src/share/vm/opto/reg_split.cpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -57,11 +57,11 @@
 // not cover the input (or output), use the input (or output) mask instead.
 Node *PhaseChaitin::get_spillcopy_wide( Node *def, Node *use, uint uidx ) {
   // If ideal reg doesn't exist we've got a bad schedule happening
   // that is forcing us to spill something that isn't spillable.
   // Bail rather than abort
-  int ireg = def->ideal_reg();
+  uint ireg = def->ideal_reg();
   if( ireg == 0 || ireg == Op_RegFlags ) {
     assert(false, "attempted to spill a non-spillable item");
     C->record_method_not_compilable("attempted to spill a non-spillable item");
     return NULL;
   }

@@ -1161,11 +1161,11 @@
           set_was_spilled(n);
         assert(!n->is_Phi(),"Cannot insert Phi into DEFS list");
         // Grab UP info for DEF
         const RegMask &dmask = n->out_RegMask();
         bool defup = dmask.is_UP();
-        int ireg = n->ideal_reg();
+        uint ireg = n->ideal_reg();
         bool is_vect = RegMask::is_vector(ireg);
         // Only split at Def if this is a HRP block or bound (and spilled once)
         if( !n->rematerialize() &&
             (((dmask.is_bound(ireg) || !is_vect && dmask.is_misaligned_pair()) &&
               (deflrg._direct_conflict || deflrg._must_spill)) ||