89 #define strasm_sync "\n sync \n"
90 #define strasm_lwsync "\n lwsync \n"
91 #define strasm_isync "\n isync \n"
92 #define strasm_release strasm_lwsync
93 #define strasm_acquire strasm_lwsync
94 #define strasm_fence strasm_sync
95 #define strasm_nobarrier ""
96 #define strasm_nobarrier_clobber_memory ""
97
98 template<size_t byte_size>
99 struct Atomic::PlatformAdd
100 : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
101 {
102 template<typename I, typename D>
103 D add_and_fetch(I add_value, D volatile* dest) const;
104 };
105
106 template<>
107 template<typename I, typename D>
108 inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
109 STATIC_CAST(4 == sizeof(I));
110 STATIC_CAST(4 == sizeof(D));
111
112 D result;
113
114 __asm__ __volatile__ (
115 strasm_lwsync
116 "1: lwarx %0, 0, %2 \n"
117 " add %0, %0, %1 \n"
118 " stwcx. %0, 0, %2 \n"
119 " bne- 1b \n"
120 strasm_isync
121 : /*%0*/"=&r" (result)
122 : /*%1*/"r" (add_value), /*%2*/"r" (dest)
123 : "cc", "memory" );
124
125 return result;
126 }
127
128
129 template<>
130 template<typename I, typename D>
131 inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
132 STATIC_CAST(8 == sizeof(I));
133 STATIC_CAST(8 == sizeof(D));
134
135 D result;
136
137 __asm__ __volatile__ (
138 strasm_lwsync
139 "1: ldarx %0, 0, %2 \n"
140 " add %0, %0, %1 \n"
141 " stdcx. %0, 0, %2 \n"
142 " bne- 1b \n"
143 strasm_isync
144 : /*%0*/"=&r" (result)
145 : /*%1*/"r" (add_value), /*%2*/"r" (dest)
146 : "cc", "memory" );
147
148 return result;
149 }
150
151
152 inline void Atomic::inc (volatile jint* dest) {
153
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89 #define strasm_sync "\n sync \n"
90 #define strasm_lwsync "\n lwsync \n"
91 #define strasm_isync "\n isync \n"
92 #define strasm_release strasm_lwsync
93 #define strasm_acquire strasm_lwsync
94 #define strasm_fence strasm_sync
95 #define strasm_nobarrier ""
96 #define strasm_nobarrier_clobber_memory ""
97
98 template<size_t byte_size>
99 struct Atomic::PlatformAdd
100 : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
101 {
102 template<typename I, typename D>
103 D add_and_fetch(I add_value, D volatile* dest) const;
104 };
105
106 template<>
107 template<typename I, typename D>
108 inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
109 STATIC_ASSERT(4 == sizeof(I));
110 STATIC_ASSERT(4 == sizeof(D));
111
112 D result;
113
114 __asm__ __volatile__ (
115 strasm_lwsync
116 "1: lwarx %0, 0, %2 \n"
117 " add %0, %0, %1 \n"
118 " stwcx. %0, 0, %2 \n"
119 " bne- 1b \n"
120 strasm_isync
121 : /*%0*/"=&r" (result)
122 : /*%1*/"r" (add_value), /*%2*/"r" (dest)
123 : "cc", "memory" );
124
125 return result;
126 }
127
128
129 template<>
130 template<typename I, typename D>
131 inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
132 STATIC_ASSERT(8 == sizeof(I));
133 STATIC_ASSERT(8 == sizeof(D));
134
135 D result;
136
137 __asm__ __volatile__ (
138 strasm_lwsync
139 "1: ldarx %0, 0, %2 \n"
140 " add %0, %0, %1 \n"
141 " stdcx. %0, 0, %2 \n"
142 " bne- 1b \n"
143 strasm_isync
144 : /*%0*/"=&r" (result)
145 : /*%1*/"r" (add_value), /*%2*/"r" (dest)
146 : "cc", "memory" );
147
148 return result;
149 }
150
151
152 inline void Atomic::inc (volatile jint* dest) {
153
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