1 /* { dg-do compile } */
2 /* { dg-options "-O2 -m64 -fdump-tree-optimized" } */
3 
foo(unsigned long long a,unsigned long long b)4 unsigned __int128 foo(unsigned long long a, unsigned long long b)
5 {
6    return (unsigned __int128)a * (unsigned __int128)b;
7 }
8 
9 /* { dg-final { scan-tree-dump " w\\* " "optimized" } } */
10