------- Comment #9 from rguenther at suse dot de 2009-01-16 21:01 ------- Subject: Re: [4.2/4.3/4.4 Regression] trapping expression wrongly hoisted out of loop
On Fri, 16 Jan 2009, dberlin at dberlin dot org wrote: > Subject: Re: [4.2/4.3/4.4 Regression] trapping > expression wrongly hoisted out of loop > > Hmmm. > The only way you could get the CFG to represent that any call may exit > would be to calls terminate bb's and have an edge from every call to > exit. > :( > > We actually do this with noreturn edges. > It's probably a lot easier to just not move trapping expressions for now. Like all loads from pointers? :/ I'll try to do something slightly more clever. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38819
