[Bug tree-optimization/46316] [4.6 regression] incorrect loop optimization

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Nov 8 07:03:00 GMT 2010


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46316

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-08 07:03:37 UTC ---
Won't there be similar problem when using TImode IVs on 64-bit targets (e.g.
__int128 or int __attribute__((mode (TI)))) ?
Normally overflows are detected when doing computations on trees rather than
just in double_int.



More information about the Gcc-bugs mailing list