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* | Do not sigmap keep bits inside write_xaigerEddie Hung2019-11-251-1/+1
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* | write_xaiger back to working with whole modules onlyEddie Hung2019-11-221-5/+2
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* | Revert "write_xaiger to not use module POs but only write outputs if driven"Eddie Hung2019-11-221-23/+11
| | | | | | | | This reverts commit 0ab1e496dc601f8e9d5efbcc5b2be7cf6b2d9673.
* | write_xaiger to not use module POs but only write outputs if drivenEddie Hung2019-11-211-11/+23
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* | abc9 to support async flops $_DFF_[NP][NP][01]_Eddie Hung2019-11-191-1/+2
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* | Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2019-11-194-21/+103
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| * write_verilog: add -extmem option, to write split memory init files.whitequark2019-11-181-10/+80
| | | | | | | | | | Some toolchains (in particular Quartus) are pathologically slow if a large amount of assignments in `initial` blocks are used.
| * Use cell name for btor bad state props when it is a public nameClifford Wolf2019-11-141-9/+5
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * Add an info string symbol for bad states in btor backendMakai Mann2019-11-111-1/+10
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| * Fix write_aiger bug added in 524af21Clifford Wolf2019-11-041-0/+3
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * Merge pull request #1393 from whitequark/write_verilog-avoid-initClifford Wolf2019-10-271-4/+5
| |\ | | | | | | write_verilog: do not print (*init*) attributes on regs
| | * write_verilog: do not print (*init*) attributes on regs.whitequark2019-09-221-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If an init value is emitted for a reg, an (*init*) attribute is never necessary, since it is exactly equivalent. On the other hand, some tools that consume Verilog (ISE, Vivado, Quartus) complain about (*init*) attributes because their interpretation differs from Yosys. All (*init*) attributes that would not become reg init values anyway are emitted as before.
| * | Bugfix in smtio vcd handling of $-identifiersClifford Wolf2019-10-231-6/+9
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Rename $currQ to $abc9_currQEddie Hung2019-10-071-8/+8
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* | | Get rid of latch_* in write_xaigerEddie Hung2019-10-071-7/+1
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* | | Remove "write_xaiger -zinit"Eddie Hung2019-10-071-16/+6
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* | | Add comment on default flop initEddie Hung2019-10-071-0/+1
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* | | Get rid of output_port lookupEddie Hung2019-10-071-14/+8
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* | | Do not require changes to cells_sim.v; try and work out comb modelEddie Hung2019-10-051-48/+70
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* | | Error if $currQ not foundEddie Hung2019-10-051-0/+4
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* | | Fix merge issuesEddie Hung2019-10-041-1/+1
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* | | Merge remote-tracking branch 'origin/eddie/abc_to_abc9' into xaig_dffEddie Hung2019-10-041-11/+11
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| * | Rename abc_* names/attributes to more precisely be abc9_*Eddie Hung2019-10-041-9/+9
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* | | Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2019-10-032-20/+23
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| * | Change smtbmc "Warmup failed" status to "PREUNSAT"Clifford Wolf2019-10-031-14/+14
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | Fix btor back-end to use "state" instead of "input" for undef init bitsClifford Wolf2019-10-021-6/+9
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | No need to punch ports at allEddie Hung2019-09-301-0/+24
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* | | Remove need for $currQ port connectionEddie Hung2019-09-301-3/+3
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* | | CleanupEddie Hung2019-09-301-100/+3
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* | | Use a cell_cache to instantiate once rather than opt_merge callEddie Hung2019-09-301-15/+15
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* | | scc call on active module module only, plus cleanupEddie Hung2019-09-301-8/+12
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* | | Use derived moduleEddie Hung2019-09-301-22/+5
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* | | Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2019-09-291-8/+8
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| * | Merge pull request #1359 from YosysHQ/xc7dspEddie Hung2019-09-291-8/+8
| |\ \ | | | | | | | | DSP inference for Xilinx (improved for ice40, initial support for ecp5)
| | * | "abc_padding" attr for blackbox outputs that were padded, remove them laterEddie Hung2019-09-231-1/+6
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| | * | Force $inout.out ports to begin with '$' to indicate internalEddie Hung2019-09-231-1/+1
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| | * | When two boxes connect to each other, need not be a (* keep *)Eddie Hung2019-09-191-6/+1
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* | | | Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2019-09-294-5/+8
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| * | | Merge pull request #1413 from YosysHQ/mmicko/backend_binary_outMiodrag Milanović2019-09-293-4/+4
| |\ \ \ | | | | | | | | | | Support binary files for backends, fixes #1407
| | * | | Add aiger and protobuf backends binary supportMiodrag Milanovic2019-09-282-3/+3
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| | * | | Support binary files for backends, fixes #1407Miodrag Milanovic2019-09-281-1/+1
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| * / / Corrects btor2 backendAman Goel2019-09-271-1/+4
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* | | Big rework; flop info now mostly in cells_sim.vEddie Hung2019-09-281-62/+93
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* | | Use abc_mergeability attr for "r" extensionEddie Hung2019-09-271-58/+66
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* | | Fix infinite recursionEddie Hung2019-09-271-1/+1
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* | | Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2019-09-274-10/+29
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| * | Add "write_aiger -L"Clifford Wolf2019-09-181-5/+16
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | Fix stupid bug in btor back-endClifford Wolf2019-09-181-1/+1
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | backends: smt2: use $(CXX) variable for compilerSean Cross2019-09-081-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | The Makefile assumes the compiler is called `gcc`, which isn't always true. In fact, if we're building on msys2 or msys2-64, the compiler is called `i686-w64-mingw32-g++` or `x86_64-w64-mingw32-g++`. Use the variable instead of hardcoding the name, to fix building on these systems. Signed-off-by: Sean Cross <sean@xobs.io>
| * Recognise built-in types (e.g. $_DFF_*)Eddie Hung2019-08-301-3/+3
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