0 votes 0 votes Caption Compiler Design made-easy-test-series three-address-code grammar + – Himanshu555 asked Oct 24, 2022 retagged Oct 26, 2022 by makhdoom ghaya Himanshu555 366 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Himanshu555 commented Oct 24, 2022 reply Follow Share why variable a,b,c,d not used for 3- address code. 1 votes 1 votes Chandrabhan Vishwa 1 commented Oct 24, 2022 reply Follow Share a,b,c,d they are not temporary variable these are date variable which is store in data register temporary register and data register are different 0 votes 0 votes Himanshu555 commented Oct 24, 2022 reply Follow Share so,my doubt is why we do not use these data register to store intermediate result so, that we can minimise the use of temporary register. 0 votes 0 votes Chandrabhan Vishwa 1 commented Oct 24, 2022 reply Follow Share controle unit behavier with data register and temporary register is different . if not then ambiguity problem to access these type of register 0 votes 0 votes Chandrabhan Vishwa 1 commented Oct 24, 2022 reply Follow Share https://www.geeksforgeeks.org/different-classes-of-cpu-registers/ see this 0 votes 0 votes Please log in or register to add a comment.