------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-31 16:19 ------- Confirmed, between t41.copyrename2 and t42.dom2, the V_MAY_DEF is removed. After *next_8 = 7;
Before: # TMT.51_18 = V_MAY_DEF <TMT.51_4>; *dest_2 = 7; I think we are forgetting to copy the alias info. I think this is fixed by the patch for PR 23509: http://gcc.gnu.org/ml/gcc-patches/2005-08/msg01647.html The tree-cfg.c part that is. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Component|c |tree-optimization Ever Confirmed| |1 GCC build triplet|i686-pc-linux-gnu | GCC host triplet|i686-pc-linux-gnu | GCC target triplet|i686-pc-linux-gnu | Keywords| |alias, wrong-code Last reconfirmed|0000-00-00 00:00:00 |2005-08-31 16:19:38 date| | Summary|Wrong code generated: too |[4.1 Regression] Wrong code |much optimized out |generated: too much | |optimized out Target Milestone|--- |4.1.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23657
