mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-08-05 19:00:26 +00:00
Code Activity

Added support for non-const === and !== (for miter circuits)

Browse source
This commit is contained in:
Clifford Wolf 2013-12-27 14:20:15 +01:00
parent ecc30255ba
commit 369bf81a70
10 changed files with 128 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

4
passes/proc/proc_arst.cc
View file

@ -47,7 +47,7 @@ static bool check_signal(RTLIL::Module *mod, RTLIL::SigSpec signal, RTLIL::SigSp
polarity = !polarity;
return check_signal(mod, cell->connections["\\A"], ref, polarity);
}
if (cell->type == "$eq" && cell->connections["\\Y"] == signal) {
if ((cell->type == "$eq" || cell->type == "$eqx") && cell->connections["\\Y"] == signal) {
if (cell->connections["\\A"].is_fully_const()) {
if (!cell->connections["\\A"].as_bool())
polarity = !polarity;
@ -59,7 +59,7 @@ static bool check_signal(RTLIL::Module *mod, RTLIL::SigSpec signal, RTLIL::SigSp
return check_signal(mod, cell->connections["\\A"], ref, polarity);
}
}
if (cell->type == "$ne" && cell->connections["\\Y"] == signal) {
if ((cell->type == "$ne" || cell->type == "$nex") && cell->connections["\\Y"] == signal) {
if (cell->connections["\\A"].is_fully_const()) {
if (cell->connections["\\A"].as_bool())
polarity = !polarity;