8 *
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 #ifndef CPU_X86_VM_VMREG_X86_HPP
26 #define CPU_X86_VM_VMREG_X86_HPP
27
28 bool is_Register();
29 Register as_Register();
30
31 bool is_FloatRegister();
32 FloatRegister as_FloatRegister();
33
34 bool is_XMMRegister();
35 XMMRegister as_XMMRegister();
36
37 #endif // CPU_X86_VM_VMREG_X86_HPP
|
8 *
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 #ifndef CPU_X86_VM_VMREG_X86_HPP
26 #define CPU_X86_VM_VMREG_X86_HPP
27
28
29
30 inline bool is_Register() {
31 return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
32 }
33
34 inline bool is_FloatRegister() {
35 return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
36 }
37
38 inline bool is_XMMRegister() {
39 return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm;
40 }
41
42 inline Register as_Register() {
43
44 assert( is_Register(), "must be");
45 // Yuk
46 #ifdef AMD64
47 return ::as_Register(value() >> 1);
48 #else
49 return ::as_Register(value());
50 #endif // AMD64
51 }
52
53 inline FloatRegister as_FloatRegister() {
54 assert( is_FloatRegister() && is_even(value()), "must be" );
55 // Yuk
56 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
57 }
58
59 inline XMMRegister as_XMMRegister() {
60 assert( is_XMMRegister() && is_even(value()), "must be" );
61 // Yuk
62 return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 3);
63 }
64
65 inline bool is_concrete() {
66 assert(is_reg(), "must be");
67 #ifndef AMD64
68 if (is_Register()) return true;
69 #endif // AMD64
70 return is_even(value());
71 }
72
73 #endif // CPU_X86_VM_VMREG_X86_HPP
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