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comparison graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/loop/LoopSpilling.java @ 21774:f69b18d4dcc7

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Add LoopSpilling.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 03 Jun 2015 16:53:55 +0200
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21773:0df7d7d6c25b 21774:f69b18d4dcc7
1 /*
2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.graal.jtt.loop;
24
25 import org.junit.*;
26
27 import com.oracle.graal.jtt.*;
28
29 public class LoopSpilling extends JTTTest {
30
31 private static final int ITERATION = 64;
32
33 /**
34 * Modification of sun.security.provider.SHA2.implCompress().
35 */
36 void test(int[] state) {
37
38 int a1 = state[0];
39 int b1 = state[1];
40 int c1 = state[2];
41 int d1 = state[3];
42 int e1 = state[4];
43 int f1 = state[5];
44 int g1 = state[6];
45 int h1 = state[7];
46
47 // 2nd
48 int a2 = state[8];
49 int b2 = state[9];
50 int c2 = state[10];
51 int d2 = state[11];
52 int e2 = state[12];
53 int f2 = state[13];
54 int g2 = state[14];
55 int h2 = state[15];
56
57 for (int i = 0; i < ITERATION; i++) {
58 h1 = g1;
59 g1 = f1;
60 f1 = e1;
61 e1 = d1;
62 d1 = c1;
63 c1 = b1;
64 b1 = a1;
65 a1 = h1;
66 // 2nd
67 h2 = g2;
68 g2 = f2;
69 f2 = e2;
70 e2 = d2;
71 d2 = c2;
72 c2 = b2;
73 b2 = a2;
74 a2 = h2;
75 }
76 state[0] += a1;
77 state[1] += b1;
78 state[2] += c1;
79 state[3] += d1;
80 state[4] += e1;
81 state[5] += f1;
82 state[6] += g1;
83 state[7] += h1;
84 // 2nd
85 state[8] += a2;
86 state[9] += b2;
87 state[10] += c2;
88 state[11] += d2;
89 state[12] += e2;
90 state[13] += f2;
91 state[14] += g2;
92 state[15] += h2;
93 }
94
95 private static final int[] INITIAL_HASHES = {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4, 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
96 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
97
98 @Test
99 public void run0() throws Throwable {
100 runTest("test", supply(() -> INITIAL_HASHES.clone()));
101 }
102
103 }