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* opt_reduce: Fix use-after-free.Marcelina Kościelnicka2022-07-231-4/+2
| | | | Fixes #3418.
* sim: Fix $anyseq in nested modulesJannis Harder2022-07-221-11/+21
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* Fix external ABC build after commit 0ca0932b5.Catherine2022-07-072-4/+8
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* Merge pull request #3395 from jix/opt_dff_keepdc_initivalJannis Harder2022-07-011-5/+17
|\ | | | | opt_dff: With -keepdc, never turn undef init vals into const drivers
| * opt_dff: With -keepdc, never turn undef init vals into const driversJannis Harder2022-06-291-5/+17
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* | Merge pull request #3396 from jix/async2sync_const_clocksJannis Harder2022-07-011-0/+3
|\ \ | | | | | | async2sync: turn FFs with const clks into gclk FFs with feedback
| * | async2sync: turn FFs with const clks into gclk FFs with feedbackJannis Harder2022-06-301-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | The formal backends do not support multiple clocks. This includes constant clocks. Constant clocks do appear in what isn't a proper multiclock design, for example when mapping not fully initialized ROMs. As converting FFs with constant clocks to FFs using the global is doable even in a single clock flow, make async2sync do this.
* | | Merge pull request #3391 from programmerjake/simcheck-allow-smtlib2-blackboxesJannis Harder2022-07-011-7/+16
|\ \ \ | |/ / |/| | add hierarchy -smtcheck
| * | add hierarchy -smtcheckJacob Lifshay2022-06-221-7/+16
| |/ | | | | | | like -simcheck, but allow smtlib2_module modules.
* | memory_map: avoid undriven unused FF inputs for -keepdcJannis Harder2022-06-281-0/+3
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* | memory_map: -keepdc option for formalJannis Harder2022-06-271-3/+14
|/ | | | Use it when invoking memory_map -rom-only from write_{smt2,btor}.
* memory_map: Add -rom-only option.Marcelina Kościelnicka2022-06-171-4/+18
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* memory_map: Use const drivers instead of FFs for ROMs.Marcelina Kościelnicka2022-06-171-52/+59
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* memory_libmap: Fix wrprio handling.Marcelina Kościelnicka2022-06-171-1/+1
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* memory_libmap: Fix params emitted for unused ports for consistency.Marcelina Kościelnicka2022-06-161-2/+3
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* Merge pull request #3196 from bfg86/bfg86/renameN. Engelhardt2022-06-131-4/+13
|\ | | | | Add -suffix option to rename -wire
| * Updating help-text with nakengelhardts suggestion.bfg862022-06-131-2/+2
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| * Add -suffix option to rename -wire.bfg862022-02-111-4/+13
| | | | | | | | See #3195
* | opt_ffinv: Fix use after free.Marcelina Kościelnicka2022-06-131-3/+6
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* | Merge pull request #3349 from nakengelhardt/select_count_scratchpadN. Engelhardt2022-06-092-0/+12
|\ \ | | | | | | Make 'stat' and 'select -count' save counts to scratchpad
| * | also make 'stat' save counts to scratchpadN. Engelhardt2022-06-011-0/+9
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| * | have 'select -count' save the count to scratchpad entry 'select.count'N. Engelhardt2022-06-011-0/+3
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* | | Merge pull request #3359 from jix/fmcombine-memidN. Engelhardt2022-06-091-0/+3
|\ \ \ | | | | | | | | fmcombine: Add _gold/_gate suffix to memids
| * | | fmcombine: Add _gold/_gate suffix to memidsJannis Harder2022-06-031-0/+3
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* | | | Avoid unnecessary copy of a potential large constant value.Henner Zeller2022-06-091-2/+2
| | | | | | | | | | | | | | | | | | | | The local variable is used just to iterate through the values, so a const reference is all we need.
