1120 lines
36 KiB
C
1120 lines
36 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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FLOAT c, FLOAT s)
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{
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BLASLONG i, j;
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FLOAT *px, *py;
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FLOAT tp0, tp1, tp2, tp3, tp4, tp5, tp6, tp7;
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FLOAT fx0, fx1, fx2, fx3, fy0, fy1, fy2, fy3;
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v4f32 x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7;
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v4f32 out0, out1, out2, out3, out4, out5, out6, out7;
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v4f32 out8, out9, out10, out11, out12, out13, out14, out15, c0, s0;
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if (n <= 0) return (0);
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px = x;
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py = y;
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if ((1 == inc_x) && (1 == inc_y))
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{
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if ((0 == c) && (0 == s))
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{
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v4f32 zero = {0.0, 0.0, 0.0, 0.0};
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/* process 4 floats */
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for (j = (n >> 2); j--;)
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{
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ST_SP(zero, px);
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ST_SP(zero, py);
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px += 4;
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py += 4;
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}
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if (n & 2)
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{
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px[0] = 0;
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py[0] = 0;
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px[1] = 0;
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py[1] = 0;
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px += 2;
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py += 2;
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}
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if (n & 1)
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{
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px[0] = 0;
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py[0] = 0;
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}
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}
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else if ((1 == c) && (1 == s))
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{
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if (n >> 5)
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{
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BLASLONG pref_offsetx, pref_offsety;
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pref_offsetx = (BLASLONG)px & (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)py & (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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x0 = LD_SP(px); px += 4;
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x1 = LD_SP(px); px += 4;
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x2 = LD_SP(px); px += 4;
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x3 = LD_SP(px); px += 4;
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y0 = LD_SP(py); py += 4;
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y1 = LD_SP(py); py += 4;
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y2 = LD_SP(py); py += 4;
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y3 = LD_SP(py); py += 4;
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for (j = (n >> 5) - 1; j--;)
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{
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PREFETCH(px + pref_offsetx + 32);
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PREFETCH(px + pref_offsetx + 40);
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PREFETCH(px + pref_offsetx + 48);
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PREFETCH(px + pref_offsetx + 56);
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PREFETCH(py + pref_offsety + 32);
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PREFETCH(py + pref_offsety + 40);
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PREFETCH(py + pref_offsety + 48);
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PREFETCH(py + pref_offsety + 56);
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out0 = x0 + y0;
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x4 = LD_SP(px); px += 4;
