# HG changeset patch
# User never
# Date 1319838292 25200
# Node ID eba044a722a42865a3a034be787b59aa97ec5042
# Parent  f350490a45fd1e386782132305f45841fe0b7bef
7103261: crash with jittester on sparc
Reviewed-by: iveresov, kvn

diff -r f350490a45fd -r eba044a722a4 src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
--- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Thu Oct 27 18:20:50 2011 -0700
+++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Fri Oct 28 14:44:52 2011 -0700
@@ -1116,7 +1116,7 @@
       } else {
         __ set(value_hi, O7);
       }
-      offset = store(tmp, base, addr->disp() + hi_word_offset_in_bytes, T_INT, wide, false);
+      store(tmp, base, addr->disp() + hi_word_offset_in_bytes, T_INT, wide, false);
       break;
     }
     case T_OBJECT: {
diff -r f350490a45fd -r eba044a722a4 test/compiler/7103261/Test7103261.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/7103261/Test7103261.java	Fri Oct 28 14:44:52 2011 -0700
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2011, 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.
+ *
+ */
+
+/**
+ * @test
+ * @bug 7103261
+ * @summary crash with jittester on sparc
+ *
+ * @run main Test7103261
+ */
+
+// exercise implicit null checking in the compiler for various field types
+public class Test7103261 {
+    static Test7103261 null_value;
+    static Test7103261 nonnull_value = new Test7103261();
+    static Test7103261 nonnull_value2 = new Test7103261();
+
+    long l;
+    int i;
+    float f;
+    double d;
+    byte b;
+    char c;
+    short s;
+    boolean z;
+
+    public static void main(String[] args) {
+        constantStore();
+        valueTest(false);
+        valueTest(true);
+    }
+    static void constantStore() {
+        for (int field = 0; field < 8; field++) {
+            try {
+                Test7103261 o = nonnull_value;
+                for (int i = 0; i < 100000; i++) {
+                    switch (field) {
+                    case 0: o.l = 0; break;
+                    case 1: o.i = 0; break;
+                    case 2: o.f = 0; break;
+                    case 3: o.d = 0; break;
+                    case 4: o.b = 0; break;
+                    case 5: o.c = 0; break;
+                    case 6: o.s = 0; break;
+                    case 7: o.z = false; break;
+                    default: throw new InternalError();
+                    }
+                    if (i == 90000) {
+                        // hide nullness from optimizer
+                        o = null_value;
+                    }
+                }
+            } catch (NullPointerException npe) {
+            }
+        }
+    }
+    static void valueTest(boolean store) {
+        for (int field = 0; field < 8; field++) {
+            try {
+                Test7103261 o  = nonnull_value;
+                Test7103261 o2 = nonnull_value2;
+                for (int i = 0; i < 100000; i++) {
+                    switch (field) {
+                    case 0: o.l = o2.l; break;
+                    case 1: o.i = o2.i; break;
+                    case 2: o.f = o2.f; break;
+                    case 3: o.d = o2.d; break;
+                    case 4: o.b = o2.b; break;
+                    case 5: o.c = o2.c; break;
+                    case 6: o.s = o2.s; break;
+                    case 7: o.z = o2.z; break;
+                    default: throw new InternalError();
+                    }
+                    if (i == 90000) {
+                        // hide nullness from optimizer
+                        if (store)
+                            o = null_value;
+                        else
+                            o2 = null_value;
+                    }
+                }
+            } catch (NullPointerException npe) {
+            }
+        }
+    }
+}