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1616 Commits

Author SHA1 Message Date
nella c3c577f333 Fix test cases. 2026-04-13 12:48:05 +02:00
nella 135812ab02 Further CSA cleanup. 2026-04-13 12:48:05 +02:00
nella 847a8941e9 Clang-Format CSA tree. 2026-04-13 12:48:05 +02:00
nella a02c238874 Consolidate Wallace from booth and CSA. 2026-04-13 12:48:05 +02:00
nella 4bbffecf98 Invert. 2026-04-13 12:48:05 +02:00
nella 42c309347b Clarify. 2026-04-13 12:48:05 +02:00
Emil J. Tywoniak b6d656e932 csa_tree: move to techmap 2026-04-13 12:48:05 +02:00
Emil J. Tywoniak 41b69df2cb abc_new: stable TopoSort 2026-04-06 15:09:52 +02:00
Emil J b44188110b
Merge pull request #5764 from YosysHQ/emil/constmap-error 
constmap: error if no -cell set
 2026-03-23 15:15:04 +00:00
Lofty f560cba952
Merge pull request #5757 from YosysHQ/lofty/abc9-refactor-3 
abc9: remove -fast [sc-269]
 2026-03-19 08:41:45 +00:00
Lofty 27210627e5 abc9: remove -fast 2026-03-19 07:30:23 +00:00
Lofty 8d1d5a25e5
Merge pull request #5760 from YosysHQ/lofty/abc-refactor-2 
abc: remove -S [sc-269]
 2026-03-19 07:26:54 +00:00
Lofty 05de1c4ae2
Merge pull request #5759 from YosysHQ/lofty/abc9-refactor-4 
abc9: remove abc9.if.C [sc-269]
 2026-03-19 07:26:37 +00:00
Emil J. Tywoniak 7aaa0621d3 constmap: error if no -cell set 2026-03-19 00:01:14 +01:00
Lofty f9d930ba5a
Revert "abc: remove -fast [sc-269]" 2026-03-18 17:55:17 +00:00
Lofty e05ed6b850
Merge pull request #5758 from YosysHQ/lofty/abc-refactor-1 
abc: remove -fast [sc-269]
 2026-03-18 15:09:36 +00:00
Lofty 0b3f103745 abc: remove -S 2026-03-18 14:40:23 +00:00
Lofty 93c762c7c1 abc9: remove abc9.if.C 2026-03-18 14:27:27 +00:00
Lofty 926814f1e4 abc9: cleanup commented code 2026-03-18 14:16:31 +00:00
Lofty 0ea739b7d9 abc: remove -fast 2026-03-18 14:15:42 +00:00
Lofty e78690fc47 abc9_exe: fix typo 2026-03-18 11:44:13 +00:00
Emil J 0d7a875675
Merge pull request #5512 from YosysHQ/emil/turbo-celltypes 
celltypes: compile-time lookup tables for internal cells
 2026-03-04 14:47:57 +00:00
Emil J. Tywoniak ecb8b20f62 yosys: use newcelltypes for yosys_celltypes users 2026-03-04 12:39:44 +01:00
Emil J. Tywoniak 4ab22cbb97 abc: use newcelltypes 2026-03-04 12:22:14 +01:00
Tianji Liu 750d536bba abc: new option to pass ABC read_lib args 2026-03-04 11:24:24 +08:00
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
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
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
Robert O'Callahan 34f8582725
Sanitize ABC global and per-run temporary directory names in logs 2026-02-07 12:12:13 +13:00
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
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
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
Lofty 5a9d73369a abc9: verify post-mapping equivalence by default 2026-01-20 09:58:35 +00:00
Martin Povišer 90673cb0a2 techmap: Use `-icells` mode of frontend instead of type fixup 2026-01-19 16:49:49 -08:00
Robert O'Callahan 28c199fbbd Fix warning about unused variable in `dffunmap`. 2026-01-19 03:25:09 +00:00
nataliakokoromyti 8a596f330a Update lut2mux.cc 2026-01-13 15:02:17 -08:00
nataliakokoromyti 40f9e235de
Update lut2mux.cc 2026-01-13 14:45:46 -08:00
nataliakokoromyti 6a93a94d9f
fix line 2026-01-13 14:44:51 -08:00
nataliakokoromyti c305c426eb
restore extra_args 2026-01-13 14:43:52 -08:00
Emil J. Tywoniak 8e2038c419 Use digit separators for large decimal integers 2026-01-13 16:38:12 +01:00
Miodrag Milanović 51b210c93c
Merge pull request #5600 from YosysHQ/fix_musllinux 
musllinux fix so wheels build can work
 2026-01-13 07:08:04 +01:00
Emil J cc25ccfcd7
Merge pull request #5559 from nataliakokoromyti/upstream-lut2bmux 
add lut2bmux
 2026-01-12 16:09:13 +01:00
Miodrag Milanovic b3b71df07c musllinux fix so wheels build can work 2026-01-12 15:38:45 +01:00
Miodrag Milanovic 2b12b74121 musllinux fix so wheels build can work 2026-01-11 15:23:38 +01:00
Roland Coeurjoly f1fc704c84 abc: handle ABC script errors instead of hanging 2026-01-07 23:46:33 +01:00
Natalia 11b0e7ad92 add lut2bmux 2026-01-06 14:48:16 +01:00
Natalia 721b504479 lut2mux: add -word option and test 2025-12-23 05:57:40 -08:00
Miodrag Milanović 09f9e0e8d1
Merge pull request #5568 from rocallahan/abc-spawn-errno 
Print `errno` to help diagnose failure to spawn ABC
 2025-12-23 08:09:14 +01:00
Robert O'Callahan 0e61f57458 Print errno to help diagnose failure to spawn ABC 2025-12-22 21:58:15 +00:00
Robert O'Callahan 46cb05c471 Pass IdString by value instead of by const reference. 