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out1 = y0 - x0;
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x5 = LD_SP(px); px += 4;
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out2 = x1 + y1;
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x6 = LD_SP(px); px += 4;
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out3 = y1 - x1;
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x7 = LD_SP(px); px += 4;
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out4 = x2 + y2;
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y4 = LD_SP(py); py += 4;
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out5 = y2 - x2;
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y5 = LD_SP(py); py += 4;
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out6 = x3 + y3;
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y6 = LD_SP(py); py += 4;
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out7 = y3 - x3;
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y7 = LD_SP(py); py += 4;
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ST_SP(out0, x); x += 4;
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out8 = x4 + y4;
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ST_SP(out1, y); y += 4;
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out9 = y4 - x4;
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ST_SP(out2, x); x += 4;
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out10 = x5 + y5;
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ST_SP(out3, y); y += 4;
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out11 = y5 - x5;
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ST_SP(out4, x); x += 4;
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out12 = x6 + y6;
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ST_SP(out5, y); y += 4;
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out13 = y6 - x6;
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ST_SP(out6, x); x += 4;
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out14 = x7 + y7;
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ST_SP(out7, y); y += 4;
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out15 = y7 - x7;
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x0 = LD_SP(px); px += 4;
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ST_SP(out8, x); x += 4;
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x1 = LD_SP(px); px += 4;
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ST_SP(out10, x); x += 4;
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x2 = LD_SP(px); px += 4;
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ST_SP(out12, x); x += 4;
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x3 = LD_SP(px); px += 4;
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ST_SP(out14, x); x += 4;
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y0 = LD_SP(py); py += 4;
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ST_SP(out9, y); y += 4;
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y1 = LD_SP(py); py += 4;
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ST_SP(out11, y); y += 4;
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y2 = LD_SP(py); py += 4;
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ST_SP(out13, y); y += 4;
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y3 = LD_SP(py); py += 4;
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ST_SP(out15, y); y += 4;
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}
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x4 = LD_SP(px); px += 4;
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x5 = LD_SP(px); px += 4;
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x6 = LD_SP(px); px += 4;
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x7 = LD_SP(px); px += 4;
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y4 = LD_SP(py); py += 4;
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y5 = LD_SP(py); py += 4;
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y6 = LD_SP(py); py += 4;
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y7 = LD_SP(py); py += 4;
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out0 = x0 + y0;
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out1 = y0 - x0;
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out2 = x1 + y1;
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out3 = y1 - x1;
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out4 = x2 + y2;
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out5 = y2 - x2;
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out6 = x3 + y3;
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out7 = y3 - x3;
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out8 = x4 + y4;
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out9 = y4 - x4;
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out10 = x5 + y5;
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out11 = y5 - x5;
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out12 = x6 + y6;
