From: Dmitry Selyutin <dmitry.selyutin@3mdeb.com>
Date: Tue, 24 Aug 2021 11:45:36 +0000 (+0000)
Subject: fixedarith: switch maddhd to XLEN
X-Git-Tag: xlen-bcd~73
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dddf34494415aa8d4283d2239d72ab5c1a4a8a4d;p=openpower-isa.git

fixedarith: switch maddhd to XLEN
---

diff --git a/openpower/isa/fixedarith.mdwn b/openpower/isa/fixedarith.mdwn
index 1db59005..de9f51e7 100644
--- a/openpower/isa/fixedarith.mdwn
+++ b/openpower/isa/fixedarith.mdwn
@@ -617,9 +617,9 @@ VA-Form
 
 Pseudo-code:
 
-    prod[0:127] <- MULS((RA), (RB))
-    sum[0:127] <- prod + EXTS(RC)
-    RT <- sum[0:63]
+    prod[0:(XLEN*2)-1] <- MULS((RA), (RB))
+    sum[0:(XLEN*2)-1] <- prod + EXTS(RC)[0:XLEN*2]
+    RT <- sum[0:XLEN-1]
 
 Special Registers Altered: