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 */
24
25 /**
26 * @test
27 * @bug 8074869
28 * @summary C2 code generator can replace -0.0f with +0.0f on Linux
29 * @run main ConstFPVectorization 8
30 * @author volker.simonis@gmail.com
31 *
32 */
33
34 public class ConstFPVectorization {
35
36 static float[] f = new float[16];
37 static double[] d = new double[16];
38
39 static void floatLoop(int count) {
40 for (int i = 0; i < count; i++) {
41 f[i] = -0.0f;
42 }
43 }
44
45 static void doubleLoop(int count) {
46 for (int i = 0; i < count; i++) {
47 d[i] = -0.0d;
48 }
49 }
50
51 public static void main(String args[]) {
52 for (int i = 0; i < 10_000; i++) {
53 floatLoop(Integer.parseInt(args[0]));
|
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 */
24
25 /**
26 * @test
27 * @bug 8074869
28 * @summary C2 code generator can replace -0.0f with +0.0f on Linux
29 * @run main compiler.loopopts.ConstFPVectorization 8
30 * @author volker.simonis@gmail.com
31 */
32
33 package compiler.loopopts;
34
35 public class ConstFPVectorization {
36
37 static float[] f = new float[16];
38 static double[] d = new double[16];
39
40 static void floatLoop(int count) {
41 for (int i = 0; i < count; i++) {
42 f[i] = -0.0f;
43 }
44 }
45
46 static void doubleLoop(int count) {
47 for (int i = 0; i < count; i++) {
48 d[i] = -0.0d;
49 }
50 }
51
52 public static void main(String args[]) {
53 for (int i = 0; i < 10_000; i++) {
54 floatLoop(Integer.parseInt(args[0]));
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