Revert "Add support for long-to-int in the optimizing compiler."

This reverts commit 647b96f29cb81832e698f863884fdba06674c9de.

Change-Id: I552f23585463c676acbd547521b4d3ee5c0342eb
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 4706274..d66180b 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -22,7 +22,6 @@
 #include "mirror/art_method.h"
 #include "mirror/class.h"
 #include "thread.h"
-#include "utils.h"
 #include "utils/assembler.h"
 #include "utils/stack_checks.h"
 #include "utils/x86/assembler_x86.h"
@@ -1262,26 +1261,6 @@
   Primitive::Type result_type = conversion->GetResultType();
   Primitive::Type input_type = conversion->GetInputType();
   switch (result_type) {
-    case Primitive::kPrimInt:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // long-to-int conversion.
-          locations->SetInAt(0, Location::Any());
-          locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-          break;
-
-        case Primitive::kPrimFloat:
-        case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
     case Primitive::kPrimLong:
       switch (input_type) {
         case Primitive::kPrimByte:
@@ -1305,6 +1284,7 @@
       }
       break;
 
+    case Primitive::kPrimInt:
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Type conversion from " << input_type
@@ -1324,34 +1304,6 @@
   Primitive::Type result_type = conversion->GetResultType();
   Primitive::Type input_type = conversion->GetInputType();
   switch (result_type) {
-    case Primitive::kPrimInt:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // long-to-int conversion.
-          if (in.IsRegisterPair()) {
-            __ movl(out.As<Register>(), in.AsRegisterPairLow<Register>());
-          } else if (in.IsDoubleStackSlot()) {
-            __ movl(out.As<Register>(), Address(ESP, in.GetStackIndex()));
-          } else {
-            DCHECK(in.IsConstant());
-            DCHECK(in.GetConstant()->IsLongConstant());
-            __ movl(out.As<Register>(),
-                    Immediate(Low32Bits(in.GetConstant()->AsLongConstant()->GetValue())));
-          }
-          break;
-
-        case Primitive::kPrimFloat:
-        case Primitive::kPrimDouble:
-          LOG(FATAL) << "Type conversion from " << input_type
-                     << " to " << result_type << " not yet implemented";
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
     case Primitive::kPrimLong:
       switch (input_type) {
         case Primitive::kPrimByte:
@@ -1377,6 +1329,7 @@
       }
       break;
 
+    case Primitive::kPrimInt:
     case Primitive::kPrimFloat:
     case Primitive::kPrimDouble:
       LOG(FATAL) << "Type conversion from " << input_type