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| author | Eddie Hung <eddie@fpgeh.com> | 2020-01-13 19:21:11 -0800 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2020-01-13 19:21:11 -0800 |
| commit | a6d4ea74634826741f09793c36d596f2fa239f62 (patch) | |
| tree | 37e4bdc7f77b77c60d69516f9aa150c2c4c0579d /passes | |
| parent | 9ec948f3965eef214bee3af778b67fdd6ee86929 (diff) | |
| download | yosys-a6d4ea74634826741f09793c36d596f2fa239f62.tar.gz yosys-a6d4ea74634826741f09793c36d596f2fa239f62.tar.bz2 yosys-a6d4ea74634826741f09793c36d596f2fa239f62.zip | |
abc9: respect (* keep *) on cells
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/techmap/abc9_ops.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc index cc22fd474..9cc58c99d 100644 --- a/passes/techmap/abc9_ops.cc +++ b/passes/techmap/abc9_ops.cc @@ -489,6 +489,8 @@ void reintegrate(RTLIL::Module *module) std::vector<Cell*> boxes; for (auto cell : module->cells().to_vector()) { + if (cell->has_keep_attr()) + continue; if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC9_FF_))) module->remove(cell); else if (cell->attributes.erase("\\abc9_box_seq")) |