6757316: load_constant() produces a wrong long constant, with high a low words swapped
Reviewed-by: rasbold, jrose, kvn
--- a/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp Fri Dec 12 19:53:25 2008 -0800
+++ b/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp Fri Dec 12 19:54:46 2008 -0800
@@ -1210,8 +1210,8 @@
break;
case T_LONG:
case T_DOUBLE:
- if (c->as_jint_hi_bits() != other->as_jint_lo_bits()) continue;
- if (c->as_jint_lo_bits() != other->as_jint_hi_bits()) continue;
+ if (c->as_jint_hi_bits() != other->as_jint_hi_bits()) continue;
+ if (c->as_jint_lo_bits() != other->as_jint_lo_bits()) continue;
break;
case T_OBJECT:
if (c->as_jobject() != other->as_jobject()) continue;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6757316/Test6757316.java Fri Dec 12 19:54:46 2008 -0800
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug 6757316
+ * @summary load_constant() produces a wrong long constant, with high a low words swapped
+ * @run main/othervm -Xcomp Test6757316
+ */
+
+public class Test6757316 {
+ public static void main(String[] args) {
+ long[] arr = {
+ 0x11111111aaaaaaaaL,
+ 0xaaaaaaaa11111111L,
+ 0x11111111aaaaaaaaL,
+ 0xaaaaaaaa11111111L
+ };
+ if (arr[0] == arr[1]) {
+ throw new InternalError();
+ }
+ }
+}