mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-08-12 14:11:00 +00:00
Code Activity

Check flops one by one

Browse source
This commit is contained in:
Miodrag Milanovic 2019-10-04 08:42:29 +02:00
parent d19f765a58
commit 9e8175fc75
4 changed files with 50 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

41
tests/ecp5/adffs.ys
View file

@ -1,9 +1,40 @@
read_verilog adffs.v
design -save read
proc
flatten
equiv_opt -multiclock -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
hierarchy -top adff
equiv_opt -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module
select -assert-count 4 t:TRELLIS_FF
select -assert-count 3 t:LUT4
cd adff # Constrain all select calls below inside the top module
select -assert-count 1 t:TRELLIS_FF
select -assert-none t:TRELLIS_FF %% t:* %D
design -load read
proc
hierarchy -top adffn
equiv_opt -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd adffn # Constrain all select calls below inside the top module
select -assert-count 1 t:TRELLIS_FF
select -assert-count 1 t:LUT4
select -assert-none t:TRELLIS_FF t:LUT4 %% t:* %D
design -load read
proc
hierarchy -top dffs
equiv_opt -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd dffs # Constrain all select calls below inside the top module
select -assert-count 1 t:TRELLIS_FF
select -assert-count 1 t:LUT4
select -assert-none t:TRELLIS_FF t:LUT4 %% t:* %D
design -load read
proc
hierarchy -top ndffnr
equiv_opt -assert -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd ndffnr # Constrain all select calls below inside the top module
select -assert-count 1 t:TRELLIS_FF
select -assert-count 1 t:LUT4
select -assert-none t:TRELLIS_FF t:LUT4 %% t:* %D