From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 27 Feb 2019 13:30:36 +0000 (+0000)
Subject: try some more chaining of inputs to outputs
X-Git-Tag: ls180-24jan2020~1811
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=59ac9d6289f3a45ec2d705adc494d48f21cf98e0;p=ieee754fpu.git

try some more chaining of inputs to outputs
---

diff --git a/src/add/nmigen_add_experiment.py b/src/add/nmigen_add_experiment.py
index 555ea377..57a7f40e 100644
--- a/src/add/nmigen_add_experiment.py
+++ b/src/add/nmigen_add_experiment.py
@@ -619,14 +619,14 @@ class FPADD:
         m.submodules.normalise_1 = n1.mod
 
         n2 = self.add_state(FPNorm2(self.width))
-        n2.set_inputs({"z": z, "of": of})  # XXX Z as output
-        n2.set_outputs({"z": z})  # XXX Z as output
-        n2.mod.setup(m, z, n2.out_z, of, n2.out_of, n2.out_norm)
+        n2.set_inputs({"z": n1.out_z, "of": of})
+        n2.set_outputs({"z": z})
+        n2.mod.setup(m, n1.out_z, n2.out_z, of, n2.out_of, n2.out_norm)
         m.submodules.normalise_2 = n2.mod
 
         rn = self.add_state(FPRound(self.width))
-        rn.set_inputs({"z": n2.out_z, "of": of})  # XXX Z as output
-        rn.set_outputs({"z": z})  # XXX Z as output
+        rn.set_inputs({"z": n2.out_z, "of": of})
+        rn.set_outputs({"z": z})
         rn.mod.setup(m, n2.out_z, rn.out_z, of)
         m.submodules.roundz = rn.mod