------- Comment #2 from pinskia at gcc dot gnu dot org 2008-12-29 03:46 ------- Actually this comes down to optimizing: int f(int a) { if (a) return a +4; return 0; }
Into the sequence which is mentioned, that is using subtract with borrow and such. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|c++ |target Ever Confirmed|0 |1 GCC target triplet| |i?86-*-* Keywords| |missed-optimization Last reconfirmed|0000-00-00 00:00:00 |2008-12-29 03:46:15 date| | Summary|Should cast pointers and |a?a+C:0 can be done |references more efficiently |branchless |and safely | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35766