Add DoubleTestOp instruction

runtime/vm/intermediate_language_dbc.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_DBC.
 #if defined(TARGET_ARCH_DBC)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/cpu.h"
@@ skipping 1631 matching lines @@
   switch (op_kind()) {
     case Token::kADD: __ DAdd(result, left, right); break;
     case Token::kSUB: __ DSub(result, left, right); break;
     case Token::kMUL: __ DMul(result, left, right); break;
     case Token::kDIV: __ DDiv(result, left, right); break;
     default: UNREACHABLE();
   }
 }
 
 
+EMIT_NATIVE_CODE(DoubleTestOp, 1, Location::RequiresRegister()) {
+  ASSERT(compiler->is_optimizing());
+  const Register value = locs()->in(0).reg();
+  const Register result = locs()->out(0).reg();
+  switch (op_kind()) {
+    case MethodRecognizer::kDouble_getIsNaN:
+      __ DoubleIsNaN(result, value);
+      break;
+    case MethodRecognizer::kDouble_getIsInfinite:
+      __ DoubleIsInfinite(result, value);
+      break;
+    default:
+      UNREACHABLE();
+  }
+}
+
+
 EMIT_NATIVE_CODE(UnaryDoubleOp, 1, Location::RequiresRegister()) {
   const Register value = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   __ DNeg(result, value);
 }
 
 
 EMIT_NATIVE_CODE(MathUnary, 1, Location::RequiresRegister()) {
   const Register value = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
@@ skipping 250 matching lines @@
   __ IfULe(length, index);
   compiler->EmitDeopt(deopt_id(),
                       ICData::kDeoptCheckArrayBound,
                       (generalized_ ? ICData::kGeneralized : 0) |
                       (licm_hoisted_ ? ICData::kHoisted : 0));
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC