167 lines
5.5 KiB
C
167 lines
5.5 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 caxpy_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *alpha) {
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__asm__(
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#if !defined(CONJ)
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"vlrepf %%v0,0(%[alpha])\n\t"
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"vlef %%v1,4(%[alpha]),0\n\t"
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"vlef %%v1,4(%[alpha]),2\n\t"
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"vflcsb %%v1,%%v1\n\t"
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"vlef %%v1,4(%[alpha]),1\n\t"
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"vlef %%v1,4(%[alpha]),3\n\t"
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#else
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"vlef %%v0,0(%[alpha]),1\n\t"
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"vlef %%v0,0(%[alpha]),3\n\t"
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"vflcsb %%v0,%%v0\n\t"
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"vlef %%v0,0(%[alpha]),0\n\t"
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"vlef %%v0,0(%[alpha]),2\n\t"
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"vlrepf %%v1,4(%[alpha])\n\t"
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#endif
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"srlg %[n],%[n],4\n\t"
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"xgr %%r1,%%r1\n\t"
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"0:\n\t"
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"pfd 1, 1024(%%r1,%[x])\n\t"
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"pfd 2, 1024(%%r1,%[y])\n\t"
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"vl %%v8,0(%%r1,%[x])\n\t"
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"vl %%v9,16(%%r1,%[x])\n\t"
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"vl %%v10,32(%%r1,%[x])\n\t"
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"vl %%v11,48(%%r1,%[x])\n\t"
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"vl %%v12,0(%%r1,%[y])\n\t"
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"vl %%v13,16(%%r1,%[y])\n\t"
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"vl %%v14,32(%%r1,%[y])\n\t"
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"vl %%v15,48(%%r1,%[y])\n\t"
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"vl %%v16,64(%%r1,%[x])\n\t"
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"vl %%v17,80(%%r1,%[x])\n\t"
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"vl %%v18,96(%%r1,%[x])\n\t"
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"vl %%v19,112(%%r1,%[x])\n\t"
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"vl %%v20,64(%%r1,%[y])\n\t"
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"vl %%v21,80(%%r1,%[y])\n\t"
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"vl %%v22,96(%%r1,%[y])\n\t"
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"vl %%v23,112(%%r1,%[y])\n\t"
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"verllg %%v24,%%v8,32\n\t"
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"verllg %%v25,%%v9,32\n\t"
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"verllg %%v26,%%v10,32\n\t"
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"verllg %%v27,%%v11,32\n\t"
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"verllg %%v28,%%v16,32\n\t"
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"verllg %%v29,%%v17,32\n\t"
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"verllg %%v30,%%v18,32\n\t"
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"verllg %%v31,%%v19,32\n\t"
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"vfmasb %%v8,%%v8,%%v0,%%v12\n\t"
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"vfmasb %%v9,%%v9,%%v0,%%v13\n\t"
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"vfmasb %%v10,%%v10,%%v0,%%v14\n\t"
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"vfmasb %%v11,%%v11,%%v0,%%v15\n\t"
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"vfmasb %%v16,%%v16,%%v0,%%v20\n\t"
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"vfmasb %%v17,%%v17,%%v0,%%v21\n\t"
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"vfmasb %%v18,%%v18,%%v0,%%v22\n\t"
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"vfmasb %%v19,%%v19,%%v0,%%v23\n\t"
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"vfmasb %%v8,%%v24,%%v1,%%v8\n\t"
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"vfmasb %%v9,%%v25,%%v1,%%v9\n\t"
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"vfmasb %%v10,%%v26,%%v1,%%v10\n\t"
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"vfmasb %%v11,%%v27,%%v1,%%v11\n\t"
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"vfmasb %%v16,%%v28,%%v1,%%v16\n\t"
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"vfmasb %%v17,%%v29,%%v1,%%v17\n\t"
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"vfmasb %%v18,%%v30,%%v1,%%v18\n\t"
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"vfmasb %%v19,%%v31,%%v1,%%v19\n\t"
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"vst %%v8,0(%%r1,%[y])\n\t"
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"vst %%v9,16(%%r1,%[y])\n\t"
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"vst %%v10,32(%%r1,%[y])\n\t"
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"vst %%v11,48(%%r1,%[y])\n\t"
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"vst %%v16,64(%%r1,%[y])\n\t"
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"vst %%v17,80(%%r1,%[y])\n\t"
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"vst %%v18,96(%%r1,%[y])\n\t"
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"vst %%v19,112(%%r1,%[y])\n\t"
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"agfi %%r1,128\n\t"
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"brctg %[n],0b"
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: "+m"(*(FLOAT (*)[n * 2]) y),[n] "+&r"(n)
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: [y] "a"(y), "m"(*(const FLOAT (*)[n * 2]) x),[x] "a"(x),
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"m"(*(const FLOAT (*)[2]) alpha),[alpha] "a"(alpha)
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: "cc", "r1", "v0", "v1", "v8", "v9", "v10", "v11", "v12", "v13",
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"v14", "v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
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"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31");
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}
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i,
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FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy,
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BLASLONG dummy2) {
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BLASLONG i = 0;
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BLASLONG ix = 0, iy = 0;
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FLOAT da[2] __attribute__ ((aligned(16)));
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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 & -16;
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if (n1) {
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da[0] = da_r;
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da[1] = da_i;
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caxpy_kernel_16(n1, x, y, da);
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ix = 2 * n1;
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}
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i = n1;
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while (i < n) {
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#if !defined(CONJ)
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y[ix] += (da_r * x[ix] - da_i * x[ix + 1]);
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y[ix + 1] += (da_r * x[ix + 1] + da_i * x[ix]);
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#else
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y[ix] += (da_r * x[ix] + da_i * x[ix + 1]);
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y[ix + 1] -= (da_r * x[ix + 1] - da_i * x[ix]);
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#endif
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i++;
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ix += 2;
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}
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return (0);
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}
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inc_x *= 2;
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inc_y *= 2;
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while (i < n) {
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#if !defined(CONJ)
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y[iy] += (da_r * x[ix] - da_i * x[ix + 1]);
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y[iy + 1] += (da_r * x[ix + 1] + da_i * x[ix]);
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#else
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y[iy] += (da_r * x[ix] + da_i * x[ix + 1]);
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y[iy + 1] -= (da_r * x[ix + 1] - da_i * x[ix]);
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#endif
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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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return (0);
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}
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