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* Get rid of (* abc9_{arrival,required} *) entirelyEddie Hung2020-02-271-29/+15
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* abc9_ops: ignore (* abc9_flop *) if not '-dff'Eddie Hung2020-02-271-38/+44
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* xilinx: improve specify functionalityEddie Hung2020-02-271-0/+3
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* Merge pull request #1703 from YosysHQ/eddie/specify_improveEddie Hung2020-02-211-2/+10
|\ | | | | Improve specify parser
| * specify: system timing checks to accept min:typ:max tripleEddie Hung2020-02-131-2/+10
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* | Revert "abc9: fix abc9_arrival for flops"Eddie Hung2020-02-141-5/+2
| | | | | | | | This reverts commit f7c0dbecee7ee8f2e3fc8bc8337e7045fd4aff15.
* | write_xaiger: default value for abc9_initEddie Hung2020-02-131-1/+1
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* | abc9: fix abc9_arrival for flopsEddie Hung2020-02-131-2/+5
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* json: Change compat mode to directly emit ints <= 32 bitsR. Ou2020-02-091-3/+3
| | | | | | This increases compatibility with certain older parsers in some cases that worked before commit 15fae357 but do not work with the current compat-int mode
* Merge pull request #1683 from whitequark/write_verilog-memattrswhitequark2020-02-071-0/+1
|\ | | | | write_verilog: dump $mem cell attributes
| * write_verilog: dump $mem cell attributes.whitequark2020-02-061-0/+1
| | | | | | | | | | The Verilog backend already dumps attributes on RTLIL::Memory objects but not on `$mem` cells.
* | edif: more resilience to mismatched port connection sizes.Marcin Kościelnicki2020-02-061-16/+27
|/ | | | Fixes #1653.
* Merge pull request #1661 from YosysHQ/eddie/abc9_requiredEddie Hung2020-02-051-17/+42
|\ | | | | abc9: add support for required times
| * Merge branch 'eddie/abc9_refactor' into eddie/abc9_requiredEddie Hung2020-01-272-3/+5
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| * \ Merge remote-tracking branch 'origin/eddie/abc9_refactor' into ↵Eddie Hung2020-01-151-1/+2
| |\ \ | | | | | | | | | | | | eddie/abc9_required
| * | | abc9_ops: cope with (* abc9_flop *) in place of (* abc9_box_id *)Eddie Hung2020-01-141-1/+1
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| * | | Merge remote-tracking branch 'origin/eddie/abc9_refactor' into ↵Eddie Hung2020-01-141-2/+6
| |\ \ \ | | | | | | | | | | | | | | | eddie/abc9_required
| * | | | abc9_ops: generate flop box ids, add abc9_required to FD* cellsEddie Hung2020-01-141-1/+5
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| * | | | Merge remote-tracking branch 'origin/eddie/abc9_refactor' into ↵Eddie Hung2020-01-141-1/+1
| |\ \ \ \ | | | | | | | | | | | | | | | | | | eddie/abc9_required
| * | | | | write_xaiger: skip if no arrival timesEddie Hung2020-01-141-0/+3
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| * | | | | Merge remote-tracking branch 'origin/eddie/abc9_refactor' into ↵Eddie Hung2020-01-142-94/+145
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | eddie/abc9_required
| * \ \ \ \ \ Merge remote-tracking branch 'origin/eddie/abc9_refactor' into ↵Eddie Hung2020-01-121-19/+28
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | eddie/abc9_required
| * | | | | | | log_debug() for abc9_{arrival,required} timesEddie Hung2020-01-101-0/+8
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| * | | | | | | write_xaiger: cleanupEddie Hung2020-01-091-17/+15
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| * | | | | | | write_xaiger: cope with abc9_arrival as string of intsEddie Hung2020-01-091-8/+21
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* | | | | | | | json: remove the 32-bit parameter special caseMarcin Kościelnicki2020-02-011-10/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before, the rules for encoding parameters in JSON were as follows: - if the parameter is not a string: - if it is exactly 32 bits long and there are no z or x bits, emit it as an int - otherwise, emit it as a string made of 0/1/x/z characters - if the parameter is a string: - if it contains only 0/1/x/z characters, append a space at the end to distinguish it from a non-string - otherwise, emit it directly However, this caused a problem in the json11 parser used in nextpnr: yosys emits unsigned ints, and nextpnr parses them as signed, using the value of INT_MIN for values that overflow the signed int range. This caused destruction of LUT5 initialization values. Since both nextpnr and yosys parser can also accept 32-bit parameters in the same encoding as other widths, let's just remove that special case. The old behavior is still left behind a `-compat-int` flag, in case someone relies on it.
