OPENCORES.ORG

.

Aha, i see. The document is outdated. there are l.sfxxi instructions
implemented. but you could also rewrite my example into:

	l.sfeqi r0,r0 <--- sets the flag (since r0 is always 0)

	l.ori	r1,r0,0x1
	l.sfeqi r0,r1 <--- clears the flag (since 0 != 1)

regards,
p.

* Satish (satish.kumar@n...) wrote:
> .
> 
> In of me there is a document which shows all instructions implemented by
> OR1200, in those instructions "sfeqi" is not there.
> ----- Original Message -----
> From: "Matjaz Breskvar" <phoenix@o...>
> To: "List about OpenRISC project" <openrisc@o...>
> Sent: Thursday, September 15, 2005 3:45 PM
> Subject: Re: [openrisc] HI
> 
> 
> > why do you think it's not supported bu or1200 ?
> >
> > * Satish (satish.kumar@n...) wrote:
> > > Thanks but this instruction is not supported by OR1200, yes it supports
> by
> > > OR1000. Do we have any other alternative for this.
> > >
> > > Regards
> > > satish
> > > ----- Original Message -----
> > > From: "Matjaz Breskvar" <phoenix@o...>
> > > To: "List about OpenRISC project" <openrisc@o...>
> > > Sent: Thursday, September 15, 2005 3:07 PM
> > > Subject: Re: [openrisc] HI
> > >
> > >
> > > > * Satish (satish.kumar@n...) wrote:
> > > > > hi,
> > > > >
> > > > > I have not seen any "Clear Flag" instruction on OR1200. How clear
> any
> > > flag
> > > > > which is set due to different operations.
> > > >
> > > > if you are refering to flag used for branching, than the same
> instruction
> > > > that sets it if condition is true will clear it if condition is not
> true
> > > >
> > > > l.sfeqi r0,0 <--- sets the flag (since r0 is always 0)
> > > >
> > > > l.sfeqi r0,1 <--- clears the flag (since 0 != 1)
> > > >
> > > > best regards,
> > > > p.
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