From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 16 Aug 2019 03:38:00 +0000 (+0100)
Subject: update comments
X-Git-Tag: ls180-24jan2020~527
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=77baf55295998e93df256caa8b0e9989e466c2c8;p=ieee754fpu.git

update comments
---

diff --git a/src/nmutil/singlepipe.py b/src/nmutil/singlepipe.py
index 90a3a06f..fea35c4b 100644
--- a/src/nmutil/singlepipe.py
+++ b/src/nmutil/singlepipe.py
@@ -545,7 +545,9 @@ class MaskCancellable(ControlBase):
         with m.Else():
             # pass everything straight through.  p connected to n: data,
             # valid, mask, everything.  this is "effectively" just a
-            # StageChain (except now dynamically selectable)
+            # StageChain: MaskCancellable is doing "nothing" except
+            # combinatorially passing everything through
+            # (except now it's *dynamically selectable* whether to do that)
             m.d.comb += self.n.valid_o.eq(self.p.valid_i_test)
             m.d.comb += self.p._ready_o.eq(self.n.ready_i_test)
             m.d.comb += self.n.stop_o.eq(self.p.stop_i)