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From: Andrew Morton <akpm@osdl.org>
To: Albert Cahalan <albert@users.sourceforge.net>
Cc: willy@w.ods.org, chip@pobox.com, albert@users.sourceforge.net,
	linux-kernel@vger.kernel.org, davem@redhat.com
Subject: Re: [PATCH] 2.4.22pre10: {,un}likely_p() macros for pointers
Date: Mon, 11 Aug 2003 11:55:47 -0700	[thread overview]
Message-ID: <20030811115547.38b78b8e.akpm@osdl.org> (raw)
In-Reply-To: <1060607398.948.213.camel@cube>

Albert Cahalan <albert@users.sourceforge.net> wrote:
>
> -#define likely(x)	__builtin_expect((x),1)
> -#define unlikely(x)	__builtin_expect((x),0)
> +#define likely(x)	__builtin_expect(!!(x),1)
> +#define unlikely(x)	__builtin_expect(!!(x),0)

Odd.  I thought we fixed that ages ago.

Being a simple soul, I prefer __builtin_expect((x) != 0, 1).

  reply	other threads:[~2003-08-11 19:11 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-10  4:03 [PATCH] 2.4.22pre10: {,un}likely_p() macros for pointers Albert Cahalan
2003-08-10  7:29 ` Willy Tarreau
2003-08-10  8:02   ` Willy Tarreau
2003-08-11  1:23   ` Chip Salzenberg
2003-08-11  2:09     ` Jamie Lokier
2003-08-11  2:39       ` Chip Salzenberg
2003-08-11  4:02         ` Albert Cahalan
2003-08-11  4:30         ` Jamie Lokier
2003-08-11  5:30         ` Willy Tarreau
2003-08-11  5:42           ` Jamie Lokier
2003-08-11 13:09             ` Albert Cahalan
2003-08-11 18:55               ` Andrew Morton [this message]
2003-08-11 23:13                 ` Albert Cahalan
2003-08-13 19:42                   ` Jamie Lokier
2003-08-11  4:55   ` Jamie Lokier
2003-08-11  5:26     ` Willy Tarreau
2003-08-11  5:38       ` Jamie Lokier
  -- strict thread matches above, loose matches on Subject: below --
2003-08-05 12:44 Albert Cahalan
2003-08-09  0:21 ` Jamie Lokier
2003-08-09  8:13   ` Willy Tarreau
2003-08-09  8:51     ` David S. Miller
2003-08-09  9:36       ` Jamie Lokier
2003-08-09 10:10       ` Herbert Xu
2003-08-09 10:42       ` Alan Cox
2003-08-09 16:23         ` Jamie Lokier
2003-08-04 17:06 Chip Salzenberg

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