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196 Commits
Author SHA1 Message Date
Tharaka ebaecb50bf mcm: refactor and move score_intermediate into scorer 2026-10-02 09:26:57 +02:00
Tharaka ca911ddb38 multiple constant multiplication (mcm) pass 2026-10-02 09:26:57 +02:00
nella 2b4f1bce68 Fix abc9 private init. 2026-09-27 19:55:42 +02:00
Emil J. Tywoniak 692ca9c0b8 bufnorm: cover IO pad handling with tests 2026-09-23 11:50:36 +02:00
Lofty 415dfc0960 xaiger2: add testcase from #4349 2026-09-16 08:13:23 +01:00
Lofty d85872386a Merge pull request #6174 from YosysHQ/lofty/abc-refactor-16 
abc9: migrate to write_xaiger2
 2026-09-14 16:25:07 +00:00
Miodrag Milanović ae86bbb130 Revert "Temporarily revert #6101 and #6077" 2026-09-10 09:09:13 +02:00
Miodrag Milanovic 9f75ca1f98 Release version 0.69 2026-09-09 07:26:44 +02:00
Miodrag Milanović f1442ce42e Merge pull request #6182 from YosysHQ/lofty/revert-read_xaiger2 
Temporarily revert #6101 and #6077
 2026-09-08 04:53:08 +00:00
Lofty 51583d854a Revert "Merge pull request #6077 from YosysHQ/lofty/abc-refactor-8" 
This reverts commit fd6367405e, reversing
changes made to 0f2bcb94b7.
 2026-09-07 17:29:08 +01:00
nella c4b6c19580 Rank cells on tuple. 2026-09-04 11:16:24 +02:00
nella ad5f80bf0d Drop replaced box. 2026-09-03 14:16:31 +02:00
Lofty 85c930f64d update tests 2026-09-01 12:47:01 +01:00
Emil J dd83bbad28 Merge pull request #6116 from antmicro/mgan/hdlname-fix 
Fix ignored `hdlname` attribute in `dfflibmap` pass
 2026-08-24 11:36:17 +00:00
Mateusz Gancarz 1c1c56dfad dfflibmap: move all attributes to new cells 2026-08-13 15:56:43 +02:00
nella b8959e70ba Merge pull request #6072 from YosysHQ/nella/dlatchlibmap-cleanup 
Update to `dfflibmap` to be able to map LATCHes (clean up of #5976)
 2026-08-13 08:38:19 +00:00
Lofty fd6367405e Merge pull request #6077 from YosysHQ/lofty/abc-refactor-8 
abc_ops_reintegrate: xaiger2 compatibility
 2026-08-10 13:14:40 +00:00
Loftyandnella d1357f171f fix handling of multiple modules 
Co-authored-by: nella <[email protected]>
 2026-08-10 10:17:31 +01:00
nellaandIztok Jeras 9050446798 Add latch tests, extend dff tests. 
Co-authored-by: Iztok Jeras <[email protected]>
 2026-08-10 10:59:03 +02:00
Miodrag Milanovic ebf286ab40 Code cleanup 2026-08-04 17:18:22 +02:00
Lofty 5e6fcf3b36 cleanup 2026-08-03 13:28:33 +01:00
Emil J. Tywoniak 5f5f8b99b1 liberty: cleanup 2026-07-30 16:44:12 +02:00
Emil J. Tywoniak 82914a0204 dfflibmap: error on wide registers in design 2026-07-27 22:24:28 +02:00
Emil J. Tywoniak c50290fdab dfflibmap: fix formal verilog test so that it actually maps all flops 2026-07-27 22:08:39 +02:00
Emil J. Tywoniak 1a1d9494da dfflibmap: check formal verilog test actually maps all flops 2026-07-27 22:06:22 +02:00
Johan Olby 63457de80e mul2dsp: normalize operand order 
Move the operand commute that puts the wider operand on A ahead of the
min-width checks. Checking the min-widths first made an asymmetric rule
(DSP_A_MINWIDTH != DSP_B_MINWIDTH) match only products that already had the
wider operand on A; a product in the other order was rejected before the
normalization.
 2026-07-15 16:21:07 +02:00
Emil J. Tywoniak eb96123030 dfflibmap: add regression test for resetval clobber 2026-07-14 18:02:02 +02:00
Miodrag Milanovic a689342207 Remove trailing whitespaces 2026-06-23 07:24:59 +02:00
Miodrag Milanovic 48a3dcc02a End of file fix 2026-06-23 07:23:41 +02:00
nella eb4703808a Add tests. 2026-06-15 15:46:13 +02:00
Miodrag Milanovic c0779f488a Make out of tree build testing possible 2026-05-19 14:26:07 +02:00
Emil J 1f02343268 Merge pull request #5817 from YosysHQ/emil/clockgate-reject-sdffe 
clockgate: reject $sdffe to fix priority handling
 2026-05-08 18:38:51 +00:00
Emil J. Tywoniak 425d47ad2c clockgate: test $sdffe rejected 2026-05-07 16:13:14 +02:00
Emil J. Tywoniak 687e5442f2 clockgate: formal liberty tests 2026-05-07 16:08:55 +02:00
Lofty 0d3923d086 abc_new: use default script if not specified 2026-04-28 12:33:21 +01:00
Miodrag Milanovic ced2521b03 Convert gen-tests shell script to python 2026-04-16 11:00:44 +02:00
Emil J 86448c0001 Merge pull request #5655 from YosysHQ/emil/dffsr-sr-priority-undef 
Undefine set&reset behavior of $dffsr
 2026-04-08 14:22:34 +00:00
Emil J. Tywoniak 12b443e71c dfflibmap: consistent clk2fflogic usage in test 2026-03-19 19:48:25 +01:00
Lofty c4cc53a72e synth: fix after abc -fast removal 2026-03-18 17:59:58 +01:00
Emil J. Tywoniak 5b4603c54f dfflibmap: fix formal $dffsr tests with sat, prove "no s&r" assumption only needed when appropriate 2026-03-03 10:35:03 +01:00
Emil J. Tywoniak 024408004a dfflibmap: allow formal dffsr mapping tests with clk2fflogic 2026-03-03 10:34:29 +01:00
Emil J. Tywoniak 2dddc53ccf dfflibmap: test dffsr and dffsre from proc with equiv 2026-03-03 10:34:29 +01:00
Emil J. Tywoniak c13a623dbc dfflibmap: test dffsr with either priority liberty file 2026-03-03 10:34:29 +01:00
Emil J. Tywoniak ffb76a3486 dfflibmap: test dffsr mapping without assume 2026-03-03 10:34:29 +01:00
Andrew Pullin 5970be33fb abc9: preserve topological-loop asserts with targeted SCC fallback 
A real-world ABC9 flow hit residual combinational loops after SCC breaking, tripping the prep_xaiger loop assertion.

