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Fix undefined _mm_malloc and _mm_free when building with LLVM/MinGW. #637

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Fix undefined _mm_malloc and _mm_free when building with LLVM/MinGW. #637

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16 changes: 12 additions & 4 deletions sse2neon.h
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Original file line number Diff line number Diff line change
Expand Up @@ -120,10 +120,8 @@
#include <stdint.h>
#include <stdlib.h>

#if defined(_WIN32)
/* Definitions for _mm_{malloc,free} are provided by <malloc.h>
* from both MinGW-w64 and MSVC.
*/
#if defined(_WIN32) && !defined(__MINGW32__)
/* Definitions for _mm_{malloc,free} are provided by <malloc.h> from MSVC. */
#define SSE2NEON_ALLOC_DEFINED
#endif

Expand Down Expand Up @@ -1767,7 +1765,11 @@ FORCE_INLINE __m128 _mm_div_ss(__m128 a, __m128 b)
#if !defined(SSE2NEON_ALLOC_DEFINED)
FORCE_INLINE void _mm_free(void *addr)
{
#if defined(_WIN32)
_aligned_free(addr);
#else
free(addr);
#endif
}
#endif

Expand Down Expand Up @@ -1955,8 +1957,14 @@ FORCE_INLINE void *_mm_malloc(size_t size, size_t align)
return malloc(size);
if (align == 2 || (sizeof(void *) == 8 && align == 4))
align = sizeof(void *);
#if defined(_WIN32)
ptr = _aligned_malloc(size, align);
if (ptr)
return ptr;
#else
if (!posix_memalign(&ptr, align, size))
return ptr;
#endif
return NULL;
}
#endif
Expand Down
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