Mercurial > hg > truffle
view src/os_cpu/linux_x86/vm/prefetch_linux_x86.inline.hpp @ 10333:6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
Summary: Instead of using a simple sizeof(), ask the PerRegionTable class about its size when iterating over the free list.
Reviewed-by: jwilhelm, brutisso
author | tschatzl |
---|---|
date | Tue, 21 May 2013 11:30:14 +0200 |
parents | f95d63e2154a |
children |
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/* * Copyright (c) 2003, 2010, 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_X86_VM_PREFETCH_LINUX_X86_INLINE_HPP #define OS_CPU_LINUX_X86_VM_PREFETCH_LINUX_X86_INLINE_HPP #include "runtime/prefetch.hpp" inline void Prefetch::read (void *loc, intx interval) { #ifdef AMD64 __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval)); #endif // AMD64 } inline void Prefetch::write(void *loc, intx interval) { #ifdef AMD64 // 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 // AMD64 } #endif // OS_CPU_LINUX_X86_VM_PREFETCH_LINUX_X86_INLINE_HPP