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sfendian: Fix byteswap optimizations detection

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This commit is contained in:
evpobr 2021-03-07 11:23:28 +05:00
parent 6dee7120ab
commit 97f9e64b39
1 changed files with 5 additions and 9 deletions
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14
src/sfendian.h
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@ -24,6 +24,10 @@
#include <stdint.h>
#include <inttypes.h>
#ifndef __has_builtin
#define __has_builtin(x) 0
#endif
#if HAVE_BYTESWAP_H /* Linux, any CPU */
#include <byteswap.h>
@ -31,19 +35,11 @@
#define ENDSWAP_32(x) (bswap_32 (x))
#define ENDSWAP_64(x) (bswap_64 (x))
#elif defined __has_builtin
#elif __has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) && __has_builtin(__builtin_bswap64)
#if __has_builtin (__builtin_bswap16)
#define ENDSWAP_16(x) ((int16_t) __builtin_bswap16 ((uint16_t) x))
#endif
#if __has_builtin (__builtin_bswap32)
#define ENDSWAP_32(x) ((int32_t) __builtin_bswap32 ((uint32_t) x))
#endif
#if __has_builtin (__builtin_bswap64)
#define ENDSWAP_64(x) ((int64_t) __builtin_bswap64 ((uint64_t) x))
#endif
#elif COMPILER_IS_GCC