Adds far-branches to arm64.

runtime/vm/intermediate_language_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/intermediate_language.h"
 
 #include "vm/cpu.h"
@@ skipping 3054 matching lines @@
           // TODO(vegorov): should be handled outside.
           __ MoveRegister(result, left);
           break;
         } else if (value < 0) {
           // TODO(vegorov): should be handled outside.
           __ b(deopt);
           break;
         }
 
         value = value + kSmiTagSize;
-        if (value >= kCountLimit) value = kCountLimit;
+        if (value >= kCountLimit) {
+          value = kCountLimit;
+        }
 
         __ Asr(result, left, value);
         __ SmiTag(result);
         break;
       }
 
       default:
         UNREACHABLE();
         break;
     }
@@ skipping 2121 matching lines @@
   // base == -Infinity -> call pow;
   __ vcmpd(saved_base, result);
   __ b(&do_pow, EQ);
 
   // exponent == 0.5 ?
   __ LoadDImmediate(result, 0.5, temp);
   __ vcmpd(exp, result);
   __ b(&do_pow, NE);
 
   // base == 0 -> return 0;
-  __ vcmpdz(base);
+  __ vcmpdz(saved_base);
   __ b(&return_zero, EQ);
 
   __ vsqrtd(result, saved_base);
   __ b(&skip_call);
 
   __ Bind(&return_zero);
   __ LoadDImmediate(result, 0.0, temp);
   __ b(&skip_call);
 
   __ Bind(&do_pow);
@@ skipping 915 matching lines @@
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(ArgumentCount());  // Discard arguments.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM