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Re: [Qemu-arm] ARM: SVE while issue


From: Laurent Desnogues
Subject: Re: [Qemu-arm] ARM: SVE while issue
Date: Wed, 1 Aug 2018 07:53:31 +0200

Hello,

On Tue, Jul 31, 2018 at 6:36 PM, Richard Henderson
<address@hidden> wrote:
> On 07/31/2018 09:52 AM, Laurent Desnogues wrote:
>> Hello Richard,
>>
>> according to SVE specification, whilels/whilele instructions have a
>> special case where if the second operand is the maximum (un)signed
>> integer then the result is an all-true predicate.  The current code in
>> trans_WHILE doesn't seem to capture that requirement.  I'm afraid the
>> fix won't be as trivial as for the other two bugs I reported :-)
>
> Still not too bad.
> Testing a fix for my branch now.

I gave it a look and tested it, it works fine!

Thanks,

Laurent

> Annoying that risu didn't randomly generate this case,
> and I totally mis-read the documentation for this.
>
>
> r~
>



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