aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.4.3/gcc/testsuite/gcc.target/i386/sse5-rotate3-vector.c
blob: de7272439ab44f5a21d08b731faf08c9a81ec026 (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
/* Test that the compiler properly optimizes vector rotate instructions vector
   into prot on SSE5 systems.  */

/* { dg-do compile } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O2 -msse5 -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
vector_rotate32 (void)
{
  int i;

  for (i = 0; i < SIZE; i++)
    a.u32[i] = (b.u32[i] >> ((sizeof (int) * 8) - c.u32[i])) | (b.u32[i] << c.u32[i]);
}

int main ()
{
  vector_rotate32 ();
  exit (0);
}

/* { dg-final { scan-assembler "protd" } } */