Mercurial > hg > graal-compiler
view src/cpu/x86/vm/copy_x86.hpp @ 2629:8741e469f674
Merge
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Tue, 10 May 2011 16:57:28 +0200 |
parents | f95d63e2154a |
children | f08d439fab8c |
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/* * 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 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