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Re: Patch for PR 14635 (regression: nan not in C90)

From: Richard Henderson <rth at redhat dot com>
To: "Joseph S. Myers" <jsm at polyomino dot org dot uk>
Cc: gcc-patches at gcc dot gnu dot org
Date: Thu, 18 Mar 2004 18:06:34 -0800
Subject: Re: Patch for PR 14635 (regression: nan not in C90)
References: <Pine.LNX.4.58.0403181951370.5341@digraph.polyomino.org.uk> <20040319014308.GA23031@redhat.com> <Pine.LNX.4.58.0403190146400.3385@digraph.polyomino.org.uk>

On Fri, Mar 19, 2004 at 01:56:29AM +0000, Joseph S. Myers wrote:
> It is a feature for __builtin_nan(whatever) to expand to a constant
> expression, so __builtin_nanf can be used to define NAN, but a bug for (a
> function call) nan(whatever) to do so.

Ah yes.  Agreed wrt further changes to support nan as a "normal" function.


r~

Follow-Ups:
- Re: Patch for PR 14635 (regression: nan not in C90)
  - From: Roger Sayle

References:
- Patch for PR 14635 (regression: nan not in C90)
  - From: Joseph S. Myers
- Re: Patch for PR 14635 (regression: nan not in C90)
  - From: Richard Henderson
- Re: Patch for PR 14635 (regression: nan not in C90)
  - From: Joseph S. Myers

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