* | | | | | | | Preserve wires with keep attribute in EDIF back-endClaire Wolf2020-01-291-9/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Claire Wolf <clifford@clifford.at>
* | | | | | | | Merge pull request #1619 from YosysHQ/eddie/abc9_refactorEddie Hung2020-01-271-363/+192
|\ \ \ \ \ \ \ \ | | |_|_|_|_|_|/ | |/| | | | | | Refactor `abc9` pass
| * | | | | | | Merge remote-tracking branch 'origin/master' into eddie/abc9_refactorEddie Hung2020-01-211-0/+2
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| * | | | | | | | write_xaiger: fix for (* keep *) on flop outputEddie Hung2020-01-211-3/+3
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| * | | | | | | write_xaiger: skip abc9_flop only if abc_box_seq presentEddie Hung2020-01-151-1/+2
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| * | | | | | write_xaiger: do not export flop inputs as POsEddie Hung2020-01-141-2/+6
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| * | | | | abc9_ops: -reintegrate to not trim box padding anymoreEddie Hung2020-01-141-1/+1
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| * | | | abc9_ops/write_xaiger: update docEddie Hung2020-01-141-1/+2
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| * | | | abc9_ops: -prep_holes -> -prep_xaiger, move padding to write_xaigerEddie Hung2020-01-141-3/+6
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| * | | | Merge remote-tracking branch 'origin/master' into eddie/abc9_refactorEddie Hung2020-01-141-25/+37
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| * | | | | write_xaiger: fix case of PI and CI and (* keep *)Eddie Hung2020-01-131-0/+5
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| * | | | | abc9: break SCC by setting (* keep *) on output wiresEddie Hung2020-01-131-8/+15
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| * | | | | abc9: respect (* keep *) on cellsEddie Hung2020-01-131-61/+69
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| * | | | | write_xaiger: add support and test for (* keep *) on wiresEddie Hung2020-01-131-7/+17
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| * | | | | write_xaiger: cache arrival timesEddie Hung2020-01-131-11/+17
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| * | | | cleanupEddie Hung2020-01-111-1/+1
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| * | | | Merge remote-tracking branch 'origin/master' into eddie/abc9_refactorEddie Hung2020-01-111-18/+27
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| * | | | Stray log_moduleEddie Hung2020-01-061-2/+0
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| * | | | Revert "write_xaiger to pad, not abc9_ops -prep_holes"Eddie Hung2020-01-061-16/+10
| | | | | | | | | | | | | | | | | | | | This reverts commit b5f60e055d07579a2d4f23fc053ca030f103f377.
| * | | | Merge remote-tracking branch 'origin/xaig_dff' into eddie/abc9_refactorEddie Hung2020-01-062-56/+41
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| * | | | | write_xaiger to pad, not abc9_ops -prep_holesEddie Hung2020-01-051-10/+16
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| * | | | | Fix when -dff not givenEddie Hung2020-01-041-14/+10
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| * | | | | Call -prep_holes before aigmap; fix topo orderingEddie Hung2020-01-031-8/+1
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| * | | | | WIPEddie Hung2020-01-031-56/+0
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