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4833 Commits

Author SHA1 Message Date
Miodrag Milanović 05d1d56b9d
Merge pull request #5704 from apullin/apullin/abc9-no-loops-fix 
abc9: preserve topological-loop asserts with targeted SCC fallback
 2026-03-04 11:09:38 +01:00
Miodrag Milanovic b7d013e6bf Fix help message for equiv passes 2026-03-04 07:46:40 +01:00
KrystalDelusion 1d3f9b7905
Merge pull request #5687 from YosysHQ/nella/pdr-doc 
Update help text for rename -witness and write_aiger -ywmap
 2026-03-02 09:29:25 +13:00
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
Emil J 5f8489d36d
Merge pull request #5666 from YosysHQ/emil/equiv_induct-missing-model-errors 
equiv_induct: error on missing model
 2026-02-25 15:39:31 +01:00
Miodrag Milanović 0ed7c5ad53
Merge pull request #5620 from YosysHQ/lofty/abc9-verify 
abc9: verify post-mapping equivalence by default
 2026-02-20 13:41:11 +01:00
Krystine Sherwin 094481739f memory_libmap: Add -force-params 
Reduce complexity for adi brams by unconditionally providing the WIDTH and ABITS parameters.
 2026-02-20 10:57:00 +00:00
nella 01e89a8f9e Remove cell mentions. 2026-02-18 09:29:35 +01:00
nella 2b4f481850 Cleanup docs. 2026-02-18 09:24:41 +01:00
Emil J. Tywoniak 77f64de997 satgen: move report_missing_model here from equiv.h 2026-02-16 17:01:09 +01:00
Emil J. Tywoniak 81ea922512 sat: use the same cell import warnings as equiv 2026-02-16 16:54:26 +01:00
nella e6e57b33e3 document abc --keep-going pdr [sc-220]. 2026-02-15 09:00:04 +01:00
Gus Smith 8ab105ac28
Merge pull request #4303 from Coloquinte/sat_choice 
Infrastructure to run a Sat solver as a command
 2026-02-11 06:54:53 -08:00
Emil J fba29ea8f1
Merge pull request #5679 from YosysHQ/emil/abc9-remove-liberty 
abc9: remove -liberty
 2026-02-11 12:36:29 +01:00
Emil J. Tywoniak 915912cc76 abc9: remove -dont_use 2026-02-11 11:39:09 +01:00
Emil J. Tywoniak c4094e457b abc9: remove -genlib, -constr 2026-02-11 11:34:54 +01:00
Emil J. Tywoniak 5a46106a46 abc9: remove -liberty 2026-02-11 01:04:50 +01:00
Gus Smith 6f6fa49d3c Typo 2026-02-09 09:05:56 -08:00
Gus Smith 1502e23371 Set solver from scratchpad or command line 2026-02-06 19:26:32 -08:00
Gus Smith f062a0c8d6 Typo 2026-02-06 17:26:08 -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
Emil J 1717fa0180
Merge pull request #5663 from YosysHQ/emil/opt_expr-fix-pow-shift 
opt_expr: fix const lhs of $pow to $shl
 2026-02-05 13:09:01 +01:00
Emil J 8bbde80e02
Merge pull request #5631 from rocallahan/cleanup-compare-signals 
Clean up `compare_signals()` in `opt_clean`
 2026-02-04 17:45:05 +01:00
Emil J 992e64342c
Merge pull request #5621 from rocallahan/remove-opt-sort 
Remove `Design::sort()` calls from optimization passes
 2026-02-04 16:55:56 +01:00
Robert O'Callahan 7326bb7d66
Only reuse ABC processes if we're using yosys-abc and it was built with ENABLE_READLINE 
(cherry picked from commit 5054fd17d7b70f2df97360bb0f0cc1c92a6ffe72)
 2026-02-04 17:19:10 +13:00
Emil J. Tywoniak ed53ff2f49 equiv_simple, equiv_induct: fix config 2026-02-03 18:37:39 +01:00
Emil J. Tywoniak 8d1c1faf82 equiv_simple, equiv_induct: error by default on missing model, add -ignore-unknown-cells 2026-02-03 18:10:29 +01:00
Emil J. Tywoniak 8e73e2a306 sat: add -ignore-unknown-cells instead of -ignore_unknown_cells for consistency 2026-02-03 18:10:29 +01:00
Emil J. Tywoniak 000be270ca equiv_simple, equiv_induct: refactor 2026-02-03 17:54:46 +01:00
Emil J. Tywoniak 3bfeaee8ca opt_expr: fix const lhs of $pow to $shl 2026-02-03 11:59:00 +01:00
KrystalDelusion 414b1b6019
Merge pull request #5651 from rocallahan/abc-error-nonfatal 
Handle ABC nonfatal "Error:" messages
 2026-02-03 08:55:05 +13:00
Miodrag Milanović ac427a79b0
Merge pull request #5644 from nataliakokoromyti/upstream-linux-perf-unistd 
Add unistd header for Linux
 2026-01-30 08:17:43 +01:00
Robert O'Callahan 9c56c93632 Add missing newlines to some 'log_error's 2026-01-30 01:52:19 +00:00
Robert O'Callahan 6af1b5b19c Don't treat ABC 'Error:' output as indicating a fatal error, since these messages aren't necessarily fatal 2026-01-30 01:52:19 +00:00
Emil J a68fee1115
Merge pull request #5646 from rocallahan/debug-design_equal 
Dump module details when `design_equal` fails
 2026-01-29 18:57:24 +01:00
Robert O'Callahan 139c38ecfa Dump module details when design_equal fails 2026-01-28 18:32:12 +00:00
nella 8f6c4d40e4
Merge pull request #5623 from YosysHQ/nella/opt-dff-rewrite 
opt_dff restructure.
 2026-01-28 14:41:40 +01:00
Natalia 6a6e5f0f54 linux_perf: only include unistd on Linux 2026-01-28 03:44:33 -08:00
Natalia fc2b7c317f linux_perf: include unistd for POSIX I/O 2026-01-28 03:14:20 -08:00
Emil J 75008b70e5
Merge pull request #5638 from YosysHQ/emil/linux_perf-fix-help 
linux_perf: mark internal, fix help formatting
 2026-01-28 11:06:08 +01:00
Krystine Sherwin 8ed7ac04d8
linux_perf.cc: Fix overlength codeblock 2026-01-28 08:17:56 +13:00
Krystine Sherwin 4031310ebb
linux_perf.cc: Use formatted_help 
Gets the codeblock formatting better.

Also fold the on|off into a single usage.
 2026-01-28 08:10:31 +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. Tywoniak ef3b2b0380 linux_perf: mark internal, fix help formatting 2026-01-26 22:59:20 +01:00
nella 9367090763 OptDff more accurate ctrl/pattern desc. 2026-01-26 22:19:36 +01:00
nella 5803461c24 opt_dff pattern extraction. 2026-01-26 22:10:10 +01:00
Emil J 29a9e42b64
Merge pull request #5628 from rocallahan/linux-perf-ctl 
Add `linux_perf` command to turn Linux perf recording on and off.
 2026-01-26 19:32:55 +01:00
nella 8576055dea Fix tests. 2026-01-26 18:41:41 +01:00
Emil J 673c8d1ae7
Merge pull request #5615 from rocallahan/remove-used-signals-updates 
Don't update `used_signals` for retained wires in `rmunused_module_signals`.
 2026-01-26 15:47:25 +01:00
nella a75e0b2e92 opt_dff minor cleanup, added tests for comp var. 2026-01-26 14:24:01 +01:00