Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- a/src/share/vm/opto/loopopts.cpp	Wed Sep 17 08:29:17 2008 -0700
     1.2 +++ b/src/share/vm/opto/loopopts.cpp	Wed Sep 17 12:59:52 2008 -0700
     1.3 @@ -2667,6 +2667,10 @@
     1.4    // Fix this by adjusting to use the post-increment trip counter.
     1.5    Node *phi = cl->phi();
     1.6    if( !phi ) return;            // Dead infinite loop
     1.7 +
     1.8 +  // Shape messed up, probably by iteration_split_impl
     1.9 +  if (phi->in(LoopNode::LoopBackControl) != cl->incr()) return;
    1.10 +
    1.11    bool progress = true;
    1.12    while (progress) {
    1.13      progress = false;