orderAccess_linux_sparc.inline.hpp revision 1472:c18cbe5936b8 
1/*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7 * published by the Free Software Foundation.
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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 *
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23 */
24
25// Implementation of class OrderAccess.
26
27// Assume TSO.
28
29inline void OrderAccess::loadload()   { acquire(); }
30inline void OrderAccess::storestore() { release(); }
31inline void OrderAccess::loadstore()  { acquire(); }
32inline void OrderAccess::storeload()  { fence(); }
33
34inline void OrderAccess::acquire() {
35  __asm__ volatile ("nop" : : :);
36}
37
38inline void OrderAccess::release() {
39  jint* dummy = (jint*)&dummy;
40  __asm__ volatile("stw %%g0, [%0]" : : "r" (dummy) : "memory");
41}
42
43inline void OrderAccess::fence() {
44  __asm__ volatile ("membar  #StoreLoad" : : :);
45}
46
47inline jbyte    OrderAccess::load_acquire(volatile jbyte*   p) { return *p; }
48inline jshort   OrderAccess::load_acquire(volatile jshort*  p) { return *p; }
49inline jint     OrderAccess::load_acquire(volatile jint*    p) { return *p; }
50inline jlong    OrderAccess::load_acquire(volatile jlong*   p) { return *p; }
51inline jubyte   OrderAccess::load_acquire(volatile jubyte*  p) { return *p; }
52inline jushort  OrderAccess::load_acquire(volatile jushort* p) { return *p; }
53inline juint    OrderAccess::load_acquire(volatile juint*   p) { return *p; }
54inline julong   OrderAccess::load_acquire(volatile julong*  p) { return *p; }
55inline jfloat   OrderAccess::load_acquire(volatile jfloat*  p) { return *p; }
56inline jdouble  OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
57
58inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t*   p) { return *p; }
59inline void*    OrderAccess::load_ptr_acquire(volatile void*       p) { return *(void* volatile *)p; }
60inline void*    OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
61
62inline void     OrderAccess::release_store(volatile jbyte*   p, jbyte   v) { *p = v; }
63inline void     OrderAccess::release_store(volatile jshort*  p, jshort  v) { *p = v; }
64inline void     OrderAccess::release_store(volatile jint*    p, jint    v) { *p = v; }
65inline void     OrderAccess::release_store(volatile jlong*   p, jlong   v) { *p = v; }
66inline void     OrderAccess::release_store(volatile jubyte*  p, jubyte  v) { *p = v; }
67inline void     OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
68inline void     OrderAccess::release_store(volatile juint*   p, juint   v) { *p = v; }
69inline void     OrderAccess::release_store(volatile julong*  p, julong  v) { *p = v; }
70inline void     OrderAccess::release_store(volatile jfloat*  p, jfloat  v) { *p = v; }
71inline void     OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
72
73inline void     OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
74inline void     OrderAccess::release_store_ptr(volatile void*     p, void*    v) { *(void* volatile *)p = v; }
75
76inline void     OrderAccess::store_fence(jbyte*   p, jbyte   v) { *p = v; fence(); }
77inline void     OrderAccess::store_fence(jshort*  p, jshort  v) { *p = v; fence(); }
78inline void     OrderAccess::store_fence(jint*    p, jint    v) { *p = v; fence(); }
79inline void     OrderAccess::store_fence(jlong*   p, jlong   v) { *p = v; fence(); }
80inline void     OrderAccess::store_fence(jubyte*  p, jubyte  v) { *p = v; fence(); }
81inline void     OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
82inline void     OrderAccess::store_fence(juint*   p, juint   v) { *p = v; fence(); }
83inline void     OrderAccess::store_fence(julong*  p, julong  v) { *p = v; fence(); }
84inline void     OrderAccess::store_fence(jfloat*  p, jfloat  v) { *p = v; fence(); }
85inline void     OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
86
87inline void     OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
88inline void     OrderAccess::store_ptr_fence(void**    p, void*    v) { *p = v; fence(); }
89
90inline void     OrderAccess::release_store_fence(volatile jbyte*   p, jbyte   v) { *p = v; fence(); }
91inline void     OrderAccess::release_store_fence(volatile jshort*  p, jshort  v) { *p = v; fence(); }
92inline void     OrderAccess::release_store_fence(volatile jint*    p, jint    v) { *p = v; fence(); }
93inline void     OrderAccess::release_store_fence(volatile jlong*   p, jlong   v) { *p = v; fence(); }
94inline void     OrderAccess::release_store_fence(volatile jubyte*  p, jubyte  v) { *p = v; fence(); }
95inline void     OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
96inline void     OrderAccess::release_store_fence(volatile juint*   p, juint   v) { *p = v; fence(); }
97inline void     OrderAccess::release_store_fence(volatile julong*  p, julong  v) { *p = v; fence(); }
98inline void     OrderAccess::release_store_fence(volatile jfloat*  p, jfloat  v) { *p = v; fence(); }
99inline void     OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
100
101inline void     OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
102inline void     OrderAccess::release_store_ptr_fence(volatile void*     p, void*    v) { *(void* volatile *)p = v; fence(); }
103