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SDL_endian.h: added proper version check (VS2005+) to MSVC functionality

This commit is contained in:
Ozkan Sezer 2021-11-17 17:55:00 +03:00
parent d2cf191936
commit dd6269b1e0
1 changed files with 4 additions and 7 deletions
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11
include/SDL_endian.h
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@ -30,20 +30,17 @@
#include "SDL_stdinc.h"
#ifdef _MSC_VER
#if defined(_MSC_VER) && (_MSC_VER >= 1400)
/* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
#ifdef __clang__
#ifndef __PRFCHWINTRIN_H
#define __PRFCHWINTRIN_H
static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetch(void *__P)
{
__builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
}
#endif /* __PRFCHWINTRIN_H */
#endif /* __clang__ */
@ -112,7 +109,7 @@ extern "C" {
#if HAS_BUILTIN_BSWAP16
#define SDL_Swap16(x) __builtin_bswap16(x)
#elif defined(_MSC_VER)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#pragma intrinsic(_byteswap_ushort)
#define SDL_Swap16(x) _byteswap_ushort(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
@ -168,7 +165,7 @@ SDL_Swap16(Uint16 x)
#if HAS_BUILTIN_BSWAP32
#define SDL_Swap32(x) __builtin_bswap32(x)
#elif defined(_MSC_VER)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#pragma intrinsic(_byteswap_ulong)
#define SDL_Swap32(x) _byteswap_ulong(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
@ -227,7 +224,7 @@ SDL_Swap32(Uint32 x)
#if HAS_BUILTIN_BSWAP64
#define SDL_Swap64(x) __builtin_bswap64(x)
#elif defined(_MSC_VER)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#pragma intrinsic(_byteswap_uint64)
#define SDL_Swap64(x) _byteswap_uint64(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP