aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/synth/synth-oper.adb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/synth/synth-oper.adb b/src/synth/synth-oper.adb
index dd02da330..b5480a2b9 100644
--- a/src/synth/synth-oper.adb
+++ b/src/synth/synth-oper.adb
@@ -995,6 +995,10 @@ package body Synth.Oper is
Edge := Build_Edge (Build_Context, Clk);
return Create_Value_Net (Edge, Boolean_Type);
end;
+ when Iir_Predefined_Ieee_1164_Scalar_Is_X
+ | Iir_Predefined_Ieee_1164_Vector_Is_X =>
+ -- Always false.
+ return Create_Value_Discrete (0, Boolean_Type);
when Iir_Predefined_Ieee_1164_To_Bitvector =>
declare
L : constant Value_Acc := Get_Value (Subprg_Inst, Param1);