Add support for float-to-double & double-to-float in optimizing.

Change-Id: I41b0fee5a28c83757697c8d000b7e224cf5a4534
diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index 0ac93a2..252e4fa 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -1119,6 +1119,16 @@
       break;
     }
 
+    case Instruction::FLOAT_TO_DOUBLE: {
+      Conversion_12x(instruction, Primitive::kPrimFloat, Primitive::kPrimDouble, dex_pc);
+      break;
+    }
+
+    case Instruction::DOUBLE_TO_FLOAT: {
+      Conversion_12x(instruction, Primitive::kPrimDouble, Primitive::kPrimFloat, dex_pc);
+      break;
+    }
+
     case Instruction::INT_TO_BYTE: {
       Conversion_12x(instruction, Primitive::kPrimInt, Primitive::kPrimByte, dex_pc);
       break;
diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index f050605..5076c85 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -1501,8 +1501,9 @@
           break;
 
         case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `double-to-float' instruction.
+          locations->SetInAt(0, Location::RequiresFpuRegister());
+          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
           break;
 
         default:
@@ -1532,8 +1533,9 @@
           break;
 
         case Primitive::kPrimFloat:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `float-to-double' instruction.
+          locations->SetInAt(0, Location::RequiresFpuRegister());
+          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
           break;
 
         default:
@@ -1728,8 +1730,9 @@
         }
 
         case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `double-to-float' instruction.
+          __ vcvtsd(out.AsFpuRegister<SRegister>(),
+                    FromLowSToD(in.AsFpuRegisterPairLow<SRegister>()));
           break;
 
         default:
@@ -1784,8 +1787,9 @@
         }
 
         case Primitive::kPrimFloat:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `float-to-double' instruction.
+          __ vcvtds(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
+                    in.AsFpuRegister<SRegister>());
           break;
 
         default:
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 38dc8c5..2aa121d 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -1464,8 +1464,9 @@
           break;
 
         case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `double-to-float' instruction.
+          locations->SetInAt(0, Location::RequiresFpuRegister());
+          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
           break;
 
         default:
@@ -1494,8 +1495,9 @@
           break;
 
         case Primitive::kPrimFloat:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `float-to-double' instruction.
+          locations->SetInAt(0, Location::RequiresFpuRegister());
+          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
           break;
 
         default:
@@ -1715,8 +1717,8 @@
         }
 
         case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `double-to-float' instruction.
+          __ cvtsd2ss(out.AsFpuRegister<XmmRegister>(), in.AsFpuRegister<XmmRegister>());
           break;
 
         default:
@@ -1762,8 +1764,8 @@
         }
 
         case Primitive::kPrimFloat:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `float-to-double' instruction.
+          __ cvtss2sd(out.AsFpuRegister<XmmRegister>(), in.AsFpuRegister<XmmRegister>());
           break;
 
         default:
diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc
index 7eecac1..5761fb1 100644
--- a/compiler/optimizing/code_generator_x86_64.cc
+++ b/compiler/optimizing/code_generator_x86_64.cc
@@ -1445,8 +1445,9 @@
           break;
 
         case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `double-to-float' instruction.
+          locations->SetInAt(0, Location::RequiresFpuRegister());
+          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
           break;
 
         default:
@@ -1473,8 +1474,9 @@
           break;
 
         case Primitive::kPrimFloat:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `float-to-double' instruction.
+          locations->SetInAt(0, Location::RequiresFpuRegister());
+          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
           break;
 
         default:
@@ -1686,8 +1688,8 @@
           break;
 
         case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `double-to-float' instruction.
+          __ cvtsd2ss(out.AsFpuRegister<XmmRegister>(), in.AsFpuRegister<XmmRegister>());
           break;
 
         default:
@@ -1712,8 +1714,8 @@
           break;
 
         case Primitive::kPrimFloat:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
+          // Processing a Dex `float-to-double' instruction.
+          __ cvtss2sd(out.AsFpuRegister<XmmRegister>(), in.AsFpuRegister<XmmRegister>());
           break;
 
         default: