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fix #3994 remove bogus option

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-16 18:51:52 -07:00
parent 767dff4a5a
commit 040d4b8d24
4 changed files with 9 additions and 21 deletions
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11
src/ast/rewriter/bv_rewriter.cpp
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@ -33,7 +33,6 @@ void bv_rewriter::updt_local_params(params_ref const & _p) {
m_urem_simpl = p.bv_urem_simpl();
m_blast_eq_value = p.blast_eq_value();
m_split_concat_eq = p.split_concat_eq();
m_udiv2mul = p.udiv2mul();
m_bvnot2arith = p.bvnot2arith();
m_bvnot_simpl = p.bv_not_simpl();
m_bv_sort_ac = p.bv_sort_ac();
@ -1046,8 +1045,6 @@ br_status bv_rewriter::mk_bv_udiv_core(expr * arg1, expr * arg2, bool hi_div0, e
TRACE("bv_udiv", tout << "hi_div0: " << hi_div0 << "\n";);
TRACE("udiv2mul", tout << mk_ismt2_pp(arg2, m()) << " udiv2mul: " << m_udiv2mul << "\n";);
if (is_numeral(arg2, r2, bv_size)) {
r2 = m_util.norm(r2, bv_size);
if (r2.is_zero()) {
@ -1080,14 +1077,6 @@ br_status bv_rewriter::mk_bv_udiv_core(expr * arg1, expr * arg2, bool hi_div0, e
return BR_REWRITE1;
}
if (m_udiv2mul) {
TRACE("udiv2mul", tout << "using udiv2mul\n";);
numeral inv_r2;
if (m_util.mult_inverse(r2, bv_size, inv_r2)) {
result = m().mk_app(get_fid(), OP_BMUL, mk_numeral(inv_r2, bv_size), arg1);
return BR_REWRITE1;
}
}
result = m().mk_app(get_fid(), OP_BUDIV_I, arg1, arg2);
return BR_DONE;