Mercurial > hg > truffle
annotate src/os_cpu/bsd_x86/vm/os_bsd_x86.inline.hpp @ 8514:32e57c4e0e9d
-Fix compilation error
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Mon, 25 Mar 2013 16:20:07 +0100 |
parents | b9a9ed0f8eeb |
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1 /* |
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 * |
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23 */ |
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24 |
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25 #ifndef OS_CPU_BSD_X86_VM_OS_BSD_X86_INLINE_HPP |
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26 #define OS_CPU_BSD_X86_VM_OS_BSD_X86_INLINE_HPP |
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27 |
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28 #include "runtime/os.hpp" |
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29 |
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30 // See http://www.technovelty.org/code/c/reading-rdtsc.htl for details |
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31 inline jlong os::rdtsc() { |
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32 #ifndef AMD64 |
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33 // 64 bit result in edx:eax |
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34 uint64_t res; |
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35 __asm__ __volatile__ ("rdtsc" : "=A" (res)); |
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36 return (jlong)res; |
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37 #else |
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38 uint64_t res; |
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39 uint32_t ts1, ts2; |
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40 __asm__ __volatile__ ("rdtsc" : "=a" (ts1), "=d" (ts2)); |
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41 res = ((uint64_t)ts1 | (uint64_t)ts2 << 32); |
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42 return (jlong)res; |
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43 #endif // AMD64 |
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44 } |
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45 |
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46 #endif // OS_CPU_BSD_X86_VM_OS_BSD_X86_INLINE_HPP |