/* * Copyright (c) 2003, 2026, 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_BSD_X86_PREFETCH_BSD_X86_INLINE_HPP #define OS_CPU_BSD_X86_PREFETCH_BSD_X86_INLINE_HPP // Included in runtime/prefetch.inline.hpp inline void Prefetch::read (const void *loc, intx interval) { __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval)); } inline void Prefetch::write(void *loc, intx interval) { // Do not use the 3dnow prefetchw instruction. It isn't supported on em64t. // __asm__ ("prefetchw (%0,%1,1)" : : "r" (loc), "r" (interval)); __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval)); } #endif // OS_CPU_BSD_X86_PREFETCH_BSD_X86_INLINE_HPP