mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-06-06 06:03:23 +00:00
Code Activity

Add $_NMUX_, add "abc -g cmos", add proper cmos cell costs

Browse source 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-08-06 04:47:55 +02:00
parent 44a9dcbbbf
commit 023086bd46
19 changed files with 174 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

7
kernel/satgen.h
View file

@ -475,7 +475,7 @@ struct SatGen
return true;
}
if (cell->type == "$_MUX_" || cell->type == "$mux")
if (cell->type == "$_MUX_" || cell->type == "$mux" || cell->type == "$_NMUX_")
{
std::vector<int> a = importDefSigSpec(cell->getPort("\\A"), timestep);
std::vector<int> b = importDefSigSpec(cell->getPort("\\B"), timestep);
@ -483,7 +483,10 @@ struct SatGen
std::vector<int> y = importDefSigSpec(cell->getPort("\\Y"), timestep);
std::vector<int> yy = model_undef ? ez->vec_var(y.size()) : y;
ez->assume(ez->vec_eq(ez->vec_ite(s.at(0), b, a), yy));
if (cell->type == "$_NMUX_")
ez->assume(ez->vec_eq(ez->vec_not(ez->vec_ite(s.at(0), b, a)), yy));
else
ez->assume(ez->vec_eq(ez->vec_ite(s.at(0), b, a), yy));
if (model_undef)
{