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Re: Inline round for IA64

From: Vincent Lefevre <vincent+gcc at vinc17 dot org>
To: gcc at gcc dot gnu dot org
Date: Thu, 7 Apr 2005 17:37:00 +0200
Subject: Re: Inline round for IA64
References: <20050407093847.0B32A5BF2C@ds20.nudt.edu.cn> <fb5204776d9bd9af638f2078013a4d05@adacore.com>

On 2005-04-07 08:08:15 -0400, Geert Bosch wrote:
> On platforms such as x86, where GCC implicitly widens intermediate
> results for IEEE double,

This depends on the FPU configuration, so...

> the rounding to integer should be performed entirely in long double
> mode, using the long double predecessor of 0.5.

make sure that this works with both configurations (IMHO, one may
assume that no-one would want to configure the rounding precision
to single precision).

-- 
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / SPACES project at LORIA

References:
- Inline round for IA64
  - From: Canqun Yang
- Re: Inline round for IA64
  - From: Geert Bosch

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