------- Comment #8 from amodra at bigpond dot net dot au 2005-11-09 00:25 ------- Uggh, that was too simplistic. We really do need to search back from i3 in other cases, eg. when combine extends a reg lifetime. It seems that we need to check for other sets of a dead reg between from_insn and i3.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22002
