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8045bee170
NASM version 2.14.01 supports all x86 ISA in this library. Since this version has been out since 2018, it is safe to only permit the library to be compiled with this minimum version, as announced in issue #297. Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
565 lines
20 KiB
C
565 lines
20 KiB
C
/**********************************************************************
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Copyright(c) 2011-2019 Intel Corporation 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
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are met:
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* 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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* 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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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <limits.h>
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#include "erasure_code.h"
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#include "ec_base.h" /* for GF tables */
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#if __x86_64__ || __i386__ || _M_X64 || _M_IX86
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void
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ec_encode_data_sse(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding)
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{
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if (len < 16) {
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ec_encode_data_base(len, k, rows, g_tbls, data, coding);
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return;
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}
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while (rows >= 6) {
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gf_6vect_dot_prod_sse(len, k, g_tbls, data, coding);
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g_tbls += 6 * k * 32;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_dot_prod_sse(len, k, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_dot_prod_sse(len, k, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_dot_prod_sse(len, k, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_dot_prod_sse(len, k, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_dot_prod_sse(len, k, g_tbls, data, *coding);
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break;
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case 0:
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break;
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}
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}
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void
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ec_encode_data_avx(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding)
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{
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if (len < 16) {
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ec_encode_data_base(len, k, rows, g_tbls, data, coding);
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return;
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}
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while (rows >= 6) {
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gf_6vect_dot_prod_avx(len, k, g_tbls, data, coding);
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g_tbls += 6 * k * 32;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_dot_prod_avx(len, k, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_dot_prod_avx(len, k, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_dot_prod_avx(len, k, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_dot_prod_avx(len, k, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_dot_prod_avx(len, k, g_tbls, data, *coding);
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break;
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case 0:
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break;
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}
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}
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void
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ec_encode_data_avx2(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding)
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{
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if (len < 32) {
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ec_encode_data_base(len, k, rows, g_tbls, data, coding);
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return;
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}
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while (rows >= 6) {
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gf_6vect_dot_prod_avx2(len, k, g_tbls, data, coding);
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g_tbls += 6 * k * 32;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_dot_prod_avx2(len, k, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_dot_prod_avx2(len, k, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_dot_prod_avx2(len, k, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_dot_prod_avx2(len, k, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_dot_prod_avx2(len, k, g_tbls, data, *coding);
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break;
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case 0:
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break;
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}
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}
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extern int
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gf_vect_dot_prod_avx512(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char *dest);
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extern int
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gf_2vect_dot_prod_avx512(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern int
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gf_3vect_dot_prod_avx512(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern int
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gf_4vect_dot_prod_avx512(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern int
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gf_5vect_dot_prod_avx512(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern int
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gf_6vect_dot_prod_avx512(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_vect_mad_avx512(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char *dest);
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extern void
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gf_2vect_mad_avx512(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_3vect_mad_avx512(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_4vect_mad_avx512(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_5vect_mad_avx512(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_6vect_mad_avx512(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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void
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ec_encode_data_avx512(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding)
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{
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if (len < 64) {
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ec_encode_data_base(len, k, rows, g_tbls, data, coding);
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return;
