This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]

Re: Why Special float.h Files? (Was: Re: PATCH: XFAIL c99-float-1.c...)

To: Michael Meissner <meissner at cygnus dot com>
Subject: Re: Why Special float.h Files? (Was: Re: PATCH: XFAIL c99-float-1.c...)
From: Richard Henderson <rth at redhat dot com>
Date: Wed, 31 Jan 2001 12:42:20 -0800
Cc: "Joseph S. Myers" <jsm28 at cam dot ac dot uk>, Jeffrey Oldham <oldham at codesourcery dot com>, gcc-patches at gcc dot gnu dot org
References: <200101311601.IAA09438@oz.codesourcery.com> <Pine.LNX.4.32.0101311802260.21060-100000@kern.srcf.societies.cam.ac.uk> <20010131142928.D16077@cse.cygnus.com>

On Wed, Jan 31, 2001 at 02:29:28PM -0500, Michael Meissner wrote:
> (due to having switches that control how big double is ...

These should have a special float.h like sh and sparc do, 
which look at preprocessor defines set up by the switches
and define the constants appropriately.

> ... systems that use IEEE format but don't use NaNs/infinities

Happily, this doesn't affect these defines.

> ... non-IEEE formats)

You're on your own there.  ;-)

r~

References:
- Why Special float.h Files? (Was: Re: PATCH: XFAIL c99-float-1.c...)
  - From: Jeffrey Oldham
- Re: Why Special float.h Files? (Was: Re: PATCH: XFAIL c99-float-1.c...)
  - From: Joseph S. Myers
- Re: Why Special float.h Files? (Was: Re: PATCH: XFAIL c99-float-1.c...)
  - From: Michael Meissner

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]