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9 commits

Author SHA1 Message Date
whitequark 06143ab33f opt_lut: use a worklist, and revisit cells affected by elimination. 2019-01-02 09:36:32 +00:00
whitequark f7363ac508 opt_lut: count eliminated cells, and set opt.did_something for them. 2019-01-02 09:14:43 +00:00
whitequark 42c356c49c opt_lut: eliminate LUTs evaluating to constants or inputs. 2018-12-31 23:55:40 +00:00
Clifford Wolf 556341a77f
Merge pull request #720 from whitequark/master 
lut2mux: handle 1-bit INIT constant in $lut cells
 2018-12-16 15:27:23 +01:00
whitequark 7ec740b7ad opt_lut: leave intact LUTs with cascade feeding module outputs. 2018-12-07 17:13:52 +00:00
whitequark 9eb03d458d opt_lut: show original truth table for both cells. 2018-12-07 17:04:41 +00:00
whitequark a8ab722824 opt_lut: add -limit option, for debugging misoptimizations. 2018-12-07 16:36:26 +00:00
whitequark 88217d0157 opt_lut: simplify type conversion. NFC. 2018-12-05 19:12:02 +00:00
Clifford Wolf 2d98db73e3 Rename opt_lut.cpp to opt_lut.cc 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-12-05 18:03:58 +01:00
Renamed from passes/opt/opt_lut.cpp (Browse further)