Initial import package libffi: A portable foreign function interface libraryHEAD2.0_alphamaster2.0alpha1.0_post

123 files changed, 10215 insertions, 0 deletions

diff --git a/testsuite/libffi.call/call.exp b/testsuite/libffi.call/call.exp
new file mode 100644
index 0000000..1e9985e
--- /dev/null
+++ b/testsuite/libffi.call/call.exp
@@ -0,0 +1,36 @@
+# Copyright (C) 2003, 2006, 2009 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# libffi testsuite that uses the 'dg.exp' driver.
+
+load_lib libffi-dg.exp
+
+dg-init
+libffi-init
+
+global srcdir subdir
+
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] "-O0 -W -Wall" ""
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] "-O2" ""
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] "-O3" ""
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] "-Os" ""
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]] "-O2 -fomit-frame-pointer" ""
+
+dg-finish
+
+# Local Variables:
+# tcl-indent-level:4
+# End:
diff --git a/testsuite/libffi.call/closure_fn0.c b/testsuite/libffi.call/closure_fn0.c
new file mode 100644
index 0000000..a579ff6
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn0.c
@@ -0,0 +1,89 @@
+/* Area:	closure_call
+   Purpose:	Check multiple values passing from different type.
+		Also, exceed the limit of gpr and fpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void
+closure_test_fn0(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		 void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(unsigned long long *)args[0] + (int)(*(int *)args[1]) +
+    (int)(*(unsigned long long *)args[2]) + (int)*(int *)args[3] +
+    (int)(*(signed short *)args[4]) +
+    (int)(*(unsigned long long *)args[5]) +
+    (int)*(int *)args[6] + (int)(*(int *)args[7]) +
+    (int)(*(double *)args[8]) + (int)*(int *)args[9] +
+    (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
+    (int)*(int *)args[12] + (int)(*(int *)args[13]) +
+    (int)(*(int *)args[14]) +  *(int *)args[15] + (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(unsigned long long *)args[0], (int)(*(int *)args[1]),
+	 (int)(*(unsigned long long *)args[2]),
+	 (int)*(int *)args[3], (int)(*(signed short *)args[4]),
+	 (int)(*(unsigned long long *)args[5]),
+	 (int)*(int *)args[6], (int)(*(int *)args[7]),
+	 (int)(*(double *)args[8]), (int)*(int *)args[9],
+	 (int)(*(int *)args[10]), (int)(*(float *)args[11]),
+	 (int)*(int *)args[12], (int)(*(int *)args[13]),
+	 (int)(*(int *)args[14]),*(int *)args[15],
+	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
+
+}
+
+typedef int (*closure_test_type0)(unsigned long long, int, unsigned long long,
+				  int, signed short, unsigned long long, int,
+				  int, double, int, int, float, int, int,
+				  int, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void * code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int res;
+
+  cl_arg_types[0] = &ffi_type_uint64;
+  cl_arg_types[1] = &ffi_type_sint;
+  cl_arg_types[2] = &ffi_type_uint64;
+  cl_arg_types[3] = &ffi_type_sint;
+  cl_arg_types[4] = &ffi_type_sshort;
+  cl_arg_types[5] = &ffi_type_uint64;
+  cl_arg_types[6] = &ffi_type_sint;
+  cl_arg_types[7] = &ffi_type_sint;
+  cl_arg_types[8] = &ffi_type_double;
+  cl_arg_types[9] = &ffi_type_sint;
+  cl_arg_types[10] = &ffi_type_sint;
+  cl_arg_types[11] = &ffi_type_float;
+  cl_arg_types[12] = &ffi_type_sint;
+  cl_arg_types[13] = &ffi_type_sint;
+  cl_arg_types[14] = &ffi_type_sint;
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn0,
+                             (void *) 3 /* userdata */, code) == FFI_OK);
+
+  res = (*((closure_test_type0)code))
+    (1LL, 2, 3LL, 4, 127, 429LL, 7, 8, 9.5, 10, 11, 12, 13,
+     19, 21, 1);
+  /* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 680" } */
+     exit(0);
+}
diff --git a/testsuite/libffi.call/closure_fn1.c b/testsuite/libffi.call/closure_fn1.c
new file mode 100644
index 0000000..9123173
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn1.c
@@ -0,0 +1,81 @@
+/* Area:	closure_call.
+   Purpose:	Check multiple values passing from different type.
+		Also, exceed the limit of gpr and fpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+
+static void closure_test_fn1(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			     void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(float *)args[0] +(int)(*(float *)args[1]) +
+    (int)(*(float *)args[2]) + (int)*(float *)args[3] +
+    (int)(*(signed short *)args[4]) + (int)(*(float *)args[5]) +
+    (int)*(float *)args[6] + (int)(*(int *)args[7]) +
+    (int)(*(double*)args[8]) + (int)*(int *)args[9] +
+    (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
+    (int)*(int *)args[12] + (int)(*(int *)args[13]) +
+    (int)(*(int *)args[14]) + *(int *)args[15] + (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(float *)args[0], (int)(*(float *)args[1]),
+	 (int)(*(float *)args[2]), (int)*(float *)args[3],
+	 (int)(*(signed short *)args[4]), (int)(*(float *)args[5]),
+	 (int)*(float *)args[6], (int)(*(int *)args[7]),
+	 (int)(*(double *)args[8]), (int)*(int *)args[9],
+	 (int)(*(int *)args[10]), (int)(*(float *)args[11]),
+	 (int)*(int *)args[12], (int)(*(int *)args[13]),
+	 (int)(*(int *)args[14]), *(int *)args[15],
+	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
+}
+
+typedef int (*closure_test_type1)(float, float, float, float, signed short,
+				  float, float, int, double, int, int, float,
+				  int, int, int, int);
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int res;
+
+  cl_arg_types[0] = &ffi_type_float;
+  cl_arg_types[1] = &ffi_type_float;
+  cl_arg_types[2] = &ffi_type_float;
+  cl_arg_types[3] = &ffi_type_float;
+  cl_arg_types[4] = &ffi_type_sshort;
+  cl_arg_types[5] = &ffi_type_float;
+  cl_arg_types[6] = &ffi_type_float;
+  cl_arg_types[7] = &ffi_type_sint;
+  cl_arg_types[8] = &ffi_type_double;
+  cl_arg_types[9] = &ffi_type_sint;
+  cl_arg_types[10] = &ffi_type_sint;
+  cl_arg_types[11] = &ffi_type_float;
+  cl_arg_types[12] = &ffi_type_sint;
+  cl_arg_types[13] = &ffi_type_sint;
+  cl_arg_types[14] = &ffi_type_sint;
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn1,
+                             (void *) 3 /* userdata */, code)  == FFI_OK);
+
+  res = (*((closure_test_type1)code))
+    (1.1, 2.2, 3.3, 4.4, 127, 5.5, 6.6, 8, 9, 10, 11, 12.0, 13,
+     19, 21, 1);
+  /* { dg-output "1 2 3 4 127 5 6 8 9 10 11 12 13 19 21 1 3: 255" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 255" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/closure_fn2.c b/testsuite/libffi.call/closure_fn2.c
new file mode 100644
index 0000000..08ff9d9
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn2.c
@@ -0,0 +1,81 @@
+/* Area:	closure_call
+   Purpose:	Check multiple values passing from different type.
+		Also, exceed the limit of gpr and fpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void closure_test_fn2(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			     void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(double *)args[0] +(int)(*(double *)args[1]) +
+    (int)(*(double *)args[2]) + (int)*(double *)args[3] +
+    (int)(*(signed short *)args[4]) + (int)(*(double *)args[5]) +
+    (int)*(double *)args[6] + (int)(*(int *)args[7]) +
+    (int)(*(double *)args[8]) + (int)*(int *)args[9] +
+    (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
+    (int)*(int *)args[12] + (int)(*(float *)args[13]) +
+    (int)(*(int *)args[14]) + *(int *)args[15] + (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(double *)args[0], (int)(*(double *)args[1]),
+	 (int)(*(double *)args[2]), (int)*(double *)args[3],
+	 (int)(*(signed short *)args[4]), (int)(*(double *)args[5]),
+	 (int)*(double *)args[6], (int)(*(int *)args[7]),
+	 (int)(*(double*)args[8]), (int)*(int *)args[9],
+	 (int)(*(int *)args[10]), (int)(*(float *)args[11]),
+	 (int)*(int *)args[12], (int)(*(float *)args[13]),
+	 (int)(*(int *)args[14]), *(int *)args[15], (int)(intptr_t)userdata,
+	 (int)*(ffi_arg *)resp);
+}
+
+typedef int (*closure_test_type2)(double, double, double, double, signed short,
+				  double, double, int, double, int, int, float,
+				  int, float, int, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int res;
+
+  cl_arg_types[0] = &ffi_type_double;
+  cl_arg_types[1] = &ffi_type_double;
+  cl_arg_types[2] = &ffi_type_double;
+  cl_arg_types[3] = &ffi_type_double;
+  cl_arg_types[4] = &ffi_type_sshort;
+  cl_arg_types[5] = &ffi_type_double;
+  cl_arg_types[6] = &ffi_type_double;
+  cl_arg_types[7] = &ffi_type_sint;
+  cl_arg_types[8] = &ffi_type_double;
+  cl_arg_types[9] = &ffi_type_sint;
+  cl_arg_types[10] = &ffi_type_sint;
+  cl_arg_types[11] = &ffi_type_float;
+  cl_arg_types[12] = &ffi_type_sint;
+  cl_arg_types[13] = &ffi_type_float;
+  cl_arg_types[14] = &ffi_type_sint;
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn2,
+                             (void *) 3 /* userdata */, code) == FFI_OK);
+
+  res = (*((closure_test_type2)code))
+    (1, 2, 3, 4, 127, 5, 6, 8, 9, 10, 11, 12.0, 13,
+     19.0, 21, 1);
+  /* { dg-output "1 2 3 4 127 5 6 8 9 10 11 12 13 19 21 1 3: 255" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 255" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/closure_fn3.c b/testsuite/libffi.call/closure_fn3.c
new file mode 100644
index 0000000..9b54d80
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn3.c
@@ -0,0 +1,82 @@
+/* Area:	closure_call
+   Purpose:	Check multiple values passing from different type.
+		Also, exceed the limit of gpr and fpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void closure_test_fn3(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			     void* userdata)
+ {
+   *(ffi_arg*)resp =
+     (int)*(float *)args[0] +(int)(*(float *)args[1]) +
+     (int)(*(float *)args[2]) + (int)*(float *)args[3] +
+     (int)(*(float *)args[4]) + (int)(*(float *)args[5]) +
+     (int)*(float *)args[6] + (int)(*(float *)args[7]) +
+     (int)(*(double *)args[8]) + (int)*(int *)args[9] +
+     (int)(*(float *)args[10]) + (int)(*(float *)args[11]) +
+     (int)*(int *)args[12] + (int)(*(float *)args[13]) +
+     (int)(*(float *)args[14]) +  *(int *)args[15] + (intptr_t)userdata;
+
+   printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	  (int)*(float *)args[0], (int)(*(float *)args[1]),
+	  (int)(*(float *)args[2]), (int)*(float *)args[3],
+	  (int)(*(float *)args[4]), (int)(*(float *)args[5]),
+	  (int)*(float *)args[6], (int)(*(float *)args[7]),
+	  (int)(*(double *)args[8]), (int)*(int *)args[9],
+	  (int)(*(float *)args[10]), (int)(*(float *)args[11]),
+	  (int)*(int *)args[12], (int)(*(float *)args[13]),
+	  (int)(*(float *)args[14]), *(int *)args[15], (int)(intptr_t)userdata,
+	  (int)*(ffi_arg *)resp);
+
+ }
+
+typedef int (*closure_test_type3)(float, float, float, float, float, float,
+				  float, float, double, int, float, float, int,
+				  float, float, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int res;
+
+  cl_arg_types[0] = &ffi_type_float;
+  cl_arg_types[1] = &ffi_type_float;
+  cl_arg_types[2] = &ffi_type_float;
+  cl_arg_types[3] = &ffi_type_float;
+  cl_arg_types[4] = &ffi_type_float;
+  cl_arg_types[5] = &ffi_type_float;
+  cl_arg_types[6] = &ffi_type_float;
+  cl_arg_types[7] = &ffi_type_float;
+  cl_arg_types[8] = &ffi_type_double;
+  cl_arg_types[9] = &ffi_type_sint;
+  cl_arg_types[10] = &ffi_type_float;
+  cl_arg_types[11] = &ffi_type_float;
+  cl_arg_types[12] = &ffi_type_sint;
+  cl_arg_types[13] = &ffi_type_float;
+  cl_arg_types[14] = &ffi_type_float;
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn3,
+                             (void *) 3 /* userdata */, code)  == FFI_OK);
+
+  res = (*((closure_test_type3)code))
+    (1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9, 10, 11.11, 12.0, 13,
+     19.19, 21.21, 1);
+  /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 19 21 1 3: 135" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 135" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/closure_fn4.c b/testsuite/libffi.call/closure_fn4.c
new file mode 100644
index 0000000..d4a1530
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn4.c
@@ -0,0 +1,89 @@
+/* Area:	closure_call
+   Purpose:	Check multiple long long values passing.
+		Also, exceed the limit of gpr and fpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20031026	 */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+
+static void
+closure_test_fn0(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		 void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(unsigned long long *)args[0] + (int)*(unsigned long long *)args[1] +
+    (int)*(unsigned long long *)args[2] + (int)*(unsigned long long *)args[3] +
+    (int)*(unsigned long long *)args[4] + (int)*(unsigned long long *)args[5] +
+    (int)*(unsigned long long *)args[6] + (int)*(unsigned long long *)args[7] +
+    (int)*(unsigned long long *)args[8] + (int)*(unsigned long long *)args[9] +
+    (int)*(unsigned long long *)args[10] +
+    (int)*(unsigned long long *)args[11] +
+    (int)*(unsigned long long *)args[12] +
+    (int)*(unsigned long long *)args[13] +
+    (int)*(unsigned long long *)args[14] +
+    *(int *)args[15] + (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(unsigned long long *)args[0],
+	 (int)*(unsigned long long *)args[1],
+	 (int)*(unsigned long long *)args[2],
+	 (int)*(unsigned long long *)args[3],
+	 (int)*(unsigned long long *)args[4],
+	 (int)*(unsigned long long *)args[5],
+	 (int)*(unsigned long long *)args[6],
+	 (int)*(unsigned long long *)args[7],
+	 (int)*(unsigned long long *)args[8],
+	 (int)*(unsigned long long *)args[9],
+	 (int)*(unsigned long long *)args[10],
+	 (int)*(unsigned long long *)args[11],
+	 (int)*(unsigned long long *)args[12],
+	 (int)*(unsigned long long *)args[13],
+	 (int)*(unsigned long long *)args[14],
+	 *(int *)args[15],
+	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
+
+}
+
+typedef int (*closure_test_type0)(unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int i, res;
+
+  for (i = 0; i < 15; i++) {
+    cl_arg_types[i] = &ffi_type_uint64;
+  }
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn0,
+                             (void *) 3 /* userdata */, code) == FFI_OK);
+
+  res = (*((closure_test_type0)code))
+    (1LL, 2LL, 3LL, 4LL, 127LL, 429LL, 7LL, 8LL, 9LL, 10LL, 11LL, 12LL,
+     13LL, 19LL, 21LL, 1);
+  /* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 680" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/closure_fn5.c b/testsuite/libffi.call/closure_fn5.c
new file mode 100644
index 0000000..9907442
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn5.c
@@ -0,0 +1,92 @@
+/* Area:	closure_call
+   Purpose:	Check multiple long long values passing.
+		Exceed the limit of gpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20031026	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void
+closure_test_fn5(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		 void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(unsigned long long *)args[0] + (int)*(unsigned long long *)args[1] +
+    (int)*(unsigned long long *)args[2] + (int)*(unsigned long long *)args[3] +
+    (int)*(unsigned long long *)args[4] + (int)*(unsigned long long *)args[5] +
+    (int)*(unsigned long long *)args[6] + (int)*(unsigned long long *)args[7] +
+    (int)*(unsigned long long *)args[8] + (int)*(unsigned long long *)args[9] +
+    (int)*(int *)args[10] +
+    (int)*(unsigned long long *)args[11] +
+    (int)*(unsigned long long *)args[12] +
+    (int)*(unsigned long long *)args[13] +
+    (int)*(unsigned long long *)args[14] +
+    *(int *)args[15] + (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(unsigned long long *)args[0],
+	 (int)*(unsigned long long *)args[1],
+	 (int)*(unsigned long long *)args[2],
+	 (int)*(unsigned long long *)args[3],
+	 (int)*(unsigned long long *)args[4],
+	 (int)*(unsigned long long *)args[5],
+	 (int)*(unsigned long long *)args[6],
+	 (int)*(unsigned long long *)args[7],
+	 (int)*(unsigned long long *)args[8],
+	 (int)*(unsigned long long *)args[9],
+	 (int)*(int *)args[10],
+	 (int)*(unsigned long long *)args[11],
+	 (int)*(unsigned long long *)args[12],
+	 (int)*(unsigned long long *)args[13],
+	 (int)*(unsigned long long *)args[14],
+	 *(int *)args[15],
+	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
+
+}
+
+typedef int (*closure_test_type0)(unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  int, unsigned long long,
+				  unsigned long long, unsigned long long,
+				  unsigned long long, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int i, res;
+
+  for (i = 0; i < 10; i++) {
+    cl_arg_types[i] = &ffi_type_uint64;
+  }
+  cl_arg_types[10] = &ffi_type_sint;
+  for (i = 11; i < 15; i++) {
+    cl_arg_types[i] = &ffi_type_uint64;
+  }
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn5,
+                             (void *) 3 /* userdata */, code) == FFI_OK);
+
+  res = (*((closure_test_type0)code))
+    (1LL, 2LL, 3LL, 4LL, 127LL, 429LL, 7LL, 8LL, 9LL, 10LL, 11, 12LL,
+     13LL, 19LL, 21LL, 1);
+  /* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 680" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/closure_fn6.c b/testsuite/libffi.call/closure_fn6.c
new file mode 100644
index 0000000..73c54fd
--- /dev/null
+++ b/testsuite/libffi.call/closure_fn6.c
@@ -0,0 +1,90 @@
+/* Area:	closure_call
+   Purpose:	Check multiple values passing from different type.
+		Also, exceed the limit of gpr and fpr registers on PowerPC.
+   Limitations:	none.
+   PR:		PR23404
+   Originator:	<andreast@gcc.gnu.org> 20050830	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void
+closure_test_fn0(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		 void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(unsigned long long *)args[0] +
+    (int)(*(unsigned long long *)args[1]) +
+    (int)(*(unsigned long long *)args[2]) +
+    (int)*(unsigned long long *)args[3] +
+    (int)(*(int *)args[4]) + (int)(*(double *)args[5]) +
+    (int)*(double *)args[6] + (int)(*(float *)args[7]) +
+    (int)(*(double *)args[8]) + (int)*(double *)args[9] +
+    (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
+    (int)*(int *)args[12] + (int)(*(int *)args[13]) +
+    (int)(*(double *)args[14]) +  (int)*(double *)args[15] +
+    (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(unsigned long long  *)args[0],
+	 (int)(*(unsigned long long  *)args[1]),
+	 (int)(*(unsigned long long  *)args[2]),
+	 (int)*(unsigned long long  *)args[3],
+	 (int)(*(int *)args[4]), (int)(*(double *)args[5]),
+	 (int)*(double *)args[6], (int)(*(float *)args[7]),
+	 (int)(*(double *)args[8]), (int)*(double *)args[9],
+	 (int)(*(int *)args[10]), (int)(*(float *)args[11]),
+	 (int)*(int *)args[12], (int)(*(int *)args[13]),
+	 (int)(*(double *)args[14]), (int)(*(double *)args[15]),
+	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
+
+}
+
+typedef int (*closure_test_type0)(unsigned long long,
+				  unsigned long long,
+				  unsigned long long,
+				  unsigned long long,
+				  int, double, double, float, double, double,
+				  int, float, int, int, double, double);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int res;
+
+  cl_arg_types[0] = &ffi_type_uint64;
+  cl_arg_types[1] = &ffi_type_uint64;
+  cl_arg_types[2] = &ffi_type_uint64;
+  cl_arg_types[3] = &ffi_type_uint64;
+  cl_arg_types[4] = &ffi_type_sint;
+  cl_arg_types[5] = &ffi_type_double;
+  cl_arg_types[6] = &ffi_type_double;
+  cl_arg_types[7] = &ffi_type_float;
+  cl_arg_types[8] = &ffi_type_double;
+  cl_arg_types[9] = &ffi_type_double;
+  cl_arg_types[10] = &ffi_type_sint;
+  cl_arg_types[11] = &ffi_type_float;
+  cl_arg_types[12] = &ffi_type_sint;
+  cl_arg_types[13] = &ffi_type_sint;
+  cl_arg_types[14] = &ffi_type_double;
+  cl_arg_types[15] = &ffi_type_double;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_fn0,
+                             (void *) 3 /* userdata */, code) == FFI_OK);
+
+  res = (*((closure_test_type0)code))
+    (1, 2, 3, 4, 127, 429., 7., 8., 9.5, 10., 11, 12., 13,
+     19, 21., 1.);
+  /* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 680" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/closure_loc_fn0.c b/testsuite/libffi.call/closure_loc_fn0.c
new file mode 100644
index 0000000..b3afa0b
--- /dev/null
+++ b/testsuite/libffi.call/closure_loc_fn0.c
@@ -0,0 +1,95 @@
+/* Area:	closure_call
+   Purpose:	Check multiple values passing from different type.
+		Also, exceed the limit of gpr and fpr registers on PowerPC
+		Darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void
+closure_loc_test_fn0(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		 void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(unsigned long long *)args[0] + (int)(*(int *)args[1]) +
+    (int)(*(unsigned long long *)args[2]) + (int)*(int *)args[3] +
+    (int)(*(signed short *)args[4]) +
+    (int)(*(unsigned long long *)args[5]) +
+    (int)*(int *)args[6] + (int)(*(int *)args[7]) +
+    (int)(*(double *)args[8]) + (int)*(int *)args[9] +
+    (int)(*(int *)args[10]) + (int)(*(float *)args[11]) +
+    (int)*(int *)args[12] + (int)(*(int *)args[13]) +
+    (int)(*(int *)args[14]) +  *(int *)args[15] + (intptr_t)userdata;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d\n",
+	 (int)*(unsigned long long *)args[0], (int)(*(int *)args[1]),
+	 (int)(*(unsigned long long *)args[2]),
+	 (int)*(int *)args[3], (int)(*(signed short *)args[4]),
+	 (int)(*(unsigned long long *)args[5]),
+	 (int)*(int *)args[6], (int)(*(int *)args[7]),
+	 (int)(*(double *)args[8]), (int)*(int *)args[9],
+	 (int)(*(int *)args[10]), (int)(*(float *)args[11]),
+	 (int)*(int *)args[12], (int)(*(int *)args[13]),
+	 (int)(*(int *)args[14]),*(int *)args[15],
+	 (int)(intptr_t)userdata, (int)*(ffi_arg *)resp);
+
+}
+
+typedef int (*closure_loc_test_type0)(unsigned long long, int, unsigned long long,
+				  int, signed short, unsigned long long, int,
+				  int, double, int, int, float, int, int,
+				  int, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_closure *pcl;
+  ffi_type * cl_arg_types[17];
+  int res;
+  void *codeloc;
+
+  cl_arg_types[0] = &ffi_type_uint64;
+  cl_arg_types[1] = &ffi_type_sint;
+  cl_arg_types[2] = &ffi_type_uint64;
+  cl_arg_types[3] = &ffi_type_sint;
+  cl_arg_types[4] = &ffi_type_sshort;
+  cl_arg_types[5] = &ffi_type_uint64;
+  cl_arg_types[6] = &ffi_type_sint;
+  cl_arg_types[7] = &ffi_type_sint;
+  cl_arg_types[8] = &ffi_type_double;
+  cl_arg_types[9] = &ffi_type_sint;
+  cl_arg_types[10] = &ffi_type_sint;
+  cl_arg_types[11] = &ffi_type_float;
+  cl_arg_types[12] = &ffi_type_sint;
+  cl_arg_types[13] = &ffi_type_sint;
+  cl_arg_types[14] = &ffi_type_sint;
+  cl_arg_types[15] = &ffi_type_sint;
+  cl_arg_types[16] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 16,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  pcl = ffi_closure_alloc(sizeof(ffi_closure), &codeloc);
+  CHECK(pcl != NULL);
+  CHECK(codeloc != NULL);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_loc_test_fn0,
+			 (void *) 3 /* userdata */, codeloc) == FFI_OK);
+  
+  CHECK(memcmp(pcl, codeloc, sizeof(*pcl)) == 0);
+
+  res = (*((closure_loc_test_type0)codeloc))
+    (1LL, 2, 3LL, 4, 127, 429LL, 7, 8, 9.5, 10, 11, 12, 13,
+     19, 21, 1);
+  /* { dg-output "1 2 3 4 127 429 7 8 9 10 11 12 13 19 21 1 3: 680" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 680" } */
+     exit(0);
+}
diff --git a/testsuite/libffi.call/closure_stdcall.c b/testsuite/libffi.call/closure_stdcall.c
new file mode 100644
index 0000000..6bfcc1f
--- /dev/null
+++ b/testsuite/libffi.call/closure_stdcall.c
@@ -0,0 +1,64 @@
+/* Area:	closure_call (stdcall convention)
+   Purpose:	Check handling when caller expects stdcall callee
+   Limitations:	none.
+   PR:		none.
