11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "assembler_zero.inline.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "runtime/java.hpp"
30 #include "runtime/stubCodeGenerator.hpp"
31 #include "vm_version_zero.hpp"
32
33
34 void VM_Version::initialize() {
35 // This machine does not allow unaligned memory accesses
36 if (! FLAG_IS_DEFAULT(UseUnalignedAccesses)) {
37 warning("Unaligned memory access is not available on this CPU");
38 FLAG_SET_DEFAULT(UseUnalignedAccesses, false);
39 }
40 // Disable prefetching for Zero
41 if (! FLAG_IS_DEFAULT(AllocatePrefetchDistance)) {
42 warning("Prefetching is not available for a Zero VM");
43 }
44 FLAG_SET_DEFAULT(AllocatePrefetchDistance, 0);
45 }
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "assembler_zero.inline.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "runtime/java.hpp"
30 #include "runtime/stubCodeGenerator.hpp"
31 #include "runtime/vm_version.hpp"
32
33
34 void VM_Version::initialize() {
35 // This machine does not allow unaligned memory accesses
36 if (! FLAG_IS_DEFAULT(UseUnalignedAccesses)) {
37 warning("Unaligned memory access is not available on this CPU");
38 FLAG_SET_DEFAULT(UseUnalignedAccesses, false);
39 }
40 // Disable prefetching for Zero
41 if (! FLAG_IS_DEFAULT(AllocatePrefetchDistance)) {
42 warning("Prefetching is not available for a Zero VM");
43 }
44 FLAG_SET_DEFAULT(AllocatePrefetchDistance, 0);
45 }
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