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introduce MA_COMPILER_HAS_BUILTIN macro

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Both GCC and Clang can use this feature, so let's make it more general.

I didn't touch the dr_wav/dr_flac parts using this, since I figure the
amalgamated miniaudio.h header isn't the primary source for those.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
This commit is contained in:
Steven Noonan
2021-03-13 17:46:22 -08:00
parent e3c9975e88
commit c9e2258dae
1 changed files with 13 additions and 10 deletions
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miniaudio.h
+13 -10
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@@ -6734,22 +6734,25 @@ static MA_INLINE ma_bool32 ma_has_neon(void)
#endif
#endif
#if defined(__has_builtin)
#define MA_COMPILER_HAS_BUILTIN(x) __has_builtin(x)
#else
#define MA_COMPILER_HAS_BUILTIN(x) 0
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400
#define MA_HAS_BYTESWAP16_INTRINSIC
#define MA_HAS_BYTESWAP32_INTRINSIC
#define MA_HAS_BYTESWAP64_INTRINSIC
#elif defined(__clang__)
#if defined(__has_builtin)
#if __has_builtin(__builtin_bswap16)
#define MA_HAS_BYTESWAP16_INTRINSIC
#endif
#if __has_builtin(__builtin_bswap32)
#define MA_HAS_BYTESWAP32_INTRINSIC
#endif
#if __has_builtin(__builtin_bswap64)
#define MA_HAS_BYTESWAP64_INTRINSIC
#endif
#if MA_COMPILER_HAS_BUILTIN(__builtin_bswap16)
#define MA_HAS_BYTESWAP16_INTRINSIC
#endif
#if MA_COMPILER_HAS_BUILTIN(__builtin_bswap32)
#define MA_HAS_BYTESWAP32_INTRINSIC
#endif
#if MA_COMPILER_HAS_BUILTIN(__builtin_bswap64)
#define MA_HAS_BYTESWAP64_INTRINSIC
#endif
#elif defined(__GNUC__)
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))