+   Originator:	<twalljava@dev.java.net> */
+
+/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
+#include "ffitest.h"
+
+static void
+closure_test_stdcall(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		 void* userdata)
+{
+  *(ffi_arg*)resp =
+    (int)*(int *)args[0] + (int)(*(int *)args[1])
+    + (int)(*(int *)args[2])  + (int)(*(int *)args[3])
+    + (int)(intptr_t)userdata;
+
+  printf("%d %d %d %d: %d\n",
+	 (int)*(int *)args[0], (int)(*(int *)args[1]),
+	 (int)(*(int *)args[2]), (int)(*(int *)args[3]),
+         (int)*(ffi_arg *)resp);
+
+}
+
+typedef int (__stdcall *closure_test_type0)(int, int, int, int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[17];
+  int res;
+  void* sp_pre;
+  void* sp_post;
+  char buf[1024];
+
+  cl_arg_types[0] = &ffi_type_uint;
+  cl_arg_types[1] = &ffi_type_uint;
+  cl_arg_types[2] = &ffi_type_uint;
+  cl_arg_types[3] = &ffi_type_uint;
+  cl_arg_types[4] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_STDCALL, 4,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_stdcall,
+                             (void *) 3 /* userdata */, code) == FFI_OK);
+
+  asm volatile (" movl %%esp,%0" : "=g" (sp_pre));
+  res = (*(closure_test_type0)code)(0, 1, 2, 3);
+  asm volatile (" movl %%esp,%0" : "=g" (sp_post));
+  /* { dg-output "0 1 2 3: 9" } */
+
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 9" } */
+
+  sprintf(buf, "mismatch: pre=%p vs post=%p", sp_pre, sp_post);
+  printf("stack pointer %s\n", (sp_pre == sp_post ? "match" : buf));
+  /* { dg-output "\nstack pointer match" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_12byte.c b/testsuite/libffi.call/cls_12byte.c
new file mode 100644
index 0000000..f0a334f
--- /dev/null
+++ b/testsuite/libffi.call/cls_12byte.c
@@ -0,0 +1,94 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_12byte {
+  int a;
+  int b;
+  int c;
+} cls_struct_12byte;
+
+cls_struct_12byte cls_struct_12byte_fn(struct cls_struct_12byte b1,
+			    struct cls_struct_12byte b2)
+{
+  struct cls_struct_12byte result;
+
+  result.a = b1.a + b2.a;
+  result.b = b1.b + b2.b;
+  result.c = b1.c + b2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
+	 result.a, result.b, result.c);
+
+  return result;
+}
+
+static void cls_struct_12byte_gn(ffi_cif* cif __UNUSED__, void* resp,
+				 void** args , void* userdata __UNUSED__)
+{
+  struct cls_struct_12byte b1, b2;
+
+  b1 = *(struct cls_struct_12byte*)(args[0]);
+  b2 = *(struct cls_struct_12byte*)(args[1]);
+
+  *(cls_struct_12byte*)resp = cls_struct_12byte_fn(b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_12byte h_dbl = { 7, 4, 9 };
+  struct cls_struct_12byte j_dbl = { 1, 5, 3 };
+  struct cls_struct_12byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_sint;
+  cls_struct_fields[1] = &ffi_type_sint;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &h_dbl;
+  args_dbl[1] = &j_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_12byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "7 4 9 1 5 3: 8 9 12" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 8 9 12" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_12byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl.a = 0;
+  res_dbl.b = 0;
+  res_dbl.c = 0;
+
+  res_dbl = ((cls_struct_12byte(*)(cls_struct_12byte, cls_struct_12byte))(code))(h_dbl, j_dbl);
+  /* { dg-output "\n7 4 9 1 5 3: 8 9 12" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 8 9 12" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_16byte.c b/testsuite/libffi.call/cls_16byte.c
new file mode 100644
index 0000000..9b9292a
--- /dev/null
+++ b/testsuite/libffi.call/cls_16byte.c
@@ -0,0 +1,95 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_16byte {
+  int a;
+  double b;
+  int c;
+} cls_struct_16byte;
+
+cls_struct_16byte cls_struct_16byte_fn(struct cls_struct_16byte b1,
+			    struct cls_struct_16byte b2)
+{
+  struct cls_struct_16byte result;
+
+  result.a = b1.a + b2.a;
+  result.b = b1.b + b2.b;
+  result.c = b1.c + b2.c;
+
+  printf("%d %g %d %d %g %d: %d %g %d\n", b1.a, b1.b, b1.c, b2.a, b2.b, b2.c,
+	 result.a, result.b, result.c);
+
+  return result;
+}
+
+static void cls_struct_16byte_gn(ffi_cif* cif __UNUSED__, void* resp,
+				 void** args, void* userdata __UNUSED__)
+{
+  struct cls_struct_16byte b1, b2;
+
+  b1 = *(struct cls_struct_16byte*)(args[0]);
+  b2 = *(struct cls_struct_16byte*)(args[1]);
+
+  *(cls_struct_16byte*)resp = cls_struct_16byte_fn(b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_16byte h_dbl = { 7, 8.0, 9 };
+  struct cls_struct_16byte j_dbl = { 1, 9.0, 3 };
+  struct cls_struct_16byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_sint;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &h_dbl;
+  args_dbl[1] = &j_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_16byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "7 8 9 1 9 3: 8 17 12" } */
+  printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 8 17 12" } */
+
+  res_dbl.a = 0;
+  res_dbl.b = 0.0;
+  res_dbl.c = 0;
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_16byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_16byte(*)(cls_struct_16byte, cls_struct_16byte))(code))(h_dbl, j_dbl);
+  /* { dg-output "\n7 8 9 1 9 3: 8 17 12" } */
+  printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 8 17 12" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_18byte.c b/testsuite/libffi.call/cls_18byte.c
new file mode 100644
index 0000000..40c8c6d
--- /dev/null
+++ b/testsuite/libffi.call/cls_18byte.c
@@ -0,0 +1,96 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Double alignment check on darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030915	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_18byte {
+  double a;
+  unsigned char b;
+  unsigned char c;
+  double d;
+} cls_struct_18byte;
+
+cls_struct_18byte cls_struct_18byte_fn(struct cls_struct_18byte a1,
+			    struct cls_struct_18byte a2)
+{
+  struct cls_struct_18byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+
+
+  printf("%g %d %d %g %g %d %d %g: %g %d %d %g\n", a1.a, a1.b, a1.c, a1.d,
+	 a2.a, a2.b, a2.c, a2.d,
+	 result.a, result.b, result.c, result.d);
+  return result;
+}
+
+static void
+cls_struct_18byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_18byte a1, a2;
+
+  a1 = *(struct cls_struct_18byte*)(args[0]);
+  a2 = *(struct cls_struct_18byte*)(args[1]);
+
+  *(cls_struct_18byte*)resp = cls_struct_18byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[5];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_18byte g_dbl = { 1.0, 127, 126, 3.0 };
+  struct cls_struct_18byte f_dbl = { 4.0, 125, 124, 5.0 };
+  struct cls_struct_18byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_double;
+  cls_struct_fields[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_18byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 127 126 3 4 125 124 5: 5 252 250 8" } */
+  printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 5 252 250 8" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_18byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_18byte(*)(cls_struct_18byte, cls_struct_18byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n1 127 126 3 4 125 124 5: 5 252 250 8" } */
+  printf("res: %g %d %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 5 252 250 8" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_19byte.c b/testsuite/libffi.call/cls_19byte.c
new file mode 100644
index 0000000..aa64248
--- /dev/null
+++ b/testsuite/libffi.call/cls_19byte.c
@@ -0,0 +1,102 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Double alignment check on darwin.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030915	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_19byte {
+  double a;
+  unsigned char b;
+  unsigned char c;
+  double d;
+  unsigned char e;
+} cls_struct_19byte;
+
+cls_struct_19byte cls_struct_19byte_fn(struct cls_struct_19byte a1,
+			    struct cls_struct_19byte a2)
+{
+  struct cls_struct_19byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+  result.e = a1.e + a2.e;
+
+
+  printf("%g %d %d %g %d %g %d %d %g %d: %g %d %d %g %d\n",
+	 a1.a, a1.b, a1.c, a1.d, a1.e,
+	 a2.a, a2.b, a2.c, a2.d, a2.e,
+	 result.a, result.b, result.c, result.d, result.e);
+  return result;
+}
+
+static void
+cls_struct_19byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_19byte a1, a2;
+
+  a1 = *(struct cls_struct_19byte*)(args[0]);
+  a2 = *(struct cls_struct_19byte*)(args[1]);
+
+  *(cls_struct_19byte*)resp = cls_struct_19byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[6];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_19byte g_dbl = { 1.0, 127, 126, 3.0, 120 };
+  struct cls_struct_19byte f_dbl = { 4.0, 125, 124, 5.0, 119 };
+  struct cls_struct_19byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_double;
+  cls_struct_fields[4] = &ffi_type_uchar;
+  cls_struct_fields[5] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_19byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
+  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e);
+  /* { dg-output "\nres: 5 252 250 8 239" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_19byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_19byte(*)(cls_struct_19byte, cls_struct_19byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n1 127 126 3 120 4 125 124 5 119: 5 252 250 8 239" } */
+  printf("res: %g %d %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e);
+  /* { dg-output "\nres: 5 252 250 8 239" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_1_1byte.c b/testsuite/libffi.call/cls_1_1byte.c
new file mode 100644
index 0000000..b9402d6
--- /dev/null
+++ b/testsuite/libffi.call/cls_1_1byte.c
@@ -0,0 +1,89 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Especially with small structures which may fit in one
+		register. Depending on the ABI.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030902	 */
+
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_1_1byte {
+  unsigned char a;
+} cls_struct_1_1byte;
+
+cls_struct_1_1byte cls_struct_1_1byte_fn(struct cls_struct_1_1byte a1,
+			    struct cls_struct_1_1byte a2)
+{
+  struct cls_struct_1_1byte result;
+
+  result.a = a1.a + a2.a;
+
+  printf("%d %d: %d\n", a1.a, a2.a, result.a);
+
+  return  result;
+}
+
+static void
+cls_struct_1_1byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		      void* userdata __UNUSED__)
+{
+
+  struct cls_struct_1_1byte a1, a2;
+
+  a1 = *(struct cls_struct_1_1byte*)(args[0]);
+  a2 = *(struct cls_struct_1_1byte*)(args[1]);
+
+  *(cls_struct_1_1byte*)resp = cls_struct_1_1byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[2];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_1_1byte g_dbl = { 12 };
+  struct cls_struct_1_1byte f_dbl = { 178 };
+  struct cls_struct_1_1byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_1_1byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 178: 190" } */
+  printf("res: %d\n", res_dbl.a);
+  /* { dg-output "\nres: 190" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_1_1byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_1_1byte(*)(cls_struct_1_1byte, cls_struct_1_1byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 178: 190" } */
+  printf("res: %d\n", res_dbl.a);
+  /* { dg-output "\nres: 190" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_20byte.c b/testsuite/libffi.call/cls_20byte.c
new file mode 100644
index 0000000..80dd7ac
--- /dev/null
+++ b/testsuite/libffi.call/cls_20byte.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_20byte {
+  double a;
+  double b;
+  int c;
+} cls_struct_20byte;
+
+cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1,
+			    struct cls_struct_20byte a2)
+{
+  struct cls_struct_20byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%g %g %d %g %g %d: %g %g %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
+	 result.a, result.b, result.c);
+  return result;
+}
+
+static void
+cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_20byte a1, a2;
+
+  a1 = *(struct cls_struct_20byte*)(args[0]);
+  a2 = *(struct cls_struct_20byte*)(args[1]);
+
+  *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_20byte g_dbl = { 1.0, 2.0, 3 };
+  struct cls_struct_20byte f_dbl = { 4.0, 5.0, 7 };
+  struct cls_struct_20byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
+  printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 5 7 10" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
+  printf("res: %g %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 5 7 10" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_20byte1.c b/testsuite/libffi.call/cls_20byte1.c
new file mode 100644
index 0000000..50bcbbf
--- /dev/null
+++ b/testsuite/libffi.call/cls_20byte1.c
@@ -0,0 +1,93 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_20byte {
+  int a;
+  double b;
+  double c;
+} cls_struct_20byte;
+
+cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1,
+			    struct cls_struct_20byte a2)
+{
+  struct cls_struct_20byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %g %g %d %g %g: %d %g %g\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c,
+	 result.a, result.b, result.c);
+  return result;
+}
+
+static void
+cls_struct_20byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_20byte a1, a2;
+
+  a1 = *(struct cls_struct_20byte*)(args[0]);
+  a2 = *(struct cls_struct_20byte*)(args[1]);
+
+  *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 };
+  struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 };
+  struct cls_struct_20byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_sint;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_double;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 2 3 4 5 7: 5 7 10" } */
+  printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 5 7 10" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_20byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */
+  printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 5 7 10" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_24byte.c b/testsuite/libffi.call/cls_24byte.c
new file mode 100644
index 0000000..46a6eb4
--- /dev/null
+++ b/testsuite/libffi.call/cls_24byte.c
@@ -0,0 +1,113 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_24byte {
+  double a;
+  double b;
+  int c;
+  float d;
+} cls_struct_24byte;
+
+cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0,
+			    struct cls_struct_24byte b1,
+			    struct cls_struct_24byte b2,
+			    struct cls_struct_24byte b3)
+{
+  struct cls_struct_24byte result;
+
+  result.a = b0.a + b1.a + b2.a + b3.a;
+  result.b = b0.b + b1.b + b2.b + b3.b;
+  result.c = b0.c + b1.c + b2.c + b3.c;
+  result.d = b0.d + b1.d + b2.d + b3.d;
+
+  printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n",
+	 b0.a, b0.b, b0.c, b0.d,
+	 b1.a, b1.b, b1.c, b1.d,
+	 b2.a, b2.b, b2.c, b2.d,
+	 b3.a, b3.b, b3.c, b2.d,
+	 result.a, result.b, result.c, result.d);
+
+  return result;
+}
+
+static void
+cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_24byte b0, b1, b2, b3;
+
+  b0 = *(struct cls_struct_24byte*)(args[0]);
+  b1 = *(struct cls_struct_24byte*)(args[1]);
+  b2 = *(struct cls_struct_24byte*)(args[2]);
+  b3 = *(struct cls_struct_24byte*)(args[3]);
+
+  *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 };
+  struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 };
+  struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 };
+  struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 };
+  struct cls_struct_24byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = &ffi_type_float;
+  cls_struct_fields[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = &cls_struct_type;
+  dbl_arg_types[3] = &cls_struct_type;
+  dbl_arg_types[4] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = &h_dbl;
+  args_dbl[4] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
+  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 22 15 17 25" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte,
+				   cls_struct_24byte,
+				   cls_struct_24byte,
+				   cls_struct_24byte))
+	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
+  /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 9: 22 15 17 25" } */
+  printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 22 15 17 25" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_2byte.c b/testsuite/libffi.call/cls_2byte.c
new file mode 100644
index 0000000..101e130
--- /dev/null
+++ b/testsuite/libffi.call/cls_2byte.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Especially with small structures which may fit in one
+		register. Depending on the ABI.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_2byte {
+  unsigned char a;
+  unsigned char b;
+} cls_struct_2byte;
+
+cls_struct_2byte cls_struct_2byte_fn(struct cls_struct_2byte a1,
+			    struct cls_struct_2byte a2)
+{
+  struct cls_struct_2byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+
+  printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
+
+  return  result;
+}
+
+static void
+cls_struct_2byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_2byte a1, a2;
+
+  a1 = *(struct cls_struct_2byte*)(args[0]);
+  a2 = *(struct cls_struct_2byte*)(args[1]);
+
+  *(cls_struct_2byte*)resp = cls_struct_2byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_2byte g_dbl = { 12, 127 };
+  struct cls_struct_2byte f_dbl = { 1, 13 };
+  struct cls_struct_2byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_2byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 127 1 13: 13 140" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 13 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_2byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_2byte(*)(cls_struct_2byte, cls_struct_2byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 127 1 13: 13 140" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 13 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_3_1byte.c b/testsuite/libffi.call/cls_3_1byte.c
new file mode 100644
index 0000000..fc780c3
--- /dev/null
+++ b/testsuite/libffi.call/cls_3_1byte.c
@@ -0,0 +1,95 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Especially with small structures which may fit in one
+		register. Depending on the ABI.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030902	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_3_1byte {
+  unsigned char a;
+  unsigned char b;
+  unsigned char c;
+} cls_struct_3_1byte;
+
+cls_struct_3_1byte cls_struct_3_1byte_fn(struct cls_struct_3_1byte a1,
+			    struct cls_struct_3_1byte a2)
+{
+  struct cls_struct_3_1byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c,
+	 a2.a, a2.b, a2.c,
+	 result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_3_1byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		      void* userdata __UNUSED__)
+{
+
+  struct cls_struct_3_1byte a1, a2;
+
+  a1 = *(struct cls_struct_3_1byte*)(args[0]);
+  a2 = *(struct cls_struct_3_1byte*)(args[1]);
+
+  *(cls_struct_3_1byte*)resp = cls_struct_3_1byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_3_1byte g_dbl = { 12, 13, 14 };
+  struct cls_struct_3_1byte f_dbl = { 178, 179, 180 };
+  struct cls_struct_3_1byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_3_1byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 13 14 178 179 180: 190 192 194" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 190 192 194" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_3_1byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_3_1byte(*)(cls_struct_3_1byte, cls_struct_3_1byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 13 14 178 179 180: 190 192 194" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 190 192 194" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_3byte1.c b/testsuite/libffi.call/cls_3byte1.c
new file mode 100644
index 0000000..5705ce3
--- /dev/null
+++ b/testsuite/libffi.call/cls_3byte1.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Especially with small structures which may fit in one
+		register. Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_3byte {
+  unsigned short a;
+  unsigned char b;
+} cls_struct_3byte;
+
+cls_struct_3byte cls_struct_3byte_fn(struct cls_struct_3byte a1,
+			    struct cls_struct_3byte a2)
+{
+  struct cls_struct_3byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+
+  printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
+
+  return  result;
+}
+
+static void
+cls_struct_3byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_3byte a1, a2;
+
+  a1 = *(struct cls_struct_3byte*)(args[0]);
+  a2 = *(struct cls_struct_3byte*)(args[1]);
+
+  *(cls_struct_3byte*)resp = cls_struct_3byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_3byte g_dbl = { 12, 119 };
+  struct cls_struct_3byte f_dbl = { 1, 15 };
+  struct cls_struct_3byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_ushort;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_3byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 119 1 15: 13 134" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 13 134" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_3byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_3byte(*)(cls_struct_3byte, cls_struct_3byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 119 1 15: 13 134" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 13 134" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_3byte2.c b/testsuite/libffi.call/cls_3byte2.c
new file mode 100644
index 0000000..01770a0
--- /dev/null
+++ b/testsuite/libffi.call/cls_3byte2.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Especially with small structures which may fit in one
+		register. Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_3byte_1 {
+  unsigned char a;
+  unsigned short b;
+} cls_struct_3byte_1;
+
+cls_struct_3byte_1 cls_struct_3byte_fn1(struct cls_struct_3byte_1 a1,
+			    struct cls_struct_3byte_1 a2)
+{
+  struct cls_struct_3byte_1 result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+
+  printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
+
+  return  result;
+}
+
+static void
+cls_struct_3byte_gn1(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+
+  struct cls_struct_3byte_1 a1, a2;
+
+  a1 = *(struct cls_struct_3byte_1*)(args[0]);
+  a2 = *(struct cls_struct_3byte_1*)(args[1]);
+
+  *(cls_struct_3byte_1*)resp = cls_struct_3byte_fn1(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_3byte_1 g_dbl = { 15, 125 };
+  struct cls_struct_3byte_1 f_dbl = { 9, 19 };
+  struct cls_struct_3byte_1 res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_ushort;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_3byte_fn1), &res_dbl, args_dbl);
+  /* { dg-output "15 125 9 19: 24 144" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 24 144" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_3byte_gn1, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_3byte_1(*)(cls_struct_3byte_1, cls_struct_3byte_1))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n15 125 9 19: 24 144" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 24 144" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_4_1byte.c b/testsuite/libffi.call/cls_4_1byte.c
new file mode 100644
index 0000000..f3806d7
--- /dev/null
+++ b/testsuite/libffi.call/cls_4_1byte.c
@@ -0,0 +1,98 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Especially with small structures which may fit in one
+		register. Depending on the ABI.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030902	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_4_1byte {
+  unsigned char a;
+  unsigned char b;
+  unsigned char c;
+  unsigned char d;
+} cls_struct_4_1byte;
+
+cls_struct_4_1byte cls_struct_4_1byte_fn(struct cls_struct_4_1byte a1,
+			    struct cls_struct_4_1byte a2)
+{
+  struct cls_struct_4_1byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+
+  printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d,
+	 a2.a, a2.b, a2.c, a2.d,
+	 result.a, result.b, result.c, result.d);
+
+  return  result;
+}
+
+static void
+cls_struct_4_1byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		      void* userdata __UNUSED__)
+{
+
+  struct cls_struct_4_1byte a1, a2;
+
+  a1 = *(struct cls_struct_4_1byte*)(args[0]);
+  a2 = *(struct cls_struct_4_1byte*)(args[1]);
+
+  *(cls_struct_4_1byte*)resp = cls_struct_4_1byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_4_1byte g_dbl = { 12, 13, 14, 15 };
+  struct cls_struct_4_1byte f_dbl = { 178, 179, 180, 181 };
+  struct cls_struct_4_1byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_uchar;
+  cls_struct_fields[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_4_1byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 13 14 15 178 179 180 181: 190 192 194 196" } */
+  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 190 192 194 196" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_4_1byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_4_1byte(*)(cls_struct_4_1byte, cls_struct_4_1byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 13 14 15 178 179 180 181: 190 192 194 196" } */
+  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 190 192 194 196" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_4byte.c b/testsuite/libffi.call/cls_4byte.c
new file mode 100644
index 0000000..a1aba3c
--- /dev/null
+++ b/testsuite/libffi.call/cls_4byte.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+
+typedef struct cls_struct_4byte {
+  unsigned short a;
+  unsigned short b;
+} cls_struct_4byte;
+
+cls_struct_4byte cls_struct_4byte_fn(struct cls_struct_4byte a1,
+			    struct cls_struct_4byte a2)
+{
+  struct cls_struct_4byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+
+  printf("%d %d %d %d: %d %d\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
+
+  return  result;
+}
+
+static void
+cls_struct_4byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_4byte a1, a2;
+
+  a1 = *(struct cls_struct_4byte*)(args[0]);
+  a2 = *(struct cls_struct_4byte*)(args[1]);
+
+  *(cls_struct_4byte*)resp = cls_struct_4byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_4byte g_dbl = { 127, 120 };
+  struct cls_struct_4byte f_dbl = { 12, 128 };
+  struct cls_struct_4byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_ushort;
+  cls_struct_fields[1] = &ffi_type_ushort;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_4byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 12 128: 139 248" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 139 248" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_4byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_4byte(*)(cls_struct_4byte, cls_struct_4byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 12 128: 139 248" } */
+  printf("res: %d %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 139 248" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_5_1_byte.c b/testsuite/libffi.call/cls_5_1_byte.c
new file mode 100644
index 0000000..2ceba3d
--- /dev/null
+++ b/testsuite/libffi.call/cls_5_1_byte.c
@@ -0,0 +1,109 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050708	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_5byte {
+  unsigned char a;
+  unsigned char b;
+  unsigned char c;
+  unsigned char d;
+  unsigned char e;
+} cls_struct_5byte;
+
+cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1,
+			    struct cls_struct_5byte a2)
+{
+  struct cls_struct_5byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+  result.e = a1.e + a2.e;
+
+  printf("%d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d\n",
+	 a1.a, a1.b, a1.c, a1.d, a1.e,
+	 a2.a, a2.b, a2.c, a2.d, a2.e,
+	 result.a, result.b, result.c, result.d, result.e);
+
+  return  result;
+}
+
+static void
+cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_5byte a1, a2;
+
+  a1 = *(struct cls_struct_5byte*)(args[0]);
+  a2 = *(struct cls_struct_5byte*)(args[1]);
+
+  *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[6];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_5byte g_dbl = { 127, 120, 1, 3, 4 };
+  struct cls_struct_5byte f_dbl = { 12, 128, 9, 3, 4 };
+  struct cls_struct_5byte res_dbl = { 0, 0, 0, 0, 0 };
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_uchar;
+  cls_struct_fields[4] = &ffi_type_uchar;
+  cls_struct_fields[5] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
+  printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e);
+  /* { dg-output "\nres: 139 248 10 6 8" } */
+
+  res_dbl.a = 0;
+  res_dbl.b = 0;
+  res_dbl.c = 0;
+  res_dbl.d = 0;
+  res_dbl.e = 0;
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 1 3 4 12 128 9 3 4: 139 248 10 6 8" } */
+  printf("res: %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e);
+  /* { dg-output "\nres: 139 248 10 6 8" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_5byte.c b/testsuite/libffi.call/cls_5byte.c
new file mode 100644
index 0000000..61d595c
--- /dev/null
+++ b/testsuite/libffi.call/cls_5byte.c
@@ -0,0 +1,98 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_5byte {
+  unsigned short a;
+  unsigned short b;
+  unsigned char c;
+} cls_struct_5byte;
+
+cls_struct_5byte cls_struct_5byte_fn(struct cls_struct_5byte a1,
+			    struct cls_struct_5byte a2)
+{
+  struct cls_struct_5byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c,
+	 a2.a, a2.b, a2.c,
+	 result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_5byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_5byte a1, a2;
+
+  a1 = *(struct cls_struct_5byte*)(args[0]);
+  a2 = *(struct cls_struct_5byte*)(args[1]);
+
+  *(cls_struct_5byte*)resp = cls_struct_5byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_5byte g_dbl = { 127, 120, 1 };
+  struct cls_struct_5byte f_dbl = { 12, 128, 9 };
+  struct cls_struct_5byte res_dbl = { 0, 0, 0 };
+
+  cls_struct_fields[0] = &ffi_type_ushort;
+  cls_struct_fields[1] = &ffi_type_ushort;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_5byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 1 12 128 9: 139 248 10" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 139 248 10" } */
+
+  res_dbl.a = 0;
+  res_dbl.b = 0;
+  res_dbl.c = 0;
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_5byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_5byte(*)(cls_struct_5byte, cls_struct_5byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 1 12 128 9: 139 248 10" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 139 248 10" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_64byte.c b/testsuite/libffi.call/cls_64byte.c
new file mode 100644
index 0000000..576ebe0
--- /dev/null
+++ b/testsuite/libffi.call/cls_64byte.c
@@ -0,0 +1,124 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check bigger struct which overlaps
+		the gp and fp register count on Darwin/AIX/ppc64.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_64byte {
+  double a;
+  double b;
+  double c;
+  double d;
+  double e;
+  double f;
+  double g;
+  double h;
+} cls_struct_64byte;
+
+cls_struct_64byte cls_struct_64byte_fn(struct cls_struct_64byte b0,
+			    struct cls_struct_64byte b1,
+			    struct cls_struct_64byte b2,
+			    struct cls_struct_64byte b3)
+{
+  struct cls_struct_64byte result;
+
+  result.a = b0.a + b1.a + b2.a + b3.a;
+  result.b = b0.b + b1.b + b2.b + b3.b;
+  result.c = b0.c + b1.c + b2.c + b3.c;
+  result.d = b0.d + b1.d + b2.d + b3.d;
+  result.e = b0.e + b1.e + b2.e + b3.e;
+  result.f = b0.f + b1.f + b2.f + b3.f;
+  result.g = b0.g + b1.g + b2.g + b3.g;
+  result.h = b0.h + b1.h + b2.h + b3.h;
+
+  printf("%g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
+	 result.d, result.e, result.f, result.g, result.h);
+
+  return result;
+}
+
+static void
+cls_struct_64byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		     void* userdata __UNUSED__)
+{
+  struct cls_struct_64byte b0, b1, b2, b3;
+
+  b0 = *(struct cls_struct_64byte*)(args[0]);
+  b1 = *(struct cls_struct_64byte*)(args[1]);
+  b2 = *(struct cls_struct_64byte*)(args[2]);
+  b3 = *(struct cls_struct_64byte*)(args[3]);
+
+  *(cls_struct_64byte*)resp = cls_struct_64byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[9];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_64byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0 };
+  struct cls_struct_64byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0 };
+  struct cls_struct_64byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0 };
+  struct cls_struct_64byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0 };
+  struct cls_struct_64byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_double;
+  cls_struct_fields[3] = &ffi_type_double;
+  cls_struct_fields[4] = &ffi_type_double;
+  cls_struct_fields[5] = &ffi_type_double;
+  cls_struct_fields[6] = &ffi_type_double;
+  cls_struct_fields[7] = &ffi_type_double;
+  cls_struct_fields[8] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = &cls_struct_type;
+  dbl_arg_types[3] = &cls_struct_type;
+  dbl_arg_types[4] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = &h_dbl;
+  args_dbl[4] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_64byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "22 15 17 25 6 13 19 18" } */
+  printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
+  /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_64byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_64byte(*)(cls_struct_64byte,
+				   cls_struct_64byte,
+				   cls_struct_64byte,
+				   cls_struct_64byte))
+	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
+  /* { dg-output "\n22 15 17 25 6 13 19 18" } */
+  printf("res: %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h);
+  /* { dg-output "\nres: 22 15 17 25 6 13 19 18" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_6_1_byte.c b/testsuite/libffi.call/cls_6_1_byte.c
new file mode 100644
index 0000000..9f2eff6
--- /dev/null
+++ b/testsuite/libffi.call/cls_6_1_byte.c
@@ -0,0 +1,113 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050708	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_6byte {
+  unsigned char a;
+  unsigned char b;
+  unsigned char c;
+  unsigned char d;
+  unsigned char e;
+  unsigned char f;
+} cls_struct_6byte;
+
+cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1,
+			    struct cls_struct_6byte a2)
+{
+  struct cls_struct_6byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+  result.e = a1.e + a2.e;
+  result.f = a1.f + a2.f;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d\n",
+	 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f,
+	 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f,
+	 result.a, result.b, result.c, result.d, result.e, result.f);
+
+  return  result;
+}
+
+static void
+cls_struct_6byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_6byte a1, a2;
+
+  a1 = *(struct cls_struct_6byte*)(args[0]);
+  a2 = *(struct cls_struct_6byte*)(args[1]);
+
+  *(cls_struct_6byte*)resp = cls_struct_6byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[7];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_6byte g_dbl = { 127, 120, 1, 3, 4, 5 };
+  struct cls_struct_6byte f_dbl = { 12, 128, 9, 3, 4, 5 };
+  struct cls_struct_6byte res_dbl = { 0, 0, 0, 0, 0, 0 };
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_uchar;
+  cls_struct_fields[4] = &ffi_type_uchar;
+  cls_struct_fields[5] = &ffi_type_uchar;
+  cls_struct_fields[6] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_6byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */
+  printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e, res_dbl.f);
+  /* { dg-output "\nres: 139 248 10 6 8 10" } */
+
+  res_dbl.a = 0;
+  res_dbl.b = 0;
+  res_dbl.c = 0;
+  res_dbl.d = 0;
+  res_dbl.e = 0;
+  res_dbl.f = 0;
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_6byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_6byte(*)(cls_struct_6byte, cls_struct_6byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 1 3 4 5 12 128 9 3 4 5: 139 248 10 6 8 10" } */
+  printf("res: %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e, res_dbl.f);
+  /* { dg-output "\nres: 139 248 10 6 8 10" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_6byte.c b/testsuite/libffi.call/cls_6byte.c
new file mode 100644
index 0000000..73257b0
--- /dev/null
+++ b/testsuite/libffi.call/cls_6byte.c
@@ -0,0 +1,99 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_6byte {
+  unsigned short a;
+  unsigned short b;
+  unsigned char c;
+  unsigned char d;
+} cls_struct_6byte;
+
+cls_struct_6byte cls_struct_6byte_fn(struct cls_struct_6byte a1,
+			    struct cls_struct_6byte a2)
+{
+  struct cls_struct_6byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+
+  printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d,
+	 a2.a, a2.b, a2.c, a2.d,
+	 result.a, result.b, result.c, result.d);
+
+  return  result;
+}
+
+static void
+cls_struct_6byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_6byte a1, a2;
+
+  a1 = *(struct cls_struct_6byte*)(args[0]);
+  a2 = *(struct cls_struct_6byte*)(args[1]);
+
+  *(cls_struct_6byte*)resp = cls_struct_6byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_6byte g_dbl = { 127, 120, 1, 128 };
+  struct cls_struct_6byte f_dbl = { 12, 128, 9, 127 };
+  struct cls_struct_6byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_ushort;
+  cls_struct_fields[1] = &ffi_type_ushort;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_uchar;
+  cls_struct_fields[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_6byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 1 128 12 128 9 127: 139 248 10 255" } */
+  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 139 248 10 255" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_6byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_6byte(*)(cls_struct_6byte, cls_struct_6byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 1 128 12 128 9 127: 139 248 10 255" } */
+  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 139 248 10 255" } */
+
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_7_1_byte.c b/testsuite/libffi.call/cls_7_1_byte.c
new file mode 100644
index 0000000..50d09c9
--- /dev/null
+++ b/testsuite/libffi.call/cls_7_1_byte.c
@@ -0,0 +1,117 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050708	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_7byte {
+  unsigned char a;
+  unsigned char b;
+  unsigned char c;
+  unsigned char d;
+  unsigned char e;
+  unsigned char f;
+  unsigned char g;
+} cls_struct_7byte;
+
+cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
+			    struct cls_struct_7byte a2)
+{
+  struct cls_struct_7byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+  result.e = a1.e + a2.e;
+  result.f = a1.f + a2.f;
+  result.g = a1.g + a2.g;
+
+  printf("%d %d %d %d %d %d %d %d %d %d %d %d %d %d: %d %d %d %d %d %d %d\n",
+	 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
+	 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
+	 result.a, result.b, result.c, result.d, result.e, result.f, result.g);
+
+  return  result;
+}
+
+static void
+cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_7byte a1, a2;
+
+  a1 = *(struct cls_struct_7byte*)(args[0]);
+  a2 = *(struct cls_struct_7byte*)(args[1]);
+
+  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[8];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_7byte g_dbl = { 127, 120, 1, 3, 4, 5, 6 };
+  struct cls_struct_7byte f_dbl = { 12, 128, 9, 3, 4, 5, 6 };
+  struct cls_struct_7byte res_dbl = { 0, 0, 0, 0, 0, 0, 0 };
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_uchar;
+  cls_struct_fields[4] = &ffi_type_uchar;
+  cls_struct_fields[5] = &ffi_type_uchar;
+  cls_struct_fields[6] = &ffi_type_uchar;
+  cls_struct_fields[7] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
+  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
+  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
+
+  res_dbl.a = 0;
+  res_dbl.b = 0;
+  res_dbl.c = 0;
+  res_dbl.d = 0;
+  res_dbl.e = 0;
+  res_dbl.f = 0;
+  res_dbl.g = 0;
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 1 3 4 5 6 12 128 9 3 4 5 6: 139 248 10 6 8 10 12" } */
+  printf("res: %d %d %d %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c,
+	 res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
+  /* { dg-output "\nres: 139 248 10 6 8 10 12" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_7byte.c b/testsuite/libffi.call/cls_7byte.c
new file mode 100644
index 0000000..f5c0000
--- /dev/null
+++ b/testsuite/libffi.call/cls_7byte.c
@@ -0,0 +1,97 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_7byte {
+  unsigned short a;
+  unsigned short b;
+  unsigned char c;
+  unsigned short d;
+} cls_struct_7byte;
+
+cls_struct_7byte cls_struct_7byte_fn(struct cls_struct_7byte a1,
+			    struct cls_struct_7byte a2)
+{
+  struct cls_struct_7byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+  result.d = a1.d + a2.d;
+
+  printf("%d %d %d %d %d %d %d %d: %d %d %d %d\n", a1.a, a1.b, a1.c, a1.d,
+	 a2.a, a2.b, a2.c, a2.d,
+	 result.a, result.b, result.c, result.d);
+
+  return  result;
+}
+
+static void
+cls_struct_7byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_7byte a1, a2;
+
+  a1 = *(struct cls_struct_7byte*)(args[0]);
+  a2 = *(struct cls_struct_7byte*)(args[1]);
+
+  *(cls_struct_7byte*)resp = cls_struct_7byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_7byte g_dbl = { 127, 120, 1, 254 };
+  struct cls_struct_7byte f_dbl = { 12, 128, 9, 255 };
+  struct cls_struct_7byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_ushort;
+  cls_struct_fields[1] = &ffi_type_ushort;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = &ffi_type_ushort;
+  cls_struct_fields[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_7byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "127 120 1 254 12 128 9 255: 139 248 10 509" } */
+  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 139 248 10 509" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_7byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_7byte(*)(cls_struct_7byte, cls_struct_7byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n127 120 1 254 12 128 9 255: 139 248 10 509" } */
+  printf("res: %d %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d);
+  /* { dg-output "\nres: 139 248 10 509" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_8byte.c b/testsuite/libffi.call/cls_8byte.c
new file mode 100644
index 0000000..4aa99d1
--- /dev/null
+++ b/testsuite/libffi.call/cls_8byte.c
@@ -0,0 +1,88 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Check overlapping.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_8byte {
+  int a;
+  float b;
+} cls_struct_8byte;
+
+cls_struct_8byte cls_struct_8byte_fn(struct cls_struct_8byte a1,
+			    struct cls_struct_8byte a2)
+{
+  struct cls_struct_8byte result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+
+  printf("%d %g %d %g: %d %g\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b);
+
+  return  result;
+}
+
+static void
+cls_struct_8byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_8byte a1, a2;
+
+  a1 = *(struct cls_struct_8byte*)(args[0]);
+  a2 = *(struct cls_struct_8byte*)(args[1]);
+
+  *(cls_struct_8byte*)resp = cls_struct_8byte_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_8byte g_dbl = { 1, 2.0 };
+  struct cls_struct_8byte f_dbl = { 4, 5.0 };
+  struct cls_struct_8byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_sint;
+  cls_struct_fields[1] = &ffi_type_float;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_8byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 2 4 5: 5 7" } */
+  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 5 7" } */
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_8byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_8byte(*)(cls_struct_8byte, cls_struct_8byte))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n1 2 4 5: 5 7" } */
+  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 5 7" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_9byte1.c b/testsuite/libffi.call/cls_9byte1.c
new file mode 100644
index 0000000..cc5e9d6
--- /dev/null
+++ b/testsuite/libffi.call/cls_9byte1.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Darwin/AIX do double-word
+		alignment of the struct if the first element is a double.
