Refactor to support multiple outputs in location summary

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 2057 matching lines @@
                               LocationSummary::kNoCall)
       : LocationSummary::Make(0,
                               Location::NoLocation(),
                               LocationSummary::kNoCall);
 }
 
 
 void DropTempsInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(!compiler->is_optimizing());
   // Assert that register assignment is correct.
-  ASSERT((InputCount() == 0) || locs()->out().reg() == locs()->in(0).reg());
+  ASSERT((InputCount() == 0) || (locs()->out(0).reg() == locs()->in(0).reg()));
   __ Drop(num_temps());
 }
 
 
 void StoreContextInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // Nothing to do.  Context register was loaded by the register allocator.
   ASSERT(locs()->in(0).reg() == CTX);
 }
 
 
@@ skipping 90 matching lines @@
                                locs());
 }
 
 
 void AssertAssignableInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   compiler->GenerateAssertAssignable(token_pos(),
                                      deopt_id(),
                                      dst_type(),
                                      dst_name(),
                                      locs());
-  ASSERT(locs()->in(0).reg() == locs()->out().reg());
+  ASSERT(locs()->in(0).reg() == locs()->out(0).reg());
 }
 
 
 Environment* Environment::From(const GrowableArray<Definition*>& definitions,
                                intptr_t fixed_parameter_count,
                                const Code& code) {
   Environment* env =
       new Environment(definitions.length(),
                       fixed_parameter_count,
                       Isolate::kNoDeoptId,
@@ skipping 1042 matching lines @@
     case Token::kTRUNCDIV: return 0;
     case Token::kMOD: return 1;
     default: UNIMPLEMENTED(); return -1;
   }
 }
 
 
 #undef __
 
 }  // namespace dart