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357 Commits

Author SHA1 Message Date
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
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
Clifford Wolf c84cdc711c Remove some left-over log_dump() 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-23 17:55:41 +02:00
Clifford Wolf 8ed4a53d99
Merge pull request #951 from YosysHQ/clifford/logdebug 
Add log_debug() framework
 2019-04-22 20:09:51 +02:00
Clifford Wolf e158ea2097 Add log_debug() framework 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-22 17:25:52 +02:00
Clifford Wolf 0f0ada13f4 Add full_pmux feature to pmux2shiftx 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-22 15:26:20 +02:00
Clifford Wolf fc23af1707 Auto-initialize OnehotDatabase on-demand in pmux2shiftx.cc 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 18:13:37 +02:00
Clifford Wolf 97e9caa4fa Add "onehot" pass, improve "pmux2shiftx" onehot handling 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 17:52:16 +02:00
Clifford Wolf b3a3e08e38 Improve "pmux2shiftx" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 02:03:44 +02:00
Clifford Wolf e06d158e8a Fix some typos 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 01:18:07 +02:00
Clifford Wolf 37728520a6 Improvements in "pmux2shiftx" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 01:15:48 +02:00
Clifford Wolf 0070184ea9 Improvements in pmux2shiftx 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 00:38:25 +02:00
Clifford Wolf 177878cbb0 Improve pmux2shift ctrl permutation finder 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 00:38:25 +02:00
Clifford Wolf 481f0015be Complete rewrite of pmux2shiftx 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 00:38:25 +02:00
Clifford Wolf 1bf8c2b823 Import initial pmux2shiftx from eddieh 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 00:38:25 +02:00