From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 20 Mar 2019 14:12:31 +0000 (+0000)
Subject: add FPNorm1Data class
X-Git-Tag: ls180-24jan2020~1599
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1a15958b71dfe2c4113aaa7658da383b8f0a3d3d;p=ieee754fpu.git

add FPNorm1Data class
---

diff --git a/src/add/nmigen_add_experiment.py b/src/add/nmigen_add_experiment.py
index 9711e13b..b1dfed17 100644
--- a/src/add/nmigen_add_experiment.py
+++ b/src/add/nmigen_add_experiment.py
@@ -992,6 +992,16 @@ class FPNormaliseModSingle:
 
         return m
 
+class FPNorm1Data:
+
+    def __init__(self, width):
+
+        self.roundz = Signal(reset_less=True)
+        self.z = FPNumBase(width, False)
+
+    def eq(self, i):
+        return [self.z.eq(i.z), self.roundz.eq(i.roundz)]
+
 
 class FPNorm1ModSingle:
 
@@ -1004,7 +1014,7 @@ class FPNorm1ModSingle:
         return FPAddStage1Data(self.width)
 
     def ospec(self):
-        return FPAddStage1Data(self.width)
+        return FPAddStage1Data(self.width) # XXX TODO: FPNorm1Data
 
     def setup(self, m, in_z, in_of, out_z):
         """ links module to inputs and outputs