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Fix build with MSVC in 32 bits mode

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Patrick Pelissier committed 2020-07-03 21:25:20 +02:00
1 parent 3182c39280
commit 8b5d1e07ce
1 file changed
+3 -1
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m-core.h
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@@ -1920,7 +1920,8 @@ static inline unsigned int m_core_clz64(uint64_t limb)
return M_UNLIKELY (limb == 0ULL) ? sizeof (uint64_t)*CHAR_BIT : (unsigned int) __builtin_clzll(limb) - (sizeof (unsigned long long) - sizeof (uint64_t)) * CHAR_BIT;
}
#elif defined(_MSC_VER)
#elif defined(_MSC_VER) && (defined(_M_AMD64) || defined(_M_ARM64))
// NOTE: _BitScanReverse64 is 64-bits only (not compatible 32 bits).
#include <intrin.h>
static inline unsigned int m_core_clz32(uint32_t limb)
{
@@ -1942,6 +1943,7 @@ static inline unsigned int m_core_clz64(uint64_t limb)
}
#else
// Emulation layer
#define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
static inline unsigned int m_core_clz32(uint32_t limb)