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Mail Archives: djgpp/1997/03/02/22:21:06

Date: Mon, 03 Mar 1997 16:09:20 +1200
From: Bill Currie <billc AT blackmagic DOT tait DOT co DOT nz>
Subject: Re: Netlib code [was Re: flops...]
To: Leath Muller <leathm AT solwarra DOT gbrmpa DOT gov DOT au>
Cc: jbennett AT ti DOT com, djgpp AT delorie DOT com
Reply-to: billc AT blackmagic DOT tait DOT co DOT nz
Message-id: <331A4EF0.7CF0@blackmagic.tait.co.nz>
Organization: Tait Electronics NZ
MIME-version: 1.0
References: <199703030209 DOT MAA08035 AT solwarra DOT gbrmpa DOT gov DOT au>

Leath Muller wrote:
> etc etc, only with a _lot_ more crap in the middle. Basically, I want
> to inform DJGPP _not_ to load and store the FPU control word information
> as there is no need! Especially when I am doing a lot of fistp's, as this
> just kills performance...

have you tried -ffast-math ? I don't know if this will help, as I don't
do alot of fp code, but it might help as the gcc docs say the compiler
will violate a lot of ieee and ansi rules/assumptions (which could
include type conversion).

Bill
-- 
Leave others their otherness.

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