Enables per-function far-branches for ARM and MIPS.

runtime/vm/simulator_mips.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 <math.h>  // for isnan.
 #include <setjmp.h>
 #include <stdlib.h>
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_MIPS)
@@ skipping 1004 matching lines @@
       if (redirection->call_kind() == kRuntimeCall) {
         NativeArguments arguments;
         ASSERT(sizeof(NativeArguments) == 4*kWordSize);
         arguments.isolate_ = reinterpret_cast<Isolate*>(get_register(A0));
         arguments.argc_tag_ = get_register(A1);
         arguments.argv_ = reinterpret_cast<RawObject*(*)[]>(get_register(A2));
         arguments.retval_ = reinterpret_cast<RawObject**>(get_register(A3));
         SimulatorRuntimeCall target =
             reinterpret_cast<SimulatorRuntimeCall>(external);
         target(arguments);
-        set_register(V0, icount_);  // Zap result register from void function.
+        set_register(V0, icount_);  // Zap result registers from void function.
+        set_register(V1, icount_);
       } else if (redirection->call_kind() == kLeafRuntimeCall) {
         int32_t a0 = get_register(A0);
         int32_t a1 = get_register(A1);
         int32_t a2 = get_register(A2);
         int32_t a3 = get_register(A3);
         SimulatorLeafRuntimeCall target =
             reinterpret_cast<SimulatorLeafRuntimeCall>(external);
         a0 = target(a0, a1, a2, a3);
         set_register(V0, a0);  // Set returned result from function.
+        set_register(V1, icount_);  // Zap second result register.
       } else if (redirection->call_kind() == kLeafFloatRuntimeCall) {
         ASSERT((0 <= redirection->argument_count()) &&
                (redirection->argument_count() <= 2));
         // double values are passed and returned in floating point registers.
         SimulatorLeafFloatRuntimeCall target =
             reinterpret_cast<SimulatorLeafFloatRuntimeCall>(external);
         double d0 = 0.0;
         double d6 = get_fregister_double(F12);
         double d7 = get_fregister_double(F14);
         d0 = target(d6, d7);
         set_fregister_double(F0, d0);
       } else {
         ASSERT(redirection->call_kind() == kNativeCall);
         NativeArguments* arguments;
         arguments = reinterpret_cast<NativeArguments*>(get_register(A0));
         SimulatorNativeCall target =
             reinterpret_cast<SimulatorNativeCall>(external);
         target(arguments);
         set_register(V0, icount_);  // Zap result register from void function.
+        set_register(V1, icount_);
       }
       set_top_exit_frame_info(0);
 
       // Zap caller-saved registers, since the actual runtime call could have
       // used them.
       set_register(T0, icount_);
       set_register(T1, icount_);
       set_register(T2, icount_);
       set_register(T3, icount_);
       set_register(T4, icount_);
@@ skipping 1167 matching lines @@
   set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception));
   set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace));
   buf->Longjmp();
 }
 
 }  // namespace dart
 
 #endif  // !defined(HOST_ARCH_MIPS)
 
 #endif  // defined TARGET_ARCH_MIPS