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Re: Should we optimize memset to bzero?

To: hjl at lucon dot org
Subject: Re: Should we optimize memset to bzero?
From: "Martin v. Loewis" <martin at v dot loewis dot de>
Date: Fri, 2 Nov 2001 20:02:56 +0100
CC: jakub at redhat dot com, libc-alpha at sources dot redhat dot com
References: <20011102082849.A7990@lucon.org> <20011102173800.D739@sunsite.ms.mff.cuni.cz> <20011102084406.B8318@lucon.org> <20011102175103.E739@sunsite.ms.mff.cuni.cz> <20011102085139.A8486@lucon.org> <20011102175905.F739@sunsite.ms.mff.cuni.cz> <20011102090629.A8646@lucon.org>

> I doubt gcc will ever inline it if `n' is a variable. It is also very
> unlikely for a big constant, like 256.

Can you show an example where inlining bzero for a big constant gives
a significant speed-up, compared to a function call?

Regards,
Martin

References:
- Should we optimize memset to bzero?
  - From: H . J . Lu
- Re: Should we optimize memset to bzero?
  - From: Jakub Jelinek
- Re: Should we optimize memset to bzero?
  - From: H . J . Lu
- Re: Should we optimize memset to bzero?
  - From: Jakub Jelinek
- Re: Should we optimize memset to bzero?
  - From: H . J . Lu
- Re: Should we optimize memset to bzero?
  - From: Jakub Jelinek
- Re: Should we optimize memset to bzero?
  - From: H . J . Lu

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