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* | abc9_ops: more robustEddie Hung2020-05-141-8/+14
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* | abc9: suppress warnings when no compatible + used flop boxes formedEddie Hung2020-05-142-37/+63
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* | abc9: cleanupEddie Hung2020-05-141-7/+11
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* | abc9_ops: -prep_dff_map to check $_DFF_[NP]_.Q drives module outputEddie Hung2020-05-141-1/+5
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* | abc9_ops: do away with '$abc9_cells' selectionEddie Hung2020-05-142-40/+30
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* | abc9_ops: use new 'design -delete' and 'select -unset'Eddie Hung2020-05-142-16/+7
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* | abc9_ops: -prep_dff_map to warn if no specify cellsEddie Hung2020-05-141-7/+12
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* | abc9_ops: -prep_dff_map to cope with plain $_DFF_[NP]_ flopsEddie Hung2020-05-141-12/+39
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* | abc9: cleanupEddie Hung2020-05-141-4/+1
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* | abc9_ops: do not use (* abc9_init *)Eddie Hung2020-05-141-16/+31
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* | abc9_ops: add 'dff' label for auto handling of (* abc9_flop *) boxesEddie Hung2020-05-142-257/+390
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* | abc9: fix behaviour and help for -box optionEddie Hung2020-05-141-3/+7
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* abc9_ops: -reintegrate to be sensitive to start_offset tooEddie Hung2020-05-021-3/+5
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* Add WASI platform support.whitequark2020-04-303-3/+14
| | | | | | | | | | | | This includes the following significant changes: * Patching ezsat and minisat to disable resource limiting code on WASM/WASI, since the POSIX functions they use are unavailable. * Adding a new definition, YOSYS_DISABLE_SPAWN, present if platform does not support spawning subprocesses (i.e. Emscripten or WASI). This definition hides the definition of `run_command()`. * Adding a new Makefile flag, DISABLE_SPAWN, present in the same condition. This flag disables all passes that require spawning subprocesses for their function.
* Merge pull request #1974 from YosysHQ/eddie/abc9_disable_mfsEddie Hung2020-04-231-2/+17
|\ | | | | abc9: tolerate &mfs failure by writing output file before calling it (and using that if it fails)
| * abc9: tolerate ABC nonzero exit code if output.aig; write before &mfsEddie Hung2020-04-201-2/+13
| | | | | | | | | | Re-enable mfs for xilinx/ecp5 speculatively -- if it fails, use pre-mfs result
| * xilinx/ecp5: disable abc9's "&mfs" optimisationEddie Hung2020-04-201-0/+4
| | | | | | | | Can sometimes fire an assertion, e.g. #1962
* | abc9: -prep_lut to be more robustEddie Hung2020-04-201-16/+33
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* Merge pull request #1864 from boqwxp/cleanup_techmap_abcwhitequark2020-04-171-99/+80
|\ | | | | Clean up pseudo-private member usage and simplify `passes/techmap/abc.cc`
| * Simplify `passes/techmap/abc.cc` and remove superfluous `RTLIL::SigSpec` ↵Alberto Gonzalez2020-04-141-132/+49
| | | | | | | | | | | | constructions. Co-Authored-By: Eddie Hung <eddie@fpgeh.com>
| * Clean up pseudo-private member usage and simplify `passes/techmap/abc.cc`.Alberto Gonzalez2020-04-051-99/+163
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* | Merge pull request #1933 from YosysHQ/eddie/zinit_moreEddie Hung2020-04-151-7/+27
|\ \ | | | | | | zinit: handle $__DFFS?E?_[NP][NP][01] too
| * | zinit: handle $__DFFS?E?_[NP][NP][01] tooEddie Hung2020-04-141-7/+27
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* | | Get rid of dffsr2dff.Marcelina Kościelnicka2020-04-152-214/+0
| | | | | | | | | | | | | | | | | | This pass is a proper subset of opt_rmdff, which is called by opt, which is called by every synth flow in the coarse part. Thus, it never actually does anything and can be safely removed.
