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Re: PATCH: powerpc/strchr.S for BPs

To: Geoff Keating <geoffk at cygnus dot com>
Subject: Re: PATCH: powerpc/strchr.S for BPs
From: Greg McGary <greg at mcgary dot org>
Date: 22 Jul 2000 23:16:39 -0700
Cc: libc-hacker at sourceware dot cygnus dot com
References: <200007220836.BAA25479@kayak.mcgary.org> <200007230357.UAA00545@localhost.cygnus.com>

Geoff Keating <geoffk@cygnus.com> writes:

> I'd appreciate it if you could run some benchmarks.  I'm not convinced
> that adding an extra taken branch to the most common path in this
> routine would be insignificant.

If you are certain it is the most common path, should I add
branch-prediction qualifiers?

What do you suggest as a benchmark?

References:
- PATCH: powerpc/strchr.S for BPs
  - From: Greg McGary

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