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| author | Clifford Wolf <clifford@clifford.at> | 2019-06-28 08:30:18 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-06-28 08:30:18 +0200 |
| commit | 1c7ce251f383a2c6734fc7ca778c5234e0c97a2a (patch) | |
| tree | bad3404f5b51aa6b1d6eeab38e3cf7a60bee3554 /kernel/celltypes.h | |
| parent | c4c39e98146b6837c35c425ef7987b2be45c0451 (diff) | |
| parent | 3225bfb98403271bbe8a56418ccd027b42eabda1 (diff) | |
| download | yosys-1c7ce251f383a2c6734fc7ca778c5234e0c97a2a.tar.gz yosys-1c7ce251f383a2c6734fc7ca778c5234e0c97a2a.tar.bz2 yosys-1c7ce251f383a2c6734fc7ca778c5234e0c97a2a.zip | |
Merge pull request #1046 from bogdanvuk/master
Optimizing DFFs whose initial value prevents their value from changing
Diffstat (limited to 'kernel/celltypes.h')
| -rw-r--r-- | kernel/celltypes.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/celltypes.h b/kernel/celltypes.h index 4e91eddda..758661c02 100644 --- a/kernel/celltypes.h +++ b/kernel/celltypes.h @@ -246,24 +246,24 @@ struct CellTypes cell_types.clear(); } - bool cell_known(RTLIL::IdString type) + bool cell_known(RTLIL::IdString type) const { return cell_types.count(type) != 0; } - bool cell_output(RTLIL::IdString type, RTLIL::IdString port) + bool cell_output(RTLIL::IdString type, RTLIL::IdString port) const { auto it = cell_types.find(type); return it != cell_types.end() && it->second.outputs.count(port) != 0; } - bool cell_input(RTLIL::IdString type, RTLIL::IdString port) + bool cell_input(RTLIL::IdString type, RTLIL::IdString port) const { auto it = cell_types.find(type); return it != cell_types.end() && it->second.inputs.count(port) != 0; } - bool cell_evaluable(RTLIL::IdString type) + bool cell_evaluable(RTLIL::IdString type) const { auto it = cell_types.find(type); return it != cell_types.end() && it->second.is_evaluable; @@ -482,4 +482,3 @@ extern CellTypes yosys_celltypes; YOSYS_NAMESPACE_END #endif - |