Date: Sun, 30 Oct 2005 22:32:04 +0000
From: Al Viro <viro@ftp.linux.org.uk>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Dave Jones <davej@redhat.com>, Keith Owens <kaos@ocs.com.au>,
       linux-kernel@vger.kernel.org
Subject: Re: 2.6.14 assorted warnings
Message-ID: <20051030223204.GO7992@ftp.linux.org.uk>
References: <5455.1130484079@kao2.melbourne.sgi.com> <20051028073049.GA27389@redhat.com> <1130710531.32734.5.camel@localhost.localdomain> <20051030222543.GN7992@ftp.linux.org.uk>
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On Sun, Oct 30, 2005 at 10:25:43PM +0000, Al Viro wrote:
> static inline __attribute__((always_inline)) int bar(int n, int *idx)
> {
>         if (n != 1) 
>                 return 0; 
>         *idx = 1;
>         return 1;  
> }
> void baz(int *v, int n)
> {
>         int idx;
>         int p = bar(n, &idx);
>         if (__builtin_expect(!p, 0))
>                 return; 
>         *v |= idx;
> }
> 
> and try gcc -Wall on that.

Duh.  gcc -Wall -Os, of course
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