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* 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 abc_* names/attributes to more precisely be abc9_*Eddie Hung2019-10-041-9/+9
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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>
* | 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 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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* | 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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* Revert "Revert "Fix omode which inserts an output if none exists (otherwise ↵Eddie Hung2019-08-281-7/+8
| | | | | | abc9 breaks)"" This reverts commit 8f0c1232d7c511a6473f4581e4c27a90088cedb7.
* Revert "Output "h" extension only if boxes"Eddie Hung2019-08-281-32/+28
| | | | This reverts commit 399ac760ff2bf4a7d438ed388820e7bfb511de6b.
* Output "h" extension only if boxesEddie Hung2019-08-211-28/+32
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* Revert "Fix omode which inserts an output if none exists (otherwise abc9 ↵Eddie Hung2019-08-211-8/+7
| | | | | | breaks)" This reverts commit 8182cb9d91555d5be52abbfeeb5d22af05342d8a.
* Fix omode which inserts an output if none exists (otherwise abc9 breaks)Eddie Hung2019-08-201-7/+8
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* Revert "Only xaig if GetSize(output_bits) > 0"Eddie Hung2019-08-201-149/+147
| | | | This reverts commit 7b646101e936cacd20938c20ddfbaa63ee268fb2.
* Only xaig if GetSize(output_bits) > 0Eddie Hung2019-08-201-147/+149
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* Remove sequential extensionEddie Hung2019-08-201-270/+29
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* Do not sigmap!Eddie Hung2019-08-201-2/+2
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* Minor refactorEddie Hung2019-08-201-7/+6
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* Output i/o/h extensions even if no boxes or flopsEddie Hung2019-08-191-65/+66
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* Add (* abc_arrival *) attributeEddie Hung2019-08-191-9/+66
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* Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2019-08-191-1/+1
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| * Fix various NDEBUG compiler warnings, closes #1255Clifford Wolf2019-08-131-1/+1
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Use %dEddie Hung2019-08-191-1/+1
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* | Merge branch 'eddie/abc9_refactor' into xaig_dffEddie Hung2019-08-1612-209/+353
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| * | Compute abc_scc_break and move CI/CO outside of each abc9Eddie Hung2019-08-161-42/+0
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| * Merge pull request #1258 from YosysHQ/eddie/cleanupClifford Wolf2019-08-109-33/+33
| |\ | | | | | | Cleanup a few barnacles across codebase
| | * substr() -> compare()Eddie Hung2019-08-075-6/+6
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| | * RTLIL::S{0,1} -> State::S{0,1}Eddie Hung2019-08-074-12/+12
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| | * Merge remote-tracking branch 'origin/master' into eddie/cleanupEddie Hung2019-08-072-106/+240
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| | * | Use IdString::begins_with()Eddie Hung2019-08-061-2/+2
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| | * | RTLIL::S{0,1} -> State::S{0,1}Eddie Hung2019-08-061-5/+5
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| | * | Use State::S{0,1}Eddie Hung2019-08-063-6/+6
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| | * | Make liberal use of IdString.in()Eddie Hung2019-08-062-2/+2
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| * | | Merge pull request #1263 from ucb-bar/firrtl_err_on_unsupported_cellClifford Wolf2019-08-101-1/+1
| |\ \ \ | | | | | | | | | | FIRRTL error on unsupported cell
| | * \ \ Merge branch 'master' into firrtl_err_on_unsupported_cellJim Lawson2019-08-079-116/+287
| | |\ \ \ | | | | |/ | | | |/| | | | | | | | | | | # Conflicts: # backends/firrtl/firrtl.cc
| | * | | Call log_error() instead of log_warning() on unsupported cell type in FIRRTL ↵Jim Lawson2019-07-241-1/+1
| | | | | | | | | | | | | | | | | | | | backend.
| * | | | Run "clean -purge" on holes_module in its own designEddie Hung2019-08-071-6/+11
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