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root/cebix/SheepShaver/src/Unix/sysdeps.h
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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.13 by gbeauche, 2003-10-26T14:16:37Z vs.
Revision 1.16 by gbeauche, 2003-11-28T22:13:49Z

# Line 79 | Line 79
79   #endif
80   // Configure PowerPC emulator
81   #define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
82 < #define PPC_NO_LAZY_PC_UPDATE 1
83 < //#define PPC_NO_DECODE_CACHE 1
82 > #define PPC_DECODE_CACHE 1
83   #define PPC_FLIGHT_RECORDER 1
84 + #define PPC_PROFILE_COMPILE_TIME 1
85 + #define KPX_MAX_CPUS 1
86   #else
87   // Mac ROM is write protected
88   #define ROM_IS_WRITE_PROTECTED 1
# Line 132 | Line 133 | typedef int64 intptr;
133   #error "Unsupported size of pointer"
134   #endif
135  
136 < // Helper functions to byteswap data
136 > /**
137 > *              Helper functions to byteswap data
138 > **/
139 >
140 > #if defined(__GNUC__)
141 > #if defined(__x86_64__)
142 > // Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
143 > #define opt_bswap_32 do_opt_bswap_32
144 > static inline uint32 do_opt_bswap_32(uint32 x)
145 > {
146 >  uint32 v;
147 >  __asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
148 >  return v;
149 > }
150 > #endif
151 > #endif
152 >
153   #ifdef HAVE_BYTESWAP_H
154   #include <byteswap.h>
155   #endif
156  
157 + #ifdef  opt_bswap_16
158 + #undef  bswap_16
159 + #define bswap_16 opt_bswap_16
160 + #endif
161   #ifndef bswap_16
162   #define bswap_16 generic_bswap_16
163   #endif
# Line 146 | Line 167 | static inline uint16 generic_bswap_16(ui
167    return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
168   }
169  
170 + #ifdef  opt_bswap_32
171 + #undef  bswap_32
172 + #define bswap_32 opt_bswap_32
173 + #endif
174   #ifndef bswap_32
175   #define bswap_32 generic_bswap_32
176   #endif
# Line 158 | Line 183 | static inline uint32 generic_bswap_32(ui
183                    ((x & 0x000000ff) << 24) );
184   }
185  
186 + #ifdef  opt_bswap_64
187 + #undef  bswap_64
188 + #define bswap_64 opt_bswap_64
189 + #endif
190   #ifndef bswap_64
191   #define bswap_64 generic_bswap_64
192   #endif

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