Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.csd.uwm.edu!gem.mps.ohio-state.edu!ginosko!aplcen!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: swap(x,y)
Message-ID: <10936@smoke.BRL.MIL>
Date: 5 Sep 89 14:24:57 GMT
References: <MYwDEFy00WB842JEUx@andrew.cmu.edu> <8350@boring.cwi.nl> <10790@riks.csl.sony.co.jp> <1560@l.cc.purdue.edu>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 8

In article <1560@l.cc.purdue.edu> cik@l.cc.purdue.edu (Herman Rubin) writes:
>The machine language programmer has no problems with this.

Neither does the high-level language programmer, who has been swapping
the contents of variables for years.  It is only someone with an
excessive concern for controlling the details of the generated code
from the compiler who has a problem, and he should be programming in
assembly language if the details truly matter.