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authorEddie Hung <eddieh@ece.ubc.ca>2019-03-19 08:52:31 -0700
committerEddie Hung <eddieh@ece.ubc.ca>2019-03-19 08:52:31 -0700
commit02e8dc7ad2e13a43a310d311302c6db8168e6c11 (patch)
treeaf43bf9735fe47b09dbd8807c63fe451eb82aaba /passes/opt/opt_expr.cc
parent3e89cf68bdc4e9eeb55bd9450121f421bcdc554a (diff)
parent61f37706f93042c2d1f093dd9bfa717390911eb3 (diff)
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Merge https://github.com/YosysHQ/yosys into read_aiger
Diffstat (limited to 'passes/opt/opt_expr.cc')
-rw-r--r--passes/opt/opt_expr.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/passes/opt/opt_expr.cc b/passes/opt/opt_expr.cc
index 26a3ca7bc..a05db2a4f 100644
--- a/passes/opt/opt_expr.cc
+++ b/passes/opt/opt_expr.cc
@@ -155,6 +155,13 @@ bool group_cell_inputs(RTLIL::Module *module, RTLIL::Cell *cell, bool commutativ
new_b.append_bit(it.first.second);
}
+ if (cell->type.in("$and", "$or") && i == GRP_CONST_A) {
+ log(" Direct Connection: %s (%s with %s)\n", log_signal(new_b), log_id(cell->type), log_signal(new_a));
+ module->connect(new_y, new_b);
+ module->connect(new_conn);
+ continue;
+ }
+
RTLIL::Cell *c = module->addCell(NEW_ID, cell->type);
c->setPort("\\A", new_a);