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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 Vukobratovic2019-06-278-57/+504
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| * | Refactor "opt_rmdff -sat"Clifford Wolf2019-06-202-359/+46
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | Merge branch 'master' of https://github.com/bogdanvuk/yosys into ↵Clifford Wolf2019-06-202-5/+400
| |\ \ | | | | | | | | | | | | clifford/ext1046
| | * | 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 Vukobratovic2019-06-1410-83/+318
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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 Vukobratovic2019-06-142-13/+11
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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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| | * | | Fix the regressionBogdan Vukobratovic2019-05-281-1/+2
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| | * | | Optimizing DFFs whose initial value prevents their value from changingBogdan Vukobratovic2019-05-282-3/+59
| | | | | | | | | | | | | | | | | | | | | | | | | This is a proof of concept implementation that invokes SAT solver via Pass::call method.
* | | | | Merge pull request #1143 from YosysHQ/clifford/fix1135Eddie Hung2019-06-271-3/+11
|\ \ \ \ \ | | | | | | | | | | | | Add "pmux2shiftx -norange"
| * | | | | Add "pmux2shiftx -norange", fixes #1135Clifford Wolf2019-06-271-3/+11
| | |_|_|/ | |/| | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* / | | | Fix handling of partial covers in muxcover, fixes #1132Clifford Wolf2019-06-271-6/+25
|/ / / / | | | | | | | | | | | | 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>
* | | | Merge pull request #1130 from YosysHQ/eddie/fix710Clifford Wolf2019-06-251-5/+11
|\ \ \ \ | | | | | | | | | | memory_dff: walk through more than one mux for computing read enable
| * | | | Fix spacingEddie Hung2019-06-251-4/+3
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| * | | | Move only one consumer check outside of while loopEddie Hung2019-06-251-6/+5
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| * | | | Walk through as many muxes as exist for rd_enEddie Hung2019-06-241-8/+16
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* | | | | Merge remote-tracking branch 'origin/master' into eddie/muxpackEddie Hung2019-06-223-48/+118
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| * | | | Merge pull request #1108 from YosysHQ/clifford/fix1091Eddie Hung2019-06-211-45/+99
| |\ \ \ \ | | | | | | | | | | | | Add support for partial matches to muxcover
| | * | | | Replace "muxcover -freedecode" with "muxcover -dmux=cost"Clifford Wolf2019-06-211-15/+14
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| | * | | | Add "muxcover -freedecode"Clifford Wolf2019-06-211-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| | * | | | Improvements in muxcoverClifford Wolf2019-06-201-38/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Slightly under-estimate cost of decoder muxes - Prefer larger muxes at tree root at same cost - Don't double-count input cost for partial muxes - Add debug log output
| | * | | | Add support for partial matches to muxcover, fixes #1091Clifford Wolf2019-06-201-7/+31
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | | | Merge pull request #1085 from YosysHQ/eddie/shregmap_improveEddie Hung2019-06-211-3/+15
| |\ \ \ \ \ | | | | | | | | | | | | | | Improve shregmap to handle case where first flop is common to two chains
| | * | | | | Actually, there might not be any harm in updating sigmap...Eddie Hung2019-06-201-3/+1
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| | * | | | | Add comment as per @cliffordwolfEddie Hung2019-06-201-0/+11
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| | * | | | | Revert "Try way that doesn't involve creating a new wire"Eddie Hung2019-06-111-15/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 2f427acc9ed23c77e89386f4fbf53ac580bf0f0b.
| | * | | | | Try way that doesn't involve creating a new wireEddie Hung2019-06-111-10/+15
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| | * | | | | If d_bit already in sigbit_chain_next, create extra wireEddie Hung2019-06-101-3/+6
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| * | | | | Merge pull request #1117 from bwidawsk/more-homeClifford Wolf2019-06-211-0/+4
| |\ \ \ \ \ | | |_|/ / / | |/| | | | Add a few more filename rewrites
| | * | | | Add a few more filename rewritesBen Widawsky2019-06-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This now allows a full pipeline to work, something such as: yosys -p "synth_ecp5 -json ~/work/fpga/prjtrellis/examples/ecp5_evn/blinky.v" Otherwise, you will get something along the lines of: ERROR: Can't open output file `~/work/fpga/prjtrellis/examples/ecp5_evn/blinky.v' for writing: No such file or directory Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
* | | | | | 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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* | | | | | Merge branch 'master' into eddie/muxpackEddie Hung2019-06-218-11/+51
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| * | | | | Fix typo, fixes #1095Clifford Wolf2019-06-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | | | Improve shregmap help message, fixes #1113Clifford Wolf2019-06-201-0/+2
| | |_|/ / | |/| | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | | Fix typoClifford Wolf2019-06-201-2/+2
| |/ / / | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | Fixed the help summary line for a few commandsacw12512019-06-193-5/+5
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| * | | Fix bug in #1078, add entry to CHANGELOGEddie Hung2019-06-191-3/+3
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| * | | Use input default values in hierarchy passClifford Wolf2019-06-191-0/+38
| |/ / | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Elaborate muxpack docEddie Hung2019-06-101-2/+6
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