From: ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sat, 23 Jun 2007 18:21:26 +0000 (+0000)
Subject: Fix division by zero handling, by Joris van Rantwijk.
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b6d7c3db4fd7b375e649b35c2d0722ef00f8fb35;p=qemu.git

Fix division by zero handling, by Joris van Rantwijk.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3012 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/target-i386/translate.c b/target-i386/translate.c
index 96e72c9dd8..393db0d65e 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -5327,8 +5327,12 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
         if (CODE64(s))
             goto illegal_op;
         val = ldub_code(s->pc++);
-        gen_op_aam(val);
-        s->cc_op = CC_OP_LOGICB;
+        if (val == 0) {
+            gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base);
+        } else {
+            gen_op_aam(val);
+            s->cc_op = CC_OP_LOGICB;
+        }
         break;
     case 0xd5: /* aad */
         if (CODE64(s))