blob: e3ae644d0b51dd1b308659b229f0ee48d60d9c1d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* Test that the compiler properly optimizes vector rotate instructions vector
into prot on XOP systems. */
/* { dg-do compile } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O2 -mxop -ftree-vectorize" } */
extern void exit (int);
typedef long __m128i __attribute__ ((__vector_size__ (16), __may_alias__));
#define SIZE 10240
union {
__m128i i_align;
unsigned u32[SIZE];
} a, b, c;
void
left_rotate32 (void)
{
int i;
for (i = 0; i < SIZE; i++)
a.u32[i] = (b.u32[i] << ((sizeof (int) * 8) - 4)) | (b.u32[i] >> 4);
}
int
main ()
{
left_rotate32 ();
exit (0);
}
/* { dg-final { scan-assembler "vprotd" } } */
|
