Commit Graph

6 Commits

Author SHA1 Message Date
David Shah f9020ce2b3
Revert "Wrap SB_LUT+SB_CARRY into $__ICE40_CARRY_WRAPPER" 2019-08-10 17:14:48 +01:00
Eddie Hung d5e8c0e6d3 Remove ice40_unlut call, simply do equiv_opt on synth_ice40 2019-08-07 21:33:56 -07:00
whitequark 7ff5a9db2d equiv_opt: pass -D EQUIV when techmapping.
This allows avoiding techmap crashes e.g. because of large memories
in white-box cell models.
2018-12-07 17:20:34 +00:00
whitequark c38ea9ae65 equiv_opt: new command, for verifying optimization passes. 2018-12-07 17:20:34 +00:00
whitequark 45cb6200af opt_lut: add -dlogic, to avoid disturbing logic such as carry chains. 2018-12-05 16:30:37 +00:00
whitequark 9e072ec21f opt_lut: new pass, to combine LUTs for tighter packing. 2018-12-05 16:30:37 +00:00