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Re: GCC's statement expression extension

To: Mark Mitchell <mark at codesourcery dot com>
Subject: Re: GCC's statement expression extension
From: Geoff Keating <geoffk at cygnus dot com>
Date: 24 Jul 2000 15:48:16 -0700
CC: gcc at gcc dot gnu dot org
References: <Pine.SOL.4.21.0007220011570.29830-100000@orange.csi.cam.ac.uk> <12879.964370396@upchuck> <20000723095222D.mitchell@codesourcery.com>

Mark Mitchell <mark@codesourcery.com> writes:

> A secondary consideration is that we should consider deprecating the
> statement-expression extension.  We should try to convince the glibc
> people that statement-expressions are bad, since they are the heaviest
> users of this hack.  The glibc people should remove all of that crud
> in macros, and replace it with inline functions.  And we should make
> the compiler optimize the inline fucntions appropriately so that they
> cannot complain that performance is degraded.

The main reason glibc does this is because __builtin_constant_p
doesn't/didn't work inside inline functions.

-- 
- Geoffrey Keating <geoffk@cygnus.com>

Follow-Ups:
- Re: GCC's statement expression extension
  - From: Mark Mitchell
- Re: GCC's statement expression extension
  - From: Richard Henderson

References:
- GCC's statement expression extension
  - From: Joseph S. Myers
- Re: GCC's statement expression extension
  - From: Jeffrey A Law
- Re: GCC's statement expression extension
  - From: Mark Mitchell

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