490 lines
10 KiB
C
490 lines
10 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include <stdio.h>
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#include "common.h"
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int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG posX, BLASLONG posY, FLOAT *b){
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BLASLONG i, js;
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BLASLONG X;
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FLOAT data01, data02, data03, data04, data05, data06, data07, data08;
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FLOAT data09, data10, data11, data12, data13, data14, data15, data16;
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FLOAT *ao1, *ao2, *ao3, *ao4;
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js = (n >> 2);
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if (js > 0){
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do {
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X = posX;
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if (posX <= posY) {
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ao1 = a + posX + (posY + 0) * lda;
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ao2 = a + posX + (posY + 1) * lda;
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ao3 = a + posX + (posY + 2) * lda;
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ao4 = a + posX + (posY + 3) * lda;
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} else {
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ao1 = a + posY + (posX + 0) * lda;
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ao2 = a + posY + (posX + 1) * lda;
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ao3 = a + posY + (posX + 2) * lda;
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ao4 = a + posY + (posX + 3) * lda;
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}
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i = (m >> 2);
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if (i > 0) {
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do {
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if (X < posY) {
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data01 = *(ao1 + 0);
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data02 = *(ao1 + 1);
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data03 = *(ao1 + 2);
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data04 = *(ao1 + 3);
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data05 = *(ao2 + 0);
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data06 = *(ao2 + 1);
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data07 = *(ao2 + 2);
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data08 = *(ao2 + 3);
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data09 = *(ao3 + 0);
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data10 = *(ao3 + 1);
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data11 = *(ao3 + 2);
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data12 = *(ao3 + 3);
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data13 = *(ao4 + 0);
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data14 = *(ao4 + 1);
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data15 = *(ao4 + 2);
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data16 = *(ao4 + 3);
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b[ 0] = data01;
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b[ 1] = data05;
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b[ 2] = data09;
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b[ 3] = data13;
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b[ 4] = data02;
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b[ 5] = data06;
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b[ 6] = data10;
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b[ 7] = data14;
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b[ 8] = data03;
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b[ 9] = data07;
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b[10] = data11;
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b[11] = data15;
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b[12] = data04;
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b[13] = data08;
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b[14] = data12;
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b[15] = data16;
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ao1 += 4;
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ao2 += 4;
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ao3 += 4;
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ao4 += 4;
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b += 16;
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} else
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if (X > posY) {
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ao1 += 4 * lda;
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ao2 += 4 * lda;
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ao3 += 4 * lda;
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ao4 += 4 * lda;
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b += 16;
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} else {
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#ifdef UNIT
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data05 = *(ao2 + 0);
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data09 = *(ao3 + 0);
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data10 = *(ao3 + 1);
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data13 = *(ao4 + 0);
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data14 = *(ao4 + 1);
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data15 = *(ao4 + 2);
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b[ 0] = ONE;
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b[ 1] = data05;
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b[ 2] = data09;
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b[ 3] = data13;
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b[ 4] = ZERO;
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b[ 5] = ONE;
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b[ 6] = data10;
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b[ 7] = data14;
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b[ 8] = ZERO;
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b[ 9] = ZERO;
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b[10] = ONE;
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b[11] = data15;
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b[12] = ZERO;
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b[13] = ZERO;
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b[14] = ZERO;
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b[15] = ONE;
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#else
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data01 = *(ao1 + 0);
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data05 = *(ao2 + 0);
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data06 = *(ao2 + 1);
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data09 = *(ao3 + 0);
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data10 = *(ao3 + 1);
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data11 = *(ao3 + 2);
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data13 = *(ao4 + 0);
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data14 = *(ao4 + 1);
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data15 = *(ao4 + 2);
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data16 = *(ao4 + 3);
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b[ 0] = data01;
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b[ 1] = data05;
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b[ 2] = data09;
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b[ 3] = data13;
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b[ 4] = ZERO;
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b[ 5] = data06;
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b[ 6] = data10;
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b[ 7] = data14;
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b[ 8] = ZERO;
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b[ 9] = ZERO;
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b[10] = data11;
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b[11] = data15;
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b[12] = ZERO;
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b[13] = ZERO;
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b[14] = ZERO;
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b[15] = data16;
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#endif
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ao1 += 4;
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ao2 += 4;
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ao3 += 4;
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ao4 += 4;
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b += 16;
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}
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X += 4;
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i --;
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} while (i > 0);
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}
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i = (m & 3);
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if (i) {
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if (X < posY) {
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if (m & 2) {
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data01 = *(ao1 + 0);
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data02 = *(ao1 + 1);
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data03 = *(ao2 + 0);
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data04 = *(ao2 + 1);
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data05 = *(ao3 + 0);
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data06 = *(ao3 + 1);
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data07 = *(ao4 + 0);
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data08 = *(ao4 + 1);
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b[ 0] = data01;
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b[ 1] = data03;
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b[ 2] = data05;
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b[ 3] = data07;
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b[ 4] = data02;
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b[ 5] = data04;
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b[ 6] = data06;
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b[ 7] = data08;
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ao1 += 2;
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ao2 += 2;
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ao3 += 2;
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ao4 += 2;
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b += 8;
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}
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if (m & 1) {
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data01 = *(ao1 + 0);
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data03 = *(ao2 + 0);
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data05 = *(ao3 + 0);
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data07 = *(ao4 + 0);
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b[ 0] = data01;
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b[ 1] = data03;
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b[ 2] = data05;
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b[ 3] = data07;
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/* ao1 += 1;
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ao2 += 1;
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ao3 += 1;
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ao4 += 1; */
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b += 4;
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}
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} else
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if (X > posY) {
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if (m & 2) {
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/* ao1 += 2 * lda;
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ao2 += 2 * lda; */
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b += 8;
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}
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if (m & 1) {
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// ao1 += lda;
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b += 4;
