src/hotspot/cpu/aarch64/copy_aarch64.hpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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child 53244 9807daeb47c4
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef CPU_AARCH64_VM_COPY_AARCH64_HPP
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#define CPU_AARCH64_VM_COPY_AARCH64_HPP
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// Inline functions for memory copy and fill.
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// Contains inline asm implementations
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#include OS_CPU_HEADER_INLINE(copy)
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static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
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  julong* to = (julong*) tohw;
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  julong  v  = ((julong) value << 32) | value;
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  while (count-- > 0) {
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    *to++ = v;
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  }
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}
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static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
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  pd_fill_to_words(tohw, count, value);
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}
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static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
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  (void)memset(to, value, count);
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}
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static void pd_zero_to_words(HeapWord* tohw, size_t count) {
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  pd_fill_to_words(tohw, count, 0);
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}
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static void pd_zero_to_bytes(void* to, size_t count) {
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  (void)memset(to, 0, count);
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}
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#endif // CPU_AARCH64_VM_COPY_AARCH64_HPP