Re: [microblaze-uclinux] uclinux on spartan-3e starter kit

["Antti Lukats" <lukats@xxxxxxxxx>]

----- Original Message ----- 
From: "John Williams" <jwilliams@xxxxxxxxxxxxxx>
To: <microblaze-uclinux@xxxxxxxxxxxxxx>
Sent: Thursday, August 24, 2006 11:34 AM
Subject: Re: [microblaze-uclinux] uclinux on spartan-3e starter kit


> Hi Antti,
>
> Antti Lukats wrote:
>
> > BTW your 1600 demo images make the use of pattern compare instruction,
> > does it come automatically when the patterncompare is enabled?
>
> pcmp instruction usage is determined at compile/build time, through the
> normal auto-config CPUFLAGS mechanisms (same as mult, div, msrset/clr,
> barrel shift).
>
> > eg if I take the MB uclinux from University of Queensland website, then
> > the uclinux autoconfig BSP and then compile, will the patterncompare
> > be utilized or not?
>
> Not quite sure what you mean here?
>
> Regards,
>
> John
you answered already. I just wasnt sure the pcmp use is fully supported by 
the
autoconfig flags, if it is, no further question.

the petalogix-1600 image is the first one I have found that uses the pattern
compare instruction, so I was curios if it is supported in the kernel build
directly or not.

Antti 

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