ARM NEON how can i change value with a index

Question

unsigned char changeValue(unsigned char pArray[256],unsigned char value)
{


return pArray[value];
}

how can I change this function with neon with about uint8x8_t??

thanks for your help!!

Answer 1

You can't - NEON does not have gathered loads. The only case that you can handle like this is when you want to return 8 or 16 contiguous byte values.