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asan: fix ARM build 

llvm-svn: 172613
This commit is contained in:
Dmitry Vyukov 2013-01-16 14:35:13 +00:00
parent 995873ccda
commit 7f4603200f
1 changed files with 6 additions and 1 deletions
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7
compiler-rt/lib/sanitizer_common/sanitizer_internal_defs.h
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@ -52,7 +52,12 @@ using namespace __sanitizer; // NOLINT
# define UNLIKELY(x) __builtin_expect(!!(x), 0)
# define UNUSED __attribute__((unused))
# define USED __attribute__((used))
# define PREFETCH(x) __asm__("prefetchnta (%0)" : : "r" (x))
# if defined(__i386__) || defined(__x86_64__)
// __builtin_prefetch(x) generates prefetchnt0 on x86
# define PREFETCH(x) __asm__("prefetchnta (%0)" : : "r" (x))
# else
# define PREFETCH(x) __builtin_prefetch(x)
# endif
#endif // _MSC_VER
#if defined(_WIN32)