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authormyrtle <gatecat@ds0.me>2022-06-07 13:09:09 +0100
committerGitHub <noreply@github.com>2022-06-07 13:09:09 +0100
commit2da7caf6573d857e72388003982043d743bc9438 (patch)
tree296f800d4edc89199cad8c834f39fe889b19b725 /gowin/pack.cc
parent997af6d7202b08c457c56db958c5e39605e74295 (diff)
parentdb696af2fe53ab4dc341a09303bb6cd371d76519 (diff)
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Merge pull request #993 from yrabbit/lw-wip-1
gowin: Add support for long wires
Diffstat (limited to 'gowin/pack.cc')
-rw-r--r--gowin/pack.cc8
1 files changed, 5 insertions, 3 deletions
diff --git a/gowin/pack.cc b/gowin/pack.cc
index 4adfec1a..83820142 100644
--- a/gowin/pack.cc
+++ b/gowin/pack.cc
@@ -947,9 +947,11 @@ static void pack_io(Context *ctx)
if (constr_bel != ci->attrs.end()) {
constr_bel_name = constr_bel->second.as_string();
}
- constr_bel = iob->attrs.find(id_BEL);
- if (constr_bel != iob->attrs.end()) {
- constr_bel_name = constr_bel->second.as_string();
+ if (iob != nullptr) {
+ constr_bel = iob->attrs.find(id_BEL);
+ if (constr_bel != iob->attrs.end()) {
+ constr_bel_name = constr_bel->second.as_string();
+ }
}
if (!constr_bel_name.empty()) {
BelId constr_bel = ctx->getBelByNameStr(constr_bel_name);