On Tue, May 10, 2011 at 4:20 PM, Ian Lance Taylor <[email protected]> wrote: > fanqifei <[email protected]> writes: > >>>> Which file or fucntion should I look into? Maybe I can work around in 4.3.2 >>> >>> Look into tree-ssa-alias.c and tree-ssa-structalias.c >>> >>>> What change in 4.5 fixed it? >>> >>> A complete rewrite of the above ... >>> >>> Richard. >> So is there easy way to work around in 4.3.2 to disable the randomization? >> I am not familiar with tree ssa. Hope there is. :( > > You could disable alias analysis via -fno-strict-aliasing. Of course > that will affect optimization. > > I can't think of another easy way.
I think that won't help - we still do all the partitioning work thus the non-TBAA path will be affected. Richard. > Ian >
