--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/ppc/vm/copy_ppc.hpp	Fri Aug 02 16:46:45 2013 +0200
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012, 2013 SAP AG. 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.
+ *
+ */
+
+#ifndef CPU_PPC_VM_COPY_PPC_HPP
+#define CPU_PPC_VM_COPY_PPC_HPP
+
+#ifndef PPC64
+#error "copy currently only implemented for PPC64"
+#endif
+
+// Inline functions for memory copy and fill.
+
+static void pd_conjoint_words(HeapWord* from, HeapWord* to, size_t count) {
+  (void)memmove(to, from, count * HeapWordSize);
+}
+
+static void pd_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
+  switch (count) {
+  case 8:  to[7] = from[7];
+  case 7:  to[6] = from[6];
+  case 6:  to[5] = from[5];
+  case 5:  to[4] = from[4];
+  case 4:  to[3] = from[3];
+  case 3:  to[2] = from[2];
+  case 2:  to[1] = from[1];
+  case 1:  to[0] = from[0];
+  case 0:  break;
+  default: (void)memcpy(to, from, count * HeapWordSize);
+           break;
+  }
+}
+
+static void pd_disjoint_words_atomic(HeapWord* from, HeapWord* to, size_t count) {
+  switch (count) {
+  case 8:  to[7] = from[7];
+  case 7:  to[6] = from[6];
+  case 6:  to[5] = from[5];
+  case 5:  to[4] = from[4];
+  case 4:  to[3] = from[3];
+  case 3:  to[2] = from[2];
+  case 2:  to[1] = from[1];
+  case 1:  to[0] = from[0];
+  case 0:  break;
+  default: while (count-- > 0) {
+             *to++ = *from++;
+           }
+           break;
+  }
+}
+
+static void pd_aligned_conjoint_words(HeapWord* from, HeapWord* to, size_t count) {
+  (void)memmove(to, from, count * HeapWordSize);
+}
+
+static void pd_aligned_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
+  pd_disjoint_words(from, to, count);
+}
+
+static void pd_conjoint_bytes(void* from, void* to, size_t count) {
+  (void)memmove(to, from, count);
+}
+
+static void pd_conjoint_bytes_atomic(void* from, void* to, size_t count) {
+  (void)memmove(to, from, count);
+}
+
+// Template for atomic, element-wise copy.
+template <class T>
+static void copy_conjoint_atomic(T* from, T* to, size_t count) {
+  if (from > to) {
+    while (count-- > 0) {
+      // Copy forwards
+      *to++ = *from++;
+    }
+  } else {
+    from += count - 1;
+    to   += count - 1;
+    while (count-- > 0) {
+      // Copy backwards
+      *to-- = *from--;
+    }
+  }
+}
+
+static void pd_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) {
+  copy_conjoint_atomic<jshort>(from, to, count);
+}
+
+static void pd_conjoint_jints_atomic(jint* from, jint* to, size_t count) {
+  copy_conjoint_atomic<jint>(from, to, count);
+}
+
+static void pd_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) {
+  copy_conjoint_atomic<jlong>(from, to, count);
+}
+
+static void pd_conjoint_oops_atomic(oop* from, oop* to, size_t count) {
+  copy_conjoint_atomic<oop>(from, to, count);
+}
+
+static void pd_arrayof_conjoint_bytes(HeapWord* from, HeapWord* to, size_t count) {
+  pd_conjoint_bytes_atomic(from, to, count);
+}
+
+static void pd_arrayof_conjoint_jshorts(HeapWord* from, HeapWord* to, size_t count) {
+  pd_conjoint_jshorts_atomic((jshort*)from, (jshort*)to, count);
+}
+
+static void pd_arrayof_conjoint_jints(HeapWord* from, HeapWord* to, size_t count) {
+  pd_conjoint_jints_atomic((jint*)from, (jint*)to, count);
+}
+
+static void pd_arrayof_conjoint_jlongs(HeapWord* from, HeapWord* to, size_t count) {
+  pd_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count);
+}
+
+static void pd_arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) {
+  pd_conjoint_oops_atomic((oop*)from, (oop*)to, count);
+}
+
+static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
+  julong* to = (julong*)tohw;
+  julong  v  = ((julong)value << 32) | value;
+  while (count-- > 0) {
+    *to++ = v;
+  }
+}
+
+static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
+  pd_fill_to_words(tohw, count, value);
+}
+
+static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
+  (void)memset(to, value, count);
+}
+
+static void pd_zero_to_words(HeapWord* tohw, size_t count) {
+  pd_fill_to_words(tohw, count, 0);
+}
+
+static void pd_zero_to_bytes(void* to, size_t count) {
+  (void)memset(to, 0, count);
+}
+
+#endif // CPU_PPC_VM_COPY_PPC_HPP