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src/hotspot/os_cpu/linux_aarch64/prefetch_linux_aarch64.inline.hpp

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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 #ifndef OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
27 #define OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
28 
29 #include "runtime/prefetch.hpp"
30 
31 
32 inline void Prefetch::read (void *loc, intx interval) {
33   if (interval >= 0)
34     asm("prfm PLDL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
35 }
36 




37 inline void Prefetch::write(void *loc, intx interval) {
38   if (interval >= 0)
39     asm("prfm PSTL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
40 }
41 
42 #endif // OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP

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 #ifndef OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
27 #define OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
28 
29 #include "runtime/prefetch.hpp"
30 
31 
32 inline void Prefetch::read (void *loc, intx interval) {
33   if (interval >= 0)
34     asm("prfm PLDL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
35 }
36 
37 inline void Prefetch::read_streaming(void *loc, intx interval) {
38   read (loc, interval);
39 }
40 
41 inline void Prefetch::write(void *loc, intx interval) {
42   if (interval >= 0)
43     asm("prfm PSTL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
44 }
45 
46 #endif // OS_CPU_LINUX_AARCH64_PREFETCH_LINUX_AARCH64_INLINE_HPP
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