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out13 = y6 - x6;
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out14 = x7 + y7;
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out15 = y7 - x7;
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ST_SP8_INC(out0, out2, out4, out6, out8, out10, out12, out14, x, 4);
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ST_SP8_INC(out1, out3, out5, out7, out9, out11, out13, out15, y, 4);
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}
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if (n & 16)
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{
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LD_SP4_INC(px, 4, x0, x1, x2, x3);
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LD_SP4_INC(py, 4, y0, y1, y2, y3);
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out0 = x0 + y0;
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out1 = y0 - x0;
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out2 = x1 + y1;
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out3 = y1 - x1;
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out4 = x2 + y2;
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out5 = y2 - x2;
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out6 = x3 + y3;
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out7 = y3 - x3;
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ST_SP4_INC(out0, out2, out4, out6, x, 4);
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ST_SP4_INC(out1, out3, out5, out7, y, 4);
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}
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if (n & 8)
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{
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LD_SP2_INC(px, 4, x0, x1);
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LD_SP2_INC(py, 4, y0, y1);
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out0 = x0 + y0;
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out1 = y0 - x0;
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out2 = x1 + y1;
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out3 = y1 - x1;
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ST_SP2_INC(out0, out2, x, 4);
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ST_SP2_INC(out1, out3, y, 4);
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}
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if (n & 4)
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{
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x0 = LD_SP(px);
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y0 = LD_SP(py);
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px += 4;
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py += 4;
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out0 = x0 + y0;
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out1 = y0 - x0;
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ST_SP(out0, x);
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ST_SP(out1, y);
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x += 4;
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y += 4;
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}
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if (n & 2)
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{
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LD_GP2_INC(px, 1, fx0, fx1);
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LD_GP2_INC(py, 1, fy0, fy1);
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tp0 = fx0 + fy0;
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tp1 = fy0 - fx0;
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tp2 = fx1 + fy1;
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tp3 = fy1 - fx1;
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ST_GP2_INC(tp0, tp2, x, 1);
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ST_GP2_INC(tp1, tp3, y, 1);
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}
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if (n & 1)
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{
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fx0 = *px;
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fy0 = *py;
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tp0 = fx0 + fy0;
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tp1 = fy0 - fx0;
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*x = tp0;
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*y = tp1;
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}
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}
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else if (0 == s)
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{
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c0 = COPY_FLOAT_TO_VECTOR(c);
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if (n >> 5)
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{
