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src/os_cpu/bsd_zero/vm/atomic_bsd_zero.hpp
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rev 13497 : imported patch add_bsd_zero
*** 72,82 ****
// We failed even though prev == oldval. Try again.
}
}
/* Atomically add an int to memory. */
! static inline int m68k_add_and_fetch(volatile int *ptr, int add_value) {
for (;;) {
// Loop until success.
int prev = *ptr;
--- 72,82 ----
// We failed even though prev == oldval. Try again.
}
}
/* Atomically add an int to memory. */
! static inline int m68k_add_and_fetch(int add_value, volatile int *ptr) {
for (;;) {
// Loop until success.
int prev = *ptr;
*** 133,143 ****
// We failed even though prev == oldval. Try again.
}
}
/* Atomically add an int to memory. */
! static inline int arm_add_and_fetch(volatile int *ptr, int add_value) {
for (;;) {
// Loop until a __kernel_cmpxchg succeeds.
int prev = *ptr;
--- 133,143 ----
// We failed even though prev == oldval. Try again.
}
}
/* Atomically add an int to memory. */
! static inline int arm_add_and_fetch(int add_value, volatile int *ptr) {
for (;;) {
// Loop until a __kernel_cmpxchg succeeds.
int prev = *ptr;
*** 171,206 ****
__sync_synchronize();
#endif
*dest = store_value;
}
! inline jint Atomic::add(jint add_value, volatile jint* dest) {
! #ifdef ARM
! return arm_add_and_fetch(dest, add_value);
! #else
! #ifdef M68K
! return m68k_add_and_fetch(dest, add_value);
! #else
! return __sync_add_and_fetch(dest, add_value);
! #endif // M68K
! #endif // ARM
! }
- inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
#ifdef ARM
! return arm_add_and_fetch(dest, add_value);
#else
#ifdef M68K
! return m68k_add_and_fetch(dest, add_value);
#else
return __sync_add_and_fetch(dest, add_value);
#endif // M68K
#endif // ARM
}
! inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
! return (void *) add_ptr(add_value, (volatile intptr_t *) dest);
}
inline void Atomic::inc(volatile jint* dest) {
add(1, dest);
}
--- 171,212 ----
__sync_synchronize();
#endif
*dest = store_value;
}
! template<size_t byte_size>
! struct Atomic::PlatformAdd
! : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
! {
! template<typename I, typename D>
! D add_and_fetch(I add_value, D volatile* dest) const;
! };
!
! template<>
! template<typename I, typename D>
! inline D Atomic::PlatformAdd<4>::add_and_fetch(I add_value, D volatile* dest) const {
! STATIC_CAST(4 == sizeof(I));
! STATIC_CAST(4 == sizeof(D));
#ifdef ARM
! return add_using_helper<int>(arm_add_and_fetch, add_value, dest);
#else
#ifdef M68K
! return add_using_helper<int>(m68k_add_and_fetch, add_value, dest);
#else
return __sync_add_and_fetch(dest, add_value);
#endif // M68K
#endif // ARM
}
! template<>
! template<typename I, typename D>
! inline D Atomic::PlatformAdd<8>::add_and_fetch(I add_value, D volatile* dest) const {
! STATIC_CAST(8 == sizeof(I));
! STATIC_CAST(8 == sizeof(D));
!
! return __sync_add_and_fetch(dest, add_value);
}
inline void Atomic::inc(volatile jint* dest) {
add(1, dest);
}
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