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| author | Tristan Gingold <tgingold@free.fr> | 2019-10-07 18:25:26 +0200 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2019-10-07 18:25:26 +0200 |
| commit | 2f4984b58d64d050f47da258e7e40a8c5701b7a3 (patch) | |
| tree | 75697b3ddca67e018ee2d9923e4dd0b3ff8715c7 /src | |
| parent | 5f08159565df82d74801c60d82ce584a768e70c2 (diff) | |
| download | ghdl-2f4984b58d64d050f47da258e7e40a8c5701b7a3.tar.gz ghdl-2f4984b58d64d050f47da258e7e40a8c5701b7a3.tar.bz2 ghdl-2f4984b58d64d050f47da258e7e40a8c5701b7a3.zip | |
synth: allow unconnected port.
Diffstat (limited to 'src')
| -rw-r--r-- | src/synth/synth-insts.adb | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/synth/synth-insts.adb b/src/synth/synth-insts.adb index 12703bc64..66a6bb2fb 100644 --- a/src/synth/synth-insts.adb +++ b/src/synth/synth-insts.adb @@ -614,11 +614,13 @@ package body Synth.Insts is null; when Port_Out | Port_Inout => - Port := Get_Output (Inst, Nbr_Outputs); - Port := Builders.Build_Port (Get_Build (Syn_Inst), Port); - O := Create_Value_Net - (Port, Get_Value_Type (Comp_Inst, Get_Type (Inter))); - Synth_Assignment (Syn_Inst, Actual, O, Assoc); + if Actual /= Null_Node then + Port := Get_Output (Inst, Nbr_Outputs); + Port := Builders.Build_Port (Get_Build (Syn_Inst), Port); + O := Create_Value_Net + (Port, Get_Value_Type (Comp_Inst, Get_Type (Inter))); + Synth_Assignment (Syn_Inst, Actual, O, Assoc); + end if; Nbr_Outputs := Nbr_Outputs + 1; end case; Next_Association_Interface (Assoc, Assoc_Inter); |