When IdString refcounting was expensive, it made sense to pass it by const reference
instead of by value, to avoid refcount churn. Now that IdString is not refcounted,
it's slightly more efficient to pass it by value.
 2025-12-22 01:52:59 +00:00
Krystine Sherwin 9d3d8bf502
Switch posix_spawn to posix_spawnp 2025-12-15 09:40:04 +13:00
Emil J 9871e9b17e
Merge pull request #5496 from YosysHQ/emil/liberty-flop-loops 
read_liberty: support loopy retention cells
 2025-12-01 22:50:20 +01:00
Emil J. Tywoniak e8cbc92462 abc_new: sorted -> is_sorted 2025-11-24 11:46:09 +01:00
Mike Inouye 615e338acd
Fix abc_new pass when not in NDEBUG 2025-11-21 14:10:05 -08:00
Robert O'Callahan e33ca17388 Force a newline to appear before YOSYS_ABC_DONE 2025-11-21 03:50:07 +00:00
Emil J. Tywoniak b3112bf025 filterlib: prefer using precedence over unsynthesizable verilog 2025-11-21 00:43:54 +01:00
Robert O'Callahan 8c2984dc5f Fix AbcModuleState::remap_name() to avoid calling IdString::c_str() 2025-11-12 11:52:04 +01:00
Emil J. Tywoniak 967e91aa73 libparse: fix parsing and memory safety of quoted values 2025-11-11 13:44:50 +01:00
Emil J 365c6753c4
Merge pull request #5453 from rocallahan/sigspec-onechunk 
Make `SigSpec` const methods multithreading-compatible
 2025-11-10 17:48:42 +01:00
Robert O'Callahan 3f7af10eda Make SigSpec::chunks() return an object that can be iterated over without packing the SigSpec 2025-11-07 15:54:54 +00:00
Emil J a16fc9b4f3
Merge pull request #5467 from YosysHQ/emil/liberty-unquoted-expressions 
libparse: support unquoted expressions
 2025-11-06 19:45:17 +01:00
Emil J. Tywoniak fdcc4c1507 libparse: remove leftover comments 2025-11-06 13:30:09 +01:00
Robert O'Callahan 0f770285f3 Move global ABC configuration variables into AbcConfig and initialize them properly 2025-11-05 13:56:04 +00:00
Emil J. Tywoniak 90553267b0 libparse: fix quoting and negedge in filterlib -verilogsim 2025-11-05 14:13:58 +01:00
Emil J. Tywoniak 504b668ea6 libparse: fix verilogsim negedge 2025-11-05 13:49:05 +01:00
Emil J. Tywoniak bf29f6dc11 libparse: tolerate closing quotes in expression parsing 2025-11-05 13:06:09 +01:00
Emil J. Tywoniak 4fac7a1b20 libparse: fix space before closing paren in expressions 2025-11-05 13:05:56 +01:00
Emil J. Tywoniak 547e254a9b libparse: parse expressions in filterlib 2025-11-05 13:05:56 +01:00
Emil J. Tywoniak 66d8fc5c28 libparse: quirk-compatibility for unquoted boolean expression strings 2025-11-05 11:00:25 +01:00
Emil J. Tywoniak b2fe335b2d dfflibmap: fix next_state inversion propagation for DFF flops by inverting reset value polarity 2025-10-28 13:56:28 +01:00
Emil J 9a12d92551
Merge pull request #5386 from YosysHQ/emil/liberty-glob-all 
Expand wildcards in Liberty file consumers
 2025-10-09 20:21:48 +02:00
Miodrag Milanović 4cdaac003f
Merge pull request #3991 from adrianparvino/alumacc-sign 
alumacc: merge independent of sign
 2025-10-08 13:02:10 +02:00
Jannis Harder 2c94ca85d9 abc_new: Avoid bufnorm helper cell churn 
We were performing the helper passes `abc9_ops -replace_zbufs` and
`abc9_ops -restore_zbufs` for every module, but those passes act on the
full design (and can't be applied entirely selectively due to entering
and leaving bufnorm).

This lead to an explosive creation of a lot of redundant bufnorm helper
cells that would have been cleaned up by `clean` but that never ran.
