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65 Commits

Author SHA1 Message Date
Clifford Wolf f570aa5e1d Fix smt2 code generation for partially initialized memowy words, fixes #831 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-28 12:15:58 -08:00
Clifford Wolf b6781c6f4b Add support for signed $shift/$shiftx in smt2 back-end 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-11-01 11:40:58 +01:00
Henner Zeller 3aa4484a3c Consistent use of 'override' for virtual methods in derived classes. 
o Not all derived methods were marked 'override', but it is a great
  feature of C++11 that we should make use of.
o While at it: touched header files got a -*- c++ -*- for emacs to
  provide support for that language.
o use YS_OVERRIDE for all override keywords (though we should probably
  use the plain keyword going forward now that C++11 is established)
 2018-07-20 23:51:06 -07:00
Clifford Wolf 25a864fc73 Fixed -stbv handling in SMT2 back-end 2018-04-04 17:28:07 +02:00
Clifford Wolf 77bd645c35 Add $mem support to SMT2 clock tagging 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-03-27 02:11:20 +02:00
Clifford Wolf 8b7602e660 Improve SMT2 encoding of $reduce_{and,or,bool} 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-03-04 21:22:20 +01:00
Clifford Wolf b13e6bd375 Add smtbmc support for exist-forall problems 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-02-23 19:33:30 +01:00
Clifford Wolf 17583b6a21 Add support for mockup clock signals in yosys-smtbmc vcd output 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-02-20 17:45:22 +01:00
Clifford Wolf c9672e2e2e Fix handling of zero-length cell connections in SMT2 back-end 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-02-08 19:12:12 +01:00
Clifford Wolf 9419de3e37 Add yosys-smtbmc VCD writer support for memories with async writes 2017-12-14 03:06:00 +01:00
Clifford Wolf 2625da6440 Add smt2 back-end support for async write memories 2017-12-14 02:07:10 +01:00
Clifford Wolf 455c1c9d97 Fix SMT2 handling of initstate in sub-modules 2017-10-29 13:21:20 +01:00
Clifford Wolf c2d737457a Fix bug in write_smt2 (export logic driving hierarchical cells before exporting regs) 2017-08-25 11:44:48 +02:00
Clifford Wolf 8f8baccfde Fix generation of vlogtb output in yosys-smtbmc for "rand reg" and "rand const reg" 2017-06-07 12:30:24 +02:00
Clifford Wolf 05cdd58c8d Add $_ANDNOT_ and $_ORNOT_ gates 2017-05-17 09:08:29 +02:00
Clifford Wolf 106e44f406 Add "write_smt2 -stdt" mode 2017-03-20 12:00:35 +01:00
Clifford Wolf c855353986 Improve smt2 encodings of assert/assume/cover, better wire_smt2 help msg 2017-03-04 23:41:54 +01:00
Clifford Wolf 80ecd7a26f Fix extra newline bug in write_smt2 2017-02-26 14:41:27 +01:00
Clifford Wolf fd1cc0c73d Improve (and fix for stbv mode) SMT2 memory API 2017-02-26 10:58:34 +01:00
Clifford Wolf 7af9727f78 Add "write_smt2 -stbv" 2017-02-24 18:24:53 +01:00
Clifford Wolf a9c3acf5a2 Add SMT2 statebv mode (inactive for now) 2017-02-24 14:04:52 +01:00
Clifford Wolf 0c0784b6bf Partially implement cover() support in yosys-smtbmc 2017-02-04 18:17:08 +01:00
Clifford Wolf 6abf79eb28 Further improve cover() support 2017-02-04 17:02:13 +01:00
Clifford Wolf 52c243cf05 Added support for partially initialized regs to smt2 back-end 2016-12-01 12:00:00 +01:00
Clifford Wolf df2e5aad6f Bugfix in smt2 back-end for pure checker modules 2016-11-28 15:15:09 +01:00
Clifford Wolf 189fbd4cf8 cleanup in write_smt2 log messages (-bv and -mem are now default) 2016-10-16 23:02:51 +02:00
Clifford Wolf bdc316db50 Added $anyseq cell type 2016-10-14 15:24:03 +02:00
Clifford Wolf 8ebba8a35f Added $ff and $_FF_ cell types 2016-10-12 01:18:39 +02:00
Clifford Wolf d009cdd6ee Improved handling of SMT2 logics in yosys-smtbmc 2016-09-18 20:48:09 +02:00
Clifford Wolf b582f11074 fixed write_smt2 for (non-combinatorial) loops through hierarchical cells 2016-09-10 15:14:41 +02:00
Clifford Wolf 3ceba145d5 smt2 mem init bugfix 2016-09-08 18:08:15 +02:00
Clifford Wolf 14bfd3c5c1 yosys-smtbmc meminit support 2016-09-08 11:16:12 +02:00
Clifford Wolf 372d672c2a Minor bugfix in write_smt2 2016-09-04 16:32:47 +02:00
Clifford Wolf fa5565b606 Added boolector support to yosys-smtbmc 2016-09-03 14:26:00 +02:00
Clifford Wolf aa25a4cec6 Added $anyconst support to yosys-smtbmc 2016-08-30 19:27:42 +02:00
Clifford Wolf a8124c137e Fixed memory bug in write_smt2 2016-08-30 14:49:47 +02:00
Clifford Wolf b04a40d9fe Made "write_smt2 -bv -mem" default, added "write_smt2 -nobv -nomem" 2016-08-30 12:40:09 +02:00
Clifford Wolf 39e4faa2e4 Added $anyconst support to smt2 back-end 2016-08-30 11:26:10 +02:00
Clifford Wolf 17233b11e1 Various fixes and improvements in smt2 back-end 2016-08-26 17:33:02 +02:00
Clifford Wolf 7a33b9892a yosys-smtbmc: improved --dump-vlogtb handling of memories 2016-08-21 15:56:22 +02:00
Clifford Wolf c325bae792 Deprecated "write_smt2 -regs" (by default on now), and some other smt2 back-end improvements 2016-08-20 18:41:57 +02:00
Clifford Wolf dfcd30ea86 Added printing of code loc of failed asserts to yosys-smtbmc 2016-08-17 20:10:02 +02:00
Clifford Wolf da56a5bbc6 Added $initstate support to smtbmc flow 2016-07-27 16:11:37 +02:00
Clifford Wolf 0153ad85d9 Moved smt2 yosys info parsing from smtbmc.py to smtio.py 2016-07-11 11:49:05 +02:00
Clifford Wolf 771c5fe000 Support for hierarchical designs in smt2 back-end 2016-07-10 18:11:25 +02:00
Clifford Wolf 0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Clifford Wolf 207736b4ee Import more std:: stuff into Yosys namespace 2015-10-25 19:30:49 +01:00
Clifford Wolf 7f110e7018 renamed SigSpec::to_single_sigbit() to SigSpec::as_bit(), added is_bit() 2015-10-24 22:56:40 +02:00
Clifford Wolf 302166dd59 Improvements in yosys-smtbmc 2015-10-15 15:10:33 +02:00
Clifford Wolf 3a22b31bda Added write_smt2 -wires 2015-10-13 17:17:12 +02:00