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root/cebix/SheepShaver/src/Unix/sysdeps.h
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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.48 by gbeauche, 2005-07-03T22:02:01Z vs.
Revision 1.51 by gbeauche, 2006-04-01T21:41:18Z

# Line 90 | Line 90
90   #endif
91  
92   // Always use the complete non-stubs Ethernet driver
93 #if DIRECT_ADDRESSING
93   #define USE_ETHER_FULL_DRIVER 1
95 #endif
94  
95   #define POWERPC_ROM 1
96  
# Line 113 | Line 111
111   #define PPC_PROFILE_GENERIC_CALLS 0
112   #define KPX_MAX_CPUS 1
113   #if ENABLE_DYNGEN
116 // Don't bother with predecode cache when using JIT
114   #define PPC_ENABLE_JIT 1
118 #undef  PPC_DECODE_CACHE
115   #endif
116   #if defined(__i386__)
117   #define DYNGEN_ASM_OPTS 1
# Line 171 | Line 167 | typedef int64 intptr;
167   #endif
168  
169   /**
170 + *              Helper macros to annotate likely branch directions
171 + **/
172 +
173 + #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
174 + #define likely(x)               __builtin_expect((x),1)
175 + #define unlikely(x)             __builtin_expect((x),0)
176 + #endif
177 + #ifndef likely
178 + #define likely(x)               (x)
179 + #endif
180 + #ifndef unlikely
181 + #define unlikely(x)             (x)
182 + #endif
183 +
184 + /**
185   *              Helper functions to byteswap data
186   **/
187  

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