From: Aleksandar Kostovic <alexandar.kostovic@gmail.com>
Date: Sun, 17 Feb 2019 15:36:51 +0000 (+0100)
Subject: Translated more of the special cases to nmigen
X-Git-Tag: ls180-24jan2020~1921
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e82a1942a48def173f8d3e3d4cdf67195482ecef;p=ieee754fpu.git

Translated more of the special cases to nmigen
---

diff --git a/src/add/fmul.py b/src/add/fmul.py
index 3ad6ac4e..ba24e078 100644
--- a/src/add/fmul.py
+++ b/src/add/fmul.py
@@ -76,6 +76,13 @@ class FPMUL(FPBase):
         		with m.Elif(b.is_inf()):
         			m.next += "put_z"
         			m.d.sync += z.inf(0)
+        		#if a is zero return NaN
+        		with m.If(a.is_zero()):
+        			m.next += "put_z"
+        			m.d.sync += z.nan(1)
+        		with m.Elif(a.is_zero()):
+        			m.next += "put_z"
+        			m.d.sync += z.zero(0)