src/cpu/x86/vm/stubGenerator_x86_32.cpp

*** 1010,1019 ****
--- 1010,1020 ----
      }
      inc_copy_counter_np(t);
      __ pop(rdi);
      __ pop(rsi);
      __ leave(); // required for proper stackwalking of RuntimeStub frame
+     __ vzeroupper();
      __ xorptr(rax, rax); // return 0
      __ ret(0);
      return start;
    }
  
*** 1245,1254 ****
--- 1246,1256 ----
        __ decrement(count);
        __ jcc(Assembler::greaterEqual, L_copy_8_bytes_loop);
      }
      inc_copy_counter_np(T_LONG);
      __ leave(); // required for proper stackwalking of RuntimeStub frame
+     __ vzeroupper();
      __ xorptr(rax, rax); // return 0
      __ ret(0);
      return start;
    }
  
*** 3363,3372 ****
--- 3365,3375 ----
  
      __ movl(rax, crc);
      __ pop(rbx);
      __ pop(rdi);
      __ pop(rsi);
+     __ vzeroupper();
      __ leave(); // required for proper stackwalking of RuntimeStub frame
      __ ret(0);
  
      return start;
    }
*** 3420,3429 ****
--- 3423,3433 ----
                                xmm0, xmm1, xmm2,
                                is_pclmulqdq_supported);
        __ pop(h);
        __ pop(g);
        __ pop(d);
+     __ vzeroupper();
      __ leave(); // required for proper stackwalking of RuntimeStub frame
      __ ret(0);
  
      return start;
    }