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6 Commits

Author SHA1 Message Date
Sylvain Munaut add6ab9b2a ice40: Honor the "dont_touch" attribute in FFSSR pass 
This is useful if you want to place FF manually ... can't merge SR in those
because it might make the manual placement invalid

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2018-12-08 22:46:28 +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 21659847a7 Minor fixes in ice40_ff* passes for sloppy SB_DFF instantiations 2016-07-08 14:41:36 +02:00
Clifford Wolf 0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Clifford Wolf 6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf 661b647559 Added mapping of synchronous set/reset to iCE40 flow 2015-04-17 11:54:25 +02:00