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* synth_*: call 'opt -fast' after 'techmap'Eddie Hung2020-02-051-0/+1
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* Add opt_lut_ins pass. (#1673)Marcelina Kościelnicka2020-02-031-0/+1
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* xilinx/ice40/ecp5: undo permuting LUT masks in lut_mapEddie Hung2020-01-271-77/+55
| | | | Now done in read_aiger
* Merge remote-tracking branch 'origin/master' into eddie/abc9_mfsEddie Hung2020-01-074-35/+31
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| * Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2020-01-064-4/+4
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| * \ Merge remote-tracking branch 'origin/master' into xaig_dffEddie Hung2020-01-021-2/+2
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| * | | Missing characterEddie Hung2019-12-311-1/+1
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| * | | Cleanup ecp5 boxesEddie Hung2019-12-314-35/+31
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* | | | Re-enable &mfs for synth_{ecp5,xilinx}Eddie Hung2020-01-061-2/+2
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* | | Merge pull request #1604 from whitequark/unify-ram-namingwhitequark2020-01-024-4/+4
|\ \ \ | |_|/ |/| | Harmonize BRAM/LUTRAM descriptions across all of Yosys
| * | Harmonize BRAM/LUTRAM descriptions across all of Yosys.whitequark2020-01-014-4/+4
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit: * renames all remaining instances of "DRAM" (which is ambiguous) to "LUTRAM" (which is not), finishing the work started in the commit 698ab9be; * renames memory rule files to brams.txt/lutrams.txt; * adds/renames script labels map_bram/map_lutram; * extracts where necessary script labels map_ffram and map_gates; * adds where necessary options -nobram/-nolutram. The end result is that BRAM/LUTRAM/FFRAM aspects of every target are now consistent with each other. Per architecture: * anlogic: rename drams.txt→lutrams.txt, add -nolutram, add :map_lutram, :map_ffram, :map_gates * ecp5: rename bram.txt→brams.txt, lutram.txt→lutrams.txt * efinix: rename bram.txt→brams.txt, add -nobram, add :map_ffram, :map_gates * gowin: rename bram.txt→brams.txt, dram.txt→lutrams.txt, rename -nodram→-nolutram (-nodram still recognized), rename :bram→:map_bram, :dram→:map_lutram, add :map_ffram, :map_gates
* | Update doc that "-retime" calls abc with "-dff -D 1"Eddie Hung2019-12-301-1/+1
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* | Revert "Revert "synth_* with -retime option now calls abc with -D 1 as well""Eddie Hung2019-12-301-1/+1
|/ | | | This reverts commit 6008bb7002f874e5c748eaa2050e7b6c17b32745.
* Nitpick cleanup for ecp5Eddie Hung2019-12-272-11/+3
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* Revert "Optimise write_xaiger"Eddie Hung2019-12-201-5/+0
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* Merge pull request #1558 from YosysHQ/eddie/xaiger_cleanupEddie Hung2019-12-191-0/+5
|\ | | | | Optimise write_xaiger
| * techmap/aigmap of whiteboxes to occur before abc9 instead of in write_xaigerEddie Hung2019-12-061-0/+5
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* | Merge pull request #1563 from YosysHQ/dave/async-prldDavid Shah2019-12-182-4/+28
|\ \ | | | | | | ecp5: Add support for mapping PRLD FFs
| * | ecp5: Add support for mapping PRLD FFsDavid Shah2019-12-072-4/+28
| |/ | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* / Fix bitwidth mismatch; suppresses iverilog warningEddie Hung2019-12-111-4/+4
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* ecp5: Use new autoname pass for better cell/net namesDavid Shah2019-11-151-0/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Pass -nomfs to abc9David Shah2019-10-201-2/+2
| | | | | | Fixes #1459 Signed-off-by: David Shah <dave@ds0.me>
* Makefile: don't assume python is called `python3`Sean Cross2019-10-191-2/+2
| | | | | | | | | | | | | | | | On some architectures, notably on Windows, the official name for the Python binary from python.org is `python`. The build system assumes that python is called `python3`, which breaks under this architecture. There is already infrastructure in place to determine the name of the Python binary when building PYOSYS. Since Python is now always required to build Yosys, enable this check universally which sets the `PYTHON_EXECUTABLE` variable. Then, reuse this variable in other Makefiles as necessary, rather than hardcoding `python3` everywhere. Signed-off-by: Sean Cross <sean@xobs.io>
* ecp5: Add ECLKBRIDGECS blackboxDavid Shah2019-10-111-0/+7
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add attrmvcp to copy syn_useioff to driving FFDavid Shah2019-10-101-0/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Set syn_useioff on IO FFs to enable packingDavid Shah2019-10-101-8/+8
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Rename abc_* names/attributes to more precisely be abc9_*Eddie Hung2019-10-0410-25/+25
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* Panic over. Model was elsewhere. Re-arrange for consistencyEddie Hung2019-10-041-0/+1
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* ecp5: Fix shuffle_enable portDavid Shah2019-10-011-2/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add support for mapping 36-bit wide PDP BRAMsDavid Shah2019-10-016-1/+183
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Combine 'flatten' & 'coarse' labels in synth_ecp5 so proc run onceEddie Hung2019-09-261-9/+4
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* Merge remote-tracking branch 'origin/master' into xc7dspEddie Hung2019-09-057-14/+53
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| * Rename boxEddie Hung2019-09-021-1/+1
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| * Merge remote-tracking branch 'origin/master' into xaig_arrivalEddie Hung2019-09-022-7/+8
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| * \ Merge remote-tracking branch 'origin/master' into xaig_arrivalEddie Hung2019-08-307-106/+147
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| * \ \ Merge remote-tracking branch 'origin/master' into xaig_arrivalEddie Hung2019-08-286-54/+212
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| * | | | Fix spacingEddie Hung2019-08-231-1/+1
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| * | | | Remove unused modelEddie Hung2019-08-231-13/+0
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| * | | | Merge remote-tracking branch 'origin/master' into xaig_arrivalEddie Hung2019-08-231-3/+6
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| * | | | | ecp5: remove DPR16X4 from abc_unmap.vEddie Hung2019-08-201-20/+0
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| * | | | | ecp5 to use -max_iter 1Eddie Hung2019-08-203-4/+3
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| * | | | | ecp5 to use abc_map.v and _unmap.vEddie Hung2019-08-207-14/+89
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* | | | | | Merge remote-tracking branch 'origin/master' into xc7dspEddie Hung2019-09-042-7/+8
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| * | | | | Fix TRELLIS_FF simulation modelMiodrag Milanovic2019-08-311-6/+7
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| * | | | | ecp5_gsr: Fix typoDavid Shah2019-08-311-1/+1
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* | | | | Merge remote-tracking branch 'origin/master' into xc7dspEddie Hung2019-08-307-106/+147
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| * | | | ecp5: Add simulation equivalence check for Diamond FF implementationsDavid Shah2019-08-303-0/+87
| | | | | | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | | ecp5: deduplicate Diamond FD/IFS/OFS/IO primitives.whitequark2019-08-305-95/+60
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| * | | | ecp5: allow (and enable by default) GSR on FD/IFS/OFS primitives.whitequark2019-08-301-35/+20
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| * | | | ecp5: add missing FD primitives.whitequark2019-08-302-72/+76
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