340                              int n2, int dna, int dnb, BN_ULONG *t) {  in bn_mul_recursive()  argument
342   assert(n2 != 0 && (n2 & (n2 - 1)) == 0);  in bn_mul_recursive()
349   if (n2 == 8 && dna == 0 && dnb == 0) {  in bn_mul_recursive()
355   if (n2 < BN_MUL_RECURSIVE_SIZE_NORMAL) {  in bn_mul_recursive()
356     bn_mul_normal(r, a, n2 + dna, b, n2 + dnb);  in bn_mul_recursive()
358       OPENSSL_memset(&r[2 * n2 + dna + dnb], 0,  in bn_mul_recursive()
374   int n = n2 / 2, tna = n + dna, tnb = n + dnb;  in bn_mul_recursive()
379   BN_ULONG neg = bn_abs_sub_part_words(t, a, &a[n], tna, n - tna, &t[n2]);  in bn_mul_recursive()
380   neg ^= bn_abs_sub_part_words(&t[n], &b[n], b, tnb, tnb - n, &t[n2]);  in bn_mul_recursive()
387     bn_mul_comba4(&t[n2], t, &t[n]);  in bn_mul_recursive()
390     bn_mul_comba4(&r[n2], &a[n], &b[n]);  in bn_mul_recursive()
392     bn_mul_comba8(&t[n2], t, &t[n]);  in bn_mul_recursive()
395     bn_mul_comba8(&r[n2], &a[n], &b[n]);  in bn_mul_recursive()
397     BN_ULONG *p = &t[n2 * 2];  in bn_mul_recursive()
398     bn_mul_recursive(&t[n2], t, &t[n], n, 0, 0, p);  in bn_mul_recursive()
400     bn_mul_recursive(&r[n2], &a[n], &b[n], n, dna, dnb, p);  in bn_mul_recursive()
404   BN_ULONG c = bn_add_words(t, r, &r[n2], n2);  in bn_mul_recursive()
409   BN_ULONG c_neg = c - bn_sub_words(&t[n2 * 2], t, &t[n2], n2);  in bn_mul_recursive()
410   BN_ULONG c_pos = c + bn_add_words(&t[n2], t, &t[n2], n2);  in bn_mul_recursive()
411   bn_select_words(&t[n2], neg, &t[n2 * 2], &t[n2], n2);  in bn_mul_recursive()
418   c += bn_add_words(&r[n], &r[n], &t[n2], n2);  in bn_mul_recursive()
421   for (int i = n + n2; i < n2 + n2; i++) {  in bn_mul_recursive()
449   int n2 = n * 2;  in bn_mul_part_recursive()  local
452     OPENSSL_memset(r + n2 + tna + tnb, 0, n2 - tna - tnb);  in bn_mul_part_recursive()
468   BN_ULONG neg = bn_abs_sub_part_words(t, a, &a[n], tna, n - tna, &t[n2]);  in bn_mul_part_recursive()
469   neg ^= bn_abs_sub_part_words(&t[n], &b[n], b, tnb, tnb - n, &t[n2]);  in bn_mul_part_recursive()
476     bn_mul_comba8(&t[n2], t, &t[n]);  in bn_mul_part_recursive()
479     bn_mul_normal(&r[n2], &a[n], tna, &b[n], tnb);  in bn_mul_part_recursive()
481     OPENSSL_memset(&r[n2 + tna + tnb], 0, sizeof(BN_ULONG) * (n2 - tna - tnb));  in bn_mul_part_recursive()
483     BN_ULONG *p = &t[n2 * 2];  in bn_mul_part_recursive()
484     bn_mul_recursive(&t[n2], t, &t[n], n, 0, 0, p);  in bn_mul_part_recursive()
487     OPENSSL_memset(&r[n2], 0, sizeof(BN_ULONG) * n2);  in bn_mul_part_recursive()
490       bn_mul_normal(&r[n2], &a[n], tna, &b[n], tnb);  in bn_mul_part_recursive()
499           bn_mul_part_recursive(&r[n2], &a[n], &b[n], i, tna - i, tnb - i, p);  in bn_mul_part_recursive()
506           bn_mul_recursive(&r[n2], &a[n], &b[n], i, tna - i, tnb - i, p);  in bn_mul_part_recursive()
518   BN_ULONG c = bn_add_words(t, r, &r[n2], n2);  in bn_mul_part_recursive()
523   BN_ULONG c_neg = c - bn_sub_words(&t[n2 * 2], t, &t[n2], n2);  in bn_mul_part_recursive()
524   BN_ULONG c_pos = c + bn_add_words(&t[n2], t, &t[n2], n2);  in bn_mul_part_recursive()
525   bn_select_words(&t[n2], neg, &t[n2 * 2], &t[n2], n2);  in bn_mul_part_recursive()
532   c += bn_add_words(&r[n], &r[n], &t[n2], n2);  in bn_mul_part_recursive()
535   for (int i = n + n2; i < n2 + n2; i++) {  in bn_mul_part_recursive()
715 static void bn_sqr_recursive(BN_ULONG *r, const BN_ULONG *a, size_t n2,  in bn_sqr_recursive()  argument
718   assert(n2 != 0 && (n2 & (n2 - 1)) == 0);  in bn_sqr_recursive()
720   if (n2 == 4) {  in bn_sqr_recursive()
724   if (n2 == 8) {  in bn_sqr_recursive()
728   if (n2 < BN_SQR_RECURSIVE_SIZE_NORMAL) {  in bn_sqr_recursive()
729     bn_sqr_normal(r, a, n2, t);  in bn_sqr_recursive()
738   size_t n = n2 / 2;  in bn_sqr_recursive()
739   BN_ULONG *t_recursive = &t[n2 * 2];  in bn_sqr_recursive()
744   bn_sqr_recursive(&t[n2], t, n, t_recursive);  in bn_sqr_recursive()
750   bn_sqr_recursive(&r[n2], &a[n], n, t_recursive);  in bn_sqr_recursive()
753   BN_ULONG c = bn_add_words(t, r, &r[n2], n2);  in bn_sqr_recursive()
755   c -= bn_sub_words(&t[n2], t, &t[n2], n2);  in bn_sqr_recursive()
759   c += bn_add_words(&r[n], &r[n], &t[n2], n2);  in bn_sqr_recursive()
762   for (size_t i = n + n2; i < n2 + n2; i++) {  in bn_sqr_recursive()