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1 /* |
1 /* |
2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
20 * or visit www.oracle.com if you need additional information or have any |
20 * or visit www.oracle.com if you need additional information or have any |
21 * questions. |
21 * questions. |
22 * |
22 * |
23 */ |
23 */ |
24 |
24 |
25 #ifndef CPU_X86_VM_VM_VERSION_X86_HPP |
25 #ifndef CPU_X86_VM_VERSION_X86_HPP |
26 #define CPU_X86_VM_VM_VERSION_X86_HPP |
26 #define CPU_X86_VM_VERSION_X86_HPP |
27 |
27 |
28 #include "runtime/globals_extension.hpp" |
28 #include "runtime/globals_extension.hpp" |
29 #include "runtime/vm_version.hpp" |
29 #include "runtime/vm_version.hpp" |
30 |
30 |
31 class VM_Version : public Abstract_VM_Version { |
31 class VM_Version : public Abstract_VM_Version { |
930 // that can be used for efficient implementation of |
930 // that can be used for efficient implementation of |
931 // the intrinsic for java.lang.Thread.onSpinWait() |
931 // the intrinsic for java.lang.Thread.onSpinWait() |
932 static bool supports_on_spin_wait() { return supports_sse2(); } |
932 static bool supports_on_spin_wait() { return supports_sse2(); } |
933 }; |
933 }; |
934 |
934 |
935 #endif // CPU_X86_VM_VM_VERSION_X86_HPP |
935 #endif // CPU_X86_VM_VERSION_X86_HPP |