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reserve for multiplication

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-08-27 10:06:10 -07:00
parent a0ae5c8d5e
commit 6b0a10637c
2 changed files with 5 additions and 3 deletions
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6
src/ast/sls/bv_sls_eval.cpp
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@ -352,13 +352,13 @@ namespace bv {
break;
}
case OP_BMUL: {
SASSERT(e->get_num_args() > 1);
auto const& a = wval(e->get_arg(0));
auto const& b = wval(e->get_arg(1));
for (unsigned i = 0; i < a.nw; ++i)
val.set_mul(val.eval, a.bits(), b.bits());
val.set_mul(val.eval, a.bits(), b.bits(), false);
for (unsigned j = 2; j < e->get_num_args(); ++j) {
auto const& c = wval(e->get_arg(j));
val.set_mul(val.eval, val.eval, c.bits());
val.set_mul(val.eval, val.eval, c.bits(), false);
}
break;
}

2
src/ast/sls/sls_valuation.cpp
View file

@ -705,6 +705,8 @@ namespace bv {
}
bool sls_valuation::set_mul(bvect& out, bvect const& a, bvect const& b, bool check_overflow) const {
out.reserve(2 * nw);
SASSERT(out.size() >= 2 * nw);
mpn_manager().mul(a.data(), nw, b.data(), nw, out.data());
bool ovfl = false;
if (check_overflow) {