/*
Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+ Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
* Functions for reading and writing endian-specific values
*/
-#ifndef _SDL_endian_h
-#define _SDL_endian_h
+#ifndef SDL_endian_h_
+#define SDL_endian_h_
#include "SDL_stdinc.h"
__asm__("rorw #8,%0": "=d"(x): "0"(x):"cc");
return x;
}
+#elif defined(__WATCOMC__) && defined(__386__)
+extern _inline Uint16 SDL_Swap16(Uint16);
+#pragma aux SDL_Swap16 = \
+ "xchg al, ah" \
+ parm [ax] \
+ modify [ax];
#else
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
__asm__("rorw #8,%0\n\tswap %0\n\trorw #8,%0": "=d"(x): "0"(x):"cc");
return x;
}
+#elif defined(__WATCOMC__) && defined(__386__)
+extern _inline Uint32 SDL_Swap32(Uint32);
+#ifndef __SW_3 /* 486+ */
+#pragma aux SDL_Swap32 = \
+ "bswap eax" \
+ parm [eax] \
+ modify [eax];
+#else /* 386-only */
+#pragma aux SDL_Swap32 = \
+ "xchg al, ah" \
+ "ror eax, 16" \
+ "xchg al, ah" \
+ parm [eax] \
+ modify [eax];
+#endif
#else
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
#endif
#include "close_code.h"
-#endif /* _SDL_endian_h */
+#endif /* SDL_endian_h_ */
/* vi: set ts=4 sw=4 expandtab: */