http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50107
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-17 19:22:51 UTC --- (In reply to comment #2) > I guess something wrong with hard register preferencing for multi-register > pseudos in ira-color.c::ira_assign. I believe it works fine for one-register > pseudos. I'll look at this. Thanks for reporting. > Does IRA choose caller-saved register over callee-saved registers? For multi-register pseudos, one of hard register may be callee-saved.
