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 package jdk.vm.ci.hotspot.amd64;
24
25 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
26 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
27
28 class AMD64HotSpotVMConfig extends HotSpotVMConfigAccess {
29
30 AMD64HotSpotVMConfig(HotSpotVMConfigStore config) {
31 super(config);
32 }
33
34 /**
35 * Maximum allowed size of allocated area for a frame.
36 */
37 final int maxFrameSize = 16 * 1024;
38
39 final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows");
40
41 final boolean useCountLeadingZerosInstruction = getFlag("UseCountLeadingZerosInstruction", Boolean.class);
42 final boolean useCountTrailingZerosInstruction = getFlag("UseCountTrailingZerosInstruction", Boolean.class);
43 final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
44
45 // CPU capabilities
46 final int useSSE = getFlag("UseSSE", Integer.class);
47 final int useAVX = getFlag("UseAVX", Integer.class);
48
49 final long vmVersionFeatures = getFieldValue("Abstract_VM_Version::_features", Long.class, "uint64_t");
50
51 // CPU feature flags
52 final long amd64CX8 = getConstant("VM_Version::CPU_CX8", Long.class);
53 final long amd64CMOV = getConstant("VM_Version::CPU_CMOV", Long.class);
54 final long amd64FXSR = getConstant("VM_Version::CPU_FXSR", Long.class);
55 final long amd64HT = getConstant("VM_Version::CPU_HT", Long.class);
56 final long amd64MMX = getConstant("VM_Version::CPU_MMX", Long.class);
57 final long amd643DNOWPREFETCH = getConstant("VM_Version::CPU_3DNOW_PREFETCH", Long.class);
58 final long amd64SSE = getConstant("VM_Version::CPU_SSE", Long.class);
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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 package jdk.vm.ci.hotspot.amd64;
24
25 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
26 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
27
28 class AMD64HotSpotVMConfig extends HotSpotVMConfigAccess {
29
30 AMD64HotSpotVMConfig(HotSpotVMConfigStore config) {
31 super(config);
32 }
33
34 final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows");
35
36 final boolean useCountLeadingZerosInstruction = getFlag("UseCountLeadingZerosInstruction", Boolean.class);
37 final boolean useCountTrailingZerosInstruction = getFlag("UseCountTrailingZerosInstruction", Boolean.class);
38 final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
39
40 // CPU capabilities
41 final int useSSE = getFlag("UseSSE", Integer.class);
42 final int useAVX = getFlag("UseAVX", Integer.class);
43
44 final long vmVersionFeatures = getFieldValue("Abstract_VM_Version::_features", Long.class, "uint64_t");
45
46 // CPU feature flags
47 final long amd64CX8 = getConstant("VM_Version::CPU_CX8", Long.class);
48 final long amd64CMOV = getConstant("VM_Version::CPU_CMOV", Long.class);
49 final long amd64FXSR = getConstant("VM_Version::CPU_FXSR", Long.class);
50 final long amd64HT = getConstant("VM_Version::CPU_HT", Long.class);
51 final long amd64MMX = getConstant("VM_Version::CPU_MMX", Long.class);
52 final long amd643DNOWPREFETCH = getConstant("VM_Version::CPU_3DNOW_PREFETCH", Long.class);
53 final long amd64SSE = getConstant("VM_Version::CPU_SSE", Long.class);
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