1 /* PR tree-optimization/86401 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */
4 /* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 2 "optimized" } } */
5 
6 unsigned int
f1(unsigned int x,unsigned int s)7 f1 (unsigned int x, unsigned int s)
8 {
9   unsigned int t = s % (__CHAR_BIT__ * __SIZEOF_INT__);
10   return (x << t) | (x >> (((__CHAR_BIT__ * __SIZEOF_INT__) - t) % (__CHAR_BIT__ * __SIZEOF_INT__)));
11 }
12 
13 unsigned int
f2(unsigned int x,unsigned int s)14 f2 (unsigned int x, unsigned int s)
15 {
16   int n = __CHAR_BIT__ * __SIZEOF_INT__;
17   unsigned int t = s % n;
18   return (x << t) | (x >> ((n - t) % n));
19 }
20