* | | | wreduce: Introduce -mux_undef option (aligned with opt_expr).Marcelina Kościelnicka2022-06-081-1/+9
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* | | | sta: warn on unrecognised cells only onceLofty2022-06-081-1/+4
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* | | | opt_ffinv: Harden against simple ff/inv loop.Marcelina Kościelnicka2022-06-071-0/+4
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* | | | iopadmap: Fix z assignment removal.Marcelina Kościelnicka2022-06-071-7/+21
|/ / / | | | | | | | | | Fixes #3360.
* | | Fix preventing show crashing with newer graphvizMiodrag Milanovic2022-06-031-1/+6
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* | | Add -no-rw-check option to memory_dff + memory + synth_{ice40,ecp5,gowin}.Marcelina Kościelnicka2022-06-022-7/+23
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* | | memory_dff: Add support for no_rw_check attribute.Marcelina Kościelnicka2022-06-022-0/+13
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* | Observe $TMPDIR variable when creating tmp filesMohamed A. Bamakhrama2022-05-273-3/+3
| | | | | | | | | | | | | | | | | | POSIX defines $TMPDIR as containing the pathname of the directory where programs can create temporary files. On most systems, this variable points to "/tmp". However, on some systems it can point to a different location. Without respecting this variable, yosys fails to run on such systems. Signed-off-by: Mohamed A. Bamakhrama <mohamed@alumni.tum.de>
* | abc9_ops: Don't leave unused derived modules lying aroundgatecat2022-05-231-0/+9
| | | | | | | | | | | | | | These later become accidentally used for techmap replacements for blackboxes that we don't actually want. Signed-off-by: gatecat <gatecat@ds0.me>
* | select: Fix -assert-none and -assert-any error output and docsJannis Harder2022-05-191-8/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both of these options consider a selection containing only empty modules as non-empty. This wasn't mentioned in the documentation nor did the error message when using `select -assert-none` list those empty modules, which produced a very confusing error message complaining about a non-empty selection followed by an empty listing of the selection. This fixes the documentation and changes the `-assert-none` and `-assert-any` assertion error messages to also output fully selected modules (this includes selected empty modules). It doesn't change the messages for `-assert-count` etc. as they don't count modules.
* | Add memory_bmux2rom pass.Marcelina Kościelnicka2022-05-183-1/+97
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* | Add memory_libmap pass.Marcelina Kościelnicka2022-05-185-0/+3872
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* | proc_rom: Add special handling of const-0 address bits.Marcelina Kościelnicka2022-05-181-15/+40
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* | opt_ffinv: Use ModIndex instead of ModWalker.Marcelina Kościelnicka2022-05-171-50/+53
| | | | | | | | This avoids using out-of-data index information.
* | Add opt_ffinv pass.Marcelina Kościelnicka2022-05-132-0/+256
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* | Add proc_rom pass.Marcelina Kościelnicka2022-05-133-0/+239
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* | Merge pull request #3299 from YosysHQ/mmicko/sim_memoryMiodrag Milanović2022-05-091-2/+18
|\ \ | | | | | | sim pass: support for memories
| * | fix crash when no fst inputMiodrag Milanovic2022-05-041-1/+2
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| * | Start restoring memory state from VCD/FSTMiodrag Milanovic2022-05-041-2/+17
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* | | opt_mem: Remove constant-value bit lanes.Marcelina Kościelnicka2022-05-071-13/+143
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* | | memory_share: fix wrong argidx in extra_argsimhcyx2022-05-051-1/+1
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* | | abc: Use dict/pool instead of std::map/std::setMarcelina Kościelnicka2022-05-041-14/+14
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* | AIM file could have gaps in or between inputs and initsMiodrag Milanovic2022-05-021-3/+6
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* | Merge pull request #3257 from jix/tribuf-formalJannis Harder2022-04-251-3/+46
|\ \ | | | | | | tribuf: `-formal` option: convert all to logic and detect conflicts
| * | tribuf: `-formal` option: convert all to logic and detect conflictsJannis Harder2022-04-121-3/+46
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