3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-26 02:25:35 +00:00
Commit graph

12 commits

Author SHA1 Message Date
Clifford Wolf
2e606b1802
Merge pull request #773 from whitequark/opt_lut_elim_fixes
opt_lut: elimination fixes
2019-01-02 15:45:29 +01:00
whitequark
efa278e232 Fix typographical and grammatical errors and inconsistencies.
The initial list of hits was generated with the codespell command
below, and each hit was evaluated and fixed manually while taking
context into consideration.

    DIRS="kernel/ frontends/ backends/ passes/ techlibs/"
    DIRS="${DIRS} libs/ezsat/ libs/subcircuit"
    codespell $DIRS -S *.o -L upto,iff,thru,synopsys,uint

More hits were found by looking through comments and strings manually.
2019-01-02 13:12:17 +00:00
whitequark
c55dfb8369 opt_lut: reflect changes in sigmap.
Otherwise, some LUTs will be missed during elimination.
2019-01-02 10:21:58 +00:00
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)