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}
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while (rows >= 6) {
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gf_6vect_dot_prod_avx512(len, k, g_tbls, data, coding);
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g_tbls += 6 * k * 32;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_dot_prod_avx512(len, k, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_dot_prod_avx512(len, k, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_dot_prod_avx512(len, k, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_dot_prod_avx512(len, k, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_dot_prod_avx512(len, k, g_tbls, data, *coding);
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break;
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case 0:
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break;
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}
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}
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void
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ec_encode_data_update_avx512(int len, int k, int rows, int vec_i, unsigned char *g_tbls,
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unsigned char *data, unsigned char **coding)
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{
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if (len < 64) {
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ec_encode_data_update_base(len, k, rows, vec_i, g_tbls, data, coding);
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return;
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}
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while (rows >= 6) {
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gf_6vect_mad_avx512(len, k, vec_i, g_tbls, data, coding);
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g_tbls += 6 * k * 32;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_mad_avx512(len, k, vec_i, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_mad_avx512(len, k, vec_i, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_mad_avx512(len, k, vec_i, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_mad_avx512(len, k, vec_i, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_mad_avx512(len, k, vec_i, g_tbls, data, *coding);
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break;
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case 0:
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break;
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}
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}
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extern void
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gf_vect_dot_prod_avx512_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char *dest);
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extern void
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gf_2vect_dot_prod_avx512_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_3vect_dot_prod_avx512_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_4vect_dot_prod_avx512_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_5vect_dot_prod_avx512_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_6vect_dot_prod_avx512_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_vect_mad_avx512_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char *dest);
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extern void
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gf_2vect_mad_avx512_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_3vect_mad_avx512_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_4vect_mad_avx512_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_5vect_mad_avx512_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_6vect_mad_avx512_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_vect_dot_prod_avx2_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char *dest);
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extern void
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gf_2vect_dot_prod_avx2_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_3vect_dot_prod_avx2_gfni(int len, int k, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding);
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extern void
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gf_vect_mad_avx2_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char *dest);
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extern void
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gf_2vect_mad_avx2_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_3vect_mad_avx2_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_4vect_mad_avx2_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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extern void
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gf_5vect_mad_avx2_gfni(int len, int vec, int vec_i, unsigned char *gftbls, unsigned char *src,
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unsigned char **dest);
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void
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ec_init_tables_gfni(int k, int rows, unsigned char *a, unsigned char *g_tbls)
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{
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int i, j;
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uint64_t *g64 = (uint64_t *) g_tbls;
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for (i = 0; i < rows; i++)
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for (j = 0; j < k; j++)
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*(g64++) = gf_table_gfni[*a++];
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}
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void
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ec_encode_data_avx512_gfni(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding)
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{
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while (rows >= 6) {
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gf_6vect_dot_prod_avx512_gfni(len, k, g_tbls, data, coding);
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g_tbls += 6 * k * 8;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_dot_prod_avx512_gfni(len, k, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_dot_prod_avx512_gfni(len, k, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_dot_prod_avx512_gfni(len, k, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_dot_prod_avx512_gfni(len, k, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_dot_prod_avx512_gfni(len, k, g_tbls, data, *coding);
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break;
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case 0:
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default:
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break;
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}
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}
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void
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ec_encode_data_avx2_gfni(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data,
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unsigned char **coding)
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{
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while (rows >= 3) {
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gf_3vect_dot_prod_avx2_gfni(len, k, g_tbls, data, coding);
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g_tbls += 3 * k * 8;
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coding += 3;
