src/hotspot/cpu/arm/copy_arm.hpp
author stefank
Fri, 04 May 2018 11:41:35 +0200
changeset 49982 9042ffe5b7fe
parent 47216 71c04702a3d5
child 53244 9807daeb47c4
permissions -rw-r--r--
8200729: Conditional compilation of GCs Reviewed-by: ehelin, coleenp, kvn, ihse
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/*
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 * Copyright (c) 2008, 2016, Oracle and/or its affiliates. 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_ARM_VM_COPY_ARM_HPP
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#define CPU_ARM_VM_COPY_ARM_HPP
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#include "utilities/macros.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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  juint* to = (juint*)tohw;
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  count *= HeapWordSize / BytesPerInt;
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  while (count-- > 0) {
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    *to++ = value;
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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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  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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  memset(to, 0, count);
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}
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#endif // CPU_ARM_VM_COPY_ARM_HPP