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}
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} else {
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#ifdef UNIT
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data05 = *(ao2 + 0);
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data09 = *(ao3 + 0);
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data13 = *(ao4 + 0);
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if (i >= 2) {
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data10 = *(ao3 + 1);
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data14 = *(ao4 + 1);
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}
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if (i >= 3) {
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data15 = *(ao4 + 2);
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}
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b[ 0] = ONE;
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b[ 1] = data05;
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b[ 2] = data09;
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b[ 3] = data13;
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b += 4;
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if(i >= 2) {
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b[ 0] = ZERO;
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b[ 1] = ONE;
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b[ 2] = data10;
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b[ 3] = data14;
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b += 4;
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}
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if (i >= 3) {
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b[ 0] = ZERO;
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b[ 1] = ZERO;
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b[ 2] = ONE;
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b[ 3] = data15;
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b += 4;
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}
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#else
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data01 = *(ao1 + 0);
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data05 = *(ao2 + 0);
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data09 = *(ao3 + 0);
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data13 = *(ao4 + 0);
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if (i >= 2) {
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data06 = *(ao2 + 1);
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data10 = *(ao3 + 1);
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data14 = *(ao4 + 1);
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}
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if (i >= 3) {
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data11 = *(ao3 + 2);
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data15 = *(ao4 + 2);
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}
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b[ 0] = data01;
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b[ 1] = data05;
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b[ 2] = data09;
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b[ 3] = data13;
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b += 4;
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if(i >= 2) {
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b[ 0] = ZERO;
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b[ 1] = data06;
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b[ 2] = data10;
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b[ 3] = data14;
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b += 4;
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}
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if (i >= 3) {
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b[ 0] = ZERO;
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b[ 1] = ZERO;
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b[ 2] = data11;
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b[ 3] = data15;
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b += 4;
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}
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#endif
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}
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}
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posY += 4;
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js --;
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} while (js > 0);
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} /* End of main loop */
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if (n & 2){
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X = posX;
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if (posX <= posY) {
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ao1 = a + posX + (posY + 0) * lda;
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ao2 = a + posX + (posY + 1) * lda;
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} else {
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ao1 = a + posY + (posX + 0) * lda;
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ao2 = a + posY + (posX + 1) * lda;
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}
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i = (m >> 1);
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if (i > 0) {
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do {
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if (X < posY) {
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data01 = *(ao1 + 0);
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data02 = *(ao1 + 1);
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data05 = *(ao2 + 0);
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data06 = *(ao2 + 1);
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b[ 0] = data01;
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b[ 1] = data05;
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b[ 2] = data02;
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b[ 3] = data06;
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ao1 += 2;
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ao2 += 2;
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b += 4;
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} else
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if (X > posY) {
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ao1 += 2 * lda;
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ao2 += 2 * lda;
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b += 4;
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} else {
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#ifdef UNIT
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data05 = *(ao2 + 0);
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b[ 0] = ONE;
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b[ 1] = data05;
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b[ 2] = ZERO;
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b[ 3] = ONE;
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#else
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data01 = *(ao1 + 0);
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data05 = *(ao2 + 0);
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data06 = *(ao2 + 1);
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b[ 0] = data01;
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b[ 1] = data05;
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b[ 2] = ZERO;
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b[ 3] = data06;
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#endif
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ao1 += 2 * lda;
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ao2 += 2 * lda;
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b += 4;
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}
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X += 2;
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i --;
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} while (i > 0);
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}
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i = (m & 1);
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if (i) {
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if (X < posY) {
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data01 = *(ao1 + 0);
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data05 = *(ao2 + 0);
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b[ 0] = data01;
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b[ 1] = data05;
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/* ao1 += 1;
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ao2 += 1; */
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b += 2;
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} else
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if (X > posY) {
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/* ao1 += lda;
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ao2 += lda; */
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b += 2;
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} else {
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#ifdef UNIT
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data05 = *(ao2 + 0);
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b[ 0] = ONE;
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b[ 1] = data05;
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#else
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data01 = *(ao1 + 0);
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data05 = *(ao2 + 0);
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b[ 0] = data01;
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b[ 1] = data05;
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#endif
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/* ao1 += lda;
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ao2 += lda; */
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b += 2;
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}
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}
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posY += 2;
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}
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if (n & 1){
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X = posX;
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if (posX <= posY) {
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ao1 = a + posX + (posY + 0) * lda;
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} else {
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ao1 = a + posY + (posX + 0) * lda;
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}
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i = m;
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if (m > 0) {
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do {
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if (X < posY) {
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data01 = *(ao1 + 0);
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b[ 0] = data01;
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ao1 += 1;
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b += 1;
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} else
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if (X > posY) {
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ao1 += lda;
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b += 1;
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} else {
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#ifdef UNIT
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b[ 0] = ONE;
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#else
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data01 = *(ao1 + 0);
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b[ 0] = data01;
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#endif
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ao1 += lda;
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b += 1;
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}
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X += 1;
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i --;
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} while (i > 0);
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}
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}
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return 0;
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}
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