123 	int r = 32;  in fls()  local
129 		r -= 16;  in fls()
133 		r -= 8;  in fls()
137 		r -= 4;  in fls()
141 		r -= 2;  in fls()
145 		r -= 1;  in fls()
147 	return r;  in fls()
231 	uint32_t w, r[l+1];  in encode_bch()  local
242 		memset(bch->ecc_buf, 0, sizeof(r));  in encode_bch()
259 	memcpy(r, bch->ecc_buf, sizeof(r));  in encode_bch()
274 		w = r[0]^cpu_to_be32(*pdata++);  in encode_bch()
281 			r[i] = r[i+1]^p0[i]^p1[i]^p2[i]^p3[i];  in encode_bch()
283 		r[l] = p0[l]^p1[l]^p2[l]^p3[l];  in encode_bch()
285 	memcpy(bch->ecc_buf, r, sizeof(r));  in encode_bch()
477 	int rem, c, r, p, k, param[m];  in solve_linear_system()  local
487 		for (r = p; r < m; r++) {  in solve_linear_system()
488 			if (rows[r] & mask) {  in solve_linear_system()
489 				if (r != p) {  in solve_linear_system()
490 					tmp = rows[r];  in solve_linear_system()
491 					rows[r] = rows[p];  in solve_linear_system()
494 				rem = r+1;  in solve_linear_system()
501 			for (r = rem; r < m; r++) {  in solve_linear_system()
502 				if (rows[r] & mask)  in solve_linear_system()
503 					rows[r] ^= tmp;  in solve_linear_system()
514 		for (r = m-1; r >= 0; r--) {  in solve_linear_system()
515 			if ((r > m-1-k) && rows[r])  in solve_linear_system()
519 			rows[r] = (p && (r == param[p-1])) ?  in solve_linear_system()
520 				p--, 1u << (m-r) : rows[r-p];  in solve_linear_system()
535 		for (r = m-1; r >= 0; r--) {  in solve_linear_system()
536 			mask = rows[r] & (tmp|1);  in solve_linear_system()
537 			tmp |= parity(mask) << (m-r);  in solve_linear_system()
604 	unsigned int u, v, r;  in find_poly_deg2_roots()  local
620 		r = 0;  in find_poly_deg2_roots()
624 			r ^= bch->xi_tab[i];  in find_poly_deg2_roots()
628 		if ((gf_sqr(bch, r)^r) == u) {  in find_poly_deg2_roots()
631 					    bch->a_log_tab[r]+l2);  in find_poly_deg2_roots()
633 					    bch->a_log_tab[r^1]+l2);  in find_poly_deg2_roots()
1155 	int i, j, r;  in build_deg2_base()  local
1175 			r = a_log(bch, y);  in build_deg2_base()
1176 			if (y && (r < m) && !xi[r]) {  in build_deg2_base()
1177 				bch->xi_tab[r] = x;  in build_deg2_base()
1178 				xi[r] = 1;  in build_deg2_base()
1180 				dbg("x%d = %x\n", r, x);  in build_deg2_base()
1208 	unsigned int i, j, nbits, r, word, *roots;  in compute_generator_polynomial()  local
1225 		for (j = 0, r = 2*i+1; j < m; j++) {  in compute_generator_polynomial()
1226 			roots[r] = 1;  in compute_generator_polynomial()
1227 			r = mod_s(bch, 2*r);  in compute_generator_polynomial()
1236 			r = bch->a_pow_tab[i];  in compute_generator_polynomial()
1239 				g->c[j] = gf_mul(bch, g->c[j], r)^g->c[j-1];  in compute_generator_polynomial()
1241 			g->c[0] = gf_mul(bch, g->c[0], r);  in compute_generator_polynomial()