Path: utzoo!utgpu!news-server.csri.toronto.edu!eecg.toronto.edu!drb
Newsgroups: comp.sys.sgi
From: drb@eecg.toronto.edu (David R. Blythe)
Subject: Re: Where's the SPARK in my SPARC????
Message-ID: <1991Feb22.183550.16477@jarvis.csri.toronto.edu>
Organization: EECG, University of Toronto
References: <1991Feb21.120049.5626@jarvis.csri.toronto.edu> <3001@charon.cwi.nl>
Date: 22 Feb 91 23:35:50 GMT
Lines: 16

In article <3001@charon.cwi.nl> dik@cwi.nl (Dik T. Winter) writes:
>
>The major problem is that the -fsingle flag is nearly useless for original
>K&R C.  Suppose you have a routine whose declaration reads:
>	void rout(s) float s; { ... }
>this is effectively the same as declaring:
>	void rout(s) double s; { ... }
>and within the routine all calculations involving s are effectively done
>in double rather than float *regardless to whether the -fsingle flag was
>used or not*.

This is also true for the SGI compiler so its not likely the PI got any big
performance advantage from that.
	-drb




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