154a1a02bf
Use script and some manual fixup to fix directores names in include guards. Reviewed-by: lfoltan, eosterlund, kbarrett
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/*
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* Copyright (c) 2003, 2019, 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 OS_CPU_LINUX_X86_PREFETCH_LINUX_X86_INLINE_HPP
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#define OS_CPU_LINUX_X86_PREFETCH_LINUX_X86_INLINE_HPP
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#include "runtime/prefetch.hpp"
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inline void Prefetch::read (void *loc, intx interval) {
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#ifdef AMD64
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__asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval));
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#endif // AMD64
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}
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inline void Prefetch::write(void *loc, intx interval) {
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#ifdef AMD64
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// Do not use the 3dnow prefetchw instruction. It isn't supported on em64t.
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// __asm__ ("prefetchw (%0,%1,1)" : : "r" (loc), "r" (interval));
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__asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval));
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#endif // AMD64
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}
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#endif // OS_CPU_LINUX_X86_PREFETCH_LINUX_X86_INLINE_HPP
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