From: Jacob Lifshay <programmerjake@gmail.com>
Date: Fri, 22 Apr 2022 02:05:13 +0000 (-0700)
Subject: fix bug
X-Git-Tag: opf_rfc_ls005_v1~2627
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0bdf6ee415079d8b9941ff8468dd864c77baef3f;p=libreriscv.git

fix bug
---

diff --git a/openpower/sv/biginteger/mulmnu.c b/openpower/sv/biginteger/mulmnu.c
index 4c6bb8617..0326a154d 100644
--- a/openpower/sv/biginteger/mulmnu.c
+++ b/openpower/sv/biginteger/mulmnu.c
@@ -30,13 +30,13 @@ void mulmnu(unsigned short w[], unsigned short u[], unsigned short v[], int m,
         unsigned short plo[2000];
         for (i = 0; i < m; i++)
         {
-            unsigned product = u[i] * v[j] + w[i + j];
+            unsigned product = (unsigned)u[i] * v[j] + w[i + j];
             phi[i] = product >> 16;
             plo[i] = product;
         }
         for (i = 0; i < m; i++)
         {
-            t = (phi[i] << 16) | plo[i] + k;
+            t = (((unsigned)phi[i] << 16) | plo[i]) + k;
             w[i + j] = t; // (I.e., t & 0xFFFF).
             k = t >> 16;
         }