diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3621422d627..9d499f2bfc2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-08-20  Joseph Myers  <joseph@codesourcery.com>
+
+	PR target/31070
+	* config/sparc/sparc.c (function_arg_slotno): Handle structure
+	with MODE_VECTOR_INT mode.
+
 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 
 	PR middle-end/179
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index 58667a2cb19..b74e81e9558 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -4627,6 +4627,7 @@ function_arg_slotno (const struct sparc_args *cum, enum machine_mode mode,
     {
     case MODE_FLOAT:
     case MODE_COMPLEX_FLOAT:
+    case MODE_VECTOR_INT:
       if (TARGET_ARCH64 && TARGET_FPU && named)
 	{
 	  if (slotno >= SPARC_FP_ARG_MAX)