From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 2 Mar 2019 11:16:05 +0000 (+0000)
Subject: add comment about add0+add1 stages
X-Git-Tag: ls180-24jan2020~1772
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6778b58b01d81f8babfb1561041eeb866979fa9e;p=ieee754fpu.git

add comment about add0+add1 stages
---

diff --git a/src/add/nmigen_add_experiment.py b/src/add/nmigen_add_experiment.py
index 31051211..b69c7025 100644
--- a/src/add/nmigen_add_experiment.py
+++ b/src/add/nmigen_add_experiment.py
@@ -459,6 +459,7 @@ class FPAddStage0(FPState):
 
     def action(self, m):
         m.next = "add_1"
+        # NOTE: these could be done as combinatorial (merge add0+add1)
         m.d.sync += self.out_z.copy(self.mod.out_z)
         m.d.sync += self.out_tot.eq(self.mod.out_tot)