------- Comment #4 from pinskia at gcc dot gnu dot org 2010-02-12 22:56 ------- But that is not the cause of the problem here. The issue comes down to we simplify in 4.5 (subreg (sign_extend (reg N) ) ) into (reg N). fwprop1 is doing that change on the trunk.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42839
