Path: utzoo!utgpu!watmath!watcgl!jdchrist
From: jdchrist@watcgl.waterloo.edu (Dan Christensen)
Newsgroups: comp.lang.c
Subject: Re: swap(x,y)
Message-ID: <11274@watcgl.waterloo.edu>
Date: 28 Aug 89 03:38:27 GMT
References: <MYwDEFy00WB842JEUx@andrew.cmu.edu> <8350@boring.cwi.nl> <8514@galbp.LBP.HARRIS.COM> <3040@solo5.cs.vu.nl> <32074@ism780c.isc.com> <184@titania.warwick.ac.uk>
Reply-To: jdchrist@watcgl.waterloo.edu (Dan Christensen)
Organization: Computer Graphics Lab, University of Waterloo
Lines: 19

In article <184@titania.warwick.ac.uk> cudcv@warwick.ac.uk (Rob McMahon) writes:
>On our Gould PN6000 with GCC 1.34
>
>	{
>	  int tmp;
>	  tmp = x;
>	  x = y;
>	  y = tmp;
>	}
>
>compiles to
>
>	xchg	r5,r4

Just out of curiousity, is space allocated for tmp?

----
Dan Christensen, Computer Graphics Lab,	         jdchrist@watcgl.uwaterloo.ca
University of Waterloo, Waterloo, Ont.	         jdchrist@watcgl.waterloo.edu