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root/cebix/BasiliskII/src/Unix/sysdeps.h
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Comparing BasiliskII/src/Unix/sysdeps.h (file contents):
Revision 1.15 by cebix, 2000-11-30T16:20:52Z vs.
Revision 1.16 by gbeauche, 2001-01-28T14:03:19Z

# Line 236 | Line 236 | static inline void do_put_mem_word(uae_u
236   #else
237   static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
238   #endif
239 + #define HAVE_OPTIMIZED_BYTESWAP_32
240 + /* bswap doesn't affect condition codes */
241 + static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
242 + #define HAVE_OPTIMIZED_BYTESWAP_16
243 + #ifdef X86_PPRO_OPT
244 + static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
245 + #else
246 + static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
247 + #endif
248  
249   #elif defined(CPU_CAN_ACCESS_UNALIGNED)
250  
# Line 257 | Line 266 | static inline void do_put_mem_word(uae_u
266  
267   #endif /* WORDS_BIGENDIAN */
268  
269 + #ifndef HAVE_OPTIMIZED_BYTESWAP_32
270 + static inline uae_u32 do_byteswap_32(uae_u32 v)
271 +        { return (((v >> 24) & 0xff) | ((v >> 8) & 0xff00) | ((v & 0xff) << 24) | ((v & 0xff00) << 8)); }
272 + #endif
273 +
274 + #ifndef HAVE_OPTIMIZED_BYTESWAP_16
275 + static inline uae_u32 do_byteswap_16(uae_u32 v)
276 +        { return (((v >> 8) & 0xff) | ((v & 0xff) << 8)); }
277 + #endif
278 +
279   #define do_get_mem_byte(a) ((uae_u32)*((uae_u8 *)(a)))
280   #define do_put_mem_byte(a, v) (*(uae_u8 *)(a) = (v))
281  

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