From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,1d575f572a099528
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2001-12-06 15:09:29 PST
Path: 
 archiver1.google.com!news1.google.com!newsfeed.stanford.edu!newsfeeds.belnet.be!news.belnet.be!uni-erlangen.de!news-nue1.dfn.de!news-han1.dfn.de!news.fh-hannover.de!news.cid.net!news.enyo.de!news1.enyo.de!not-for-mail
From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: What is faster Ada or C?
Date: Fri, 07 Dec 2001 00:33:28 +0100
Organization: Enyo's not your organization
Message-ID: <87itbj7wl3.fsf@deneb.enyo.de>
References: <3c08314d$0$158$9b622d9e@news.freenet.de>
 <a8MO7.46831$xS6.76121@www.newsranger.com> <3C0BA624.7A12BFA1@boeing.com>
 <v1QO7.47193$xS6.77242@www.newsranger.com>
 <9ugotc$rjl$1@a1-hrz.uni-duisburg.de>
 <slrna0nqqr.5p8.randhol+abuse@kiuk0156.chembio.ntnu.no>
 <87wv026138.fsf@deneb.enyo.de> <9ulgkl$cj0$2@a1-hrz.uni-duisburg.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cancel-Lock: sha1:SF17ulY7mFalFab5Dwv+6SYF4RQ=
Xref: archiver1.google.com comp.lang.ada:17542
Date: 2001-12-07T00:33:28+01:00
List-Id: <comp.lang.ada>

Georg Bauhaus <sb463ba@l1-hrz.uni-duisburg.de> writes:

> Florian Weimer <fw@deneb.enyo.de> wrote:
>  
> : One of the jumps is unreachable, so I think this is some kind of
> : compiler bug (if this happens when optimization is turned on).
>
> Why?  (An uninformed wild speculation on my side makes me play with
> the thought that this need not in general be true. E.g. if a jump is
> a cheap operation and no nop was available,

GCC doesn't know much about exact instruction widths, so it cannot
insert explicit NOPs to improve alignment. ;-)