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RE: [PATCH] : For SH target, generate warning if Destination register is same for parallel insns
- From: "Arati Dikey" <AratiD at kpit dot com>
- To: "Nick Clifton" <nickc at cambridge dot redhat dot com>
- Cc: <binutils at sources dot redhat dot com>
- Date: Mon, 28 Jan 2002 11:41:41 +0530
- Subject: RE: [PATCH] : For SH target, generate warning if Destination register is same for parallel insns
Thanks Nick.
I will fill in the form and send it soon.
Meanwhile, while you were away, these two SH patches were posted
and are awaiting your approval.
http://sources.redhat.com/ml/binutils/2002-01/msg00342.html
http://sources.redhat.com/ml/binutils/2002-01/msg00341.html
Regards,
Arati.
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Free download of GNUSH tool chain for Hitachi's SH Series.
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Latest version of GNUSH is released on Jan 1, 2002.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-----Original Message-----
From: Nick Clifton [mailto:nickc@cambridge.redhat.com]
Sent: Friday, January 25, 2002 8:15 PM
To: Arati Dikey
Cc: binutils@sources.redhat.com
Subject: Re: [PATCH] : For SH target, generate warning if Destination
register is same for parallel insns
Hi Arati,
> The SH assembler currently does not generate a warning if the same
> destination register is used in parallel instructions. As this can
> lead to unexpected results, the user needs to be warned as is done
> in other commercial assemblers.
>
> For example,
> PADD X0,Y0,A0 PMULS A1,X0,A0
>
> The following patch generates the warning. I have also verified that
> it does not cause any side effect on other DSP instructions.
Thank you for submitting this patch. Unfortunately since this is a
non-trivial change we cannot consider accepting it without a copyright
assignment on file with the FSF. Please could you fill out the form
below and send it off, so that this process can be started.
Cheers
Nick
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