From 5bf06a9528698aa426a32f16e1ae3098b0239d63 Mon Sep 17 00:00:00 2001
From: aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 1 Oct 2008 21:45:18 +0000
Subject: [PATCH] target-ppc: fix mullw/mullwo

Based on patch by Julian Seward.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5379 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-ppc/op.c        | 4 ++++
 target-ppc/op_helper.c | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/target-ppc/op.c b/target-ppc/op.c
index 64166595cf..4ab0f00433 100644
--- a/target-ppc/op.c
+++ b/target-ppc/op.c
@@ -798,7 +798,11 @@ void OPPROTO op_mulli (void)
 /* multiply low word */
 void OPPROTO op_mullw (void)
 {
+#if defined(TARGET_PPC64)
+    T0 = (int64_t)(int32_t)T0 * (int64_t)(int32_t)T1;
+#else
     T0 = (int32_t)(T0 * T1);
+#endif
     RETURN();
 }
 
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 46e9b7ab6c..d398640278 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -227,7 +227,7 @@ void do_divduo (void)
 
 void do_mullwo (void)
 {
-    int64_t res = (int64_t)T0 * (int64_t)T1;
+    int64_t res = (int64_t)(int32_t)T0 * (int64_t)(int32_t)T1;
 
     if (likely((int32_t)res == res)) {
         xer_ov = 0;