Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/vm_version_x86.hpp
src/cpu/x86/vm/vm_version_x86.hpp
- changeset 8729
- 402618d5afc9
- parent 8175
- 6fff3d627d0a
- child 8856
- ac27a9c85bea
equal
deleted
inserted
replaced
| 8728:8119c543f2af | 8729:402618d5afc9 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2014, 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. |
| 593 cores_per_cpu(); | 593 cores_per_cpu(); |
| 594 } | 594 } |
| 595 return (result == 0 ? 1 : result); | 595 return (result == 0 ? 1 : result); |
| 596 } | 596 } |
| 597 | 597 |
| 598 static intx prefetch_data_size() { | 598 static intx L1_line_size() { |
| 599 intx result = 0; | 599 intx result = 0; |
| 600 if (is_intel()) { | 600 if (is_intel()) { |
| 601 result = (_cpuid_info.dcp_cpuid4_ebx.bits.L1_line_size + 1); | 601 result = (_cpuid_info.dcp_cpuid4_ebx.bits.L1_line_size + 1); |
| 602 } else if (is_amd()) { | 602 } else if (is_amd()) { |
| 603 result = _cpuid_info.ext_cpuid5_ecx.bits.L1_line_size; | 603 result = _cpuid_info.ext_cpuid5_ecx.bits.L1_line_size; |
| 604 } | 604 } |
| 605 if (result < 32) // not defined ? | 605 if (result < 32) // not defined ? |
| 606 result = 32; // 32 bytes by default on x86 and other x64 | 606 result = 32; // 32 bytes by default on x86 and other x64 |
| 607 return result; | 607 return result; |
| 608 } | |
| 609 | |
| 610 static intx prefetch_data_size() { | |
| 611 return L1_line_size(); | |
| 608 } | 612 } |
| 609 | 613 |
| 610 // | 614 // |
| 611 // Feature identification | 615 // Feature identification |
| 612 // | 616 // |
