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src/hotspot/os_cpu/bsd_aarch64/prefetch_bsd_aarch64.inline.hpp

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18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  *
25  */
26 
27 #ifndef OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
28 #define OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
29 
30 #include "runtime/prefetch.hpp"
31 
32 
33 inline void Prefetch::read (void *loc, intx interval) {
34   if (interval >= 0)
35     asm("prfm PLDL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
36 }
37 




38 inline void Prefetch::write(void *loc, intx interval) {
39   if (interval >= 0)
40     asm("prfm PSTL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
41 }
42 
43 #endif // OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP

18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  *
25  */
26 
27 #ifndef OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
28 #define OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
29 
30 #include "runtime/prefetch.hpp"
31 
32 
33 inline void Prefetch::read (void *loc, intx interval) {
34   if (interval >= 0)
35     asm("prfm PLDL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
36 }
37 
38 inline void Prefetch::read_streaming(void *loc, intx interval) {
39   read (loc, interval);
40 }
41 
42 inline void Prefetch::write(void *loc, intx interval) {
43   if (interval >= 0)
44     asm("prfm PSTL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
45 }
46 
47 #endif // OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
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