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annotate src/os_cpu/linux_sparc/vm/orderAccess_linux_sparc.inline.hpp @ 20222:0abcece2ee27
8026847: [TESTBUG] gc/g1/TestSummarizeRSetStats* tests launch 32bit jvm with UseCompressedOops
Summary: The test launched a 32 bit VM with UseCompressedOops enabled. This is not supported on 32 bit VMs, causing a test failure. Investigation showed that the use of this flag is not required at all, so simply remove it.
Reviewed-by: tschatzl, jwilhelm
Contributed-by: Andrey Zakharov <andrey.x.zakharov@oracle.com>
author | tschatzl |
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date | Mon, 21 Jul 2014 09:40:19 +0200 |
parents | f95d63e2154a |
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rev | line source |
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133 | 1 /* |
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
133 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
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 | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
133 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP |
26 #define OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP | |
27 | |
28 #include "runtime/orderAccess.hpp" | |
29 #include "vm_version_sparc.hpp" | |
30 | |
133 | 31 // Implementation of class OrderAccess. |
32 | |
33 // Assume TSO. | |
34 | |
35 inline void OrderAccess::loadload() { acquire(); } | |
36 inline void OrderAccess::storestore() { release(); } | |
37 inline void OrderAccess::loadstore() { acquire(); } | |
38 inline void OrderAccess::storeload() { fence(); } | |
39 | |
40 inline void OrderAccess::acquire() { | |
41 __asm__ volatile ("nop" : : :); | |
42 } | |
43 | |
44 inline void OrderAccess::release() { | |
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6973570: OrderAccess::storestore() scales poorly on multi-socket x64 and sparc: cache-line ping-ponging
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45 jint* local_dummy = (jint*)&local_dummy; |
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46 __asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory"); |
133 | 47 } |
48 | |
49 inline void OrderAccess::fence() { | |
50 __asm__ volatile ("membar #StoreLoad" : : :); | |
51 } | |
52 | |
53 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; } | |
54 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; } | |
55 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; } | |
56 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; } | |
57 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; } | |
58 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; } | |
59 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; } | |
60 inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; } | |
61 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; } | |
62 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; } | |
63 | |
64 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; } | |
65 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; } | |
66 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; } | |
67 | |
68 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; } | |
69 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; } | |
70 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; } | |
71 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; } | |
72 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; } | |
73 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; } | |
74 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; } | |
75 inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; } | |
76 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; } | |
77 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; } | |
78 | |
79 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; } | |
80 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; } | |
81 | |
82 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); } | |
83 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); } | |
84 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); } | |
85 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); } | |
86 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); } | |
87 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); } | |
88 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); } | |
89 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); } | |
90 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); } | |
91 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); } | |
92 | |
93 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); } | |
94 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); } | |
95 | |
96 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); } | |
97 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); } | |
98 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); } | |
99 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); } | |
100 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); } | |
101 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); } | |
102 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); } | |
103 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); } | |
104 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); } | |
105 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); } | |
106 | |
107 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); } | |
108 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); } | |
1972 | 109 |
110 #endif // OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP |