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authorEddie Hung <eddie@fpgeh.com>2019-08-01 15:13:18 -0700
committerEddie Hung <eddie@fpgeh.com>2019-08-01 15:13:18 -0700
commitc39b1a6fcf648203df10d640c72e073f455ddc32 (patch)
tree82a6d9d6e1a5c258f4ac1198ae968ffcf5b5c5d2 /passes/pmgen/ice40_dsp.pmg
parented7540a46f22151d6c87205df92bc52f5e875130 (diff)
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Add comment about supporting $dffe in ice40_dsp
Diffstat (limited to 'passes/pmgen/ice40_dsp.pmg')
-rw-r--r--passes/pmgen/ice40_dsp.pmg1
1 files changed, 1 insertions, 0 deletions
diff --git a/passes/pmgen/ice40_dsp.pmg b/passes/pmgen/ice40_dsp.pmg
index 040332539..b6da1d2f6 100644
--- a/passes/pmgen/ice40_dsp.pmg
+++ b/passes/pmgen/ice40_dsp.pmg
@@ -12,6 +12,7 @@ match mul
endmatch
match ffA
+ // TODO: Support $dffe too by checking if all enable signals are identical
select ffA->type.in($dff)
filter !port(mul, \A).remove_const().empty()
filter includes(port(ffA, \Q).to_sigbit_set(), port(mul, \A).remove_const().to_sigbit_set())