diff --git a/qemu/target-i386/ops_sse.h b/qemu/target-i386/ops_sse.h
index 57b152c8..16225b1f 100644
--- a/qemu/target-i386/ops_sse.h
+++ b/qemu/target-i386/ops_sse.h
@@ -1417,7 +1417,7 @@ void glue(helper_phaddd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
 {
     d->L(0) = (int32_t)d->L(0) + (int32_t)d->L(1);
     XMM_ONLY(d->L(1) = (int32_t)d->L(2) + (int32_t)d->L(3));
-    d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) + (int32_t)s->L(1);
+    d->L((1 << SHIFT) + 0) = (uint32_t)((int32_t)s->L(0) + (int32_t)s->L(1));
     XMM_ONLY(d->L(3) = (int32_t)s->L(2) + (int32_t)s->L(3));
 }
 
@@ -1471,7 +1471,7 @@ void glue(helper_phsubd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
 {
     d->L(0) = (int32_t)d->L(0) - (int32_t)d->L(1);
     XMM_ONLY(d->L(1) = (int32_t)d->L(2) - (int32_t)d->L(3));
-    d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) - (int32_t)s->L(1);
+    d->L((1 << SHIFT) + 0) = (uint32_t)((int32_t)s->L(0) - (int32_t)s->L(1));
     XMM_ONLY(d->L(3) = (int32_t)s->L(2) - (int32_t)s->L(3));
 }