Cleanup of branch code generation (no change in functionality).

runtime/vm/flow_graph_compiler_arm.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_ARM.
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 1581 matching lines @@
     __ Drop(argument_count);
     if (!is_last_check) {
       assembler()->b(&match_found);
     }
     assembler()->Bind(&next_test);
   }
   assembler()->Bind(&match_found);
 }
 
 
-void FlowGraphCompiler::EmitDoubleCompareBranch(Condition true_condition,
-                                                FpuRegister left,
-                                                FpuRegister right,
-                                                BranchInstr* branch) {
-  ASSERT(branch != NULL);
-  DRegister dleft = EvenDRegisterOf(left);
-  DRegister dright = EvenDRegisterOf(right);
-  assembler()->vcmpd(dleft, dright);
-  assembler()->vmstat();
-  BlockEntryInstr* nan_result = (true_condition == NE) ?
-      branch->true_successor() : branch->false_successor();
-  assembler()->b(GetJumpLabel(nan_result), VS);
-  branch->EmitBranchOnCondition(this, true_condition);
-}
-
-
-void FlowGraphCompiler::EmitDoubleCompareBool(Condition true_condition,
-                                              FpuRegister left,
-                                              FpuRegister right,
-                                              Register result) {
-  DRegister dleft = EvenDRegisterOf(left);
-  DRegister dright = EvenDRegisterOf(right);
-  assembler()->vcmpd(dleft, dright);
-  assembler()->vmstat();
-  assembler()->LoadObject(result, Bool::False());
-  Label done;
-  if (true_condition != NE) {
-    assembler()->b(&done, VS);  // x == NaN -> false, x != NaN -> true.
-  }
-  assembler()->LoadObject(result, Bool::True(), true_condition);
-  assembler()->Bind(&done);
-}
-
-
 // Do not implement or use this function.
 FieldAddress FlowGraphCompiler::ElementAddressForIntIndex(intptr_t cid,
                                                           intptr_t index_scale,
                                                           Register array,
                                                           intptr_t index) {
   UNREACHABLE();
   return FieldAddress(array, index);
 }
 
 
@@ skipping 261 matching lines @@
   DRegister dreg = EvenDRegisterOf(reg);
   __ vldrd(dreg, Address(SP, kDoubleSize, Address::PostIndex));
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM