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| author | Eddie Hung <eddie@fpgeh.com> | 2019-07-16 08:52:14 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-16 08:52:14 -0700 |
| commit | ba8ccbdea88fe432187e2481a8525cc1c53b4cf4 (patch) | |
| tree | ce3c29d03229cfb18392f2ddc835ce66056aeee4 /techlibs/ice40/abc_hx.box | |
| parent | a1a04ea79c4d006baa7204ba5ca77870f45aa633 (diff) | |
| parent | 5fb27c071bb072644dbb38cf8a516628c2afe15b (diff) | |
| download | yosys-ba8ccbdea88fe432187e2481a8525cc1c53b4cf4.tar.gz yosys-ba8ccbdea88fe432187e2481a8525cc1c53b4cf4.tar.bz2 yosys-ba8ccbdea88fe432187e2481a8525cc1c53b4cf4.zip | |
Merge pull request #1186 from YosysHQ/eddie/abc9_ice40_fix
abc9/ice40: encapsulate SB_CARRY+SB_LUT4 into one box
Diffstat (limited to 'techlibs/ice40/abc_hx.box')
| -rw-r--r-- | techlibs/ice40/abc_hx.box | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/techlibs/ice40/abc_hx.box b/techlibs/ice40/abc_hx.box index f8e12b527..c0ea742e2 100644 --- a/techlibs/ice40/abc_hx.box +++ b/techlibs/ice40/abc_hx.box @@ -3,15 +3,11 @@ # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) -# Inputs: I0 I1 CI -# Outputs: CO +# Inputs: A B CI +# Outputs: O CO # (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 +$__ICE40_FULL_ADDER 1 1 3 2 +400 379 316 259 231 126 - -# Inputs: I0 I1 I2 I3 -# Outputs: O -SB_LUT4 2 1 4 1 -449 400 379 316 |