src/share/vm/c1/c1_ValueStack.hpp

rev 10446 : 8151818: C1: LIRGenerator::move_to_phi can't deal with illegal phi
Reviewed-by:

*** 97,114 ****
  
    // locals access
    void clear_locals();                           // sets all locals to NULL;
  
    void invalidate_local(int i) {
!     assert(_locals.at(i)->type()->is_single_word() ||
             _locals.at(i + 1) == NULL, "hi-word of doubleword value must be NULL");
      _locals.at_put(i, NULL);
    }
  
    Value local_at(int i) const {
      Value x = _locals.at(i);
!     assert(x == NULL || x->type()->is_single_word() ||
             _locals.at(i + 1) == NULL, "hi-word of doubleword value must be NULL");
      return x;
    }
  
    void store_local(int i, Value x) {
--- 97,114 ----
  
    // locals access
    void clear_locals();                           // sets all locals to NULL;
  
    void invalidate_local(int i) {
!     assert(!_locals.at(i)->type()->is_double_word() ||
             _locals.at(i + 1) == NULL, "hi-word of doubleword value must be NULL");
      _locals.at_put(i, NULL);
    }
  
    Value local_at(int i) const {
      Value x = _locals.at(i);
!     assert(x == NULL || !x->type()->is_double_word() ||
             _locals.at(i + 1) == NULL, "hi-word of doubleword value must be NULL");
      return x;
    }
  
    void store_local(int i, Value x) {
*** 129,139 ****
    }
  
    // stack access
    Value stack_at(int i) const {
      Value x = _stack.at(i);
!     assert(x->type()->is_single_word() ||
             _stack.at(i + 1) == NULL, "hi-word of doubleword value must be NULL");
      return x;
    }
  
    Value stack_at_inc(int& i) const {
--- 129,139 ----
    }
  
    // stack access
    Value stack_at(int i) const {
      Value x = _stack.at(i);
!     assert(!x->type()->is_double_word() ||
             _stack.at(i + 1) == NULL, "hi-word of doubleword value must be NULL");
      return x;
    }
  
    Value stack_at_inc(int& i) const {