+		Check that it does not here.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030914	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_9byte {
+  int a;
+  double b;
+} cls_struct_9byte;
+
+cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
+			    struct cls_struct_9byte b2)
+{
+  struct cls_struct_9byte result;
+
+  result.a = b1.a + b2.a;
+  result.b = b1.b + b2.b;
+
+  printf("%d %g %d %g: %d %g\n", b1.a, b1.b,  b2.a, b2.b,
+	 result.a, result.b);
+
+  return result;
+}
+
+static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
+				void** args, void* userdata __UNUSED__)
+{
+  struct cls_struct_9byte b1, b2;
+
+  b1 = *(struct cls_struct_9byte*)(args[0]);
+  b2 = *(struct cls_struct_9byte*)(args[1]);
+
+  *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_9byte h_dbl = { 7, 8.0};
+  struct cls_struct_9byte j_dbl = { 1, 9.0};
+  struct cls_struct_9byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_sint;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &h_dbl;
+  args_dbl[1] = &j_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "7 8 1 9: 8 17" } */
+  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 8 17" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_9byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(code))(h_dbl, j_dbl);
+  /* { dg-output "\n7 8 1 9: 8 17" } */
+  printf("res: %d %g\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 8 17" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_9byte2.c b/testsuite/libffi.call/cls_9byte2.c
new file mode 100644
index 0000000..5c0ba0d
--- /dev/null
+++ b/testsuite/libffi.call/cls_9byte2.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Depending on the ABI. Darwin/AIX do double-word
+		alignment of the struct if the first element is a double.
+		Check that it does here.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030914	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_9byte {
+  double a;
+  int b;
+} cls_struct_9byte;
+
+cls_struct_9byte cls_struct_9byte_fn(struct cls_struct_9byte b1,
+			    struct cls_struct_9byte b2)
+{
+  struct cls_struct_9byte result;
+
+  result.a = b1.a + b2.a;
+  result.b = b1.b + b2.b;
+
+  printf("%g %d %g %d: %g %d\n", b1.a, b1.b,  b2.a, b2.b,
+	 result.a, result.b);
+
+  return result;
+}
+
+static void cls_struct_9byte_gn(ffi_cif* cif __UNUSED__, void* resp,
+				void** args, void* userdata __UNUSED__)
+{
+  struct cls_struct_9byte b1, b2;
+
+  b1 = *(struct cls_struct_9byte*)(args[0]);
+  b2 = *(struct cls_struct_9byte*)(args[1]);
+
+  *(cls_struct_9byte*)resp = cls_struct_9byte_fn(b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_9byte h_dbl = { 7.0, 8};
+  struct cls_struct_9byte j_dbl = { 1.0, 9};
+  struct cls_struct_9byte res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_sint;
+  cls_struct_fields[2] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &h_dbl;
+  args_dbl[1] = &j_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_9byte_fn), &res_dbl, args_dbl);
+  /* { dg-output "7 8 1 9: 8 17" } */
+  printf("res: %g %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 8 17" } */
+
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_9byte_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_9byte(*)(cls_struct_9byte, cls_struct_9byte))(code))(h_dbl, j_dbl);
+  /* { dg-output "\n7 8 1 9: 8 17" } */
+  printf("res: %g %d\n", res_dbl.a, res_dbl.b);
+  /* { dg-output "\nres: 8 17" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_double.c b/testsuite/libffi.call/cls_align_double.c
new file mode 100644
index 0000000..22b94d5
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_double.c
@@ -0,0 +1,93 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  double b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %g %d %d %g %d: %d %g %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_double;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %g %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_float.c b/testsuite/libffi.call/cls_align_float.c
new file mode 100644
index 0000000..62637f2
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_float.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  float b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %g %d %d %g %d: %d %g %d\n", a1.a, (double)a1.b, a1.c, a2.a, (double)a2.b, a2.c, result.a, (double)result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_float;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_longdouble.c b/testsuite/libffi.call/cls_align_longdouble.c
new file mode 100644
index 0000000..af38060
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_longdouble.c
@@ -0,0 +1,92 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of long double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  long double b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %g %d %d %g %d: %d %g %d\n", a1.a, (double)a1.b, a1.c, a2.a, (double)a2.b, a2.c, result.a, (double)result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_longdouble;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %g %d\n", res_dbl.a, (double)res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_longdouble_split.c b/testsuite/libffi.call/cls_align_longdouble_split.c
new file mode 100644
index 0000000..4274af1
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_longdouble_split.c
@@ -0,0 +1,134 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of long double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
+/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  long double a;
+  long double b;
+  long double c;
+  long double d;
+  long double e;
+  long double f;
+  long double g;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(
+	cls_struct_align	a1,
+	cls_struct_align	a2)
+{
+	struct cls_struct_align r;
+
+	r.a = a1.a + a2.a;
+	r.b = a1.b + a2.b;
+	r.c = a1.c + a2.c;
+	r.d = a1.d + a2.d;
+	r.e = a1.e + a2.e;
+	r.f = a1.f + a2.f;
+	r.g = a1.g + a2.g;
+
+	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
+		"%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
+		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
+		a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
+		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
+
+	return r;
+}
+
+cls_struct_align cls_struct_align_fn2(
+	cls_struct_align	a1)
+{
+	struct cls_struct_align r;
+
+	r.a = a1.a + 1;
+	r.b = a1.b + 1;
+	r.c = a1.c + 1;
+	r.d = a1.d + 1;
+	r.e = a1.e + 1;
+	r.f = a1.f + 1;
+	r.g = a1.g + 1;
+
+	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
+		"%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
+		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
+		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
+
+	return r;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
+		    void* userdata __UNUSED__)
+{
+	struct cls_struct_align a1, a2;
+
+	a1 = *(struct cls_struct_align*)(args[0]);
+	a2 = *(struct cls_struct_align*)(args[1]);
+
+	*(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args_dbl[3];
+	ffi_type* cls_struct_fields[8];
+	ffi_type cls_struct_type;
+	ffi_type* dbl_arg_types[3];
+
+	cls_struct_type.size = 0;
+	cls_struct_type.alignment = 0;
+	cls_struct_type.type = FFI_TYPE_STRUCT;
+	cls_struct_type.elements = cls_struct_fields;
+
+	struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
+	struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
+	struct cls_struct_align res_dbl;
+
+	cls_struct_fields[0] = &ffi_type_longdouble;
+	cls_struct_fields[1] = &ffi_type_longdouble;
+	cls_struct_fields[2] = &ffi_type_longdouble;
+	cls_struct_fields[3] = &ffi_type_longdouble;
+	cls_struct_fields[4] = &ffi_type_longdouble;
+	cls_struct_fields[5] = &ffi_type_longdouble;
+	cls_struct_fields[6] = &ffi_type_longdouble;
+	cls_struct_fields[7] = NULL;
+
+	dbl_arg_types[0] = &cls_struct_type;
+	dbl_arg_types[1] = &cls_struct_type;
+	dbl_arg_types[2] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		dbl_arg_types) == FFI_OK);
+
+	args_dbl[0] = &g_dbl;
+	args_dbl[1] = &f_dbl;
+	args_dbl[2] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
+	printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
+	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
+	printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
+	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_longdouble_split2.c b/testsuite/libffi.call/cls_align_longdouble_split2.c
new file mode 100644
index 0000000..088f0d3
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_longdouble_split2.c
@@ -0,0 +1,117 @@
+/*	Area:			ffi_call, closure_call
+	Purpose:		Check structure alignment of long double.
+	Limitations:	none.
+	PR:				none.
+	Originator:		Blake Chaffin	6/18/2007
+*/
+
+/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+/* { dg-do run { xfail strongarm*-*-* } } */
+/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
+/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  long double a;
+  long double b;
+  long double c;
+  long double d;
+  long double e;
+  double f;
+  long double g;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(
+	cls_struct_align	a1,
+	cls_struct_align	a2)
+{
+	struct cls_struct_align r;
+
+	r.a = a1.a + a2.a;
+	r.b = a1.b + a2.b;
+	r.c = a1.c + a2.c;
+	r.d = a1.d + a2.d;
+	r.e = a1.e + a2.e;
+	r.f = a1.f + a2.f;
+	r.g = a1.g + a2.g;
+
+	printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: "
+		"%Lg %Lg %Lg %Lg %Lg %g %Lg\n",
+		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
+		a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
+		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
+
+	return r;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
+		    void* userdata __UNUSED__)
+{
+	struct cls_struct_align a1, a2;
+
+	a1 = *(struct cls_struct_align*)(args[0]);
+	a2 = *(struct cls_struct_align*)(args[1]);
+
+	*(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args_dbl[3];
+	ffi_type* cls_struct_fields[8];
+	ffi_type cls_struct_type;
+	ffi_type* dbl_arg_types[3];
+
+	cls_struct_type.size = 0;
+	cls_struct_type.alignment = 0;
+	cls_struct_type.type = FFI_TYPE_STRUCT;
+	cls_struct_type.elements = cls_struct_fields;
+
+	struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
+	struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
+	struct cls_struct_align res_dbl;
+
+	cls_struct_fields[0] = &ffi_type_longdouble;
+	cls_struct_fields[1] = &ffi_type_longdouble;
+	cls_struct_fields[2] = &ffi_type_longdouble;
+	cls_struct_fields[3] = &ffi_type_longdouble;
+	cls_struct_fields[4] = &ffi_type_longdouble;
+	cls_struct_fields[5] = &ffi_type_double;
+	cls_struct_fields[6] = &ffi_type_longdouble;
+	cls_struct_fields[7] = NULL;
+
+	dbl_arg_types[0] = &cls_struct_type;
+	dbl_arg_types[1] = &cls_struct_type;
+	dbl_arg_types[2] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		dbl_arg_types) == FFI_OK);
+
+	args_dbl[0] = &g_dbl;
+	args_dbl[1] = &f_dbl;
+	args_dbl[2] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
+	printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
+	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
+	printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
+	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
+
+  exit(0);
+}
+
+
+
diff --git a/testsuite/libffi.call/cls_align_pointer.c b/testsuite/libffi.call/cls_align_pointer.c
new file mode 100644
index 0000000..cbc4f95
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_pointer.c
@@ -0,0 +1,95 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of pointer.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  void *b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = (void *)((uintptr_t)a1.b + (uintptr_t)a2.b);
+  result.c = a1.c + a2.c;
+
+  printf("%d %" PRIuPTR " %d %d %" PRIuPTR " %d: %d %" PRIuPTR " %d\n", 
+         a1.a, (uintptr_t)a1.b, a1.c,
+	 a2.a, (uintptr_t)a2.b, a2.c,
+         result.a, (uintptr_t)result.b,
+	 result.c);
+
+  return result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, (void *)4951, 127 };
+  struct cls_struct_align f_dbl = { 1, (void *)9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_pointer;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %" PRIuPTR " %d\n", res_dbl.a, (uintptr_t)res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %" PRIuPTR " %d\n", res_dbl.a, (uintptr_t)res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_sint16.c b/testsuite/libffi.call/cls_align_sint16.c
new file mode 100644
index 0000000..383ea41
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_sint16.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of sint16.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  signed short b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_sshort;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_sint32.c b/testsuite/libffi.call/cls_align_sint32.c
new file mode 100644
index 0000000..705d78c
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_sint32.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of sint32.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  signed int b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_sint;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_sint64.c b/testsuite/libffi.call/cls_align_sint64.c
new file mode 100644
index 0000000..2b15c98
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_sint64.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of sint64.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  signed long long b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_sint64;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_uint16.c b/testsuite/libffi.call/cls_align_uint16.c
new file mode 100644
index 0000000..cb6b748
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_uint16.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of uint16.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  unsigned short b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_ushort;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_uint32.c b/testsuite/libffi.call/cls_align_uint32.c
new file mode 100644
index 0000000..e453d3e
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_uint32.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of uint32.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  unsigned int b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %d %d %d %d %d: %d %d %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uint;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %d %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_align_uint64.c b/testsuite/libffi.call/cls_align_uint64.c
new file mode 100644
index 0000000..215584f
--- /dev/null
+++ b/testsuite/libffi.call/cls_align_uint64.c
@@ -0,0 +1,92 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure alignment of uint64.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<hos@tamanegi.org> 20031203	 */
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_align {
+  unsigned char a;
+  unsigned long long b;
+  unsigned char c;
+} cls_struct_align;
+
+cls_struct_align cls_struct_align_fn(struct cls_struct_align a1,
+			    struct cls_struct_align a2)
+{
+  struct cls_struct_align result;
+
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+  printf("%d %" PRIdLL " %d %d %" PRIdLL " %d: %d %" PRIdLL " %d\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return  result;
+}
+
+static void
+cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		    void* userdata __UNUSED__)
+{
+
+  struct cls_struct_align a1, a2;
+
+  a1 = *(struct cls_struct_align*)(args[0]);
+  a2 = *(struct cls_struct_align*)(args[1]);
+
+  *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[4];
+  ffi_type cls_struct_type;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  struct cls_struct_align g_dbl = { 12, 4951, 127 };
+  struct cls_struct_align f_dbl = { 1, 9320, 13 };
+  struct cls_struct_align res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uint64;
+  cls_struct_fields[2] = &ffi_type_uchar;
+  cls_struct_fields[3] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &g_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
+  /* { dg-output "12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
+  /* { dg-output "\n12 4951 127 1 9320 13: 13 14271 140" } */
+  printf("res: %d %" PRIdLL " %d\n", res_dbl.a, res_dbl.b, res_dbl.c);
+  /* { dg-output "\nres: 13 14271 140" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_dbls_struct.c b/testsuite/libffi.call/cls_dbls_struct.c
new file mode 100644
index 0000000..660dabb
--- /dev/null
+++ b/testsuite/libffi.call/cls_dbls_struct.c
@@ -0,0 +1,66 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check double arguments in structs.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/23/2007	*/
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+
+typedef struct Dbls {
+	double x;
+	double y;
+} Dbls;
+
+void
+closure_test_fn(Dbls p)
+{
+	printf("%.1f %.1f\n", p.x, p.y);
+}
+
+void
+closure_test_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
+		void** args, void* userdata __UNUSED__)
+{
+	closure_test_fn(*(Dbls*)args[0]);
+}
+
+int main(int argc __UNUSED__, char** argv __UNUSED__)
+{
+	ffi_cif cif;
+
+        void *code;
+	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	ffi_type*		cl_arg_types[1];
+
+	ffi_type	ts1_type;
+	ffi_type*	ts1_type_elements[4];
+
+	ts1_type.size = 0;
+	ts1_type.alignment = 0;
+	ts1_type.type = FFI_TYPE_STRUCT;
+	ts1_type.elements = ts1_type_elements;
+
+	ts1_type_elements[0] = &ffi_type_double;
+	ts1_type_elements[1] = &ffi_type_double;
+	ts1_type_elements[2] = NULL;
+
+	cl_arg_types[0] = &ts1_type;
+
+	Dbls arg = { 1.0, 2.0 };
+
+	/* Initialize the cif */
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+				 &ffi_type_void, cl_arg_types) == FFI_OK);
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_gn, NULL, code) == FFI_OK);
+
+	((void*(*)(Dbls))(code))(arg);
+	/* { dg-output "1.0 2.0\n" } */
+
+	closure_test_fn(arg);
+	/* { dg-output "1.0 2.0\n" } */
+
+	return 0;
+}
diff --git a/testsuite/libffi.call/cls_double.c b/testsuite/libffi.call/cls_double.c
new file mode 100644
index 0000000..84ad4cb
--- /dev/null
+++ b/testsuite/libffi.call/cls_double.c
@@ -0,0 +1,43 @@
+/* Area:	closure_call
+   Purpose:	Check return value double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			      void* userdata __UNUSED__)
+ {
+   *(double *)resp = *(double *)args[0];
+
+   printf("%f: %f\n",*(double *)args[0],
+	  *(double *)resp);
+ }
+typedef double (*cls_ret_double)(double);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  double res;
+
+  cl_arg_types[0] = &ffi_type_double;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_double, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_double)code))(21474.789);
+  /* { dg-output "21474.789000: 21474.789000" } */
+  printf("res: %.6f\n", res);
+  /* { dg-output "\nres: 21474.789000" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_double_va.c b/testsuite/libffi.call/cls_double_va.c
new file mode 100644
index 0000000..0695874
--- /dev/null
+++ b/testsuite/libffi.call/cls_double_va.c
@@ -0,0 +1,57 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Test doubles passed in variable argument lists.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/6/2007	 */
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+/* { dg-output "" { xfail avr32*-*-* } } */
+#include "ffitest.h"
+
+static void
+cls_double_va_fn(ffi_cif* cif __UNUSED__, void* resp, 
+		 void** args, void* userdata __UNUSED__)
+{
+	char*	format		= *(char**)args[0];
+	double	doubleValue	= *(double*)args[1];
+
+	*(ffi_arg*)resp = printf(format, doubleValue);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args[3];
+	ffi_type* arg_types[3];
+
+	char*	format		= "%.1f\n";
+	double	doubleArg	= 7;
+	ffi_arg	res			= 0;
+
+	arg_types[0] = &ffi_type_pointer;
+	arg_types[1] = &ffi_type_double;
+	arg_types[2] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_sint,
+		arg_types) == FFI_OK);
+
+	args[0] = &format;
+	args[1] = &doubleArg;
+	args[2] = NULL;
+
+	ffi_call(&cif, FFI_FN(printf), &res, args);
+	// { dg-output "7.0" }
+	printf("res: %d\n", (int) res);
+	// { dg-output "\nres: 4" }
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_double_va_fn, NULL, code) == FFI_OK);
+
+	res	= ((int(*)(char*, double))(code))(format, doubleArg);
+	// { dg-output "\n7.0" }
+	printf("res: %d\n", (int) res);
+	// { dg-output "\nres: 4" }
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/cls_float.c b/testsuite/libffi.call/cls_float.c
new file mode 100644
index 0000000..0090fed
--- /dev/null
+++ b/testsuite/libffi.call/cls_float.c
@@ -0,0 +1,42 @@
+/* Area:	closure_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_float_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			     void* userdata __UNUSED__)
+ {
+   *(float *)resp = *(float *)args[0];
+
+   printf("%g: %g\n",*(float *)args[0],
+	  *(float *)resp);
+ }
+
+typedef float (*cls_ret_float)(float);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  float res;
+
+  cl_arg_types[0] = &ffi_type_float;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_float, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_float_fn, NULL, code)  == FFI_OK);
+  res = ((((cls_ret_float)code)(-2122.12)));
+  /* { dg-output "\\-2122.12: \\-2122.12" } */
+  printf("res: %.6f\n", res);
+  /* { dg-output "\nres: \-2122.120117" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_longdouble.c b/testsuite/libffi.call/cls_longdouble.c
new file mode 100644
index 0000000..fcc91d4
--- /dev/null
+++ b/testsuite/libffi.call/cls_longdouble.c
@@ -0,0 +1,105 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check long double arguments.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin	*/
+
+/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
+/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+
+#include "ffitest.h"
+
+long double cls_ldouble_fn(
+	long double	a1,
+	long double	a2,
+	long double	a3,
+	long double	a4,
+	long double	a5,
+	long double	a6,
+	long double	a7,
+	long double	a8)
+{
+	long double	r = a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8;
+
+	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: %Lg\n",
+		a1, a2, a3, a4, a5, a6, a7, a8, r);
+
+	return r;
+}
+
+static void
+cls_ldouble_gn(ffi_cif* cif __UNUSED__, void* resp, 
+	       void** args, void* userdata __UNUSED__)
+{
+	long double	a1	= *(long double*)args[0];
+	long double	a2	= *(long double*)args[1];
+	long double	a3	= *(long double*)args[2];
+	long double	a4	= *(long double*)args[3];
+	long double	a5	= *(long double*)args[4];
+	long double	a6	= *(long double*)args[5];
+	long double	a7	= *(long double*)args[6];
+	long double	a8	= *(long double*)args[7];
+
+	*(long double*)resp = cls_ldouble_fn(
+		a1, a2, a3, a4, a5, a6, a7, a8);
+}
+
+int main(void)
+{
+	ffi_cif	cif;
+        void* code;
+	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void*			args[9];
+	ffi_type*		arg_types[9];
+	long double		res	= 0;
+
+	long double	arg1	= 1;
+	long double	arg2	= 2;
+	long double	arg3	= 3;
+	long double	arg4	= 4;
+	long double	arg5	= 5;
+	long double	arg6	= 6;
+	long double	arg7	= 7;
+	long double	arg8	= 8;
+
+	arg_types[0] = &ffi_type_longdouble;
+	arg_types[1] = &ffi_type_longdouble;
+	arg_types[2] = &ffi_type_longdouble;
+	arg_types[3] = &ffi_type_longdouble;
+	arg_types[4] = &ffi_type_longdouble;
+	arg_types[5] = &ffi_type_longdouble;
+	arg_types[6] = &ffi_type_longdouble;
+	arg_types[7] = &ffi_type_longdouble;
+	arg_types[8] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 8, &ffi_type_longdouble,
+		arg_types) == FFI_OK);
+
+	args[0] = &arg1;
+	args[1] = &arg2;
+	args[2] = &arg3;
+	args[3] = &arg4;
+	args[4] = &arg5;
+	args[5] = &arg6;
+	args[6] = &arg7;
+	args[7] = &arg8;
+	args[8] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_ldouble_fn), &res, args);
+	/* { dg-output "1 2 3 4 5 6 7 8: 36" } */
+	printf("res: %Lg\n", res);
+	/* { dg-output "\nres: 36" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ldouble_gn, NULL, code) == FFI_OK);
+
+	res = ((long double(*)(long double, long double, long double, long double,
+		long double, long double, long double, long double))(code))(arg1, arg2,
+		arg3, arg4, arg5, arg6, arg7, arg8);
+	/* { dg-output "\n1 2 3 4 5 6 7 8: 36" } */
+	printf("res: %Lg\n", res);
+	/* { dg-output "\nres: 36" } */
+
+	return 0;
+}
diff --git a/testsuite/libffi.call/cls_longdouble_va.c b/testsuite/libffi.call/cls_longdouble_va.c
new file mode 100644
index 0000000..38564cb
--- /dev/null
+++ b/testsuite/libffi.call/cls_longdouble_va.c
@@ -0,0 +1,57 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Test long doubles passed in variable argument lists.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/6/2007	 */
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+/* { dg-output "" { xfail avr32*-*-* x86_64-*-mingw* } } */
+#include "ffitest.h"
+
+static void
+cls_longdouble_va_fn(ffi_cif* cif __UNUSED__, void* resp, 
+		     void** args, void* userdata __UNUSED__)
+{
+	char*		format	= *(char**)args[0];
+	long double	ldValue	= *(long double*)args[1];
+
+	*(ffi_arg*)resp = printf(format, ldValue);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args[3];
+	ffi_type* arg_types[3];
+
+	char*		format	= "%.1Lf\n";
+	long double	ldArg	= 7;
+	ffi_arg		res		= 0;
+
+	arg_types[0] = &ffi_type_pointer;
+	arg_types[1] = &ffi_type_longdouble;
+	arg_types[2] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_sint,
+		arg_types) == FFI_OK);
+
+	args[0] = &format;
+	args[1] = &ldArg;
+	args[2] = NULL;
+
+	ffi_call(&cif, FFI_FN(printf), &res, args);
+	// { dg-output "7.0" }
+	printf("res: %d\n", (int) res);
+	// { dg-output "\nres: 4" }
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_longdouble_va_fn, NULL, code) == FFI_OK);
+
+	res	= ((int(*)(char*, long double))(code))(format, ldArg);
+	// { dg-output "\n7.0" }
+	printf("res: %d\n", (int) res);
+	// { dg-output "\nres: 4" }
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/cls_multi_schar.c b/testsuite/libffi.call/cls_multi_schar.c
new file mode 100644
index 0000000..71df7b6
--- /dev/null
+++ b/testsuite/libffi.call/cls_multi_schar.c
@@ -0,0 +1,74 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check passing of multiple signed char values.
