From: Brian Gerst <bgerst@didntduck.org>
To: Luciano Miguel Ferreira Rocha <luciano@lsd.di.uminho.pt>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Interrupt doesn't make it to the 8259 on a ASUS P4PE mobo
Date: Tue, 15 Jul 2003 14:24:41 -0400 [thread overview]
Message-ID: <3F1446E9.8040409@didntduck.org> (raw)
In-Reply-To: <20030715175909.GA17226@lsd.di.uminho.pt>
Luciano Miguel Ferreira Rocha wrote:
> On Tue, Jul 15, 2003 at 01:06:19PM -0400, Brian Gerst wrote:
>
>>Use HZ/2 instead. GCC doesn't optimize floating point constants to the
>>same degree it does integers, because it doesn't know what mode
>>(rounding, precision) the FPU is in.
>
>
> Isn't (HZ >> 1) better?
Same thing. GCC knows that division by a power of 2 is just a shift.
--
Brian Gerst
next prev parent reply other threads:[~2003-07-15 18:10 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <m3el0stw23.fsf@averell.firstfloor.org>
2003-07-15 16:14 ` Interrupt doesn't make it to the 8259 on a ASUS P4PE mobo Kathy Frazier
2003-07-15 15:31 ` Richard B. Johnson
2003-07-15 15:58 ` SCSI ATA driver in 2.4.22 ? Jeff Mock
2003-07-15 16:14 ` Jeff Garzik
2003-07-15 17:06 ` Interrupt doesn't make it to the 8259 on a ASUS P4PE mobo Brian Gerst
2003-07-15 17:43 ` Jamie Lokier
2003-07-15 17:59 ` Luciano Miguel Ferreira Rocha
2003-07-15 18:24 ` Brian Gerst [this message]
2003-07-15 18:44 ` Alan Cox
2003-07-15 19:44 ` Jamie Lokier
2003-07-20 21:04 ` Riley Williams
2003-07-20 22:25 ` Jeremy Fitzhardinge
[not found] <Pine.LNX.4.53.0307141833190.4354@chaos>
2003-07-15 16:52 ` Kathy Frazier
2003-07-14 21:35 Kathy Frazier
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