------- Comment #24 from rguenther at suse dot de 2007-11-09 17:11 ------- Subject: Re: [4.3 regression] udivdi3 counterproductive, unwarranted use
On Fri, 9 Nov 2007, bunk at stusta dot de wrote: > ------- Comment #23 from bunk at stusta dot de 2007-11-09 17:09 ------- > We need a way to globally prevent it in the kernel or it will be a repeating > source of problems there. > > Is -fno-tree-scev-cprop a reasonable (and not too expensive) workaround for > the > Linux kernel? Yes, as is using volatile on this particular loop variable. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32044
