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mac: on 32 bit, use __builtin_umull_overflow

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Edward Thomson 2017-01-22 01:42:45 +00:00
parent 60c2bf47e4
commit a0d3847983
1 changed files with 6 additions and 6 deletions
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12
src/integer.h
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@ -55,16 +55,16 @@ GIT_INLINE(bool) git__add_uint64_overflow(uint64_t *out, uint64_t one, uint64_t
} }
/* Use clang/gcc compiler intrinsics whenever possible */ /* Use clang/gcc compiler intrinsics whenever possible */
#if (SIZE_MAX == UINT_MAX) && __has_builtin(__builtin_uadd_overflow) #if (SIZE_MAX == ULONG_MAX) && __has_builtin(__builtin_uaddl_overflow)
# define git__add_sizet_overflow(out, one, two) \
__builtin_uadd_overflow(one, two, out)
# define git__multiply_sizet_overflow(out, one, two) \
__builtin_umul_overflow(one, two, out)
#elif (SIZE_MAX == ULONG_MAX) && __has_builtin(__builtin_uaddl_overflow)
# define git__add_sizet_overflow(out, one, two) \ # define git__add_sizet_overflow(out, one, two) \
__builtin_uaddl_overflow(one, two, out) __builtin_uaddl_overflow(one, two, out)
# define git__multiply_sizet_overflow(out, one, two) \ # define git__multiply_sizet_overflow(out, one, two) \
__builtin_umull_overflow(one, two, out) __builtin_umull_overflow(one, two, out)
#elif (SIZE_MAX == UINT_MAX) && __has_builtin(__builtin_uadd_overflow)
# define git__add_sizet_overflow(out, one, two) \
__builtin_uadd_overflow(one, two, out)
# define git__multiply_sizet_overflow(out, one, two) \
__builtin_umul_overflow(one, two, out)
#else #else
/** /**