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Re: [patch] Minor improvement to typeclass.h

From: Jakub Jelinek <jakub at redhat dot com>
To: Jeffrey A Law <law at redhat dot com>
Cc: Phil Edwards <phil at codesourcery dot com>, Zack Weinberg <zack at codesourcery dot com>, Jerry Quinn <jlquinn at optonline dot net>, gcc-patches at gcc dot gnu dot org
Date: Thu, 10 Jun 2004 15:14:34 -0400
Subject: Re: [patch] Minor improvement to typeclass.h
References: <E1BWhnE-0004WN-00@localhost> <877julhhlb.fsf@codesourcery.com> <1086817343.18174.320.camel@speedy> <878yevcm11.fsf@taltos.codesourcery.com> <20040610183105.GA22168@disaster.jaj.com> <1086894458.18174.331.camel@speedy>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Thu, Jun 10, 2004 at 01:07:38PM -0600, Jeffrey A Law wrote:
> So how did glibc manage to use the header when GCC doesn't actually
> install the header?

glibc tgmath.h has hardcoded knowledge that real_type_class == 8,
i.e. always compares __builtin_classify_type (something) == 8 or != 8.

	Jakub

References:
- [patch] Minor improvement to typeclass.h
  - From: Jerry Quinn
- Re: [patch] Minor improvement to typeclass.h
  - From: Zack Weinberg
- Re: [patch] Minor improvement to typeclass.h
  - From: Jeffrey A Law
- Re: [patch] Minor improvement to typeclass.h
  - From: Zack Weinberg
- Re: [patch] Minor improvement to typeclass.h
  - From: Phil Edwards
- Re: [patch] Minor improvement to typeclass.h
  - From: Jeffrey A Law

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