1 /* |
1 /* |
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2018, 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. |
26 #include "runtime/globals.hpp" |
26 #include "runtime/globals.hpp" |
27 #include "runtime/globals_extension.hpp" |
27 #include "runtime/globals_extension.hpp" |
28 #include "utilities/debug.hpp" |
28 #include "utilities/debug.hpp" |
29 |
29 |
30 void ZArguments::initialize_platform() { |
30 void ZArguments::initialize_platform() { |
|
31 #ifdef COMPILER2 |
31 // The C2 barrier slow path expects vector registers to be least |
32 // The C2 barrier slow path expects vector registers to be least |
32 // 16 bytes wide, which is the minimum width available on all |
33 // 16 bytes wide, which is the minimum width available on all |
33 // x86-64 systems. However, the user could have speficied a lower |
34 // x86-64 systems. However, the user could have speficied a lower |
34 // number on the command-line, in which case we print a warning |
35 // number on the command-line, in which case we print a warning |
35 // and raise it to 16. |
36 // and raise it to 16. |
36 if (MaxVectorSize < 16) { |
37 if (MaxVectorSize < 16) { |
37 warning("ZGC requires MaxVectorSize to be at least 16"); |
38 warning("ZGC requires MaxVectorSize to be at least 16"); |
38 FLAG_SET_DEFAULT(MaxVectorSize, 16); |
39 FLAG_SET_DEFAULT(MaxVectorSize, 16); |
39 } |
40 } |
|
41 #endif |
40 } |
42 } |