1/* Test that the compiler properly optimizes vector rotate instructions vector
2   into prot on XOP systems.  */
3
4/* { dg-do compile { target { ! { ia32 } } } } */
5/* { dg-options "-O2 -mxop -mno-avx2 -ftree-vectorize" } */
6
7extern void exit (int);
8extern void right_rotate (void);
9
10typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));
11
12#define SIZE 10240
13
14union {
15  __m128i i_align;
16  unsigned u32[SIZE];
17} a, b, c;
18
19void
20right_rotate32_b (void)
21{
22  int i;
23
24  for (i = 0; i < SIZE; i++)
25    a.u32[i] = (b.u32[i] >> ((sizeof (int) * 8) - 4)) | (b.u32[i] << 4);
26}
27
28int
29main ()
30{
31  right_rotate ();
32  exit (0);
33}
34
35/* { dg-final { scan-assembler "vprot" } } */
36