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180c74aefd
1) Implement the ErasureCode function in Altivec Intrinsics 2) Coding style update Change-Id: I2c81d035f4083e9b011dbf3b741f628813b68606 Thanks-to: Daniel Axtens <dja@axtens.net> Signed-off-by: Hong Bo Peng <penghb@cn.ibm.com>
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
#include "erasure_code.h"
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#include "ec_base_vsx.h"
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void gf_vect_dot_prod(int len, int vlen, unsigned char *v,
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unsigned char **src, unsigned char *dest)
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{
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gf_vect_dot_prod_vsx(len, vlen, v, src, dest);
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}
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void gf_vect_mad(int len, int vec, int vec_i, unsigned char *v,
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unsigned char *src, unsigned char *dest)
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{
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gf_vect_mad_vsx(len, vec, vec_i, v, src, dest);
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}
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void ec_encode_data(int len, int srcs, int dests, unsigned char *v,
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unsigned char **src, unsigned char **dest)
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{
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if (len < 64) {
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ec_encode_data_base(len, srcs, dests, v, src, dest);
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return;
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}
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while (dests >= 6) {
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gf_6vect_dot_prod_vsx(len, srcs, v, src, dest);
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v += 6 * srcs * 32;
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dest += 6;
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dests -= 6;
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}
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switch (dests) {
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case 6:
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gf_6vect_dot_prod_vsx(len, srcs, v, src, dest);
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break;
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case 5:
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gf_5vect_dot_prod_vsx(len, srcs, v, src, dest);
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break;
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case 4:
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gf_4vect_dot_prod_vsx(len, srcs, v, src, dest);
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break;
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case 3:
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gf_3vect_dot_prod_vsx(len, srcs, v, src, dest);
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break;
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case 2:
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gf_2vect_dot_prod_vsx(len, srcs, v, src, dest);
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break;
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case 1:
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gf_vect_dot_prod_vsx(len, srcs, v, src, *dest);
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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 ec_encode_data_update(int len, int k, int rows, int vec_i, unsigned char *v,
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unsigned char *data, unsigned char **dest)
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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, v, data, dest);
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return;
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}
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while (rows >= 6) {
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gf_6vect_mad_vsx(len, k, vec_i, v, data, dest);
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v += 6 * k * 32;
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dest += 6;
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rows -= 6;
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}
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switch (rows) {
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case 6:
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gf_6vect_mad_vsx(len, k, vec_i, v, data, dest);
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break;
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case 5:
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gf_5vect_mad_vsx(len, k, vec_i, v, data, dest);
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break;
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case 4:
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gf_4vect_mad_vsx(len, k, vec_i, v, data, dest);
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break;
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case 3:
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gf_3vect_mad_vsx(len, k, vec_i, v, data, dest);
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break;
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case 2:
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gf_2vect_mad_vsx(len, k, vec_i, v, data, dest);
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break;
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case 1:
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gf_vect_mad_vsx(len, k, vec_i, v, data, *dest);
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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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int gf_vect_mul(int len, unsigned char *a, void *src, void *dest)
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{
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gf_vect_mul_vsx(len, a, (unsigned char *)src, (unsigned char *)dest);
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return 0;
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}
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