diff options
Diffstat (limited to 'backends/btor/btor.cc')
| -rw-r--r-- | backends/btor/btor.cc | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/backends/btor/btor.cc b/backends/btor/btor.cc index 6e8da4707..cd6430090 100644 --- a/backends/btor/btor.cc +++ b/backends/btor/btor.cc @@ -114,7 +114,7 @@ struct BtorWorker cell_recursion_guard.insert(cell); btorf_push(log_id(cell)); - if (cell->type.in("$add", "$sub", "$and", "$or", "$xor", "$xnor", "$shl", "$sshl", "$shr", "$sshr", + if (cell->type.in("$add", "$sub", "$and", "$or", "$xor", "$xnor", "$shl", "$sshl", "$shr", "$sshr", "$shift", "$shiftx", "$_AND_", "$_NAND_", "$_OR_", "$_NOR_", "$_XOR_", "$_XNOR_")) { string btor_op; @@ -123,6 +123,7 @@ struct BtorWorker if (cell->type.in("$shl", "$sshl")) btor_op = "sll"; if (cell->type == "$shr") btor_op = "srl"; if (cell->type == "$sshr") btor_op = "sra"; + // if (cell->type.in("$shift", "$shiftx")) btor_op = "shift"; if (cell->type.in("$and", "$_AND_")) btor_op = "and"; if (cell->type.in("$or", "$_OR_")) btor_op = "or"; if (cell->type.in("$xor", "$_XOR_")) btor_op = "xor"; @@ -138,10 +139,11 @@ struct BtorWorker bool a_signed = cell->hasParam("\\A_SIGNED") ? cell->getParam("\\A_SIGNED").as_bool() : false; bool b_signed = cell->hasParam("\\B_SIGNED") ? cell->getParam("\\B_SIGNED").as_bool() : false; - if (cell->type.in("$shl", "$shr")) { - a_signed = false; + if (cell->type.in("$shl", "$sshl", "$shr", "$sshr")) b_signed = false; - } + + if (cell->type == "$sshr" && !a_signed) + btor_op = "srl"; int sid = get_bv_sid(width); int nid_a = get_sig_nid(cell->getPort("\\A"), width, a_signed); |