145 lines
5.6 KiB
C
145 lines
5.6 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* Copyright 2023 The OpenBLAS Project */
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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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#include <arm_sve.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, offset;
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#if defined(DOUBLE)
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uint64_t sve_size = svcntd();
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svint64_t posY_vec = svdup_s64(posY);
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svint64_t posX_vec = svdup_s64(posX);
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svint64_t lda_vec = svdup_s64(lda);
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svint64_t one_vec = svdup_s64(1LL);
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int64_t j = 0;
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svbool_t pg = svwhilelt_b64((uint64_t)j, (uint64_t)n);
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int64_t active = svcntp_b64(svptrue_b64(), pg);
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svint64_t index_neg = svindex_s64(0LL, -1LL);
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svint64_t index = svindex_s64(0LL, 1LL);
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do {
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offset = posX - posY;
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svint64_t vec_off = svdup_s64(offset);
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svbool_t cmp = svcmpgt(pg, vec_off, index_neg);
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svint64_t temp = svadd_z(pg, posX_vec, index);
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svint64_t temp1 = svmla_z(pg, temp, posY_vec, lda_vec);
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svint64_t temp2 = svmla_z(pg, posY_vec, temp, lda);
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svint64_t gat_ind = svsel(cmp, temp1, temp2);
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i = m;
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while (i>0) {
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svfloat64_t data_vec = svld1_gather_index(pg, a, gat_ind);
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gat_ind = svadd_m(cmp, gat_ind, lda_vec);
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gat_ind = svadd_m(svnot_z(pg, cmp) , gat_ind, one_vec);
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svst1(pg, b, data_vec);
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b += active;
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offset --;
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vec_off = svsub_z(pg, vec_off, one_vec);
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cmp = svcmpgt(pg, vec_off, index_neg);
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i--;
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}
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posX += sve_size;
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posX_vec = svdup_s64(posX);
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j += sve_size;
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pg = svwhilelt_b64((uint64_t)j, (uint64_t)n);
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active = svcntp_b64(svptrue_b64(), pg);
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} while (svptest_any(svptrue_b64(), pg));
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#else
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uint32_t sve_size = svcntw();
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svint32_t posY_vec = svdup_s32(posY);
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svint32_t posX_vec = svdup_s32(posX);
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svint32_t lda_vec = svdup_s32(lda);
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svint32_t one_vec = svdup_s32(1);
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int32_t N = n;
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int32_t j = 0;
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svbool_t pg = svwhilelt_b32((uint32_t)j, (uint32_t)N);
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int32_t active = svcntp_b32(svptrue_b32(), pg);
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svint32_t index_neg = svindex_s32(0, -1);
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svint32_t index = svindex_s32(0, 1);
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do {
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offset = posX - posY;
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svint32_t vec_off = svdup_s32(offset);
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svbool_t cmp = svcmpgt(pg, vec_off, index_neg);
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svint32_t temp = svadd_z(pg, posX_vec, index);
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svint32_t temp1 = svmla_z(pg, temp, posY_vec, lda_vec);
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svint32_t temp2 = svmla_z(pg, posY_vec, temp, lda);
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svint32_t gat_ind = svsel(cmp, temp1, temp2);
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i = m;
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while (i>0) {
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svfloat32_t data_vec = svld1_gather_index(pg, a, gat_ind);
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gat_ind = svadd_m(cmp, gat_ind, lda_vec);
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gat_ind = svadd_m(svnot_z(pg, cmp) , gat_ind, one_vec);
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svst1(pg, b, data_vec);
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b += active;
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offset --;
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vec_off = svsub_z(pg, vec_off, one_vec);
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cmp = svcmpgt(pg, vec_off, index_neg);
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i--;
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}
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posX += sve_size;
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posX_vec = svdup_s32(posX);
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j += sve_size;
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pg = svwhilelt_b32((uint32_t)j, (uint32_t)N);
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active = svcntp_b32(svptrue_b32(), pg);
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} while (svptest_any(svptrue_b32(), pg));
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#endif
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return 0;
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}
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