From: Andreas Schwab <schwab@suse.de>
To: Ulrich Drepper <drepper@redhat.com>
Cc: libc-hacker@sources.redhat.com
Subject: Re: INTERNAL_SYSCALL and function calls in arguments
Date: Sat, 10 Apr 2004 22:04:00 -0000 [thread overview]
Message-ID: <je4qrr7dcz.fsf@sykes.suse.de> (raw)
In-Reply-To: <407846C3.9040902@redhat.com> (Ulrich Drepper's message of "Sat, 10 Apr 2004 12:10:59 -0700")
Ulrich Drepper <drepper@redhat.com> writes:
> Andreas Schwab wrote:
>
>> Since the change only introduces temporary variables which the compiler
>> would create internally anyway, the compiler is perfectly capable to
>> optimize them away, and in all cases except sched_setaffinity the
>> generated code is virtually identical.
>
> I haven't asked about theoretical results. You must assume I'm stupid
> and don't know that this is possible. What are the concrete results?
As I wrote above: virtually identical. In some cases even better.
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."
next prev parent reply other threads:[~2004-04-10 22:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-09 7:15 Thorsten Kukuk
2004-04-09 13:45 ` Andreas Schwab
2004-04-10 7:34 ` Andreas Jaeger
2004-04-13 12:54 ` Kaz Kojima
2004-04-16 19:07 ` Ulrich Drepper
2004-04-10 16:50 ` Ulrich Drepper
2004-04-10 18:38 ` Andreas Schwab
2004-04-10 19:11 ` Ulrich Drepper
2004-04-10 22:04 ` Andreas Schwab [this message]
2004-04-13 0:28 ` Ulrich Drepper
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