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Re: __builtin_expect [was: __func__]
From: |
Bruno Haible |
Subject: |
Re: __builtin_expect [was: __func__] |
Date: |
Tue, 4 Mar 2008 03:54:02 +0100 |
User-agent: |
KMail/1.5.4 |
Eric Blake wrote:
> Along the lines of detecting compiler capabilities, would it be worth a
> 'builtin_expect' module that provides a __builtin_expect in config.h for
> compilers that don't provide it?
If you find it worth, please add it. I won't probably use it, because the
amount of speedup one can gain with it is tiny and OTOH it makes the source
code significantly less readable.
Bruno
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