Mercurial > hg > truffle
annotate src/cpu/x86/vm/copy_x86.hpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | f08d439fab8c |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef CPU_X86_VM_COPY_X86_HPP |
| 26 #define CPU_X86_VM_COPY_X86_HPP | |
| 27 | |
| 0 | 28 // Inline functions for memory copy and fill. |
| 29 | |
| 30 // Contains inline asm implementations | |
| 1972 | 31 #ifdef TARGET_OS_ARCH_linux_x86 |
| 32 # include "copy_linux_x86.inline.hpp" | |
| 33 #endif | |
| 34 #ifdef TARGET_OS_ARCH_solaris_x86 | |
| 35 # include "copy_solaris_x86.inline.hpp" | |
| 36 #endif | |
| 37 #ifdef TARGET_OS_ARCH_windows_x86 | |
| 38 # include "copy_windows_x86.inline.hpp" | |
| 39 #endif | |
| 3960 | 40 #ifdef TARGET_OS_ARCH_bsd_x86 |
| 41 # include "copy_bsd_x86.inline.hpp" | |
| 42 #endif | |
| 1972 | 43 |
| 0 | 44 |
| 45 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) { | |
| 46 #ifdef AMD64 | |
| 47 julong* to = (julong*) tohw; | |
| 48 julong v = ((julong) value << 32) | value; | |
| 49 while (count-- > 0) { | |
| 50 *to++ = v; | |
| 51 } | |
| 52 #else | |
| 53 juint* to = (juint*)tohw; | |
| 54 count *= HeapWordSize / BytesPerInt; | |
| 55 while (count-- > 0) { | |
| 56 *to++ = value; | |
| 57 } | |
| 58 #endif // AMD64 | |
| 59 } | |
| 60 | |
| 61 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) { | |
| 62 pd_fill_to_words(tohw, count, value); | |
| 63 } | |
| 64 | |
| 65 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) { | |
| 66 (void)memset(to, value, count); | |
| 67 } | |
| 68 | |
| 69 static void pd_zero_to_words(HeapWord* tohw, size_t count) { | |
| 70 pd_fill_to_words(tohw, count, 0); | |
| 71 } | |
| 72 | |
| 73 static void pd_zero_to_bytes(void* to, size_t count) { | |
| 74 (void)memset(to, 0, count); | |
| 75 } | |
| 1972 | 76 |
| 77 #endif // CPU_X86_VM_COPY_X86_HPP |