Adds LoadClassIdInstr to DBC

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 90 matching lines @@
   M(ExtractNthOutput)                                                          \
   M(BinaryUint32Op)                                                            \
   M(ShiftUint32Op)                                                             \
   M(UnaryUint32Op)                                                             \
   M(UnboxedIntConverter)                                                       \
   M(GrowRegExpStack)                                                           \
   M(BoxInteger32)                                                              \
   M(UnboxInteger32)                                                            \
   M(CheckedSmiOp)                                                              \
   M(CheckArrayBound)                                                           \
-  M(CheckSmi)        \
-  M(LoadClassId)     \
-  M(CheckClassId)    \
-  M(CheckClass)      \
-  M(BinarySmiOp)     \
-  M(TestSmi)         \
-  M(RelationalOp)    \
-  M(EqualityCompare) \
-  M(LoadIndexed)     \
+  M(CheckSmi)                                                                  \
+  M(CheckClassId)                                                              \
+  M(CheckClass)                                                                \
+  M(BinarySmiOp)                                                               \
+  M(TestSmi)                                                                   \
+  M(RelationalOp)                                                              \
+  M(EqualityCompare)                                                           \
+  M(LoadIndexed)
+
 // Location summaries actually are not used by the unoptimizing DBC compiler
 // because we don't allocate any registers.
 static LocationSummary* CreateLocationSummary(Zone* zone,
                                               intptr_t num_inputs,
                                               bool has_result) {
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new(zone) LocationSummary(
       zone, num_inputs, kNumTemps, LocationSummary::kNoCall);
   for (intptr_t i = 0; i < num_inputs; i++) {
     locs->set_in(i, Location::RequiresRegister());
@@ skipping 101 matching lines @@
   if (HasTemp()) {
     __ StoreLocal(
       (local().index() > 0) ? (-local().index()) : (-local().index() - 1));
   } else {
     __ PopLocal(
       (local().index() > 0) ? (-local().index()) : (-local().index() - 1));
   }
 }
 
 
+EMIT_NATIVE_CODE(LoadClassId, 1, true) {
+  if (compiler->is_optimizing()) {
+    __ LoadClassId(locs()->out(0).reg(), locs()->in(0).reg());
+  } else {
+    __ LoadClassIdTOS();
+  }
+}
+
+
 EMIT_NATIVE_CODE(Constant, 0, true) {
   const intptr_t kidx = __ AddConstant(value());
   if (compiler->is_optimizing()) {
     __ LoadConstant(locs()->out(0).reg(), kidx);
   } else {
     __ PushConstant(kidx);
   }
 }
 
 
@@ skipping 443 matching lines @@
       return kUnboxedFloat64x2;
     default:
       UNREACHABLE();
       return kTagged;
   }
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC