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3195 Commits

Author SHA1 Message Date
Eddie Hung 2d573a0ff6
Merge pull request #1926 from YosysHQ/eddie/abc9_auto_dff 
abc9: support seq synthesis when module has (* abc9_flop *) and bypass non-combinatorial (* abc9_box *)
 2020-05-18 08:06:50 -07:00
Eddie Hung 67fc0c3698 abc9: use (* abc9_keep *) instead of (* abc9_scc *); apply to $_DFF_?_ 
instead of moving them to $__ prefix
 2020-05-14 16:44:35 -07:00
Eddie Hung 07eecff9cc
Merge pull request #2055 from YosysHQ/eddie/logger_multiple 
logger: fix for multiple calls with same pattern
 2020-05-14 15:30:08 -07:00
Eddie Hung 7b3a4a1fff opt_expr: Sx to Sz; spotted by @Xiretza 2020-05-14 12:14:23 -07:00
Eddie Hung 73b7ea713c
Merge pull request #1994 from YosysHQ/eddie/fix_bug1758 
opt_expr: improve single-bit $and/$or/$xor/$xnor cells; gate cells too
 2020-05-14 11:56:22 -07:00
Eddie Hung 425867d175 logger: clean up doc 2020-05-14 10:38:31 -07:00
Eddie Hung 02df0198b6 abc9_ops: -prep_hier to create unmap module that removes Q's (* init *) 2020-05-14 10:33:57 -07:00
Eddie Hung 13f9d65b6f abc9: preserve $_DFF_?_.Q's (* init *); rely on clean to remove it 2020-05-14 10:33:57 -07:00
Eddie Hung fa31e84112 Fix broken test when ignoring abc9_flop with init == 1'b1 2020-05-14 10:33:57 -07:00
Eddie Hung 97a0a04314 abc9_ops/xaiger: further reducing Module::derive() calls by ... 
replacing _all_ (* abc9_box *) instantiations with their derived types
 2020-05-14 10:33:57 -07:00
Eddie Hung e79127fceb Cleanup; reduce Module::derive() calls 2020-05-14 10:33:57 -07:00
Eddie Hung 8d34aee3d5 abc9: update to =_$abc9_flops pattern which includes whiteboxes 2020-05-14 10:33:57 -07:00
Eddie Hung f652a9c11c abc9_ops: update docs 2020-05-14 10:33:57 -07:00
Eddie Hung 57c478c537 abc9: only do +/abc9_map if `DFF 2020-05-14 10:33:57 -07:00
Eddie Hung 2946bb60e9 abc9: rework submod -- since it won't move (* keep *) cells 2020-05-14 10:33:56 -07:00
Eddie Hung b65610fb62 abc9_ops: move assert 2020-05-14 10:33:56 -07:00
Eddie Hung ed7cb0b095 abc9: put 'aigmap' back 2020-05-14 10:33:56 -07:00
Eddie Hung b3e2538a14 abc9_ops: fix bypass boxes using (* abc9_bypass *) 2020-05-14 10:33:56 -07:00
Eddie Hung d5a8aaba8c abc9_ops: tidy up, suppress error if no boxes/holes 2020-05-14 10:33:56 -07:00
Eddie Hung e2044fd9c7 abc9_ops: -prep_delays to not insert delay box if input connection is const 2020-05-14 10:33:56 -07:00
Eddie Hung 8b5fb99245 abc9_ops: cleanup; -prep_dff -> -prep_dff_submod 2020-05-14 10:33:56 -07:00
Eddie Hung 7cd3f4a79b abc9_ops: add -prep_bypass for auto bypass boxes; refactor 
Eliminate need for abc9_{,un}map.v in xilinx
-prep_dff_{hier,unmap} -> -prep_hier
 2020-05-14 10:33:56 -07:00
Eddie Hung bb840cca9c abc9_ops: -reintegrate to handle $_FF_; cleanup 2020-05-14 10:33:56 -07:00
