diff options
| -rw-r--r-- | src/synth/synth-environment.adb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/synth/synth-environment.adb b/src/synth/synth-environment.adb index f11c3f274..03acc2478 100644 --- a/src/synth/synth-environment.adb +++ b/src/synth/synth-environment.adb @@ -1285,6 +1285,10 @@ package body Synth.Environment is N (0), Get_Driver (Get_Mux2_I1 (N1_Inst))); end if; end; + elsif N (0) = N (1) then + -- Minor optimization: no need to add a mux if both sides are + -- equal. But this is important for the control wires. + Res := N (0); else Res := Build_Mux2 (Ctxt, Sel, N (0), N (1)); end if; |