src/share/vm/opto/chaitin.cpp

@@ -905,10 +905,17 @@
           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();
         }
       }
 

@@ -1512,11 +1519,11 @@
       // 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));