Mercurial > jdk8-mips64-public > hotspot / changeset

     1.1 --- a/src/share/vm/opto/superword.cpp	Tue Aug 21 10:48:50 2012 -0700
     1.2 +++ b/src/share/vm/opto/superword.cpp	Tue Aug 21 14:50:02 2012 -0700
     1.3 @@ -1055,6 +1055,9 @@
     1.4  // Can code be generated for pack p?
     1.5  bool SuperWord::implemented(Node_List* p) {
     1.6    Node* p0 = p->at(0);
     1.7 +  if (VectorNode::is_shift(p0) && in_bb(p0->in(2))) {
     1.8 +    return false; // vector shift count should be loop's invariant.
     1.9 +  }
    1.10    return VectorNode::implemented(p0->Opcode(), p->size(), velt_basic_type(p0));
    1.11  }
    1.12  
    1.13 @@ -1404,6 +1407,7 @@
    1.14  
    1.15    if (same_opd) {
    1.16      if (opd->is_Vector() || opd->is_LoadVector()) {
    1.17 +      assert(((opd_idx != 2) || !VectorNode::is_shift(p0)), "shift's count can't be vector");
    1.18        return opd; // input is matching vector
    1.19      }
    1.20      if ((opd_idx == 2) && VectorNode::is_shift(p0)) {

     2.1 --- a/src/share/vm/opto/vectornode.cpp	Tue Aug 21 10:48:50 2012 -0700
     2.2 +++ b/src/share/vm/opto/vectornode.cpp	Tue Aug 21 14:50:02 2012 -0700
     2.3 @@ -180,9 +180,9 @@
     2.4    return false;
     2.5  }
     2.6  
     2.7 -// Check if input is loop invarient vector.
     2.8 +// Check if input is loop invariant vector.
     2.9  bool VectorNode::is_invariant_vector(Node* n) {
    2.10 -  // Only Replicate vector nodes are loop invarient for now.
    2.11 +  // Only Replicate vector nodes are loop invariant for now.
    2.12    switch (n->Opcode()) {
    2.13    case Op_ReplicateB:
    2.14    case Op_ReplicateS: