From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 1 Aug 2019 22:13:18 +0000 (-0700)
Subject: Add comment about supporting $dffe in ice40_dsp
X-Git-Tag: working-ls180~1039^2~275
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c39b1a6fcf648203df10d640c72e073f455ddc32;p=yosys.git

Add comment about supporting $dffe in ice40_dsp
---

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())