367 lines
12 KiB
C
367 lines
12 KiB
C
/*******************************************************************************
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Copyright (c) 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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#include "macros_msa.h"
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int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da, FLOAT *x,
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BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy,
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BLASLONG dummy2)
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{
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BLASLONG i;
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FLOAT *px;
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FLOAT f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15;
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v2f64 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15;
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v2f64 da_vec;
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px = x;
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if (1 == inc_x)
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{
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if (0.0 == da)
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{
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v2f64 zero_v = {0.0, 0.0};
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for (i = (n >> 5); i--;)
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{
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ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
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zero_v, zero_v, x, 2);
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ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
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zero_v, zero_v, x, 2);
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}
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if (n & 31)
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{
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if (n & 16)
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{
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ST_DP8_INC(zero_v, zero_v, zero_v, zero_v, zero_v, zero_v,
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zero_v, zero_v, x, 2);
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}
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if (n & 8)
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{
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ST_DP4_INC(zero_v, zero_v, zero_v, zero_v, x, 2);
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}
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if (n & 4)
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{
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ST_DP2_INC(zero_v, zero_v, x, 2);
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}
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if (n & 2)
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{
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*x = 0; x += 1;
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*x = 0; x += 1;
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}
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if (n & 1)
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{
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*x = 0;
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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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da_vec = COPY_DOUBLE_TO_VECTOR(da);
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if (n > 31)
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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 + 32 + 16;
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LD_DP8_INC(px, 2, x0, x1, x2, x3, x4, x5, x6, x7);
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for (i = 0; i < (n >> 5) - 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 += 32;
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x8 = LD_DP(px); px += 2;
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x0 *= da_vec;
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x9 = LD_DP(px); px += 2;
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x1 *= da_vec;
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x10 = LD_DP(px); px += 2;
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x2 *= da_vec;
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x11 = LD_DP(px); px += 2;
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x3 *= da_vec;
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x12 = LD_DP(px); px += 2;
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x4 *= da_vec;
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x13 = LD_DP(px); px += 2;
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x5 *= da_vec;
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x14 = LD_DP(px); px += 2;
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x6 *= da_vec;
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x15 = LD_DP(px); px += 2;
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x7 *= da_vec;
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x8 *= da_vec;
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ST_DP(x0, x); x += 2;
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x9 *= da_vec;
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ST_DP(x1, x); x += 2;
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x10 *= da_vec;
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ST_DP(x2, x); x += 2;
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x11 *= da_vec;
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ST_DP(x3, x); x += 2;
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x12 *= da_vec;
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ST_DP(x4, x); x += 2;
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x13 *= da_vec;
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ST_DP(x5, x); x += 2;
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x14 *= da_vec;
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ST_DP(x6, x); x += 2;
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x15 *= da_vec;
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ST_DP(x7, x); x += 2;
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ST_DP(x8, x); x += 2;
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x0 = LD_DP(px); px += 2;
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ST_DP(x9, x); x += 2;
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x1 = LD_DP(px); px += 2;
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ST_DP(x10, x); x += 2;
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x2 = LD_DP(px); px += 2;
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ST_DP(x11, x); x += 2;
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x3 = LD_DP(px); px += 2;
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ST_DP(x12, x); x += 2;
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x4 = LD_DP(px); px += 2;
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ST_DP(x13, x); x += 2;
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x5 = LD_DP(px); px += 2;
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ST_DP(x14, x); x += 2;
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x6 = LD_DP(px); px += 2;
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ST_DP(x15, x); x += 2;
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x7 = LD_DP(px); px += 2;
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}
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x8 = LD_DP(px); px += 2;
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x0 *= da_vec;
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x9 = LD_DP(px); px += 2;
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x1 *= da_vec;
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x10 = LD_DP(px); px += 2;
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x2 *= da_vec;
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x11 = LD_DP(px); px += 2;
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x3 *= da_vec;
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x12 = LD_DP(px); px += 2;
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x4 *= da_vec;
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x13 = LD_DP(px); px += 2;
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x5 *= da_vec;
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x14 = LD_DP(px); px += 2;
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x6 *= da_vec;
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x15 = LD_DP(px); px += 2;
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x7 *= da_vec;
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x8 *= da_vec;
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ST_DP(x0, x); x += 2;
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x9 *= da_vec;
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ST_DP(x1, x); x += 2;
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x10 *= da_vec;
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ST_DP(x2, x); x += 2;
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x11 *= da_vec;
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ST_DP(x3, x); x += 2;
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x12 *= da_vec;
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ST_DP(x4, x); x += 2;
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x13 *= da_vec;
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ST_DP(x5, x); x += 2;
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x15 *= da_vec;
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ST_DP(x6, x); x += 2;
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x14 *= da_vec;
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ST_DP(x7, x); x += 2;
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ST_DP8_INC(x8, x9, x10, x11, x12, x13, x14, x15, x, 2);
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}
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if (n & 31)
