Subversion Repositories openrisc_2011-10-31

/* 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
right_rotate32_b (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 ()
{
  right_rotate ();
  exit (0);
}
 
/* { dg-final { scan-assembler "vprot" } } */