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111 Commits

Author SHA1 Message Date
Eddie Hung 69f4c039ce Safe side: all flops have different mergeability class 2019-07-02 12:21:03 -07:00
Eddie Hung a31e17182d Refactor and cope with new abc_flop format 2019-07-01 11:50:34 -07:00
Eddie Hung 699d8e3939 Merge remote-tracking branch 'origin/master' into xaig_dff 2019-07-01 10:44:42 -07:00
Eddie Hung 38d8806bd7 Add generic __builtin_bswap32 function 2019-06-28 09:59:47 -07:00
Eddie Hung 36e2eb06bb Fix more potential for undefined behaviour due to container invalidation 2019-06-28 09:51:43 -07:00
Eddie Hung 9398921af1 Refactor for one "abc_carry" attribute on module 2019-06-27 16:07:14 -07:00
Eddie Hung 080a5ca536 Improve debugging message for comb loops 2019-06-26 20:02:38 -07:00
Eddie Hung 7903ebe3e0 Carry in/out box ordering now move to end, not swap with end 2019-06-22 14:18:42 -07:00
Eddie Hung fddb027cab Replace assert with error message 2019-06-21 17:18:04 -07:00
Eddie Hung 7074ec9cd5 Add log_push()/log_pop() inside write_xaiger 2019-06-21 17:17:29 -07:00
Eddie Hung 65c1199acd One more workaround for gcc-4.8 2019-06-21 14:36:24 -07:00
Eddie Hung bd7ec673dd No point logging constant bit 2019-06-21 14:31:09 -07:00
Eddie Hung 70c93ea0c4 Move comment 2019-06-21 14:31:09 -07:00
Eddie Hung e21f01d938 Refactor bit2aig for less lookups 2019-06-20 22:10:43 -07:00
Eddie Hung 32f8014e12 Fix gcc error, due to dict invalidation during recursion 2019-06-20 22:10:43 -07:00
Eddie Hung 8e56cfb6bb write_xaiger to flatten 1'bx/1'bz to 1'b0 again 2019-06-20 19:41:27 -07:00
Eddie Hung ad36eb24c0 Fix different abc9 test 2019-06-20 19:41:27 -07:00
Eddie Hung 9faeba7a66 Fix broken abc9.v test due to inout being 1'bx 2019-06-20 19:41:27 -07:00
Eddie Hung 4e5836a5fb Handle COs driven by 1'bx 2019-06-20 17:38:04 -07:00
Eddie Hung f2d541962e write_xaiger to skip POs driven by 1'bx 2019-06-20 17:37:54 -07:00
Eddie Hung 0c59bc0b75 Cleanup 2019-06-16 10:42:00 -07:00
Eddie Hung fb90d8c18c Cleanup 2019-06-16 09:34:26 -07:00
Eddie Hung 6852c83bbe Cleanup write_xaiger 2019-06-15 22:50:15 -07:00
Eddie Hung bd2690e9b9 Preserve init of flops, and write into XAIG 2019-06-15 22:41:13 -07:00
Eddie Hung 2309459605 Do not treat $__ABC_FF_ as a user cell 2019-06-15 19:36:55 -07:00
Eddie Hung 0debea25a7 Update comment 2019-06-15 18:24:04 -07:00
Eddie Hung c2f3f116d0 Use $__ABC_FF_ instead of $_FF_ 2019-06-15 18:16:14 -07:00
Eddie Hung 6d74b3e004 Update comment 2019-06-15 09:36:02 -07:00
Eddie Hung 357d36ef4f write_xaiger to treat abc_flop boxes as boxff for ABC 2019-06-15 09:07:03 -07:00
Eddie Hung 7ff8330d1e Leave breadcrumb behind 2019-06-14 13:34:40 -07:00
Eddie Hung 46e69ee934 Remove redundant condition 2019-06-14 13:31:18 -07:00
Eddie Hung 9b55e69755 Revert "Cleanup/optimise toposort in write_xaiger" 
This reverts commit 1948e7c846.

Restores old toposort with optimisations
 2019-06-14 13:29:36 -07:00
Eddie Hung 746f70a9ce Update comment 2019-06-14 13:10:46 -07:00
Eddie Hung 0fa6a441f1 Check that whiteboxes are synthesisable 2019-06-14 13:08:38 -07:00
Eddie Hung 2d85725604 Get rid of compiler warnings 2019-06-14 13:07:56 -07:00
Eddie Hung 7876b5b8be Cover __APPLE__ too for little to big endian 2019-06-14 12:40:51 -07:00
Eddie Hung a48b5bfaa5 Further cleanup based on @daveshah1 2019-06-14 12:25:06 -07:00
Eddie Hung 97d2656375 Resolve comments from @daveshah1 2019-06-14 12:00:02 -07:00
Eddie Hung ee428f73ab Remove WIP ABC9 flop support 2019-06-14 10:37:52 -07:00
Eddie Hung 1656c44373 Cleanup 2019-06-14 10:29:27 -07:00
Eddie Hung 751e640c1d Merge branch 'xaig' of github.com:YosysHQ/yosys into xaig 2019-06-14 10:29:16 -07:00
Eddie Hung 1948e7c846 Cleanup/optimise toposort in write_xaiger 2019-06-14 10:13:17 -07:00
David Shah 9566573054 ecp5: Add abc9 option 
Signed-off-by: David Shah <dave@ds0.me>
 2019-06-14 17:15:02 +01:00
Eddie Hung 8374eb1cb4 Remove unnecessary undriven_bits.insert 2019-06-12 15:55:02 -07:00
Eddie Hung fb2758aade write_xaiger to preserve POs even if driven by constant 2019-06-12 15:44:30 -07:00
Eddie Hung 2e7b3eee40 Add a couple more tests 2019-06-12 15:43:43 -07:00
Eddie Hung 14e870d4c4 More write_xaiger cleanup 2019-06-12 10:00:57 -07:00
Eddie Hung 4be417f6e1 Cleanup write_xaiger 2019-06-12 09:53:14 -07:00
Eddie Hung b21d29598a Consistency 2019-06-12 09:40:51 -07:00
Eddie Hung 7b186740d3 Add log_assert to ensure no loops 2019-06-04 12:01:25 -07:00