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| author | Eddie Hung <eddie@fpgeh.com> | 2019-07-01 10:44:42 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-07-01 10:44:42 -0700 |
| commit | 699d8e393953a3e5f0c35afec54464e6810f8f1d (patch) | |
| tree | 4edf4b25dd3c9f8eaf1dad737baa49a04f78ec3f /techlibs/ice40/abc_u.box | |
| parent | 75d92fb590b190e0da43e99853f839b7afb10f83 (diff) | |
| parent | 0067dc44f3928833eede2b9bb40260be78e11a93 (diff) | |
| download | yosys-699d8e393953a3e5f0c35afec54464e6810f8f1d.tar.gz yosys-699d8e393953a3e5f0c35afec54464e6810f8f1d.tar.bz2 yosys-699d8e393953a3e5f0c35afec54464e6810f8f1d.zip | |
Merge remote-tracking branch 'origin/master' into xaig_dff
Diffstat (limited to 'techlibs/ice40/abc_u.box')
| -rw-r--r-- | techlibs/ice40/abc_u.box | 112 |
1 files changed, 8 insertions, 104 deletions
diff --git a/techlibs/ice40/abc_u.box b/techlibs/ice40/abc_u.box index 3b5834e40..f44deabc4 100644 --- a/techlibs/ice40/abc_u.box +++ b/techlibs/ice40/abc_u.box @@ -1,113 +1,17 @@ # From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_up5k.txt # NB: Inputs/Outputs must be ordered alphabetically +# (with exceptions for carry in/out) -# Inputs: C D -# Outputs: Q -SB_DFF 1 0 2 1 -- - - -# Inputs: C D E -# Outputs: Q -SB_DFFE 2 0 3 1 -- - - - -# Inputs: C D R -# Outputs: Q -SB_DFFSR 3 0 3 1 -- - - - -# Inputs: C D R -# Outputs: Q -SB_DFFR 4 0 3 1 -- - - - -# Inputs: C D S -# Outputs: Q -SB_DFFSS 5 0 3 1 -- - - - -# Inputs: C D S -# Outputs: Q -SB_DFFS 6 0 3 1 -- - - - -# Inputs: C D E R -# Outputs: Q -SB_DFFESR 7 0 4 1 -- - - - - -# Inputs: C D E R -# Outputs: Q -SB_DFFER 8 0 4 1 -- - - - - -# Inputs: C D E S -# Outputs: Q -SB_DFFESS 9 0 4 1 -- - - - - -# Inputs: C D E S -# Outputs: Q -SB_DFFES 10 0 4 1 -- - - - - -# Inputs: C D -# Outputs: Q -SB_DFFN 11 0 2 1 -- - - -# Inputs: C D E -# Outputs: Q -SB_DFFNE 12 0 3 1 -- - - - -# Inputs: C D R -# Outputs: Q -SB_DFFNSR 13 0 3 1 -- - - - -# Inputs: C D R -# Outputs: Q -SB_DFFNR 14 0 3 1 -- - - - -# Inputs: C D S -# Outputs: Q -SB_DFFNSS 15 0 3 1 -- - - - -# Inputs: C D S -# Outputs: Q -SB_DFFNS 16 0 3 1 -- - - - -# Inputs: C D E R -# Outputs: Q -SB_DFFNESR 17 0 4 1 -- - - - - -# Inputs: C D E R -# Outputs: Q -SB_DFFNER 18 0 4 1 -- - - - - -# Inputs: C D E S -# Outputs: Q -SB_DFFNESS 19 0 4 1 -- - - - - -# Inputs: C D E S -# Outputs: Q -SB_DFFNES 20 0 4 1 -- - - - - -# Inputs: CI I0 I1 +# Inputs: I0 I1 CI # Outputs: CO -SB_CARRY 21 1 3 1 -278 675 609 +# (NB: carry chain input/output must be last +# input/output and have been moved there +# overriding the alphabetical ordering) +SB_CARRY 1 1 3 1 +675 609 278 # Inputs: I0 I1 I2 I3 # Outputs: O -SB_LUT4 22 1 4 1 +SB_LUT4 2 1 4 1 1285 1231 1205 874 |