| /* Check that shifts do not get unnecessary extends. |
| See PR66706 for a case where this failed. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-O2" } */ |
| |
| /* Each function should compile to exactly two instructions. */ |
| /* { dg-final { scan-assembler-times {(?n)^\s+[a-z]} 16 } } */ |
| /* { dg-final { scan-assembler-times {(?n)^\s+blr} 8 } } */ |
| |
| |
| typedef unsigned u; |
| typedef signed s; |
| |
| u rot(u x, u n) { return (x << n) | (x >> (32 - n)); } |
| u shl(u x, u n) { return x << n; } |
| u shr(u x, u n) { return x >> n; } |
| s asr(s x, u n) { return x >> n; } |
| |
| u roti(u x) { return (x << 23) | (x >> 9); } |
| u shli(u x) { return x << 23; } |
| u shri(u x) { return x >> 23; } |
| s asri(s x) { return x >> 23; } |