239 lines
8.9 KiB
C
239 lines
8.9 KiB
C
/*******************************************************************************
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Copyright (c) 2016, 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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#include "macros_msa.h"
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT dummy3,
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FLOAT dummy4, FLOAT *srcx, BLASLONG inc_x, FLOAT *srcy,
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BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
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{
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BLASLONG i, inc_x2, inc_y2, pref_offsetx, pref_offsety;
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FLOAT *px, *py;
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v2f64 x0, x1, x2, x3, x4, x5, x6, x7;
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v2f64 y0, y1, y2, y3, y4, y5, y6, y7;
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if (n < 0) return (0);
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pref_offsetx = (BLASLONG)srcx & (L1_DATA_LINESIZE - 1);
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if (pref_offsetx > 0)
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{
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pref_offsetx = L1_DATA_LINESIZE - pref_offsetx;
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pref_offsetx = pref_offsetx / sizeof(FLOAT);
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}
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pref_offsety = (BLASLONG)srcy & (L1_DATA_LINESIZE - 1);
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if (pref_offsety > 0)
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{
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pref_offsety = L1_DATA_LINESIZE - pref_offsety;
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pref_offsety = pref_offsety / sizeof(FLOAT);
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}
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inc_x2 = 2 * inc_x;
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inc_y2 = 2 * inc_y;
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px = srcx;
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py = srcy;
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if ((1 == inc_x) && (1 == inc_y))
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{
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if (n >> 3)
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{
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LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
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for (i = (n >> 3) - 1; i--;)
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{
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PREFETCH(px + pref_offsetx + 16);
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PREFETCH(px + pref_offsetx + 20);
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PREFETCH(px + pref_offsetx + 24);
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PREFETCH(px + pref_offsetx + 28);
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PREFETCH(py + pref_offsety + 16);
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PREFETCH(py + pref_offsety + 20);
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PREFETCH(py + pref_offsety + 24);
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PREFETCH(py + pref_offsety + 28);
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y0 = LD_DP(py); py += 2;
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ST_DP(x0, srcy); srcy += 2;
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y1 = LD_DP(py); py += 2;
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ST_DP(x1, srcy); srcy += 2;
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y2 = LD_DP(py); py += 2;
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ST_DP(x2, srcy); srcy += 2;
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y3 = LD_DP(py); py += 2;
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ST_DP(x3, srcy); srcy += 2;
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y4 = LD_DP(py); py += 2;
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ST_DP(x4, srcy); srcy += 2;
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y5 = LD_DP(py); py += 2;
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ST_DP(x5, srcy); srcy += 2;
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y6 = LD_DP(py); py += 2;
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ST_DP(x6, srcy); srcy += 2;
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y7 = LD_DP(py); py += 2;
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ST_DP(x7, srcy); srcy += 2;
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x0 = LD_DP(px); px += 2;
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ST_DP(y0, srcx); srcx += 2;
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x1 = LD_DP(px); px += 2;
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ST_DP(y1, srcx); srcx += 2;
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x2 = LD_DP(px); px += 2;
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ST_DP(y2, srcx); srcx += 2;
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x3 = LD_DP(px); px += 2;
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ST_DP(y3, srcx); srcx += 2;
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x4 = LD_DP(px); px += 2;
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ST_DP(y4, srcx); srcx += 2;
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x5 = LD_DP(px); px += 2;
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ST_DP(y5, srcx); srcx += 2;
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x6 = LD_DP(px); px += 2;
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ST_DP(y6, srcx); srcx += 2;
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x7 = LD_DP(px); px += 2;
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ST_DP(y7, srcx); srcx += 2;
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}
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LD_DP8_INC(py, 2, y0, y1, y2, y3, y4, y5, y6, y7);
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ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, srcy, 2);
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ST_DP8_INC(y0, y1, y2, y3, y4, y5, y6, y7, srcx, 2);
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}
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if (n & 7)
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{
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if ((n & 4) && (n & 2) && (n & 1))
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{
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LD_DP7_INC(px, 2, x0, x1, x2, x3, x4, x5, x6);
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LD_DP7_INC(py, 2, y0, y1, y2, y3, y4, y5, y6);
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ST_DP7_INC(x0, x1, x2, x3, x4, x5, x6, srcy, 2);
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ST_DP7_INC(y0, y1, y2, y3, y4, y5, y6, srcx, 2);
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}
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else if ((n & 4) && (n & 2))
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{
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LD_DP6_INC(px, 2, x0, x1, x2, x3, x4, x5);
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LD_DP6_INC(py, 2, y0, y1, y2, y3, y4, y5);
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ST_DP6_INC(x0, x1, x2, x3, x4, x5, srcy, 2);
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ST_DP6_INC(y0, y1, y2, y3, y4, y5, srcx, 2);
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}
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else if ((n & 4) && (n & 1))
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{
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LD_DP5_INC(px, 2, x0, x1, x2, x3, x4);
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LD_DP5_INC(py, 2, y0, y1, y2, y3, y4);
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ST_DP5_INC(x0, x1, x2, x3, x4, srcy, 2);
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ST_DP5_INC(y0, y1, y2, y3, y4, srcx, 2);
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}
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else if ((n & 2) && (n & 1))
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{
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LD_DP3_INC(px, 2, x0, x1, x2);
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LD_DP3_INC(py, 2, y0, y1, y2);
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ST_DP3_INC(x0, x1, x2, srcy, 2);
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ST_DP3_INC(y0, y1, y2, srcx, 2);
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}
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else if (n & 4)
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{
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LD_DP4_INC(px, 2, x0, x1, x2, x3);
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LD_DP4_INC(py, 2, y0, y1, y2, y3);
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ST_DP4_INC(x0, x1, x2, x3, srcy, 2);
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ST_DP4_INC(y0, y1, y2, y3, srcx, 2);
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}
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else if (n & 2)
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{
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LD_DP2_INC(px, 2, x0, x1);
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LD_DP2_INC(py, 2, y0, y1);
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ST_DP2_INC(x0, x1, srcy, 2);
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ST_DP2_INC(y0, y1, srcx, 2);
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}
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else if (n & 1)
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{
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x0 = LD_DP(px);
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y0 = LD_DP(py);
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ST_DP(y0, srcx);
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ST_DP(x0, srcy);
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}
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}
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}
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else
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{
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for (i = (n >> 3); i--;)
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{
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LD_DP8_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6, x7);
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LD_DP8_INC(py, inc_y2, y0, y1, y2, y3, y4, y5, y6, y7);
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ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, srcy, inc_y2);
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ST_DP8_INC(y0, y1, y2, y3, y4, y5, y6, y7, srcx, inc_x2);
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}
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if (n & 7)
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{
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if ((n & 4) && (n & 2) && (n & 1))
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{
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LD_DP7_INC(px, inc_x2, x0, x1, x2, x3, x4, x5, x6);
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LD_DP7_INC(py, inc_y2, y0, y1, y2, y3, y4, y5, y6);
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ST_DP7_INC(x0, x1, x2, x3, x4, x5, x6, srcy, inc_y2);
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ST_DP7_INC(y0, y1, y2, y3, y4, y5, y6, srcx, inc_x2);
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}
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else if ((n & 4) && (n & 2))
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{
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LD_DP6_INC(px, inc_x2, x0, x1, x2, x3, x4, x5);
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LD_DP6_INC(py, inc_y2, y0, y1, y2, y3, y4, y5);
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ST_DP6_INC(x0, x1, x2, x3, x4, x5, srcy, inc_y2);
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ST_DP6_INC(y0, y1, y2, y3, y4, y5, srcx, inc_x2);
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}
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else if ((n & 4) && (n & 1))
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{
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LD_DP5_INC(px, inc_x2, x0, x1, x2, x3, x4);
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LD_DP5_INC(py, inc_y2, y0, y1, y2, y3, y4);
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ST_DP5_INC(x0, x1, x2, x3, x4, srcy, inc_y2);
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ST_DP5_INC(y0, y1, y2, y3, y4, srcx, inc_x2);
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}
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else if ((n & 2) && (n & 1))
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{
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LD_DP3_INC(px, inc_x2, x0, x1, x2);
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LD_DP3_INC(py, inc_y2, y0, y1, y2);
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ST_DP3_INC(x0, x1, x2, srcy, inc_y2);
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ST_DP3_INC(y0, y1, y2, srcx, inc_x2);
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}
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else if (n & 4)
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{
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LD_DP4_INC(px, inc_x2, x0, x1, x2, x3);
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LD_DP4_INC(py, inc_y2, y0, y1, y2, y3);
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ST_DP4_INC(x0, x1, x2, x3, srcy, inc_y2);
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ST_DP4_INC(y0, y1, y2, y3, srcx, inc_x2);
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}
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else if (n & 2)
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{
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LD_DP2_INC(px, inc_x2, x0, x1);
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LD_DP2_INC(py, inc_y2, y0, y1);
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ST_DP2_INC(x0, x1, srcy, inc_y2);
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ST_DP2_INC(y0, y1, srcx, inc_x2);
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}
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else if (n & 1)
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{
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x0 = LD_DP(px);
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y0 = LD_DP(py);
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ST_DP(y0, srcx);
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ST_DP(x0, srcy);
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}
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}
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}
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return (0);
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}
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