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 #include "precompiled.hpp"
26 #include "opto/compile.hpp"
27 #include "opto/regmask.hpp"
28 #if defined AD_MD_HPP
29 # include AD_MD_HPP
30 #elif defined TARGET_ARCH_MODEL_x86_32
31 # include "adfiles/ad_x86_32.hpp"
32 #elif defined TARGET_ARCH_MODEL_x86_64
33 # include "adfiles/ad_x86_64.hpp"
34 #elif defined TARGET_ARCH_MODEL_sparc
35 # include "adfiles/ad_sparc.hpp"
36 #elif defined TARGET_ARCH_MODEL_zero
37 # include "adfiles/ad_zero.hpp"
38 #elif defined TARGET_ARCH_MODEL_ppc_64
39 # include "adfiles/ad_ppc_64.hpp"
40 #endif
41
42 #define RM_SIZE _RM_SIZE /* a constant private to the class RegMask */
43
44 //-------------Non-zero bit search methods used by RegMask---------------------
45 // Find lowest 1, or return 32 if empty
46 int find_lowest_bit( uint32 mask ) {
47 int n = 0;
48 if( (mask & 0xffff) == 0 ) {
49 mask >>= 16;
50 n += 16;
51 }
52 if( (mask & 0xff) == 0 ) {
53 mask >>= 8;
|
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 #include "precompiled.hpp"
26 #include "opto/compile.hpp"
27 #include "opto/regmask.hpp"
28 #if defined AD_MD_HPP
29 # include AD_MD_HPP
30 #elif defined TARGET_ARCH_MODEL_x86_32
31 # include "adfiles/ad_x86_32.hpp"
32 #elif defined TARGET_ARCH_MODEL_x86_64
33 # include "adfiles/ad_x86_64.hpp"
34 #elif defined TARGET_ARCH_MODEL_aarch64
35 # include "adfiles/ad_aarch64.hpp"
36 #elif defined TARGET_ARCH_MODEL_sparc
37 # include "adfiles/ad_sparc.hpp"
38 #elif defined TARGET_ARCH_MODEL_zero
39 # include "adfiles/ad_zero.hpp"
40 #elif defined TARGET_ARCH_MODEL_ppc_64
41 # include "adfiles/ad_ppc_64.hpp"
42 #endif
43
44 #define RM_SIZE _RM_SIZE /* a constant private to the class RegMask */
45
46 //-------------Non-zero bit search methods used by RegMask---------------------
47 // Find lowest 1, or return 32 if empty
48 int find_lowest_bit( uint32 mask ) {
49 int n = 0;
50 if( (mask & 0xffff) == 0 ) {
51 mask >>= 16;
52 n += 16;
53 }
54 if( (mask & 0xff) == 0 ) {
55 mask >>= 8;
|