45 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
46 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
47
48 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
49 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
50 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
51
52 inline jlong Atomic::load(const volatile jlong* src) { return *src; }
53
54 template<size_t byte_size>
55 struct Atomic::PlatformAdd
56 : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
57 {
58 template<typename I, typename D>
59 D add_and_fetch(I add_value, D volatile* dest) const;
60 };
61
62 template<>
63 template<typename I, typename D>
64 inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
65 STATIC_CAST(4 == sizeof(I));
66 STATIC_CAST(4 == sizeof(D));
67
68 D rv;
69 __asm__ volatile(
70 "1: \n\t"
71 " ld [%2], %%o2\n\t"
72 " add %1, %%o2, %%o3\n\t"
73 " cas [%2], %%o2, %%o3\n\t"
74 " cmp %%o2, %%o3\n\t"
75 " bne 1b\n\t"
76 " nop\n\t"
77 " add %1, %%o2, %0\n\t"
78 : "=r" (rv)
79 : "r" (add_value), "r" (dest)
80 : "memory", "o2", "o3");
81 return rv;
82 }
83
84 template<typename I, typename D>
85 inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
86 STATIC_CAST(8 == sizeof(I));
87 STATIC_CAST(8 == sizeof(D));
88
89 D rv;
90 __asm__ volatile(
91 "1: \n\t"
92 " ldx [%2], %%o2\n\t"
93 " add %1, %%o2, %%o3\n\t"
94 " casx [%2], %%o2, %%o3\n\t"
95 " cmp %%o2, %%o3\n\t"
96 " bne %%xcc, 1b\n\t"
97 " nop\n\t"
98 " add %1, %%o2, %0\n\t"
99 : "=r" (rv)
100 : "r" (add_value), "r" (dest)
101 : "memory", "o2", "o3");
102 return rv;
103 }
104
105
106 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
107 intptr_t rv = exchange_value;
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45 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
46 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
47
48 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
49 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
50 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
51
52 inline jlong Atomic::load(const volatile jlong* src) { return *src; }
53
54 template<size_t byte_size>
55 struct Atomic::PlatformAdd
56 : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
57 {
58 template<typename I, typename D>
59 D add_and_fetch(I add_value, D volatile* dest) const;
60 };
61
62 template<>
63 template<typename I, typename D>
64 inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
65 STATIC_ASSERT(4 == sizeof(I));
66 STATIC_ASSERT(4 == sizeof(D));
67
68 D rv;
69 __asm__ volatile(
70 "1: \n\t"
71 " ld [%2], %%o2\n\t"
72 " add %1, %%o2, %%o3\n\t"
73 " cas [%2], %%o2, %%o3\n\t"
74 " cmp %%o2, %%o3\n\t"
75 " bne 1b\n\t"
76 " nop\n\t"
77 " add %1, %%o2, %0\n\t"
78 : "=r" (rv)
79 : "r" (add_value), "r" (dest)
80 : "memory", "o2", "o3");
81 return rv;
82 }
83
84 template<>
85 template<typename I, typename D>
86 inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
87 STATIC_ASSERT(8 == sizeof(I));
88 STATIC_ASSERT(8 == sizeof(D));
89
90 D rv;
91 __asm__ volatile(
92 "1: \n\t"
93 " ldx [%2], %%o2\n\t"
94 " add %1, %%o2, %%o3\n\t"
95 " casx [%2], %%o2, %%o3\n\t"
96 " cmp %%o2, %%o3\n\t"
97 " bne %%xcc, 1b\n\t"
98 " nop\n\t"
99 " add %1, %%o2, %0\n\t"
100 : "=r" (rv)
101 : "r" (add_value), "r" (dest)
102 : "memory", "o2", "o3");
103 return rv;
104 }
105
106
107 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
108 intptr_t rv = exchange_value;
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