changeset 21774:f69b18d4dcc7

Add LoopSpilling.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 03 Jun 2015 16:53:55 +0200
parents 0df7d7d6c25b
children b0df81ea5b20
files graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/loop/LoopSpilling.java
diffstat 1 files changed, 103 insertions(+), 0 deletions(-) [+]
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/loop/LoopSpilling.java	Wed Jun 03 16:53:55 2015 +0200
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.jtt.loop;
+
+import org.junit.*;
+
+import com.oracle.graal.jtt.*;
+
+public class LoopSpilling extends JTTTest {
+
+    private static final int ITERATION = 64;
+
+    /**
+     * Modification of sun.security.provider.SHA2.implCompress().
+     */
+    void test(int[] state) {
+
+        int a1 = state[0];
+        int b1 = state[1];
+        int c1 = state[2];
+        int d1 = state[3];
+        int e1 = state[4];
+        int f1 = state[5];
+        int g1 = state[6];
+        int h1 = state[7];
+
+        // 2nd
+        int a2 = state[8];
+        int b2 = state[9];
+        int c2 = state[10];
+        int d2 = state[11];
+        int e2 = state[12];
+        int f2 = state[13];
+        int g2 = state[14];
+        int h2 = state[15];
+
+        for (int i = 0; i < ITERATION; i++) {
+            h1 = g1;
+            g1 = f1;
+            f1 = e1;
+            e1 = d1;
+            d1 = c1;
+            c1 = b1;
+            b1 = a1;
+            a1 = h1;
+            // 2nd
+            h2 = g2;
+            g2 = f2;
+            f2 = e2;
+            e2 = d2;
+            d2 = c2;
+            c2 = b2;
+            b2 = a2;
+            a2 = h2;
+        }
+        state[0] += a1;
+        state[1] += b1;
+        state[2] += c1;
+        state[3] += d1;
+        state[4] += e1;
+        state[5] += f1;
+        state[6] += g1;
+        state[7] += h1;
+        // 2nd
+        state[8] += a2;
+        state[9] += b2;
+        state[10] += c2;
+        state[11] += d2;
+        state[12] += e2;
+        state[13] += f2;
+        state[14] += g2;
+        state[15] += h2;
+    }
+
+    private static final int[] INITIAL_HASHES = {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4, 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+                    0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
+
+    @Test
+    public void run0() throws Throwable {
+        runTest("test", supply(() -> INITIAL_HASHES.clone()));
+    }
+
+}