------- Comment #14 from pinskia at gcc dot gnu dot org 2006-11-25 23:32 ------- fwprop says it is r29 invalided by a call: invalidated by call 0, 1, 2, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60
I think it missed that pseduo register 72 uses r29. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29840