------- Additional Comments From amodra at bigpond dot net dot au 2004-11-30 03:57 ------- Hmm, no, that's not quite right. It's nothing to do with the loop begin/end note needing to be recognized in the same analysis pass, but rather that older code emitted two REG_SAVE_NOTEs on each occurence of various other notes. See the corresponding code in gcc-3.4.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18718