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List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: Barry.SCHWARTZ@...
Subject: Optimizations (was Re: First Impressions)
Date: Thu, 28 Sep 2006 16:17:57 -0500
"Boyd Stephen Smith Jr." <bss03@...> skribis:
> Now, I have to problem with developers closing some bug opened by a ricer 
> out there that's added -ffast-math to their CFLAGS as WONTFIX/INVALID 
> since it's not really a problem.  All the parts provided by Gentoo 
> (ebuild, source, compiler, portage, etc.) all behaving properly.  It's 
> just that, just like the warning says, programs WILL break 
> under -ffast-math.

I have to disagree with this strongly, because -ffast-math means you
want code that violates the IEEE floating point standard.

> > Indeed, there aren’t many fields of ‘production’ in which end users
> > ought to be encouraged to try things that expose flaws in design or
> > manufacture.
> 
> I disagree.  I want to know about those flaws, and I want the manufactures 
> to fix them -- which is why I like Consumer Reports so much. :)

It’s one thing to read Consumer Reports and have it say your SUV rolls
over easily, and another to drive in a manner likely to roll your SUV
over. It’s even worse to sort of hold SUV drivers hostage by
encouraging them to roll over their SUVs unless and until the
manufacturer fixes the SUV. People should be encouraged to drive their
dangerous vehicles safely, and so should users be encouraged to set
their CFLAGS safely.

-- 
Barry.SCHWARTZ at chemoelectric.org   http://chemoelectric.org
        Free stuff / Senpagaj varoj:  http://crudfactory.com (PDF)
'Democracies don't war; democracies are peaceful countries.' - Bush
(http://www.whitehouse.gov/news/releases/2005/12/20051219-2.html)
Attachment:
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Replies:
Re: Optimizations (was Re: First Impressions)
-- Boyd Stephen Smith Jr.
References:
First Impressions
-- Daniel Iliev
Re: First Impressions
-- Boyd Stephen Smith Jr.
Re: First Impressions
-- Barry . SCHWARTZ
Re: First Impressions
-- Boyd Stephen Smith Jr.
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Updated Jun 17, 2009

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