2019-04-18 00:10:39 +02:00
|
|
|
# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_up5k.txt
|
|
|
|
|
|
|
|
|
|
# NB: Inputs/Outputs must be ordered alphabetically
|
2019-06-22 23:27:41 +02:00
|
|
|
# (with exceptions for carry in/out)
|
2019-04-18 00:10:39 +02:00
|
|
|
|
2019-07-12 09:50:42 +02:00
|
|
|
# Inputs: A B CI
|
|
|
|
|
# Outputs: O CO
|
2019-06-22 23:27:41 +02:00
|
|
|
# (NB: carry chain input/output must be last
|
|
|
|
|
# input/output and have been moved there
|
|
|
|
|
# overriding the alphabetical ordering)
|
2019-07-12 09:50:42 +02:00
|
|
|
$__ICE40_CARRY_LUT4 1 1 3 2
|
2019-07-12 10:17:53 +02:00
|
|
|
1231 1205 874
|
2019-07-12 09:50:42 +02:00
|
|
|
675 609 278
|