5 Commits

Author	SHA1	Message	Date
whitequark	45cb6200af	opt_lut: add -dlogic, to avoid disturbing logic such as carry chains.	2018-12-05 16:30:37 +00:00
whitequark	e603484070	opt_lut: always prefer to eliminate 1-LUTs. ... These are always either buffers or inverters, and keeping the larger LUT preserves more source-level information about the design.	2018-12-05 16:30:37 +00:00
whitequark	59eea0183f	opt_lut: collect and display statistics.	2018-12-05 16:30:37 +00:00
whitequark	e54c7e951c	opt_lut: refactor to use a worker. NFC.	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