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| * | | Cleanup opt_expr.ccEddie Hung2019-08-061-35/+30
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* | | | opt_lut to ignore LUT cells, or those that drive bits, with (* keep *)Eddie Hung2019-08-071-0/+6
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* | | Move LSB-trimming functionality from wreduce to opt_exprEddie Hung2019-08-062-23/+26
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* | | Merge remote-tracking branch 'origin/master' into eddie/wreduce_addEddie Hung2019-08-062-5/+5
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| * | Fix formatting for msys2 mingw build using GetSizeMiodrag Milanovic2019-08-012-5/+5
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* | Try and fix againEddie Hung2019-07-191-5/+4
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* | Do not access beyond boundsEddie Hung2019-07-191-1/+1
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* | Wrap A and B in sigmapEddie Hung2019-07-191-2/+2
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* | Remove "top" from messageEddie Hung2019-07-191-1/+1
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* | Also optimise MSB of $subEddie Hung2019-07-191-3/+3
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* | wreduce for $subEddie Hung2019-07-191-0/+23
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* opt_lut: make less chatty.whitequark2019-07-131-56/+38
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* Revert "Add "synth -keepdc" option"Eddie Hung2019-07-091-1/+1
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* Clarify 'wreduce -keepdc' docEddie Hung2019-07-081-1/+1
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* Merge pull request #1046 from bogdanvuk/masterClifford Wolf2019-06-282-11/+106
|\ | | | | Optimizing DFFs whose initial value prevents their value from changing
| * Add help for "-sat" option inside opt_rmdff. "opt" can pass "-sat" tooBogdan Vukobratovic2019-06-272-2/+10
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| * Fix memory leak when one of multiple DFF cells is removed in opt_rmdffBogdan Vukobratovic2019-06-271-0/+5
| | | | | | | | | | | | When there are multiple DFFs and one of them is removed, its reference lingers inside bit2driver dict. While invoking handle_dff() function for other DFFs, this broken reference is used isnside sat_import_cell() function.
| * Merge remote-tracking branch 'upstream/master'Bogdan Vukobratovic2019-06-273-3/+372
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| * | Refactor "opt_rmdff -sat"Clifford Wolf2019-06-202-359/+46
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | Move netlist helper module to passes/opt for the time beingBogdan Vukobratovic2019-06-142-1/+318
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| * | Merge remote-tracking branch 'upstream/master'Bogdan Vukobratovic2019-06-142-3/+3
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| * | | Prepare for situation when port of the signal cannot be foundBogdan Vukobratovic2019-06-141-1/+1
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| * | | Some cleanup, revert sat.ccBogdan Vukobratovic2019-06-141-7/+10
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| * | | Implement disconnection of constant register bitsBogdan Vukobratovic2019-06-131-12/+24
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| * | | Rename satgen_algo.h -> algo.h, code cleanup and refactoringBogdan Vukobratovic2019-06-121-73/+22
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| * | | Generate satgen instance instead of calling sat passBogdan Vukobratovic2019-06-111-23/+85
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| * | | Optimizing DFFs whose initial value prevents their value from changingBogdan Vukobratovic2019-05-281-3/+55
| | | | | | | | | | | | | | | | | | | | This is a proof of concept implementation that invokes SAT solver via Pass::call method.
* | | | Add "pmux2shiftx -norange", fixes #1135Clifford Wolf2019-06-271-3/+11
| |_|/ |/| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Improve opt_clean handling of unused public wiresClifford Wolf2019-06-261-2/+2
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Do not clean up buffer cells with "keep" attribute, closes #1128Clifford Wolf2019-06-261-1/+1
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Cope with $reduce_or common in caseEddie Hung2019-06-211-5/+37
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* | | Fix spacingEddie Hung2019-06-211-24/+24
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* | | Add docEddie Hung2019-06-211-3/+3
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* | | Fix up ExclusiveDatabase with @cliffordwolf's helpEddie Hung2019-06-211-35/+34
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* | | Elaborate muxpack docEddie Hung2019-06-101-2/+6
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* | | Comment O(N) -> O(N^2)Eddie Hung2019-06-071-1/+1
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* | | Extend ExclusiveDatabase to query SigSpec-s (for $pmux)Eddie Hung2019-06-071-19/+27
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* | | Add ExclusiveDatabase to check exclusive $eq/$logic_not cell resultsEddie Hung2019-06-071-1/+64
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* | | Resolve @cliffordwolf comment on redundant checkEddie Hung2019-06-071-10/+2
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* | | Resolve @cliffordwolf comment on sigmapEddie Hung2019-06-071-2/+2
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* | | Fix and test for balanced caseEddie Hung2019-06-061-10/+14
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* | | Support cascading $pmux.A with $mux.A and $mux.BEddie Hung2019-06-061-17/+25
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* | | More cleanupEddie Hung2019-06-061-15/+20
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* | | Fix spacingEddie Hung2019-06-061-6/+5
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* | | Non chain user check using next_sigEddie Hung2019-06-061-7/+5
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* | | Move muxpack from passes/techmap to passes/optEddie Hung2019-06-062-0/+257
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* | Fix typo in opt_rmdffEddie Hung2019-06-051-2/+2
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* | Suppress driver-driver conflict warning for unknown cell types, fixes #1065Clifford Wolf2019-06-051-1/+1
|/ | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Merge pull request #1026 from YosysHQ/clifford/fix1023Clifford Wolf2019-05-271-2/+3
|\ | | | | Keep zero-width wires in opt_clean if and only if they are ports
| * Keep zero-width wires in opt_clean if and only if they are ports, fixes #1023Clifford Wolf2019-05-221-2/+3
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>