mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-10-30 19:22:31 +00:00
Code Activity

Merge pull request #735 from daveshah1/trifixes

Browse source 
deminout fixes
This commit is contained in:
Clifford Wolf 2018-12-16 16:02:21 +01:00 • committed by GitHub
commit 0d9c850a07
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

7
passes/techmap/deminout.cc
View file

@ -83,9 +83,9 @@ struct DeminoutPass : public Pass {
for (auto bit : sigmap(conn.second))
bits_used.insert(bit);
if (conn.first == "\\Y" && cell->type.in("$mux", "$pmux", "$_MUX_", "$_TBUF_"))
if (conn.first == "\\Y" && cell->type.in("$mux", "$pmux", "$_MUX_", "$_TBUF_", "$tribuf"))
{
bool tribuf = (cell->type == "$_TBUF_");
bool tribuf = (cell->type == "$_TBUF_" || cell->type == "$tribuf");
if (!tribuf) {
for (auto &c : cell->connections()) {
@ -113,7 +113,8 @@ struct DeminoutPass : public Pass {
{
if (bits_numports[bit] > 1 || bits_inout.count(bit))
new_input = true, new_output = true;
if (bit == State::S0 || bit == State::S1)
new_output = true;
if (bits_written.count(bit)) {
new_output = true;
if (bits_tribuf.count(bit))