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src/os_cpu/linux_sparc/vm/atomic_linux_sparc.hpp
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rev 13470 : imported patch linux_sparc
rev 13472 : imported patch coleen_review1
rev 13480 : imported patch zero_fix
*** 119,159 ****
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
}
!
! inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order) {
! jint rv;
__asm__ volatile(
" cas [%2], %3, %0"
: "=r" (rv)
: "0" (exchange_value), "r" (dest), "r" (compare_value)
: "memory");
return rv;
}
! inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
! jlong rv;
__asm__ volatile(
" casx [%2], %3, %0"
: "=r" (rv)
: "0" (exchange_value), "r" (dest), "r" (compare_value)
: "memory");
return rv;
}
- inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- intptr_t rv;
- __asm__ volatile(
- " casx [%2], %3, %0"
- : "=r" (rv)
- : "0" (exchange_value), "r" (dest), "r" (compare_value)
- : "memory");
- return rv;
- }
-
- inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
- return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value, order);
- }
-
#endif // OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
--- 119,160 ----
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
}
! // No direct support for cmpxchg of bytes; emulate using int.
! template<>
! struct Atomic::PlatformCmpxchg<1> : Atomic::CmpxchgByteUsingInt {};
!
! template<>
! template<typename T>
! inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
! T volatile* dest,
! T compare_value,
! cmpxchg_memory_order order) const {
! STATIC_ASSERT(4 == sizeof(T));
! T rv;
__asm__ volatile(
" cas [%2], %3, %0"
: "=r" (rv)
: "0" (exchange_value), "r" (dest), "r" (compare_value)
: "memory");
return rv;
}
! template<>
! template<typename T>
! inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
! T volatile* dest,
! T compare_value,
! cmpxchg_memory_order order) const {
! STATIC_ASSERT(8 == sizeof(T));
! T rv;
__asm__ volatile(
" casx [%2], %3, %0"
: "=r" (rv)
: "0" (exchange_value), "r" (dest), "r" (compare_value)
: "memory");
return rv;
}
#endif // OS_CPU_LINUX_SPARC_VM_ATOMIC_LINUX_SPARC_INLINE_HPP
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