Fix a bug in optimized ARM code.

runtime/vm/flow_graph_compiler_x64.cc

 // Copyright (c) 2013, 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_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 1632 matching lines @@
   assembler()->j(true_condition, &is_true, Assembler::kNearJump);
   assembler()->Bind(&is_false);
   assembler()->LoadObject(result, Bool::False());
   assembler()->jmp(&done);
   assembler()->Bind(&is_true);
   assembler()->LoadObject(result, Bool::True());
   assembler()->Bind(&done);
 }
 
 
-Condition FlowGraphCompiler::FlipCondition(Condition condition) {
-  switch (condition) {
-    case EQUAL:         return EQUAL;
-    case NOT_EQUAL:     return NOT_EQUAL;
-    case LESS:          return GREATER;
-    case LESS_EQUAL:    return GREATER_EQUAL;
-    case GREATER:       return LESS;
-    case GREATER_EQUAL: return LESS_EQUAL;
-    case BELOW:         return ABOVE;
-    case BELOW_EQUAL:   return ABOVE_EQUAL;
-    case ABOVE:         return BELOW;
-    case ABOVE_EQUAL:   return BELOW_EQUAL;
-    default:
-      UNIMPLEMENTED();
-      return EQUAL;
-  }
-}
-
-
-bool FlowGraphCompiler::EvaluateCondition(Condition condition,
-                                          intptr_t left,
-                                          intptr_t right) {
-  const uintptr_t unsigned_left = static_cast<uintptr_t>(left);
-  const uintptr_t unsigned_right = static_cast<uintptr_t>(right);
-  switch (condition) {
-    case EQUAL:         return left == right;
-    case NOT_EQUAL:     return left != right;
-    case LESS:          return left < right;
-    case LESS_EQUAL:    return left <= right;
-    case GREATER:       return left > right;
-    case GREATER_EQUAL: return left >= right;
-    case BELOW:         return unsigned_left < unsigned_right;
-    case BELOW_EQUAL:   return unsigned_left <= unsigned_right;
-    case ABOVE:         return unsigned_left > unsigned_right;
-    case ABOVE_EQUAL:   return unsigned_left >= unsigned_right;
-    default:
-      UNIMPLEMENTED();
-      return false;
-  }
-}
-
-
 FieldAddress FlowGraphCompiler::ElementAddressForIntIndex(intptr_t cid,
                                                           intptr_t index_scale,
                                                           Register array,
                                                           intptr_t index) {
   const int64_t disp =
       static_cast<int64_t>(index) * index_scale + DataOffsetFor(cid);
   ASSERT(Utils::IsInt(32, disp));
   return FieldAddress(array, static_cast<int32_t>(disp));
 }
 
@@ skipping 234 matching lines @@
   __ movups(reg, Address(RSP, 0));
   __ addq(RSP, Immediate(kFpuRegisterSize));
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64