187 lines
6.0 KiB
C
187 lines
6.0 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, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
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{
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BLASLONG i;
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v4f32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15;
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FLOAT f0, f1, f2, f3, f4, f5, f6, f7;
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if (n < 0) return (0);
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if ((1 == inc_x) && (1 == inc_y))
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{
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if (n > 63)
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{
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FLOAT *x_pref;
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BLASLONG pref_offset;
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pref_offset = (BLASLONG)x & (L1_DATA_LINESIZE - 1);
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if (pref_offset > 0)
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{
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pref_offset = L1_DATA_LINESIZE - pref_offset;
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pref_offset = pref_offset / sizeof(FLOAT);
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}
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x_pref = x + pref_offset + 128 + 32;
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LD_SP8_INC(x, 4, x0, x1, x2, x3, x4, x5, x6, x7);
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for (i = (n >> 6) - 1; i--;)
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{
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PREF_OFFSET(x_pref, 0);
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PREF_OFFSET(x_pref, 32);
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PREF_OFFSET(x_pref, 64);
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PREF_OFFSET(x_pref, 96);
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PREF_OFFSET(x_pref, 128);
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PREF_OFFSET(x_pref, 160);
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PREF_OFFSET(x_pref, 192);
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PREF_OFFSET(x_pref, 224);
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x_pref += 64;
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x8 = LD_SP(x); x += 4;
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ST_SP(x0, y); y += 4;
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x9 = LD_SP(x); x += 4;
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ST_SP(x1, y); y += 4;
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x10 = LD_SP(x); x += 4;
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ST_SP(x2, y); y += 4;
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x11 = LD_SP(x); x += 4;
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ST_SP(x3, y); y += 4;
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x12 = LD_SP(x); x += 4;
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ST_SP(x4, y); y += 4;
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x13 = LD_SP(x); x += 4;
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ST_SP(x5, y); y += 4;
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x14 = LD_SP(x); x += 4;
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ST_SP(x6, y); y += 4;
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x15 = LD_SP(x); x += 4;
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ST_SP(x7, y); y += 4;
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x0 = LD_SP(x); x += 4;
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ST_SP(x8, y); y += 4;
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x1 = LD_SP(x); x += 4;
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ST_SP(x9, y); y += 4;
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x2 = LD_SP(x); x += 4;
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ST_SP(x10, y); y += 4;
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x3 = LD_SP(x); x += 4;
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ST_SP(x11, y); y += 4;
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x4 = LD_SP(x); x += 4;
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ST_SP(x12, y); y += 4;
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x5 = LD_SP(x); x += 4;
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ST_SP(x13, y); y += 4;
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x6 = LD_SP(x); x += 4;
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ST_SP(x14, y); y += 4;
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x7 = LD_SP(x); x += 4;
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ST_SP(x15, y); y += 4;
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}
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x8 = LD_SP(x); x += 4;
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x9 = LD_SP(x); x += 4;
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ST_SP(x0, y); y += 4;
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x10 = LD_SP(x); x += 4;
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ST_SP(x1, y); y += 4;
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x11 = LD_SP(x); x += 4;
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ST_SP(x2, y); y += 4;
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x12 = LD_SP(x); x += 4;
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ST_SP(x3, y); y += 4;
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x13 = LD_SP(x); x += 4;
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ST_SP(x4, y); y += 4;
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x14 = LD_SP(x); x += 4;
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ST_SP(x5, y); y += 4;
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x15 = LD_SP(x); x += 4;
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ST_SP(x6, y); y += 4;
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ST_SP(x7, y); y += 4;
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ST_SP8_INC(x8, x9, x10, x11, x12, x13, x14, x15, y, 4);
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}
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if (n & 63)
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{
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if (n & 32)
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{
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LD_SP8_INC(x, 4, x0, x1, x2, x3, x4, x5, x6, x7);
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ST_SP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, y, 4);
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}
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if (n & 16)
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{
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LD_SP4_INC(x, 4, x0, x1, x2, x3);
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ST_SP4_INC(x0, x1, x2, x3, y, 4);
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}
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if (n & 8)
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{
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LD_SP2_INC(x, 4, x0, x1);
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ST_SP2_INC(x0, x1, y, 4);
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}
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if (n & 4)
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{
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LD_GP4_INC(x, 1, f0, f1, f2, f3);
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ST_GP4_INC(f0, f1, f2, f3, y, 1);
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}
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if (n & 2)
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{
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LD_GP2_INC(x, 1, f0, f1);
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ST_GP2_INC(f0, f1, y, 1);
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}
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if (n & 1)
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{
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*y = *x;
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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_GP8_INC(x, inc_x, f0, f1, f2, f3, f4, f5, f6, f7);
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ST_GP8_INC(f0, f1, f2, f3, f4, f5, f6, f7, y, inc_y);
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}
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if (n & 4)
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{
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LD_GP4_INC(x, inc_x, f0, f1, f2, f3);
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ST_GP4_INC(f0, f1, f2, f3, y, inc_y);
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}
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if (n & 2)
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{
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LD_GP2_INC(x, inc_x, f0, f1);
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ST_GP2_INC(f0, f1, y, inc_y);
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}
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if (n & 1)
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{
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*y = *x;
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}
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}
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return (0);
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}
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