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   21 #ifndef AVUTIL_PPC_TYPES_ALTIVEC_H 
   22 #define AVUTIL_PPC_TYPES_ALTIVEC_H 
   27 #define vec_u8  vector unsigned char 
   28 #define vec_s8  vector signed char 
   29 #define vec_u16 vector unsigned short 
   30 #define vec_s16 vector signed short 
   31 #define vec_u32 vector unsigned int 
   32 #define vec_s32 vector signed int 
   33 #define vec_f   vector float 
   38 #define LOAD_ZERO const vec_u8 zerov = vec_splat_u8( 0 ) 
   40 #define zero_u8v  (vec_u8)  zerov 
   41 #define zero_s8v  (vec_s8)  zerov 
   42 #define zero_u16v (vec_u16) zerov 
   43 #define zero_s16v (vec_s16) zerov 
   44 #define zero_u32v (vec_u32) zerov 
   45 #define zero_s32v (vec_s32) zerov