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Date:	Mon, 9 Nov 2009 13:31:25 -0200
From:	André Goddard Rosa <>
To:	David Howells <>
Cc:	linux list <>
Subject: Re:

On Mon, Nov 9, 2009 at 10:39 AM, David Howells <> wrote:
> MIME-Version: 1.0
> Content-Type: text/plain; charset=iso-8859-1
> Content-Transfer-Encoding: quoted-printable
> Andr=E9 Goddard Rosa <> wrote:
>> It decreases code size:
>>    text    data     bss     dec     hex filename
>>   15719       0       8   15727    3d6f lib/vsprintf.o-before
>>   15543       0       8   15551    3cbf lib/vsprintf.o-after
> Whilst this may be true, there will be a countervailing decrease in
> performance.  Have you assessed that?

(trimmed long cc: list to keep it sane, I'll not use
output this way anymore)

I'm not sure it decreases performance. From the last iteration of the
patch, I removed
the hint to force "not inlining", so that gcc can inline it if it
thinks it's better.

Are those so performance sensitive that it makes sense to perform this
If you think so, what would you suggest? A micro-benchmark or some
real use case?

Best regards,
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