213 lines
8.7 KiB
C
213 lines
8.7 KiB
C
/***************************************************************************
|
|
Copyright (c) 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 zaxpy_kernel_8(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT da_r,FLOAT da_i) {
|
|
|
|
BLASLONG tempR1 ;
|
|
__asm__ ("pfd 1, 0(%[x_tmp]) \n\t"
|
|
"pfd 2, 0(%[y_tmp]) \n\t"
|
|
#if !defined(CONJ)
|
|
"lgdr %[t1],%[alpha_r] \n\t"
|
|
"vlvgp %%v28,%[t1],%[t1] \n\t" //load both from disjoint
|
|
"lgdr %[t1],%[alpha_i] \n\t"
|
|
"vlvgp %%v29,%[t1],%[t1] \n\t" //load both from disjoint
|
|
"vflcdb %%v29,%%v29 \n\t" //complement both
|
|
"vlvgg %%v29,%[t1],1 \n\t" //restore 2nd so that {-alpha_i, alpha_i}
|
|
|
|
#else
|
|
"lgdr %[t1],%[alpha_i] \n\t"
|
|
"vlvgp %%v29,%[t1],%[t1] \n\t" //load both from disjoint
|
|
"lgdr %[t1],%[alpha_r] \n\t"
|
|
"vlvgp %%v28,%[t1],%[t1] \n\t" //load both from disjoint
|
|
"vflcdb %%v28,%%v28 \n\t" //complement both
|
|
"vlvgg %%v28,%[t1],0 \n\t" //restore 1st so that {alpha_r,-alpha_r}
|
|
#endif
|
|
|
|
"xgr %[t1],%[t1] \n\t"
|
|
"sllg %[tmp],%[tmp],4 \n\t"
|
|
"vl %%v30 , 0(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v31 , 16(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v6 , 32(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v7 , 48(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v20 , 0(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v21 , 16(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v22 , 32(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v23 , 48(%[t1],%[x_tmp]) \n\t"
|
|
"lay %[tmp],-64 (%[tmp]) \n\t" //tmp-=64 so that t1+64 can break tmp condition
|
|
"j 2f \n\t"
|
|
".align 16 \n\t"
|
|
"1: \n\t"
|
|
|
|
"vpdi %%v24 , %%v20, %%v20, 4 \n\t"
|
|
"vpdi %%v25 , %%v21, %%v21, 4 \n\t"
|
|
"vpdi %%v26 , %%v22, %%v22, 4 \n\t"
|
|
"vpdi %%v27 , %%v23, %%v23, 4 \n\t"
|
|
"vfmadb %%v16, %%v20, %%v28, %%v16 \n\t"
|
|
"vfmadb %%v17, %%v21, %%v28, %%v17 \n\t"
|
|
"vfmadb %%v18, %%v22, %%v28, %%v18 \n\t"
|
|
"vfmadb %%v19, %%v23, %%v28, %%v19 \n\t"
|
|
"vl %%v30, 64(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v31, 80(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v6 , 96(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v7 , 112(%[t1],%[y_tmp]) \n\t"
|
|
"vfmadb %%v16, %%v24, %%v29, %%v16 \n\t"
|
|
"vfmadb %%v17, %%v25, %%v29, %%v17 \n\t"
|
|
"vfmadb %%v18, %%v26, %%v29, %%v18 \n\t"
|
|
"vfmadb %%v19, %%v27, %%v29, %%v19 \n\t"
|
|
"vl %%v20 , 64(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v21 , 80(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v22 , 96(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v23 ,112(%[t1],%[x_tmp]) \n\t"
|
|
|
|
"vst %%v16 , 0(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v17 , 16(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v18 , 32(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v19 , 48(%[t1],%[y_tmp]) \n\t"
|
|
|
|
"la %[t1],64(%[t1] ) \n\t"
|
|
"2: \n\t"
|
|
"pfd 1, 256(%[t1],%[x_tmp]) \n\t"
|
|
"pfd 2, 256(%[t1],%[y_tmp]) \n\t"
|
|
"vpdi %%v24 , %%v20, %%v20, 4 \n\t"
|
|
"vpdi %%v25 , %%v21, %%v21, 4 \n\t"
|
|
"vpdi %%v26 , %%v22, %%v22, 4 \n\t"
|
|
"vpdi %%v27 , %%v23, %%v23, 4 \n\t"
|
|
|
|
