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* write_xaiger: inherit port ordering from original moduleEddie Hung2019-12-271-5/+16
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* Revert "Merge pull request #1598 from YosysHQ/revert-1588-eddie/xaiger_cleanup"Eddie Hung2019-12-271-19/+27
| | | | | This reverts commit 92654f73ea92ee9e390c8ab50d8cb51c47a7ffa9, reversing changes made to 3e14ff16676884a1f65cf0eeb0ca9cb1958b8804.
* Merge branch 'master' of github.com:YosysHQ/yosysEddie Hung2019-12-271-27/+19
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| * Revert "write_xaiger: only instantiate each whitebox cell type once"David Shah2019-12-271-27/+19
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* | write_xaiger: simplify c{i,o}_bitsEddie Hung2019-12-271-12/+6
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* write_xaiger: only instantiate each whitebox cell type onceEddie Hung2019-12-201-19/+27
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* Revert "Optimise write_xaiger"Eddie Hung2019-12-201-24/+21
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* Stray newlineEddie Hung2019-12-061-1/+0
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* write_xaiger to inst each cell type once, do not call techmap/aigmapEddie Hung2019-12-061-21/+25
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* Revert "Fold loop"Eddie Hung2019-11-271-3/+6
| | | | This reverts commit a30d5e1cc35791a98b2269c5e587c566fe8b0a35.
* latch -> boxEddie Hung2019-11-261-1/+1
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* Fold loopEddie Hung2019-11-261-6/+3
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* Do not sigmap keep bits inside write_xaigerEddie Hung2019-11-261-1/+1
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* xaiger: do not promote output wiresEddie Hung2019-11-261-5/+0
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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 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>