Mercurial > hg > graal-compiler
view src/os_cpu/aix_ppc/vm/prefetch_aix_ppc.inline.hpp @ 20337:1f1d373cd044
8038423: G1: Decommit memory within heap
Summary: Allow G1 to decommit memory of arbitrary regions within the heap and their associated auxiliary data structures card table, BOT, hot card cache, and mark bitmaps.
Reviewed-by: mgerdin, brutisso, jwilhelm
author | tschatzl |
---|---|
date | Thu, 21 Aug 2014 11:47:10 +0200 |
parents | 666e6ce3976c |
children | c5e86c5cd22e |
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/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright 2012, 2013 SAP AG. 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_AIX_PPC_64_VM_PREFETCH_AIX_PPC_64_INLINE_HPP #define OS_CPU_AIX_PPC_64_VM_PREFETCH_AIX_PPC_64_INLINE_HPP #include "runtime/prefetch.hpp" inline void Prefetch::read(void *loc, intx interval) { #if !defined(USE_XLC_BUILTINS) __asm__ __volatile__ ( " dcbt 0, %0 \n" : : /*%0*/"r" ( ((address)loc) +((long)interval) ) //: ); #else __dcbt(((address)loc) +((long)interval)); #endif } inline void Prefetch::write(void *loc, intx interval) { #if !defined(USE_XLC_PREFETCH_WRITE_BUILTIN) __asm__ __volatile__ ( " dcbtst 0, %0 \n" : : /*%0*/"r" ( ((address)loc) +((long)interval) ) //: ); #else __dcbtst( ((address)loc) +((long)interval) ); #endif } #endif // OS_CPU_AIX_PPC_64_VM_PREFETCH_AIX_PPC_64_INLINE_HPP