--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotRegisterAllocationConfig.java	2016-12-09 00:49:01.427083688 -0800
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2015, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.hotspot.sparc;
+
+import static jdk.vm.ci.sparc.SPARC.d32;
+import static jdk.vm.ci.sparc.SPARC.d34;
+import static jdk.vm.ci.sparc.SPARC.d36;
+import static jdk.vm.ci.sparc.SPARC.d38;
+import static jdk.vm.ci.sparc.SPARC.d40;
+import static jdk.vm.ci.sparc.SPARC.d42;
+import static jdk.vm.ci.sparc.SPARC.d44;
+import static jdk.vm.ci.sparc.SPARC.d46;
+import static jdk.vm.ci.sparc.SPARC.d48;
+import static jdk.vm.ci.sparc.SPARC.d50;
+import static jdk.vm.ci.sparc.SPARC.d52;
+import static jdk.vm.ci.sparc.SPARC.d54;
+import static jdk.vm.ci.sparc.SPARC.d56;
+import static jdk.vm.ci.sparc.SPARC.d58;
+import static jdk.vm.ci.sparc.SPARC.d60;
+import static jdk.vm.ci.sparc.SPARC.d62;
+import static jdk.vm.ci.sparc.SPARC.f10;
+import static jdk.vm.ci.sparc.SPARC.f11;
+import static jdk.vm.ci.sparc.SPARC.f12;
+import static jdk.vm.ci.sparc.SPARC.f13;
+import static jdk.vm.ci.sparc.SPARC.f14;
+import static jdk.vm.ci.sparc.SPARC.f15;
+import static jdk.vm.ci.sparc.SPARC.f16;
+import static jdk.vm.ci.sparc.SPARC.f17;
+import static jdk.vm.ci.sparc.SPARC.f18;
+import static jdk.vm.ci.sparc.SPARC.f19;
+import static jdk.vm.ci.sparc.SPARC.f20;
+import static jdk.vm.ci.sparc.SPARC.f21;
+import static jdk.vm.ci.sparc.SPARC.f22;
+import static jdk.vm.ci.sparc.SPARC.f23;
+import static jdk.vm.ci.sparc.SPARC.f24;
+import static jdk.vm.ci.sparc.SPARC.f25;
+import static jdk.vm.ci.sparc.SPARC.f26;
+import static jdk.vm.ci.sparc.SPARC.f27;
+import static jdk.vm.ci.sparc.SPARC.f28;
+import static jdk.vm.ci.sparc.SPARC.f29;
+import static jdk.vm.ci.sparc.SPARC.f30;
+import static jdk.vm.ci.sparc.SPARC.f31;
+import static jdk.vm.ci.sparc.SPARC.f8;
+import static jdk.vm.ci.sparc.SPARC.f9;
+import static jdk.vm.ci.sparc.SPARC.g1;
+import static jdk.vm.ci.sparc.SPARC.g4;
+import static jdk.vm.ci.sparc.SPARC.g5;
+import static jdk.vm.ci.sparc.SPARC.i0;
+import static jdk.vm.ci.sparc.SPARC.i1;
+import static jdk.vm.ci.sparc.SPARC.i2;
+import static jdk.vm.ci.sparc.SPARC.i3;
+import static jdk.vm.ci.sparc.SPARC.i4;
+import static jdk.vm.ci.sparc.SPARC.i5;
+import static jdk.vm.ci.sparc.SPARC.l0;
+import static jdk.vm.ci.sparc.SPARC.l1;
+import static jdk.vm.ci.sparc.SPARC.l2;
+import static jdk.vm.ci.sparc.SPARC.l3;
+import static jdk.vm.ci.sparc.SPARC.l4;
+import static jdk.vm.ci.sparc.SPARC.l5;
+import static jdk.vm.ci.sparc.SPARC.l6;
+import static jdk.vm.ci.sparc.SPARC.l7;
+import static jdk.vm.ci.sparc.SPARC.o0;
+import static jdk.vm.ci.sparc.SPARC.o1;
+import static jdk.vm.ci.sparc.SPARC.o2;
+import static jdk.vm.ci.sparc.SPARC.o3;
+import static jdk.vm.ci.sparc.SPARC.o4;
+import static jdk.vm.ci.sparc.SPARC.o5;
+
+import java.util.ArrayList;
+import java.util.BitSet;
+
+import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
+
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterArray;
+import jdk.vm.ci.code.RegisterConfig;
+
+public class SPARCHotSpotRegisterAllocationConfig extends RegisterAllocationConfig {
+
+    // @formatter:off
+    static final Register[] registerAllocationOrder = {
+      l0, l1, l2, l3, l4, l5, l6, l7,
+      i0, i1, i2, i3, i4, i5, /*i6,*/ /*i7,*/
+      o0, o1, o2, o3, o4, o5, /*o6, o7,*/
+      g1, g4, g5,
+      // f0, f1, f2, f3, f4, f5, f6, f7
+      f8,  f9,  f10, f11, f12, f13, f14, f15,
+      f16, f17, f18, f19, f20, f21, f22, f23,
+      f24, f25, f26, f27, f28, f29, f30, f31,
+      d32, d34, d36, d38, d40, d42, d44, d46,
+      d48, d50, d52, d54, d56, d58, d60, d62
+    };
+    // @formatter:on
+
+    public SPARCHotSpotRegisterAllocationConfig(RegisterConfig registerConfig) {
+        super(registerConfig);
+    }
+
+    @Override
+    protected RegisterArray initAllocatable(RegisterArray registers) {
+        BitSet regMap = new BitSet(registerConfig.getAllocatableRegisters().size());
+        for (Register reg : registers) {
+            regMap.set(reg.number);
+        }
+
+        ArrayList<Register> allocatableRegisters = new ArrayList<>(registers.size());
+        for (Register reg : registerAllocationOrder) {
+            if (regMap.get(reg.number)) {
+                allocatableRegisters.add(reg);
+            }
+        }
+
+        return super.initAllocatable(new RegisterArray(allocatableRegisters));
+    }
+}