OpenBLAS/kernel/arm64/cgemm_tcopy_sve_v1.c

77 lines
3.6 KiB
C

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* Copyright 2023 The OpenBLAS Project */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include "common.h"
#include <arm_sve.h>
// TODO: write in assembly with proper unrolling of inner loop
int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b){
BLASLONG j;
IFLOAT *aoffset, *aoffset1, *boffset;
aoffset = a;
boffset = b;
j = 0;
svbool_t pg = svwhilelt_b32((uint64_t)j, (uint64_t)n);
uint32_t active = svcntp_b32(svptrue_b32(), pg);
do {
aoffset1 = aoffset;
uint32_t i_cnt = m;
while (i_cnt--) {
svfloat32x2_t a_vec = svld2(pg, (float *)aoffset1);
svst2_f32(pg, (float *) boffset, a_vec);
aoffset1 += lda * 2;
boffset += active * 2;
}
aoffset += active * 2;
j += svcntw();
pg = svwhilelt_b32((uint64_t)j, (uint64_t)n);
active = svcntp_b32(svptrue_b32(), pg);
} while (svptest_any(svptrue_b32(), pg));
return 0;
}