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);
8
9typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));
10
11#define SIZE 10240
12
13union {
14  __m128i i_align;
15  unsigned u32[SIZE];
16} a, b, c;
17
18void
19left_rotate32 (void)
20{
21  int i;
22
23  for (i = 0; i < SIZE; i++)
24    a.u32[i] = (b.u32[i] << ((sizeof (int) * 8) - 4)) | (b.u32[i] >> 4);
25}
26
27int
28main ()
29{
30  left_rotate32 ();
31  exit (0);
32}
33
34/* { dg-final { scan-assembler "vprotd" } } */
35