+   Limitations:	none.
+   PR:		PR13221.
+   Originator:	<hos@tamanegi.org> 20031129  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+signed char test_func_fn(signed char a1, signed char a2)
+{
+  signed char result;
+
+  result = a1 + a2;
+
+  printf("%d %d: %d\n", a1, a2, result);
+
+  return result;
+
+}
+
+static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
+			 void *data __UNUSED__)
+{
+  signed char a1, a2;
+
+  a1 = *(signed char *)avals[0];
+  a2 = *(signed char *)avals[1];
+
+  *(ffi_arg *)rval = test_func_fn(a1, a2);
+
+}
+
+typedef signed char (*test_type)(signed char, signed char);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void * args_dbl[3];
+  ffi_type * cl_arg_types[3];
+  ffi_arg res_call;
+  signed char a, b, res_closure;
+
+  a = 2;
+  b = 125;
+
+  args_dbl[0] = &a;
+  args_dbl[1] = &b;
+  args_dbl[2] = NULL;
+
+  cl_arg_types[0] = &ffi_type_schar;
+  cl_arg_types[1] = &ffi_type_schar;
+  cl_arg_types[2] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_schar, cl_arg_types) == FFI_OK);
+
+  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
+  /* { dg-output "2 125: 127" } */
+  printf("res: %d\n", (signed char)res_call);
+  /* { dg-output "\nres: 127" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
+
+  res_closure = (*((test_type)code))(2, 125);
+  /* { dg-output "\n2 125: 127" } */
+  printf("res: %d\n", res_closure);
+  /* { dg-output "\nres: 127" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_multi_sshort.c b/testsuite/libffi.call/cls_multi_sshort.c
new file mode 100644
index 0000000..4c39153
--- /dev/null
+++ b/testsuite/libffi.call/cls_multi_sshort.c
@@ -0,0 +1,74 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check passing of multiple signed short values.
+   Limitations:	none.
+   PR:		PR13221.
+   Originator:	<andreast@gcc.gnu.org> 20031129  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+signed short test_func_fn(signed short a1, signed short a2)
+{
+  signed short result;
+
+  result = a1 + a2;
+
+  printf("%d %d: %d\n", a1, a2, result);
+
+  return result;
+
+}
+
+static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
+			 void *data __UNUSED__)
+{
+  signed short a1, a2;
+
+  a1 = *(signed short *)avals[0];
+  a2 = *(signed short *)avals[1];
+
+  *(ffi_arg *)rval = test_func_fn(a1, a2);
+
+}
+
+typedef signed short (*test_type)(signed short, signed short);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void * args_dbl[3];
+  ffi_type * cl_arg_types[3];
+  ffi_arg res_call;
+  unsigned short a, b, res_closure;
+
+  a = 2;
+  b = 32765;
+
+  args_dbl[0] = &a;
+  args_dbl[1] = &b;
+  args_dbl[2] = NULL;
+
+  cl_arg_types[0] = &ffi_type_sshort;
+  cl_arg_types[1] = &ffi_type_sshort;
+  cl_arg_types[2] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_sshort, cl_arg_types) == FFI_OK);
+
+  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
+  /* { dg-output "2 32765: 32767" } */
+  printf("res: %d\n", (unsigned short)res_call);
+  /* { dg-output "\nres: 32767" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
+
+  res_closure = (*((test_type)code))(2, 32765);
+  /* { dg-output "\n2 32765: 32767" } */
+  printf("res: %d\n", res_closure);
+  /* { dg-output "\nres: 32767" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_multi_sshortchar.c b/testsuite/libffi.call/cls_multi_sshortchar.c
new file mode 100644
index 0000000..1c3aeb5
--- /dev/null
+++ b/testsuite/libffi.call/cls_multi_sshortchar.c
@@ -0,0 +1,86 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check passing of multiple signed short/char values.
+   Limitations:	none.
+   PR:		PR13221.
+   Originator:	<andreast@gcc.gnu.org> 20031129  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+signed short test_func_fn(signed char a1, signed short a2,
+			  signed char a3, signed short a4)
+{
+  signed short result;
+
+  result = a1 + a2 + a3 + a4;
+
+  printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
+
+  return result;
+
+}
+
+static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
+			 void *data __UNUSED__)
+{
+  signed char a1, a3;
+  signed short a2, a4;
+
+  a1 = *(signed char *)avals[0];
+  a2 = *(signed short *)avals[1];
+  a3 = *(signed char *)avals[2];
+  a4 = *(signed short *)avals[3];
+
+  *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
+
+}
+
+typedef signed short (*test_type)(signed char, signed short,
+				  signed char, signed short);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void * args_dbl[5];
+  ffi_type * cl_arg_types[5];
+  ffi_arg res_call;
+  signed char a, c;
+  signed short b, d, res_closure;
+
+  a = 1;
+  b = 32765;
+  c = 127;
+  d = -128;
+
+  args_dbl[0] = &a;
+  args_dbl[1] = &b;
+  args_dbl[2] = &c;
+  args_dbl[3] = &d;
+  args_dbl[4] = NULL;
+
+  cl_arg_types[0] = &ffi_type_schar;
+  cl_arg_types[1] = &ffi_type_sshort;
+  cl_arg_types[2] = &ffi_type_schar;
+  cl_arg_types[3] = &ffi_type_sshort;
+  cl_arg_types[4] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_sshort, cl_arg_types) == FFI_OK);
+
+  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
+  /* { dg-output "1 32765 127 -128: 32765" } */
+  printf("res: %d\n", (signed short)res_call);
+  /* { dg-output "\nres: 32765" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
+
+  res_closure = (*((test_type)code))(1, 32765, 127, -128);
+  /* { dg-output "\n1 32765 127 -128: 32765" } */
+  printf("res: %d\n", res_closure);
+  /* { dg-output "\nres: 32765" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_multi_uchar.c b/testsuite/libffi.call/cls_multi_uchar.c
new file mode 100644
index 0000000..009c02c
--- /dev/null
+++ b/testsuite/libffi.call/cls_multi_uchar.c
@@ -0,0 +1,91 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check passing of multiple unsigned char values.
+   Limitations:	none.
+   PR:		PR13221.
+   Originator:	<andreast@gcc.gnu.org> 20031129  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+unsigned char test_func_fn(unsigned char a1, unsigned char a2,
+			   unsigned char a3, unsigned char a4)
+{
+  unsigned char result;
+
+  result = a1 + a2 + a3 + a4;
+
+  printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
+
+  return result;
+
+}
+
+static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
+			 void *data __UNUSED__)
+{
+  unsigned char a1, a2, a3, a4;
+
+  a1 = *(unsigned char *)avals[0];
+  a2 = *(unsigned char *)avals[1];
+  a3 = *(unsigned char *)avals[2];
+  a4 = *(unsigned char *)avals[3];
+
+  *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
+
+}
+
+typedef unsigned char (*test_type)(unsigned char, unsigned char,
+				   unsigned char, unsigned char);
+
+void test_func(ffi_cif *cif __UNUSED__, void *rval __UNUSED__, void **avals,
+	       void *data __UNUSED__)
+{
+  printf("%d %d %d %d\n", *(unsigned char *)avals[0],
+	 *(unsigned char *)avals[1], *(unsigned char *)avals[2],
+	 *(unsigned char *)avals[3]);
+}
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void * args_dbl[5];
+  ffi_type * cl_arg_types[5];
+  ffi_arg res_call;
+  unsigned char a, b, c, d, res_closure;
+
+  a = 1;
+  b = 2;
+  c = 127;
+  d = 125;
+
+  args_dbl[0] = &a;
+  args_dbl[1] = &b;
+  args_dbl[2] = &c;
+  args_dbl[3] = &d;
+  args_dbl[4] = NULL;
+
+  cl_arg_types[0] = &ffi_type_uchar;
+  cl_arg_types[1] = &ffi_type_uchar;
+  cl_arg_types[2] = &ffi_type_uchar;
+  cl_arg_types[3] = &ffi_type_uchar;
+  cl_arg_types[4] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_uchar, cl_arg_types) == FFI_OK);
+
+  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
+  /* { dg-output "1 2 127 125: 255" } */
+  printf("res: %d\n", (unsigned char)res_call);
+  /* { dg-output "\nres: 255" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
+
+  res_closure = (*((test_type)code))(1, 2, 127, 125);
+  /* { dg-output "\n1 2 127 125: 255" } */
+  printf("res: %d\n", res_closure);
+  /* { dg-output "\nres: 255" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_multi_ushort.c b/testsuite/libffi.call/cls_multi_ushort.c
new file mode 100644
index 0000000..dd10ca7
--- /dev/null
+++ b/testsuite/libffi.call/cls_multi_ushort.c
@@ -0,0 +1,74 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check passing of multiple unsigned short values.
+   Limitations:	none.
+   PR:		PR13221.
+   Originator:	<andreast@gcc.gnu.org> 20031129  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+unsigned short test_func_fn(unsigned short a1, unsigned short a2)
+{
+  unsigned short result;
+
+  result = a1 + a2;
+
+  printf("%d %d: %d\n", a1, a2, result);
+
+  return result;
+
+}
+
+static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
+			 void *data __UNUSED__)
+{
+  unsigned short a1, a2;
+
+  a1 = *(unsigned short *)avals[0];
+  a2 = *(unsigned short *)avals[1];
+
+  *(ffi_arg *)rval = test_func_fn(a1, a2);
+
+}
+
+typedef unsigned short (*test_type)(unsigned short, unsigned short);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void * args_dbl[3];
+  ffi_type * cl_arg_types[3];
+  ffi_arg res_call;
+  unsigned short a, b, res_closure;
+
+  a = 2;
+  b = 32765;
+
+  args_dbl[0] = &a;
+  args_dbl[1] = &b;
+  args_dbl[2] = NULL;
+
+  cl_arg_types[0] = &ffi_type_ushort;
+  cl_arg_types[1] = &ffi_type_ushort;
+  cl_arg_types[2] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_ushort, cl_arg_types) == FFI_OK);
+
+  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
+  /* { dg-output "2 32765: 32767" } */
+  printf("res: %d\n", (unsigned short)res_call);
+  /* { dg-output "\nres: 32767" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
+
+  res_closure = (*((test_type)code))(2, 32765);
+  /* { dg-output "\n2 32765: 32767" } */
+  printf("res: %d\n", res_closure);
+  /* { dg-output "\nres: 32767" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_multi_ushortchar.c b/testsuite/libffi.call/cls_multi_ushortchar.c
new file mode 100644
index 0000000..2588e97
--- /dev/null
+++ b/testsuite/libffi.call/cls_multi_ushortchar.c
@@ -0,0 +1,86 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check passing of multiple unsigned short/char values.
+   Limitations:	none.
+   PR:		PR13221.
+   Originator:	<andreast@gcc.gnu.org> 20031129  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+unsigned short test_func_fn(unsigned char a1, unsigned short a2,
+			    unsigned char a3, unsigned short a4)
+{
+  unsigned short result;
+
+  result = a1 + a2 + a3 + a4;
+
+  printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
+
+  return result;
+
+}
+
+static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
+			 void *data __UNUSED__)
+{
+  unsigned char a1, a3;
+  unsigned short a2, a4;
+
+  a1 = *(unsigned char *)avals[0];
+  a2 = *(unsigned short *)avals[1];
+  a3 = *(unsigned char *)avals[2];
+  a4 = *(unsigned short *)avals[3];
+
+  *(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
+
+}
+
+typedef unsigned short (*test_type)(unsigned char, unsigned short,
+				   unsigned char, unsigned short);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void * args_dbl[5];
+  ffi_type * cl_arg_types[5];
+  ffi_arg res_call;
+  unsigned char a, c;
+  unsigned short b, d, res_closure;
+
+  a = 1;
+  b = 2;
+  c = 127;
+  d = 128;
+
+  args_dbl[0] = &a;
+  args_dbl[1] = &b;
+  args_dbl[2] = &c;
+  args_dbl[3] = &d;
+  args_dbl[4] = NULL;
+
+  cl_arg_types[0] = &ffi_type_uchar;
+  cl_arg_types[1] = &ffi_type_ushort;
+  cl_arg_types[2] = &ffi_type_uchar;
+  cl_arg_types[3] = &ffi_type_ushort;
+  cl_arg_types[4] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_ushort, cl_arg_types) == FFI_OK);
+
+  ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
+  /* { dg-output "1 2 127 128: 258" } */
+  printf("res: %d\n", (unsigned short)res_call);
+  /* { dg-output "\nres: 258" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code)  == FFI_OK);
+
+  res_closure = (*((test_type)code))(1, 2, 127, 128);
+  /* { dg-output "\n1 2 127 128: 258" } */
+  printf("res: %d\n", res_closure);
+  /* { dg-output "\nres: 258" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_pointer.c b/testsuite/libffi.call/cls_pointer.c
new file mode 100644
index 0000000..fadd353
--- /dev/null
+++ b/testsuite/libffi.call/cls_pointer.c
@@ -0,0 +1,74 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check pointer arguments.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/6/2007	*/
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+void* cls_pointer_fn(void* a1, void* a2)
+{
+	void*	result	= (void*)((intptr_t)a1 + (intptr_t)a2);
+
+	printf("0x%08x 0x%08x: 0x%08x\n", 
+	       (unsigned int)(uintptr_t) a1,
+               (unsigned int)(uintptr_t) a2,
+               (unsigned int)(uintptr_t) result);
+
+	return result;
+}
+
+static void
+cls_pointer_gn(ffi_cif* cif __UNUSED__, void* resp, 
+	       void** args, void* userdata __UNUSED__)
+{
+	void*	a1	= *(void**)(args[0]);
+	void*	a2	= *(void**)(args[1]);
+
+	*(void**)resp = cls_pointer_fn(a1, a2);
+}
+
+int main (void)
+{
+	ffi_cif	cif;
+        void *code;
+	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void*			args[3];
+//	ffi_type		cls_pointer_type;
+	ffi_type*		arg_types[3];
+
+/*	cls_pointer_type.size = sizeof(void*);
+	cls_pointer_type.alignment = 0;
+	cls_pointer_type.type = FFI_TYPE_POINTER;
+	cls_pointer_type.elements = NULL;*/
+
+	void*	arg1	= (void*)0x12345678;
+	void*	arg2	= (void*)0x89abcdef;
+	ffi_arg	res		= 0;
+
+	arg_types[0] = &ffi_type_pointer;
+	arg_types[1] = &ffi_type_pointer;
+	arg_types[2] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_pointer,
+		arg_types) == FFI_OK);
+
+	args[0] = &arg1;
+	args[1] = &arg2;
+	args[2] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_pointer_fn), &res, args);
+	/* { dg-output "0x12345678 0x89abcdef: 0x9be02467" } */
+	printf("res: 0x%08x\n", (unsigned int) res);
+	/* { dg-output "\nres: 0x9be02467" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_pointer_gn, NULL, code) == FFI_OK);
+
+	res = (ffi_arg)((void*(*)(void*, void*))(code))(arg1, arg2);
+	/* { dg-output "\n0x12345678 0x89abcdef: 0x9be02467" } */
+	printf("res: 0x%08x\n", (unsigned int) res);
+	/* { dg-output "\nres: 0x9be02467" } */
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/cls_pointer_stack.c b/testsuite/libffi.call/cls_pointer_stack.c
new file mode 100644
index 0000000..697f271
--- /dev/null
+++ b/testsuite/libffi.call/cls_pointer_stack.c
@@ -0,0 +1,140 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check pointer arguments across multiple hideous stack frames.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/7/2007	*/
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+#include "ffitest.h"
+
+static	long dummyVar;
+
+long dummy_func(
+	long double a1, char b1,
+	long double a2, char b2,
+	long double a3, char b3,
+	long double a4, char b4)
+{
+	return a1 + b1 + a2 + b2 + a3 + b3 + a4 + b4;
+}
+
+void* cls_pointer_fn2(void* a1, void* a2)
+{
+	long double	trample1	= (intptr_t)a1 + (intptr_t)a2;
+	char		trample2	= ((char*)&a1)[0] + ((char*)&a2)[0];
+	long double	trample3	= (intptr_t)trample1 + (intptr_t)a1;
+	char		trample4	= trample2 + ((char*)&a1)[1];
+	long double	trample5	= (intptr_t)trample3 + (intptr_t)a2;
+	char		trample6	= trample4 + ((char*)&a2)[1];
+	long double	trample7	= (intptr_t)trample5 + (intptr_t)trample1;
+	char		trample8	= trample6 + trample2;
+
+	dummyVar	= dummy_func(trample1, trample2, trample3, trample4,
+		trample5, trample6, trample7, trample8);
+
+	void*	result	= (void*)((intptr_t)a1 + (intptr_t)a2);
+
+	printf("0x%08x 0x%08x: 0x%08x\n", 
+	       (unsigned int)(uintptr_t) a1,
+               (unsigned int)(uintptr_t) a2,
+               (unsigned int)(uintptr_t) result);
+
+	return result;
+}
+
+void* cls_pointer_fn1(void* a1, void* a2)
+{
+	long double	trample1	= (intptr_t)a1 + (intptr_t)a2;
+	char		trample2	= ((char*)&a1)[0] + ((char*)&a2)[0];
+	long double	trample3	= (intptr_t)trample1 + (intptr_t)a1;
+	char		trample4	= trample2 + ((char*)&a1)[1];
+	long double	trample5	= (intptr_t)trample3 + (intptr_t)a2;
+	char		trample6	= trample4 + ((char*)&a2)[1];
+	long double	trample7	= (intptr_t)trample5 + (intptr_t)trample1;
+	char		trample8	= trample6 + trample2;
+
+	dummyVar	= dummy_func(trample1, trample2, trample3, trample4,
+		trample5, trample6, trample7, trample8);
+
+	void*	result	= (void*)((intptr_t)a1 + (intptr_t)a2);
+
+	printf("0x%08x 0x%08x: 0x%08x\n",
+               (unsigned int)(intptr_t) a1,
+               (unsigned int)(intptr_t) a2,
+               (unsigned int)(intptr_t) result);
+
+	result	= cls_pointer_fn2(result, a1);
+
+	return result;
+}
+
+static void
+cls_pointer_gn(ffi_cif* cif __UNUSED__, void* resp, 
+	       void** args, void* userdata __UNUSED__)
+{
+	void*	a1	= *(void**)(args[0]);
+	void*	a2	= *(void**)(args[1]);
+
+	long double	trample1	= (intptr_t)a1 + (intptr_t)a2;
+	char		trample2	= ((char*)&a1)[0] + ((char*)&a2)[0];
+	long double	trample3	= (intptr_t)trample1 + (intptr_t)a1;
+	char		trample4	= trample2 + ((char*)&a1)[1];
+	long double	trample5	= (intptr_t)trample3 + (intptr_t)a2;
+	char		trample6	= trample4 + ((char*)&a2)[1];
+	long double	trample7	= (intptr_t)trample5 + (intptr_t)trample1;
+	char		trample8	= trample6 + trample2;
+
+	dummyVar	= dummy_func(trample1, trample2, trample3, trample4,
+		trample5, trample6, trample7, trample8);
+
+	*(void**)resp = cls_pointer_fn1(a1, a2);
+}
+
+int main (void)
+{
+	ffi_cif	cif;
+        void *code;
+	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void*			args[3];
+//	ffi_type		cls_pointer_type;
+	ffi_type*		arg_types[3];
+
+/*	cls_pointer_type.size = sizeof(void*);
+	cls_pointer_type.alignment = 0;
+	cls_pointer_type.type = FFI_TYPE_POINTER;
+	cls_pointer_type.elements = NULL;*/
+
+	void*	arg1	= (void*)0x01234567;
+	void*	arg2	= (void*)0x89abcdef;
+	ffi_arg	res		= 0;
+
+	arg_types[0] = &ffi_type_pointer;
+	arg_types[1] = &ffi_type_pointer;
+	arg_types[2] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_pointer,
+		arg_types) == FFI_OK);
+
+	args[0] = &arg1;
+	args[1] = &arg2;
+	args[2] = NULL;
+
+	printf("\n");
+	ffi_call(&cif, FFI_FN(cls_pointer_fn1), &res, args);
+
+	printf("res: 0x%08x\n", (unsigned int) res);
+	// { dg-output "\n0x01234567 0x89abcdef: 0x8acf1356" }
+	// { dg-output "\n0x8acf1356 0x01234567: 0x8bf258bd" }
+	// { dg-output "\nres: 0x8bf258bd" }
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_pointer_gn, NULL, code) == FFI_OK);
+
+	res = (ffi_arg)((void*(*)(void*, void*))(code))(arg1, arg2);
+
+	printf("res: 0x%08x\n", (unsigned int) res);
+	// { dg-output "\n0x01234567 0x89abcdef: 0x8acf1356" }
+	// { dg-output "\n0x8acf1356 0x01234567: 0x8bf258bd" }
+	// { dg-output "\nres: 0x8bf258bd" }
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/cls_schar.c b/testsuite/libffi.call/cls_schar.c
new file mode 100644
index 0000000..82986b1
--- /dev/null
+++ b/testsuite/libffi.call/cls_schar.c
@@ -0,0 +1,44 @@
+/* Area:	closure_call
+   Purpose:	Check return value schar.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20031108	 */
+
+
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_schar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			     void* userdata __UNUSED__)
+{
+  *(ffi_arg*)resp = *(signed char *)args[0];
+  printf("%d: %d\n",*(signed char *)args[0],
+	 (int)*(ffi_arg *)(resp));
+}
+typedef signed char (*cls_ret_schar)(signed char);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  signed char res;
+
+  cl_arg_types[0] = &ffi_type_schar;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_schar, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_schar_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_schar)code))(127);
+  /* { dg-output "127: 127" } */
+  printf("res: %d\n", res);
+  /* { dg-output "\nres: 127" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_sint.c b/testsuite/libffi.call/cls_sint.c
new file mode 100644
index 0000000..c7e13b7
--- /dev/null
+++ b/testsuite/libffi.call/cls_sint.c
@@ -0,0 +1,42 @@
+/* Area:	closure_call
+   Purpose:	Check return value sint32.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20031108	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_sint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			    void* userdata __UNUSED__)
+{
+  *(ffi_arg*)resp = *(signed int *)args[0];
+  printf("%d: %d\n",*(signed int *)args[0],
+	 (int)*(ffi_arg *)(resp));
+}
+typedef signed int (*cls_ret_sint)(signed int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  signed int res;
+
+  cl_arg_types[0] = &ffi_type_sint;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_sint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_sint_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_sint)code))(65534);
+  /* { dg-output "65534: 65534" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 65534" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_sshort.c b/testsuite/libffi.call/cls_sshort.c
new file mode 100644
index 0000000..846d57e
--- /dev/null
+++ b/testsuite/libffi.call/cls_sshort.c
@@ -0,0 +1,42 @@
+/* Area:	closure_call
+   Purpose:	Check return value sshort.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20031108	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_sshort_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			      void* userdata __UNUSED__)
+{
+  *(ffi_arg*)resp = *(signed short *)args[0];
+  printf("%d: %d\n",*(signed short *)args[0],
+	 (int)*(ffi_arg *)(resp));
+}
+typedef signed short (*cls_ret_sshort)(signed short);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  signed short res;
+
+  cl_arg_types[0] = &ffi_type_sshort;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_sshort, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_sshort_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_sshort)code))(255);
+  /* { dg-output "255: 255" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 255" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_uchar.c b/testsuite/libffi.call/cls_uchar.c
new file mode 100644
index 0000000..c1317e7
--- /dev/null
+++ b/testsuite/libffi.call/cls_uchar.c
@@ -0,0 +1,42 @@
+/* Area:	closure_call
+   Purpose:	Check return value uchar.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			     void* userdata __UNUSED__)
+{
+  *(ffi_arg*)resp = *(unsigned char *)args[0];
+  printf("%d: %d\n",*(unsigned char *)args[0],
+	 (int)*(ffi_arg *)(resp));
+}
+typedef unsigned char (*cls_ret_uchar)(unsigned char);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  unsigned char res;
+
+  cl_arg_types[0] = &ffi_type_uchar;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_uchar, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uchar_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_uchar)code))(127);
+  /* { dg-output "127: 127" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 127" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_uint.c b/testsuite/libffi.call/cls_uint.c
new file mode 100644
index 0000000..885cff5
--- /dev/null
+++ b/testsuite/libffi.call/cls_uint.c
@@ -0,0 +1,43 @@
+/* Area:	closure_call
+   Purpose:	Check return value uint.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_uint_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			    void* userdata __UNUSED__)
+{
+  *(ffi_arg *)resp = *(unsigned int *)args[0];
+
+  printf("%d: %d\n",*(unsigned int *)args[0],
+	 (int)*(ffi_arg *)(resp));
+}
+typedef unsigned int (*cls_ret_uint)(unsigned int);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  unsigned int res;
+
+  cl_arg_types[0] = &ffi_type_uint;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_uint, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uint_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_uint)code))(2147483647);
+  /* { dg-output "2147483647: 2147483647" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 2147483647" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_ulonglong.c b/testsuite/libffi.call/cls_ulonglong.c
new file mode 100644
index 0000000..c3cf0d6
--- /dev/null
+++ b/testsuite/libffi.call/cls_ulonglong.c
@@ -0,0 +1,46 @@
+/* Area:	closure_call
+   Purpose:	Check return value long long.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_ulonglong_fn(ffi_cif* cif __UNUSED__, void* resp,
+				 void** args, void* userdata __UNUSED__)
+{
+  *(unsigned long long *)resp=  *(unsigned long long *)args[0];
+
+  printf("%" PRIuLL ": %" PRIuLL "\n",*(unsigned long long *)args[0],
+	 *(unsigned long long *)(resp));
+}
+typedef unsigned long long (*cls_ret_ulonglong)(unsigned long long);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  unsigned long long res;
+
+  cl_arg_types[0] = &ffi_type_uint64;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_uint64, cl_arg_types) == FFI_OK);
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_ulonglong_fn, NULL, code)  == FFI_OK);
