/*
* 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