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write_btor: support $buf 

* treated the same as $pos
This commit is contained in:
George Rennie 2024-11-06 19:49:09 +01:00
parent 2de9f00368
commit 9047290683
1 changed files with 3 additions and 3 deletions
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6
backends/btor/btor.cc
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@ -508,7 +508,7 @@ struct BtorWorker
goto okay;
}
if (cell->type.in(ID($not), ID($neg), ID($_NOT_), ID($pos)))
if (cell->type.in(ID($not), ID($neg), ID($_NOT_), ID($pos), ID($buf)))
{
string btor_op;
if (cell->type.in(ID($not), ID($_NOT_))) btor_op = "not";
@ -520,9 +520,9 @@ struct BtorWorker
int nid_a = get_sig_nid(cell->getPort(ID::A), width, a_signed);
SigSpec sig = sigmap(cell->getPort(ID::Y));
// the $pos cell just passes through, all other cells need an actual operation applied
// the $pos/$buf cells just pass through, all other cells need an actual operation applied
int nid = nid_a;
if (cell->type != ID($pos))
if (!cell->type.in(ID($pos), ID($buf)))
{
log_assert(!btor_op.empty());
int sid = get_bv_sid(width);