Mercurial > hg > truffle
annotate src/cpu/x86/vm/jni_x86.h @ 15388:769fc3629f59
Add phase FlowSensitiveReductionPhase.
It is possible to remove GuardingPiNodes, CheckCastNodes, and FixedGuards during
HighTier under certain conditions (control-flow sensitive conditions).
The phase added in this commit (FlowSensitiveReductionPhase) does that,
and in addition replaces usages with "downcasting" PiNodes when possible
thus resulting in more precise object stamps (e.g., non-null).
Finally, usages of floating, side-effects free, expressions are also simplified
(as per control-flow sensitive conditions).
The newly added phase runs only during HighTier and can be deactivated
using Graal option FlowSensitiveReduction (it is active by default).
| author | Miguel Garcia <miguel.m.garcia@oracle.com> |
|---|---|
| date | Fri, 25 Apr 2014 16:50:52 +0200 |
| parents | 58bb870a0cbd |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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 | |
|
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7 * published by the Free Software Foundation. Oracle designates this |
| 0 | 8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
| 0 | 10 * |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
|
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
| 0 | 24 */ |
| 25 | |
| 26 #ifndef _JAVASOFT_JNI_MD_H_ | |
| 27 #define _JAVASOFT_JNI_MD_H_ | |
| 28 | |
| 3960 | 29 #if defined(SOLARIS) || defined(LINUX) || defined(_ALLBSD_SOURCE) |
| 2191 | 30 |
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31 |
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32 // Note: please do not change these without also changing jni_md.h in the JDK |
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33 // repository |
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34 #ifndef __has_attribute |
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35 #define __has_attribute(x) 0 |
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36 #endif |
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37 #if (defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4) && (__GNUC_MINOR__ > 2))) || __has_attribute(visibility) |
| 2191 | 38 #define JNIEXPORT __attribute__((visibility("default"))) |
| 39 #define JNIIMPORT __attribute__((visibility("default"))) | |
| 40 #else | |
| 0 | 41 #define JNIEXPORT |
| 42 #define JNIIMPORT | |
| 2191 | 43 #endif |
| 44 | |
| 0 | 45 #define JNICALL |
| 46 typedef int jint; | |
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47 #if defined(_LP64) |
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48 typedef long jlong; |
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49 #else |
| 0 | 50 typedef long long jlong; |
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51 #endif |
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52 |
| 0 | 53 #else |
| 54 #define JNIEXPORT __declspec(dllexport) | |
| 55 #define JNIIMPORT __declspec(dllimport) | |
| 56 #define JNICALL __stdcall | |
| 57 | |
| 58 typedef int jint; | |
| 59 typedef __int64 jlong; | |
| 60 #endif | |
| 61 | |
| 62 typedef signed char jbyte; | |
| 63 | |
| 64 #endif /* !_JAVASOFT_JNI_MD_H_ */ |