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BLASLONG pref_offsetx, pref_offsety;
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pref_offsetx = (BLASLONG)px & (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)py & (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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LD_SP8_INC(px, 4, x0, x1, x2, x3, x4, x5, x6, x7);
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for (j = (n >> 5) - 1; j--;)
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{
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PREFETCH(px + pref_offsetx + 32);
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PREFETCH(px + pref_offsetx + 40);
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PREFETCH(px + pref_offsetx + 48);
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PREFETCH(px + pref_offsetx + 56);
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PREFETCH(py + pref_offsety + 32);
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PREFETCH(py + pref_offsety + 40);
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PREFETCH(py + pref_offsety + 48);
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PREFETCH(py + pref_offsety + 56);
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y0 = LD_SP(py); py += 4;
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x0 *= c0;
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y1 = LD_SP(py); py += 4;
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x1 *= c0;
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y2 = LD_SP(py); py += 4;
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x2 *= c0;
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y3 = LD_SP(py); py += 4;
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x3 *= c0;
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y4 = LD_SP(py); py += 4;
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x4 *= c0;
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y5 = LD_SP(py); py += 4;
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x5 *= c0;
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y6 = LD_SP(py); py += 4;
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x6 *= c0;
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y7 = LD_SP(py); py += 4;
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x7 *= c0;
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ST_SP(x0, x); x += 4;
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y0 *= c0;
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ST_SP(x1, x); x += 4;
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y1 *= c0;
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ST_SP(x2, x); x += 4;
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y2 *= c0;
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ST_SP(x3, x); x += 4;
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y3 *= c0;
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ST_SP(x4, x); x += 4;
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y4 *= c0;
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ST_SP(x5, x); x += 4;
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y5 *= c0;
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ST_SP(x6, x); x += 4;
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y6 *= c0;
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ST_SP(x7, x); x += 4;
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y7 *= c0;
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x0 = LD_SP(px); px += 4;
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ST_SP(y0, y); y += 4;
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x1 = LD_SP(px); px += 4;
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ST_SP(y1, y); y += 4;
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x2 = LD_SP(px); px += 4;
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ST_SP(y2, y); y += 4;
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x3 = LD_SP(px); px += 4;
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ST_SP(y3, y); y += 4;
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x4 = LD_SP(px); px += 4;
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ST_SP(y4, y); y += 4;
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x5 = LD_SP(px); px += 4;
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ST_SP(y5, y); y += 4;
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x6 = LD_SP(px); px += 4;
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ST_SP(y6, y); y += 4;
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x7 = LD_SP(px); px += 4;
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ST_SP(y7, y); y += 4;
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}
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LD_SP8_INC(py, 4, y0, y1, y2, y3, y4, y5, y6, y7);
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x0 *= c0;
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y0 *= c0;
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x1 *= c0;
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y1 *= c0;
