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authorEddie Hung <eddie@fpgeh.com>2020-01-23 18:56:06 -0800
committerEddie Hung <eddie@fpgeh.com>2020-01-23 18:56:06 -0800
commitf180dba753c9f4bfb3b89575b0d224c73a1e8897 (patch)
tree5ad4c18069bbfd3167e9ee3b1b0368b033fc05de /passes
parent48aec34e0dbb6918e38ef2b80cdbbd8bb992d0f5 (diff)
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abc9_ops: -prep_xaiger to skip (* keep *) cells
Diffstat (limited to 'passes')
-rw-r--r--passes/techmap/abc9_ops.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index 750f36ceb..40622ece7 100644
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -165,6 +165,8 @@ void prep_xaiger(RTLIL::Module *module, bool dff)
for (auto cell : module->cells()) {
if (cell->type == "$__ABC9_FF_")
continue;
+ if (cell->has_keep_attr())
+ continue;
auto inst_module = module->design->module(cell->type);
bool abc9_box = inst_module && inst_module->attributes.count("\\abc9_box_id");