X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fvm%2Fjit%2Fs390%2Fmd-atomic.hpp;h=8d5ae29fd4a07be7c598be8b449739c96d5a5d70;hb=4490ae80a2bce8b8e404fc8a63372bd3b71ebd9e;hp=664e16c6d5a3df5dee00c5c1ca3f38acfa07cde8;hpb=cb17467ffaf5bb83c70bc0ed228f0f5f143e309d;p=cacao.git diff --git a/src/vm/jit/s390/md-atomic.hpp b/src/vm/jit/s390/md-atomic.hpp index 664e16c6d..8d5ae29fd 100644 --- a/src/vm/jit/s390/md-atomic.hpp +++ b/src/vm/jit/s390/md-atomic.hpp @@ -1,6 +1,6 @@ /* src/vm/jit/s390/md-atomic.hpp - s390 atomic instructions - Copyright (C) 2008 + Copyright (C) 2008, 2010 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO This file is part of CACAO. @@ -32,6 +32,7 @@ #include "threads/atomic.hpp" +namespace Atomic_md { /** * An atomic compare and swap for 32-bit integer values. @@ -42,7 +43,7 @@ * * @return value of the memory location before the store */ -inline static uint32_t Atomic_compare_and_swap_32(volatile uint32_t *p, uint32_t oldval, uint32_t newval) +inline uint32_t compare_and_swap(volatile uint32_t *p, uint32_t oldval, uint32_t newval) { __asm__ __volatile__ ( "cs %0,%3,0(%2)\n" @@ -63,38 +64,38 @@ inline static uint32_t Atomic_compare_and_swap_32(volatile uint32_t *p, uint32_t * * @return value of the memory location before the store */ -inline static uint64_t Atomic_compare_and_swap_64(volatile uint64_t *p, uint64_t oldval, uint64_t newval) +inline uint64_t compare_and_swap(volatile uint64_t *p, uint64_t oldval, uint64_t newval) { - return Atomic_generic_compare_and_swap_64(p, oldval, newval); + return Atomic::generic_compare_and_swap(p, oldval, newval); } /** - * An atomic compare and swap for pointer values. - * - * @param p Pointer to memory address. - * @param oldval Old value to be expected. - * @param newval New value to be stored. - * - * @return value of the memory location before the store + * A memory barrier. */ -inline static void* Atomic_compare_and_swap_ptr(volatile void** p, void* oldval, void* newval) +inline void memory_barrier(void) { - return (void*) Atomic_compare_and_swap_32((volatile uint32_t*) p, (uint32_t) oldval, (uint32_t) newval); + __asm__ __volatile__ ("bcr 15,0" : : : "memory" ); } /** - * A memory barrier. + * A write memory barrier. */ -inline static void Atomic_memory_barrier(void) +inline void write_memory_barrier(void) { - __asm__ __volatile__ ("bcr 15,0" : : : "memory" ) + memory_barrier(); } +/** + * An instruction barrier. + */ +inline void instruction_barrier(void) +{ + __asm__ __volatile__ ("" : : : "memory" ); +} -#define STORE_ORDER_BARRIER() Atomic_memory_barrier(); -#define MEMORY_BARRIER_AFTER_ATOMIC() Atomic_memory_barrier(); +} #endif // _MD_ATOMIC_HPP