* | | abc9_ops: Add a check ensuring that connected port actually exists.Marcelina Kościelnicka2020-04-151-0/+3
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* | dffinit: Avoid setting init parameter to zero-length value.Marcelina Kościelnicka2020-04-141-3/+5
| | | | | | | | Fixes #1704.
* | abc9_exe: verify -> &verify -sEddie Hung2020-04-141-2/+2
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* | techmap: fix error messageEddie Hung2020-04-141-1/+1
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* | zinit: resolve one more comment by @mwkmwkmwkEddie Hung2020-04-131-3/+5
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* | zinit: fix review comments from @mwkmwkmwkEddie Hung2020-04-131-5/+6
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* | zinit: operate on $adff, erase (* init *) entries on consumptionEddie Hung2020-04-131-22/+20
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* | Fix S/R comment; thanks @mwkmwkmwkEddie Hung2020-04-131-1/+1
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* | zinit to transform set/reset value of $_DFF_[NP][NP][01]_Eddie Hung2020-04-131-0/+14
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* | Supress error for unhandled \init if whole module selectedEddie Hung2020-04-131-3/+4
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* | Support custom PROGRAM_PREFIXMiodrag Milanovic2020-04-104-14/+14
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* | Clean up `passes/techmap/hilomap.cc`.Alberto Gonzalez2020-04-091-6/+2
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* | Merge pull request #1865 from boqwxp/cleanup_dfflibmapwhitequark2020-04-061-27/+27
|\ \ | | | | | | Clean up `passes/techmap/dfflibmap.cc`.
| * | Clean up `passes/techmap/dfflibmap.cc`.Alberto Gonzalez2020-04-061-27/+27
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* / Clean up `passes/techmap/extract.cc`.Alberto Gonzalez2020-04-051-43/+36
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* Merge pull request #1767 from YosysHQ/eddie/idstringsEddie Hung2020-04-0226-523/+523
|\ | | | | IdString: use more ID::*, make them easier to use, speed up IdString::in()
| * kernel: big fat patch to use more ID::*, otherwise ID(*)Eddie Hung2020-04-0226-517/+515
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| * kernel: use more ID::*Eddie Hung2020-04-022-10/+12
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* | iopadmap: Fix z assignment to inout portMarcin Kościelnicki2020-04-021-1/+15
| | | | | | | | Fixes #1841.
* | Merge pull request #1842 from YosysHQ/mwk/fix-deminout-xzClaire Wolf2020-04-021-1/+1
|\ \ | |/ |/| deminout: prevent any constant assignment from demoting to input
| * deminout: prevent any constant assignment from demoting to inputMarcin Kościelnicki2020-03-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before this patch, ``` module top(inout io); assign io = 1'bx; endmodule ``` would have the `io` pin demoted to input (same happens for `1'bz`, but not for `1'b0` or `1'b1`), resulting in check failures later on. Part of fix for #1841.
* | Merge pull request #1845 from YosysHQ/eddie/kernel_speedupEddie Hung2020-04-023-4/+4
|\ \ | |/ |/| kernel: speedup by using more pass-by-const-ref
| * kernel: SigSpec use more const& + overloads to prevent implicit SigSpecEddie Hung2020-03-133-4/+4
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* | Merge pull request #1806 from YosysHQ/mwk/techmap-replace-fixClaire Wolf2020-03-261-1/+1
|\ \ | | | | | | techmap: Fix cell names with _TECHMAP_REPLACE_.*
| * | techmap: Fix cell names with _TECHMAP_REPLACE_.*Marcin Kościelnicki2020-03-231-1/+1
| |/ | | | | | | Fixes #1804.
* / iopadmap: Attempt to give new wires/cells meaningful namesR. Ou2020-03-221-6/+18
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