| /* |
| * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2014, Red Hat Inc. 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_AARCH64_VM_COPY_AARCH64_HPP |
| #define CPU_AARCH64_VM_COPY_AARCH64_HPP |
| |
| // Inline functions for memory copy and fill. |
| |
| // Contains inline asm implementations |
| #include OS_CPU_HEADER_INLINE(copy) |
| |
| |
| 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_AARCH64_VM_COPY_AARCH64_HPP |