1;
|
|
BLASLONG j = i * 2;
|
|
|
|
while (i < n) {
|
|
|
|
dot[0] += x[j] * y[j];
|
|
dot[1] += x[j + 1] * y[j + 1];
|
|
dot[2] += x[j] * y[j + 1];
|
|
dot[3] += x[j + 1] * y[j];
|
|
|
|
j += 2;
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
} else {
|
|
i = 0;
|
|
ix = 0;
|
|
iy = 0;
|
|
inc_x <<= 1;
|
|
inc_y <<= 1;
|
|
while (i < n) {
|
|
|
|
dot[0] += x[ix] * y[iy];
|
|
dot[1] += x[ix + 1] * y[iy + 1];
|
|
dot[2] += x[ix] * y[iy + 1];
|
|
dot[3] += x[ix + 1] * y[iy];
|
|
|
|
ix += inc_x;
|
|
iy += inc_y;
|
|
i++;
|
|
|
|
}
|
|
}
|
|
|
|
#if !defined(CONJ)
|
|
CREAL(result) = dot[0] - dot[1];
|
|
CIMAG(result) = dot[2] + dot[3];
|
|
#else
|
|
CREAL(result) = dot[0] + dot[1];
|
|
CIMAG(result) = dot[2] - dot[3];
|
|
|
|
#endif
|
|
|
|
return (result);
|
|
|
|
}
|
|
|
|
|