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Optimize also for 68020 and higher CPUs

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This commit is contained in:
Patrice Mandin
2005-03-30 12:38:03 +00:00
parent 412bbf11e1
commit 6eccd4db50
1 changed files with 3 additions and 3 deletions
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6
include/SDL_endian.h
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@@ -79,7 +79,7 @@ static __inline__ Uint16 SDL_Swap16(Uint16 x)
__asm__("rlwimi %0,%2,8,16,23" : "=&r" (result) : "0" (x >> 8), "r" (x));
return result;
}
#elif defined(__GNUC__) && defined(__M68000__)
#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__))
static __inline__ Uint16 SDL_Swap16(Uint16 x)
{
__asm__("rorw #8,%0" : "=d" (x) : "0" (x) : "cc");
@@ -113,10 +113,10 @@ static __inline__ Uint32 SDL_Swap32(Uint32 x)
__asm__("rlwimi %0,%2,24,0,7" : "=&r" (result) : "0" (result), "r" (x));
return result;
}
#elif defined(__GNUC__) && defined(__M68000__)
#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__))
static __inline__ Uint32 SDL_Swap32(Uint32 x)
{
__asm__("rorw #8,%0\n\tswap %0\n\tror #8,%0" : "=d" (x) : "0" (x) : "cc");
__asm__("rorw #8,%0\n\tswap %0\n\trorw #8,%0" : "=d" (x) : "0" (x) : "cc");
return x;
}
#else