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yosys
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177 Commits

Author SHA1 Message Date
Eddie Hung c34d57de2e Update CHANGELOG and manual for departure from upstream 2020-04-27 12:08:45 -07:00
Marcelina Kościelnicka 38a0c30d65 Get rid of dffsr2dff. 
This pass is a proper subset of opt_rmdff, which is called by opt, which
is called by every synth flow in the coarse part.  Thus, it never
actually does anything and can be safely removed.
 2020-04-15 16:22:37 +02:00
Teguh Hofstee b08932cb81 fix typo in `write_smt2` help 2020-03-23 02:14:26 -07:00
whitequark 161eba253f manual: explain RTLIL::Wire::{upto,offset}. 2020-02-09 14:54:07 +00:00
Claire Wolf 8f40113826
Merge pull request #1553 from whitequark/manual-dffx 
Document $dffe, $dffsr, $_DFFE_*, $_DFFSR_* cells
 2020-01-28 09:41:08 +01:00
Eddie Hung 6d4b6b1e69
Merge pull request #1575 from rodrigomelo9/master 
Fixed some missing "verilog_" in documentation
 2019-12-15 19:00:34 -08:00
Eddie Hung b0231df3e5
Merge pull request #1577 from gromero/for-yosys 
manual: Fix text in Abstract section
 2019-12-15 18:59:55 -08:00
Rodrigo Alejandro Melo e9dc2759c4 Fixed some missing "verilog_" in documentation 2019-12-13 10:17:05 -03:00
Gustavo Romero 993a77d19b manual: Fix text in Abstract section 2019-12-11 08:22:08 -03:00
whitequark 72a5674c03 manual: document $dffe, $dffsr, $_DFFE_*, $_DFFSR_* cells. 2019-12-05 10:28:43 +00:00
whitequark ec4c9267b3 manual: document behavior of many comb cells more precisely. 2019-12-04 11:32:14 +00:00
Clifford Wolf 023086bd46 Add $_NMUX_, add "abc -g cmos", add proper cmos cell costs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-08-06 04:47:55 +02:00
whitequark 9251c000e8 manual: explain the purpose of `sync always`. 2019-07-02 17:10:13 +00:00
whitequark addf01d45d Explain exact semantics of switch and case rules in the manual. 2019-06-19 05:22:40 +00:00
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 aec2475a9d Add CellTypes support for $specify2 and $specify3 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-23 21:36:59 +02:00
whitequark fc2dd7ec8e manual: document some gates. 2019-01-14 16:17:25 +00:00
whitequark 7a45122168 manual: explain $tribuf cell. 2019-01-14 16:08:58 +00:00
Clifford Wolf f042559e9d Fix typo in manual 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-01-07 10:07:28 +01:00
whitequark 182d84ad54 manual: make description of $meminit ports match reality. 2018-12-21 23:04:31 +00:00
whitequark c04908c997 manual: fix typos. 2018-12-20 07:59:40 +00:00
whitequark a9ff81dd82 manual: document $meminit cell and memory_* passes. 2018-12-20 04:54:31 +00:00
Clifford Wolf 500726781b Update command reference manual 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-10-16 15:28:37 +02:00
acw1251 efac8a45a6 Fixed typo in "verilog_write" help message 2018-09-18 13:34:30 -04:00
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 eb67a7532b Add $allconst and $allseq cell types 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-02-23 13:14:47 +01:00
Clifford Wolf 05cdd58c8d Add $_ANDNOT_ and $_ORNOT_ gates 2017-05-17 09:08:29 +02:00
Clifford Wolf 5f1d0b1024 Add $live and $fair cell types, add support for s_eventually keyword 2017-02-25 10:36:39 +01:00
Piotr Esden-Tempski e3a12b57f5 Use -E sed parameter instead of -r. 
BSD sed equivalent to -r parameter is -E and it is also supported in GNU
sed thus using -E results in support on both platforms.
 2017-02-04 18:26:01 -08:00
Clifford Wolf 3928482a3c Add $cover cell type and SVA cover() support 2017-02-04 14:14:26 +01:00
Clifford Wolf 4832faf5e9 Updated command reference in manual 2016-11-02 19:25:28 +01:00
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 6f41e5277d Removed $aconst cell type 2016-08-30 19:09:56 +02:00
Clifford Wolf eae390ae17 Removed $predict again 2016-08-28 21:35:33 +02:00
Clifford Wolf 4056312987 Added $anyconst and $aconst 2016-07-27 15:41:22 +02:00
Clifford Wolf 5c166e76e5 Added $initstate cell type and vlog function 2016-07-21 14:23:22 +02:00
Clifford Wolf d7763634b6 After reading the SV spec, using non-standard predict() instead of expect() 2016-07-21 13:34:33 +02:00
Clifford Wolf 721f1f5ecf Added basic support for $expect cells 2016-07-13 16:56:17 +02:00
Clifford Wolf d3f0d72427 Added warning about adding fsm_encoding attributes to wires to manual 2016-07-08 18:31:31 +02:00
Clifford Wolf 52bb1b968d Added $sop cell type and "abc -sop" 2016-06-17 13:50:09 +02:00
Clifford Wolf d05115ceda Minor presentation fixes 2016-05-14 11:35:39 +02:00
Clifford Wolf 0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Wladimir J. van der Laan 71f9f40fa9 Fix a few typos in the manual 2016-04-03 14:29:11 +02:00
Clifford Wolf ec93680bd5 Renamed opt_share to opt_merge 2016-03-31 08:52:49 +02:00
Clifford Wolf 1d0f0d668a Renamed opt_const to opt_expr 2016-03-31 08:46:56 +02:00
Sebastian Kuzminsky 7e6426a67d user-facing spelling fixes 
"speciefied" -> "specified"
"unkown" -> "unknown"
 2016-02-28 15:14:01 -07:00
Clifford Wolf 85fe6d176f Updated command reference in manual 2016-02-14 11:02:11 +01:00
Micah Elizabeth Scott 93f6f68b65 Remove nonportable "-r" option from xargs 
On Linux, this avoids an empty "rm -f" call when there's nothing to clean. But it isn't portable, and it causes the build to fail on Mac OS. It doesn't seem to be harmful to remove this option entirely, and it's a step toward fixing the Mac build.
 2015-12-15 10:13:06 -08:00
Clifford Wolf 924d9d6e86 Added read-enable to memory model 2015-09-25 12:23:11 +02:00