Instead we now run each helper pass once, one before and one after
iterating over the selected modules. This limits the number of bufnorm
helper cells.
 2025-10-07 18:05:28 +02:00
Krystine Sherwin da2e021e3b abc9.cc: Use -r for &dch 
Avoids "ABC: The command has to terminate. Boxes are not in a topological order." error during `&if`.
 2025-10-06 14:07:40 +01:00
Martin Povišer 29e0144ebc
Merge pull request #5381 from povik/abc9-multilib 
Support multiple lib files in abc9_exe
 2025-09-25 09:45:09 +02:00
Jannis Harder 71882debe7 simplemap: Remove leftover debug output 2025-09-24 13:20:27 +02:00
Jannis Harder 904d49c6d8 abc9_ops: Remove temporary debug log message 
I missed this when adding the -replace_zbufs option.
 2025-09-24 13:20:27 +02:00
Emil Jiří Tywoniak 4508676e67 libcache: support liberty filename globbing 2025-09-24 11:41:51 +02:00
Emil Jiří Tywoniak 856a387aad dfflibmap: support liberty filename globbing 2025-09-24 11:41:51 +02:00
Emil Jiří Tywoniak a28c0c632b clockgate: support liberty filename globbing 2025-09-24 11:41:51 +02:00
Jannis Harder 7a69dbb63d
Merge pull request #5372 from rocallahan/abc-done 
Make ABC_DONE tracking more robust
 2025-09-24 08:40:26 +02:00
Emil J 5f6819fd76
Merge pull request #5361 from YosysHQ/emil/simplemap-transfer-src 
simplemap: fix src attribute transfer
 2025-09-23 20:40:57 +02:00
Martin Povišer 3f4b6dc5d3 Support multiple lib files in abc9_exe 2025-09-23 20:34:08 +02:00
Robert O'Callahan 1e5f920dbd Remove .c_str() from parameters to log_debug() 2025-09-23 19:10:33 +12:00
Jannis Harder 13a2481da7
Merge pull request #5365 from rocallahan/deterministic-abc 
Extract ABC results in the order of `assigned_cells`
 2025-09-22 23:21:11 +02:00
Emil J a78eb9e151
Merge pull request #5315 from YosysHQ/emil/write_rtlil-no-sort 
write_rtlil: don't sort
 2025-09-22 11:14:39 +02:00
Robert O'Callahan 7f6fae1f66 Extract ABC results in the order of `assigned_cells`. 
Currently the order of extraction can vary based on which ABC runs finish first. That's
nondeterministic, therefore bad. Instead, force the processing to happen in the same order
as `assigned_cells`, i.e. the same order we use when not using parallelism. This should
make everything deterministic.

Note that we still allow ABC runs to complete out of order. Out-of-order results are
just not extracted until all the previous runs have completed and their results
extracted.
 2025-09-22 05:07:03 +00:00
Robert O'Callahan 4fc782ef2b Make ABC_DONE detection more robust. 
1) Change token from ABC_DONE to YOSYS_ABC_DONE to be a bit more robust against false matches.
2) Emit the token from the sourced script so that we don't have to worry about it showing up in the echoing
of the command as it executes. It will only appear in ABC stdout when it executes, i.e. when
our script has completed.
3) `set abcout` doesn't actually switch ABC to line buffering on stdout, since HAVE_SETVBUF is not actually
set in ABC builds in general. So stop using that. ABC does the necessary flushing when
`source` has finished.
 2025-09-22 05:01:51 +00:00
Robert O'Callahan 2de641d051 Don't redirect spawned ABCs' stderr to our pipe. 
popen() doesn't do this and we should emulate the behavior of popen() as much as possible.
 2025-09-22 05:01:51 +00:00
Emil J. Tywoniak 96f87aa2d4 simplemap: fix src attribute transfer 2025-09-18 12:59:12 +02:00
Jannis Harder 4f239b536b abc_new: Hide buffered 'z drivers from read/write_xaiger2 
With the updated bufnorm code, buffered 'z drivers are used as anchor
points for undirected connections. These are currently not supported by
read/write_xaiger2, so we temporarily replace those by roughly
equivalent $tribuf cells which will be handled as blackboxes that
properly roundtrip through the xaiger2 front and backend.
 2025-09-17 13:56:46 +02:00
Jannis Harder 5f79a6e868 Clean up $buf with 'z inputs, $input_port and $connect cells 
This ensures that entering and leaving bufnorm followed by `opt_clean`
is equivalent to just running `opt_clean`.

Also make sure that 'z-$buf cells get techmapped in a compatible way.
 2025-09-17 13:56:46 +02:00
Emil J 73e47ac3fe
Merge pull request #5357 from rocallahan/builtin-ff 
Instead of using `builtin_ff_cell_types()` directly, go through a method `Cell::is_builtin_ff()`
 2025-09-17 11:37:16 +02:00
Robert O'Callahan d24488d3a5 Instead of using builtin_ff_cell_types() directly, go through a method Cell::is_builtin_ff() 2025-09-17 03:24:19 +00:00