DBC: Double converstion instructions

runtime/vm/intermediate_language_dbc.cc

Index: runtime/vm/intermediate_language_dbc.cc
diff --git a/runtime/vm/intermediate_language_dbc.cc b/runtime/vm/intermediate_language_dbc.cc
index 3566b6c4aeea2d93e78152b22c0c0335b9af7c4e..aca13bdda4f4d677e5fae7d59cca94a1699c7b3f 100644
--- a/runtime/vm/intermediate_language_dbc.cc
+++ b/runtime/vm/intermediate_language_dbc.cc
@@ -34,9 +34,6 @@ DECLARE_FLAG(int, optimization_counter_threshold);
   M(BinaryInt32Op)                                                             \
   M(Int32ToDouble)                                                             \
   M(DoubleToInteger)                                                           \
-  M(DoubleToDouble)                                                            \
-  M(DoubleToFloat)                                                             \
-  M(FloatToDouble)                                                             \
   M(BoxInt64)                                                                  \
   M(MergedMath)                                                                \
   M(GuardFieldClass)                                                           \
@@ -743,6 +740,20 @@ EMIT_NATIVE_CODE(StoreIndexed, 3, Location::NoLocation(),
       }
       break;
     }
+    case kTypedDataFloat32ArrayCid:
+      if (IsExternal()) {
+        Unsupported(compiler);
+        UNREACHABLE();
+      }
+      if (index_scale() == 1) {
+        __ StoreIndexedFloat32(array, index, value);
+      } else if (index_scale() == 4) {
+        __ StoreIndexed4Float32(array, index, value);
+      } else {
+        __ ShlImm(temp, index, Utils::ShiftForPowerOfTwo(index_scale()));
+        __ StoreIndexedFloat32(array, temp, value);
+      }
+      break;
     case kTypedDataFloat64ArrayCid:
       if (IsExternal()) {
         Unsupported(compiler);
@@ -807,10 +818,18 @@ EMIT_NATIVE_CODE(LoadIndexed, 2, Location::RequiresRegister(),
         Unsupported(compiler);
         UNREACHABLE();
       }
+      if (IsExternal()) {
+        Unsupported(compiler);
+        UNREACHABLE();
+      }
       __ LoadIndexedTwoByteString(result, array, index);
       break;
     case kTypedDataInt32ArrayCid:
       ASSERT(representation() == kUnboxedInt32);
+      if (IsExternal()) {
+        Unsupported(compiler);
+        UNREACHABLE();
+      }
       if (index_scale() == 1) {
         __ LoadIndexedInt32(result, array, index);
       } else {
@@ -820,6 +839,10 @@ EMIT_NATIVE_CODE(LoadIndexed, 2, Location::RequiresRegister(),
       break;
     case kTypedDataUint32ArrayCid:
       ASSERT(representation() == kUnboxedUint32);
+      if (IsExternal()) {
+        Unsupported(compiler);
+        UNREACHABLE();
+      }
       if (index_scale() == 1) {
         __ LoadIndexedUint32(result, array, index);
       } else {
@@ -827,7 +850,25 @@ EMIT_NATIVE_CODE(LoadIndexed, 2, Location::RequiresRegister(),
         __ LoadIndexedUint32(result, array, temp);
       }
       break;
+    case kTypedDataFloat32ArrayCid:
+      if (IsExternal()) {
+        Unsupported(compiler);
+        UNREACHABLE();
+      }
+      if (index_scale() == 1) {
+        __ LoadIndexedFloat32(result, array, index);
+      } else if (index_scale() == 4) {
+        __ LoadIndexed4Float32(result, array, index);
+      } else {
+        __ ShlImm(temp, index, Utils::ShiftForPowerOfTwo(index_scale()));
+        __ LoadIndexedFloat32(result, array, temp);
+      }
+      break;
     case kTypedDataFloat64ArrayCid:
+      if (IsExternal()) {
+        Unsupported(compiler);
+        UNREACHABLE();
+      }
       if (index_scale() == 1) {
         __ LoadIndexedFloat64(result, array, index);
       } else if (index_scale() == 8) {
@@ -1597,6 +1638,39 @@ EMIT_NATIVE_CODE(MathUnary, 1, Location::RequiresRegister()) {
 }
 
 
+EMIT_NATIVE_CODE(DoubleToDouble, 1, Location::RequiresRegister()) {
+  const Register in = locs()->in(0).reg();
+  const Register result = locs()->out(0).reg();
+  switch (recognized_kind()) {
+    case MethodRecognizer::kDoubleTruncate:
+      __ DTruncate(result, in);
+      break;
+    case MethodRecognizer::kDoubleFloor:
+      __ DFloor(result, in);
+      break;
+    case MethodRecognizer::kDoubleCeil:
+      __ DCeil(result, in);
+      break;
+    default:
+      UNREACHABLE();
+  }
+}
+
+
+EMIT_NATIVE_CODE(DoubleToFloat, 1, Location::RequiresRegister()) {
+  const Register in = locs()->in(0).reg();
+  const Register result = locs()->out(0).reg();
+  __ DoubleToFloat(result, in);
+}
+
+
+EMIT_NATIVE_CODE(FloatToDouble, 1, Location::RequiresRegister()) {
+  const Register in = locs()->in(0).reg();
+  const Register result = locs()->out(0).reg();
+  __ FloatToDouble(result, in);
+}
+
+
 EMIT_NATIVE_CODE(InvokeMathCFunction,
                  InputCount(), Location::RequiresRegister()) {
   const Register left = locs()->in(0).reg();