+  res = (*((cls_ret_ulonglong)code))(214LL);
+  /* { dg-output "214: 214" } */
+  printf("res: %" PRIdLL "\n", res);
+  /* { dg-output "\nres: 214" } */
+
+  res = (*((cls_ret_ulonglong)code))(9223372035854775808LL);
+  /* { dg-output "\n9223372035854775808: 9223372035854775808" } */
+  printf("res: %" PRIdLL "\n", res);
+  /* { dg-output "\nres: 9223372035854775808" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/cls_ushort.c b/testsuite/libffi.call/cls_ushort.c
new file mode 100644
index 0000000..a00100e
--- /dev/null
+++ b/testsuite/libffi.call/cls_ushort.c
@@ -0,0 +1,43 @@
+/* Area:	closure_call
+   Purpose:	Check return value ushort.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static void cls_ret_ushort_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+			      void* userdata __UNUSED__)
+{
+  *(ffi_arg*)resp = *(unsigned short *)args[0];
+
+  printf("%d: %d\n",*(unsigned short *)args[0],
+	 (int)*(ffi_arg *)(resp));
+}
+typedef unsigned short (*cls_ret_ushort)(unsigned short);
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type * cl_arg_types[2];
+  unsigned short res;
+
+  cl_arg_types[0] = &ffi_type_ushort;
+  cl_arg_types[1] = NULL;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_ushort, cl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_ushort_fn, NULL, code)  == FFI_OK);
+
+  res = (*((cls_ret_ushort)code))(65535);
+  /* { dg-output "65535: 65535" } */
+  printf("res: %d\n",res);
+  /* { dg-output "\nres: 65535" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/err_bad_abi.c b/testsuite/libffi.call/err_bad_abi.c
new file mode 100644
index 0000000..a21a3fd
--- /dev/null
+++ b/testsuite/libffi.call/err_bad_abi.c
@@ -0,0 +1,37 @@
+/* Area:		ffi_prep_cif, ffi_prep_closure
+   Purpose:		Test error return for bad ABIs.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/6/2007	 */
+
+/* { dg-do run { xfail *-*-* } } */
+#include "ffitest.h"
+
+static void
+dummy_fn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__, 
+	 void** args __UNUSED__, void* userdata __UNUSED__)
+{}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args[1];
+	ffi_type* arg_types[1];
+
+	arg_types[0] = NULL;
+	args[0] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, 255, 0, &ffi_type_void,
+		arg_types) == FFI_BAD_ABI);
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 0, &ffi_type_void,
+		arg_types) == FFI_OK);
+
+	cif.abi= 255;
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, dummy_fn, NULL, code) == FFI_BAD_ABI);
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/err_bad_typedef.c b/testsuite/libffi.call/err_bad_typedef.c
new file mode 100644
index 0000000..bd2fc54
--- /dev/null
+++ b/testsuite/libffi.call/err_bad_typedef.c
@@ -0,0 +1,25 @@
+/* Area:		ffi_prep_cif
+   Purpose:		Test error return for bad typedefs.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin 6/6/2007	 */
+
+/* { dg-do run { xfail *-*-* } } */
+#include "ffitest.h"
+
+int main (void)
+{
+	ffi_cif cif;
+	ffi_type* arg_types[1];
+
+	arg_types[0] = NULL;
+
+	ffi_type	badType	= ffi_type_void;
+
+	badType.size = 0;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 0, &badType,
+		arg_types) == FFI_BAD_TYPEDEF);
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/ffitest.h b/testsuite/libffi.call/ffitest.h
new file mode 100644
index 0000000..7b1c5ef
--- /dev/null
+++ b/testsuite/libffi.call/ffitest.h
@@ -0,0 +1,117 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ffi.h>
+#include "fficonfig.h"
+
+#if defined HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#if defined HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
+#define MAX_ARGS 256
+
+#define CHECK(x) !(x) ? abort() : 0
+
+/* Define __UNUSED__ that also other compilers than gcc can run the tests.  */
+#undef __UNUSED__
+#if defined(__GNUC__)
+#define __UNUSED__ __attribute__((__unused__))
+#else
+#define __UNUSED__
+#endif
+
+/* Prefer MAP_ANON(YMOUS) to /dev/zero, since we don't need to keep a
+   file open.  */
+#ifdef HAVE_MMAP_ANON
+# undef HAVE_MMAP_DEV_ZERO
+
+# include <sys/mman.h>
+# ifndef MAP_FAILED
+#  define MAP_FAILED -1
+# endif
+# if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
+#  define MAP_ANONYMOUS MAP_ANON
+# endif
+# define USING_MMAP
+
+#endif
+
+#ifdef HAVE_MMAP_DEV_ZERO
+
+# include <sys/mman.h>
+# ifndef MAP_FAILED
+#  define MAP_FAILED -1
+# endif
+# define USING_MMAP
+
+#endif
+
+/* MinGW kludge.  */
+#ifdef _WIN64
+#define PRIdLL "I64d"
+#define PRIuLL "I64u"
+#else
+#define PRIdLL "lld"
+#define PRIuLL "llu"
+#endif
+
+/* PA HP-UX kludge.  */
+#if defined(__hppa__) && defined(__hpux__) && !defined(PRIuPTR)
+#define PRIuPTR "lu"
+#endif
+
+/* Solaris < 10 kludge.  */
+#if defined(__sun__) && defined(__svr4__) && !defined(PRIuPTR)
+#if defined(__arch64__) || defined (__x86_64__)
+#define PRIuPTR "lu"
+#else
+#define PRIuPTR "u"
+#endif
+#endif
+
+#ifdef USING_MMAP
+static inline void *
+allocate_mmap (size_t size)
+{
+  void *page;
+#if defined (HAVE_MMAP_DEV_ZERO)
+  static int dev_zero_fd = -1;
+#endif
+
+#ifdef HAVE_MMAP_DEV_ZERO
+  if (dev_zero_fd == -1)
+    {
+      dev_zero_fd = open ("/dev/zero", O_RDONLY);
+      if (dev_zero_fd == -1)
+	{
+	  perror ("open /dev/zero: %m");
+	  exit (1);
+	}
+    }
+#endif
+
+
+#ifdef HAVE_MMAP_ANON
+  page = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+	       MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#endif
+#ifdef HAVE_MMAP_DEV_ZERO
+  page = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+	       MAP_PRIVATE, dev_zero_fd, 0);
+#endif
+
+  if (page == (void *) MAP_FAILED)
+    {
+      perror ("virtual memory exhausted");
+      exit (1);
+    }
+
+  return page;
+}
+
+#endif
diff --git a/testsuite/libffi.call/float.c b/testsuite/libffi.call/float.c
new file mode 100644
index 0000000..fbc272d
--- /dev/null
+++ b/testsuite/libffi.call/float.c
@@ -0,0 +1,59 @@
+/* Area:	ffi_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+
+static int floating(int a, float b, double c, long double d)
+{
+  int i;
+
+  i = (int) ((float)a/b + ((float)c/(float)d));
+
+  return i;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+
+  float f;
+  signed int si1;
+  double d;
+  long double ld;
+
+  args[0] = &ffi_type_sint;
+  values[0] = &si1;
+  args[1] = &ffi_type_float;
+  values[1] = &f;
+  args[2] = &ffi_type_double;
+  values[2] = &d;
+  args[3] = &ffi_type_longdouble;
+  values[3] = &ld;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_sint, args) == FFI_OK);
+
+  si1 = 6;
+  f = 3.14159;
+  d = (double)1.0/(double)3.0;
+  ld = 2.71828182846L;
+
+  floating (si1, f, d, ld);
+
+  ffi_call(&cif, FFI_FN(floating), &rint, values);
+
+  printf ("%d vs %d\n", (int)rint, floating (si1, f, d, ld));
+
+  CHECK((int)rint == floating(si1, f, d, ld));
+
+  exit (0);
+}
diff --git a/testsuite/libffi.call/float1.c b/testsuite/libffi.call/float1.c
new file mode 100644
index 0000000..991d059
--- /dev/null
+++ b/testsuite/libffi.call/float1.c
@@ -0,0 +1,58 @@
+/* Area:	ffi_call
+   Purpose:	Check return value double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+#include "float.h"
+
+typedef union
+{
+  double d;
+  unsigned char c[sizeof (double)];
+} value_type;
+
+#define CANARY 0xba
+
+static double dblit(float f)
+{
+  return f/3.0;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float f;
+  value_type result[2];
+  unsigned int i;
+
+  args[0] = &ffi_type_float;
+  values[0] = &f;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_double, args) == FFI_OK);
+
+  f = 3.14159;
+
+  /* Put a canary in the return array.  This is a regression test for
+     a buffer overrun.  */
+  memset(result[1].c, CANARY, sizeof (double));
+
+  ffi_call(&cif, FFI_FN(dblit), &result[0].d, values);
+
+  /* These are not always the same!! Check for a reasonable delta */
+
+  CHECK(result[0].d - dblit(f) < DBL_EPSILON);
+
+  /* Check the canary.  */
+  for (i = 0; i < sizeof (double); ++i)
+    CHECK(result[1].c[i] == CANARY);
+
+  exit(0);
+
+}
diff --git a/testsuite/libffi.call/float2.c b/testsuite/libffi.call/float2.c
new file mode 100644
index 0000000..a0b296c
--- /dev/null
+++ b/testsuite/libffi.call/float2.c
@@ -0,0 +1,58 @@
+/* Area:	ffi_call
+   Purpose:	Check return value long double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-excess-errors "fails" { target x86_64-*-mingw* x86_64-*-cygwin* } } */
+/* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+
+#include "ffitest.h"
+#include "float.h"
+
+static long double ldblit(float f)
+{
+  return (long double) (((long double) f)/ (long double) 3.0);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float f;
+  long double ld;
+
+  args[0] = &ffi_type_float;
+  values[0] = &f;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_longdouble, args) == FFI_OK);
+
+  f = 3.14159;
+
+#if 1
+  /* This is ifdef'd out for now. long double support under SunOS/gcc
+     is pretty much non-existent.  You'll get the odd bus error in library
+     routines like printf().  */
+  printf ("%Lf\n", ldblit(f));
+#endif
+  ld = 666;
+  ffi_call(&cif, FFI_FN(ldblit), &ld, values);
+
+#if 1
+  /* This is ifdef'd out for now. long double support under SunOS/gcc
+     is pretty much non-existent.  You'll get the odd bus error in library
+     routines like printf().  */
+  printf ("%Lf, %Lf, %Lf, %Lf\n", ld, ldblit(f), ld - ldblit(f), LDBL_EPSILON);
+#endif
+
+  /* These are not always the same!! Check for a reasonable delta */
+  if (ld - ldblit(f) < LDBL_EPSILON)
+    puts("long double return value tests ok!");
+  else
+    CHECK(0);
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/float3.c b/testsuite/libffi.call/float3.c
new file mode 100644
index 0000000..76bd5f2
--- /dev/null
+++ b/testsuite/libffi.call/float3.c
@@ -0,0 +1,72 @@
+/* Area:	ffi_call
+   Purpose:	Check float arguments with different orders.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+#include "float.h"
+
+static double floating_1(float a, double b, long double c)
+{
+  return (double) a + b + (double) c;
+}
+
+static double floating_2(long double a, double b, float c)
+{
+  return (double) a + b + (double) c;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  double rd;
+
+  float f;
+  double d;
+  long double ld;
+
+  args[0] = &ffi_type_float;
+  values[0] = &f;
+  args[1] = &ffi_type_double;
+  values[1] = &d;
+  args[2] = &ffi_type_longdouble;
+  values[2] = &ld;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
+		     &ffi_type_double, args) == FFI_OK);
+
+  f = 3.14159;
+  d = (double)1.0/(double)3.0;
+  ld = 2.71828182846L;
+
+  floating_1 (f, d, ld);
+
+  ffi_call(&cif, FFI_FN(floating_1), &rd, values);
+
+  CHECK(rd - floating_1(f, d, ld) < DBL_EPSILON);
+
+  args[0] = &ffi_type_longdouble;
+  values[0] = &ld;
+  args[1] = &ffi_type_double;
+  values[1] = &d;
+  args[2] = &ffi_type_float;
+  values[2] = &f;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
+		     &ffi_type_double, args) == FFI_OK);
+
+  floating_2 (ld, d, f);
+
+  ffi_call(&cif, FFI_FN(floating_2), &rd, values);
+
+  CHECK(rd - floating_2(ld, d, f) < DBL_EPSILON);
+
+  exit (0);
+}
diff --git a/testsuite/libffi.call/float4.c b/testsuite/libffi.call/float4.c
new file mode 100644
index 0000000..0dd6d85
--- /dev/null
+++ b/testsuite/libffi.call/float4.c
@@ -0,0 +1,62 @@
+/* Area:	ffi_call
+   Purpose:	Check denorm double value.
+   Limitations:	none.
+   PR:		PR26483.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+/* { dg-options "-mieee" { target alpha*-*-* } } */
+
+#include "ffitest.h"
+#include "float.h"
+
+typedef union
+{
+  double d;
+  unsigned char c[sizeof (double)];
+} value_type;
+
+#define CANARY 0xba
+
+static double dblit(double d)
+{
+  return d;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  double d;
+  value_type result[2];
+  unsigned int i;
+
+  args[0] = &ffi_type_double;
+  values[0] = &d;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_double, args) == FFI_OK);
+  
+  d = DBL_MIN / 2;
+  
+  /* Put a canary in the return array.  This is a regression test for
+     a buffer overrun.  */
+  memset(result[1].c, CANARY, sizeof (double));
+
+  ffi_call(&cif, FFI_FN(dblit), &result[0].d, values);
+  
+  /* The standard delta check doesn't work for denorms.  Since we didn't do
+     any arithmetic, we should get the original result back, and hence an
+     exact check should be OK here.  */
+ 
+  CHECK(result[0].d == dblit(d));
+
+  /* Check the canary.  */
+  for (i = 0; i < sizeof (double); ++i)
+    CHECK(result[1].c[i] == CANARY);
+
+  exit(0);
+
+}
diff --git a/testsuite/libffi.call/huge_struct.c b/testsuite/libffi.call/huge_struct.c
new file mode 100644
index 0000000..9cffb71
--- /dev/null
+++ b/testsuite/libffi.call/huge_struct.c
@@ -0,0 +1,342 @@
+/*	Area:			ffi_call, closure_call
+	Purpose:		Check large structure returns.
+	Limitations:	none.
+	PR:				none.
+	Originator:		Blake Chaffin	6/18/2007
+*/
+
+/* { dg-excess-errors "" { target x86_64-*-mingw* x86_64-*-cygwin* } } */
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
+/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
+/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+
+#include "ffitest.h"
+
+typedef	struct BigStruct{
+	uint8_t		a;
+	int8_t		b;
+	uint16_t	c;
+	int16_t		d;
+	uint32_t	e;
+	int32_t		f;
+	uint64_t	g;
+	int64_t		h;
+	float		i;
+	double		j;
+	long double	k;
+	char*		l;
+	uint8_t		m;
+	int8_t		n;
+	uint16_t	o;
+	int16_t		p;
+	uint32_t	q;
+	int32_t		r;
+	uint64_t	s;
+	int64_t		t;
+	float		u;
+	double		v;
+	long double	w;
+	char*		x;
+	uint8_t		y;
+	int8_t		z;
+	uint16_t	aa;
+	int16_t		bb;
+	uint32_t	cc;
+	int32_t		dd;
+	uint64_t	ee;
+	int64_t		ff;
+	float		gg;
+	double		hh;
+	long double	ii;
+	char*		jj;
+	uint8_t		kk;
+	int8_t		ll;
+	uint16_t	mm;
+	int16_t		nn;
+	uint32_t	oo;
+	int32_t		pp;
+	uint64_t	qq;
+	int64_t		rr;
+	float		ss;
+	double		tt;
+	long double	uu;
+	char*		vv;
+	uint8_t		ww;
+	int8_t		xx;
+} BigStruct;
+
+BigStruct
+test_large_fn(
+	uint8_t		ui8_1,
+	int8_t		si8_1,
+	uint16_t	ui16_1,
+	int16_t		si16_1,
+	uint32_t	ui32_1,
+	int32_t		si32_1,
+	uint64_t	ui64_1,
+	int64_t		si64_1,
+	float		f_1,
+	double		d_1,
+	long double	ld_1,
+	char*		p_1,
+	uint8_t		ui8_2,
+	int8_t		si8_2,
+	uint16_t	ui16_2,
+	int16_t		si16_2,
+	uint32_t	ui32_2,
+	int32_t		si32_2,
+	uint64_t	ui64_2,
+	int64_t		si64_2,
+	float		f_2,
+	double		d_2,
+	long double	ld_2,
+	char*		p_2,
+	uint8_t		ui8_3,
+	int8_t		si8_3,
+	uint16_t	ui16_3,
+	int16_t		si16_3,
+	uint32_t	ui32_3,
+	int32_t		si32_3,
+	uint64_t	ui64_3,
+	int64_t		si64_3,
+	float		f_3,
+	double		d_3,
+	long double	ld_3,
+	char*		p_3,
+	uint8_t		ui8_4,
+	int8_t		si8_4,
+	uint16_t	ui16_4,
+	int16_t		si16_4,
+	uint32_t	ui32_4,
+	int32_t		si32_4,
+	uint64_t	ui64_4,
+	int64_t		si64_4,
+	float		f_4,
+	double		d_4,
+	long double	ld_4,
+	char*		p_4,
+	uint8_t		ui8_5,
+	int8_t		si8_5)
+{
+	BigStruct	retVal	= {
+		ui8_1 + 1, si8_1 + 1, ui16_1 + 1, si16_1 + 1, ui32_1 + 1, si32_1 + 1,
+			ui64_1 + 1, si64_1 + 1, f_1 + 1, d_1 + 1, ld_1 + 1, (char*)((intptr_t)p_1 + 1), 
+		ui8_2 + 2, si8_2 + 2, ui16_2 + 2, si16_2 + 2, ui32_2 + 2, si32_2 + 2,
+			ui64_2 + 2, si64_2 + 2, f_2 + 2, d_2 + 2, ld_2 + 2, (char*)((intptr_t)p_2 + 2), 
+		ui8_3 + 3, si8_3 + 3, ui16_3 + 3, si16_3 + 3, ui32_3 + 3, si32_3 + 3,
+			ui64_3 + 3, si64_3 + 3, f_3 + 3, d_3 + 3, ld_3 + 3, (char*)((intptr_t)p_3 + 3), 
+		ui8_4 + 4, si8_4 + 4, ui16_4 + 4, si16_4 + 4, ui32_4 + 4, si32_4 + 4,
+			ui64_4 + 4, si64_4 + 4, f_4 + 4, d_4 + 4, ld_4 + 4, (char*)((intptr_t)p_4 + 4), 
+		ui8_5 + 5, si8_5 + 5};
+
+	printf("%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %hhu %hhd: "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %hhu %hhd\n",
+	       ui8_1, si8_1, ui16_1, si16_1, ui32_1, si32_1, ui64_1, si64_1, f_1, d_1, ld_1, (unsigned long)p_1,
+		ui8_2, si8_2, ui16_2, si16_2, ui32_2, si32_2, ui64_2, si64_2, f_2, d_2, ld_2, (unsigned long)p_2,
+		ui8_3, si8_3, ui16_3, si16_3, ui32_3, si32_3, ui64_3, si64_3, f_3, d_3, ld_3, (unsigned long)p_3,
+		ui8_4, si8_4, ui16_4, si16_4, ui32_4, si32_4, ui64_4, si64_4, f_4, d_4, ld_4, (unsigned long)p_4, ui8_5, si8_5,
+		retVal.a, retVal.b, retVal.c, retVal.d, retVal.e, retVal.f,
+	       retVal.g, retVal.h, retVal.i, retVal.j, retVal.k, (unsigned long)retVal.l,
+		retVal.m, retVal.n, retVal.o, retVal.p, retVal.q, retVal.r,
+	       retVal.s, retVal.t, retVal.u, retVal.v, retVal.w, (unsigned long)retVal.x,
+		retVal.y, retVal.z, retVal.aa, retVal.bb, retVal.cc, retVal.dd,
+	       retVal.ee, retVal.ff, retVal.gg, retVal.hh, retVal.ii, (unsigned long)retVal.jj,
+		retVal.kk, retVal.ll, retVal.mm, retVal.nn, retVal.oo, retVal.pp,
+	       retVal.qq, retVal.rr, retVal.ss, retVal.tt, retVal.uu, (unsigned long)retVal.vv, retVal.ww, retVal.xx);
+
+	return	retVal;
+}
+
+static void
+cls_large_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
+{
+	uint8_t		ui8_1	= *(uint8_t*)args[0];
+	int8_t		si8_1	= *(int8_t*)args[1];
+	uint16_t	ui16_1	= *(uint16_t*)args[2];
+	int16_t		si16_1	= *(int16_t*)args[3];
+	uint32_t	ui32_1	= *(uint32_t*)args[4];
+	int32_t		si32_1	= *(int32_t*)args[5];
+	uint64_t	ui64_1	= *(uint64_t*)args[6];
+	int64_t		si64_1	= *(int64_t*)args[7];
+	float		f_1		= *(float*)args[8];
+	double		d_1		= *(double*)args[9];
+	long double	ld_1	= *(long double*)args[10];
+	char*		p_1		= *(char**)args[11];
+	uint8_t		ui8_2	= *(uint8_t*)args[12];
+	int8_t		si8_2	= *(int8_t*)args[13];
+	uint16_t	ui16_2	= *(uint16_t*)args[14];
+	int16_t		si16_2	= *(int16_t*)args[15];
+	uint32_t	ui32_2	= *(uint32_t*)args[16];
+	int32_t		si32_2	= *(int32_t*)args[17];
+	uint64_t	ui64_2	= *(uint64_t*)args[18];
+	int64_t		si64_2	= *(int64_t*)args[19];
+	float		f_2		= *(float*)args[20];
+	double		d_2		= *(double*)args[21];
+	long double	ld_2	= *(long double*)args[22];
+	char*		p_2		= *(char**)args[23];
+	uint8_t		ui8_3	= *(uint8_t*)args[24];
+	int8_t		si8_3	= *(int8_t*)args[25];
+	uint16_t	ui16_3	= *(uint16_t*)args[26];
+	int16_t		si16_3	= *(int16_t*)args[27];
+	uint32_t	ui32_3	= *(uint32_t*)args[28];
+	int32_t		si32_3	= *(int32_t*)args[29];
+	uint64_t	ui64_3	= *(uint64_t*)args[30];
+	int64_t		si64_3	= *(int64_t*)args[31];
+	float		f_3		= *(float*)args[32];
+	double		d_3		= *(double*)args[33];
+	long double	ld_3	= *(long double*)args[34];
+	char*		p_3		= *(char**)args[35];
+	uint8_t		ui8_4	= *(uint8_t*)args[36];
+	int8_t		si8_4	= *(int8_t*)args[37];
+	uint16_t	ui16_4	= *(uint16_t*)args[38];
+	int16_t		si16_4	= *(int16_t*)args[39];
+	uint32_t	ui32_4	= *(uint32_t*)args[40];
+	int32_t		si32_4	= *(int32_t*)args[41];
+	uint64_t	ui64_4	= *(uint64_t*)args[42];
+	int64_t		si64_4	= *(int64_t*)args[43];
+	float		f_4		= *(float*)args[44];
+	double		d_4		= *(double*)args[45];
+	long double	ld_4	= *(long double*)args[46];
+	char*		p_4		= *(char**)args[47];
+	uint8_t		ui8_5	= *(uint8_t*)args[48];
+	int8_t		si8_5	= *(int8_t*)args[49];
+
+	*(BigStruct*)resp = test_large_fn(
+		ui8_1, si8_1, ui16_1, si16_1, ui32_1, si32_1, ui64_1, si64_1, f_1, d_1, ld_1, p_1,
+		ui8_2, si8_2, ui16_2, si16_2, ui32_2, si32_2, ui64_2, si64_2, f_2, d_2, ld_2, p_2,
+		ui8_3, si8_3, ui16_3, si16_3, ui32_3, si32_3, ui64_3, si64_3, f_3, d_3, ld_3, p_3,
+		ui8_4, si8_4, ui16_4, si16_4, ui32_4, si32_4, ui64_4, si64_4, f_4, d_4, ld_4, p_4,
+		ui8_5, si8_5);
+}
+
+int
+main(int argc __UNUSED__, const char** argv __UNUSED__)
+{
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+
+	ffi_cif		cif;
+	ffi_type*	argTypes[51];
+	void*		argValues[51];
+
+	ffi_type	ret_struct_type;
+	ffi_type*	st_fields[51];
+	BigStruct	retVal;
+
+	memset (&retVal, 0, sizeof(retVal));
+
+	ret_struct_type.size = 0;
+	ret_struct_type.alignment = 0;
+	ret_struct_type.type = FFI_TYPE_STRUCT;
+	ret_struct_type.elements = st_fields;
+
+	st_fields[0]	= st_fields[12]	= st_fields[24]	= st_fields[36]	= st_fields[48]	= &ffi_type_uint8;
+	st_fields[1]	= st_fields[13]	= st_fields[25]	= st_fields[37]	= st_fields[49]	= &ffi_type_sint8;
+	st_fields[2]	= st_fields[14]	= st_fields[26]	= st_fields[38]	= &ffi_type_uint16;
+	st_fields[3]	= st_fields[15]	= st_fields[27]	= st_fields[39]	= &ffi_type_sint16;
+	st_fields[4]	= st_fields[16]	= st_fields[28]	= st_fields[40]	= &ffi_type_uint32;
+	st_fields[5]	= st_fields[17]	= st_fields[29]	= st_fields[41]	= &ffi_type_sint32;
+	st_fields[6]	= st_fields[18]	= st_fields[30]	= st_fields[42]	= &ffi_type_uint64;
+	st_fields[7]	= st_fields[19]	= st_fields[31]	= st_fields[43]	= &ffi_type_sint64;
+	st_fields[8]	= st_fields[20]	= st_fields[32]	= st_fields[44]	= &ffi_type_float;
+	st_fields[9]	= st_fields[21]	= st_fields[33]	= st_fields[45]	= &ffi_type_double;
+	st_fields[10]	= st_fields[22]	= st_fields[34]	= st_fields[46]	= &ffi_type_longdouble;
+	st_fields[11]	= st_fields[23]	= st_fields[35]	= st_fields[47]	= &ffi_type_pointer;
+
+	st_fields[50] = NULL;
+
+	uint8_t		ui8		= 1;
+	int8_t		si8		= 2;
+	uint16_t	ui16	= 3;
+	int16_t		si16	= 4;
+	uint32_t	ui32	= 5;
+	int32_t		si32	= 6;
+	uint64_t	ui64	= 7;
+	int64_t		si64	= 8;
+	float		f		= 9;
+	double		d		= 10;
+	long double	ld		= 11;
+	char*		p		= (char*)0x12345678;
+
+	argTypes[0]		= argTypes[12]	= argTypes[24]	= argTypes[36]	= argTypes[48]	= &ffi_type_uint8;
+	argValues[0]	= argValues[12]	= argValues[24]	= argValues[36]	= argValues[48]	= &ui8;
+	argTypes[1]		= argTypes[13]	= argTypes[25]	= argTypes[37]	= argTypes[49]	= &ffi_type_sint8;
+	argValues[1]	= argValues[13]	= argValues[25]	= argValues[37]	= argValues[49]	= &si8;
+	argTypes[2]		= argTypes[14]	= argTypes[26]	= argTypes[38]	= &ffi_type_uint16;
+	argValues[2]	= argValues[14]	= argValues[26]	= argValues[38]	= &ui16;
+	argTypes[3]		= argTypes[15]	= argTypes[27]	= argTypes[39]	= &ffi_type_sint16;
+	argValues[3]	= argValues[15]	= argValues[27]	= argValues[39]	= &si16;
+	argTypes[4]		= argTypes[16]	= argTypes[28]	= argTypes[40]	= &ffi_type_uint32;
+	argValues[4]	= argValues[16]	= argValues[28]	= argValues[40]	= &ui32;
+	argTypes[5]		= argTypes[17]	= argTypes[29]	= argTypes[41]	= &ffi_type_sint32;
+	argValues[5]	= argValues[17]	= argValues[29]	= argValues[41]	= &si32;
+	argTypes[6]		= argTypes[18]	= argTypes[30]	= argTypes[42]	= &ffi_type_uint64;
+	argValues[6]	= argValues[18]	= argValues[30]	= argValues[42]	= &ui64;
+	argTypes[7]		= argTypes[19]	= argTypes[31]	= argTypes[43]	= &ffi_type_sint64;
+	argValues[7]	= argValues[19]	= argValues[31]	= argValues[43]	= &si64;
+	argTypes[8]		= argTypes[20]	= argTypes[32]	= argTypes[44]	= &ffi_type_float;
+	argValues[8]	= argValues[20]	= argValues[32]	= argValues[44]	= &f;
+	argTypes[9]		= argTypes[21]	= argTypes[33]	= argTypes[45]	= &ffi_type_double;
+	argValues[9]	= argValues[21]	= argValues[33]	= argValues[45]	= &d;
+	argTypes[10]	= argTypes[22]	= argTypes[34]	= argTypes[46]	= &ffi_type_longdouble;
+	argValues[10]	= argValues[22]	= argValues[34]	= argValues[46]	= &ld;
+	argTypes[11]	= argTypes[23]	= argTypes[35]	= argTypes[47]	= &ffi_type_pointer;
+	argValues[11]	= argValues[23]	= argValues[35]	= argValues[47]	= &p;
+
+	argTypes[50]	= NULL;
+	argValues[50]	= NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 50, &ret_struct_type, argTypes) == FFI_OK);
+
+	ffi_call(&cif, FFI_FN(test_large_fn), &retVal, argValues);
+	// { dg-output "1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" }
+	printf("res: %hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %hhu %hhd\n",
+		retVal.a, retVal.b, retVal.c, retVal.d, retVal.e, retVal.f,
+	       retVal.g, retVal.h, retVal.i, retVal.j, retVal.k, (unsigned long)retVal.l,
+		retVal.m, retVal.n, retVal.o, retVal.p, retVal.q, retVal.r,
+	       retVal.s, retVal.t, retVal.u, retVal.v, retVal.w, (unsigned long)retVal.x,
+		retVal.y, retVal.z, retVal.aa, retVal.bb, retVal.cc, retVal.dd,
+	       retVal.ee, retVal.ff, retVal.gg, retVal.hh, retVal.ii, (unsigned long)retVal.jj,
+		retVal.kk, retVal.ll, retVal.mm, retVal.nn, retVal.oo, retVal.pp,
+	       retVal.qq, retVal.rr, retVal.ss, retVal.tt, retVal.uu, (unsigned long)retVal.vv, retVal.ww, retVal.xx);
+	// { dg-output "\nres: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" }
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_large_fn, NULL, code) == FFI_OK);
+
+	retVal	= ((BigStruct(*)(
+		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
+		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
+		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
+		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
+		uint8_t, int8_t))(code))(
+		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
+		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
+		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
+		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
+		ui8, si8);
+	// { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" }
+	printf("res: %hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
+		"%hhu %hhd %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %hhu %hhd\n",
+		retVal.a, retVal.b, retVal.c, retVal.d, retVal.e, retVal.f,
+	       retVal.g, retVal.h, retVal.i, retVal.j, retVal.k, (unsigned long)retVal.l,
+		retVal.m, retVal.n, retVal.o, retVal.p, retVal.q, retVal.r,
+	       retVal.s, retVal.t, retVal.u, retVal.v, retVal.w, (unsigned long)retVal.x,
+		retVal.y, retVal.z, retVal.aa, retVal.bb, retVal.cc, retVal.dd,
+	       retVal.ee, retVal.ff, retVal.gg, retVal.hh, retVal.ii, (unsigned long)retVal.jj,
+		retVal.kk, retVal.ll, retVal.mm, retVal.nn, retVal.oo, retVal.pp,
+	       retVal.qq, retVal.rr, retVal.ss, retVal.tt, retVal.uu, (unsigned long)retVal.vv, retVal.ww, retVal.xx);
+	// { dg-output "\nres: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" }
+
+    return 0;
+}
diff --git a/testsuite/libffi.call/many.c b/testsuite/libffi.call/many.c
new file mode 100644
index 0000000..4869ba9
--- /dev/null
+++ b/testsuite/libffi.call/many.c
@@ -0,0 +1,69 @@
+/* Area:	ffi_call
+   Purpose:	Check return value float, with many arguments
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+#include <float.h>
+
+static float many(float f1,
+		  float f2,
+		  float f3,
+		  float f4,
+		  float f5,
+		  float f6,
+		  float f7,
+		  float f8,
+		  float f9,
+		  float f10,
+		  float f11,
+		  float f12,
+		  float f13)
+{
+#if 0
+  printf("%f %f %f %f %f %f %f %f %f %f %f %f %f\n",
+	 (double) f1, (double) f2, (double) f3, (double) f4, (double) f5, 
+	 (double) f6, (double) f7, (double) f8, (double) f9, (double) f10,
+	 (double) f11, (double) f12, (double) f13);
+#endif
+
+  return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[13];
+  void *values[13];
+  float fa[13];
+  float f, ff;
+  int i;
+
+  for (i = 0; i < 13; i++)
+    {
+      args[i] = &ffi_type_float;
+      values[i] = &fa[i];
+      fa[i] = (float) i;
+    }
+
+    /* Initialize the cif */
+    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13, 
+		       &ffi_type_float, args) == FFI_OK);
+
+    ffi_call(&cif, FFI_FN(many), &f, values);
+
+    ff =  many(fa[0], fa[1],
+	       fa[2], fa[3],
+	       fa[4], fa[5],
+	       fa[6], fa[7],
+	       fa[8], fa[9],
+	       fa[10],fa[11],fa[12]);
+
+    if (f - ff < FLT_EPSILON)
+      exit(0);
+    else
+      abort();
+}
diff --git a/testsuite/libffi.call/many_win32.c b/testsuite/libffi.call/many_win32.c
new file mode 100644
index 0000000..1b26332
--- /dev/null
+++ b/testsuite/libffi.call/many_win32.c
@@ -0,0 +1,63 @@
+/* Area:	ffi_call
+   Purpose:	Check stdcall many call on X86_WIN32 systems.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
+
+#include "ffitest.h"
+#include <float.h>
+
+static float __attribute__((stdcall)) stdcall_many(float f1,
+						   float f2,
+						   float f3,
+						   float f4,
+						   float f5,
+						   float f6,
+						   float f7,
+						   float f8,
+						   float f9,
+						   float f10,
+						   float f11,
+						   float f12,
+						   float f13)
+{
+  return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[13];
+  void *values[13];
+  float fa[13];
+  float f, ff;
+  unsigned long ul;
+
+  for (ul = 0; ul < 13; ul++)
+    {
+      args[ul] = &ffi_type_float;
+      values[ul] = &fa[ul];
+	fa[ul] = (float) ul;
+    }
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_STDCALL, 13,
+		     &ffi_type_float, args) == FFI_OK);
+
+  ff =  stdcall_many(fa[0], fa[1],
+		     fa[2], fa[3],
+		     fa[4], fa[5],
+		     fa[6], fa[7],
+		     fa[8], fa[9],
+		     fa[10], fa[11], fa[12]);
+
+  ffi_call(&cif, FFI_FN(stdcall_many), &f, values);
+
+  if (f - ff < FLT_EPSILON)
+    printf("stdcall many arg tests ok!\n");
+  else
+    CHECK(0);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/negint.c b/testsuite/libffi.call/negint.c
new file mode 100644
index 0000000..3168113
--- /dev/null
+++ b/testsuite/libffi.call/negint.c
@@ -0,0 +1,53 @@
+/* Area:	ffi_call
+   Purpose:	Check that negative integers are passed correctly.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+/* { dg-options -O2 } */
+
+#include "ffitest.h"
+
+static int checking(int a, short b, signed char c)
+{
+
+  return (a < 0 && b < 0 && c < 0);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+
+  signed int si;
+  signed short ss;
+  signed char sc;
+
+  args[0] = &ffi_type_sint;
+  values[0] = &si;
+  args[1] = &ffi_type_sshort;
+  values[1] = &ss;
+  args[2] = &ffi_type_schar;
+  values[2] = &sc;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
+		     &ffi_type_sint, args) == FFI_OK);
+
+  si = -6;
+  ss = -12;
+  sc = -1;
+
+  checking (si, ss, sc);
+
+  ffi_call(&cif, FFI_FN(checking), &rint, values);
+
+  printf ("%d vs %d\n", (int)rint, checking (si, ss, sc));
+
+  CHECK(rint != 0);
+
+  exit (0);
+}
diff --git a/testsuite/libffi.call/nested_struct.c b/testsuite/libffi.call/nested_struct.c
new file mode 100644
index 0000000..8aa527e
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct.c
@@ -0,0 +1,152 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_16byte1 {
+  double a;
+  float b;
+  int c;
+} cls_struct_16byte1;
+
+typedef struct cls_struct_16byte2 {
+  int ii;
+  double dd;
+  float ff;
+} cls_struct_16byte2;
+
+typedef struct cls_struct_combined {
+  cls_struct_16byte1 d;
+  cls_struct_16byte2 e;
+} cls_struct_combined;
+
+cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
+			    struct cls_struct_16byte2 b1,
+			    struct cls_struct_combined b2)
+{
+  struct cls_struct_combined result;
+
+  result.d.a = b0.a + b1.dd + b2.d.a;
+  result.d.b = b0.b + b1.ff + b2.d.b;
+  result.d.c = b0.c + b1.ii + b2.d.c;
+  result.e.ii = b0.c + b1.ii + b2.e.ii;
+  result.e.dd = b0.a + b1.dd + b2.e.dd;
+  result.e.ff = b0.b + b1.ff + b2.e.ff;
+
+  printf("%g %g %d %d %g %g %g %g %d %d %g %g: %g %g %d %d %g %g\n",
+	 b0.a, b0.b, b0.c,
+	 b1.ii, b1.dd, b1.ff,
+	 b2.d.a, b2.d.b, b2.d.c,
+	 b2.e.ii, b2.e.dd, b2.e.ff,
+	 result.d.a, result.d.b, result.d.c,
+	 result.e.ii, result.e.dd, result.e.ff);
+
+  return result;
+}
+
+static void
+cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		       void* userdata __UNUSED__)
+{
+  struct cls_struct_16byte1 b0;
+  struct cls_struct_16byte2 b1;
+  struct cls_struct_combined b2;
+
+  b0 = *(struct cls_struct_16byte1*)(args[0]);
+  b1 = *(struct cls_struct_16byte2*)(args[1]);
+  b2 = *(struct cls_struct_combined*)(args[2]);
+
+
+  *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type* cls_struct_fields1[5];
+  ffi_type* cls_struct_fields2[5];
+  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  cls_struct_type2.size = 0;
+  cls_struct_type2.alignment = 0;
+  cls_struct_type2.type = FFI_TYPE_STRUCT;
+  cls_struct_type2.elements = cls_struct_fields2;
+
+  struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
+  struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
+  struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
+				      {3, 1.0, 8.0}};
+  struct cls_struct_combined res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_float;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = NULL;
+
+  cls_struct_fields1[0] = &ffi_type_sint;
+  cls_struct_fields1[1] = &ffi_type_double;
+  cls_struct_fields1[2] = &ffi_type_float;
+  cls_struct_fields1[3] = NULL;
+
+  cls_struct_fields2[0] = &cls_struct_type;
+  cls_struct_fields2[1] = &cls_struct_type1;
+  cls_struct_fields2[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = &cls_struct_type2;
+  dbl_arg_types[3] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type2,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
+  /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
+  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
+  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
+  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
+  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
+  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
+  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
+				     cls_struct_16byte2,
+				     cls_struct_combined))
+	     (code))(e_dbl, f_dbl, g_dbl);
+  /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8: 15 10 13 10 12 13" } */
+  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
+  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
+  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
+  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
+  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
+  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct1.c b/testsuite/libffi.call/nested_struct1.c
new file mode 100644
index 0000000..2a9f515
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct1.c
@@ -0,0 +1,161 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_16byte1 {
+  double a;
+  float b;
+  int c;
+} cls_struct_16byte1;
+
+typedef struct cls_struct_16byte2 {
+  int ii;
+  double dd;
+  float ff;
+} cls_struct_16byte2;
+
+typedef struct cls_struct_combined {
+  cls_struct_16byte1 d;
+  cls_struct_16byte2 e;
+} cls_struct_combined;
+
+cls_struct_combined cls_struct_combined_fn(struct cls_struct_16byte1 b0,
+					   struct cls_struct_16byte2 b1,
+					   struct cls_struct_combined b2,
+					   struct cls_struct_16byte1 b3)
+{
+  struct cls_struct_combined result;
+
+  result.d.a = b0.a + b1.dd + b2.d.a;
+  result.d.b = b0.b + b1.ff + b2.d.b;
+  result.d.c = b0.c + b1.ii + b2.d.c;
+  result.e.ii = b0.c + b1.ii + b2.e.ii;
+  result.e.dd = b0.a + b1.dd + b2.e.dd;
+  result.e.ff = b0.b + b1.ff + b2.e.ff;
+
+  printf("%g %g %d %d %g %g %g %g %d %d %g %g %g %g %d: %g %g %d %d %g %g\n",
+	 b0.a, b0.b, b0.c,
+	 b1.ii, b1.dd, b1.ff,
+	 b2.d.a, b2.d.b, b2.d.c,
+	 b2.e.ii, b2.e.dd, b2.e.ff,
+	 b3.a, b3.b, b3.c,
+	 result.d.a, result.d.b, result.d.c,
+	 result.e.ii, result.e.dd, result.e.ff);
+
+  return result;
+}
+
+static void
+cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+		       void* userdata __UNUSED__)
+{
+  struct cls_struct_16byte1 b0;
+  struct cls_struct_16byte2 b1;
+  struct cls_struct_combined b2;
+  struct cls_struct_16byte1 b3;
+
+  b0 = *(struct cls_struct_16byte1*)(args[0]);
+  b1 = *(struct cls_struct_16byte2*)(args[1]);
+  b2 = *(struct cls_struct_combined*)(args[2]);
+  b3 = *(struct cls_struct_16byte1*)(args[3]);
+
+
+  *(cls_struct_combined*)resp = cls_struct_combined_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[5];
+  ffi_type* cls_struct_fields[5];
+  ffi_type* cls_struct_fields1[5];
+  ffi_type* cls_struct_fields2[5];
+  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  cls_struct_type2.size = 0;
+  cls_struct_type2.alignment = 0;
+  cls_struct_type2.type = FFI_TYPE_STRUCT;
+  cls_struct_type2.elements = cls_struct_fields2;
+
+  struct cls_struct_16byte1 e_dbl = { 9.0, 2.0, 6};
+  struct cls_struct_16byte2 f_dbl = { 1, 2.0, 3.0};
+  struct cls_struct_combined g_dbl = {{4.0, 5.0, 6},
+				      {3, 1.0, 8.0}};
+  struct cls_struct_16byte1 h_dbl = { 3.0, 2.0, 4};
+  struct cls_struct_combined res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_float;
+  cls_struct_fields[2] = &ffi_type_sint;
+  cls_struct_fields[3] = NULL;
+
+  cls_struct_fields1[0] = &ffi_type_sint;
+  cls_struct_fields1[1] = &ffi_type_double;
+  cls_struct_fields1[2] = &ffi_type_float;
+  cls_struct_fields1[3] = NULL;
+
+  cls_struct_fields2[0] = &cls_struct_type;
+  cls_struct_fields2[1] = &cls_struct_type1;
+  cls_struct_fields2[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = &cls_struct_type2;
+  dbl_arg_types[3] = &cls_struct_type;
+  dbl_arg_types[4] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type2,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = &h_dbl;
+  args_dbl[4] = NULL;
+
+  ffi_call(&cif, FFI_FN(cls_struct_combined_fn), &res_dbl, args_dbl);
+  /* { dg-output "9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
+  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
+  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
+  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
+  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
+  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
+  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((cls_struct_combined(*)(cls_struct_16byte1,
+				     cls_struct_16byte2,
+				     cls_struct_combined,
+				     cls_struct_16byte1))
+	     (code))(e_dbl, f_dbl, g_dbl, h_dbl);
+  /* { dg-output "\n9 2 6 1 2 3 4 5 6 3 1 8 3 2 4: 15 10 13 10 12 13" } */
+  CHECK( res_dbl.d.a == (e_dbl.a + f_dbl.dd + g_dbl.d.a));
+  CHECK( res_dbl.d.b == (e_dbl.b + f_dbl.ff + g_dbl.d.b));
+  CHECK( res_dbl.d.c == (e_dbl.c + f_dbl.ii + g_dbl.d.c));
+  CHECK( res_dbl.e.ii == (e_dbl.c + f_dbl.ii + g_dbl.e.ii));
+  CHECK( res_dbl.e.dd == (e_dbl.a + f_dbl.dd + g_dbl.e.dd));
+  CHECK( res_dbl.e.ff == (e_dbl.b + f_dbl.ff + g_dbl.e.ff));
+  //  CHECK( 1 == 0);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct10.c b/testsuite/libffi.call/nested_struct10.c
new file mode 100644
index 0000000..d6a718b
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct10.c
@@ -0,0 +1,133 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned long long a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  unsigned char y;
+  struct A x;
+  unsigned int z;
+} B;
+
+typedef struct C {
+  unsigned long long d;
+  unsigned char e;
+} C;
+
+static B B_fn(struct A b2, struct B b3, struct C b4)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a + b3.z + b4.d;
+  result.x.b = b2.b + b3.x.b + b3.y + b4.e;
+  result.y = b2.b + b3.x.b + b4.e;
+
+  printf("%d %d %d %d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
+	 (int)b3.x.a, b3.x.b, b3.y, b3.z, (int)b4.d, b4.e,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+  struct C b2;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+  b2 = *(struct C*)(args[2]);
+
+  *(B*)resp = B_fn(b0, b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[4];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[4];
+  ffi_type* cls_struct_fields2[3];
+  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+  ffi_type* dbl_arg_types[4];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  cls_struct_type2.size = 0;
+  cls_struct_type2.alignment = 0;
+  cls_struct_type2.type = FFI_TYPE_STRUCT;
+  cls_struct_type2.elements = cls_struct_fields2;
+
+  struct A e_dbl = { 1LL, 7};
+  struct B f_dbl = { 99, {12LL , 127}, 255};
+  struct C g_dbl = { 2LL, 9};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uint64;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &ffi_type_uchar;
+  cls_struct_fields1[1] = &cls_struct_type;
+  cls_struct_fields1[2] = &ffi_type_uint;
+  cls_struct_fields1[3] = NULL;
+
+  cls_struct_fields2[0] = &ffi_type_uint64;
+  cls_struct_fields2[1] = &ffi_type_uchar;
+  cls_struct_fields2[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = &cls_struct_type2;
+  dbl_arg_types[3] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99 255 2 9: 270 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + f_dbl.z + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B, C))(code))(e_dbl, f_dbl, g_dbl);
+  /* { dg-output "\n1 7 12 127 99 255 2 9: 270 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + f_dbl.z + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct2.c b/testsuite/libffi.call/nested_struct2.c
new file mode 100644
index 0000000..de1584c
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct2.c
@@ -0,0 +1,110 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030911	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned long a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+B B_fn(struct A b0, struct B b1)
+{
+  struct B result;
+
+  result.x.a = b0.a + b1.x.a;
+  result.x.b = b0.b + b1.x.b + b1.y;
+  result.y = b0.b + b1.x.b;
+
+  printf("%lu %d %lu %d %d: %lu %d %d\n", b0.a, b0.b, b1.x.a, b1.x.b, b1.y,
+	 result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+
+  *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type cls_struct_type, cls_struct_type1;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  struct A e_dbl = { 1, 7};
+  struct B f_dbl = {{12 , 127}, 99};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_ulong;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl);
+  /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct3.c b/testsuite/libffi.call/nested_struct3.c
new file mode 100644
index 0000000..58aa853
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct3.c
@@ -0,0 +1,111 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030911	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned long long a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+B B_fn(struct A b0, struct B b1)
+{
+  struct B result;
+
+  result.x.a = b0.a + b1.x.a;
+  result.x.b = b0.b + b1.x.b + b1.y;
+  result.y = b0.b + b1.x.b;
+
+  printf("%d %d %d %d %d: %d %d %d\n", (int)b0.a, b0.b,
+	 (int)b1.x.a, b1.x.b, b1.y,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+
+  *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type cls_struct_type, cls_struct_type1;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  struct A e_dbl = { 1LL, 7};
+  struct B f_dbl = {{12LL , 127}, 99};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uint64;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl);
+  /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct4.c b/testsuite/libffi.call/nested_struct4.c
new file mode 100644
index 0000000..98e491e
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct4.c
@@ -0,0 +1,111 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		PR 25630.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  double a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+static B B_fn(struct A b2, struct B b3)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a;
+  result.x.b = b2.b + b3.x.b + b3.y;
+  result.y = b2.b + b3.x.b;
+
+  printf("%d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
+	 (int)b3.x.a, b3.x.b, b3.y,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+
+  *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type cls_struct_type, cls_struct_type1;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  struct A e_dbl = { 1.0, 7};
+  struct B f_dbl = {{12.0 , 127}, 99};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl);
+  /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct5.c b/testsuite/libffi.call/nested_struct5.c
new file mode 100644
index 0000000..d8e3537
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct5.c
@@ -0,0 +1,112 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  long double a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+static B B_fn(struct A b2, struct B b3)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a;
+  result.x.b = b2.b + b3.x.b + b3.y;
+  result.y = b2.b + b3.x.b;
+
+  printf("%d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
+	 (int)b3.x.a, b3.x.b, b3.y,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+
+  *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type cls_struct_type, cls_struct_type1;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  struct A e_dbl = { 1.0, 7};
+  struct B f_dbl = {{12.0 , 127}, 99};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_longdouble;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl);
+  /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct6.c b/testsuite/libffi.call/nested_struct6.c
new file mode 100644
index 0000000..2f2b25a
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct6.c
@@ -0,0 +1,131 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		PR 25630.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  double a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+typedef struct C {
+  long d;
+  unsigned char e;
+} C;
+
+static B B_fn(struct A b2, struct B b3, struct C b4)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a + b4.d;
+  result.x.b = b2.b + b3.x.b + b3.y + b4.e;
+  result.y = b2.b + b3.x.b + b4.e;
+
+  printf("%d %d %d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
+	 (int)b3.x.a, b3.x.b, b3.y, (int)b4.d, b4.e,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+  struct C b2;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+  b2 = *(struct C*)(args[2]);
+
+  *(B*)resp = B_fn(b0, b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[4];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type* cls_struct_fields2[3];
+  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+  ffi_type* dbl_arg_types[4];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  cls_struct_type2.size = 0;
+  cls_struct_type2.alignment = 0;
+  cls_struct_type2.type = FFI_TYPE_STRUCT;
+  cls_struct_type2.elements = cls_struct_fields2;
+
+  struct A e_dbl = { 1.0, 7};
+  struct B f_dbl = {{12.0 , 127}, 99};
+  struct C g_dbl = { 2, 9};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_double;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+  cls_struct_fields2[0] = &ffi_type_slong;
+  cls_struct_fields2[1] = &ffi_type_uchar;
+  cls_struct_fields2[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = &cls_struct_type2;
+  dbl_arg_types[3] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99 2 9: 15 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B, C))(code))(e_dbl, f_dbl, g_dbl);
+  /* { dg-output "\n1 7 12 127 99 2 9: 15 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct7.c b/testsuite/libffi.call/nested_struct7.c
new file mode 100644
index 0000000..14c7023
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct7.c
@@ -0,0 +1,111 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned long long a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+static B B_fn(struct A b2, struct B b3)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a;
+  result.x.b = b2.b + b3.x.b + b3.y;
+  result.y = b2.b + b3.x.b;
+
+  printf("%d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
+	 (int)b3.x.a, b3.x.b, b3.y,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+
+  *(B*)resp = B_fn(b0, b1);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[3];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type cls_struct_type, cls_struct_type1;
+  ffi_type* dbl_arg_types[3];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  struct A e_dbl = { 1LL, 7};
+  struct B f_dbl = {{12.0 , 127}, 99};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uint64;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B))(code))(e_dbl, f_dbl);
+  /* { dg-output "\n1 7 12 127 99: 13 233 134" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct8.c b/testsuite/libffi.call/nested_struct8.c
new file mode 100644
index 0000000..bb77ead
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct8.c
@@ -0,0 +1,131 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned long long a;
+  unsigned char b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+typedef struct C {
+  unsigned long long d;
+  unsigned char e;
+} C;
+
+static B B_fn(struct A b2, struct B b3, struct C b4)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a + b4.d;
+  result.x.b = b2.b + b3.x.b + b3.y + b4.e;
+  result.y = b2.b + b3.x.b + b4.e;
+
+  printf("%d %d %d %d %d %d %d: %d %d %d\n", (int)b2.a, b2.b,
+	 (int)b3.x.a, b3.x.b, b3.y, (int)b4.d, b4.e,
+	 (int)result.x.a, result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+  struct C b2;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+  b2 = *(struct C*)(args[2]);
+
+  *(B*)resp = B_fn(b0, b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[4];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type* cls_struct_fields2[3];
+  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+  ffi_type* dbl_arg_types[4];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  cls_struct_type2.size = 0;
+  cls_struct_type2.alignment = 0;
+  cls_struct_type2.type = FFI_TYPE_STRUCT;
+  cls_struct_type2.elements = cls_struct_fields2;
+
+  struct A e_dbl = { 1LL, 7};
+  struct B f_dbl = {{12LL , 127}, 99};
+  struct C g_dbl = { 2LL, 9};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uint64;
+  cls_struct_fields[1] = &ffi_type_uchar;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+  cls_struct_fields2[0] = &ffi_type_uint64;
+  cls_struct_fields2[1] = &ffi_type_uchar;
+  cls_struct_fields2[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = &cls_struct_type2;
+  dbl_arg_types[3] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99 2 9: 15 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B, C))(code))(e_dbl, f_dbl, g_dbl);
+  /* { dg-output "\n1 7 12 127 99 2 9: 15 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/nested_struct9.c b/testsuite/libffi.call/nested_struct9.c
new file mode 100644
index 0000000..e9f541c
--- /dev/null
+++ b/testsuite/libffi.call/nested_struct9.c
@@ -0,0 +1,131 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+		Contains structs as parameter of the struct itself.
