Re: Interrupt doesn't make it to the 8259 on a ASUS P4PE mobo

From: Brian Gerst (bgerst@didntduck.org)
Date: Tue Jul 15 2003 - 13:24:41 EST

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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

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