Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!newstop!texsun!convex!convex.convex.com!ewright
From: ewright@convex.com (Edward V. Wright)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Pascal deficiency?
Message-ID: <ewright.661465844@convex.convex.com>
Date: 17 Dec 90 20:30:44 GMT
References: <q72au3w163w@questor.wimsey.bc.ca> <1990Dec17.160242.5095@phri.nyu.edu> <1990Dec17.172613.7941@cs.umn.edu>
Sender: news@convex.com
Lines: 20

In <1990Dec17.172613.7941@cs.umn.edu> sec@cs.umn.edu (Stephen E. Collins) writes:

>To wit, most CPUs have some sort of increment instruction in the hardware,
>so a shoddy compiler may generate something like the following code:

>x := x+1:    LOAD  X
>             ADD   1
>             STORE X
> -or-

>x++:         INC X


Actually, this would have to be

>x++:         LOAD  X
>             INC   X
>             STORE X

Unless you have an instruction to increment variables in memory!