"vfmadb %%v30, %%v20, %%v28, %%v30 \n\t"
|
|
"vfmadb %%v31, %%v21, %%v28, %%v31 \n\t"
|
|
"vfmadb %%v6, %%v22, %%v28, %%v6 \n\t"
|
|
"vfmadb %%v7, %%v23, %%v28, %%v7 \n\t"
|
|
"vl %%v16, 64(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v17, 80(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v18, 96(%[t1],%[y_tmp]) \n\t"
|
|
"vl %%v19, 112(%[t1],%[y_tmp]) \n\t"
|
|
"vfmadb %%v30, %%v24, %%v29, %%v30 \n\t"
|
|
"vfmadb %%v31, %%v25, %%v29, %%v31 \n\t"
|
|
"vfmadb %%v6, %%v26, %%v29, %%v6 \n\t"
|
|
"vfmadb %%v7, %%v27, %%v29, %%v7 \n\t"
|
|
|
|
"vl %%v20 , 64(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v21 , 80(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v22 , 96(%[t1],%[x_tmp]) \n\t"
|
|
"vl %%v23 ,112(%[t1],%[x_tmp]) \n\t"
|
|
|
|
"vst %%v30 , 0(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v31 , 16(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v6 , 32(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v7 , 48(%[t1],%[y_tmp]) \n\t"
|
|
|
|
"la %[t1],64(%[t1] ) \n\t"
|
|
|
|
|
|
"clgrjl %[t1],%[tmp],1b \n\t"
|
|
//----------------------------------------------------------------------
|
|
"vfmadb %%v16, %%v20, %%v28, %%v16 \n\t"
|
|
"vfmadb %%v17, %%v21, %%v28, %%v17 \n\t"
|
|
"vfmadb %%v18, %%v22, %%v28, %%v18 \n\t"
|
|
"vfmadb %%v19, %%v23, %%v28, %%v19 \n\t"
|
|
"vpdi %%v24 , %%v20, %%v20, 4 \n\t"
|
|
"vpdi %%v25 , %%v21, %%v21, 4 \n\t"
|
|
"vpdi %%v26 , %%v22, %%v22, 4 \n\t"
|
|
"vpdi %%v27 , %%v23, %%v23, 4 \n\t"
|
|
"vfmadb %%v16, %%v24, %%v29, %%v16 \n\t"
|
|
"vfmadb %%v17, %%v25, %%v29, %%v17 \n\t"
|
|
"vfmadb %%v18, %%v26, %%v29, %%v18 \n\t"
|
|
"vfmadb %%v19, %%v27, %%v29, %%v19 \n\t"
|
|
|
|
"vst %%v16 , 0(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v17 , 16(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v18 , 32(%[t1],%[y_tmp]) \n\t"
|
|
"vst %%v19 , 48(%[t1],%[y_tmp]) \n\t"
|
|
|
|
: [mem_y] "+m" (*(double (*)[2*n])y),[tmp]"+&r"(n) , [t1] "=&a" (tempR1)
|
|
: [mem_x] "m" (*(const double (*)[2*n])x), [x_tmp] "a"(x), [y_tmp] "a"(y), [alpha_r] "f"(da_r),[alpha_i] "f"(da_i)
|
|
: "cc", "v6","v7", "v16",
|
|
"v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
|
|
);
|
|
|
|
}
|
|
|
|
|
|
int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2) {
|
|
BLASLONG i = 0;
|
|
BLASLONG ix = 0, iy = 0;
|
|
|
|
if (n <= 0) return (0);
|
|
|
|
if ((inc_x == 1) && (inc_y == 1)) {
|
|
|
|
BLASLONG n1 = n & -8;
|
|
|
|
if (n1) {
|
|
zaxpy_kernel_8(n1, x, y, da_r,da_i);
|
|
ix = 2 * n1;
|
|
}
|
|
i = n1;
|
|
while (i < n) {
|
|
#if !defined(CONJ)
|
|
y[ix] += (da_r * x[ix] - da_i * x[ix + 1]);
|
|
y[ix + 1] += (da_r * x[ix + 1] + da_i * x[ix]);
|
|
#else
|
|
y[ix] += (da_r * x[ix] + da_i * x[ix + 1]);
|
|
y[ix + 1] -= (da_r * x[ix + 1] - da_i * x[ix]);
|
|
#endif
|
|
i++;
|
|
ix += 2;
|
|
|
|
}
|
|
return (0);
|
|
|
|
|
|
}
|
|
|
|
inc_x *= 2;
|
|
inc_y *= 2;
|
|
|
|
while (i < n) {
|
|
|
|
#if !defined(CONJ)
|
|
y[iy] += (da_r * x[ix] - da_i * x[ix + 1]);
|
|
y[iy + 1] += (da_r * x[ix + 1] + da_i * x[ix]);
|
|
#else
|
|
y[iy] += (da_r * x[ix] + da_i * x[ix + 1]);
|
|
y[iy + 1] -= (da_r * x[ix + 1] - da_i * x[ix]);
|
|
#endif
|
|
ix += inc_x;
|
|
iy += inc_y;
|
|
i++;
|
|
|
|
}
|
|
return (0);
|
|
|
|
}
|
|
|
|
|