170 lines
5.4 KiB
C
170 lines
5.4 KiB
C
/***************************************************************************
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Copyright (c) 2013-2019, 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 cswap_kernel_32(BLASLONG n, FLOAT *x, FLOAT *y) {
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__asm__("srlg %[n],%[n],5\n\t"
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"xgr %%r1,%%r1\n\t"
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"0:\n\t"
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"pfd 2, 1024(%%r1,%[x])\n\t"
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"pfd 2, 1024(%%r1,%[y])\n\t"
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"vl %%v16, 0(%%r1,%[x])\n\t"
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"vl %%v17, 16(%%r1,%[x])\n\t"
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"vl %%v18, 32(%%r1,%[x])\n\t"
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"vl %%v19, 48(%%r1,%[x])\n\t"
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"vl %%v20, 64(%%r1,%[x])\n\t"
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"vl %%v21, 80(%%r1,%[x])\n\t"
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"vl %%v22, 96(%%r1,%[x])\n\t"
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"vl %%v23, 112(%%r1,%[x])\n\t"
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"vl %%v24, 128(%%r1,%[x])\n\t"
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"vl %%v25, 144(%%r1,%[x])\n\t"
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"vl %%v26, 160(%%r1,%[x])\n\t"
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"vl %%v27, 176(%%r1,%[x])\n\t"
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"vl %%v28, 192(%%r1,%[x])\n\t"
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"vl %%v29, 208(%%r1,%[x])\n\t"
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"vl %%v30, 224(%%r1,%[x])\n\t"
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"vl %%v31, 240(%%r1,%[x])\n\t"
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"vl %%v0, 0(%%r1,%[y])\n\t"
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"vl %%v1, 16(%%r1,%[y])\n\t"
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"vl %%v2, 32(%%r1,%[y])\n\t"
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"vl %%v3, 48(%%r1,%[y])\n\t"
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"vl %%v4, 64(%%r1,%[y])\n\t"
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"vl %%v5, 80(%%r1,%[y])\n\t"
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"vl %%v6, 96(%%r1,%[y])\n\t"
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"vl %%v7, 112(%%r1,%[y])\n\t"
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"vst %%v0, 0(%%r1,%[x])\n\t"
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"vst %%v1, 16(%%r1,%[x])\n\t"
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"vst %%v2, 32(%%r1,%[x])\n\t"
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"vst %%v3, 48(%%r1,%[x])\n\t"
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"vst %%v4, 64(%%r1,%[x])\n\t"
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"vst %%v5, 80(%%r1,%[x])\n\t"
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"vst %%v6, 96(%%r1,%[x])\n\t"
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"vst %%v7, 112(%%r1,%[x])\n\t"
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"vl %%v0, 128(%%r1,%[y])\n\t"
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"vl %%v1, 144(%%r1,%[y])\n\t"
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"vl %%v2, 160(%%r1,%[y])\n\t"
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"vl %%v3, 176(%%r1,%[y])\n\t"
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"vl %%v4, 192(%%r1,%[y])\n\t"
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"vl %%v5, 208(%%r1,%[y])\n\t"
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"vl %%v6, 224(%%r1,%[y])\n\t"
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"vl %%v7, 240(%%r1,%[y])\n\t"
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"vst %%v0, 128(%%r1,%[x])\n\t"
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"vst %%v1, 144(%%r1,%[x])\n\t"
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"vst %%v2, 160(%%r1,%[x])\n\t"
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"vst %%v3, 176(%%r1,%[x])\n\t"
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"vst %%v4, 192(%%r1,%[x])\n\t"
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"vst %%v5, 208(%%r1,%[x])\n\t"
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"vst %%v6, 224(%%r1,%[x])\n\t"
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"vst %%v7, 240(%%r1,%[x])\n\t"
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"vst %%v16, 0(%%r1,%[y])\n\t"
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"vst %%v17, 16(%%r1,%[y])\n\t"
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"vst %%v18, 32(%%r1,%[y])\n\t"
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"vst %%v19, 48(%%r1,%[y])\n\t"
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"vst %%v20, 64(%%r1,%[y])\n\t"
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"vst %%v21, 80(%%r1,%[y])\n\t"
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"vst %%v22, 96(%%r1,%[y])\n\t"
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"vst %%v23, 112(%%r1,%[y])\n\t"
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"vst %%v24, 128(%%r1,%[y])\n\t"
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"vst %%v25, 144(%%r1,%[y])\n\t"
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"vst %%v26, 160(%%r1,%[y])\n\t"
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"vst %%v27, 176(%%r1,%[y])\n\t"
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"vst %%v28, 192(%%r1,%[y])\n\t"
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"vst %%v29, 208(%%r1,%[y])\n\t"
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"vst %%v30, 224(%%r1,%[y])\n\t"
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"vst %%v31, 240(%%r1,%[y])\n\t"
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"agfi %%r1,256\n\t"
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"brctg %[n],0b"
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: "+m"(*(FLOAT (*)[n * 2]) x),
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"+m"(*(FLOAT (*)[n * 2]) y),[n] "+&r"(n)
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: [x] "a"(x),[y] "a"(y)
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: "cc", "r1", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16",
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"v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26",
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"v27", "v28", "v29", "v30", "v31");
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}
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT dummy3,
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FLOAT dummy4, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y,
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FLOAT *dummy, BLASLONG dummy2) {
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BLASLONG i = 0;
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BLASLONG ix = 0, iy = 0;
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FLOAT temp[2];
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BLASLONG inc_x2, inc_y2;
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if (n <= 0)
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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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cswap_kernel_32(n1, x, y);
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i = n1;
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ix = 2 * n1;
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iy = 2 * n1;
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}
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while (i < n) {
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temp[0] = x[ix];
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temp[1] = x[ix + 1];
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x[ix] = y[iy];
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x[ix + 1] = y[iy + 1];
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y[iy] = temp[0];
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y[iy + 1] = temp[1];
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ix += 2;
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iy += 2;
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i++;
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}
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} else {
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inc_x2 = 2 * inc_x;
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inc_y2 = 2 * inc_y;
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while (i < n) {
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temp[0] = x[ix];
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temp[1] = x[ix + 1];
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x[ix] = y[iy];
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x[ix + 1] = y[iy + 1];
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y[iy] = temp[0];
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y[iy + 1] = temp[1];
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ix += inc_x2;
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iy += inc_y2;
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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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