170 lines
5.5 KiB
C
170 lines
5.5 KiB
C
/***************************************************************************
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Copyright (c) 2013-2017, 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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#if defined(Z13mvc)
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static void dcopy_kernel_32(BLASLONG n, FLOAT *x, FLOAT *y) {
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__asm__ volatile(
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"pfd 1, 0(%[ptr_x]) \n\t"
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"pfd 2, 0(%[ptr_y]) \n\t"
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"srlg %[n_tmp],%[n_tmp],5 \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"mvc 0(256,%[ptr_y]),0(%[ptr_x]) \n\t"
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"la %[ptr_x],256(%[ptr_x]) \n\t"
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"la %[ptr_y],256(%[ptr_y]) \n\t"
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"brctg %[n_tmp],1b"
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: [mem_y] "=m" (*(double (*)[n])y), [n_tmp] "+&r"(n),
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[ptr_x] "+&a"(x), [ptr_y] "+&a"(y)
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: [mem_x] "m" (*(const double (*)[n])x)
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: "cc"
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);
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return;
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}
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#else
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static void dcopy_kernel_32(BLASLONG n, FLOAT *x, FLOAT *y) {
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__asm__ volatile(
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"pfd 1, 0(%[ptr_x]) \n\t"
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"pfd 2, 0(%[ptr_y]) \n\t"
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"srlg %[n_tmp],%[n_tmp],5 \n\t"
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"xgr %%r1,%%r1 \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"pfd 1, 256(%%r1,%[ptr_x]) \n\t"
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"pfd 2, 256(%%r1,%[ptr_y]) \n\t"
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"vl %%v24, 0(%%r1,%[ptr_x]) \n\t"
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"vst %%v24, 0(%%r1,%[ptr_y]) \n\t"
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"vl %%v25, 16(%%r1,%[ptr_x]) \n\t"
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"vst %%v25, 16(%%r1,%[ptr_y]) \n\t"
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"vl %%v26, 32(%%r1,%[ptr_x]) \n\t"
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"vst %%v26, 32(%%r1,%[ptr_y]) \n\t"
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"vl %%v27, 48(%%r1,%[ptr_x]) \n\t"
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"vst %%v27, 48(%%r1,%[ptr_y]) \n\t"
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"vl %%v24, 64(%%r1,%[ptr_x]) \n\t"
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"vst %%v24, 64(%%r1,%[ptr_y]) \n\t"
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"vl %%v25, 80(%%r1,%[ptr_x]) \n\t"
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"vst %%v25, 80(%%r1,%[ptr_y]) \n\t"
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"vl %%v26, 96(%%r1,%[ptr_x]) \n\t"
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"vst %%v26, 96(%%r1,%[ptr_y]) \n\t"
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"vl %%v27, 112(%%r1,%[ptr_x]) \n\t"
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"vst %%v27, 112(%%r1,%[ptr_y]) \n\t"
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"vl %%v24, 128(%%r1,%[ptr_x]) \n\t"
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"vst %%v24, 128(%%r1,%[ptr_y]) \n\t"
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"vl %%v25, 144(%%r1,%[ptr_x]) \n\t"
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"vst %%v25, 144(%%r1,%[ptr_y]) \n\t"
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"vl %%v26, 160(%%r1,%[ptr_x]) \n\t"
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"vst %%v26, 160(%%r1,%[ptr_y]) \n\t"
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"vl %%v27, 176(%%r1,%[ptr_x]) \n\t"
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"vst %%v27, 176(%%r1,%[ptr_y]) \n\t"
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"vl %%v24, 192(%%r1,%[ptr_x]) \n\t"
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"vst %%v24, 192(%%r1,%[ptr_y]) \n\t"
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"vl %%v25, 208(%%r1,%[ptr_x]) \n\t"
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"vst %%v25, 208(%%r1,%[ptr_y]) \n\t"
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"vl %%v26, 224(%%r1,%[ptr_x]) \n\t"
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"vst %%v26, 224(%%r1,%[ptr_y]) \n\t"
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"vl %%v27, 240(%%r1,%[ptr_x]) \n\t"
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"vst %%v27, 240(%%r1,%[ptr_y]) \n\t"
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"la %%r1,256(%%r1) \n\t"
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"brctg %[n_tmp],1b"
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: [mem_y] "=m" (*(double (*)[n])y), [n_tmp] "+&r"(n)
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: [mem_x] "m" (*(const double (*)[n])x), [ptr_x] "a"(x), [ptr_y] "a"(y)
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: "cc", "r1", "v24","v25","v26","v27"
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);
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return;
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}
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#endif
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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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BLASLONG n1 = n & -4;
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while (i < n1) {
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y[iy] = x[ix];
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y[iy + inc_y] = x[ix + inc_x];
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y[iy + 2 * inc_y] = x[ix + 2 * inc_x];
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y[iy + 3 * inc_y] = x[ix + 3 * inc_x];
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ix += inc_x * 4;
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iy += inc_y * 4;
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i += 4;
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}
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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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