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* Blackbox all whiteboxes after synthesisgatecat2021-03-171-0/+1
| | | | | | | This prevents issues like processes in whiteboxes triggering an error in the JSON backend. Signed-off-by: gatecat <gatecat@ds0.me>
* Use C++11 final/override keywords.whitequark2020-06-181-4/+4
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* coolrunner2: Insert many more required feedthrough cellsR. Ou2020-03-011-0/+1
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* Merge pull request #1709 from rqou/coolrunner2_counterClaire Wolf2020-02-271-0/+3
|\ | | | | Improve CoolRunner-II optimization by using extract_counter pass
| * coolrunner2: Use extract_counter to optimize countersR. Ou2020-02-171-0/+3
| | | | | | | | | | This tends to make much more efficient pterm usage compared to just throwing the problem at ABC
* | coolrunner2: Separate and improve buffer cell insertion passR. Ou2020-02-161-0/+1
|/ | | | | | | The new pass will contain all of the logic for inserting "passthrough" product term and XOR cells as appropriate for the architecture. For example, this commit fixes connecting an input pin directly to another output pin with no logic in between.
* synth_*: call 'opt -fast' after 'techmap'Eddie Hung2020-02-051-2/+2
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* Update doc that "-retime" calls abc with "-dff -D 1"Eddie Hung2019-12-301-1/+1
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* Revert "Revert "synth_* with -retime option now calls abc with -D 1 as well""Eddie Hung2019-12-301-1/+1
| | | | This reverts commit 6008bb7002f874e5c748eaa2050e7b6c17b32745.
* coolrunner2: remove spurious log_pop() call, fixes #1463Martin Pietryka2019-11-231-2/+0
| | | | | | | This was causing a segmentation fault because there is no accompanying log_push() call so header_count.size() became -1. Signed-off-by: Martin Pietryka <martin@pietryka.at>
* Unify usage of noflatten among architecturesMiodrag Milanovic2019-01-041-1/+1
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* Fix typographical and grammatical errors and inconsistencies.whitequark2019-01-021-1/+1
| | | | | | | | | | | | The initial list of hits was generated with the codespell command below, and each hit was evaluated and fixed manually while taking context into consideration. DIRS="kernel/ frontends/ backends/ passes/ techlibs/" DIRS="${DIRS} libs/ezsat/ libs/subcircuit" codespell $DIRS -S *.o -L upto,iff,thru,synopsys,uint More hits were found by looking through comments and strings manually.
* Consistent use of 'override' for virtual methods in derived classes.Henner Zeller2018-07-201-4/+4
| | | | | | | | | o Not all derived methods were marked 'override', but it is a great feature of C++11 that we should make use of. o While at it: touched header files got a -*- c++ -*- for emacs to provide support for that language. o use YS_OVERRIDE for all override keywords (though we should probably use the plain keyword going forward now that C++11 is established)
* coolrunner2: Split multi-bit netsRobert Ou2018-03-311-0/+1
| | | | | The PAR tool doesn't expect any "dangling" nets with no drivers nor sinks. By splitting the nets, clean removes them.
* coolrunner2: Add extraction for TFFsRobert Ou2018-03-311-0/+12
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* coolrunner2: Move LOC attributes onto the IO cellsRobert Ou2018-01-171-0/+2
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* coolrunner2: Initial fixes for special p-termsRobert Ou2017-09-011-1/+3
| | | | | Certain signals can only be controlled by a product term and not a sum-of-products. Do the initial work for fixing this.
* coolrunner2: Fix mapping of flip-flopsRobert Ou2017-09-011-1/+0
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* Apply minor coding style changes to coolrunner2 targetClifford Wolf2017-07-031-0/+186
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