--- old/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	2015-11-19 18:51:05.126253900 -0800
+++ new/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	2015-11-19 18:51:04.789220200 -0800
@@ -2364,15 +2364,6 @@
       case lir_log10 : __ flog10() ; break;
       case lir_abs   : __ fabs() ; break;
       case lir_sqrt  : __ fsqrt(); break;
-      case lir_sin   :
-        // Should consider not saving rbx, if not necessary
-        __ trigfunc('s', op->as_Op2()->fpu_stack_size());
-        break;
-      case lir_cos :
-        // Should consider not saving rbx, if not necessary
-        assert(op->as_Op2()->fpu_stack_size() <= 6, "sin and cos need two free stack slots");
-        __ trigfunc('c', op->as_Op2()->fpu_stack_size());
-        break;
       case lir_tan :
         // Should consider not saving rbx, if not necessary
         __ trigfunc('t', op->as_Op2()->fpu_stack_size());