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bc: avoid bc_vec_item() calls in bc_array_copy()

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function                                             old     new   delta
zbc_program_copyToVar                                311     300     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-12-19 17:59:30 +01:00
parent 87888ce4d8
commit eac0de55d6
1 changed files with 4 additions and 2 deletions
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6
miscutils/bc.c
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@@ -2572,14 +2572,16 @@ static void bc_array_expand(BcVec *a, size_t len)
static void bc_array_copy(BcVec *d, const BcVec *s)
{
BcNum *dnum, *snum;
size_t i;
bc_vec_pop_all(d);
bc_vec_expand(d, s->cap);
d->len = s->len;
for (i = 0; i < s->len; ++i) {
BcNum *dnum = bc_vec_item(d, i), *snum = bc_vec_item(s, i);
dnum = (void*)d->v;
snum = (void*)s->v;
for (i = 0; i < s->len; i++, dnum++, snum++) {
bc_num_init(dnum, snum->len);
bc_num_copy(dnum, snum);
}