mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-07-29 23:43:16 +00:00
Code Activity

Add $_ANDNOT_ and $_ORNOT_ gates

Browse source
This commit is contained in:
Clifford Wolf 2017-05-17 09:08:29 +02:00
parent 9f4fbc5e74
commit 05cdd58c8d
14 changed files with 211 additions and 91 deletions
Download patch file Download diff file Expand all files Collapse all files

10
backends/smv/smv.cc
View file

@ -507,15 +507,19 @@ struct SmvWorker
continue;
}
if (cell->type.in("$_AND_", "$_NAND_", "$_OR_", "$_NOR_", "$_XOR_", "$_XNOR_"))
if (cell->type.in("$_AND_", "$_NAND_", "$_OR_", "$_NOR_", "$_XOR_", "$_XNOR_", "$_ANDNOT_", "$_ORNOT_"))
{
string op;
if (cell->type.in("$_AND_", "$_NAND_")) op = "&";
if (cell->type.in("$_OR_", "$_NOR_")) op = "|";
if (cell->type.in("$_AND_", "$_NAND_", "$_ANDNOT_")) op = "&";
if (cell->type.in("$_OR_", "$_NOR_", "$_ORNOT_")) op = "|";
if (cell->type.in("$_XOR_")) op = "xor";
if (cell->type.in("$_XNOR_")) op = "xnor";
if (cell->type.in("$_ANDNOT_", "$_ORNOT_"))
assignments.push_back(stringf("%s := %s %s (!%s);", lvalue(cell->getPort("\\Y")),
rvalue(cell->getPort("\\A")), op.c_str(), rvalue(cell->getPort("\\B"))));
else
if (cell->type.in("$_NAND_", "$_NOR_"))
assignments.push_back(stringf("%s := !(%s %s %s);", lvalue(cell->getPort("\\Y")),
rvalue(cell->getPort("\\A")), op.c_str(), rvalue(cell->getPort("\\B"))));