+		Sample taken from Alan Modras patch to src/prep_cif.c.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20051010	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct A {
+  unsigned char a;
+  unsigned long long b;
+} A;
+
+typedef struct B {
+  struct A x;
+  unsigned char y;
+} B;
+
+typedef struct C {
+  unsigned long d;
+  unsigned char e;
+} C;
+
+static B B_fn(struct A b2, struct B b3, struct C b4)
+{
+  struct B result;
+
+  result.x.a = b2.a + b3.x.a + b4.d;
+  result.x.b = b2.b + b3.x.b + b3.y + b4.e;
+  result.y = b2.b + b3.x.b + b4.e;
+
+  printf("%d %d %d %d %d %d %d: %d %d %d\n", b2.a, (int)b2.b,
+	 b3.x.a, (int)b3.x.b, b3.y, (int)b4.d, b4.e,
+	 result.x.a, (int)result.x.b, result.y);
+
+  return result;
+}
+
+static void
+B_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
+     void* userdata __UNUSED__)
+{
+  struct A b0;
+  struct B b1;
+  struct C b2;
+
+  b0 = *(struct A*)(args[0]);
+  b1 = *(struct B*)(args[1]);
+  b2 = *(struct C*)(args[2]);
+
+  *(B*)resp = B_fn(b0, b1, b2);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args_dbl[4];
+  ffi_type* cls_struct_fields[3];
+  ffi_type* cls_struct_fields1[3];
+  ffi_type* cls_struct_fields2[3];
+  ffi_type cls_struct_type, cls_struct_type1, cls_struct_type2;
+  ffi_type* dbl_arg_types[4];
+
+  cls_struct_type.size = 0;
+  cls_struct_type.alignment = 0;
+  cls_struct_type.type = FFI_TYPE_STRUCT;
+  cls_struct_type.elements = cls_struct_fields;
+
+  cls_struct_type1.size = 0;
+  cls_struct_type1.alignment = 0;
+  cls_struct_type1.type = FFI_TYPE_STRUCT;
+  cls_struct_type1.elements = cls_struct_fields1;
+
+  cls_struct_type2.size = 0;
+  cls_struct_type2.alignment = 0;
+  cls_struct_type2.type = FFI_TYPE_STRUCT;
+  cls_struct_type2.elements = cls_struct_fields2;
+
+  struct A e_dbl = { 1, 7LL};
+  struct B f_dbl = {{12.0 , 127}, 99};
+  struct C g_dbl = { 2, 9};
+
+  struct B res_dbl;
+
+  cls_struct_fields[0] = &ffi_type_uchar;
+  cls_struct_fields[1] = &ffi_type_uint64;
+  cls_struct_fields[2] = NULL;
+
+  cls_struct_fields1[0] = &cls_struct_type;
+  cls_struct_fields1[1] = &ffi_type_uchar;
+  cls_struct_fields1[2] = NULL;
+
+  cls_struct_fields2[0] = &ffi_type_ulong;
+  cls_struct_fields2[1] = &ffi_type_uchar;
+  cls_struct_fields2[2] = NULL;
+
+
+  dbl_arg_types[0] = &cls_struct_type;
+  dbl_arg_types[1] = &cls_struct_type1;
+  dbl_arg_types[2] = &cls_struct_type2;
+  dbl_arg_types[3] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &cls_struct_type1,
+		     dbl_arg_types) == FFI_OK);
+
+  args_dbl[0] = &e_dbl;
+  args_dbl[1] = &f_dbl;
+  args_dbl[2] = &g_dbl;
+  args_dbl[3] = NULL;
+
+  ffi_call(&cif, FFI_FN(B_fn), &res_dbl, args_dbl);
+  /* { dg-output "1 7 12 127 99 2 9: 15 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, B_gn, NULL, code) == FFI_OK);
+
+  res_dbl = ((B(*)(A, B, C))(code))(e_dbl, f_dbl, g_dbl);
+  /* { dg-output "\n1 7 12 127 99 2 9: 15 242 143" } */
+  CHECK( res_dbl.x.a == (e_dbl.a + f_dbl.x.a + g_dbl.d));
+  CHECK( res_dbl.x.b == (e_dbl.b + f_dbl.x.b + f_dbl.y + g_dbl.e));
+  CHECK( res_dbl.y == (e_dbl.b + f_dbl.x.b + g_dbl.e));
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/problem1.c b/testsuite/libffi.call/problem1.c
new file mode 100644
index 0000000..6a91555
--- /dev/null
+++ b/testsuite/libffi.call/problem1.c
@@ -0,0 +1,90 @@
+/* Area:	ffi_call, closure_call
+   Purpose:	Check structure passing with different structure size.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20030828	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct my_ffi_struct {
+  double a;
+  double b;
+  double c;
+} my_ffi_struct;
+
+my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
+{
+  struct my_ffi_struct result;
+  result.a = a1.a + a2.a;
+  result.b = a1.b + a2.b;
+  result.c = a1.c + a2.c;
+
+
+  printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
+	 a2.a, a2.b, a2.c, result.a, result.b, result.c);
+
+  return result;
+}
+
+void stub(ffi_cif* cif __UNUSED__, void* resp, void** args,
+	  void* userdata __UNUSED__)
+{
+  struct my_ffi_struct a1;
+  struct my_ffi_struct a2;
+
+  a1 = *(struct my_ffi_struct*)(args[0]);
+  a2 = *(struct my_ffi_struct*)(args[1]);
+
+  *(my_ffi_struct *)resp = callee(a1, a2);
+}
+
+
+int main(void)
+{
+  ffi_type* my_ffi_struct_fields[4];
+  ffi_type my_ffi_struct_type;
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  void* args[4];
+  ffi_type* arg_types[3];
+
+  struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
+  struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
+  struct my_ffi_struct res;
+
+  my_ffi_struct_type.size = 0;
+  my_ffi_struct_type.alignment = 0;
+  my_ffi_struct_type.type = FFI_TYPE_STRUCT;
+  my_ffi_struct_type.elements = my_ffi_struct_fields;
+
+  my_ffi_struct_fields[0] = &ffi_type_double;
+  my_ffi_struct_fields[1] = &ffi_type_double;
+  my_ffi_struct_fields[2] = &ffi_type_double;
+  my_ffi_struct_fields[3] = NULL;
+
+  arg_types[0] = &my_ffi_struct_type;
+  arg_types[1] = &my_ffi_struct_type;
+  arg_types[2] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
+		     arg_types) == FFI_OK);
+
+  args[0] = &g;
+  args[1] = &f;
+  args[2] = NULL;
+  ffi_call(&cif, FFI_FN(callee), &res, args);
+  /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
+  printf("res: %g %g %g\n", res.a, res.b, res.c);
+  /* { dg-output "\nres: 2 4 6" } */
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, stub, NULL, code) == FFI_OK);
+
+  res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(code))(g, f);
+  /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
+  printf("res: %g %g %g\n", res.a, res.b, res.c);
+  /* { dg-output "\nres: 2 4 6" } */
+
+  exit(0);;
+}
diff --git a/testsuite/libffi.call/promotion.c b/testsuite/libffi.call/promotion.c
new file mode 100644
index 0000000..4456161
--- /dev/null
+++ b/testsuite/libffi.call/promotion.c
@@ -0,0 +1,59 @@
+/* Area:	ffi_call
+   Purpose:	Promotion test.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static int promotion(signed char sc, signed short ss,
+		     unsigned char uc, unsigned short us)
+{
+  int r = (int) sc + (int) ss + (int) uc + (int) us;
+
+  return r;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+  signed char sc;
+  unsigned char uc;
+  signed short ss;
+  unsigned short us;
+  unsigned long ul;
+
+  args[0] = &ffi_type_schar;
+  args[1] = &ffi_type_sshort;
+  args[2] = &ffi_type_uchar;
+  args[3] = &ffi_type_ushort;
+  values[0] = &sc;
+  values[1] = &ss;
+  values[2] = &uc;
+  values[3] = &us;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_sint, args) == FFI_OK);
+
+  us = 0;
+  ul = 0;
+
+  for (sc = (signed char) -127;
+       sc <= (signed char) 120; sc += 1)
+    for (ss = -30000; ss <= 30000; ss += 10000)
+      for (uc = (unsigned char) 0;
+	   uc <= (unsigned char) 200; uc += 20)
+	for (us = 0; us <= 60000; us += 10000)
+	  {
+	    ul++;
+	    ffi_call(&cif, FFI_FN(promotion), &rint, values);
+	    CHECK((int)rint == (signed char) sc + (signed short) ss +
+		  (unsigned char) uc + (unsigned short) us);
+	  }
+  printf("%lu promotion tests run\n", ul);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/pyobjc-tc.c b/testsuite/libffi.call/pyobjc-tc.c
new file mode 100644
index 0000000..e29bd6c
--- /dev/null
+++ b/testsuite/libffi.call/pyobjc-tc.c
@@ -0,0 +1,114 @@
+/* Area:	ffi_call
+   Purpose:	Check different structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	Ronald Oussoren <oussoren@cistron.nl> 20030824	*/
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct Point {
+	float x;
+	float y;
+} Point;
+
+typedef struct Size {
+	float h;
+	float w;
+} Size;
+
+typedef struct Rect {
+	Point o;
+	Size  s;
+} Rect;
+
+int doit(int o, char* s, Point p, Rect r, int last)
+{
+	printf("CALLED WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n",
+		o, s, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, last);
+	return 42;
+}
+
+
+int main(void)
+{
+	ffi_type point_type;
+	ffi_type size_type;
+	ffi_type rect_type;
+	ffi_cif cif;
+	ffi_type* arglist[6];
+	void* values[6];
+	int r;
+
+	/*
+	 *  First set up FFI types for the 3 struct types
+	 */
+
+	point_type.size = 0; /*sizeof(Point);*/
+	point_type.alignment = 0; /*__alignof__(Point);*/
+	point_type.type = FFI_TYPE_STRUCT;
+	point_type.elements = malloc(3 * sizeof(ffi_type*));
+	point_type.elements[0] = &ffi_type_float;
+	point_type.elements[1] = &ffi_type_float;
+	point_type.elements[2] = NULL;
+
+	size_type.size = 0;/* sizeof(Size);*/
+	size_type.alignment = 0;/* __alignof__(Size);*/
+	size_type.type = FFI_TYPE_STRUCT;
+	size_type.elements = malloc(3 * sizeof(ffi_type*));
+	size_type.elements[0] = &ffi_type_float;
+	size_type.elements[1] = &ffi_type_float;
+	size_type.elements[2] = NULL;
+
+	rect_type.size = 0;/*sizeof(Rect);*/
+	rect_type.alignment =0;/* __alignof__(Rect);*/
+	rect_type.type = FFI_TYPE_STRUCT;
+	rect_type.elements = malloc(3 * sizeof(ffi_type*));
+	rect_type.elements[0] = &point_type;
+	rect_type.elements[1] = &size_type;
+	rect_type.elements[2] = NULL;
+
+	/*
+	 * Create a CIF
+	 */
+	arglist[0] = &ffi_type_sint;
+	arglist[1] = &ffi_type_pointer;
+	arglist[2] = &point_type;
+	arglist[3] = &rect_type;
+	arglist[4] = &ffi_type_sint;
+	arglist[5] = NULL;
+
+	r = ffi_prep_cif(&cif, FFI_DEFAULT_ABI,
+			5, &ffi_type_sint, arglist);
+	if (r != FFI_OK) {
+		abort();
+	}
+
+
+	/* And call the function through the CIF */
+
+	{
+	Point p = { 1.0, 2.0 };
+	Rect  r = { { 9.0, 10.0}, { -1.0, -2.0 } };
+	int   o = 0;
+	int   l = 42;
+	char* m = "myMethod";
+	ffi_arg result;
+
+	values[0] = &o;
+	values[1] = &m;
+	values[2] = &p;
+	values[3] = &r;
+	values[4] = &l;
+	values[5] = NULL;
+
+	printf("CALLING WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n",
+		o, m, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, l);
+
+	ffi_call(&cif, FFI_FN(doit), &result, values);
+
+	printf ("The result is %d\n", (int)result);
+
+	}
+	exit(0);
+}
diff --git a/testsuite/libffi.call/return_dbl.c b/testsuite/libffi.call/return_dbl.c
new file mode 100644
index 0000000..1aab403
--- /dev/null
+++ b/testsuite/libffi.call/return_dbl.c
@@ -0,0 +1,35 @@
+/* Area:	ffi_call
+   Purpose:	Check return value double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static double return_dbl(double dbl)
+{
+  return 2 * dbl;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  double dbl, rdbl;
+
+  args[0] = &ffi_type_double;
+  values[0] = &dbl;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_double, args) == FFI_OK);
+
+  for (dbl = -127.3; dbl <  127; dbl++)
+    {
+      ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
+      printf ("%f vs %f\n", rdbl, return_dbl(dbl));
+      CHECK(rdbl == 2 * dbl);
+    }
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_dbl1.c b/testsuite/libffi.call/return_dbl1.c
new file mode 100644
index 0000000..0ea5d50
--- /dev/null
+++ b/testsuite/libffi.call/return_dbl1.c
@@ -0,0 +1,43 @@
+/* Area:	ffi_call
+   Purpose:	Check return value double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static double return_dbl(double dbl1, float fl2, unsigned int in3, double dbl4)
+{
+  return dbl1 + fl2 + in3 + dbl4;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  double dbl1, dbl4, rdbl;
+  float fl2;
+  unsigned int in3;
+  args[0] = &ffi_type_double;
+  args[1] = &ffi_type_float;
+  args[2] = &ffi_type_uint;
+  args[3] = &ffi_type_double;
+  values[0] = &dbl1;
+  values[1] = &fl2;
+  values[2] = &in3;
+  values[3] = &dbl4;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_double, args) == FFI_OK);
+  dbl1 = 127.0;
+  fl2 = 128.0;
+  in3 = 255;
+  dbl4 = 512.7;
+
+  ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
+  printf ("%f vs %f\n", rdbl, return_dbl(dbl1, fl2, in3, dbl4));
+  CHECK(rdbl ==  dbl1 + fl2 + in3 + dbl4);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_dbl2.c b/testsuite/libffi.call/return_dbl2.c
new file mode 100644
index 0000000..b3818f8
--- /dev/null
+++ b/testsuite/libffi.call/return_dbl2.c
@@ -0,0 +1,42 @@
+/* Area:	ffi_call
+   Purpose:	Check return value double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static double return_dbl(double dbl1, double dbl2, unsigned int in3, double dbl4)
+{
+  return dbl1 + dbl2 + in3 + dbl4;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  double dbl1, dbl2, dbl4, rdbl;
+  unsigned int in3;
+  args[0] = &ffi_type_double;
+  args[1] = &ffi_type_double;
+  args[2] = &ffi_type_uint;
+  args[3] = &ffi_type_double;
+  values[0] = &dbl1;
+  values[1] = &dbl2;
+  values[2] = &in3;
+  values[3] = &dbl4;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_double, args) == FFI_OK);
+  dbl1 = 127.0;
+  dbl2 = 128.0;
+  in3 = 255;
+  dbl4 = 512.7;
+
+  ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
+  printf ("%f vs %f\n", rdbl, return_dbl(dbl1, dbl2, in3, dbl4));
+  CHECK(rdbl ==  dbl1 + dbl2 + in3 + dbl4);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_fl.c b/testsuite/libffi.call/return_fl.c
new file mode 100644
index 0000000..fb8a09e
--- /dev/null
+++ b/testsuite/libffi.call/return_fl.c
@@ -0,0 +1,35 @@
+/* Area:	ffi_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static float return_fl(float fl)
+{
+  return 2 * fl;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float fl, rfl;
+
+  args[0] = &ffi_type_float;
+  values[0] = &fl;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_float, args) == FFI_OK);
+
+  for (fl = -127.0; fl <  127; fl++)
+    {
+      ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
+      printf ("%f vs %f\n", rfl, return_fl(fl));
+      CHECK(rfl ==  2 * fl);
+    }
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_fl1.c b/testsuite/libffi.call/return_fl1.c
new file mode 100644
index 0000000..c3d92c2
--- /dev/null
+++ b/testsuite/libffi.call/return_fl1.c
@@ -0,0 +1,36 @@
+/* Area:	ffi_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static float return_fl(float fl1, float fl2)
+{
+  return fl1 + fl2;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float fl1, fl2, rfl;
+
+  args[0] = &ffi_type_float;
+  args[1] = &ffi_type_float;
+  values[0] = &fl1;
+  values[1] = &fl2;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_float, args) == FFI_OK);
+  fl1 = 127.0;
+  fl2 = 128.0;
+
+  ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
+  printf ("%f vs %f\n", rfl, return_fl(fl1, fl2));
+  CHECK(rfl ==  fl1 + fl2);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_fl2.c b/testsuite/libffi.call/return_fl2.c
new file mode 100644
index 0000000..ddb976c
--- /dev/null
+++ b/testsuite/libffi.call/return_fl2.c
@@ -0,0 +1,49 @@
+/* Area:	ffi_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+/* Use volatile float to avoid false negative on ix86.  See PR target/323.  */
+static float return_fl(float fl1, float fl2, float fl3, float fl4)
+{
+  volatile float sum;
+
+  sum = fl1 + fl2 + fl3 + fl4;
+  return sum;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float fl1, fl2, fl3, fl4, rfl;
+  volatile float sum;
+
+  args[0] = &ffi_type_float;
+  args[1] = &ffi_type_float;
+  args[2] = &ffi_type_float;
+  args[3] = &ffi_type_float;
+  values[0] = &fl1;
+  values[1] = &fl2;
+  values[2] = &fl3;
+  values[3] = &fl4;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_float, args) == FFI_OK);
+  fl1 = 127.0;
+  fl2 = 128.0;
+  fl3 = 255.1;
+  fl4 = 512.7;
+
+  ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
+  printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, fl3, fl4));
+
+  sum = fl1 + fl2 + fl3 + fl4;
+  CHECK(rfl == sum);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_fl3.c b/testsuite/libffi.call/return_fl3.c
new file mode 100644
index 0000000..c37877b
--- /dev/null
+++ b/testsuite/libffi.call/return_fl3.c
@@ -0,0 +1,42 @@
+/* Area:	ffi_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static float return_fl(float fl1, float fl2, unsigned int in3, float fl4)
+{
+  return fl1 + fl2 + in3 + fl4;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float fl1, fl2, fl4, rfl;
+  unsigned int in3;
+  args[0] = &ffi_type_float;
+  args[1] = &ffi_type_float;
+  args[2] = &ffi_type_uint;
+  args[3] = &ffi_type_float;
+  values[0] = &fl1;
+  values[1] = &fl2;
+  values[2] = &in3;
+  values[3] = &fl4;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_float, args) == FFI_OK);
+  fl1 = 127.0;
+  fl2 = 128.0;
+  in3 = 255;
+  fl4 = 512.7;
+
+  ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
+  printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, in3, fl4));
+  CHECK(rfl ==  fl1 + fl2 + in3 + fl4);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_ldl.c b/testsuite/libffi.call/return_ldl.c
new file mode 100644
index 0000000..5c2fe65
--- /dev/null
+++ b/testsuite/libffi.call/return_ldl.c
@@ -0,0 +1,34 @@
+/* Area:	ffi_call
+   Purpose:	Check return value long double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20071113  */
+
+/* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+#include "ffitest.h"
+
+static long double return_ldl(long double ldl)
+{
+  return 2*ldl;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  long double ldl, rldl;
+
+  args[0] = &ffi_type_longdouble;
+  values[0] = &ldl;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_longdouble, args) == FFI_OK);
+
+  for (ldl = -127.0; ldl <  127.0; ldl++)
+    {
+      ffi_call(&cif, FFI_FN(return_ldl), &rldl, values);
+      CHECK(rldl ==  2 * ldl);
+    }
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_ll.c b/testsuite/libffi.call/return_ll.c
new file mode 100644
index 0000000..ea4a1e4
--- /dev/null
+++ b/testsuite/libffi.call/return_ll.c
@@ -0,0 +1,41 @@
+/* Area:	ffi_call
+   Purpose:	Check return value long long.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static long long return_ll(long long ll)
+{
+  return ll;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  long long rlonglong;
+  long long ll;
+
+  args[0] = &ffi_type_sint64;
+  values[0] = &ll;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_sint64, args) == FFI_OK);
+
+  for (ll = 0LL; ll < 100LL; ll++)
+    {
+      ffi_call(&cif, FFI_FN(return_ll), &rlonglong, values);
+      CHECK(rlonglong == ll);
+    }
+
+  for (ll = 55555555555000LL; ll < 55555555555100LL; ll++)
+    {
+      ffi_call(&cif, FFI_FN(return_ll), &rlonglong, values);
+      CHECK(rlonglong == ll);
+    }
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_ll1.c b/testsuite/libffi.call/return_ll1.c
new file mode 100644
index 0000000..dad90c1
--- /dev/null
+++ b/testsuite/libffi.call/return_ll1.c
@@ -0,0 +1,42 @@
+/* Area:	ffi_call
+   Purpose:	Check if long long are passed in the corresponding regs on ppc.
+   Limitations:	none.
+   PR:		20104.
+   Originator:	<andreast@gcc.gnu.org> 20050222  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static long long return_ll(int ll0, long long ll1, int ll2)
+{
+  return ll0 + ll1 + ll2;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  long long rlonglong;
+  long long ll1;
+  unsigned ll0, ll2;
+
+  args[0] = &ffi_type_sint;
+  args[1] = &ffi_type_sint64;
+  args[2] = &ffi_type_sint;
+  values[0] = &ll0;
+  values[1] = &ll1;
+  values[2] = &ll2;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
+		     &ffi_type_sint64, args) == FFI_OK);
+
+  ll0 = 11111111;
+  ll1 = 11111111111000LL;
+  ll2 = 11111111;
+
+  ffi_call(&cif, FFI_FN(return_ll), &rlonglong, values);
+  printf("res: %" PRIdLL ", %" PRIdLL "\n", rlonglong, ll0 + ll1 + ll2);
+  /* { dg-output "res: 11111133333222, 11111133333222" } */
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_sc.c b/testsuite/libffi.call/return_sc.c
new file mode 100644
index 0000000..19608ee
--- /dev/null
+++ b/testsuite/libffi.call/return_sc.c
@@ -0,0 +1,36 @@
+/* Area:	ffi_call
+   Purpose:	Check return value signed char.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static signed char return_sc(signed char sc)
+{
+  return sc;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+  signed char sc;
+
+  args[0] = &ffi_type_schar;
+  values[0] = &sc;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_schar, args) == FFI_OK);
+
+  for (sc = (signed char) -127;
+       sc < (signed char) 127; sc++)
+    {
+      ffi_call(&cif, FFI_FN(return_sc), &rint, values);
+      CHECK(rint == (ffi_arg) sc);
+    }
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_sl.c b/testsuite/libffi.call/return_sl.c
new file mode 100644
index 0000000..f0fd345
--- /dev/null
+++ b/testsuite/libffi.call/return_sl.c
@@ -0,0 +1,38 @@
+/* Area:	ffi_call
+   Purpose:	Check if long as return type is handled correctly.
+   Limitations:	none.
+   PR:		none.
+ */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static long return_sl(long l1, long l2)
+{
+  return l1 - l2;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg res;
+  unsigned long l1, l2;
+
+  args[0] = &ffi_type_slong;
+  args[1] = &ffi_type_slong;
+  values[0] = &l1;
+  values[1] = &l2;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_slong, args) == FFI_OK);
+
+  l1 = 1073741823L;
+  l2 = 1073741824L;
+
+  ffi_call(&cif, FFI_FN(return_sl), &res, values);
+  printf("res: %ld, %ld\n", (long)res, l1 - l2);
+  /* { dg-output "res: -1, -1" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_uc.c b/testsuite/libffi.call/return_uc.c
new file mode 100644
index 0000000..07c45de
--- /dev/null
+++ b/testsuite/libffi.call/return_uc.c
@@ -0,0 +1,38 @@
+/* Area:	ffi_call
+   Purpose:	Check return value unsigned char.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static unsigned char return_uc(unsigned char uc)
+{
+  return uc;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+
+  unsigned char uc;
+
+  args[0] = &ffi_type_uchar;
+  values[0] = &uc;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+		     &ffi_type_uchar, args) == FFI_OK);
+
+  for (uc = (unsigned char) '\x00';
+       uc < (unsigned char) '\xff'; uc++)
+    {
+      ffi_call(&cif, FFI_FN(return_uc), &rint, values);
+      CHECK(rint == (signed int) uc);
+    }
+  exit(0);
+}
diff --git a/testsuite/libffi.call/return_ul.c b/testsuite/libffi.call/return_ul.c
new file mode 100644
index 0000000..12b266f
--- /dev/null
+++ b/testsuite/libffi.call/return_ul.c
@@ -0,0 +1,38 @@
+/* Area:	ffi_call
+   Purpose:	Check if unsigned long as return type is handled correctly.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<kaffeetisch at gmx dot de> 20060724  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static unsigned long return_ul(unsigned long ul1, unsigned long ul2)
+{
+  return ul1 + ul2;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg res;
+  unsigned long ul1, ul2;
+
+  args[0] = &ffi_type_ulong;
+  args[1] = &ffi_type_ulong;
+  values[0] = &ul1;
+  values[1] = &ul2;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_ulong, args) == FFI_OK);
+
+  ul1 = 1073741823L;
+  ul2 = 1073741824L;
+
+  ffi_call(&cif, FFI_FN(return_ul), &res, values);
+  printf("res: %lu, %lu\n", (unsigned long)res, ul1 + ul2);
+  /* { dg-output "res: 2147483647, 2147483647" } */
+
+  exit(0);
+}
diff --git a/testsuite/libffi.call/stret_large.c b/testsuite/libffi.call/stret_large.c
new file mode 100644
index 0000000..23a93b9
--- /dev/null
+++ b/testsuite/libffi.call/stret_large.c
@@ -0,0 +1,145 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check structure returning with different structure size.
+				Depending on the ABI. Check bigger struct which overlaps
+				the gp and fp register count on Darwin/AIX/ppc64.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin	6/21/2007	*/
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-*  } } */
+#include "ffitest.h"
+
+// 13 FPRs: 104 bytes
+// 14 FPRs: 112 bytes
+
+typedef struct struct_108byte {
+	double a;
+	double b;
+	double c;
+	double d;
+	double e;
+	double f;
+	double g;
+	double h;
+	double i;
+	double j;
+	double k;
+	double l;
+	double m;
+	int n;
+} struct_108byte;
+
+struct_108byte cls_struct_108byte_fn(
+	struct_108byte b0,
+	struct_108byte b1,
+	struct_108byte b2,
+	struct_108byte b3)
+{
+	struct_108byte	result;
+
+	result.a = b0.a + b1.a + b2.a + b3.a;
+	result.b = b0.b + b1.b + b2.b + b3.b;
+	result.c = b0.c + b1.c + b2.c + b3.c;
+	result.d = b0.d + b1.d + b2.d + b3.d;
+	result.e = b0.e + b1.e + b2.e + b3.e;
+	result.f = b0.f + b1.f + b2.f + b3.f;
+	result.g = b0.g + b1.g + b2.g + b3.g;
+	result.h = b0.h + b1.h + b2.h + b3.h;
+	result.i = b0.i + b1.i + b2.i + b3.i;
+	result.j = b0.j + b1.j + b2.j + b3.j;
+	result.k = b0.k + b1.k + b2.k + b3.k;
+	result.l = b0.l + b1.l + b2.l + b3.l;
+	result.m = b0.m + b1.m + b2.m + b3.m;
+	result.n = b0.n + b1.n + b2.n + b3.n;
+
+	printf("%g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", result.a, result.b, result.c,
+		result.d, result.e, result.f, result.g, result.h, result.i,
+		result.j, result.k, result.l, result.m, result.n);
+
+	return result;
+}
+
+static void
+cls_struct_108byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
+{
+	struct_108byte	b0, b1, b2, b3;
+
+	b0 = *(struct_108byte*)(args[0]);
+	b1 = *(struct_108byte*)(args[1]);
+	b2 = *(struct_108byte*)(args[2]);
+	b3 = *(struct_108byte*)(args[3]);
+
+	*(struct_108byte*)resp = cls_struct_108byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args_dbl[5];
+	ffi_type* cls_struct_fields[15];
+	ffi_type cls_struct_type;
+	ffi_type* dbl_arg_types[5];
+
+	cls_struct_type.size = 0;
+	cls_struct_type.alignment = 0;
+	cls_struct_type.type = FFI_TYPE_STRUCT;
+	cls_struct_type.elements = cls_struct_fields;
+
+	struct_108byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 1.0, 2.0, 3.0, 7.0, 2.0, 7 };
+	struct_108byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4.0, 5.0, 7.0, 9.0, 1.0, 4 };
+	struct_108byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 8.0, 6.0, 1.0, 4.0, 0.0, 3 };
+	struct_108byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 9.0, 2.0, 6.0, 5.0, 3.0, 2 };
+	struct_108byte res_dbl;
+
+	cls_struct_fields[0] = &ffi_type_double;
+	cls_struct_fields[1] = &ffi_type_double;
+	cls_struct_fields[2] = &ffi_type_double;
+	cls_struct_fields[3] = &ffi_type_double;
+	cls_struct_fields[4] = &ffi_type_double;
+	cls_struct_fields[5] = &ffi_type_double;
+	cls_struct_fields[6] = &ffi_type_double;
+	cls_struct_fields[7] = &ffi_type_double;
+	cls_struct_fields[8] = &ffi_type_double;
+	cls_struct_fields[9] = &ffi_type_double;
+	cls_struct_fields[10] = &ffi_type_double;
+	cls_struct_fields[11] = &ffi_type_double;
+	cls_struct_fields[12] = &ffi_type_double;
+	cls_struct_fields[13] = &ffi_type_sint32;
+	cls_struct_fields[14] = NULL;
+
+	dbl_arg_types[0] = &cls_struct_type;
+	dbl_arg_types[1] = &cls_struct_type;
+	dbl_arg_types[2] = &cls_struct_type;
+	dbl_arg_types[3] = &cls_struct_type;
+	dbl_arg_types[4] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		dbl_arg_types) == FFI_OK);
+
+	args_dbl[0] = &e_dbl;
+	args_dbl[1] = &f_dbl;
+	args_dbl[2] = &g_dbl;
+	args_dbl[3] = &h_dbl;
+	args_dbl[4] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_struct_108byte_fn), &res_dbl, args_dbl);
+	/* { dg-output "22 15 17 25 6 13 19 18 22 15 17 25 6 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i,
+		res_dbl.j, res_dbl.k, res_dbl.l, res_dbl.m, res_dbl.n);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 22 15 17 25 6 16" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_108byte_gn, NULL, code) == FFI_OK);
+
+	res_dbl = ((struct_108byte(*)(struct_108byte, struct_108byte,
+		struct_108byte, struct_108byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl);
+	/* { dg-output "\n22 15 17 25 6 13 19 18 22 15 17 25 6 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i,
+		res_dbl.j, res_dbl.k, res_dbl.l, res_dbl.m, res_dbl.n);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 22 15 17 25 6 16" } */
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/stret_large2.c b/testsuite/libffi.call/stret_large2.c
new file mode 100644
index 0000000..e2599d2
--- /dev/null
+++ b/testsuite/libffi.call/stret_large2.c
@@ -0,0 +1,148 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check structure returning with different structure size.
+				Depending on the ABI. Check bigger struct which overlaps
+				the gp and fp register count on Darwin/AIX/ppc64.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin	6/21/2007	*/
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-*  } } */
+#include "ffitest.h"
+
+// 13 FPRs: 104 bytes
+// 14 FPRs: 112 bytes
+
+typedef struct struct_116byte {
+	double a;
+	double b;
+	double c;
+	double d;
+	double e;
+	double f;
+	double g;
+	double h;
+	double i;
+	double j;
+	double k;
+	double l;
+	double m;
+	double n;
+	int o;
+} struct_116byte;
+
+struct_116byte cls_struct_116byte_fn(
+	struct_116byte b0,
+	struct_116byte b1,
+	struct_116byte b2,
+	struct_116byte b3)
+{
+	struct_116byte	result;
+
+	result.a = b0.a + b1.a + b2.a + b3.a;
+	result.b = b0.b + b1.b + b2.b + b3.b;
+	result.c = b0.c + b1.c + b2.c + b3.c;
+	result.d = b0.d + b1.d + b2.d + b3.d;
+	result.e = b0.e + b1.e + b2.e + b3.e;
+	result.f = b0.f + b1.f + b2.f + b3.f;
+	result.g = b0.g + b1.g + b2.g + b3.g;
+	result.h = b0.h + b1.h + b2.h + b3.h;
+	result.i = b0.i + b1.i + b2.i + b3.i;
+	result.j = b0.j + b1.j + b2.j + b3.j;
+	result.k = b0.k + b1.k + b2.k + b3.k;
+	result.l = b0.l + b1.l + b2.l + b3.l;
+	result.m = b0.m + b1.m + b2.m + b3.m;
+	result.n = b0.n + b1.n + b2.n + b3.n;
+	result.o = b0.o + b1.o + b2.o + b3.o;
+
+	printf("%g %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", result.a, result.b, result.c,
+		result.d, result.e, result.f, result.g, result.h, result.i,
+		result.j, result.k, result.l, result.m, result.n, result.o);
+
+	return result;
+}
+
+static void
+cls_struct_116byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
+{
+	struct_116byte	b0, b1, b2, b3;
+
+	b0 = *(struct_116byte*)(args[0]);
+	b1 = *(struct_116byte*)(args[1]);
+	b2 = *(struct_116byte*)(args[2]);
+	b3 = *(struct_116byte*)(args[3]);
+
+	*(struct_116byte*)resp = cls_struct_116byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args_dbl[5];
+	ffi_type* cls_struct_fields[16];
+	ffi_type cls_struct_type;
+	ffi_type* dbl_arg_types[5];
+
+	cls_struct_type.size = 0;
+	cls_struct_type.alignment = 0;
+	cls_struct_type.type = FFI_TYPE_STRUCT;
+	cls_struct_type.elements = cls_struct_fields;
+
+	struct_116byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 7 };
+	struct_116byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4.0, 5.0, 7.0, 9.0, 1.0, 6.0, 4 };
+	struct_116byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 8.0, 6.0, 1.0, 4.0, 0.0, 7.0, 3 };
+	struct_116byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 9.0, 2.0, 6.0, 5.0, 3.0, 8.0, 2 };
+	struct_116byte res_dbl;
+
+	cls_struct_fields[0] = &ffi_type_double;
+	cls_struct_fields[1] = &ffi_type_double;
+	cls_struct_fields[2] = &ffi_type_double;
+	cls_struct_fields[3] = &ffi_type_double;
+	cls_struct_fields[4] = &ffi_type_double;
+	cls_struct_fields[5] = &ffi_type_double;
+	cls_struct_fields[6] = &ffi_type_double;
+	cls_struct_fields[7] = &ffi_type_double;
+	cls_struct_fields[8] = &ffi_type_double;
+	cls_struct_fields[9] = &ffi_type_double;
+	cls_struct_fields[10] = &ffi_type_double;
+	cls_struct_fields[11] = &ffi_type_double;
+	cls_struct_fields[12] = &ffi_type_double;
+	cls_struct_fields[13] = &ffi_type_double;
+	cls_struct_fields[14] = &ffi_type_sint32;
+	cls_struct_fields[15] = NULL;
+
+	dbl_arg_types[0] = &cls_struct_type;
+	dbl_arg_types[1] = &cls_struct_type;
+	dbl_arg_types[2] = &cls_struct_type;
+	dbl_arg_types[3] = &cls_struct_type;
+	dbl_arg_types[4] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		dbl_arg_types) == FFI_OK);
+
+	args_dbl[0] = &e_dbl;
+	args_dbl[1] = &f_dbl;
+	args_dbl[2] = &g_dbl;
+	args_dbl[3] = &h_dbl;
+	args_dbl[4] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_struct_116byte_fn), &res_dbl, args_dbl);
+	/* { dg-output "22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i,
+		res_dbl.j, res_dbl.k, res_dbl.l, res_dbl.m, res_dbl.n, res_dbl.o);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_116byte_gn, NULL, code) == FFI_OK);
+
+	res_dbl = ((struct_116byte(*)(struct_116byte, struct_116byte,
+		struct_116byte, struct_116byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl);
+	/* { dg-output "\n22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", res_dbl.a, res_dbl.b,
+		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i,
+		res_dbl.j, res_dbl.k, res_dbl.l, res_dbl.m, res_dbl.n, res_dbl.o);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/stret_medium.c b/testsuite/libffi.call/stret_medium.c
new file mode 100644
index 0000000..1fc6a9e
--- /dev/null
+++ b/testsuite/libffi.call/stret_medium.c
@@ -0,0 +1,124 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check structure returning with different structure size.
