gist: 222087 - sum by ARM NEON- GitHub


  
    
      neon_sum.m #
    
    
      
      
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              - (void) sum
{
   uint4 x = {0,1,2,3};
   uint4 y = {4,5,6,7};
   //uint4 result = x + y;
   uint4 result = vaddq_u32(x, y);
 
   uint32_t a = *(uint32_t *)&result;
   uint32_t b = *((uint32_t *)&result +1);
   uint32_t c = *((uint32_t *)&result +2);
   uint32_t d = *((uint32_t *)&result +3);
   
   NSLog(@"result = (%u,%u,%u,%u)", a, b, c, d); // -> result = (4,6,8.10)
}
Description:	sum by ARM NEON
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