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From: dik@cwi.nl (Dik T. Winter)
Newsgroups: comp.arch
Subject: Re: Is double->int slow?
Message-ID: <3683@charon.cwi.nl>
Date: 11 Jun 91 21:06:02 GMT
References: <1991Jun6.172905.5304@vax5.cit.cornell.edu> <1991Jun10.220533.19560@jetsun.weitek.COM> <COGSWELL.91Jun11112827@MEAT.cs.cmu.edu>
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In article <COGSWELL.91Jun11112827@MEAT.cs.cmu.edu> cogswell@MEAT.cs.cmu.edu (Bryce Cogswell) writes:
 > Double to int conversion on the RS/6000 is done in software, and
 > requires 17-39 instructions.
 > 
Indeed.  But most of the code are for out of range checking end rounding mode
setting (I think).  The actual conversion is only 3 instructions.
--
dik t. winter, cwi, amsterdam, nederland
dik@cwi.nl