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x2 *= c0;
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y2 *= c0;
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x3 *= c0;
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y3 *= c0;
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x4 *= c0;
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y4 *= c0;
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x5 *= c0;
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y5 *= c0;
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x6 *= c0;
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y6 *= c0;
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x7 *= c0;
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y7 *= c0;
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ST_SP8_INC(x0, x1, x2, x3, x4, x5, x6, x7, x, 4);
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ST_SP8_INC(y0, y1, y2, y3, y4, y5, y6, y7, y, 4);
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}
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if (n & 16)
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{
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LD_SP4_INC(px, 4, x0, x1, x2, x3);
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LD_SP4_INC(py, 4, y0, y1, y2, y3);
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x0 *= c0;
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y0 *= c0;
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x1 *= c0;
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y1 *= c0;
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x2 *= c0;
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y2 *= c0;
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x3 *= c0;
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y3 *= c0;
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ST_SP4_INC(x0, x1, x2, x3, x, 4);
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ST_SP4_INC(y0, y1, y2, y3, y, 4);
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}
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if (n & 8)
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{
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LD_SP2_INC(px, 4, x0, x1);
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LD_SP2_INC(py, 4, y0, y1);
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|
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x0 *= c0;
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y0 *= c0;
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x1 *= c0;
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y1 *= c0;
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ST_SP2_INC(x0, x1, x, 4);
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ST_SP2_INC(y0, y1, y, 4);
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}
|
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if (n & 4)
|
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{
|
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x0 = LD_SP(px);
|
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y0 = LD_SP(py);
|
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px += 4;
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py += 4;
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x0 *= c0;
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y0 *= c0;
|
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ST_SP(x0, x);
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ST_SP(y0, y);
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x += 4;
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y += 4;
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}
|
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if (n & 2)
|
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{
|
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LD_GP2_INC(px, 1, fx0, fx1);
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LD_GP2_INC(py, 1, fy0, fy1);
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tp0 = (c * fx0);
|
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tp1 = (c * fy0);
|
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tp2 = (c * fx1);
|
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tp3 = (c * fy1);
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ST_GP2_INC(tp0, tp2, x, 1);
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ST_GP2_INC(tp1, tp3, y, 1);
|
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}
|
|
if (n & 1)
|
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{
|
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fx0 = *px;
|
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fy0 = *py;
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|
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tp0 = (c * fx0);
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tp1 = (c * fy0);
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*x = tp0;
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*y = tp1;
