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Nikolaj Bjorner 2021-06-06 16:45:50 -07:00
parent 73bb3e4352
commit 3da9d91866

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@ -48,12 +48,12 @@ Revision History:
#endif
#if defined(_WINDOWS) && !defined(_M_ARM) && !defined(_M_ARM64)
#if defined(__GNUC__)
#define _trailing_zeros32(X) __builtin_ctz(X)
#elif defined(_WINDOWS) && !defined(_M_ARM) && !defined(_M_ARM64) && !defined(__MINGW32__)
// This is needed for _tzcnt_u32 and friends.
#include <immintrin.h>
#define _trailing_zeros32(X) _tzcnt_u32(X)
#elif defined(__GNUC__)
#define _trailing_zeros32(X) __builtin_ctz(X)
#else
static uint32_t _trailing_zeros32(uint32_t x) {
uint32_t r = 0;