------- Comment #8 from hjl dot tools at gmail dot com 2009-12-29 23:50 ------- Created an attachment (id=19420) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19420&action=view) A patch
I don't see how we can easily check unsigned underflow in vector integer subtraction. This patch simply disables it. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42542
