*** old/src/share/vm/opto/chaitin.cpp	Fri May  8 11:59:36 2015
--- new/src/share/vm/opto/chaitin.cpp	Fri May  8 11:59:36 2015

*** 905,914 ****
--- 905,921 ----
            assert(RegMask::num_registers(Op_VecY) == RegMask::SlotsPerVecY, "sanity");
            assert(lrgmask.is_aligned_sets(RegMask::SlotsPerVecY), "vector should be aligned");
            lrg.set_num_regs(RegMask::SlotsPerVecY);
            lrg.set_reg_pressure(1);
            break;
+         case Op_VecZ:
+           assert(Matcher::vector_size_supported(T_FLOAT,RegMask::SlotsPerVecZ), "sanity");
+           assert(RegMask::num_registers(Op_VecZ) == RegMask::SlotsPerVecZ, "sanity");
+           assert(lrgmask.is_aligned_sets(RegMask::SlotsPerVecZ), "vector should be aligned");
+           lrg.set_num_regs(RegMask::SlotsPerVecZ);
+           lrg.set_reg_pressure(1);
+           break;
          default:
            ShouldNotReachHere();
          }
        }
  

*** 1512,1522 ****
--- 1519,1529 ----
        // to make.  In this case, the mask has more bits in it than the colors
        // chosen.  Restrict the mask to just what was picked.
        int n_regs = lrg->num_regs();
        assert(!lrg->_is_vector || !lrg->_fat_proj, "sanity");
        if (n_regs == 1 || !lrg->_fat_proj) {
!         assert(!lrg->_is_vector || n_regs <= RegMask::SlotsPerVecY, "sanity");
!         assert(!lrg->_is_vector || n_regs <= RegMask::SlotsPerVecZ, "sanity");
          lrg->Clear();           // Clear the mask
          lrg->Insert(reg);       // Set regmask to match selected reg
          // For vectors and pairs, also insert the low bit of the pair
          for (int i = 1; i < n_regs; i++)
            lrg->Insert(OptoReg::add(reg,-i));