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* Rewrite ABC output to include proper net names in timing reportClifford Wolf2017-10-101-2/+17
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* Added missing "break"Andrew Zonenberg2017-09-151-0/+1
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* Implemented off-chain support for extract_reduceAndrew Zonenberg2017-09-151-84/+157
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* extract_reduce now only removes the head of the chain, relying on "clean" to ↵Andrew Zonenberg2017-09-151-9/+19
| | | | delete upstream cells. Added "-allow-off-chain" flag, but it's currently ignored.
* Merge pull request #412 from azonenberg/reduce-fixesClifford Wolf2017-09-141-2/+2
|\ | | | | extract_reduce: Fix segfault on "undriven" inputs
| * extract_reduce: Fix segfault on "undriven" inputsRobert Ou2017-09-141-2/+2
| | | | | | | | | | | | | | | | This is easily triggered when un-techmapping if the technology-specific cell library isn't loaded. Outputs of technology-specific cells will be seen as inputs, and nets using those outputs will be seen as undriven. Just ignore these cells because they can't be part of a reduce chain anyways.
* | Fixed bug where counter extraction on non-GreenPAK devices incorrectly ↵Andrew Zonenberg2017-09-141-32/+27
| | | | | | | | handled parallel counter output
* | Added support for inferring counters with reset to full scale instead of zeroAndrew Zonenberg2017-09-141-4/+11
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* | Added RESET_TO_MAX parameter to $__COUNT_ cell. Cannot yet be extracted.Andrew Zonenberg2017-09-141-0/+1
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* | Added support for inferring counters with active-low resetAndrew Zonenberg2017-09-141-6/+15
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* | Initial support for extraction of counters with clock enableAndrew Zonenberg2017-09-141-9/+66
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* | Fixed typo in comment. Fixed bug where extract_counter would create up ↵Andrew Zonenberg2017-09-141-2/+2
|/ | | | counters when it meant to create down counters.
* Further improve extract_fa (but still buggy)Clifford Wolf2017-09-021-28/+91
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* Merge branch 'master' of github.com:cliffordwolf/yosysClifford Wolf2017-09-012-0/+583
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| * extract_counter: Added optimizations to remove unused high-order bitsAndrew Zonenberg2017-08-301-16/+34
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| * extract_counter: Minor changes requested to comply with upstream policy, ↵Andrew Zonenberg2017-08-301-3/+4
| | | | | | | | fixed a few typos
| * Finished refactoring counter extraction to be nice and generic. Implemented ↵Andrew Zonenberg2017-08-281-11/+25
| | | | | | | | techmapping from $__COUNT_ to GP_COUNTx cells.
| * Refactored extract_counter to be generic vs GreenPAK specificAndrew Zonenberg2017-08-281-51/+87
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| * Refactoring: Renamed greenpak4_counters pass to extract_counter, moved it to ↵Andrew Zonenberg2017-08-282-0/+514
| | | | | | | | techmap/ since it's going to become a generic pass
* | Update more stuff to use get_src_attribute() and set_src_attribute()Clifford Wolf2017-09-011-4/+4
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* | updated to use get_src_attribute() and set_src_attribute().Jason Lowdermilk2017-08-313-10/+7
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* | Add support for source line tracking through synthesis phaseJason Lowdermilk2017-08-293-4/+23
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* Rename recover_reduce to extract_reduce, fix args handlingClifford Wolf2017-08-282-8/+25
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* Merge branch 'recover-reduce' of https://github.com/azonenberg/yosys into ↵Clifford Wolf2017-08-282-0/+223
|\ | | | | | | azonenberg-recover-reduce
| * recover_reduce: Update documentationRobert Ou2017-08-271-8/+11
| | | | | | | | | | The documentation now describes the commands performed in the deleted recover_reduce script.
| * recover_reduce: Reindent using tabsRobert Ou2017-08-271-190/+190
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| * recover_reduce: Rename recover_reduce_core to recover_reduceRobert Ou2017-08-273-101/+0
| | | | | | | | | | | | | | | | Clifford has commented on PR #387 stating that he does not like the driver script and would prefer to only have the core script with appropriate notes in the documentation. Also rename to .cc (rather than .cpp) for consistency.
| * recover_reduce: Add driver script for the $reduce_* recover featureRobert Ou2017-08-272-0/+101
| | | | | | | | | | Conflicts: passes/techmap/Makefile.inc
| * recover_reduce_core: Finish implementing the core functionRobert Ou2017-08-271-0/+110
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| * recover_reduce_core: Initial commitRobert Ou2017-08-272-0/+110
| | | | | | | | | | Conflicts: passes/techmap/Makefile.inc
* | Further improve extract_fa passClifford Wolf2017-08-281-1/+42
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* Further improve extract_fa (seems to be fully functional now)Clifford Wolf2017-08-251-10/+226
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* Rename "adders" to "extract_fa"Clifford Wolf2017-08-252-28/+16
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* Towards more generic "adder" function extractorClifford Wolf2017-08-231-202/+53
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* Add experimental adders passClifford Wolf2017-08-222-0/+447
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* abc: Allow +/ filenames in the abc commandRobert Ou2017-08-141-0/+3
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* Fix typo in "abc" pass help messageClifford Wolf2017-07-291-1/+1
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* Fix handling of empty cell port assignments (i.e. ignore them)Clifford Wolf2017-07-211-0/+3
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* Fix handling of init values in "abc -dff" and "abc -clk"Clifford Wolf2017-06-201-131/+176
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* Switched abc "clock domain not found" error to log_cmd_error()Clifford Wolf2017-06-201-24/+28
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* Add aliases for common sets of gate types to "abc -g"Clifford Wolf2017-05-241-2/+74
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* Add $_ANDNOT_ and $_ORNOT_ gatesClifford Wolf2017-05-171-21/+41
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* Squelch trailing whitespaceLarry Doolittle2017-04-121-1/+1
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* Copy attributes to _TECHMAP_REPLACE_ cellsClifford Wolf2017-02-161-2/+8
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* Fix techmap for inout ports connected to inout portsClifford Wolf2017-02-131-2/+7
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* Update ABC scripts to use "&nf" instead of "map"Clifford Wolf2017-02-011-3/+3
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* Improved ABC default scriptsClifford Wolf2016-11-191-17/+34
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* Build fixes for VS 2015Clifford Wolf2016-10-162-1/+4
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* Avoid using strcasecmp()Clifford Wolf2016-10-141-2/+21
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* Added MEMID handling to "flatten" passClifford Wolf2016-10-141-0/+6
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