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rows -= 3;
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}
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switch (rows) {
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case 2:
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gf_2vect_dot_prod_avx2_gfni(len, k, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_dot_prod_avx2_gfni(len, k, g_tbls, data, *coding);
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break;
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case 0:
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default:
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break;
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}
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}
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void
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ec_encode_data_update_avx512_gfni(int len, int k, int rows, int vec_i, unsigned char *g_tbls,
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unsigned char *data, unsigned char **coding)
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{
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while (rows >= 6) {
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gf_6vect_mad_avx512_gfni(len, k, vec_i, g_tbls, data, coding);
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g_tbls += 6 * k * 8;
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coding += 6;
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rows -= 6;
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}
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switch (rows) {
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case 5:
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gf_5vect_mad_avx512_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 4:
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gf_4vect_mad_avx512_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_mad_avx512_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_mad_avx512_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_mad_avx512_gfni(len, k, vec_i, g_tbls, data, *coding);
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break;
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case 0:
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default:
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break;
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}
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}
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void
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ec_encode_data_update_avx2_gfni(int len, int k, int rows, int vec_i, unsigned char *g_tbls,
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unsigned char *data, unsigned char **coding)
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{
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while (rows >= 5) {
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gf_5vect_mad_avx2_gfni(len, k, vec_i, g_tbls, data, coding);
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g_tbls += 5 * k * 8;
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coding += 5;
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rows -= 5;
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}
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switch (rows) {
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case 4:
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gf_4vect_mad_avx2_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 3:
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gf_3vect_mad_avx2_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 2:
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gf_2vect_mad_avx2_gfni(len, k, vec_i, g_tbls, data, coding);
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break;
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case 1:
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gf_vect_mad_avx2_gfni(len, k, vec_i, g_tbls, data, *coding);
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break;
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case 0:
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default:
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break;
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}
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}
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#if __WORDSIZE == 64 || _WIN64 || __x86_64__
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void
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ec_encode_data_update_sse(int len, int k, int rows, int vec_i, unsigned char *g_tbls,
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unsigned char *data, unsigned char **coding)
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{
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if (len < 16) {
|
|
ec_encode_data_update_base(len, k, rows, vec_i, g_tbls, data, coding);
|
|
return;
|
|
}
|
|
|
|
while (rows > 6) {
|
|
gf_6vect_mad_sse(len, k, vec_i, g_tbls, data, coding);
|
|
g_tbls += 6 * k * 32;
|
|
coding += 6;
|
|
rows -= 6;
|
|
}
|
|
switch (rows) {
|
|
case 6:
|
|
gf_6vect_mad_sse(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 5:
|
|
gf_5vect_mad_sse(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 4:
|
|
gf_4vect_mad_sse(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 3:
|
|
gf_3vect_mad_sse(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 2:
|
|
gf_2vect_mad_sse(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 1:
|
|
gf_vect_mad_sse(len, k, vec_i, g_tbls, data, *coding);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
ec_encode_data_update_avx(int len, int k, int rows, int vec_i, unsigned char *g_tbls,
|
|
unsigned char *data, unsigned char **coding)
|
|
{
|
|
if (len < 16) {
|
|
ec_encode_data_update_base(len, k, rows, vec_i, g_tbls, data, coding);
|
|
return;
|
|
}
|
|
while (rows > 6) {
|
|
gf_6vect_mad_avx(len, k, vec_i, g_tbls, data, coding);
|
|
g_tbls += 6 * k * 32;
|
|
coding += 6;
|
|
rows -= 6;
|
|
}
|
|
switch (rows) {
|
|
case 6:
|
|
gf_6vect_mad_avx(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 5:
|
|
gf_5vect_mad_avx(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 4:
|
|
gf_4vect_mad_avx(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 3:
|
|
gf_3vect_mad_avx(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 2:
|
|
gf_2vect_mad_avx(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 1:
|
|
gf_vect_mad_avx(len, k, vec_i, g_tbls, data, *coding);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
ec_encode_data_update_avx2(int len, int k, int rows, int vec_i, unsigned char *g_tbls,
|
|
unsigned char *data, unsigned char **coding)
|
|
{
|
|
if (len < 32) {
|
|
ec_encode_data_update_base(len, k, rows, vec_i, g_tbls, data, coding);
|
|
return;
|
|
}
|
|
while (rows > 6) {
|
|
gf_6vect_mad_avx2(len, k, vec_i, g_tbls, data, coding);
|
|
g_tbls += 6 * k * 32;
|
|
coding += 6;
|
|
rows -= 6;
|
|
}
|
|
switch (rows) {
|
|
case 6:
|
|
gf_6vect_mad_avx2(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 5:
|
|
gf_5vect_mad_avx2(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 4:
|
|
gf_4vect_mad_avx2(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 3:
|
|
gf_3vect_mad_avx2(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 2:
|
|
gf_2vect_mad_avx2(len, k, vec_i, g_tbls, data, coding);
|
|
break;
|
|
case 1:
|
|
gf_vect_mad_avx2(len, k, vec_i, g_tbls, data, *coding);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif //__WORDSIZE == 64 || _WIN64 || __x86_64__
|
|
#endif //__x86_64__ || __i386__ || _M_X64 || _M_IX86
|