| /* { 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 } } } */ |