From: Martin Dalecki <dalecki@evision-ventures.com>
To: Horst von Brand <vonbrand@sleipnir.valparaiso.cl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.0-test10-pre6: Use of abs()
Date: Mon, 30 Oct 2000 15:01:16 +0100 [thread overview]
Message-ID: <39FD7F2C.9A3F3976@evision-ventures.com> (raw)
In-Reply-To: <200010281629.e9SGTah07672@sleipnir.valparaiso.cl>
Horst von Brand wrote:
>
> Red Hat 7.0, i686, gcc-20001027 (Yes, I know. Just to flush out bugs on
> both sides).
>
> abs() is used at least in:
>
> arch/i386/kernel/time.c
> drivers/md/raid1.c
> drivers/sound/sb_ess.c
>
> gcc warns about use of a non-declared function each time.
>
> No definition for the function is to be found (grep over all include/ comes
> up clean, except for extern definitions in asm-{mips,ppc}; ditto for lib/).
> Presumably gcc is using a builtin (it doesn't show up in System.map). Is
> this the desired state of affairs? Should a include/linux/stdlib.h be
Yes abs will be transformed into an internal function, which will be
fully
unrolled due to -O2.
-
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next prev parent reply other threads:[~2000-10-30 13:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-28 16:29 2.4.0-test10-pre6: Use of abs() Horst von Brand
2000-10-30 14:01 ` Martin Dalecki [this message]
2000-10-30 13:19 ` Jakub Jelinek
2000-10-30 16:14 ` Martin Dalecki
2000-11-01 14:46 ` tytso
2000-11-01 18:22 ` Richard Henderson
2000-11-02 12:14 ` Martin Dalecki
2000-11-02 19:37 ` Richard Henderson
2000-11-02 3:02 ` Theodore Y. Ts'o
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