/* { dg-do compile } */ /* { dg-options "-O3 -mtune=generic -fdump-tree-slp2-details" } */ typedef struct uint64_pair uint64_pair_t ; struct uint64_pair { unsigned long w0 ; unsigned long w1 ; } ; uint64_pair_t pair(int num) { uint64_pair_t p ; p.w0 = num << 1 ; p.w1 = num >> 1 ; return p ; } /* { dg-final { scan-tree-dump-not "optimized: basic block" "slp2" } } */