------- Comment #9 from zuxy dot meng at gmail dot com 2007-08-25 17:14 ------- I've confirmed that the problem is caused by '-ftree-vectorize' passed to compile gcc. More precisely, a 'movdqa' instruction in constraint_operands() accessed an unaligned memory.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28629
