------- Comment #3 from lucier at math dot purdue dot edu 2009-04-27 15:07 ------- Subject: Re: 96% performance regression in floating point code; part of the problem started 2009/03/12-13
On Sun, 2009-04-26 at 18:43 +0000, ubizjak at gmail dot com wrote: > > > ------- Comment #1 from ubizjak at gmail dot com 2009-04-26 18:43 ------- > There are a couple of possible candidates in this range: > > URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144812 > Log: > 2009-03-12 Vladimir Makarov <vmaka...@redhat.com> > > PR debug/39432 > * ira-int.h (struct allocno): Fix comment for calls_crossed_num. > * ira-conflicts.c (ira_build_conflicts): Prohibit call used > registers for allocnos created from user-defined variables. The problem exists in gcc version 4.4.0 20090312 (experimental) [trunk revision 144812] (GCC) So perhaps it's this checkin. Brad -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39914
