diff options
Diffstat (limited to 'src/isa-l/erasure_code/aarch64/ec_aarch64_highlevel_func.c')
| -rw-r--r-- | src/isa-l/erasure_code/aarch64/ec_aarch64_highlevel_func.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/isa-l/erasure_code/aarch64/ec_aarch64_highlevel_func.c b/src/isa-l/erasure_code/aarch64/ec_aarch64_highlevel_func.c new file mode 100644 index 000000000..dd23702ce --- /dev/null +++ b/src/isa-l/erasure_code/aarch64/ec_aarch64_highlevel_func.c @@ -0,0 +1,127 @@ +/************************************************************** + Copyright (c) 2019 Huawei Technologies Co., Ltd. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * 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. + * Neither the name of Huawei Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "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 COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**********************************************************************/ +#include "erasure_code.h" + +/*external function*/ +extern void gf_vect_dot_prod_neon(int len, int vlen, unsigned char *gftbls, + unsigned char **src, unsigned char *dest); +extern void gf_2vect_dot_prod_neon(int len, int vlen, unsigned char *gftbls, + unsigned char **src, unsigned char **dest); +extern void gf_3vect_dot_prod_neon(int len, int vlen, unsigned char *gftbls, + unsigned char **src, unsigned char **dest); +extern void gf_4vect_dot_prod_neon(int len, int vlen, unsigned char *gftbls, + unsigned char **src, unsigned char **dest); +extern void gf_5vect_dot_prod_neon(int len, int vlen, unsigned char *gftbls, + unsigned char **src, unsigned char **dest); +extern void gf_vect_mad_neon(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char *dest); +extern void gf_2vect_mad_neon(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char **dest); +extern void gf_3vect_mad_neon(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char **dest); +extern void gf_4vect_mad_neon(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char **dest); +extern void gf_5vect_mad_neon(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char **dest); +extern void gf_6vect_mad_neon(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char **dest); + +void ec_encode_data_neon(int len, int k, int rows, unsigned char *g_tbls, unsigned char **data, + unsigned char **coding) +{ + if (len < 16) { + ec_encode_data_base(len, k, rows, g_tbls, data, coding); + return; + } + + while (rows > 5) { + gf_5vect_dot_prod_neon(len, k, g_tbls, data, coding); + g_tbls += 5 * k * 32; + coding += 5; + rows -= 5; + } + switch (rows) { + case 5: + gf_5vect_dot_prod_neon(len, k, g_tbls, data, coding); + break; + case 4: + gf_4vect_dot_prod_neon(len, k, g_tbls, data, coding); + break; + case 3: + gf_3vect_dot_prod_neon(len, k, g_tbls, data, coding); + break; + case 2: + gf_2vect_dot_prod_neon(len, k, g_tbls, data, coding); + break; + case 1: + gf_vect_dot_prod_neon(len, k, g_tbls, data, *coding); + break; + case 0: + break; + default: + break; + } +} + +void ec_encode_data_update_neon(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_neon(len, k, vec_i, g_tbls, data, coding); + g_tbls += 6 * k * 32; + coding += 6; + rows -= 6; + } + switch (rows) { + case 6: + gf_6vect_mad_neon(len, k, vec_i, g_tbls, data, coding); + break; + case 5: + gf_5vect_mad_neon(len, k, vec_i, g_tbls, data, coding); + break; + case 4: + gf_4vect_mad_neon(len, k, vec_i, g_tbls, data, coding); + break; + case 3: + gf_3vect_mad_neon(len, k, vec_i, g_tbls, data, coding); + break; + case 2: + gf_2vect_mad_neon(len, k, vec_i, g_tbls, data, coding); + break; + case 1: + gf_vect_mad_neon(len, k, vec_i, g_tbls, data, *coding); + break; + case 0: + break; + } +} |