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comparison test/compiler/6797305/Test6797305.java @ 624:337400e7a5dd

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6797305: Add LoadUB and LoadUI opcode class Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher. Reviewed-by: never, kvn
author twisti
date Mon, 09 Mar 2009 03:17:11 -0700
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children c18cbe5936b8
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623:9adddb8c0fc8 624:337400e7a5dd
1 /*
2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
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 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 /**
25 * @test
26 * @bug 6797305
27 * @summary Add LoadUB and LoadUI opcode class
28 *
29 * @run main/othervm -Xcomp -XX:CompileOnly=Test6797305.loadB,Test6797305.loadB2L,Test6797305.loadUB,Test6797305.loadUBmask,Test6797305.loadUB2L,Test6797305.loadS,Test6797305.loadS2L,Test6797305.loadUS,Test6797305.loadUSmask,Test6797305.loadUS2L,Test6797305.loadI,Test6797305.loadI2L,Test6797305.loadUI2L,Test6797305.loadL Test6797305
30 */
31
32 public class Test6797305 {
33 static final byte[] ba = new byte[] { -1 };
34 static final short[] sa = new short[] { -1 };
35 static final int[] ia = new int[] { -1 };
36 static final long[] la = new long[] { -1 };
37
38 public static void main(String[] args)
39 {
40 long b = loadB(ba);
41 if (b != -1)
42 throw new InternalError("loadB failed: " + b + " != " + -1);
43
44 long b2l = loadB2L(ba);
45 if (b2l != -1L)
46 throw new InternalError("loadB2L failed: " + b2l + " != " + -1L);
47
48 int ub = loadUB(ba);
49 if (ub != 0xFF)
50 throw new InternalError("loadUB failed: " + ub + " != " + 0xFF);
51
52 int ubmask = loadUBmask(ba);
53 if (ubmask != 0xFE)
54 throw new InternalError("loadUBmask failed: " + ubmask + " != " + 0xFE);
55
56 long ub2l = loadUB2L(ba);
57 if (ub2l != 0xFFL)
58 throw new InternalError("loadUB2L failed: " + ub2l + " != " + 0xFFL);
59
60 int s = loadS(sa);
61 if (s != -1)
62 throw new InternalError("loadS failed: " + s + " != " + -1);
63
64 long s2l = loadS2L(sa);
65 if (s2l != -1L)
66 throw new InternalError("loadS2L failed: " + s2l + " != " + -1L);
67
68 int us = loadUS(sa);
69 if (us != 0xFFFF)
70 throw new InternalError("loadUS failed: " + us + " != " + 0xFFFF);
71
72 int usmask = loadUSmask(sa);
73 if (usmask != 0xFFFE)
74 throw new InternalError("loadUBmask failed: " + ubmask + " != " + 0xFFFE);
75
76 long us2l = loadUS2L(sa);
77 if (us2l != 0xFFFFL)
78 throw new InternalError("loadUS2L failed: " + us2l + " != " + 0xFFFFL);
79
80 int i = loadI(ia);
81 if (i != -1)
82 throw new InternalError("loadI failed: " + i + " != " + -1);
83
84 long i2l = loadI2L(ia);
85 if (i2l != -1L)
86 throw new InternalError("loadI2L failed: " + i2l + " != " + -1L);
87
88 long ui2l = loadUI2L(ia);
89 if (ui2l != 0xFFFFFFFFL)
90 throw new InternalError("loadUI2L failed: " + ui2l + " != " + 0xFFFFFFFFL);
91
92 long l = loadL(la);
93 if (l != -1L)
94 throw new InternalError("loadL failed: " + l + " != " + -1L);
95 }
96
97 static int loadB (byte[] ba) { return ba[0]; }
98 static long loadB2L (byte[] ba) { return ba[0]; }
99 static int loadUB (byte[] ba) { return ba[0] & 0xFF; }
100 static int loadUBmask(byte[] ba) { return ba[0] & 0xFE; }
101 static long loadUB2L (byte[] ba) { return ba[0] & 0xFF; }
102
103 static int loadS (short[] sa) { return sa[0]; }
104 static long loadS2L (short[] sa) { return sa[0]; }
105 static int loadUS (short[] sa) { return sa[0] & 0xFFFF; }
106 static int loadUSmask(short[] sa) { return sa[0] & 0xFFFE; }
107 static long loadUS2L (short[] sa) { return sa[0] & 0xFFFF; }
108
109 static int loadI (int[] ia) { return ia[0]; }
110 static long loadI2L (int[] ia) { return ia[0]; }
111 static long loadUI2L (int[] ia) { return ia[0] & 0xFFFFFFFFL; }
112
113 static long loadL (long[] la) { return la[0]; }
114 }