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227 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