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{
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if (n & 16)
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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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MUL4(x0, da_vec, x1, da_vec, x2, da_vec, x3, da_vec, x0, x1, x2, x3);
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MUL4(x4, da_vec, x5, da_vec, x6, da_vec, x7, da_vec, x4, x5, x6, x7);
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ST_DP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, x, 2);
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}
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if (n & 8)
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{
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LD_DP4_INC(px, 2, x0, x1, x2, x3);
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MUL4(x0, da_vec, x1, da_vec, x2, da_vec, x3, da_vec, x0, x1, x2, x3);
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ST_DP4_INC(x0, x1, x2, x3, x, 2);
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}
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if (n & 4)
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{
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LD_DP2_INC(px, 2, x0, x1);
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MUL2(x0, da_vec, x1, da_vec, x0, x1);
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ST_DP2_INC(x0, x1, x, 2);
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}
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if (n & 2)
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{
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LD_GP2_INC(px, 1, f0, f1);
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MUL2(f0, da, f1, da, f0, f1);
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ST_GP2_INC(f0, f1, x, 1);
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}
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if (n & 1)
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{
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*x *= da;
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}
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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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if (da == 0.0)
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{
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for (i = n; i--;)
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{
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*x = 0.0;
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x += inc_x;
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}
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}
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else
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{
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if (n > 15)
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{
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LD_GP8_INC(px, inc_x, f0, f1, f2, f3, f4, f5, f6, f7);
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for (i = 0; i < (n >> 4) - 1; i++)
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{
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LD_GP8_INC(px, inc_x, f8, f9, f10, f11, f12, f13, f14, f15);
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MUL4(f0, da, f1, da, f2, da, f3, da, f0, f1, f2, f3);
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f4 *= da;
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f5 *= da;
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*x = f0; x += inc_x;
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f6 *= da;
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*x = f1; x += inc_x;
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f7 *= da;
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*x = f2; x += inc_x;
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f8 *= da;
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*x = f3; x += inc_x;
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f9 *= da;
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*x = f4; x += inc_x;
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f10 *= da;
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*x = f5; x += inc_x;
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f11 *= da;
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*x = f6; x += inc_x;
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f12 *= da;
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*x = f7; x += inc_x;
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f13 *= da;
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*x = f8; x += inc_x;
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f14 *= da;
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*x = f9; x += inc_x;
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f15 *= da;
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*x = f10; x += inc_x;
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*x = f11; x += inc_x;
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f0 = *px; px += inc_x;
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*x = f12; x += inc_x;
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f1 = *px; px += inc_x;
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*x = f13; x += inc_x;
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f2 = *px; px += inc_x;
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*x = f14; x += inc_x;
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f3 = *px; px += inc_x;
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*x = f15; x += inc_x;
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f4 = *px; px += inc_x;
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f5 = *px; px += inc_x;
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f6 = *px; px += inc_x;
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f7 = *px; px += inc_x;
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}
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LD_GP8_INC(px, inc_x, f8, f9, f10, f11, f12, f13, f14, f15);
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MUL4(f0, da, f1, da, f2, da, f3, da, f0, f1, f2, f3);
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f4 *= da;
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f5 *= da;
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*x = f0; x += inc_x;
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f6 *= da;
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*x = f1; x += inc_x;
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f7 *= da;
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*x = f2; x += inc_x;
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f8 *= da;
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*x = f3; x += inc_x;
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f9 *= da;
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*x = f4; x += inc_x;
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f10 *= da;
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*x = f5; x += inc_x;
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f11 *= da;
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*x = f6; x += inc_x;
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f12 *= da;
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*x = f7; x += inc_x;
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f13 *= da;
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*x = f8; x += inc_x;
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f14 *= da;
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*x = f9; x += inc_x;
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f15 *= da;
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*x = f10; x += inc_x;
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*x = f11; x += inc_x;
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*x = f12; x += inc_x;
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*x = f13; x += inc_x;
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*x = f14; x += inc_x;
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*x = f15; x += inc_x;
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}
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if (n & 15)
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{
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if (n & 8)
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{
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LD_GP8_INC(px, inc_x, f0, f1, f2, f3, f4, f5, f6, f7);
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MUL4(f0, da, f1, da, f2, da, f3, da, f0, f1, f2, f3);
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MUL4(f4, da, f5, da, f6, da, f7, da, f4, f5, f6, f7);
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ST_GP8_INC(f0, f1, f2, f3, f4, f5, f6, f7, x, inc_x);
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}
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if (n & 4)
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{
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LD_GP4_INC(px, inc_x, f0, f1, f2, f3);
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MUL4(f0, da, f1, da, f2, da, f3, da, f0, f1, f2, f3);
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ST_GP4_INC(f0, f1, f2, f3, x, inc_x);
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}
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if (n & 2)
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{
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LD_GP2_INC(px, inc_x, f0, f1);
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MUL2(f0, da, f1, da, f0, f1);
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ST_GP2_INC(f0, f1, x, inc_x);
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}
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if (n & 1)
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{
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*x *= da;
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}
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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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