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Re: speed up verifying UTF-8 - Mailing list pgsql-hackers

From Greg Stark
Subject Re: speed up verifying UTF-8
Date
Msg-id CAM-w4HNDsv3EGPYh4NekwjFC=g_2aBMDgn87xBiBkkB-yiTL7w@mail.gmail.com
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In response to Re: speed up verifying UTF-8  (Heikki Linnakangas <hlinnaka@iki.fi>)
Responses Re: speed up verifying UTF-8  (Greg Stark <stark@mit.edu>)
Re: speed up verifying UTF-8  (Heikki Linnakangas <hlinnaka@iki.fi>)
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> 3. It's probably cheaper perform the HAS_ZERO check just once on (half1
| half2). We have to compute (half1 | half2) anyway.

Wouldn't you have to check (half1 & half2) ?

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