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27 Commits

Author SHA1 Message Date
Emil J. Tywoniak 785bd44da7 rtlil: represent Const strings as std::string 2024-10-14 06:28:12 +02:00
Miodrag Milanović 2f4c917dac
Merge pull request #4181 from povik/ci-cxxstd-fix 
ci: Fix CXXSTD typo
 2024-02-08 18:55:47 +01:00
Martin Povišer 043f1e2bcb opt_lut: Remove leftover `-dlogic` help 2024-02-08 17:49:44 +01:00
Martin Povišer af1a5cfeb9 Address `SigBit`/`SigSpec` confusion issues under c++20 2024-02-08 17:48:36 +01:00
Martin Povišer 568418b50b opt_lut: Replace `-dlogic` with `-tech ice40` 2024-01-15 12:35:21 +01:00
Marcelina Kościelnicka 54e75129e5 opt_lut: Allow more than one -dlogic per cell type. 
Fixes #2061.
 2021-07-29 17:30:07 +02:00
StefanBruens 9396678db4
Fix use-after-free in LUT opt pass 
RTLIL::Module::remove(Cell* cell) calls `delete cell`.

Any subsequent accesses of `cell` then causes undefined behavior.
 2020-12-22 03:23:42 +01:00
whitequark 7191dd16f9 Use C++11 final/override keywords. 2020-06-18 23:34:52 +00:00
Eddie Hung 956ecd48f7 kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
Eddie Hung eae5a6b12c Use ID::keep more liberally too 2019-08-15 14:51:12 -07:00
Eddie Hung 52355f5185 Use more ID::{A,B,Y,blackbox,whitebox} 2019-08-15 14:50:10 -07:00
Clifford Wolf 6995914f3f Use ID() macro in all of passes/opt/ 
This was obtained by running the following SED command in passes/opt/
and then using "meld foo.cc foo.cc.orig" to manually fix all resulting
compiler errors.

sed -i.orig -r 's/"\\\\([a-zA-Z0-9_]+)"/ID(\1)/g; s/"(\$[a-zA-Z0-9_]+)"/ID(\1)/g;' *.cc

Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-08-11 11:39:46 +02:00
Eddie Hung f69410daaf opt_lut to ignore LUT cells, or those that drive bits, with (* keep *) 2019-08-07 13:15:02 -07:00
Miodrag Milanovic 28b7053a01 Fix formatting for msys2 mingw build using GetSize 2019-08-01 17:27:34 +02:00
whitequark 2de7e92bb8 opt_lut: make less chatty. 2019-07-13 16:49:56 +00:00
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