*** old/src/share/vm/opto/mulnode.cpp	Mon May  5 12:29:47 2014
--- new/src/share/vm/opto/mulnode.cpp	Mon May  5 12:29:47 2014

*** 233,259 ****
--- 233,259 ----
  const Type *MulINode::mul_ring(const Type *t0, const Type *t1) const {
    const TypeInt *r0 = t0->is_int(); // Handy access
    const TypeInt *r1 = t1->is_int();
  
    // Fetch endpoints of all ranges
!   int32_t lo0 = r0->_lo;
    double a = (double)lo0;
!   int32_t hi0 = r0->_hi;
    double b = (double)hi0;
!   int32_t lo1 = r1->_lo;
    double c = (double)lo1;
!   int32_t hi1 = r1->_hi;
    double d = (double)hi1;
  
    // Compute all endpoints & check for overflow
!   int32_t A = lo0*lo1;
    if( (double)A != a*c ) return TypeInt::INT; // Overflow?
!   int32_t B = lo0*hi1;
    if( (double)B != a*d ) return TypeInt::INT; // Overflow?
!   int32_t C = hi0*lo1;
    if( (double)C != b*c ) return TypeInt::INT; // Overflow?
!   int32_t D = hi0*hi1;
    if( (double)D != b*d ) return TypeInt::INT; // Overflow?
  
    if( A < B ) { lo0 = A; hi0 = B; } // Sort range endpoints
    else { lo0 = B; hi0 = A; }
    if( C < D ) {

*** 1226,1241 ****
--- 1226,1241 ----
    //
    // else if( t1->base() == Type::InstPtr ) {
    //
    //   const TypeInstPtr *o = t1->is_instptr();
    //   if( t1->singleton() )
!   //     return TypeInt::make( ((uint32_t)o->const_oop() + o->_offset) >> shift );
    // }
    // else if( t1->base() == Type::KlassPtr ) {
    //   const TypeKlassPtr *o = t1->is_klassptr();
    //   if( t1->singleton() )
!   //     return TypeInt::make( ((uint32_t)o->const_oop() + o->_offset) >> shift );
    // }
  
    return TypeInt::INT;
  }