[Bug rtl-optimization/56124] Redundant reload for loading from memory

2013-04-18 Thread amker.cheng at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56124 bin.cheng changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|

[Bug rtl-optimization/56124] Redundant reload for loading from memory

2013-01-27 Thread amker.cheng at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56124 --- Comment #1 from bin.cheng 2013-01-28 02:43:10 UTC --- The root cause is in ira:scan_one_insn function. It decrease cost of memory for pseudo which are target of loading from memory: if (set != 0 && REG_P (SET_DEST (set)) && MEM_P