src/cpu/x86/vm/macroAssembler_x86.cpp

@@ -5785,73 +5785,10 @@
   popa();
 }
 
 static const double     pi_4 =  0.7853981633974483;
 
-void MacroAssembler::trigfunc(char trig, int num_fpu_regs_in_use) {
-  // A hand-coded argument reduction for values in fabs(pi/4, pi/2)
-  // was attempted in this code; unfortunately it appears that the
-  // switch to 80-bit precision and back causes this to be
-  // unprofitable compared with simply performing a runtime call if
-  // the argument is out of the (-pi/4, pi/4) range.
-
-  Register tmp = noreg;
-  if (!VM_Version::supports_cmov()) {
-    // fcmp needs a temporary so preserve rbx,
-    tmp = rbx;
-    push(tmp);
-  }
-
-  Label slow_case, done;
-  if (trig == 't') {
-    ExternalAddress pi4_adr = (address)&pi_4;
-    if (reachable(pi4_adr)) {
-      // x ?<= pi/4
-      fld_d(pi4_adr);
-      fld_s(1);                // Stack:  X  PI/4  X
-      fabs();                  // Stack: |X| PI/4  X
-      fcmp(tmp);
-      jcc(Assembler::above, slow_case);
-
-      // fastest case: -pi/4 <= x <= pi/4
-      ftan();
-
-      jmp(done);
-    }
-  }
-  // slow case: runtime call
-  bind(slow_case);
-
-  switch(trig) {
-  case 's':
-    {
-      fp_runtime_fallback(CAST_FROM_FN_PTR(address, SharedRuntime::dsin), 1, num_fpu_regs_in_use);
-    }
-    break;
-  case 'c':
-    {
-      fp_runtime_fallback(CAST_FROM_FN_PTR(address, SharedRuntime::dcos), 1, num_fpu_regs_in_use);
-    }
-    break;
-  case 't':
-    {
-      fp_runtime_fallback(CAST_FROM_FN_PTR(address, SharedRuntime::dtan), 1, num_fpu_regs_in_use);
-    }
-    break;
-  default:
-    assert(false, "bad intrinsic");
-    break;
-  }
-
-  // Come here with result in F-TOS
-  bind(done);
-
-  if (tmp != noreg) {
-    pop(tmp);
-  }
-}
-
 // Look up the method for a megamorphic invokeinterface call.
 // The target method is determined by <intf_klass, itable_index>.
 // The receiver klass is in recv_klass.
 // On success, the result will be in method_result, and execution falls through.
 // On failure, execution transfers to the given label.