86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/***************************************************************************
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Copyright (c) 2013-2018, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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static void dcopy_kernel_32(BLASLONG n, FLOAT *x, FLOAT *y)
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{
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__asm__ volatile (
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"lgr %%r1,%1 \n\t"
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"lgr %%r2,%2 \n\t"
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"srlg %%r0,%0,5 \n\t"
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"0: \n\t"
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"pfd 1, 1024(%%r1) \n\t"
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"pfd 2, 1024(%%r2) \n\t"
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"mvc 0(256,%%r2),0(%%r1) \n\t"
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"agfi %%r1,256 \n\t"
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"agfi %%r2,256 \n\t"
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"brctg %%r0,0b "
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:
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:"r"(n),"a"((const FLOAT (*)[n])x),"a"((FLOAT (*)[n])y)
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:"memory","cc","r0","r1","r2"
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);
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}
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int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y) {
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BLASLONG i = 0;
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BLASLONG ix = 0, iy = 0;
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if (n <= 0) return 0;
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if ((inc_x == 1) && (inc_y == 1)) {
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BLASLONG n1 = n & -32;
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if (n1 > 0) {
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dcopy_kernel_32(n1, x, y);
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i = n1;
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}
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while (i < n) {
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y[i] = x[i];
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i++;
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}
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} else {
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while (i < n) {
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y[iy] = x[ix];
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ix += inc_x;
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iy += inc_y;
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i++;
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}
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}
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return 0;
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}
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