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49 Commits

Author SHA1 Message Date
Claire Xenia Wolf 72787f52fc Fixing old e-mail addresses and deadnames 
s/((Claire|Xen|Xenia|Clifford)\s+)+(Wolf|Xen)\s+<(claire|clifford)@(symbioticeda.com|clifford.at|yosyshq.com)>/Claire Xenia Wolf <claire@yosyshq.com>/gi;
s/((Nina|Nak|N\.)\s+)+Engelhardt\s+<nak@(symbioticeda.com|yosyshq.com)>/N. Engelhardt <nak@yosyshq.com>/gi;
s/((David)\s+)+Shah\s+<(dave|david)@(symbioticeda.com|yosyshq.com|ds0.me)>/David Shah <dave@ds0.me>/gi;
s/((Miodrag)\s+)+Milanovic\s+<(miodrag|micko)@(symbioticeda.com|yosyshq.com)>/Miodrag Milanovic <micko@yosyshq.com>/gi;
s,https?://www.clifford.at/yosys/,http://yosyshq.net/yosys/,g;
 2021-06-08 00:39:36 +02:00
Marcelina Kościelnicka 1eea06bcc0 Add new helper class for merging FFs into cells, use for memory_dff. 
Fixes #1854.
 2021-05-23 14:46:59 +02:00
Marcelina Kościelnicka 8c734e07b8 memory_dff: Use Mem helper. 2021-05-21 02:26:27 +02:00
Marcelina Kościelnicka a3528649c8 memory_dff: Remove now-useless write port handling. 2021-03-08 20:16:29 +01:00
Marcelina Kościelnicka bc717abad2 memory_dff: Remove code looking for $mux cells. 
This job is now performed by `opt_dff`, which runs before this pass.
 2021-03-08 16:58:12 +01:00
Marcelina Kościelnicka eb76d35e80 memory_dff: Fix needlessly duplicating enable bits. 
When the register being merged into the EN signal happens to be a $sdff,
the current code creates a new $mux for every bit, even if they happen
to be identical (as is usually the case), preventing proper grouping
further down the flow.  Fix this by adding a simple cache.

Fixes #2409.
 2020-10-22 13:03:42 +02:00
Marcelina Kościelnicka c9251eb26b memory_dff: Refactor to use FfInitVals. 2020-07-24 11:22:31 +02:00
Marcelina Kościelnicka eae2edf3e4 memory_dff: recognize more dff cells 2020-07-23 20:55:28 +02:00
whitequark 7191dd16f9 Use C++11 final/override keywords. 2020-06-18 23:34:52 +00:00
Eddie Hung 956ecd48f7 kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
Eddie Hung fdafb74eb7 kernel: use more ID::* 2020-04-02 07:14:08 -07:00
Eddie Hung 3486235338 Make liberal use of IdString.in() 2019-08-06 16:18:18 -07:00
David Shah d45936fe5f memory_dff: Fix checking of feedback mux input when more than one mux 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-02 13:35:50 +01:00
Eddie Hung 42720ef6fe Fix spacing 2019-06-25 08:33:17 -07:00
Eddie Hung c4e4902098 Move only one consumer check outside of while loop 2019-06-25 08:29:55 -07:00
Eddie Hung b7deaceadd Walk through as many muxes as exist for rd_en 2019-06-24 18:33:06 -07:00
David Shah 2b16d4ed3d memory_dff: Fix typo when checking init value 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-12-18 17:40:01 +00:00
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 cee4b1e6bc Disable memory_dff for initialized FFs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-05-28 17:16:15 +02:00
Clifford Wolf 0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Clifford Wolf bcc873b805 Fixed some visual studio warnings 2016-02-13 17:31:24 +01:00
