1/* PR regression/21897 */
2/* This testcase generates MMX instructions together with x87 instructions.
3   Currently, there is no "emms" generated to switch between register sets,
4   so the testcase fails for targets where MMX insns are enabled.  */
5/* { dg-options "-mno-mmx" { target { x86_64-*-* i?86-*-* } } } */
6
7extern void abort (void);
8
9typedef short v4hi __attribute__ ((vector_size (8)));
10typedef float v4sf __attribute__ ((vector_size (16)));
11
12union
13{
14  v4hi v;
15  short s[4];
16} u;
17
18union
19{
20  v4sf v;
21  float f[4];
22} v;
23
24void
25foo (void)
26{
27  unsigned int i;
28  for (i = 0; i < 2; i++)
29    u.v += (v4hi) { 12, 14 };
30  for (i = 0; i < 2; i++)
31    v.v += (v4sf) { 18.0, 20.0, 22 };
32}
33
34int
35main (void)
36{
37  foo ();
38  if (u.s[0] != 24 || u.s[1] != 28 || u.s[2] || u.s[3])
39    abort ();
40  if (v.f[0] != 36.0 || v.f[1] != 40.0 || v.f[2] != 44.0 || v.f[3] != 0.0)
41    abort ();
42  return 0;
43}
44