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gcc mode

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-06 19:30:56 -07:00
parent bb53060313
commit 88ead235f0
1 changed files with 6 additions and 2 deletions
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8
src/util/mpz.cpp
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@ -55,8 +55,12 @@ Revision History:
#define _trailing_zeros32(X) _tzcnt_u32(X)
#endif
#if defined(_AMD64_) && !defined(__GNUC__)
#define _trailing_zeros64(x) _tzcnt_u64(x)
#if defined(_AMD64_)
#if defined(__GNUC__)
#define _trailing_zeros64(X) __builtin_ctzll(X)
#else
#define _trailing_zeros64(X) _tzcnt_u64(X)
#endif
#else
inline uint64_t _trailing_zeros64(uint64_t x) {
uint64_t r = 0;