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Code Activity
10733 commits 123 branches 59 tags 44 MiB
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521 commits

Author SHA1 Message Date
Bogdan Vukobratovic
fe651922cb Merge remote-tracking branch 'upstream/master' 2019-06-14 12:06:57 +02:00
Bogdan Vukobratovic
53695e6729 Prepare for situation when port of the signal cannot be found 2019-06-14 11:39:24 +02:00
Bogdan Vukobratovic
291b36afeb Some cleanup, revert sat.cc 2019-06-14 11:35:45 +02:00
Bogdan Vukobratovic
8665f48879 Implement disconnection of constant register bits 2019-06-13 19:35:37 +02:00
Bogdan Vukobratovic
d69989b8d2 Rename satgen_algo.h -> algo.h, code cleanup and refactoring 2019-06-12 19:35:05 +02:00
Bogdan Vukobratovic
9892df17ef Generate satgen instance instead of calling sat pass 2019-06-11 11:47:13 +02:00
Eddie Hung
5b999ae68d Elaborate muxpack doc 2019-06-10 10:32:19 -07:00
Eddie Hung
f705f6a0b5 Comment O(N) -> O(N^2) 2019-06-07 15:39:12 -07:00
Eddie Hung
ba52d9b471 Extend ExclusiveDatabase to query SigSpec-s (for $pmux) 2019-06-07 15:34:16 -07:00
Eddie Hung
9b408838f1 Add ExclusiveDatabase to check exclusive $eq/$logic_not cell results 2019-06-07 14:18:17 -07:00
Eddie Hung
887df8914c Resolve @cliffordwolf comment on redundant check 2019-06-07 11:37:52 -07:00
Eddie Hung
5ab59cd59e Resolve @cliffordwolf comment on sigmap 2019-06-07 11:36:19 -07:00
Eddie Hung
5c277c6325 Fix and test for balanced case 2019-06-06 14:21:34 -07:00
Eddie Hung
ccdf989025 Support cascading $pmux.A with $mux.A and $mux.B 2019-06-06 13:51:22 -07:00
Eddie Hung
dc7b8c4b94 More cleanup 2019-06-06 12:56:34 -07:00
Eddie Hung
978fda94f6 Fix spacing 2019-06-06 12:46:42 -07:00
Eddie Hung
d2172c6846 Non chain user check using next_sig 2019-06-06 12:44:50 -07:00
Eddie Hung
83450a9489 Move muxpack from passes/techmap to passes/opt 2019-06-06 12:15:13 -07:00
Eddie Hung
feb2ddb52b Fix typo in opt_rmdff 2019-06-05 14:08:14 -07:00
Clifford Wolf
8a6f9977f6 Suppress driver-driver conflict warning for unknown cell types, fixes #1065 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-06-05 09:14:12 +02:00
Bogdan Vukobratovic
9a468f81c4 Optimizing DFFs whose initial value prevents their value from changing 
This is a proof of concept implementation that invokes SAT solver via Pass::call
method.
 2019-05-28 08:48:21 +02:00
Clifford Wolf
2a9c68e2d6
Merge pull request #1026 from YosysHQ/clifford/fix1023 
Keep zero-width wires in opt_clean if and only if they are ports
 2019-05-27 13:24:19 +02:00
Eddie Hung
d4fb6cac7c Revert enable check 2019-05-25 12:55:57 -07:00
Eddie Hung
822d0b7789 opt_rmdff to optimise even in presence of enable signal, even removing 2019-05-24 18:30:51 -07:00
Eddie Hung
0d66103cbb Add comments 2019-05-24 16:33:10 -07:00
Eddie Hung
357b1de6bc Resolve @cliffordwolf review, set even if !has_init 2019-05-24 16:15:22 -07:00
Eddie Hung
5ac7e38d0a Fix spacing 2019-05-23 12:58:30 -07:00
Eddie Hung
50ed34a6d0 opt_rmdff to work on $dffe and $_DFFE_* 2019-05-23 11:26:18 -07:00
Clifford Wolf
e3f9ccf56d Keep zero-width wires in opt_clean if and only if they are ports, fixes #1023 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-22 13:57:36 +02:00
Clifford Wolf
c4b8575f43 Add "wreduce -keepdc", fixes #1016 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-20 15:36:13 +02:00
Clifford Wolf
a21a84b3b4 Improvements in opt_clean 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-15 16:01:28 +02:00
Clifford Wolf
8166a142dd Fix handling of glob_abort_cnt in opt_muxtree, fixes #1002 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-12 13:51:12 +02:00
Clifford Wolf
a76189e7ad More opt_clean cleanups 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-07 14:41:58 +02:00
Clifford Wolf
752553d8e9
Merge pull request #946 from YosysHQ/clifford/specify 
Add specify parser
 2019-05-06 20:57:15 +02:00
Clifford Wolf
d187be39d6 Merge branch 'master' of github.com:YosysHQ/yosys into clifford/fix968 2019-05-06 15:41:13 +02:00
Clifford Wolf
ba6ce21a74 Cleanups in opt_clean 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-06 12:45:22 +02:00
Clifford Wolf
c7f2e93024 Merge branch 'master' of github.com:YosysHQ/yosys into clifford/specify 2019-05-06 11:46:10 +02:00
Clifford Wolf
a01386c0e4 Improve opt_clean handling of unused wires 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-04 09:47:16 +02:00
Eddie Hung
d9c4644e88 Merge remote-tracking branch 'origin/master' into clifford/specify 2019-05-03 15:05:57 -07:00
Clifford Wolf
373b236108
Merge pull request #969 from YosysHQ/clifford/pmgenstuff 
Improve pmgen, Add "peepopt" pass with shift-mul pattern
 2019-05-03 20:39:50 +02:00
Clifford Wolf
42190207b4 Improve opt_expr and opt_clean handling of (partially) undriven and/or unused wires, fixes #981 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-03 14:25:01 +02:00
Clifford Wolf
5c2c0b4bb2 Further improve unused-detection for opt_clean driver-driver conflict warning 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-03 09:22:26 +02:00
Clifford Wolf
f12e1155f1 Improve unused-detection for opt_clean driver-driver conflict warning 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-03 09:12:10 +02:00
Clifford Wolf
a30b99e66e Silently resolve completely unused cell-vs-const driver-driver conflicts 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-05-01 09:29:34 +02:00
Clifford Wolf
32ff37bb5a Fix segfault in wreduce 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-30 22:20:45 +02:00
Clifford Wolf
9d117eba9d Add handling of init attributes in "opt_expr -undriven" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-30 14:46:12 +02:00
Clifford Wolf
b515fd2d25 Add peepopt_muldiv, fixes #930 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-30 11:25:15 +02:00
Clifford Wolf
754b1ee4b3 Drive dangling wires with init attr with their init value, fixes #956 2019-04-29 08:44:53 +02:00
Clifford Wolf
71c38d9de5 Add $specrule cells for $setup/$hold/$skew specify rules 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-23 21:36:59 +02:00
Clifford Wolf
634482380c Preserve $specify[23] cells 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-23 21:36:59 +02:00