mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-08-11 05:30:53 +00:00
Code Activity

ecp5: Add abc9 option

Browse source 
Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-06-14 12:02:12 +01:00
parent bc22e2e3ee
commit 9566573054
8 changed files with 188 additions and 66 deletions
Download patch file Download diff file Expand all files Collapse all files

25
techlibs/ecp5/abc_5g.lut Normal file
View file

@ -0,0 +1,25 @@
# ECP5-5G LUT library for ABC
# Note that ECP5 architecture assigns difference
# in LUT input delay to interconnect, so this is
# considered too
# Simple LUTs
# area D C B A
1 1 141
2 1 141 275
3 1 141 275 379
4 1 141 275 379 379
# LUT5 = 2x LUT4 + PFUMX
# area M0 D C B A
5 2 151 239 373 477 477
# LUT6 = 2x LUT5 + MUX2
# area M1 M0 D C B A
6 4 148 292 380 514 618 618
# LUT7 = 2x LUT6 + MUX2
# area M2 M1 M0 D C B A
7 8 148 289 433 521 655 759 759