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Re: Activate -mrecip with -ffast-math?

From: tbp <tbptbp at gmail dot com>
To: "Giovanni Bajo" <rasky at develer dot com>
Cc: "Richard Guenther" <richard dot guenther at gmail dot com>, "Uros Bizjak" <ubizjak at gmail dot com>, GCC <gcc at gcc dot gnu dot org>, "Bradley Lucier" <lucier at math dot purdue dot edu>, "Roger Sayle" <roger at eyesopen dot com>
Date: Mon, 18 Jun 2007 14:07:08 +0200
Subject: Re: Activate -mrecip with -ffast-math?
References: <46757B74.6010300@gmail.com> <84fc9c000706180226p6253f55fy1ad037c876f6e1c8@mail.gmail.com> <4fc48eb10706180316r7bbefcd9x33b30a8b281c3e78@mail.gmail.com> <4676717F.2050109@develer.com>

On 6/18/07, Giovanni Bajo <rasky@develer.com> wrote:

I understand your problems, but let me state that your objections are
totally subjective. *You* need a specific behaviour from -ffast-math
(eg: keep NaN/Inf), but that's not what *I* need. So, we have different
goals.

No. My NaN are my problem. Those generated by gcc, aren't.
At the very least provide a cannonical (efficient) way to filter them
(ie SSE min/max).

References:
- Re: Activate -mrecip with -ffast-math?
  - From: Uros Bizjak
- Re: Activate -mrecip with -ffast-math?
  - From: Richard Guenther
- Re: Activate -mrecip with -ffast-math?
  - From: tbp
- Re: Activate -mrecip with -ffast-math?
  - From: Giovanni Bajo

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