+				Depending on the ABI. Check bigger struct which overlaps
+				the gp and fp register count on Darwin/AIX/ppc64.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin	6/21/2007	*/
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-*  } } */
+#include "ffitest.h"
+
+typedef struct struct_72byte {
+	double a;
+	double b;
+	double c;
+	double d;
+	double e;
+	double f;
+	double g;
+	double h;
+	double i;
+} struct_72byte;
+
+struct_72byte cls_struct_72byte_fn(
+	struct_72byte b0,
+	struct_72byte b1,
+	struct_72byte b2,
+	struct_72byte b3)
+{
+	struct_72byte	result;
+
+	result.a = b0.a + b1.a + b2.a + b3.a;
+	result.b = b0.b + b1.b + b2.b + b3.b;
+	result.c = b0.c + b1.c + b2.c + b3.c;
+	result.d = b0.d + b1.d + b2.d + b3.d;
+	result.e = b0.e + b1.e + b2.e + b3.e;
+	result.f = b0.f + b1.f + b2.f + b3.f;
+	result.g = b0.g + b1.g + b2.g + b3.g;
+	result.h = b0.h + b1.h + b2.h + b3.h;
+	result.i = b0.i + b1.i + b2.i + b3.i;
+
+	printf("%g %g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
+		result.d, result.e, result.f, result.g, result.h, result.i);
+
+	return result;
+}
+
+static void
+cls_struct_72byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
+{
+	struct_72byte	b0, b1, b2, b3;
+
+	b0 = *(struct_72byte*)(args[0]);
+	b1 = *(struct_72byte*)(args[1]);
+	b2 = *(struct_72byte*)(args[2]);
+	b3 = *(struct_72byte*)(args[3]);
+
+	*(struct_72byte*)resp = cls_struct_72byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args_dbl[5];
+	ffi_type* cls_struct_fields[10];
+	ffi_type cls_struct_type;
+	ffi_type* dbl_arg_types[5];
+
+	cls_struct_type.size = 0;
+	cls_struct_type.alignment = 0;
+	cls_struct_type.type = FFI_TYPE_STRUCT;
+	cls_struct_type.elements = cls_struct_fields;
+
+	struct_72byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 7.0 };
+	struct_72byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4.0 };
+	struct_72byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 3.0 };
+	struct_72byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 2.0 };
+	struct_72byte res_dbl;
+
+	cls_struct_fields[0] = &ffi_type_double;
+	cls_struct_fields[1] = &ffi_type_double;
+	cls_struct_fields[2] = &ffi_type_double;
+	cls_struct_fields[3] = &ffi_type_double;
+	cls_struct_fields[4] = &ffi_type_double;
+	cls_struct_fields[5] = &ffi_type_double;
+	cls_struct_fields[6] = &ffi_type_double;
+	cls_struct_fields[7] = &ffi_type_double;
+	cls_struct_fields[8] = &ffi_type_double;
+	cls_struct_fields[9] = NULL;
+
+	dbl_arg_types[0] = &cls_struct_type;
+	dbl_arg_types[1] = &cls_struct_type;
+	dbl_arg_types[2] = &cls_struct_type;
+	dbl_arg_types[3] = &cls_struct_type;
+	dbl_arg_types[4] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		dbl_arg_types) == FFI_OK);
+
+	args_dbl[0] = &e_dbl;
+	args_dbl[1] = &f_dbl;
+	args_dbl[2] = &g_dbl;
+	args_dbl[3] = &h_dbl;
+	args_dbl[4] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_struct_72byte_fn), &res_dbl, args_dbl);
+	/* { dg-output "22 15 17 25 6 13 19 18 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
+		res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_72byte_gn, NULL, code) == FFI_OK);
+
+	res_dbl = ((struct_72byte(*)(struct_72byte, struct_72byte,
+		struct_72byte, struct_72byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl);
+	/* { dg-output "\n22 15 17 25 6 13 19 18 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
+		res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/stret_medium2.c b/testsuite/libffi.call/stret_medium2.c
new file mode 100644
index 0000000..1692c2d
--- /dev/null
+++ b/testsuite/libffi.call/stret_medium2.c
@@ -0,0 +1,124 @@
+/* Area:		ffi_call, closure_call
+   Purpose:		Check structure returning with different structure size.
+				Depending on the ABI. Check bigger struct which overlaps
+				the gp and fp register count on Darwin/AIX/ppc64.
+   Limitations:	none.
+   PR:			none.
+   Originator:	Blake Chaffin	6/21/2007	*/
+
+/* { dg-do run { xfail strongarm*-*-* xscale*-*-*  } } */
+#include "ffitest.h"
+
+typedef struct struct_72byte {
+	double a;
+	double b;
+	double c;
+	double d;
+	double e;
+	double f;
+	double g;
+	double h;
+	long long i;
+} struct_72byte;
+
+struct_72byte cls_struct_72byte_fn(
+	struct_72byte b0,
+	struct_72byte b1,
+	struct_72byte b2,
+	struct_72byte b3)
+{
+	struct_72byte	result;
+
+	result.a = b0.a + b1.a + b2.a + b3.a;
+	result.b = b0.b + b1.b + b2.b + b3.b;
+	result.c = b0.c + b1.c + b2.c + b3.c;
+	result.d = b0.d + b1.d + b2.d + b3.d;
+	result.e = b0.e + b1.e + b2.e + b3.e;
+	result.f = b0.f + b1.f + b2.f + b3.f;
+	result.g = b0.g + b1.g + b2.g + b3.g;
+	result.h = b0.h + b1.h + b2.h + b3.h;
+	result.i = b0.i + b1.i + b2.i + b3.i;
+
+	printf("%g %g %g %g %g %g %g %g %" PRIdLL "\n", result.a, result.b, result.c,
+		result.d, result.e, result.f, result.g, result.h, result.i);
+
+	return result;
+}
+
+static void
+cls_struct_72byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
+{
+	struct_72byte	b0, b1, b2, b3;
+
+	b0 = *(struct_72byte*)(args[0]);
+	b1 = *(struct_72byte*)(args[1]);
+	b2 = *(struct_72byte*)(args[2]);
+	b3 = *(struct_72byte*)(args[3]);
+
+	*(struct_72byte*)resp = cls_struct_72byte_fn(b0, b1, b2, b3);
+}
+
+int main (void)
+{
+	ffi_cif cif;
+        void *code;
+	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+	void* args_dbl[5];
+	ffi_type* cls_struct_fields[10];
+	ffi_type cls_struct_type;
+	ffi_type* dbl_arg_types[5];
+
+	cls_struct_type.size = 0;
+	cls_struct_type.alignment = 0;
+	cls_struct_type.type = FFI_TYPE_STRUCT;
+	cls_struct_type.elements = cls_struct_fields;
+
+	struct_72byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 7 };
+	struct_72byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4 };
+	struct_72byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 3 };
+	struct_72byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 2 };
+	struct_72byte res_dbl;
+
+	cls_struct_fields[0] = &ffi_type_double;
+	cls_struct_fields[1] = &ffi_type_double;
+	cls_struct_fields[2] = &ffi_type_double;
+	cls_struct_fields[3] = &ffi_type_double;
+	cls_struct_fields[4] = &ffi_type_double;
+	cls_struct_fields[5] = &ffi_type_double;
+	cls_struct_fields[6] = &ffi_type_double;
+	cls_struct_fields[7] = &ffi_type_double;
+	cls_struct_fields[8] = &ffi_type_sint64;
+	cls_struct_fields[9] = NULL;
+
+	dbl_arg_types[0] = &cls_struct_type;
+	dbl_arg_types[1] = &cls_struct_type;
+	dbl_arg_types[2] = &cls_struct_type;
+	dbl_arg_types[3] = &cls_struct_type;
+	dbl_arg_types[4] = NULL;
+
+	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
+		dbl_arg_types) == FFI_OK);
+
+	args_dbl[0] = &e_dbl;
+	args_dbl[1] = &f_dbl;
+	args_dbl[2] = &g_dbl;
+	args_dbl[3] = &h_dbl;
+	args_dbl[4] = NULL;
+
+	ffi_call(&cif, FFI_FN(cls_struct_72byte_fn), &res_dbl, args_dbl);
+	/* { dg-output "22 15 17 25 6 13 19 18 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %" PRIdLL "\n", res_dbl.a, res_dbl.b, res_dbl.c,
+		res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
+
+	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_72byte_gn, NULL, code) == FFI_OK);
+
+	res_dbl = ((struct_72byte(*)(struct_72byte, struct_72byte,
+		struct_72byte, struct_72byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl);
+	/* { dg-output "\n22 15 17 25 6 13 19 18 16" } */
+	printf("res: %g %g %g %g %g %g %g %g %" PRIdLL "\n", res_dbl.a, res_dbl.b, res_dbl.c,
+		res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
+	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
+
+	exit(0);
+}
diff --git a/testsuite/libffi.call/strlen.c b/testsuite/libffi.call/strlen.c
new file mode 100644
index 0000000..3de45de
--- /dev/null
+++ b/testsuite/libffi.call/strlen.c
@@ -0,0 +1,44 @@
+/* Area:	ffi_call
+   Purpose:	Check strlen function call.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+static size_t my_strlen(char *s)
+{
+  return (strlen(s));
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+  char *s;
+
+  args[0] = &ffi_type_pointer;
+  values[0] = (void*) &s;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+		     &ffi_type_sint, args) == FFI_OK);
+  
+  s = "a";
+  ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
+  CHECK(rint == 1);
+  
+  s = "1234567";
+  ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
+  CHECK(rint == 7);
+  
+  s = "1234567890123456789012345";
+  ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
+  CHECK(rint == 25);
+  
+  exit (0);
+}
+  
diff --git a/testsuite/libffi.call/strlen_win32.c b/testsuite/libffi.call/strlen_win32.c
new file mode 100644
index 0000000..6fbcc87
--- /dev/null
+++ b/testsuite/libffi.call/strlen_win32.c
@@ -0,0 +1,44 @@
+/* Area:	ffi_call
+   Purpose:	Check stdcall strlen call on X86_WIN32 systems.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
+
+#include "ffitest.h"
+
+static size_t __attribute__((stdcall)) my_stdcall_strlen(char *s)
+{
+  return (strlen(s));
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+  char *s;
+  args[0] = &ffi_type_pointer;
+  values[0] = (void*) &s;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_STDCALL, 1,
+		       &ffi_type_sint, args) == FFI_OK);
+  
+  s = "a";
+  ffi_call(&cif, FFI_FN(my_stdcall_strlen), &rint, values);
+  CHECK(rint == 1);
+  
+  s = "1234567";
+  ffi_call(&cif, FFI_FN(my_stdcall_strlen), &rint, values);
+  CHECK(rint == 7);
+  
+  s = "1234567890123456789012345";
+  ffi_call(&cif, FFI_FN(my_stdcall_strlen), &rint, values);
+  CHECK(rint == 25);
+  
+  printf("stdcall strlen tests passed\n");
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct1.c b/testsuite/libffi.call/struct1.c
new file mode 100644
index 0000000..ea76c85
--- /dev/null
+++ b/testsuite/libffi.call/struct1.c
@@ -0,0 +1,65 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  unsigned char uc;
+  double d;
+  unsigned int ui;
+} test_structure_1;
+
+static test_structure_1 struct1(test_structure_1 ts)
+{
+  ts.uc++;
+  ts.d--;
+  ts.ui++;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts1_type;
+  ffi_type *ts1_type_elements[4];
+  ts1_type.size = 0;
+  ts1_type.alignment = 0;
+  ts1_type.type = FFI_TYPE_STRUCT;
+  ts1_type.elements = ts1_type_elements;
+  ts1_type_elements[0] = &ffi_type_uchar;
+  ts1_type_elements[1] = &ffi_type_double;
+  ts1_type_elements[2] = &ffi_type_uint;
+  ts1_type_elements[3] = NULL;
+  
+  test_structure_1 ts1_arg;
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_1 *ts1_result = 
+    (test_structure_1 *) malloc (sizeof(test_structure_1));
+  
+  args[0] = &ts1_type;
+  values[0] = &ts1_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+		     &ts1_type, args) == FFI_OK);
+  
+  ts1_arg.uc = '\x01';
+  ts1_arg.d = 3.14159;
+  ts1_arg.ui = 555;
+
+  ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
+  
+  CHECK(ts1_result->ui == 556);
+  CHECK(ts1_result->d == 3.14159 - 1);
+ 
+  free (ts1_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct2.c b/testsuite/libffi.call/struct2.c
new file mode 100644
index 0000000..14bc9fd
--- /dev/null
+++ b/testsuite/libffi.call/struct2.c
@@ -0,0 +1,67 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  double d1;
+  double d2;
+} test_structure_2;
+
+static test_structure_2 struct2(test_structure_2 ts)
+{
+  ts.d1--;
+  ts.d2--;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  test_structure_2 ts2_arg;
+  ffi_type ts2_type;
+  ffi_type *ts2_type_elements[3];
+  ts2_type.size = 0;
+  ts2_type.alignment = 0;
+  ts2_type.type = FFI_TYPE_STRUCT;
+  ts2_type.elements = ts2_type_elements;
+  ts2_type_elements[0] = &ffi_type_double;
+  ts2_type_elements[1] = &ffi_type_double;
+  ts2_type_elements[2] = NULL;
+
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_2 *ts2_result = 
+    (test_structure_2 *) malloc (sizeof(test_structure_2));
+  
+  args[0] = &ts2_type;
+  values[0] = &ts2_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
+  
+  ts2_arg.d1 = 5.55;
+  ts2_arg.d2 = 6.66;
+  
+  printf ("%g\n", ts2_arg.d1);
+  printf ("%g\n", ts2_arg.d2);
+  
+  ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
+  
+  printf ("%g\n", ts2_result->d1);
+  printf ("%g\n", ts2_result->d2);
+  
+  CHECK(ts2_result->d1 == 5.55 - 1);
+  CHECK(ts2_result->d2 == 6.66 - 1);
+  
+  free (ts2_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct3.c b/testsuite/libffi.call/struct3.c
new file mode 100644
index 0000000..e0bb09b
--- /dev/null
+++ b/testsuite/libffi.call/struct3.c
@@ -0,0 +1,59 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  int si;
+} test_structure_3;
+
+static test_structure_3 struct3(test_structure_3 ts)
+{
+  ts.si = -(ts.si*2);
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  int compare_value;
+  ffi_type ts3_type;
+  ffi_type *ts3_type_elements[2];
+  ts3_type.size = 0;
+  ts3_type.alignment = 0;
+  ts3_type.type = FFI_TYPE_STRUCT;
+  ts3_type.elements = ts3_type_elements;
+  ts3_type_elements[0] = &ffi_type_sint;
+  ts3_type_elements[1] = NULL;
+
+  test_structure_3 ts3_arg;
+  test_structure_3 *ts3_result = 
+    (test_structure_3 *) malloc (sizeof(test_structure_3));
+  
+  args[0] = &ts3_type;
+  values[0] = &ts3_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+		     &ts3_type, args) == FFI_OK);
+  
+  ts3_arg.si = -123;
+  compare_value = ts3_arg.si;
+  
+  ffi_call(&cif, FFI_FN(struct3), ts3_result, values);
+  
+  printf ("%d %d\n", ts3_result->si, -(compare_value*2));
+  
+  CHECK(ts3_result->si == -(compare_value*2));
+ 
+  free (ts3_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct4.c b/testsuite/libffi.call/struct4.c
new file mode 100644
index 0000000..0ad0a83
--- /dev/null
+++ b/testsuite/libffi.call/struct4.c
@@ -0,0 +1,63 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  unsigned ui1;
+  unsigned ui2;
+  unsigned ui3;
+} test_structure_4;
+
+static test_structure_4 struct4(test_structure_4 ts)
+{
+  ts.ui3 = ts.ui1 * ts.ui2 * ts.ui3;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts4_type;
+  ffi_type *ts4_type_elements[4];  
+  ts4_type.size = 0;
+  ts4_type.alignment = 0;
+  ts4_type.type = FFI_TYPE_STRUCT;
+  test_structure_4 ts4_arg;
+  ts4_type.elements = ts4_type_elements;
+  ts4_type_elements[0] = &ffi_type_uint;
+  ts4_type_elements[1] = &ffi_type_uint;
+  ts4_type_elements[2] = &ffi_type_uint;
+  ts4_type_elements[3] = NULL;
+
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_4 *ts4_result = 
+    (test_structure_4 *) malloc (sizeof(test_structure_4));
+  
+  args[0] = &ts4_type;
+  values[0] = &ts4_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts4_type, args) == FFI_OK);
+  
+  ts4_arg.ui1 = 2;
+  ts4_arg.ui2 = 3;
+  ts4_arg.ui3 = 4;
+  
+  ffi_call (&cif, FFI_FN(struct4), ts4_result, values);
+  
+  CHECK(ts4_result->ui3 == 2U * 3U * 4U);
+ 
+  
+  free (ts4_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct5.c b/testsuite/libffi.call/struct5.c
new file mode 100644
index 0000000..c03cc97
--- /dev/null
+++ b/testsuite/libffi.call/struct5.c
@@ -0,0 +1,65 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+typedef struct
+{
+  char c1;
+  char c2;
+} test_structure_5;
+
+static test_structure_5 struct5(test_structure_5 ts1, test_structure_5 ts2)
+{
+  ts1.c1 += ts2.c1;
+  ts1.c2 -= ts2.c2;
+  
+  return ts1;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts5_type;
+  ffi_type *ts5_type_elements[3];
+  ts5_type.size = 0;
+  ts5_type.alignment = 0;
+  ts5_type.type = FFI_TYPE_STRUCT;
+  ts5_type.elements = ts5_type_elements;
+  ts5_type_elements[0] = &ffi_type_schar;
+  ts5_type_elements[1] = &ffi_type_schar;
+  ts5_type_elements[2] = NULL;
+
+  test_structure_5 ts5_arg1, ts5_arg2;
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_5 *ts5_result = 
+    (test_structure_5 *) malloc (sizeof(test_structure_5));
+  
+  args[0] = &ts5_type;
+  args[1] = &ts5_type;
+  values[0] = &ts5_arg1;
+  values[1] = &ts5_arg2;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ts5_type, args) == FFI_OK);
+  
+  ts5_arg1.c1 = 2;
+  ts5_arg1.c2 = 6;
+  ts5_arg2.c1 = 5;
+  ts5_arg2.c2 = 3;
+  
+  ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
+  
+  CHECK(ts5_result->c1 == 7); 
+  CHECK(ts5_result->c2 == 3);
+  
+  
+  free (ts5_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct6.c b/testsuite/libffi.call/struct6.c
new file mode 100644
index 0000000..83db9af
--- /dev/null
+++ b/testsuite/libffi.call/struct6.c
@@ -0,0 +1,64 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+typedef struct
+{
+  float f;
+  double d;
+} test_structure_6;
+
+static test_structure_6 struct6 (test_structure_6 ts)
+{
+  ts.f += 1;
+  ts.d += 1;
+  
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts6_type;
+  ffi_type *ts6_type_elements[3];
+  ts6_type.size = 0;
+  ts6_type.alignment = 0;
+  ts6_type.type = FFI_TYPE_STRUCT;
+  ts6_type.elements = ts6_type_elements;
+  ts6_type_elements[0] = &ffi_type_float;
+  ts6_type_elements[1] = &ffi_type_double;
+  ts6_type_elements[2] = NULL;
+
+
+  test_structure_6 ts6_arg;
+
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_6 *ts6_result = 
+    (test_structure_6 *) malloc (sizeof(test_structure_6));
+  
+  args[0] = &ts6_type;
+  values[0] = &ts6_arg;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts6_type, args) == FFI_OK);
+  
+  ts6_arg.f = 5.55f;
+  ts6_arg.d = 6.66;
+  
+  printf ("%g\n", ts6_arg.f);
+  printf ("%g\n", ts6_arg.d);
+
+  ffi_call(&cif, FFI_FN(struct6), ts6_result, values);
+    
+  CHECK(ts6_result->f == 5.55f + 1);
+  CHECK(ts6_result->d == 6.66 + 1);
+    
+  free (ts6_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct7.c b/testsuite/libffi.call/struct7.c
new file mode 100644
index 0000000..58aac4c
--- /dev/null
+++ b/testsuite/libffi.call/struct7.c
@@ -0,0 +1,74 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+typedef struct
+{
+  float f1;
+  float f2;
+  double d;
+} test_structure_7;
+
+static test_structure_7 struct7 (test_structure_7 ts)
+{
+  ts.f1 += 1;
+  ts.f2 += 1;
+  ts.d += 1;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts7_type;
+  ffi_type *ts7_type_elements[4];
+  ts7_type.size = 0;
+  ts7_type.alignment = 0;
+  ts7_type.type = FFI_TYPE_STRUCT;
+  ts7_type.elements = ts7_type_elements;
+  ts7_type_elements[0] = &ffi_type_float;
+  ts7_type_elements[1] = &ffi_type_float;
+  ts7_type_elements[2] = &ffi_type_double;
+  ts7_type_elements[3] = NULL;
+
+
+  test_structure_7 ts7_arg;
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_7 *ts7_result = 
+    (test_structure_7 *) malloc (sizeof(test_structure_7));
+  
+  args[0] = &ts7_type;
+  values[0] = &ts7_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts7_type, args) == FFI_OK);
+  
+  ts7_arg.f1 = 5.55f;
+  ts7_arg.f2 = 55.5f;
+  ts7_arg.d = 6.66;
+
+  printf ("%g\n", ts7_arg.f1);
+  printf ("%g\n", ts7_arg.f2);
+  printf ("%g\n", ts7_arg.d);
+  
+  ffi_call(&cif, FFI_FN(struct7), ts7_result, values);
+
+  printf ("%g\n", ts7_result->f1);
+  printf ("%g\n", ts7_result->f2);
+  printf ("%g\n", ts7_result->d);
+  
+  CHECK(ts7_result->f1 == 5.55f + 1);
+  CHECK(ts7_result->f2 == 55.5f + 1);
+  CHECK(ts7_result->d == 6.66 + 1);
+  
+  free (ts7_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct8.c b/testsuite/libffi.call/struct8.c
new file mode 100644
index 0000000..c773ac7
--- /dev/null
+++ b/testsuite/libffi.call/struct8.c
@@ -0,0 +1,80 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+typedef struct
+{
+  float f1;
+  float f2;
+  float f3;
+  float f4;
+} test_structure_8;
+
+static test_structure_8 struct8 (test_structure_8 ts)
+{
+  ts.f1 += 1;
+  ts.f2 += 1;
+  ts.f3 += 1;
+  ts.f4 += 1;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts8_type;
+  ffi_type *ts8_type_elements[5];
+  ts8_type.size = 0;
+  ts8_type.alignment = 0;
+  ts8_type.type = FFI_TYPE_STRUCT;
+  ts8_type.elements = ts8_type_elements;
+  ts8_type_elements[0] = &ffi_type_float;
+  ts8_type_elements[1] = &ffi_type_float;
+  ts8_type_elements[2] = &ffi_type_float;
+  ts8_type_elements[3] = &ffi_type_float;
+  ts8_type_elements[4] = NULL;
+
+  test_structure_8 ts8_arg;
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_8 *ts8_result = 
+    (test_structure_8 *) malloc (sizeof(test_structure_8));
+  
+  args[0] = &ts8_type;
+  values[0] = &ts8_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts8_type, args) == FFI_OK);
+  
+  ts8_arg.f1 = 5.55f;
+  ts8_arg.f2 = 55.5f;
+  ts8_arg.f3 = -5.55f;
+  ts8_arg.f4 = -55.5f;
+
+  printf ("%g\n", ts8_arg.f1);
+  printf ("%g\n", ts8_arg.f2);
+  printf ("%g\n", ts8_arg.f3);
+  printf ("%g\n", ts8_arg.f4);
+  
+  ffi_call(&cif, FFI_FN(struct8), ts8_result, values);
+
+  printf ("%g\n", ts8_result->f1);
+  printf ("%g\n", ts8_result->f2);
+  printf ("%g\n", ts8_result->f3);
+  printf ("%g\n", ts8_result->f4);
+  
+  CHECK(ts8_result->f1 == 5.55f + 1);
+  CHECK(ts8_result->f2 == 55.5f + 1);
+  CHECK(ts8_result->f3 == -5.55f + 1);
+  CHECK(ts8_result->f4 == -55.5f + 1);
+  
+  free (ts8_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/struct9.c b/testsuite/libffi.call/struct9.c
new file mode 100644
index 0000000..f30091f
--- /dev/null
+++ b/testsuite/libffi.call/struct9.c
@@ -0,0 +1,67 @@
+/* Area:	ffi_call
+   Purpose:	Check structures.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct
+{
+  float f;
+  int i;
+} test_structure_9;
+
+static test_structure_9 struct9 (test_structure_9 ts)
+{
+  ts.f += 1;
+  ts.i += 1;
+
+  return ts;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_type ts9_type;
+  ffi_type *ts9_type_elements[3];
+  ts9_type.size = 0;
+  ts9_type.alignment = 0;
+  ts9_type.type = FFI_TYPE_STRUCT;
+  ts9_type.elements = ts9_type_elements;
+  ts9_type_elements[0] = &ffi_type_float;
+  ts9_type_elements[1] = &ffi_type_sint;
+  ts9_type_elements[2] = NULL;
+
+  test_structure_9 ts9_arg;
+  
+  /* This is a hack to get a properly aligned result buffer */
+  test_structure_9 *ts9_result = 
+    (test_structure_9 *) malloc (sizeof(test_structure_9));
+  
+  args[0] = &ts9_type;
+  values[0] = &ts9_arg;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts9_type, args) == FFI_OK);
+  
+  ts9_arg.f = 5.55f;
+  ts9_arg.i = 5;
+  
+  printf ("%g\n", ts9_arg.f);
+  printf ("%d\n", ts9_arg.i);
+  
+  ffi_call(&cif, FFI_FN(struct9), ts9_result, values);
+
+  printf ("%g\n", ts9_result->f);
+  printf ("%d\n", ts9_result->i);
+  
+  CHECK(ts9_result->f == 5.55f + 1);
+  CHECK(ts9_result->i == 5 + 1);
+
+  free (ts9_result);
+  exit(0);
+}
diff --git a/testsuite/libffi.call/testclosure.c b/testsuite/libffi.call/testclosure.c
new file mode 100644
index 0000000..161cc89
--- /dev/null
+++ b/testsuite/libffi.call/testclosure.c
@@ -0,0 +1,70 @@
+/* Area:	closure_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		41908.
+   Originator:	<rfm@gnu.org> 20091102	 */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+typedef struct cls_struct_combined {
+  float a;
+  float b;
+  float c;
+  float d;
+} cls_struct_combined;
+
+void cls_struct_combined_fn(struct cls_struct_combined arg)
+{
+  printf("%g %g %g %g\n",
+	 arg.a, arg.b,
+	 arg.c, arg.d);
+  fflush(stdout);
+}
+
+static void
+cls_struct_combined_gn(ffi_cif* cif __UNUSED__, void* resp __UNUSED__,
+        void** args, void* userdata __UNUSED__)
+{
+  struct cls_struct_combined a0;
+
+  a0 = *(struct cls_struct_combined*)(args[0]);
+
+  cls_struct_combined_fn(a0);
+}
+
+
+int main (void)
+{
+  ffi_cif cif;
+  void *code;
+  ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
+  ffi_type* cls_struct_fields0[5];
+  ffi_type cls_struct_type0;
+  ffi_type* dbl_arg_types[5];
+
+  cls_struct_type0.size = 0;
+  cls_struct_type0.alignment = 0;
+  cls_struct_type0.type = FFI_TYPE_STRUCT;
+  cls_struct_type0.elements = cls_struct_fields0;
+
+  struct cls_struct_combined g_dbl = {4.0, 5.0, 1.0, 8.0};
+
+  cls_struct_fields0[0] = &ffi_type_float;
+  cls_struct_fields0[1] = &ffi_type_float;
+  cls_struct_fields0[2] = &ffi_type_float;
+  cls_struct_fields0[3] = &ffi_type_float;
+  cls_struct_fields0[4] = NULL;
+
+  dbl_arg_types[0] = &cls_struct_type0;
+  dbl_arg_types[1] = NULL;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ffi_type_void,
+		     dbl_arg_types) == FFI_OK);
+
+  CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_combined_gn, NULL, code) == FFI_OK);
+
+  ((void(*)(cls_struct_combined)) (code))(g_dbl);
+  /* { dg-output "4 5 1 8" } */
+  exit(0);
+}