Keep the existing topological assertions in place (prep_xaiger and reintegrate still assert no_loops).

To handle residual non-box loops, add a targeted fallback in prep_xaiger: when loops remain after normal SCC breaking, insert additional $__ABC9_SCC_BREAKER cuts on non-box loop cells, rebuild toposort, and then re-check the existing assertion.

Also keep pre-ABC9 SCC tagging on all cell types (scc -all_cell_types) and add a regression test (tests/techmap/abc9-nonbox-loop-with-box.ys).
 2026-02-26 22:30:32 -08:00
Robert O'Callahan 34f8582725 Sanitize ABC global and per-run temporary directory names in logs 2026-02-07 12:12:13 +13:00
Gus Smith 09ceadfde7 Merge pull request #4269 from povik/icells_not_derived 
Avoid `module_not_derived` on internal cells in techmap result
 2026-01-26 14:48:40 -08:00
Emil J f5ea73eb97 Merge pull request #5557 from nataliakokoromyti/lut2mux-word 
lut2mux: add -word option
 2026-01-23 17:24:41 +01:00
KrystalDelusion 125609105d Merge pull request #5593 from RCoeurjoly/RCoeurjoly/5574_fix 
abc: handle ABC script errors instead of hanging
 2026-01-23 07:16:48 +13:00
Gus Smith 491276983e Add test 2026-01-19 18:34:55 -08:00