/*

 * Copyright (c) 2003, 2010, 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.

 *

 */

#ifndef CPU_X86_VM_COPY_X86_HPP

#define CPU_X86_VM_COPY_X86_HPP

// Inline functions for memory copy and fill.

// Contains inline asm implementations

#ifdef TARGET_OS_ARCH_linux_x86

# include "copy_linux_x86.inline.hpp"

#endif

#ifdef TARGET_OS_ARCH_solaris_x86

# include "copy_solaris_x86.inline.hpp"

#endif

#ifdef TARGET_OS_ARCH_windows_x86

# include "copy_windows_x86.inline.hpp"

#endif

#ifdef TARGET_OS_ARCH_bsd_x86

# include "copy_bsd_x86.inline.hpp"

#endif

static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {

#ifdef AMD64

  julong* to = (julong*) tohw;

  julong  v  = ((julong) value << 32) | value;

  while (count-- > 0) {

    *to++ = v;

  }

#else

  juint* to = (juint*)tohw;

  count *= HeapWordSize / BytesPerInt;

  while (count-- > 0) {

    *to++ = value;

  }

#endif // AMD64

}

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_X86_VM_COPY_X86_HPP