subject:"\[Bug rtl\-optimization\/52208\] \[4.7 Regression\] Useless store"

[Bug rtl-optimization/52208] [4.7 Regression] Useless store

2012-02-20 Thread jakub at gcc dot gnu.org

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52208 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|

[Bug rtl-optimization/52208] [4.7 Regression] Useless store

2012-02-16 Thread jakub at gcc dot gnu.org

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52208 --- Comment #5 from Jakub Jelinek 2012-02-16 15:34:35 UTC --- Author: jakub Date: Thu Feb 16 15:34:28 2012 New Revision: 184310 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184310 Log: PR rtl-optimization/52208 * ira-costs.c (sc

[Bug rtl-optimization/52208] [4.7 Regression] Useless store

2012-02-15 Thread vmakarov at redhat dot com

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52208 Vladimir Makarov changed: What|Removed |Added CC||vmakarov at redhat dot com --- Comment

[Bug rtl-optimization/52208] [4.7 Regression] Useless store

2012-02-14 Thread jakub at gcc dot gnu.org

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52208 --- Comment #3 from Jakub Jelinek 2012-02-14 13:58:44 UTC --- The -1000 costs comes from the scan_one_insn subtracting there ira_memory_move_cost[][][] * frequency (i.e. memory_cost becomes -4000) and on the plus we add just 3000 to memory_cost.