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src/hotspot/os_cpu/linux_arm/prefetch_linux_arm.inline.hpp
40 строк
2 KB
Harold Seigel
8269853: Prefetch::read should accept pointer to const
25 окт 2021, 22:44
25 окт 2021, 22:44
337a9b7
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/* * Copyright (c) 2008, 2021, 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 OS_CPU_LINUX_ARM_PREFETCH_LINUX_ARM_INLINE_HPP #define OS_CPU_LINUX_ARM_PREFETCH_LINUX_ARM_INLINE_HPP #include "runtime/prefetch.hpp" inline void Prefetch::read (const void *loc, intx interval) { #if defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_5TE__) __asm__ volatile ("pld [%0]" : : "r" (loc)); #endif } inline void Prefetch::write(void *loc, intx interval) { // Not available on 32-bit ARM (prior to ARMv7 with MP extensions) } #endif // OS_CPU_LINUX_ARM_PREFETCH_LINUX_ARM_INLINE_HPP