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* abc9_ops: fix commentEddie Hung2020-05-301-1/+1
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* abc9_ops: update messaging (credit to @Xiretza for spotting)Eddie Hung2020-05-301-4/+4
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* abc9_ops: optimise to not derive unless attribute existsEddie Hung2020-05-291-4/+8
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* abc9_ops: -reintegrate use SigMap to remove (* init *) from $_DFF_[NP]_Eddie Hung2020-05-291-5/+22
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* abc9_ops: -reintegrate to preserve flop namesEddie Hung2020-05-251-5/+25
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* abc9_ops: update commentEddie Hung2020-05-211-1/+1
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* abc9: use (* abc9_keep *) instead of (* abc9_scc *); apply to $_DFF_?_Eddie Hung2020-05-141-3/+3
| | | | instead of moving them to $__ prefix
* abc9_ops: -prep_hier to create unmap module that removes Q's (* init *)Eddie Hung2020-05-141-4/+6
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* abc9: preserve $_DFF_?_.Q's (* init *); rely on clean to remove itEddie Hung2020-05-141-17/+1
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* Fix broken test when ignoring abc9_flop with init == 1'b1Eddie Hung2020-05-141-3/+0
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* abc9_ops/xaiger: further reducing Module::derive() calls by ...Eddie Hung2020-05-141-88/+84
| | | | replacing _all_ (* abc9_box *) instantiations with their derived types
* Cleanup; reduce Module::derive() callsEddie Hung2020-05-141-131/+140
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* abc9: update to =_$abc9_flops pattern which includes whiteboxesEddie Hung2020-05-141-3/+3
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* abc9_ops: update docsEddie Hung2020-05-141-11/+10
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* abc9: only do +/abc9_map if `DFFEddie Hung2020-05-141-1/+4
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* abc9: rework submod -- since it won't move (* keep *) cellsEddie Hung2020-05-142-34/+29
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* abc9_ops: move assertEddie Hung2020-05-141-1/+1
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* abc9: put 'aigmap' backEddie Hung2020-05-141-0/+1
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* abc9_ops: fix bypass boxes using (* abc9_bypass *)Eddie Hung2020-05-141-12/+9
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* abc9_ops: tidy up, suppress error if no boxes/holesEddie Hung2020-05-141-18/+18
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* abc9_ops: -prep_delays to not insert delay box if input connection is constEddie Hung2020-05-141-0/+2
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* abc9_ops: cleanup; -prep_dff -> -prep_dff_submodEddie Hung2020-05-142-22/+14
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* abc9_ops: add -prep_bypass for auto bypass boxes; refactorEddie Hung2020-05-142-173/+509
| | | | | Eliminate need for abc9_{,un}map.v in xilinx -prep_dff_{hier,unmap} -> -prep_hier
* abc9_ops: -reintegrate to handle $_FF_; cleanupEddie Hung2020-05-141-22/+18
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* abc9: restore selected_modules()Eddie Hung2020-05-141-1/+1
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* abc9: add flop boxes to basic $_DFF_P_ and $_DFF_N_ tooEddie Hung2020-05-142-19/+26
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* abc9_ops: -prep_dff_map to error if async flop foundEddie Hung2020-05-141-5/+7
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* abc9: remove redundant wbflipEddie Hung2020-05-141-1/+0
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* abc9: generate $abc9_holes design instead of <name>$holesEddie Hung2020-05-142-15/+19
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* abc9_ops: more robustEddie Hung2020-05-141-8/+14
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* abc9: suppress warnings when no compatible + used flop boxes formedEddie Hung2020-05-142-37/+63
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* abc9: cleanupEddie Hung2020-05-141-7/+11
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* abc9_ops: -prep_dff_map to check $_DFF_[NP]_.Q drives module outputEddie Hung2020-05-141-1/+5
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* abc9_ops: do away with '$abc9_cells' selectionEddie Hung2020-05-142-40/+30
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* abc9_ops: use new 'design -delete' and 'select -unset'Eddie Hung2020-05-142-16/+7
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* abc9_ops: -prep_dff_map to warn if no specify cellsEddie Hung2020-05-141-7/+12
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* abc9_ops: -prep_dff_map to cope with plain $_DFF_[NP]_ flopsEddie Hung2020-05-141-12/+39
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* abc9: cleanupEddie Hung2020-05-141-4/+1
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* abc9_ops: do not use (* abc9_init *)Eddie Hung2020-05-141-16/+31
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* abc9_ops: add 'dff' label for auto handling of (* abc9_flop *) boxesEddie Hung2020-05-142-257/+390
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* abc9: fix behaviour and help for -box optionEddie Hung2020-05-141-3/+7
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* abc9_ops: -reintegrate to be sensitive to start_offset tooEddie Hung2020-05-021-3/+5
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* Add WASI platform support.whitequark2020-04-303-3/+14
| | | | | | | | | | | | This includes the following significant changes: * Patching ezsat and minisat to disable resource limiting code on WASM/WASI, since the POSIX functions they use are unavailable. * Adding a new definition, YOSYS_DISABLE_SPAWN, present if platform does not support spawning subprocesses (i.e. Emscripten or WASI). This definition hides the definition of `run_command()`. * Adding a new Makefile flag, DISABLE_SPAWN, present in the same condition. This flag disables all passes that require spawning subprocesses for their function.
* Merge pull request #1974 from YosysHQ/eddie/abc9_disable_mfsEddie Hung2020-04-231-2/+17
|\ | | | | abc9: tolerate &mfs failure by writing output file before calling it (and using that if it fails)
| * abc9: tolerate ABC nonzero exit code if output.aig; write before &mfsEddie Hung2020-04-201-2/+13
| | | | | | | | | | Re-enable mfs for xilinx/ecp5 speculatively -- if it fails, use pre-mfs result
| * xilinx/ecp5: disable abc9's "&mfs" optimisationEddie Hung2020-04-201-0/+4
| | | | | | | | Can sometimes fire an assertion, e.g. #1962
* | abc9: -prep_lut to be more robustEddie Hung2020-04-201-16/+33
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* Merge pull request #1864 from boqwxp/cleanup_techmap_abcwhitequark2020-04-171-99/+80
|\ | | | | Clean up pseudo-private member usage and simplify `passes/techmap/abc.cc`
| * Simplify `passes/techmap/abc.cc` and remove superfluous `RTLIL::SigSpec` ↵Alberto Gonzalez2020-04-141-132/+49
| | | | | | | | | | | | constructions. Co-Authored-By: Eddie Hung <eddie@fpgeh.com>
| * Clean up pseudo-private member usage and simplify `passes/techmap/abc.cc`.Alberto Gonzalez2020-04-051-99/+163
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