Compiling an ellipsis

"Guillaume Comeau" <gcome@NOSPMcyberus.ca>
21 Nov 1999 23:27:29 -0500

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Related articles
Compiling an ellipsis gcome@NOSPMcyberus.ca (Guillaume Comeau) (1999-11-21)
Re: Compiling an ellipsis adonovan@imerge.co.uk (Alan Donovan) (1999-11-23)
Re: Compiling an ellipsis zalman@netcom15.netcom.com (Zalman Stern) (1999-11-23)
Re: Compiling an ellipsis jejones@microware.com (James Jones) (1999-11-23)
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From: "Guillaume Comeau" <gcome@NOSPMcyberus.ca>
Newsgroups: comp.compilers
Date: 21 Nov 1999 23:27:29 -0500
Organization: Posted via Supernews, http://www.supernews.com
Keywords: C, code, architecture, question

I am currently looking at my implementations of some ANSI C functions
such as printf, sprintf, fprintf. All these functions may take a
variable number of parameters.


Now, I can figure out a portable way to deal with a variable number of
parameters, but some processors put the n first parameters of a
function call into internal registers.


Hence the question: are parameters in ellipsis forcefully on the
operand stack, or can they be in internal registers as space allows?
(in which I have some assembly work to do for each processor port).


Regards,


Guillaume Comeau.

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