[Bug rtl-optimization/50663] conditional propagation missed in cprop.c pass

2011-11-17 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50663 Eric Botcazou changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug rtl-optimization/50663] conditional propagation missed in cprop.c pass

2011-11-17 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50663 --- Comment #2 from Eric Botcazou 2011-11-17 17:11:30 UTC --- Author: ebotcazou Date: Thu Nov 17 17:11:16 2011 New Revision: 181446 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181446 Log: PR rtl-optimization/50663 * cprop.c (im

[Bug rtl-optimization/50663] conditional propagation missed in cprop.c pass

2011-10-10 Thread steven at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50663 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/50663] conditional propagation missed in cprop.c pass

2011-10-08 Thread amker.cheng at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50663 --- Comment #1 from amker.cheng 2011-10-08 10:25:04 UTC --- Here comes the cause: Though the cprop.c pass collected the implicit_set information, it is recorded as local info of basic block, and cprop only does global propagation. The result is