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detect ff/latch before processing other nodes

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This commit is contained in:
argama
2018-10-14 01:42:48 +08:00
parent 9850de405a
commit 455638e00d
1 changed files with 17 additions and 0 deletions
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17
frontends/liberty/liberty.cc
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@@ -634,6 +634,8 @@ struct LibertyFrontend : public Frontend {
}
}
// some liberty files do not put ff/latch at the beginning of a cell
// try to find "ff" or "latch" and create FF/latch before processing all other nodes
for (auto node : cell->children)
{
if (!flag_lib) {
@@ -645,6 +647,21 @@ struct LibertyFrontend : public Frontend {
goto skip_cell;
}
}
}
for (auto node : cell->children)
{
/*
if (!flag_lib) {
if (node->id == "ff" && node->args.size() == 2)
create_ff(module, node);
if (node->id == "latch" && node->args.size() == 2)
if (!create_latch(module, node, flag_ignore_miss_data_latch)) {
delete module;
goto skip_cell;
}
}
*/
if (node->id == "pin" && node->args.size() == 1)
{