From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 20 Mar 2019 13:33:47 +0000 (+0000)
Subject: use ispec and ospec in FPNormaliseModSingle
X-Git-Tag: ls180-24jan2020~1603
X-Git-Url: https://git.libre-soc.org/?p=ieee754fpu.git;a=commitdiff_plain;h=071c800afa93ea2d7413f021e7d699b2a66cfe61

use ispec and ospec in FPNormaliseModSingle
---

diff --git a/src/add/nmigen_add_experiment.py b/src/add/nmigen_add_experiment.py
index bc5f6415..5d5a9933 100644
--- a/src/add/nmigen_add_experiment.py
+++ b/src/add/nmigen_add_experiment.py
@@ -928,8 +928,14 @@ class FPNormaliseModSingle:
 
     def __init__(self, width):
         self.width = width
-        self.in_z = FPNumBase(width, False)
-        self.out_z = FPNumBase(width, False)
+        self.in_z = self.ispec()
+        self.out_z = self.ospec()
+
+    def ispec(self):
+        return FPNumBase(self.width, False)
+
+    def ospec(self):
+        return FPNumBase(self.width, False)
 
     def setup(self, m, in_z, out_z, modname):
         """ links module to inputs and outputs
@@ -963,7 +969,7 @@ class FPNormaliseModSingle:
         # initialise out from in (overridden below)
         m.d.comb += self.out_z.eq(in_z)
         m.d.comb += self.out_of.eq(in_of)
-        # normalisation increase/decrease conditions
+        # normalisation decrease condition
         decrease = Signal(reset_less=True)
         m.d.comb += decrease.eq(in_z.m_msbzero)
         # decrease exponent