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yosys/passes/opt
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Marcelina Kościelnicka 6c16fd760b opt_expr: Add more $alu optimizations. 
Detect the places in the $alu where the carry bit is constant (due to
const A[i] == B[i] ^ BI) and split it into smaller $alu at these points.

Also, make the existing const-carry detection for low bits more generic
(now handles cases where both BI and CI are constant, but not equal to
one another).

Fixes #1912.
 		2020-04-14 21:48:13 +02:00
..
Makefile.inc Add opt_lut_ins pass. (#1673) 2020-02-03 14:57:17 +01:00
muxpack.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt.cc Add 'opt_share' to 'opt -full' 2019-08-16 13:47:37 -07:00
opt_clean.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_demorgan.cc Use more ID::{A,B,Y,blackbox,whitebox} 2019-08-15 14:50:10 -07:00
opt_expr.cc opt_expr: Add more $alu optimizations. 2020-04-14 21:48:13 +02:00
opt_lut.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_lut_ins.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_mem.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_merge.cc [NFCI] Deduplicate builtin FF cell types list 2020-04-09 18:05:06 +02:00
opt_muxtree.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_reduce.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_rmdff.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
opt_share.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
pmux2shiftx.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
rmports.cc Fix formatting for msys2 mingw build using GetSize 2019-08-01 17:27:34 +02:00
share.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
wreduce.cc kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00