[Bug c/38856] loop iv detection failure, SSA autoincrement

2009-01-15 Thread sergei_lus at yahoo dot com
--- Comment #2 from sergei_lus at yahoo dot com 2009-01-15 21:03 --- Andrew, thank you for the prompt reply. I have seen PR 31849 and used the patch suggested. Without it autoincrement would not work at all for either case. But the patch seems to deal with the case when iv _were_ detec

[Bug c/38856] loop iv detection failure, SSA autoincrement

2009-01-15 Thread pinskia at gcc dot gnu dot org
--- Comment #1 from pinskia at gcc dot gnu dot org 2009-01-15 18:41 --- Well first off, iv-opts on the tree level should be the place where autoincrement is helped out. See PR 31849 which I think this is a duplicate of. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38856