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1 /* |
1 /* |
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1999, 2011, 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. |
135 |
135 |
136 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
136 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
137 return (void*)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); |
137 return (void*)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); |
138 } |
138 } |
139 |
139 |
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140 inline jlong Atomic::load(volatile jlong* src) { return *src; } |
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141 |
140 #else // !AMD64 |
142 #else // !AMD64 |
141 |
143 |
142 //inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; } |
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143 //inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; } |
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144 inline jint Atomic::add (jint add_value, volatile jint* dest) { |
144 inline jint Atomic::add (jint add_value, volatile jint* dest) { |
145 int mp = os::is_MP(); |
145 int mp = os::is_MP(); |
146 __asm { |
146 __asm { |
147 mov edx, dest; |
147 mov edx, dest; |
148 mov eax, add_value; |
148 mov eax, add_value; |
252 } |
252 } |
253 |
253 |
254 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
254 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
255 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); |
255 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); |
256 } |
256 } |
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257 |
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258 inline jlong Atomic::load(volatile jlong* src) { |
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259 volatile jlong dest; |
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260 volatile jlong* pdest = &dest; |
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261 __asm { |
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262 mov eax, src |
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263 fild qword ptr [eax] |
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264 mov eax, pdest |
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265 fistp qword ptr [eax] |
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266 } |
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267 return dest; |
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268 } |
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269 |
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270 inline void Atomic::store(jlong store_value, volatile jlong* dest) { |
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271 volatile jlong* src = &store_value; |
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272 __asm { |
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273 mov eax, src |
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274 fild qword ptr [eax] |
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275 mov eax, dest |
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276 fistp qword ptr [eax] |
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277 } |
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278 } |
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279 |
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280 inline void Atomic::store(jlong store_value, jlong* dest) { |
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281 Atomic::store(store_value, (volatile jlong*)dest); |
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282 } |
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283 |
257 #endif // AMD64 |
284 #endif // AMD64 |
258 |
285 |
259 #pragma warning(default: 4035) // Enables warnings reporting missing return statement |
286 #pragma warning(default: 4035) // Enables warnings reporting missing return statement |
260 |
287 |
261 #endif // OS_CPU_WINDOWS_X86_VM_ATOMIC_WINDOWS_X86_INLINE_HPP |
288 #endif // OS_CPU_WINDOWS_X86_VM_ATOMIC_WINDOWS_X86_INLINE_HPP |