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/* { dg-do compile } */
/* { dg-additional-options "-msse2" { target sse2 } } */
void swap(short *p, int cnt)
{
while (cnt-- > 0)
{
*p = ((*p << 8) & 0xFF00) | ((*p >> 8) & 0x00FF);
++p;
}
}
/* Dependence analysis should not fail. */
/* { dg-final { scan-tree-dump "dependence distance == 0" "vect" } } */
/* On x86 with SSE2 we can vectorize this with psllw/psrlw. */
/* { dg-final { scan-tree-dump "loop vectorized" "vect" { target sse2 } } } */
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