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72 Commits

Author SHA1 Message Date
Eddie Hung 4da4a6da2f Revert #895 2019-04-16 11:07:51 -07:00
Eddie Hung b3378745fd
Revert "Recognise default entry in case even if all cases covered (fix for #931)" 2019-04-15 17:52:45 -07:00
Eddie Hung adc6efb584 Recognise default entry in case even if all cases covered (#931) 2019-04-11 12:34:51 -07:00
Sylvain Munaut 39380c45ba proc_mux: Fix crash when trying to optimize non-existant mux to shiftx 
last_mux_cell can be NULL ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2019-04-03 14:50:12 +02:00
Eddie Hung b7a3d35c6b Create one $shiftx per bit in width 2019-03-25 11:16:56 -07:00
Eddie Hung 2507d01b03 Add a pmux-to-shiftx optimisation to proc_mux 2019-03-23 16:45:36 -07:00
whitequark 58d059ccb7 proc_clean: fix critical typo. 2019-01-23 22:08:38 +00:00
whitequark 95b6c35882 proc_clean: fix fully def check to consider compare/signal length. 
Fixes #790.
 2019-01-18 23:22:19 +00:00
whitequark 18291c20d2 proc_clean: remove any empty cases if all cases use all-def compare. 2018-12-23 09:04:30 +00:00
whitequark b784440857 proc_clean: remove any empty cases at the end of the switch. 
Previously, only completely empty switches were removed.
 2018-12-22 09:04:46 +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 ca2adc30c9 Add warnings for driver-driver conflicts between FFs (and other cells) and constants 2017-12-12 17:13:27 +01:00
Clifford Wolf f9d023c53f Add src attribute to extra cells generated by proc_dlatch 2017-09-09 10:18:08 +02:00
Clifford Wolf 53655d173b Added $global_clock verilog syntax support for creating $ff cells 2016-10-14 12:33:56 +02:00
Clifford Wolf 2032e6d8e4 Added "proc_mux -ifx" 2016-06-06 17:15:50 +02:00
Clifford Wolf d2695e2bfa Fix all undef-muxes in dlatch input cone 2016-06-02 14:37:07 +02:00
Clifford Wolf adfc80727c Avoid creating undef-muxes when inferring latches in proc_dlatch 2016-06-01 13:25:06 +02:00
Clifford Wolf 93e107e455 Fixed proc_mux performance bug 2016-04-25 10:43:04 +02:00
Clifford Wolf b1d6f05fa2 Fixed performance bug in proc_dlatch 2016-04-24 19:29:56 +02:00
Clifford Wolf 965b0d59b5 More flexible handling of initialization values 2016-04-22 12:13:06 +02:00
Clifford Wolf 0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Clifford Wolf e5dd5c0bcc Preserve empty $pmux default cases 2016-03-31 09:57:23 +02:00
Clifford Wolf 1ea6db3db8 Improved proc_mux performance for huge always blocks 2015-12-02 22:02:20 +01:00
Clifford Wolf 0350074819 Re-created command-reference-manual.tex, copied some doc fixes to online help 2015-08-14 11:27:19 +02:00
Clifford Wolf 6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf d176e613c2 Minor fixes in handling of "init" attribute 2015-04-09 15:12:26 +02:00
Clifford Wolf 81fa4e81a6 Fixed compilation problems with gcc 4.6.3; use enum instead of const ints. 
(original patch by Andrew Becker <andrew.becker@epfl.ch>)
 2015-02-24 11:01:00 +01:00
Clifford Wolf 554a8df5e2 Added "proc_dlatch" 2015-02-12 16:56:01 +01:00
Clifford Wolf e62d838bd4 Removed SigSpec::extend_xx() api 2015-01-01 11:41:52 +01:00
Clifford Wolf edb3c9d0c4 Renamed extend() to extend_xx(), changed most users to extend_u0() 2014-12-24 09:51:17 +01:00
Clifford Wolf fe829bdbdc Added log_warning() API 2014-11-09 10:44:23 +01:00
Clifford Wolf 4569a747f8 Renamed SIZE() to GetSize() because of name collision on Win32 2014-10-10 17:07:24 +02:00
Clifford Wolf f9a307a50b namespace Yosys 2014-09-27 16:17:53 +02:00
Clifford Wolf 9d353fc543 Fixed handling of constant-true branches in proc_clean 2014-08-12 17:35:22 +02:00
Clifford Wolf b9bd22b8c8 More cleanups related to RTLIL::IdString usage 2014-08-02 13:19:57 +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 f9946232ad Refactoring: Renamed RTLIL::Module::wires to wires_ 2014-07-27 01:49:51 +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 2bec47a404 Use only module->addCell() and module->remove() to create and delete cells 2014-07-25 17:56:19 +02:00
Clifford Wolf 6aa792c864 Replaced more old SigChunk programming patterns 2014-07-24 23:10:58 +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