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From: Andreas Schwab <schwab@suse.de>
Cc: rms@gnu.org, emacs-devel@gnu.org
Subject: Re: [harder@ifa.au.dk: Speed of all-completions]
Date: Tue, 15 Jun 2004 13:00:48 +0200	[thread overview]
Message-ID: <jesmcxt7a7.fsf@sykes.suse.de> (raw)
In-Reply-To: <x5ekohyb2j.fsf@lola.goethe.zz> (David Kastrup's message of "15 Jun 2004 01:27:48 +0200")

David Kastrup <dak@gnu.org> writes:

> Andreas Schwab <schwab@suse.de> writes:
>
>> This is due to this change:
>> 
>> 	(Ftry_completion, Fall_completions, Ftest_completion): Bind
>> 	case-fold-search to the value of completion-ignore-case when
>> 	checking completion-regexp-list.
>> 
>> I've checked in a fix that avoids the overhead of specbind when
>> completion-regexp-list is empty.
>
> At the cost of being more expensive when it isn't.

Why is it more expensive?  The check for CONSP (completion-regexp-list)
has to be done anyway, and can be CSE'd by the compiler.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

  parent reply	other threads:[~2004-06-15 11:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-13 21:48 [harder@ifa.au.dk: Speed of all-completions] Richard Stallman
2004-06-13 22:22 ` Andreas Schwab
2004-06-14 23:27   ` David Kastrup
2004-06-15  0:04     ` Luc Teirlinck
2004-06-15  7:29       ` David Kastrup
2004-06-15 11:00     ` Andreas Schwab [this message]
2004-06-15 11:28       ` David Kastrup
2004-06-15 12:13         ` Andreas Schwab
2004-06-15 13:27           ` David Kastrup
2004-06-15 13:40             ` Andreas Schwab
2004-06-15 13:48               ` David Kastrup
2004-06-15 14:08                 ` Andreas Schwab
2004-06-15 14:19                   ` David Kastrup
2004-06-15 14:32                     ` Andreas Schwab
2004-06-15 15:42             ` Luc Teirlinck
2004-06-15 15:55               ` David Kastrup
2004-06-18 18:45                 ` Luc Teirlinck
2004-06-19  3:19                   ` Richard Stallman
2004-06-20 22:35                     ` David Kastrup
2004-06-15 18:13   ` Richard Stallman

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