riscv
/
yosys
mirror of https://github.com/YosysHQ/yosys.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Make MUXF{7,8} and CARRY4 whitebox

This commit is contained in:
Eddie Hung 2019-05-27 23:09:06 -07:00
parent 54e28eb3ea
commit e032e5bcde
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
techlibs/xilinx/abc.box
View File

@ -3,18 +3,18 @@
# F7BMUX slower than F7AMUX
# Inputs: I0 I1 S0
# Outputs: O
F7BMUX 1 0 3 1
F7BMUX 1 1 3 1
217 223 296
# Inputs: I0 I1 S0
# Outputs: O
MUXF8 2 0 3 1
MUXF8 2 1 3 1
104 94 273
# CARRY4 + CARRY4_[ABCD]X
# Inputs: CI CYINIT DI0 DI1 DI2 DI3 S0 S1 S2 S3
# Outputs: CO0 CO1 CO2 CO3 O0 O1 O2 O3
CARRY4 3 0 10 8
CARRY4 3 1 10 8
271 536 379 - - - 340 - - -
157 494 465 445 - - 433 469 - -
228 592 540 520 356 - 512 548 292 -