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}
|
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}
|
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else if (0 == c)
|
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{
|
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s0 = COPY_FLOAT_TO_VECTOR(s);
|
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|
|
/* process 16 floats */
|
|
if (n >> 5)
|
|
{
|
|
BLASLONG pref_offsetx, pref_offsety;
|
|
|
|
pref_offsetx = (BLASLONG)px & (L1_DATA_LINESIZE - 1);
|
|
if (pref_offsetx > 0)
|
|
{
|
|
pref_offsetx = L1_DATA_LINESIZE - pref_offsetx;
|
|
pref_offsetx = pref_offsetx / sizeof(FLOAT);
|
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}
|
|
|
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pref_offsety = (BLASLONG)py & (L1_DATA_LINESIZE - 1);
|
|
if (pref_offsety > 0)
|
|
{
|
|
pref_offsety = L1_DATA_LINESIZE - pref_offsety;
|
|
pref_offsety = pref_offsety / sizeof(FLOAT);
|
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}
|
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|
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LD_SP4_INC(px, 4, x0, x1, x2, x3);
|
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LD_SP4_INC(py, 4, y0, y1, y2, y3);
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|
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for (j = (n >> 5) - 1; j--;)
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{
|
|
PREFETCH(px + pref_offsetx + 32);
|
|
PREFETCH(px + pref_offsetx + 40);
|
|
PREFETCH(px + pref_offsetx + 48);
|
|
PREFETCH(px + pref_offsetx + 56);
|
|
|
|
PREFETCH(py + pref_offsety + 32);
|
|
PREFETCH(py + pref_offsety + 40);
|
|
PREFETCH(py + pref_offsety + 48);
|
|
PREFETCH(py + pref_offsety + 56);
|
|
|
|
x4 = LD_SP(px); px += 4;
|
|
out0 = s0 * y0;
|
|
x5 = LD_SP(px); px += 4;
|
|
out2 = s0 * y1;
|
|
x6 = LD_SP(px); px += 4;
|
|
out4 = s0 * y2;
|
|
x7 = LD_SP(px); px += 4;
|
|
out6 = s0 * y3;
|
|
y4 = LD_SP(py); py += 4;
|
|
out1 = -(s0 * x0);
|
|
y5 = LD_SP(py); py += 4;
|
|
out3 = -(s0 * x1);
|
|
y6 = LD_SP(py); py += 4;
|
|
out5 = -(s0 * x2);
|
|
y7 = LD_SP(py); py += 4;
|
|
out7 = -(s0 * x3);
|
|
|
|
ST_SP(out0, x); x += 4;
|
|
out0 = s0 * y4;
|
|
ST_SP(out2, x); x += 4;
|
|
out2 = s0 * y5;
|
|
ST_SP(out4, x); x += 4;
|
|
out4 = s0 * y6;
|
|
ST_SP(out6, x); x += 4;
|
|
out6 = s0 * y7;
|
|
ST_SP(out1, y); y += 4;
|
|
out1 = -(s0 * x4);
|
|
ST_SP(out3, y); y += 4;
|
|
out3 = -(s0 * x5);
|
|
ST_SP(out5, y); y += 4;
|
|
out5 = -(s0 * x6);
|
|
ST_SP(out7, y); y += 4;
|
|
out7 = -(s0 * x7);
|
|
|
|
x0 = LD_SP(px); px += 4;
|
|
ST_SP(out0, x); x += 4;
|
|
x1 = LD_SP(px); px += 4;
|
|
ST_SP(out2, x); x += 4;
|
|
x2 = LD_SP(px); px += 4;
|
|
ST_SP(out4, x); x += 4;
|
|
x3 = LD_SP(px); px += 4;
|
|
ST_SP(out6, x); x += 4;
|
|
y0 = LD_SP(py); py += 4;
|
|
ST_SP(out1, y); y += 4;
|
|
y1 = LD_SP(py); py += 4;
|
|
ST_SP(out3, y); y += 4;
|
|
y2 = LD_SP(py); py += 4;
|
|
ST_SP(out5, y); y += 4;
|
|
y3 = LD_SP(py); py += 4;
|
|
ST_SP(out7, y); y += 4;
|
|
|
|
}
|
|
|
|
out0 = s0 * y0;
|
|
out2 = s0 * y1;
|
|
out4 = s0 * y2;
|
|
out6 = s0 * y3;
|
|
out1 = -(s0 * x0);
|
|
out3 = -(s0 * x1);
|
|
out5 = -(s0 * x2);
|
|
out7 = -(s0 * x3);
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
|
|
LD_SP4_INC(px, 4, x4, x5, x6, x7);
|
|
LD_SP4_INC(py, 4, y4, y5, y6, y7);
|
|
|
|
out0 = s0 * y4;
|
|
out2 = s0 * y5;
|
|
out4 = s0 * y6;
|
|
out6 = s0 * y7;
|
|
out1 = -(s0 * x4);
|
|
out3 = -(s0 * x5);
|
|
out5 = -(s0 * x6);
|
|
out7 = -(s0 * x7);
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
}
|
|
if (n & 16)
|
|
{
|
|
LD_SP4_INC(px, 4, x0, x1, x2, x3);
|
|
LD_SP4_INC(py, 4, y0, y1, y2, y3);
|
|
|
|
out0 = s0 * y0;
|
|
out1 = - (s0 * x0);
|
|
out2 = s0 * y1;
|
|
out3 = - (s0 * x1);
|
|
out4 = s0 * y2;
|
|
out5 = - (s0 * x2);
|
|
out6 = s0 * y3;
|
|
out7 = - (s0 * x3);
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
}
|
|
if (n & 8)
|
|
{
|
|
LD_SP2_INC(px, 4, x0, x1);
|
|
LD_SP2_INC(py, 4, y0, y1);
|
|
|
|
out0 = s0 * y0;
|
|
out1 = - (s0 * x0);
|
|
out2 = s0 * y1;
|
|
out3 = - (s0 * x1);
|
|
|
|
ST_SP2_INC(out0, out2, x, 4);
|
|
ST_SP2_INC(out1, out3, y, 4);
|
|
}
|
|
if (n & 4)
|
|
{
|
|
x0 = LD_SP(px); px += 4;
|
|
y0 = LD_SP(py); py += 4;
|
|
|
|
out0 = s0 * y0;
|
|
out1 = - (s0 * x0);
|
|
|
|
ST_SP(out0, x); x += 4;
|
|
ST_SP(out1, y); y += 4;
|
|
}
|
|
if (n & 2)
|
|
{
|
|
LD_GP2_INC(px, 1, fx0, fx1);
|
|
LD_GP2_INC(py, 1, fy0, fy1);
|
|
|
|
tp0 = s * fy0;
|
|
tp1 = - (s * fx0);
|
|
tp2 = s * fy1;
|
|
tp3 = - (s * fx1);
|
|
|
|
ST_GP2_INC(tp0, tp2, x, 1);
|
|
ST_GP2_INC(tp1, tp3, y, 1);
|
|
}
|
|
if (n & 1)
|
|
{
|
|
fx0 = *px;
|
|
fy0 = *py;
|
|
|
|
tp0 = s * fy0;
|
|
tp1 = - (s * fx0);
|
|
|
|
*x = tp0;
|
|
*y = tp1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
c0 = COPY_FLOAT_TO_VECTOR(c);
|
|
s0 = COPY_FLOAT_TO_VECTOR(s);
|
|
|
|
/* process 16 floats */
|
|
if (n >> 5)
|
|
{
|
|
BLASLONG pref_offsetx, pref_offsety;
|
|
|
|
pref_offsetx = (BLASLONG)px & (L1_DATA_LINESIZE - 1);
|
|