Eddie Hung c50601e35e abc9: restore selected_modules() 2020-05-14 10:33:56 -07:00
Eddie Hung 48052ad813 abc9: add flop boxes to basic $_DFF_P_ and $_DFF_N_ too 2020-05-14 10:33:56 -07:00
Eddie Hung 4cec21b93e abc9_ops: -prep_dff_map to error if async flop found 2020-05-14 10:33:56 -07:00
Eddie Hung c41c180f68 abc9: remove redundant wbflip 2020-05-14 10:33:56 -07:00
Eddie Hung ec4bbb1444 abc9: generate $abc9_holes design instead of <name>$holes 2020-05-14 10:33:56 -07:00
Eddie Hung c52bb11fb6 abc9_ops: more robust 2020-05-14 10:33:56 -07:00
Eddie Hung 8d7b3c06b2 abc9: suppress warnings when no compatible + used flop boxes formed 2020-05-14 10:33:56 -07:00
Eddie Hung fb447951be abc9: cleanup 2020-05-14 10:33:56 -07:00
Eddie Hung 8bad885e78 abc9_ops: -prep_dff_map to check $_DFF_[NP]_.Q drives module output 2020-05-14 10:33:56 -07:00
Eddie Hung 489e83fc1e abc9_ops: do away with '$abc9_cells' selection 2020-05-14 10:33:56 -07:00
Eddie Hung 043ad8e76c abc9_ops: use new 'design -delete' and 'select -unset' 2020-05-14 10:33:56 -07:00
Eddie Hung 509de98468 submod: revert accidental change 2020-05-14 10:33:56 -07:00
Eddie Hung e38b1280f9 abc9_ops: -prep_dff_map to warn if no specify cells 2020-05-14 10:33:56 -07:00
Eddie Hung a1ae5845f8 abc9_ops: -prep_dff_map to cope with plain $_DFF_[NP]_ flops 2020-05-14 10:33:56 -07:00
Eddie Hung 6b3aa91a2a abc9: cleanup 2020-05-14 10:33:56 -07:00
Eddie Hung edacb8f437 abc9_ops: do not use (* abc9_init *) 2020-05-14 10:33:56 -07:00
Eddie Hung 95763c8d18 abc9_ops: add 'dff' label for auto handling of (* abc9_flop *) boxes 2020-05-14 10:33:56 -07:00
Eddie Hung accfc70fc2 abc9: fix behaviour and help for -box option 2020-05-14 10:33:56 -07:00
Eddie Hung 65395168a0 logger: fix for multiple calls with same pattern 2020-05-14 10:32:07 -07:00
Eddie Hung cd92a706ae Fix whitespace 2020-05-14 09:51:17 -07:00
Eddie Hung 5be4b00a0d opt_clean: improve warning message 2020-05-14 00:59:38 -07:00
Eddie Hung fc9fb09a91 opt_clean: rminit without -purge; also remove if consistent with const.. 
warn otherwise
 2020-05-14 00:31:08 -07:00
Eddie Hung 68b31f5e99 opt_clean: really make 'clean' identical to 'opt_clean' by rminit too 2020-05-14 00:31:08 -07:00
Eddie Hung 9694dc42dd opt_expr: consume_x to require/imply !keepdc 2020-05-08 11:12:43 -07:00
Eddie Hung 17f4e06247 opt_expr: restore consume_x; use for coarse grained too 2020-05-08 11:07:44 -07:00
Claire Wolf 0610424940
Merge pull request #2005 from YosysHQ/claire/fix1990 
Add "nowrshmsk" attribute, fix shift-and-mask bit slice write for signed offset
 2020-05-07 18:11:48 +02:00
Claire Wolf 5c82c19b4b
Merge pull request #2014 from YosysHQ/claire/fixoptalu 
Fix the other "opt_expr -fine" bug introduced in 213a89558
 2020-05-03 11:56:29 +02:00