Clifford Wolf ddf3e2dc65 Bugfix in memory_dff 2015-10-31 22:01:41 +01:00
Clifford Wolf 924d9d6e86 Added read-enable to memory model 2015-09-25 12:23:11 +02:00
Clifford Wolf 6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf 66910e15b2 Modernized memory_dff (and fixed a bug) 2015-06-14 16:15:51 +02:00
Clifford Wolf b57cb4a7fe Merge clock inverters in memory_dff 2015-06-09 07:25:12 +02:00
Clifford Wolf f9a307a50b namespace Yosys 2014-09-27 16:17:53 +02:00
Clifford Wolf ae02d9cb9a Fixed $memwr/$memrd order in memory_dff 2014-09-16 12:40:58 +02:00
Clifford Wolf b4f10e342c Various improvements in memory_dff pass 2014-08-06 14:31:38 +02:00
Clifford Wolf cdae8abe16 Renamed port access function on RTLIL::Cell, added param access functions 2014-07-31 16:38:54 +02:00
Clifford Wolf 1cb25c05b3 Moved some stuff to kernel/yosys.{h,cc}, using Yosys:: namespace 2014-07-31 13:19:47 +02:00
Clifford Wolf 7bd2d1064f Using log_assert() instead of assert() 2014-07-28 11:27:48 +02:00
Clifford Wolf 49f72421d5 Using new obj iterator API in a few places 2014-07-27 11:32:42 +02:00
Clifford Wolf 10e5791c5e Refactoring: Renamed RTLIL::Design::modules to modules_ 2014-07-27 11:18:30 +02:00
Clifford Wolf 4c4b602156 Refactoring: Renamed RTLIL::Module::cells to cells_ 2014-07-27 01:51:45 +02:00
Clifford Wolf 946ddff9ce Changed a lot of code to the new RTLIL::Wire constructors 2014-07-26 20:12:50 +02:00
Clifford Wolf f8fdc47d33 Manual fixes for new cell connections API 2014-07-26 15:58:23 +02:00
Clifford Wolf b7dda72302 Changed users of cell->connections_ to the new API (sed command) 
git grep -l 'connections_' | xargs sed -i -r -e '
	s/(->|\.)connections_\["([^"]*)"\] = (.*);/\1set("\2", \3);/g;
	s/(->|\.)connections_\["([^"]*)"\]/\1get("\2")/g;
	s/(->|\.)connections_.at\("([^"]*)"\)/\1get("\2")/g;
	s/(->|\.)connections_.push_back/\1connect/g;
	s/(->|\.)connections_/\1connections()/g;'
 2014-07-26 15:58:23 +02:00
Clifford Wolf cc4f10883b Renamed RTLIL::{Module,Cell}::connections to connections_ 2014-07-26 11:58:03 +02:00
Clifford Wolf c094c53de8 Removed RTLIL::SigSpec::optimize() 2014-07-23 20:32:28 +02:00
Clifford Wolf 4e802eb7f6 Fixed all users of SigSpec::chunks_rw() and removed it 2014-07-23 15:36:09 +02:00
Clifford Wolf 28b3fd05fa SigSpec refactoring: change RTLIL::SigSpec::chunks() to be read-only, created interim RTLIL::SigSpec::chunks_rw() 2014-07-22 20:58:44 +02:00
Clifford Wolf 4b4048bc5f SigSpec refactoring: using the accessor functions everywhere 2014-07-22 20:39:37 +02:00
Clifford Wolf a233762a81 SigSpec refactoring: renamed chunks and width to __chunks and __width 2014-07-22 20:39:37 +02:00
Clifford Wolf 68c99bf734 Fixed log messages in memory_dff 2014-06-01 11:32:27 +02:00
Clifford Wolf a6750b3753 Added TRANSPARENT parameter to $memrd (and RD_TRANSPARENT to $mem) 2014-02-03 13:01:45 +01:00
Clifford Wolf 97efc2ed5f A fix in memory_dff for write ports with static addresses 2013-12-01 14:08:18 +01:00
Clifford Wolf f3a849512f Added help messages to memory_* passes 2013-03-01 10:17:35 +01:00
Clifford Wolf 7764d0ba1d initial import 2013-01-05 11:13:26 +01:00