if (pref_offsetx > 0)
|
|
{
|
|
pref_offsetx = L1_DATA_LINESIZE - pref_offsetx;
|
|
pref_offsetx = pref_offsetx / sizeof(FLOAT);
|
|
}
|
|
|
|
pref_offsety = (BLASLONG)py & (L1_DATA_LINESIZE - 1);
|
|
if (pref_offsety > 0)
|
|
{
|
|
pref_offsety = L1_DATA_LINESIZE - pref_offsety;
|
|
pref_offsety = pref_offsety / sizeof(FLOAT);
|
|
}
|
|
|
|
LD_SP4_INC(px, 4, x0, x1, x2, x3);
|
|
LD_SP4_INC(py, 4, y0, y1, y2, y3);
|
|
|
|
for (j = (n >> 5) - 1; j--;)
|
|
{
|
|
PREFETCH(px + pref_offsetx + 32);
|
|
PREFETCH(px + pref_offsetx + 40);
|
|
PREFETCH(px + pref_offsetx + 48);
|
|
PREFETCH(px + pref_offsetx + 56);
|
|
PREFETCH(py + pref_offsety + 32);
|
|
PREFETCH(py + pref_offsety + 40);
|
|
PREFETCH(py + pref_offsety + 48);
|
|
PREFETCH(py + pref_offsety + 56);
|
|
|
|
x4 = LD_SP(px); px += 4;
|
|
out0 = c0 * x0;
|
|
x5 = LD_SP(px); px += 4;
|
|
out2 = c0 * x1;
|
|
x6 = LD_SP(px); px += 4;
|
|
out4 = c0 * x2;
|
|
x7 = LD_SP(px); px += 4;
|
|
out6 = c0 * x3;
|
|
y4 = LD_SP(py); py += 4;
|
|
out1 = c0 * y0;
|
|
y5 = LD_SP(py); py += 4;
|
|
out3 = c0 * y1;
|
|
y6 = LD_SP(py); py += 4;
|
|
out5 = c0 * y2;
|
|
y7 = LD_SP(py); py += 4;
|
|
out7 = c0 * y3;
|
|
|
|
out0 += s0 * y0;
|
|
out2 += s0 * y1;
|
|
out4 += s0 * y2;
|
|
out6 += s0 * y3;
|
|
out1 -= s0 * x0;
|
|
out3 -= s0 * x1;
|
|
out5 -= s0 * x2;
|
|
out7 -= s0 * x3;
|
|
|
|
ST_SP(out0, x); x += 4;
|
|
out0 = c0 * x4;
|
|
ST_SP(out2, x); x += 4;
|
|
out2 = c0 * x5;
|
|
ST_SP(out4, x); x += 4;
|
|
out4 = c0 * x6;
|
|
ST_SP(out6, x); x += 4;
|
|
out6 = c0 * x7;
|
|
ST_SP(out1, y); y += 4;
|
|
out1 = c0 * y4;
|
|
ST_SP(out3, y); y += 4;
|
|
out3 = c0 * y5;
|
|
ST_SP(out5, y); y += 4;
|
|
out5 = c0 * y6;
|
|
ST_SP(out7, y); y += 4;
|
|
out7 = c0 * y7;
|
|
|
|
x0 = LD_SP(px); px += 4;
|
|
out0 += s0 * y4;
|
|
x1 = LD_SP(px); px += 4;
|
|
out2 += s0 * y5;
|
|
x2 = LD_SP(px); px += 4;
|
|
out4 += s0 * y6;
|
|
x3 = LD_SP(px); px += 4;
|
|
out6 += s0 * y7;
|
|
y0 = LD_SP(py); py += 4;
|
|
out1 -= s0 * x4;
|
|
y1 = LD_SP(py); py += 4;
|
|
out3 -= s0 * x5;
|
|
y2 = LD_SP(py); py += 4;
|
|
out5 -= s0 * x6;
|
|
y3 = LD_SP(py); py += 4;
|
|
out7 -= s0 * x7;
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
}
|
|
|
|
out0 = c0 * x0;
|
|
out2 = c0 * x1;
|
|
out4 = c0 * x2;
|
|
out6 = c0 * x3;
|
|
out1 = c0 * y0;
|
|
out3 = c0 * y1;
|
|
out5 = c0 * y2;
|
|
out7 = c0 * y3;
|
|
|
|
out0 += s0 * y0;
|
|
out2 += s0 * y1;
|
|
out4 += s0 * y2;
|
|
out6 += s0 * y3;
|
|
out1 -= s0 * x0;
|
|
out3 -= s0 * x1;
|
|
out5 -= s0 * x2;
|
|
out7 -= s0 * x3;
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
|
|
LD_SP4_INC(px, 4, x4, x5, x6, x7);
|
|
LD_SP4_INC(py, 4, y4, y5, y6, y7);
|
|
|
|
out0 = c0 * x4;
|
|
out2 = c0 * x5;
|
|
out4 = c0 * x6;
|
|
out6 = c0 * x7;
|
|
out1 = c0 * y4;
|
|
out3 = c0 * y5;
|
|
out5 = c0 * y6;
|
|
out7 = c0 * y7;
|
|
|
|
out0 += s0 * y4;
|
|
out2 += s0 * y5;
|
|
out4 += s0 * y6;
|
|
out6 += s0 * y7;
|
|
out1 -= s0 * x4;
|
|
out3 -= s0 * x5;
|
|
out5 -= s0 * x6;
|
|
out7 -= s0 * x7;
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
}
|
|
if (n & 16)
|
|
{
|
|
LD_SP4_INC(px, 4, x0, x1, x2, x3);
|
|
LD_SP4_INC(py, 4, y0, y1, y2, y3);
|
|
|
|
out0 = (c0 * x0) + (s0 * y0);
|
|
out1 = (c0 * y0) - (s0 * x0);
|
|
out2 = (c0 * x1) + (s0 * y1);
|
|
out3 = (c0 * y1) - (s0 * x1);
|
|
out4 = (c0 * x2) + (s0 * y2);
|
|
out5 = (c0 * y2) - (s0 * x2);
|
|
out6 = (c0 * x3) + (s0 * y3);
|
|
out7 = (c0 * y3) - (s0 * x3);
|
|
|
|
ST_SP4_INC(out0, out2, out4, out6, x, 4);
|
|
ST_SP4_INC(out1, out3, out5, out7, y, 4);
|
|
}
|
|
if (n & 8)
|
|
{
|
|
LD_SP2_INC(px, 4, x0, x1);
|
|
LD_SP2_INC(py, 4, y0, y1);
|
|
|
|
out0 = (c0 * x0) + (s0 * y0);
|
|
out1 = (c0 * y0) - (s0 * x0);
|
|
out2 = (c0 * x1) + (s0 * y1);
|
|
out3 = (c0 * y1) - (s0 * x1);
|
|
|
|
ST_SP2_INC(out0, out2, x, 4);
|
|
ST_SP2_INC(out1, out3, y, 4);
|
|
}
|
|
if (n & 4)
|
|
{
|
|
x0 = LD_SP(px);
|
|
y0 = LD_SP(py);
|
|
px += 4;
|
|
py += 4;
|
|
|
|
out0 = (c0 * x0) + (s0 * y0);
|
|
out1 = (c0 * y0) - (s0 * x0);
|
|
|
|
ST_SP(out0, x);
|
|
ST_SP(out1, y);
|
|
x += 4;
|
|
y += 4;
|
|
}
|
|
if (n & 2)
|
|
{
|
|
LD_GP2_INC(px, 1, fx0, fx1);
|
|
LD_GP2_INC(py, 1, fy0, fy1);
|
|
|
|
tp0 = (c * fx0) + (s * fy0);
|
|
tp1 = (c * fy0) - (s * fx0);
|
|
tp2 = (c * fx1) + (s * fy1);
|
|
tp3 = (c * fy1) - (s * fx1);
|
|
|
|
ST_GP2_INC(tp0, tp2, x, 1);
|
|
ST_GP2_INC(tp1, tp3, y, 1);
|
|
}
|
|
if (n & 1)
|
|
{
|
|
fx0 = *px;
|
|
fy0 = *py;
|
|
|
|
tp0 = (c * fx0) + (s * fy0);
|
|
tp1 = (c * fy0) - (s * fx0);
|
|
|
|
*x = tp0;
|
|
*y = tp1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((0 == c) && (0 == s))
|
|
{
|
|
for (i = n; i--;)
|
|
{
|
|
*x = 0;
|
|
*y = 0;
|
|
x += inc_x;
|
|
y += inc_y;
|
|
}
|
|
}
|
|
else if ((1 == c) && (1 == s))
|
|
{
|
|
if (n >> 2)
|
|
{
|
|
fx0 = *px; px += inc_x;
|
|
fx1 = *px; px += inc_x;
|
|
fx2 = *px; px += inc_x;
|
|
fx3 = *px; px += inc_x;
|
|
fy0 = *py; py += inc_y;
|
|
fy1 = *py; py += inc_y;
|
|
fy2 = *py; py += inc_y;
|
|
fy3 = *py; py += inc_y;
|
|
|
|
for (i = (n >> 2) -1; i--;)
|
|
{
|
|
