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  → /SPARTAN/trunk/arch/ia32/include/barrier.h @ 469

  → /SPARTAN/trunk/arch/ia32/include/barrier.h @ 470

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Ignore whitespace Rev 469 → Rev 470

/SPARTAN/trunk/arch/ia32/include/barrier.h
55,17 → 55,29
}
#ifdef CONFIG_FENCES_P4
# define memory_barrier() __asm__ volatile ("mfence\n" ::: "memory")
# define memory_barrier() __asm__ volatile ("mfence\n" ::: "memory")
# define read_barrier() __asm__ volatile ("lfence\n" ::: "memory")
# define write_barrier() __asm__ volatile ("sfence\n" ::: "memory")
# ifdef CONFIG_WEAK_MEMORY
# define write_barrier() __asm__ volatile ("sfence\n" ::: "memory")
# else
# define write_barrier()
# endif
#elif CONFIG_FENCES_P3
# define memory_barrier() cpuid_serialization()
# define read_barrier() cpuid_serialization()
# define write_barrier() __asm__ volatile ("sfence\n" ::: "memory")
# ifdef CONFIG_WEAK_MEMORY
# define write_barrier() __asm__ volatile ("sfence\n" ::: "memory")
# else
# define write_barrier()
# endif
#else
# define memory_barrier() cpuid_serialization()
# define read_barrier() cpuid_serialization()
# define write_barrier() cpuid_serialization()
# ifdef CONFIG_WEAK_MEMORY
# define write_barrier() cpuid_serialization()
# else
# define write_barrier()
# endif
#endif
#endif