--- old/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	2016-04-05 14:19:34.158104300 -0700
+++ new/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	2016-04-05 14:19:33.765081800 -0700
@@ -2365,13 +2365,8 @@
   } else if (value->is_double_fpu()) {
     assert(value->fpu_regnrLo() == 0 && dest->fpu_regnrLo() == 0, "both must be on TOS");
     switch(code) {
-      case lir_log10 : __ flog10() ; break;
       case lir_abs   : __ fabs() ; break;
       case lir_sqrt  : __ fsqrt(); break;
-      case lir_tan :
-        // Should consider not saving rbx, if not necessary
-        __ trigfunc('t', op->as_Op2()->fpu_stack_size());
-        break;
       default      : ShouldNotReachHere();
     }
   } else {