tp0 = fx0 + fy0;
|
|
tp1 = fy0 - fx0;
|
|
tp2 = fx1 + fy1;
|
|
tp3 = fy1 - fx1;
|
|
tp4 = fx2 + fy2;
|
|
tp5 = fy2 - fx2;
|
|
tp6 = fx3 + fy3;
|
|
tp7 = fy3 - fx3;
|
|
|
|
fx0 = *px; px += inc_x;
|
|
*x = tp0; x += inc_x;
|
|
fx1 = *px; px += inc_x;
|
|
*x = tp2; x += inc_x;
|
|
fx2 = *px; px += inc_x;
|
|
*x = tp4; x += inc_x;
|
|
fx3 = *px; px += inc_x;
|
|
*x = tp6; x += inc_x;
|
|
fy0 = *py; py += inc_y;
|
|
*y = tp1; y += inc_y;
|
|
fy1 = *py; py += inc_y;
|
|
*y = tp3; y += inc_y;
|
|
fy2 = *py; py += inc_y;
|
|
*y = tp5; y += inc_y;
|
|
fy3 = *py; py += inc_y;
|
|
*y = tp7; y += inc_y;
|
|
}
|
|
|
|
tp0 = fx0 + fy0;
|
|
tp1 = fy0 - fx0;
|
|
tp2 = fx1 + fy1;
|
|
tp3 = fy1 - fx1;
|
|
tp4 = fx2 + fy2;
|
|
tp5 = fy2 - fx2;
|
|
tp6 = fx3 + fy3;
|
|
tp7 = fy3 - fx3;
|
|
|
|
*x = tp0; x += inc_x;
|
|
*x = tp2; x += inc_x;
|
|
*x = tp4; x += inc_x;
|
|
*x = tp6; x += inc_x;
|
|
*y = tp1; y += inc_y;
|
|
*y = tp3; y += inc_y;
|
|
*y = tp5; y += inc_y;
|
|
*y = tp7; y += inc_y;
|
|
}
|
|
|
|
if (n & 2)
|
|
{
|
|
LD_GP2_INC(px, inc_x, fx0, fx1);
|
|
LD_GP2_INC(py, inc_y, fy0, fy1);
|
|
|
|
tp0 = fx0 + fy0;
|
|
tp1 = fy0 - fx0;
|
|
tp2 = fx1 + fy1;
|
|
tp3 = fy1 - fx1;
|
|
|
|
ST_GP2_INC(tp0, tp2, x, inc_x);
|
|
ST_GP2_INC(tp1, tp3, y, inc_y);
|
|
}
|
|
if (n & 1)
|
|
{
|
|
fx0 = *px;
|
|
fy0 = *py;
|
|
|
|
tp0 = fx0 + fy0;
|
|
tp1 = fy0 - fx0;
|
|
|
|
*x = tp0;
|
|
*y = tp1;
|
|
}
|
|
}
|
|
else if (0 == s)
|
|
{
|
|
if (n >> 2)
|
|
{
|
|
fx0 = *px; px += inc_x;
|
|
fx1 = *px; px += inc_x;
|
|
fx2 = *px; px += inc_x;
|
|
fx3 = *px; px += inc_x;
|
|
fy0 = *py; py += inc_y;
|
|
fy1 = *py; py += inc_y;
|
|
fy2 = *py; py += inc_y;
|
|
fy3 = *py; py += inc_y;
|
|
|
|
for (i = (n >> 2) - 1; i--;)
|
|
{
|
|
tp0 = c * fx0;
|
|
tp1 = c * fy0;
|
|
tp2 = c * fx1;
|
|
tp3 = c * fy1;
|
|
tp4 = c * fx2;
|
|
tp5 = c * fy2;
|
|
tp6 = c * fx3;
|
|
tp7 = c * fy3;
|
|
|
|
fx0 = *px; px += inc_x;
|
|
*x = tp0; x += inc_x;
|
|
fx1 = *px; px += inc_x;
|
|
*x = tp2; x += inc_x;
|
|
fx2 = *px; px += inc_x;
|
|
*x = tp4; x += inc_x;
|
|
fx3 = *px; px += inc_x;
|
|
*x = tp6; x += inc_x;
|
|
fy0 = *py; py += inc_y;
|
|
*y = tp1; y += inc_y;
|
|
fy1 = *py; py += inc_y;
|
|
*y = tp3; y += inc_y;
|
|
fy2 = *py; py += inc_y;
|
|
*y = tp5; y += inc_y;
|
|
fy3 = *py; py += inc_y;
|
|
*y = tp7; y += inc_y;
|
|
}
|
|
|
|
tp0 = c * fx0;
|
|
tp1 = c * fy0;
|
|
tp2 = c * fx1;
|
|
tp3 = c * fy1;
|
|
tp4 = c * fx2;
|
|
tp5 = c * fy2;
|
|
tp6 = c * fx3;
|
|
tp7 = c * fy3;
|
|
|
|
*x = tp0; x += inc_x;
|
|
*x = tp2; x += inc_x;
|
|
*x = tp4; x += inc_x;
|
|
*x = tp6; x += inc_x;
|
|
*y = tp1; y += inc_y;
|
|
*y = tp3; y += inc_y;
|
|
*y = tp5; y += inc_y;
|
|
*y = tp7; y += inc_y;
|
|
}
|
|
if (n & 2)
|
|
{
|
|
LD_GP2_INC(px, inc_x, fx0, fx1);
|
|
LD_GP2_INC(py, inc_y, fy0, fy1);
|
|
|
|
tp0 = c * fx0;
|
|
tp1 = c * fy0;
|
|
tp2 = c * fx1;
|
|
tp3 = c * fy1;
|
|
|
|
ST_GP2_INC(tp0, tp2, x, inc_x);
|
|
ST_GP2_INC(tp1, tp3, y, inc_y);
|
|
}
|
|
if (n & 1)
|
|
{
|
|
fx0 = *px;
|
|
fy0 = *py;
|
|
|
|
tp0 = c * fx0;
|
|
tp1 = c * fy0;
|
|
|
|
*x = tp0;
|
|
*y = tp1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (n >> 2)
|
|
{
|
|
fx0 = *px; px += inc_x;
|
|
fx1 = *px; px += inc_x;
|
|
fx2 = *px; px += inc_x;
|
|
fx3 = *px; px += inc_x;
|
|
fy0 = *py; py += inc_y;
|
|
fy1 = *py; py += inc_y;
|
|
fy2 = *py; py += inc_y;
|
|
fy3 = *py; py += inc_y;
|
|
|
|
for (i = (n >> 2) - 1; i--;)
|
|
{
|
|
tp0 = c * fx0 + s * fy0;
|
|
tp1 = c * fy0 - s * fx0;
|
|
tp2 = c * fx1 + s * fy1;
|
|
tp3 = c * fy1 - s * fx1;
|
|
tp4 = c * fx2 + s * fy2;
|
|
tp5 = c * fy2 - s * fx2;
|
|
tp6 = c * fx3 + s * fy3;
|
|
tp7 = c * fy3 - s * fx3;
|
|
|
|
fx0 = *px; px += inc_x;
|
|
*x = tp0; x += inc_x;
|
|
fx1 = *px; px += inc_x;
|
|
*x = tp2; x += inc_x;
|
|
fx2 = *px; px += inc_x;
|
|
*x = tp4; x += inc_x;
|
|
fx3 = *px; px += inc_x;
|
|
*x = tp6; x += inc_x;
|
|
fy0 = *py; py += inc_y;
|
|
*y = tp1; y += inc_y;
|
|
fy1 = *py; py += inc_y;
|
|
*y = tp3; y += inc_y;
|
|
fy2 = *py; py += inc_y;
|
|
*y = tp5; y += inc_y;
|
|
fy3 = *py; py += inc_y;
|
|
*y = tp7; y += inc_y;
|
|
}
|
|
|
|
tp0 = c * fx0 + s * fy0;
|
|
tp1 = c * fy0 - s * fx0;
|
|
tp2 = c * fx1 + s * fy1;
|
|
tp3 = c * fy1 - s * fx1;
|
|
tp4 = c * fx2 + s * fy2;
|
|
tp5 = c * fy2 - s * fx2;
|
|
tp6 = c * fx3 + s * fy3;
|
|
tp7 = c * fy3 - s * fx3;
|
|
|
|
*x = tp0; x += inc_x;
|
|
*x = tp2; x += inc_x;
|
|
*x = tp4; x += inc_x;
|
|
*x = tp6; x += inc_x;
|
|
*y = tp1; y += inc_y;
|
|
*y = tp3; y += inc_y;
|
|
*y = tp5; y += inc_y;
|
|
*y = tp7; y += inc_y;
|
|
}
|
|
if (n & 2)
|
|
{
|
|
LD_GP2_INC(px, inc_x, fx0, fx1);
|
|
LD_GP2_INC(py, inc_y, fy0, fy1);
|
|
|
|
tp0 = c * fx0 + s * fy0;
|
|
tp1 = c * fy0 - s * fx0;
|
|
tp2 = c * fx1 + s * fy1;
|
|
tp3 = c * fy1 - s * fx1;
|
|
|
|
ST_GP2_INC(tp0, tp2, x, inc_x);
|
|
ST_GP2_INC(tp1, tp3, y, inc_y);
|
|
}
|
|
if (n & 1)
|
|
{
|
|
fx0 = *px;
|
|
fy0 = *py;
|
|
|
|
tp0 = c * fx0 + s * fy0;
|
|
tp1 = c * fy0 - s * fx0;
|
|
|
|
*x = tp0;
|
|
*y = tp1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|