Mercurial > hg > graal-compiler
annotate src/os_cpu/windows_x86/vm/orderAccess_windows_x86.inline.hpp @ 2504:c89dcda5d109
Merge.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Tue, 26 Apr 2011 22:01:41 +0200 |
parents | 4fc084dac61e |
children | 63e54c37ac64 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_CPU_WINDOWS_X86_VM_ORDERACCESS_WINDOWS_X86_INLINE_HPP |
26 #define OS_CPU_WINDOWS_X86_VM_ORDERACCESS_WINDOWS_X86_INLINE_HPP | |
27 | |
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28 #include "runtime/atomic.hpp" |
1972 | 29 #include "runtime/orderAccess.hpp" |
30 #include "vm_version_x86.hpp" | |
31 | |
0 | 32 #pragma warning(disable: 4035) // Disables warnings reporting missing return statement |
33 | |
34 // Implementation of class OrderAccess. | |
35 | |
36 inline void OrderAccess::loadload() { acquire(); } | |
37 inline void OrderAccess::storestore() { release(); } | |
38 inline void OrderAccess::loadstore() { acquire(); } | |
39 inline void OrderAccess::storeload() { fence(); } | |
40 | |
41 inline void OrderAccess::acquire() { | |
42 #ifndef AMD64 | |
43 __asm { | |
44 mov eax, dword ptr [esp]; | |
45 } | |
46 #endif // !AMD64 | |
47 } | |
48 | |
49 inline void OrderAccess::release() { | |
50 // A volatile store has release semantics. | |
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51 volatile jint local_dummy = 0; |
0 | 52 } |
53 | |
54 inline void OrderAccess::fence() { | |
55 #ifdef AMD64 | |
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56 StubRoutines_fence(); |
0 | 57 #else |
58 if (os::is_MP()) { | |
59 __asm { | |
60 lock add dword ptr [esp], 0; | |
61 } | |
62 } | |
63 #endif // AMD64 | |
64 } | |
65 | |
66 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; } | |
67 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; } | |
68 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; } | |
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69 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return Atomic::load(p); } |
0 | 70 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; } |
71 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; } | |
72 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; } | |
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73 inline julong OrderAccess::load_acquire(volatile julong* p) { return Atomic::load((volatile jlong*)p); } |
0 | 74 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; } |
75 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; } | |
76 | |
77 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; } | |
78 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; } | |
79 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; } | |
80 | |
81 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; } | |
82 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; } | |
83 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; } | |
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84 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { Atomic::store(v, p); } |
0 | 85 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; } |
86 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; } | |
87 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; } | |
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88 inline void OrderAccess::release_store(volatile julong* p, julong v) { Atomic::store((jlong)v, (volatile jlong*)p); } |
0 | 89 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; } |
90 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; } | |
91 | |
92 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; } | |
93 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; } | |
94 | |
95 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { | |
96 #ifdef AMD64 | |
97 *p = v; fence(); | |
98 #else | |
99 __asm { | |
100 mov edx, p; | |
101 mov al, v; | |
102 xchg al, byte ptr [edx]; | |
103 } | |
104 #endif // AMD64 | |
105 } | |
106 | |
107 inline void OrderAccess::store_fence(jshort* p, jshort v) { | |
108 #ifdef AMD64 | |
109 *p = v; fence(); | |
110 #else | |
111 __asm { | |
112 mov edx, p; | |
113 mov ax, v; | |
114 xchg ax, word ptr [edx]; | |
115 } | |
116 #endif // AMD64 | |
117 } | |
118 | |
119 inline void OrderAccess::store_fence(jint* p, jint v) { | |
120 #ifdef AMD64 | |
121 *p = v; fence(); | |
122 #else | |
123 __asm { | |
124 mov edx, p; | |
125 mov eax, v; | |
126 xchg eax, dword ptr [edx]; | |
127 } | |
128 #endif // AMD64 | |
129 } | |
130 | |
131 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); } | |
132 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { store_fence((jbyte*)p, (jbyte)v); } | |
133 inline void OrderAccess::store_fence(jushort* p, jushort v) { store_fence((jshort*)p, (jshort)v); } | |
134 inline void OrderAccess::store_fence(juint* p, juint v) { store_fence((jint*)p, (jint)v); } | |
135 inline void OrderAccess::store_fence(julong* p, julong v) { store_fence((jlong*)p, (jlong)v); } | |
136 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); } | |
137 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); } | |
138 | |
139 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { | |
140 #ifdef AMD64 | |
141 *p = v; fence(); | |
142 #else | |
143 store_fence((jint*)p, (jint)v); | |
144 #endif // AMD64 | |
145 } | |
146 | |
147 inline void OrderAccess::store_ptr_fence(void** p, void* v) { | |
148 #ifdef AMD64 | |
149 *p = v; fence(); | |
150 #else | |
151 store_fence((jint*)p, (jint)v); | |
152 #endif // AMD64 | |
153 } | |
154 | |
155 // Must duplicate definitions instead of calling store_fence because we don't want to cast away volatile. | |
156 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { | |
157 #ifdef AMD64 | |
158 *p = v; fence(); | |
159 #else | |
160 __asm { | |
161 mov edx, p; | |
162 mov al, v; | |
163 xchg al, byte ptr [edx]; | |
164 } | |
165 #endif // AMD64 | |
166 } | |
167 | |
168 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { | |
169 #ifdef AMD64 | |
170 *p = v; fence(); | |
171 #else | |
172 __asm { | |
173 mov edx, p; | |
174 mov ax, v; | |
175 xchg ax, word ptr [edx]; | |
176 } | |
177 #endif // AMD64 | |
178 } | |
179 | |
180 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { | |
181 #ifdef AMD64 | |
182 *p = v; fence(); | |
183 #else | |
184 __asm { | |
185 mov edx, p; | |
186 mov eax, v; | |
187 xchg eax, dword ptr [edx]; | |
188 } | |
189 #endif // AMD64 | |
190 } | |
191 | |
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192 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); } |
0 | 193 |
194 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { release_store_fence((volatile jbyte*)p, (jbyte)v); } | |
195 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { release_store_fence((volatile jshort*)p, (jshort)v); } | |
196 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { release_store_fence((volatile jint*)p, (jint)v); } | |
197 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store_fence((volatile jlong*)p, (jlong)v); } | |
198 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); } | |
199 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); } | |
200 | |
201 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { | |
202 #ifdef AMD64 | |
203 *p = v; fence(); | |
204 #else | |
205 release_store_fence((volatile jint*)p, (jint)v); | |
206 #endif // AMD64 | |
207 } | |
208 | |
209 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { | |
210 #ifdef AMD64 | |
211 *(void* volatile *)p = v; fence(); | |
212 #else | |
213 release_store_fence((volatile jint*)p, (jint)v); | |
214 #endif // AMD64 | |
215 } | |
216 | |
217 #pragma warning(default: 4035) // Enables warnings reporting missing return statement | |
1972 | 218 |
219 #endif // OS_CPU_WINDOWS_X86_VM_ORDERACCESS_WINDOWS_X86_INLINE_HPP |