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fixes based on benchmarking UFDTLIA/NIA/BV

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This commit is contained in:
Nikolaj Bjorner 2025-01-29 17:00:26 -08:00
parent f1e0950069
commit e3566288a4
3 changed files with 16 additions and 6 deletions
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5
src/ast/sls/sls_bv_lookahead.cpp
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@ -390,7 +390,8 @@ namespace sls {
if (bv.is_ule(a, x, y)) {
auto const& vx = wval(x);
auto const& vy = wval(y);
m_ev.m_tmp.set_bw(vx.bw);
m_ev.m_tmp2.set_bw(vx.bw);
if (is_true) {
if (vx.bits() <= vy.bits())
return 1.0;
@ -420,6 +421,8 @@ namespace sls {
auto const& vy = wval(y);
// x += 2^bw-1
// y += 2^bw-1
m_ev.m_tmp.set_bw(vx.bw);
m_ev.m_tmp2.set_bw(vx.bw);
vy.bits().copy_to(vy.nw, m_ev.m_tmp);
vx.bits().copy_to(vx.nw, m_ev.m_tmp2);
m_ev.m_tmp.set(vy.bw - 1, !m_ev.m_tmp.get(vy.bw - 1));