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.
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Fixes #2061 .
2021-07-29 17:30:07 +02:00
StefanBruens
9396678db4
Fix use-after-free in LUT opt pass
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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/
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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
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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.
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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
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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
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-12-05 18:03:58 +01:00