Fix a bug in ia32 shift left , implemented more inlined binary operations in x64.

runtime/vm/locations.cc

 // Copyright (c) 2012, 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/locations.h"
 
 #include "vm/intermediate_language.h"
 
 namespace dart {
 
@@ skipping 37 matching lines @@
   }
 
   if (out().kind() == Location::kRegister) {
     // Fixed output registers are allowed to overlap with
     // temps and inputs.
     blocked_registers[out().reg()] = true;
   }
 
   // Do not allocate known registers.
   blocked_registers[CTX] = true;
+  blocked_registers[SPREG] = true;
+  blocked_registers[FPREG] = true;
   if (TMP != kNoRegister) {
     blocked_registers[TMP] = true;
   }
 
   // Allocate all unallocated input locations.
   for (intptr_t i = 0; i < input_count(); i++) {
     Location loc = in(i);
     if (loc.kind() == Location::kUnallocated) {
       ASSERT(loc.policy() == Location::kRequiresRegister);
       set_in(i, Location::RegisterLocation(
@@ skipping 22 matching lines @@
         result_location = in(0);
         break;
     }
     set_out(result_location);
   }
 }
 
 
 }  // namespace dart