decompose bytes32,bytes32,bytes16 to address

test.sol

pragma solidity ^0.8.0;

contract Test {
    
    function a(bytes32 c, bytes32 d, bytes16 e) external view returns(address[4] memory res) {
        assembly {
            //address will take the right-end 20 bytes -> starting at 0, need to add 8 bytes of padding (already 4 from the function sig) => shift right 64bits
            mstore(res, shr(64, calldataload(0))) //res[0]  res==keccak256(0)==0 here (slot0)
            mstore(add(res, 32), calldataload(12)) // we want to have the offset 12 bytes before the begining of the address -> 4+20 are just before, then -12 = 12
            mstore(add(res, 64), calldataload(32))
            mstore(add(res, 96), calldataload(52))
        }
    }
}



/*


c : 0x7130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c0e09fabb73bd3ade0a17ecc3

d : 0x21fd13a19e81ce82 f8a0bf9cf54bb92f17374d9e9a321e6a111a51bd 2170ed08

e : 0x80ac9a755fd29b2688956bd959f933f8

selector : 0x13471064

raw data (remix) : "0x7130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c0e09fabb73bd3ade0a17ecc3","0x21fd13a19e81ce82f8a0bf9cf54bb92f17374d9e9a321e6a111a51bd2170ed08","0x80ac9a755fd29b2688956bd959f933f800000000000000000000000000000000"

payload : 0x134710647130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c0e09fabb73bd3ade0a17ecc321fd13a19e81ce82f8a0bf9cf54bb92f17374d9e9a321e6a111a51bd2170ed0880ac9a755fd29b2688956bd959f933f800000000000000000000000000000000

orig : 
0x7130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c
0x0e09fabb73bd3ade0a17ecc321fd13a19e81ce82
0xf8a0bf9cf54bb92f17374d9e9a321e6a111a51bd
0x2170ed0880ac9a755fd29b2688956bd959f933f8


*/